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WO2020029301A1 - Procédés de traitement de signaux, configuration de ressources de transmission et activation de signal et dispositifs associés - Google Patents

Procédés de traitement de signaux, configuration de ressources de transmission et activation de signal et dispositifs associés Download PDF

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Publication number
WO2020029301A1
WO2020029301A1 PCT/CN2018/100096 CN2018100096W WO2020029301A1 WO 2020029301 A1 WO2020029301 A1 WO 2020029301A1 CN 2018100096 W CN2018100096 W CN 2018100096W WO 2020029301 A1 WO2020029301 A1 WO 2020029301A1
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Prior art keywords
csi
information
resource
downlink control
control information
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English (en)
Chinese (zh)
Inventor
宋磊
张磊
陈哲
王昕�
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Fujitsu Ltd
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Fujitsu Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present invention relates to the field of communications, and in particular, to a signal processing method, a transmission resource configuration method, a signal trigger method, and a device thereof.
  • MIMO Multiple-Input Multiple-Output
  • multiple transmission points (TRP) / multi-antenna panels are a candidate technology for massive MIMO. Multiple transmission points or multiple antenna panels serve as the same terminal device. Simultaneous services increase the number of effective transmission paths in communication, thereby increasing the data rate. Due to different layout scenarios, backhaul links that interact between multiple transmission points can be divided into ideal and non-ideal types. When backhaul When it is ideal, the interaction delay between multiple transmission points can be considered to be less than 2ms or negligible.
  • the interaction delay between multiple transmission points may be much larger than 2ms, or even reach 50ms, so under the assumption of non-ideal backhaul, data or signaling interactions between multiple transmission points should be minimized to reduce the interaction delay and avoid system performance degradation.
  • NR systems need to support both ideal backhaul and non- Ideal backhaul.
  • the inventor has found that, for control signaling sent by multiple transmission points on some network equipment sides, if there is no interaction, the signals or channels configured or indicated by the network equipment side may conflict, and if the interaction occurs, it will cause delay Increase, which in turn affects system performance.
  • embodiments of the present invention provide a signal processing, transmission resource configuration, signal trigger method and device, and a communication system.
  • a signal processing apparatus is provided and applied to a terminal device, where the apparatus includes:
  • a processing unit configured to refer to a conflicting reference signal when multiple signals or channels configured or instructed on the network device conflict or when multiple signals or channels configured or instructed on the network device conflict and meet a predetermined condition The first processing is performed.
  • a transmission resource configuration apparatus which is applied to a network device, wherein the apparatus includes:
  • a first sending unit is configured to send resource configuration information used for aperiodic reference signal transmission to a terminal device, where the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • a signal triggering device is provided and applied to a network device side, where the device includes:
  • a second sending unit configured to send the first downlink control information for scheduling a downlink data channel to the terminal device, where the first downlink control information includes a trigger for sending aperiodic CSI reference signals and / or aperiodic CSI reporting Trigger information.
  • a signal processing method includes:
  • the terminal device When multiple signals or channels configured or indicated on the network device side conflict, or multiple signals or channels configured or indicated on the network device side conflict, and the predetermined conditions are met, the terminal device performs the first processing on the conflicting reference signal .
  • a transmission resource configuration method includes:
  • the network device sends resource configuration information used for aperiodic reference signal transmission to the terminal device, where the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • a signal triggering method is provided, wherein the method includes:
  • the network device sends the first downlink control information for scheduling the downlink data channel to the terminal device, and the first downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • a communication system which includes a network device, and the network device includes the transmission resource configuration device of the second aspect or the signal triggering device of the third aspect.
  • a communication system including a terminal device including the signal processing apparatus of the first aspect.
  • the embodiment of the present invention has the beneficial effects that it can solve the problem of signal or channel conflict in a multi-TRP / multi-panel operation scenario, or can reduce the signaling interaction delay.
  • FIG. 1A is a schematic diagram of a communication system in this embodiment
  • FIGS. 1B-1C are schematic diagrams of a conflict scenario in Embodiment 1;
  • Embodiment 2 is a flowchart of a signal processing method in Embodiment 1;
  • Embodiment 3 is a flowchart of a transmission resource configuration method in Embodiment 2;
  • 4A-4D are schematic diagrams of transmission resources configured in Embodiment 2;
  • Embodiment 9 is a flowchart of a resource indication method in Embodiment 5.
  • FIG. 11 is a flowchart of a signal triggering method in Embodiment 6;
  • FIG. 13 is a flowchart of a signal triggering method in Embodiment 8.
  • Embodiment 20 is a schematic structural diagram of a signal processing device in Embodiment 15;
  • FIG. 21 is a schematic structural diagram of a transmission resource configuration device in Embodiment 16.
  • Embodiment 23 is a schematic structural diagram of a resource indicating device in Embodiment 18.
  • FIG. 24 is a schematic structural diagram of a resource indicating device in Embodiment 19;
  • FIG. 25 is a schematic structural diagram of a signal triggering device in Embodiment 20;
  • FIG. 26 is a schematic structural diagram of a signal triggering device in Embodiment 21;
  • FIG. 27 is a schematic structural diagram of a signal triggering device in Embodiment 22;
  • FIG. 28 is a schematic structural diagram of a signal triggering device in Embodiment 23;
  • FIG. 28 is a schematic structural diagram of a signal triggering device in Embodiment 23;
  • FIG. 29 is a schematic structural diagram of a signal triggering device in Embodiment 24;
  • FIG. 30 is a schematic structural diagram of a signal triggering device in Embodiment 25;
  • FIG. 31 is a schematic structural diagram of a signal triggering device in Embodiment 26;
  • FIG. 35 is a schematic structural diagram of a terminal device in Embodiment 29.
  • first and second are used to distinguish different elements from each other by title, but they do not indicate the spatial arrangement or chronological order of these elements, and these elements should not be used by these terms. Restricted.
  • the term “and / or” includes any and all combinations of one or more of the associated listed terms.
  • the terms “comprising”, “including”, “having” and the like refer to the presence of stated features, elements, elements or components, but do not exclude the presence or addition of one or more other features, elements, elements or components.
  • the term "communication network” or “wireless communication network” may refer to a network that conforms to any of the following communication standards, such as 5G New Radio Access (5GNR, New Radio Access), Long Term Evolution (LTE, Long Term Evolution), Enhanced Long Term Evolution (LTE-A, LTE-Advanced), Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), High-Speed Packet Access (HSPA, High-Speed Packet Access) and many more.
  • 5G New Radio Access 5G New Radio Access
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • LTE-A LTE-Advanced
  • WCDMA Wideband Code Division Multiple Access
  • High-Speed Packet Access High-Speed Packet Access
  • HSPA High-Speed Packet Access
  • communication between devices in the communication system may be performed according to a communication protocol at any stage, for example, it may include, but is not limited to, the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G, and 5G , New Radio (NR, New Radio), etc., and / or other communication protocols currently known or to be developed in the future.
  • 1G generation
  • 2G 2.5G, 2.75G
  • 5G New Radio
  • NR, New Radio New Radio
  • Network device refers to, for example, a device in a communication system that connects a terminal device to a communication network and provides services to the terminal device.
  • Network devices may include, but are not limited to, the following devices: Base Station (BS, Base Station), Access Point (AP, Access Point), Transmission and Reception Point (TRP, Transmission Reception Point), Broadcast Transmitter, Mobile Management Entity (MME, Mobile Management entity), gateway, server, radio network controller (RNC, Radio Network Controller), base station controller (BSC, Base Station Controller), and so on.
  • the base station may include, but is not limited to, Node B (NodeB or NB), evolved Node B (eNodeB or eNB), 5G base station (gNB), and so on. In addition, it may also include a remote radio head (RRH, Remote Radio Head). , Remote radio unit (RRU, Remote Radio Unit), relay (relay) or low-power node (such as femto, pico, etc.). And the term “base station” may include some or all of their functions, and each base station may provide communication coverage for a particular geographic area.
  • the term "cell” may refer to a base station and / or its coverage area, and may be a macro cell or a small cell, depending on the context in which the term is used.
  • the term “User Equipment” (UE) or “Terminal Equipment” (TE) refers to, for example, a device that accesses a communication network through a network device and receives network services.
  • the terminal device may be fixed or mobile, and may also be called a mobile station (MS, Mobile Station), a terminal, a subscriber station (SS, Subscriber Station), an access terminal (AT, Access Terminal), a station, and so on.
  • the terminal device may include, but is not limited to, the following devices: Cellular Phone, Personal Digital Assistant (PDA, Personal Digital Assistant), wireless modem, wireless communication device, handheld device, machine-type communication device, laptop computer, Cordless phones, smartphones, smart watches, digital cameras, and more.
  • PDA Personal Digital Assistant
  • wireless modem wireless communication device
  • handheld device machine-type communication device
  • laptop computer machine-type communication device
  • Cordless phones smartphones, smart watches, digital cameras, and more.
  • the terminal device may also be a machine or device that performs monitoring or measurement.
  • the terminal device may include, but is not limited to, a Machine Type Communication (MTC) terminal, Vehicle communication terminals, device-to-device (D2D) terminals, machine-to-machine (M2M) terminals, and so on.
  • MTC Machine Type Communication
  • D2D device-to-device
  • M2M machine-to-machine
  • FIG. 1A is a schematic diagram of a communication system according to an embodiment of the present invention, and schematically illustrates a case where a user equipment and a network device are taken as an example. As shown in FIG. For simplicity, FIG. 1A only uses one terminal device and one network device as an example for description, but the embodiment of the present invention is not limited thereto.
  • an existing service or a service that can be implemented in the future can be performed between the network device 101 and the terminal device 102.
  • these services may include, but are not limited to: enhanced mobile broadband (eMBB), large-scale machine type communication (mMTC, Mass Machine Type Communication), and high-reliability low-latency communication (URLLC, Ultra-Reliable and Low) -Latency Communication) and so on.
  • eMBB enhanced mobile broadband
  • mMTC large-scale machine type communication
  • URLLC Ultra-Reliable and Low
  • the multi-TRP or multi-panel operation related mode may be configured through high-level signaling display, or may be implicitly configured, or may be a scheme involving multiple TRP transmissions.
  • multiple TRP or multiple panel operations are explicitly configured as one or more transmission schemes; some high-level parameters can also be configured to implicitly indicate that the terminal device can perform multiple TRP or multiple panel operations, such as The number of demodulation reference signal port groups (DMRS port groups), the number of phase tracking reference signal (PTRS) ports, and the number of simultaneously transmitted control channels (PDCCH) are used to implicitly indicate whether the terminal device performs multiple TRP or multiple Panel-related operations, for example, when the (maximum) number of DMRS ports or PTRS (maximum) ports or the (maximum) number of PDCCHs transmitted simultaneously is greater than a threshold (such as 1), the terminal device determines that it is a multi-TRP or multi-panel operation Otherwise, the terminal device determines that the operation is a single TRP or a single panel operation,
  • FIG. 2 is a flowchart of the signal processing method of the first embodiment, which is applied to the terminal device side. As shown in Figure 2, the method includes:
  • Step 201 When multiple signals or channels configured or indicated on the network device conflict, or when multiple signals or channels configured or indicated on the network device conflict, and the predetermined conditions are met, the terminal device executes the conflicting reference signal. First treatment.
  • the multiple signals or channel conflicts configured or indicated by the network device side include: the resources occupied by the signals or channels configured or indicated by the network device side through higher-level signaling and the signals or channels indicated by the downlink control information. Occupied resource conflicts; the high-level signaling and downlink control information can be sent by different transmission points (TRP) on the network device side, and the different transmission points can belong to the same cell or different cells.
  • TRP transmission points
  • FIG. 1B is a schematic diagram of the conflict scenario. As shown in FIG. 1B, TRP1 and TRP2 perform multi-TRP or multi-panel operation with terminal device UE1. Among them, TRP1 and TRP2 can belong to the same cell or different cells .
  • the conflict may include: a resource occupied by a high-level signaling configuration or indicated signal or channel sent by one transmission point (for example, TRP1) with a terminal device performing multiple TRP or multi-panel operations with another transmission point (for example, TRP2)
  • the resource occupied by the signal or channel indicated by the sent downlink control information conflicts; it may also be the resource occupied by the signal or channel indicated by the higher-level signaling configuration or indicated by other cells that do not communicate with the terminal device (such as cell 3).
  • the resource occupied by the signal or channel indicated by the downlink control information sent by the TRP or the cell (for example, TRP1 and TRP2) that performs data communication with the terminal device conflicts.
  • the multiple signal or channel conflicts configured or indicated on the network device side include: resource conflicts occupied by at least two signals or channels indicated by the downlink control information on the network device side; wherein the at least two The downlink control information is sent by different transmission points (TRP) on the network device side.
  • the different transmission points may belong to the same cell or different cells, which is not limited in this embodiment.
  • FIG. 1C is a schematic diagram of the conflict scenario. As shown in FIG. 1C, TRP1 and TRP2 perform multiple TRP or multi-panel operations with the terminal device UE1. Among them, TRP1 and TRP2 may belong to the same cell, or may belong to different cells. .
  • the conflict may include: a signal or channel occupied by a DCI indication signal transmitted by one transmission point (for example, TRP1) with a terminal device performing multiple TRP or multi-panel operations and a DCI indication transmitted by another transmission point (for example, TRP2)
  • TRP1 transmission point
  • TRP2 terminal device performing multiple TRP or multi-panel operations
  • TRP2 transmission point
  • TRP2 another transmission point
  • the signal or channel configured or indicated by higher layer signaling includes a non-zero power channel state information reference signal (NZPCSI-RS) for channel measurement, or NZPCSI-RS for interference measurement, or CSI-IM, or CSI-RS for RRM measurement or mobility measurement, or Synchronization Channel Block (SSB), or rate matching pattern or ZP CSI-RS configured for PDSCH resource mapping, this embodiment does not use this As a limitation.
  • NZPCSI-RS non-zero power channel state information reference signal
  • CSI-IM interference measurement
  • CSI-RS for RRM measurement or mobility measurement
  • SSB Synchronization Channel Block
  • NZP CSI-RS for channel measurement can be the following information elements (IE ) Configured: NZP-CSI-RS-ResourceSet, CSI-IM-ResourceSet, CSI-ReportConfig, CSI-AperiodicTriggerStateList, or other IEs associated with the above IEs, such as the IE called or configured by the above IEs, It can also be another IE that calls or configures the above IE.
  • IE information elements
  • the CSI-RS used for mobility measurement may be the CSI-RS-ResourceConfigMobility of the following IE by high-level signaling (RRC signaling), or other IE called or configured by the IE, or it may be called or configured by IE's other IE to configure.
  • RRC signaling high-level signaling
  • the SSB may be configured by high-level signaling SIB1, or other IEs called or configured by the IE, or other IE configurations called or configured by the IE.
  • the rate matching pattern configured for PDSCH resource mapping can be configured by the following IE of high-level signaling (RRC signaling): rateMatchPatternToAddModList, or other IE called or configured by the IE, or other IE called or configured by the IE. IE configuration.
  • the ZP CSI-RS configured for PDSCH resource mapping can be configured by the following IE of high-level signaling (RRC signaling): ZP-CSI-RS-ResourceSet, or other IE called or configured by the IE, or Call or configure other IE configuration of this IE.
  • RRC signaling high-level signaling
  • the resources occupied by the signals or channels indicated by the downlink control information include resources indicated by the zero power channel state information reference signal (ZPCSI-RS) trigger domain, or rate match indicator (rate match indicator) Or the NZP CSI-RS used for channel measurement or the NZP CSI-RS used for interference measurement or the CSI-IM used for interference measurement indicated by the channel state information request (CSI) request field.
  • ZPCSI-RS zero power channel state information reference signal
  • CSI-IM channel state information request
  • the ZP CSI-RS trigger field in the downlink control information can be used to indicate the trigger of the ZP CSI-RS.
  • the number of bit widths of the ZP CSI-RS trigger field is based on the ZPCSI-RS configuration of the higher layer.
  • the number of resource sets is determined, for example, it can be 0, 1 or 2 bits.
  • Each non-zero code point in the trigger domain is used to trigger an aperiodic ZP-CSI-RS resource set.
  • the network device side will send the CSI-RS with zero power, that is, it will not send any reference signals.
  • the resources occupied by the active ZP-CSI-RS resource set are used by other TRPs or cells to send measurement reference signals or other channels, such as NZP-CSI-RS for channel measurement, NZP-CSI-RS for interference measurement, CSI-IM for interference measurement, or CSI-RS, SSB, etc. for RRM measurement or mobility measurement.
  • Other channels include control channel resource set (CORESET), broadcast channel and so on.
  • the following describes an implementation manner of resource conflicts occupied by the signals or channels indicated by the at least two DCIs.
  • the conflict may be that the signals or channels actually transmitted on the resources indicated in the at least two DCIs partially overlap or completely overlap (the signals or channels actually transmitted may be the same as or different from the signals or channels indicated by the DCI) .
  • a ZP CSI-RS domain may be carried by at least two DCIs.
  • the conflict may be a ZP CSI-RS resource conflict indicated or activated by the at least two DCIs.
  • This conflict indicates that at least two DCIs are in the same time scheduling unit.
  • the unit of the time scheduling unit may be one of time slot, second, millisecond, microsecond, sub-frame, and symbol.
  • the indication or activation of the ZP-CSI-RS resource set is different. From the perspective of resources, Collision means that the resources occupied by at least two signals or channels indicated by DCI are different. For example, at least two signals or channels have different time-domain resources and / or frequency-domain resources and / or time-frequency resources. Not the same.
  • the ZP CSI-RS resources indicated or activated in the DCI may be used for transmission of other signals or channels, such as measurement reference signals, which may include NZP CSI-RS for channel measurement and NZP CSI-RS for interference measurement. , CSI-IM for interference measurement, or CSI-RS, SSB, etc. for RRM measurement or mobility measurement; ZP CSI-RS resources not indicated or activated in DCI may be used for PDSCH transmission ( In other words, the ZP CSI-RS resource indicated by the DCI is a resource to be avoided for PDSCH mapping, that is, the indicated resource cannot be used for PDSCH transmission).
  • At least two ZPs indicated by or activated by DCI CSI-RS resources are not the same, which may cause signals or channels transmitted on the resources of the indicated or activated ZP CSI-RS resources (such as the transmission of measurement reference signals and PDSCH) Resource conflict).
  • the resource conflict here means that the resources of at least two signals or channels are overlapped or partially overlapped, for example, there is overlap in time domain resources and / or there is overlap in frequency domain resources and / or both time and frequency resources overlap.
  • a rate match indicator (rate match indicator) field may be carried through downlink control information (for example, DCI format1_1), and the conflict may be a resource conflict indicated by the at least two rate match indicator fields indicated by the DCI.
  • the conflict indicates at least The resources indicated by the two DCI rate matching indication domains are different, the resources in the instant domain are different and / or the resources in the frequency domain are different and / or the time-frequency resources are different.
  • resources indicated by the rate matching field in DCI may be used for sending other signals or channels, such as measurement reference signals; resources not indicated by the rate matching field in DCI may be used for PDSCH transmission ( In other words, the resources indicated by the DCI rate matching field are the resources to be avoided for PDSCH mapping, that is, the resources indicated cannot be used for PDSCH transmission).
  • At least two rate matching domains indicated by the DCI are different, which may cause a signal or channel transmitted on the resource indicated by the rate matching domain to conflict (for example, a measurement reference signal conflicts with a PDSCH transmission resource).
  • the resource conflict here means that the resources of at least two signals or channels are overlapped or partially overlapped, for example, there is overlap in the time domain resources and / or there is overlap in the frequency domain resources and / or both time and frequency resources overlap.
  • the conflict may also be a resource indicated by a DCI rate matching indication field and another ZP CSI-RS resource set indicated by the DCI.
  • the conflict indicates at least two signals actually transmitted on the resources indicated by the DCI or
  • the channel resources are overlapping or partially overlapping, for example, there is overlap in time domain resources and / or there is overlap in frequency domain resources and / or there is overlap in time frequency resources.
  • the channel status information request (CSI) field in the DCI may be used to indicate the CSI-RS resources used for channel measurement.
  • the conflict may be that the CSI-RS resources used for channel measurement indicated by the at least two DCIs are overlapping. Or overlapping, for example, there is overlap in time domain resources and / or overlap in frequency domain resources and / or overlaps in time frequency resources.
  • the channel state information request (CSI) field in the DCI may be used to indicate the resources of the CSI-IM used for interference measurement.
  • the conflict may be whether the CSI-RS resources used for channel measurement indicated by the at least two DCIs are available. The same or not exactly the same.
  • the following describes an embodiment in which the resources occupied by the signal or channel indicated by the high-level signaling configuration or the signal conflict with the resources occupied by the signal or channel indicated by the DCI.
  • NZP CSI-RS for channel measurement or NZP CSI-RS for interference measurement, or CSI-IM, or CSI-RS for mobility measurement, or synchronization channel block SSB, or a rate matching pattern configured for PDSCH resource mapping or any of the resources occupied by the ZP CSI-RS, and the resource indicated by the ZP CSI-RS triggering domain indicated by DCI, or the resource indicated by the rate matching indication field,
  • any of the CSI-RS or CSI-IM resources indicated by the CSI request field conflicts with the occupied resources, and no further examples are given here.
  • the conflicting reference signal may be NZP CSI-RS for channel measurement indicated by DCI or high-level signaling configuration or indication, NZP CSI-IS for interference measurement, or CSI-IM, Or CSI-RS or SSB used for RRM measurement, or CSI-RS or SSB used for mobility measurement, or a reference signal sent on the resource indicated by the ZPCSI-RS triggering domain or rate matching indicator domain, no longer here
  • the transmission points for sending the DCI indication or higher layer signaling are different.
  • step 201 when the above-mentioned conflict occurs, or when the above-mentioned conflict occurs, and When a predetermined condition is satisfied, the terminal device performs a first process on a conflicting reference signal, which is different from a second process performed on the reference signal when multiple signals or channels configured or indicated on the network device side do not conflict.
  • the second process is measuring a reference signal or reporting a measurement result.
  • the terminal device does not expect to perform channel measurement or interference measurement on the reference signal.
  • the first processing includes canceling measurement processing on the conflicting reference signal and / or canceling measurement reporting processing of the reference signal; or, the reference signal is not used as a CSI-RS reference resource.
  • a CSI-RS reference resource is a resource used when generating a measurement report. If it is not used as a CSI-RS reference resource, it means that the CSI-RS will not be used for measurement reporting.
  • the predetermined condition is that resources occupied by the reference signal conflict with resources occupied by other signals or channels of the terminal device (resources occupied by other signals or channels include other physical signals or channels except PDSCH). ), Or the resource occupied by the reference signal conflicts with the resource occupied by the physical downlink shared channel (PDSCH) of the terminal device, or the resource occupied by the reference signal conflicts with the resource occupied by the PDSCH of the terminal device, and the The PDSCH has not been successfully decoded or the transport block or code block or code block group in which the PDSCH is located has not been successfully decoded.
  • the resource occupied by the reference signal is equivalent to the resource occupied by the aforementioned signal configured or indicated by the high-level signaling on the network device side or the resource occupied by the signal indicated by the downlink control information.
  • the above-mentioned conflict occurs in a time scheduling unit, and the unit of the time scheduling unit may be one of time slot, second, millisecond, microsecond, subframe, and symbol, but this embodiment does not use This is a limitation.
  • each network device on the network device side supports independent scheduling, that is, the number of downlink control channels (or DCI) for scheduling PDSCH simultaneously is greater than one.
  • the network device may also configure or indicate signals or channels through high-level signaling. The specific signals or channels for configuration or instructions are as described above, and are not repeated here.
  • the method may further include: (not shown) the terminal device receives multiple signals or channels configured or indicated on the network device side, for example, the terminal device receives high-level signaling or downlink control information.
  • the signaling or downlink control information configuration or indication signal or channel related information is as described above, and is not repeated here.
  • the terminal device's understanding of PDSCH mapping is described below.
  • the PDSCH mapping and DCI signaling transmission of multiple TRPs or cells may be performed independently.
  • the ZP CSI-RS triggering domain or rate matching indication domain in one DCI is not applicable to PDSCH scheduled by another DCI.
  • DCI 1 indicates the ZP CSI-RS resource set k (k is the index of the active ZPCSI-RS resource set, index) as the active state. Therefore, the PDSCH scheduled by DCI 1 avoids the ZP CSI-RS resource during mapping. REs occupied by set.
  • DCI 1 and DCI 2 are independently scheduled by multiple TRPs or cells, the TRP or cell sending DCI 2 does not know the resources indicated by DCI 1; therefore, the PDSCH scheduled by DCI 2 does not avoid ZP CSI-RS The REs occupied by the resource set. If the terminal device still assumes that the PDSCH is to avoid the REs occupied by the active ZP-CSI-RS resource set during mapping, it will cause PDSCH to lack information on some REs during demodulation, which will cause demodulation errors.
  • the terminal device when the number of PDCCHs (or DCIs) that schedule the PDSCH at the same time is greater than 1, the terminal device ’s understanding of the PDSCH mapping is different from other situations. Or a case where the number of PDCCHs (or DCIs) that schedules the PDSCH at the same time is 1 in a multi-TRP or multi-panel operation.
  • the terminal device considers that the resources indicated by the ZP CSI-RS trigger field or rate matching indication field in the DCI (for example, the REs where the active ZP CSI-RS resource set is located) are not available for the PDSCH scheduled by the same DCI, It is available for the terminal device to receive PDSCH scheduled by other DCI in the same time unit (such as a slot).
  • the terminal device considers that the resources indicated in the ZP CSI-RS trigger field or the rate matching indicator field in the DCI are not available for the PDSCH scheduled by the DCI.
  • the above-mentioned signal processing method in Embodiment 1 can resolve the above-mentioned conflict problem when a conflict occurs, and avoid the impact of the conflict on the measurement / reporting results.
  • the network device The time domain resources are not limited, that is, the network device side can schedule the transmission of aperiodic reference signals into any time unit. When multiple network devices perform independent scheduling, the transmission of each scheduled aperiodic reference signal cannot be avoided. Resource conflicts. Therefore, a transmission resource allocation method is also provided in Embodiment 2 to limit the resources used for aperiodic reference signal transmission to a predetermined range. This method can avoid the occurrence of the above conflicts.
  • FIG. 3 is a flowchart of a transmission resource configuration method according to Embodiment 2 and is applied to a network device side. As shown in Figure 3, the method includes:
  • Step 301 The network device sends resource configuration information used for the transmission of the aperiodic reference signal to the terminal device, where the resource configuration information includes a period and / or a time domain offset of the aperiodic reference signal transmission.
  • the aperiodic reference signal includes NZP CSI-RS for channel measurement, or NZP CSI-RS for interference measurement, or CSI-IM, or ZP CSI-RS, or phase tracking CSI-RS or TRS (tracking RS), or CSI-RS used for RRM measurement, or CSI-RS used for mobility, etc. are not limited in this embodiment.
  • the transmission resources defined by the transmission period and / or time domain offset of the aperiodic reference signal are hereinafter referred to as the transmission opportunity of the aperiodic reference signal, and the transmission opportunity indicates that the aperiodic reference signal can be transmitted at the Transmission on transmission opportunities, but does not mean that all transmission opportunities have actually transmitted aperiodic reference signals, that is, the limited transmission resources are resources that may be used in aperiodic reference signal transmission, and not all transmission resources are available. Transmission of aperiodic reference signals (transmission of aperiodic reference signals is still aperiodic).
  • the network device can configure the resource configuration information through high-level signaling (RRC signaling).
  • RRC signaling high-level signaling
  • it can also use media access control (MAC) control elements (CE) and / or physical downlink control.
  • the channel / information (PDCCH / DCI) further activates or indicates resource configuration information.
  • MAC-CE signaling is used to activate multiple aperiodic reference signals configured by high-level signaling and their resource configuration information, and the high-level signaling configuration will be activated / validated only after MAC-CE signaling becomes effective. It is also possible to use PDCCH / DCI to trigger the transmission of aperiodic reference signals.
  • the network device After receiving a PDCCH / DCI containing a trigger command, the network device will only use the aperiodic configured by high-level signaling and / or the MAC-CE signaling activated aperiodic. Reference signal resource configuration information to actually send aperiodic reference signals.
  • the resource configuration information can be added to one or more of the following high-level signaling IEs, that is, the period and / or time domain offset of the aperiodic reference signal: CSI-AperiodicTriggerStateList, CSI-ReportConfig, CSI-ResourceConfig, NZP-CSI-RS-ResourceSet, NZP-CSI-RS-Resource, etc.
  • time domain resource configuration information in the IE called or configured by the above IE, or in the IE calling or configuring the above IE; you can also specify the existing period and / or time domain offset to configure the related IE, such as
  • the configurations of periodicityAndOffset, CSI-ResourcePeriodicityAndOffset, etc. are also applicable to aperiodic reference signals.
  • the above examples are not limited to NZP CSI-RS, and are also applicable to the configuration of the period and / or time domain offset of other aperiodic reference signals.
  • the same period and different time-domain offsets are configured for the terminal device, or different periods and different time-domain offsets are configured for the terminal, which may occur in a certain time unit (for example, Time slot), and multiple NZP CSI-RS transmission opportunities appear at the same time (this situation will occur in the configuration manner of Figure 4B or 4C described later).
  • the resource allocation information It may also include: time-frequency domain resource element (RE) location information, the period and / or time-domain offset, and the location information may be sent together or separately, which is not used in this embodiment.
  • the method may further include: (not shown)
  • the network device sends validation instruction information to the terminal device, and the validation instruction information is used to indicate whether the resource configuration information is valid, for example, whether the configuration of the NZP CSI-RS transmission opportunity is valid. It can explicitly add IE to indicate whether the resource configuration information is effective, or it can implicitly indicate the effective instruction information, for example, if the resource configuration information (period and / or time domain offset) is configured, it can be implicitly indicated. The configuration takes effect, otherwise it will not take effect.
  • NZP CSI-RS when multiple TRPs or cells are configured with NZP CSI-RS transmission opportunities for channel measurement, different TRPs or cells can be configured with different transmission periods and / or Time domain offset, for example, configure the same transmission cycle and different time domain offsets, or configure different transmission cycles and the same time domain offset, or configure different transmission cycles and different time domain offsets the amount.
  • the time domain offset can also be a time domain offset set, that is, the set contains multiple time domain offset values.
  • FIG. 4A-4D are schematic diagrams of aperiodic reference signal transmission opportunities at two transmission points. As shown in FIG. 4A, the same period is configured for the aperiodic NZP CSI-RS transmission opportunity of TRP1 and the aperiodic NZP CSI-RS transmission opportunity of TRP2. And different time domain offsets to avoid aperiodic NZP CSI-RS transmission opportunities for TRP1 and aperiodic NZP CSI-RS transmission opportunities conflict for TRP2 (the collision indicates overlap); in addition, as shown in FIG.
  • TRP1's Aperiodic NZP CSI-RS transmission resources and TRP2 aperiodic NZP transmission resources are configured with different transmission periods and the same time domain offset to avoid aperiodic NZP CSI-RS transmission resources of TRP1 and aperiodic NZP of TRP2 CSI-RS transmission resource conflict.
  • the aperiodic NZP CSI-RS transmission opportunity of TRP1 and the aperiodic NZP CSI-RS transmission opportunity of TRP2 are configured with different transmission periods and different time domain offsets to avoid aperiodic TRP1
  • the NZP CSI-RS transmission opportunity conflicts with the aperiodic NZP CSI-RS transmission opportunity of TRP2.
  • FIG. 4D schematically illustrates the time domain offset set configuration.
  • the acyclic NZP CSI-RS transmission opportunity for TRP1 and the acyclic NZPCSI-RS transmission opportunity for TRP2 are configured with the same transmission period and different Time domain offset to avoid conflicts between the aperiodic NZPCSI-RS transmission opportunities for TRP1 and the aperiodic NZP CSI-RS transmission opportunities for TRP2.
  • different TRPs can be configured with different transmission periods and the same time domain offset set, and different TRPs can be configured with different transmission periods and different time domain offset sets. In this implementation, In the example, it is no longer shown in the form of a legend.
  • the configuration of the transmission period and time domain offset is based on the following time units, for example, time slots, seconds, milliseconds, microseconds, subframes, symbols, etc.
  • the time slot is taken as an example, which is not limited in this embodiment.
  • Figures 4A-4D only schematically show the period and time domain offset (set) configuration of multiple aperiodic NZP CSI-RSs, and do not number the absolute time of time domain resources (such as slots). Limitation.
  • TRP or cell is associated with the configuration of an NZP CSI-RS, so it is only necessary to configure the NZP CSI according to the high-level signaling configuration and subsequent DCI signaling pairs.
  • -RS can perform the receiving operation.
  • FIG. 5 is a schematic diagram of the configured aperiodic reference signal transmission opportunity. As shown in Figure 5, the position of the CSI-IM transmission opportunity in the time domain is the same (the same time-domain offset Shift and period), in addition, multiple CSI-IMs can also be configured with the same time-frequency domain resource element (RE) location, for example, through high-level signaling CSI-RS-ResourceMapping.
  • RE resource element
  • the time-frequency domain resources of the CSI-IMs configured by multiple TRPs or cells are the same.
  • the method of configuring whether the configuration of the period and / or time-domain offset (set) of the CSI-IM is effective is the same as the NZP CSI-RS used for channel measurement.
  • the aperiodic reference signal is a reference signal other than NZP CSI-RS for channel measurement and CSI-IM for interference measurement
  • the reference signal is NZP CSI-RS for interference measurement, or ZP CSI-RS , Or CSI-RS or TRS (tracking RS) for phase tracking, CSI-RS for RRM measurement, or CSI-RS for mobility, etc.
  • the method of configuring resource configuration information and the method for channel measurement NZPCSI-RS and CSI-IM are consistent.
  • the optional value of the REs position can be included by the scheduler (one or more TRPs). Or one or more cells).
  • the period and / or time offset (set) can optionally include the specific value of the REs position or the coordination result of multiple TRPs or cells, such as the same or different periods , The same or different time offsets (sets), REs at the same or different positions, etc., this embodiment does not limit these specific implementations.
  • the resources of all the transmission opportunities of the aperiodic reference signals are avoided, even if there are no reference signals actually transmitted on some transmission opportunities. Therefore, the PDSCH and the aperiodic reference signals can be avoided. Resource collision.
  • the method further includes: (not shown)
  • the network device sends an aperiodic triggering offset (aperiodicTriggeringOffset) configured for the aperiodic reference signal to the terminal device.
  • the trigger offset can be sent through high-level signaling.
  • the trigger offset is also in the following time units, for example: , Time slot, second, millisecond, microsecond, sub-frame, symbol, etc .; this offset is called X, for example, its value is 0 to 4 time units (for example, slots), which means that the network device side is passing
  • X for example, its value is 0 to 4 time units (for example, slots), which means that the network device side is passing
  • the sending and receiving of aperiodic reference signals of the network device and the terminal device need to be further explained. Assuming that the time when the network device sends DCI signaling is n, the time when the network device actually sends the aperiodic reference signal can be specified as:
  • the network device avoids the occurrence of multiple signal or channel conflicts configured or indicated by the network device by configuring the period and / or time domain offset of the aperiodic CSI-RS transmission resource.
  • FIG. 6 is a flowchart of the method. As shown in FIG. 6, the method includes:
  • Step 601 The terminal device receives resource configuration information used by the network device for transmitting aperiodic reference signal transmission, and the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • Embodiment 2 for a specific configuration and implementation manner of the resource configuration information, refer to Embodiment 2.
  • Embodiment 2 For a specific implementation manner of the aperiodic reference signal, refer to Embodiment 2, and details are not described herein again.
  • This step 601 corresponds to Embodiment 2. Step 301.
  • the resource configuration information may further include time-frequency domain resource particle position information.
  • time-frequency domain resource particle position information For a specific implementation manner, refer to Embodiment 2.
  • the method may further include (not shown):
  • the terminal device receives the validity instruction information sent by the network device.
  • the validity instruction information For a specific implementation manner of the validity instruction information, refer to Embodiment 2.
  • the method may further include (not shown):
  • the terminal device receives the aperiodic trigger offset sent by the network device.
  • the trigger offset refer to Embodiment 2.
  • the time at which the network device sends DCI signaling is n, and the terminal device side sends the DC device signaling to the network device side.
  • the moment when the aperiodic reference signal is actually sent can be understood as:
  • the network device avoids the occurrence of multiple signal or channel conflicts configured or indicated by the network device by configuring the period and / or time domain offset of the aperiodic CSI-RS transmission resource.
  • the signal processing method in the foregoing embodiment 1 can avoid the impact of the conflict on the measurement / reporting results when a conflict occurs.
  • This embodiment 4 also provides a resource indication method, which indicates related resources after negotiation through multiple transmission points. This can avoid conflicts.
  • FIG. 7 is a flowchart of the resource indication method in Embodiment 4 and is applied to a network device side. As shown in FIG. 7, the method includes:
  • Step 701 The network device sends at least two pieces of downlink control information to the terminal device, where the resources indicated in the at least two pieces of downlink control information are the same.
  • the at least two downlink control information are sent by different transmission points on the network device side, and the different transmission points may belong to the same cell or different cells.
  • the at least two pieces of downlink control information may be sent by the network device side at the same time scheduling unit, and the units of the time scheduling unit may be time slots, seconds, milliseconds, microseconds, subframes, and symbols. One of them.
  • it may be a resource indicated by the same information field in the downlink control information, or a resource indicated by a different information field in the downlink control information.
  • the information field may be a trigger field for aperiodic CSI-RS transmission and / or aperiodic CSI reporting (for example, a CSI request field in the current protocol), a ZP CSI-RS trigger field, or a rate matching indication ( rate match index) domain, etc.
  • the resources indicated by the information domain may be the resources indicated by the zero-power CSI-RS triggering domain, or the resources indicated by the rate matching indication domain, or the CSI-RS or CSI-IM resources indicated by the CSI request domain.
  • the ZP CSI-RS resources set indicated by the zero-power CSI-RS triggering domain included in the at least two DCIs are the same, or the resources indicated by the rate matching indication domains included in the at least two DCIs are the same, or at least two DCIs
  • the CSI-RS or CSI-IM resources indicated by the CSI request field contained in the CSI request field are the same.
  • the resources indicated by the at least two DCIs are the same, for example, the resources indicated by the zero-power CSI-RS triggering domain or the rate matching field in the at least two DCIs are the same, it means that the at least two DCIs indicated to avoid The resources mapped by the PDSCH are the same, and the same resources are not used to map the PDSCH. Therefore, the resources indicated by the at least two DCI zero-power CSI-RS domains or the resources indicated by the rate matching domain can be avoided from scheduling with the at least two DCIs.
  • the resource conflicts of the PDSCH can also prevent the resources indicated by the at least two DCI zero-power CSI-RS domains or the resources indicated by the rate matching domain from conflicting with other signals or channels, which may be the network equipment side through higher layer signaling
  • the signals or channels may be signals or channels configured or indicated by high-level signaling on the network device side, or Other control information through the downlink channel or a signal indicating, please refer to the specific embodiment 1, embodiment is not repeated here.
  • FIG. 8 is a flowchart of the resource indication method in Embodiment 4 and is applied to a network device side. As shown in FIG. 8, the method includes:
  • Step 802 The network device side sends at least two downlink control information to the terminal device side, where one downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information, and other downlink The control information does not include the one or more information fields used to indicate reference signal transmission and / or PDSCH resource mapping related information;
  • the information field may be a CSI request field, a ZP CSI-RS trigger field, a rate matching indication field, etc., and details are not described herein again.
  • the at least two pieces of downlink control information may be sent by the network device side at the same time scheduling unit, and the units of the time scheduling unit may be time slots, seconds, milliseconds, microseconds, subframes, and symbols. One of them.
  • the resource may be a resource indicated by a zero-power CSI-RS trigger domain, or a resource indicated by a rate matching indicator domain, or a CSI-RS or CSI-IM resource indicated by a CSI request domain.
  • one of the at least two DCI downlink control information includes the above-mentioned zero-power CSI-RS trigger domain, and the other downlink control information does not include the zero-power CSI-RS trigger domain.
  • one of the at least two DCIs includes downlink control information including an upper rate matching indication field, and other downlink control information does not include a rate matching indicating field; or one of the at least two DCIs includes downlink control information including a CSI request field, The CSI request field is not included in other downlink control information.
  • the at least two downlink control information are sent by different transmission points on the network device side, and the different transmission points may belong to the same cell or different cells.
  • the one downlink control information is DCI sent by one cell, and may also be one-level DCI in multi-level DCI.
  • the multi-level DCI may be multi-level, multi-stage, two-level , Two-stage, dual-level, one-level DCI in dual-stage.
  • the network device side indicates the above resources by only one DCI, and the other DCIs do not indicate the above resources, there will be no problem of resource conflicts.
  • FIG. 9 is a flowchart of the resource indication method in Embodiment 5 and is applied to a terminal device side.
  • FIG. 7 in Embodiment 4 as shown in FIG. Methods include:
  • Step 901 The terminal device receives at least two downlink control information sent by the network device side, where the resources indicated in the at least two downlink control information are the same; or, the terminal device receives at least two downlink control information sent by the network device side. , The terminal device does not expect that the resources indicated in the at least two downlink control information are different.
  • This step 901 corresponds to step 701.
  • the terminal device receives the information sent by the network device side. At least two pieces of downlink control information, where the resources indicated in the at least two pieces of downlink control information are the same, which indicates that the terminal device does not expect the resources indicated in the at least two pieces of downlink control information to be different.
  • FIG. 10 is a flowchart of the resource indication method in Embodiment 5 and is applied to a terminal device side.
  • FIG. 8 in Embodiment 4 as shown in FIG. Methods include:
  • Step 1001 The terminal device receives at least two pieces of downlink control information sent by the network device side. At most one of the downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information. The control information does not include the information field indicating the reference signal transmission and / or PDSCH resource mapping related information; or when the terminal device receives at least two downlink control information sent by the network device side, the terminal device expects at most one downlink The control information includes one or more information fields indicating information related to reference signal transmission and / or PDSCH resource mapping;
  • This step 1001 corresponds to step 801.
  • the terminal device receives the At least two pieces of downlink control information, wherein at most one piece of downlink control information includes an information field indicating information related to reference signal transmission and / or PDSCH resource mapping, and other downlink control information does not include information indicating reference signal transmission and / or PDSCH resource mapping related
  • the information information field indicates that the terminal device expects that at most one downlink control information includes an information field indicating reference signal transmission and / or PDSCH resource mapping related information, and other downlink control information does not include an indication reference signal transmission and / or PDSCH resource mapping.
  • the information field of the related information that is, the terminal device does not expect that at least two downlink control information include a zero-power CSI-RS trigger field, a rate matching indication field, or a CSI request field.
  • the network device side indicates the above resources by only one DCI, and the other DCIs do not indicate the above resources, there will be no problem of resource conflicts.
  • the above-mentioned embodiments 1 to 5 propose methods for avoiding conflicts, and avoiding the impact of conflicts on measurement / reporting results.
  • the CSI request field is located in the DCI format 0_1, that is, the DCI scheduling the uplink data channel (PUSCH), and is used to trigger the transmission of aperiodic CSI-RS and the reporting of aperiodic CSI.
  • the system delay will be relatively small.
  • the channel state information of multiple TRPs or cells is also not expected to be obtained through interaction, so there is a certain demand for the delay of CSI reporting. If signaling interaction is involved in the CSI reporting process, the maximum interaction delay can reach 50ms, which seriously affects system performance. Therefore, in a multi-TRP or multi-panel scenario, it is expected that the acquisition of channel state information will not introduce excessive delay.
  • the interaction delay is not a problem, because the CSI-RS transmission or CSI reporting in this case is configured through high-level signaling, which is a long-term decision And in a period of time according to the high-level configuration parameters (such as the period value, time offset, etc.), so multiple TRP or cell can have enough time to perform configuration interaction.
  • the network device usually triggers (by the CSI request field in DCI) transmission to the actual CSI-RS transmission by sending signaling (only a few timeslots ( slot), for example, according to the current protocol, the time interval can be from 0 to 4 slots.
  • signaling only a few timeslots ( slot)
  • the time interval can be from 0 to 4 slots.
  • the interaction delay of up to 50ms will seriously affect the acquisition of channel state information in multi-TRP or multi-panel scenarios. Therefore, in order to avoid the delay in acquiring the channel state information in this scenario, the following embodiments 6-13 also provide a signal trigger method.
  • This embodiment 6 also provides a signal triggering method.
  • at least two TRPs or cells can send downlink control information including aperiodic CSI-RS transmission and / or aperiodic CSI reporting trigger information.
  • FIG. 11 is a flowchart of a signal triggering method of this embodiment, which is applied to a network device side. As shown in FIG. 11, the method includes:
  • Step 1101 The network device side sends the first downlink control information for scheduling the downlink data channel to the terminal device, where the first downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • the DCI (for example, DCI format 1_0 or DCI format 1_1) that schedules the PDSCH is used to carry triggering information for aperiodic CSI reference signal transmission and / or aperiodic CSI reporting.
  • the number of PDCCHs (or DCIs) scheduling PUSCH at the same time is 1, but the number of PDCCHs (or DCIs) scheduling PDSCH at the same time can be greater than 1.
  • the network device side can schedule a unit at a time (the time
  • the unit of the scheduling unit may be one of a time slot, a second, a millisecond, a microsecond, a subframe, and a symbol.)
  • At least one first downlink control information for scheduling a downlink data channel is sent to the terminal device.
  • the first downlink The control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • the at least two first downlink control information are sent by different TRPs or cells. Sent. Therefore, multiple TRPs or cells can independently make decisions on aperiodic CSI-RS transmission or aperiodic CSI reporting, reducing the delay caused by coordinated interaction between multiple TRPs or cells.
  • the trigger information sent by the aperiodic CSI-RS and / or reported by the aperiodic CSI may be a predetermined number of bits N TS (which may be N TS configured by a higher layer), and may be based on N TS This bit indicates different trigger states.
  • N TS which may be N TS configured by a higher layer
  • the indication of the CSI report resource and the trigger information of the aperiodic CSI-RS transmission and / or the aperiodic CSI report are placed in the same downlink control information and transmitted.
  • the delay of the aperiodic CSI report (for example, the time interval from the decision of the network device to the last reception of the CSI report result) is compared to the delay of the aperiodic CSI-RS transmission (for example, from the time the network device makes a decision to The actual time interval of CSI-RS transmission is larger). Therefore, the resources used for aperiodic CSI reporting can be sent separately from the trigger information without sending in the same DCI.
  • the method may further include: (optional, not shown) the network device side sends the second downlink control information (for example, the PUSCH) to the terminal device (for example, DCI format 0_0 or DCI format 0_1), the second downlink control information includes resource information reported by aperiodic CSI.
  • the network device side sends the second downlink control information (for example, the PUSCH) to the terminal device (for example, DCI format 0_0 or DCI format 0_1), the second downlink control information includes resource information reported by aperiodic CSI.
  • the first downlink control information may further include resource information reported by the aperiodic CSI.
  • the resource information reported by the aperiodic CSI may also be carried by uplink control information (PUCCH), and the first downlink control information includes the uplink control information resource indication information (for example, the PUCCH resource indicator field). Directly acquiring the CSI report resource information according to the first downlink control information.
  • the resource information reported by the CSI may include time-frequency domain resource allocation of the PUSCH, frequency-domain frequency hopping indication, coding and modulation scheme, new data indication, redundancy version, and transmission power control of the PUSCH (transmit power control, (TPC) command, sounding reference signal indicator (sounding reference signal resource indicator), precoding information and number of layers, antenna port and other information fields.
  • TPC transmission power control,
  • the trigger information is included in the first downlink control information for scheduling a downlink data channel.
  • the trigger information may also be indicated by the second downlink control information instead of the trigger information by the first downlink control information.
  • the first downlink control information and the second downlink control information are carried by the PDCCH and may be sent by the same TRP or cell or different TRPs or cells on the network device side.
  • This embodiment is not used as a limitation. Reference can be made to the prior art.
  • the method may further include: (not shown) the network device receives the aperiodic CSI reported by the terminal device, or sends an aperiodic reference signal to the terminal device.
  • triggering information of aperiodic CSI reference signal transmission and / or aperiodic CSI reporting is triggered in the DCI scheduling downlink data channel. Therefore, multiple TRPs or cells can independently detect aperiodic CSI-RS. Transmission or aperiodic CSI reporting to make decisions, reducing the delay caused by coordination and interaction between multiple TRPs or cells.
  • FIG. 12 is a flowchart of the method. As shown in FIG. 12, the method includes:
  • Step 1201 The terminal device receives first downlink control information for scheduling a downlink data channel sent by the network device side, and the first downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI. .
  • step 1201 corresponds to step 1101, and details are not described herein again.
  • the method may further include: (optional, not shown) the terminal device receives second downlink control information (for example, DCI format 0_1) sent by the network device side for scheduling an uplink data channel (PUSCH),
  • the second downlink control information includes resource information reported by aperiodic CSI.
  • the first downlink control information may further include resource information reported by the aperiodic CSI.
  • the resource information reported by the aperiodic CSI may also be carried by uplink control information, and the first downlink control information includes the uplink control information resource indication information, and thus may be directly obtained according to the first downlink control information.
  • the CSI reports resource information.
  • the method may further include: (not shown), the terminal device performs non-periodic CSI reference signal reception and / or non-periodic CSI reporting.
  • the trigger information is included in the first downlink control information for scheduling a downlink data channel.
  • the trigger information may also be indicated by the second downlink control information, rather than the trigger information by the first downlink control information.
  • step 1201 is equivalent to that the terminal equipment side can receive at least one first downlink control information for scheduling a downlink data channel sent by the network equipment side within a time scheduling unit, where the first downlink control information includes triggering of sending of aperiodic CSI reference signal And / or trigger information reported by aperiodic CSI, when at least two first downlink control information are sent, the at least two first downlink control information are sent by different TRPs or cells. Therefore, multiple TRPs or cells can independently make decisions on aperiodic CSI-RS transmission or aperiodic CSI reporting, reducing the delay caused by coordinated interaction between multiple TRPs or cells.
  • This embodiment 8 also provides a signal triggering method.
  • downlink control information including a CSI request domain can be sent by at least two TRPs or cells.
  • FIG. 13 is a flowchart of a signal triggering method of this embodiment, which is applied to a network device side. As shown in FIG. 13, the method includes:
  • Step 1301 The network device side sends at least two downlink control information for scheduling an uplink data channel to the terminal device in a time scheduling unit.
  • the downlink control information includes triggering the sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI. Trigger information.
  • the trigger information may be equivalent to the aforementioned CSI request field.
  • the specific implementation manner is as described above, which is not repeated here.
  • the at least two downlink control information are sent by different TRPs or cells.
  • the at least two downlink control information for scheduling an uplink data channel may further include resource allocation information of resources used for aperiodic CSI reporting, for example, the resource allocation information may be jointly indicated with resources used for uplink data transmission. .
  • the method may further include: (not shown) the network device receives the aperiodic CSI reported by the terminal device, or sends an aperiodic reference signal to the terminal device.
  • the unit of the time scheduling unit may be one of time slot, second, millisecond, microsecond, subframe, and symbol.
  • the network device may set a maximum DCI value of the scheduling PUSCH that the terminal device can detect in a time scheduling unit. For example, if it is set to a predetermined number, a corresponding maximum value may be set for each carrier. Value, or set a maximum value for each BWP, which is not limited in this embodiment.
  • the method may further include: (not shown), the network device sends setting information to the terminal device, where the setting information includes: a maximum DCI value of the scheduling PUSCH that the terminal device can detect in a time scheduling unit.
  • the setting information may be set for a carrier or set for a BWP.
  • Embodiment 7 The difference between this embodiment and Embodiment 6 is that the DCI carrying the CSI request domain (trigger information) is different.
  • Embodiment 7 it is carried by the DCI scheduling PDSCH (for example, DCI format 1_0 or 1_1)
  • DCI scheduling the PUSCH for example, DCI format 0_0 or 0_1).
  • This embodiment is similar to Embodiment 6 in that, in one time scheduling unit, more than one PDCCH is used to simultaneously schedule a data channel (including an uplink data channel or a downlink data channel).
  • multiple TRPs or cells can independently respond to aperiodic CSI-RS. Transmission or aperiodic CSI reporting to make decisions, reducing the delay caused by coordination and interaction between multiple TRPs or cells.
  • FIG. 14 is a flowchart of the method. As shown in FIG. 14, the method includes:
  • Step 1401 The terminal device side receives at least two downlink control information for scheduling an uplink data channel sent by the network device side in a time scheduling unit, and the downlink control information includes triggering sending of aperiodic CSI reference signals and / or aperiodic CSI. Reported trigger information.
  • the trigger information may be equivalent to the aforementioned CSI request field.
  • the specific implementation manner is as described above, and is not repeated here.
  • the at least two downlink control information are sent by different TRPs or cells.
  • Step 1401 The implementation manner corresponds to step 1301, and details are not described herein again.
  • the unit of the time scheduling unit may be one of time slot, second, millisecond, microsecond, subframe, and symbol.
  • the method may further include: (not shown) the terminal device receives and / or reports aperiodic CSI reference signals.
  • the downlink control information received by the terminal device on a carrier or a partial bandwidth BWP in the one time scheduling unit for scheduling an uplink channel does not exceed a predetermined number. That is, the maximum value of the DCI of the scheduling PUSCH that the terminal device can detect in a time scheduling unit is set. For example, it is set to a predetermined number, and a corresponding maximum value can be set for each carrier, or one for each BWP. The maximum value is not limited in this embodiment.
  • the setting may be predefined or pre-configured by a network device. Therefore, the method may further include: (not shown)
  • the terminal device receives setting information sent by the network device, and the setting information includes: the maximum value of the DCI of the scheduling PUSCH that the terminal device can detect in a time scheduling unit.
  • the setting information may be set for a carrier or set for a BWP.
  • the terminal device in one time scheduling unit, can receive more than one DCI scheduling PUSCH. Therefore, as in the prior art, in one time scheduling unit, the number of PDCCH (DCI) used to schedule PUSCH Compared with only one solution, through the method in this embodiment, multiple TRPs or cells can independently make decisions on the transmission of aperiodic CSI-RS or the reporting of aperiodic CSI, reducing the need for multiple TRPs or cells. Coordinate interaction delays.
  • DCI PDCCH
  • This embodiment 10 also provides a signal triggering method.
  • downlink control information including a CSI request domain can be sent by at least two TRPs or cells.
  • FIG. 15 is a flowchart of a signal triggering method of this embodiment, which is applied to a network device side. As shown in FIG. 15, the method includes:
  • Step 1501 The network device side sends the first downlink control information and the second downlink control information to the terminal device.
  • the first downlink control information includes trigger information that triggers the sending of the aperiodic CSI reference signal, and the second downlink control information includes the trigger. Trigger information reported by aperiodic CSI;
  • the first downlink control information and the second downlink control information may be sent by the same or different TRPs or cells, which is not limited in this embodiment.
  • the second downlink control information is used for scheduling.
  • the first downlink control information may be a DCI for scheduling an uplink data channel (PUSCH), or may also be a DCI for scheduling a downlink data channel (PDSCH). This is not a limitation.
  • first downlink control information and the second downlink control information may also be DCIs of different levels in the multi-level DCI, for example, the first and second levels of the first downlink control information
  • the second downlink control information may also be two-level DCI in multi-level, multi-stage, two-level, two-stage, dual-level, and dual-stage.
  • the second downlink control information may further include resource information reported by aperiodic CSI.
  • resource information reported by aperiodic CSI.
  • the method may further include: (not shown) the network device receives the aperiodic CSI reported by the terminal device, or sends an aperiodic reference signal to the terminal device.
  • aperiodic CSI-RS since the transmission of aperiodic CSI-RS is only related to downlink transmission, no additional PUSCH resources are required for reporting or feedback, so its trigger information can be placed in the DCI scheduling PDSCH (but it can also be placed In the DCI scheduling PUSCH), multiple TRPs or cells can independently schedule aperiodic CSI-RS transmission, reducing the delay caused by coordination and interaction between multiple TRPs or cells, and reducing the aperiodic CSI-RS
  • the trigger of transmission and the trigger information reported by aperiodic CSI are separated and sent by the first DCI and the second DCI, respectively, and flexible transmission and triggering of CSI-RS can be realized.
  • FIG. 16 is a flowchart of the method. As shown in FIG. 16, the method includes:
  • Step 1601 The terminal device receives the first downlink control information and the second downlink control information sent by the network device.
  • the first downlink control information includes trigger information that triggers the sending of an aperiodic CSI reference signal.
  • the second downlink control information includes Trigger information that triggers aperiodic CSI reporting;
  • the first downlink control information and the second downlink control information may be sent by the same or different TRPs or cells on the network device side, which is not limited in this embodiment.
  • the second downlink control information is DCI for scheduling an uplink data channel (PUSCH).
  • the first downlink control information may be DCI for scheduling an uplink data channel (PUSCH), or DCI for scheduling a downlink data channel (PDSCH).
  • the embodiment does not take this as a limitation.
  • the first downlink control information and the second downlink control information may also be different levels of DCI in the multi-level DCI, for example, the first level and the second level.
  • the row control information and the second downlink control information may also be two levels of DCI in multi-level, multi-stage, two-level, two-stage, dual-level, and dual-stage.
  • step 1601 reference may be made to step 1501 in Embodiment 10, and details are not described herein again.
  • the method may further include: (not shown) the terminal device receives and / or reports aperiodic CSI reference signals.
  • the trigger of aperiodic CSI-RS transmission and the trigger information of aperiodic CSI reporting are separated and sent by the first DCI and the second DCI, respectively.
  • Flexible transmission and triggering of CSI-RS can be realized.
  • Trigger information for CSI-RS transmission is placed in the DCI scheduling PDSCH.
  • Multiple TRPs or cells can independently schedule aperiodic CSI-RS transmissions, reducing the delay caused by coordinated interaction between multiple TRPs or cells.
  • This embodiment 12 also provides a signal triggering method.
  • the information field indicates the reference signal transmission and
  • the information field of PDSCH resource mapping related information can be, for example, an aperiodic CSI-RS transmission and / or aperiodic CSI reporting field, a ZP CSI-RS trigger field, a rate match indicator field, etc., and the above information fields can be exchanged through the relay device And finally send the coordinated information field by one TRP or cell or DCI signaling, or send the same coordinated information field by multiple TRP or cell or DCI signaling.
  • FIG. 17 is a flowchart of the signal triggering method, which is applied to the first network device side. As shown in FIG. 17, the method includes:
  • Step 1701 The first transmission point or the first cell sends first information to the relay device, where the first information is one or more information fields included in the downlink control information for indicating reference signal transmission or PDSCH resource mapping. Information;
  • Step 1702 The first transmission point or the first cell sends instruction information to the relay device to forward the first information.
  • the indication information may be an instruction to the relay device to forward the first information to a transmission point or cell different from the first transmission point or the first cell.
  • the first information is all or part of information in an aperiodic CSI-RS transmission and / or aperiodic CSI reporting domain, or a ZP CSI-RS trigger domain or a rate match indicator domain.
  • aperiodic CSI-RS transmission and / or aperiodic CSI reporting domain or a ZP CSI-RS trigger domain or a rate match indicator domain.
  • the first information may be carried by the downlink control information, that is, the first information is the foregoing domain, but this embodiment is not limited to this, and the first information may also be carried by other signaling. This embodiment is not limited thereto.
  • the relay device may be a relay station or a terminal device, which is not limited in this embodiment.
  • the instruction information is used to instruct the relay device to forward the first information to a transmission point or cell different from the first transmission point or the first cell.
  • the relay device After receiving the instruction information, the relay device, Forward the first information to a transmission point or cell that is different from the first transmission point or the first cell, where the indication information passes the downlink control information in step 1701, for example, for scheduling a first downlink of a downlink data channel Control information bearer (but this embodiment is not limited to this, and it can also be carried by other signaling), for example, by using one or more bits reserved in the first DCI to notify that the received first information is needed If it is forwarded to another TRP or cell, for example, 1 bit is used to indicate the indication information. When the indication information is 0, it indicates that the first information does not need to be forwarded. When the indication information is 1, it indicates the first information. Needs to be forwarded.
  • the other TRP or cell may be a TRP or cell that makes a decision, or a TRP or cell that sends a second DCI that schedules a PUSCH, or may be jointly with the first transmission point or the first cell.
  • the TRP or cell in which the terminal device performs multiple TRP or multiple panel operations is not limited in this embodiment.
  • the trigger information and / or resource information is carried by the second DCI for scheduling a PUSCH.
  • step 1702 may be performed before step 1701 or after it, which is not limited in this embodiment.
  • the first information between multiple TRPs is forwarded through the relay device to interact.
  • the delay through the air interface is much smaller than the delay using backhaul interaction.
  • the relay device forwards the information through the relay device.
  • the first information can also effectively avoid aperiodic CSI-RS resource conflicts sent by multiple TRPs or cells.
  • FIG. 18 is a flowchart of the method. As shown in FIG. 18, the method includes:
  • Step 1801 The relay device receives the first information sent by the first transmission point or the first cell.
  • Step 1802 The relay device receives instruction information sent by the first transmission point or the first cell and used to instruct to forward the first information.
  • Step 1803 The relay device forwards the first information to a second transmission point or a second cell.
  • this step 1801-1802 corresponds to steps 1701-1702 in Embodiment 12.
  • the meaning of the first information and the implementation manner of the indication information please refer to Embodiment 12, and details are not described herein again.
  • the relay device may be a relay station or a terminal device, which is not limited in this embodiment.
  • the terminal device may be a terminal device that performs aperiodic CSI-RS reception and aperiodic CSI reporting.
  • the relay device when the relay device is a terminal device, after performing steps 1801 and 1802, the terminal device will not send trigger information and / or non-periodic CSI reporting information on the received non-periodic CSI reference signals and / or non-periodic CSI.
  • the resource information reported by the periodic CSI is reported in response, and only step 1803 is performed. If only the step 1801 is performed and the step 1802 is not performed, the terminal device performs aperiodic CSI reporting according to the control information received in step 1801.
  • the network device may put the first information in step 1801 and the instruction information in step 1802 into the same DCI.
  • the relay device may forward the first information to the second transmission point or the second cell in the PUCCH or PUSCH. Specifically, the number of bits or signaling of the first information may be forwarded as required.
  • the load is determined.
  • the second TRP or cell may be a decision-making TRP or cell, or a TRP or cell that sends a DCI that schedules PUSCH. It may also be a joint implementation with the first transmission point or the first cell for the terminal device.
  • the TRP or TRP or cell with multiple panel operations is not limited in this embodiment.
  • trigger information and / or resource information between multiple TRPs are forwarded through the relay device to interact, so that through the air interface, the time delay is much smaller than the use time.
  • the delay of backhaul interaction, and in addition, the first information is forwarded through the relay device, which can also effectively avoid aperiodic CSI-RS resource conflicts sent by multiple TRPs or cells.
  • FIG. 19 is a flowchart of the method. As shown in FIG. 19, the method includes:
  • Step 1901 The second transmission point or the second cell receives the first information forwarded by the relay device.
  • this step 1901 corresponds to step 1803 in Embodiment 13.
  • first information refer to Embodiment 6.
  • relay device and the second transmission point or the second cell refer to Reference is made to Embodiment 13 and details are not described herein again.
  • the second transmission point or the second cell receives the first information through a PUCCH or a PUSCH.
  • the method may further include: (not shown) the second transmission point or the second cell sending downlink control information to the terminal device according to the forwarded first information, where the downlink control information includes instructions for sending a reference signal and And / or an information field of PDSCH resource mapping.
  • the content indicated by the downlink control information information field may be content after the second transmission point or the second cell coordinates the reference signal transmission and / or PDSCH resource mapping of the cell and the first information makes a decision.
  • trigger information and / or resource information between multiple TRPs are forwarded through relay devices to interact.
  • the delay through the air interface is much smaller than the delay through backhaul interaction.
  • the relay device forwards the first information, which can also effectively avoid aperiodic CSI-RS resource conflicts sent by multiple TRPs or cells.
  • the fifteenth embodiment also provides a signal processing device. Since the principle of the device to solve the problem is similar to the method of Embodiment 1, its specific implementation can refer to the implementation of the method of Embodiment 1, and the same content will not be described repeatedly.
  • FIG. 20 is a schematic diagram of a signal processing device according to the fifteenth embodiment. As shown in FIG. 20, the device 2000 includes:
  • a processing unit 2001 which is configured to refer to a conflict that occurs when multiple signals or channels configured or instructed on the network device side conflict, or when multiple signals or channels configured or instructed on the network device side conflict and meet a predetermined condition
  • the signal performs a first process.
  • This embodiment 16 also provides a transmission resource configuration device. Since the principle of the device to solve the problem is similar to the method of Embodiment 2, its specific implementation can refer to the implementation of the method of Embodiment 2, and the same content is not described repeatedly.
  • FIG. 21 is a schematic diagram of a signal processing device according to the sixteenth embodiment. As shown in FIG. 21, the device 2100 includes:
  • a first sending unit 2101 is configured to send resource configuration information used for aperiodic reference signal transmission to a terminal device, where the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • the first sending unit 2101 carries the resource configuration information through a radio resource control (RRC) and / or a media access control (MAC) control element (CE) and / or a physical downlink control channel (PDCCH).
  • RRC radio resource control
  • MAC media access control
  • PDCCH physical downlink control channel
  • the aperiodic reference signal includes NZP CSI-RS for channel measurement, or NZP CSI-RS for interference measurement, or CSI-IM, or ZP CSI-RS, or phase tracking CSI-RS or TRS (tracking RS), or CSI-RS for RRM measurement, or CSI-RS for mobility.
  • the device 2100 may further include (not shown): an eleventh sending unit, which is used to send valid instruction information to the terminal device and an aperiodic trigger offset.
  • an eleventh sending unit which is used to send valid instruction information to the terminal device and an aperiodic trigger offset.
  • an eleventh sending unit which is used to send valid instruction information to the terminal device and an aperiodic trigger offset.
  • the network device avoids the occurrence of multiple signal or channel conflicts configured or indicated by the network device by configuring the period and / or time domain offset of the aperiodic CSI-RS transmission resource.
  • This embodiment 17 also provides a transmission resource configuration device. Since the principle of the device to solve the problem is similar to the method of Embodiment 3, its specific implementation can refer to the implementation of the method of Embodiment 3, and the same content will not be described repeatedly.
  • FIG. 22 is a schematic diagram of a signal processing device according to the seventeenth embodiment. As shown in FIG. 22, the device 2200 includes:
  • a first receiving unit 2201 is configured to receive resource configuration information used for aperiodic reference signal transmission sent by a network device, where the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • the first receiving unit 2201 carries the resource configuration information through a radio resource control (RRC) and / or a media access control (MAC) control element (CE) and / or a physical downlink control channel (PDCCH).
  • RRC radio resource control
  • MAC media access control
  • PDCCH physical downlink control channel
  • the aperiodic reference signal includes NZP CSI-RS for channel measurement, or NZP CSI-RS for interference measurement, or CSI-IM, or ZP CSI-RS, or phase tracking CSI-RS or TRS (tracking RS), or CSI-RS for RRM measurement, or CSI-RS for mobility.
  • the device 2200 may further include (not shown): an eleventh receiving unit, which is used to receive the validity instruction information and the aperiodic trigger offset sent by the network device.
  • an eleventh receiving unit which is used to receive the validity instruction information and the aperiodic trigger offset sent by the network device.
  • an eleventh receiving unit which is used to receive the validity instruction information and the aperiodic trigger offset sent by the network device.
  • the network device avoids the occurrence of multiple signal or channel conflicts configured or indicated by the network device by configuring the period and / or time domain offset of the aperiodic CSI-RS transmission resource.
  • This embodiment 18 also provides a resource indication device. Since the principle of the device to solve the problem is similar to the method of Embodiment 4, its specific implementation can refer to the implementation of the method of Embodiment 4, and the same content is not described repeatedly.
  • FIG. 23 is a schematic diagram of a resource indicating device according to the eighteenth embodiment. Applied to the network equipment side, as shown in FIG. 23, the device 2300 includes:
  • a second sending unit 2301 is configured to send at least two downlink control information to the terminal device, where the resources indicated in the at least two downlink control information are the same, or the network device side sends at least two downlink control information to the terminal device side Information, where one downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information, and other downlink control information does not include the one or more information for indicating reference signals Information field for sending and / or PDSCH resource mapping related information.
  • the resource is a resource indicated by a zero-power CSI-RS trigger domain, or a resource indicated by a rate matching indicator domain, or a CSI-RS or CSI-IM resource indicated by a CSI request domain, or the resource is the downlink control information scheduling PDSCH mapping requires resources to be avoided.
  • Embodiment 19 also provides a resource indication device. Since the principle of the device to solve the problem is similar to the method of Embodiment 5, its specific implementation can refer to the implementation of the method of Embodiment 5, and the same content will not be described repeatedly.
  • FIG. 24 is a schematic diagram of a resource indicating device according to Embodiment 19. Applied to the terminal equipment side, as shown in FIG. 24, the device 2400 includes:
  • a second receiving unit 2400 configured to receive at least two downlink control information sent by the network device side, where the resources indicated in the at least two downlink control information are the same; or receive at least two downlink control information sent by the network device side Wherein, at most one downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information, and other downlink control information does not include the indication reference signal transmission and / or PDSCH resource.
  • Information field for mapping related information when the terminal device receives at least two downlink control information sent by the network device side, the terminal device expects that at most one of the downlink control information includes one or more indication reference signal transmissions and / or PDSCH resources.
  • the information field of the mapping related information or when it is used when the terminal device receives at least two downlink control information sent by the network device side, it is not expected that the resources indicated in the at least two downlink control information are different.
  • the resources indicated by at least two DCIs are the same, the same resources will not be used for PDSCH mapping. Therefore, it is possible to avoid scheduling PDSCH resources through the at least two DCIs and the CSI request fields indicated by the at least two DCIs. Resource conflicts in CSI-RS or CSI-IM. In addition, since only one DCI is used to indicate the above resources on the network device side, and other DCIs are not used to indicate the above resources, there is no problem of resource conflicts.
  • This embodiment 20 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 6, its specific implementation can refer to the implementation of the method of Embodiment 6, and the same content will not be described repeatedly.
  • FIG. 25 is a schematic diagram of a signal triggering device according to the twentieth embodiment. Applied to the network equipment side, as shown in FIG. 25, the device 2500 includes:
  • the third sending unit 2501 is configured to send the first downlink control information for scheduling the downlink data channel to the terminal device, where the first downlink control information includes triggering the transmission of the aperiodic CSI reference signal and / or the aperiodic CSI reporting. Trigger information.
  • the device 2500 further includes:
  • a fourth sending unit 2502 is configured to send second downlink control information for scheduling an uplink data channel to the terminal device, where the second downlink control information includes resource information reported by aperiodic CSI.
  • the terminal device is configured in a multi-TRP related mode, and the first downlink control information includes the trigger information.
  • the second downlink control information includes the trigger information.
  • triggering information of aperiodic CSI reference signal transmission and / or aperiodic CSI reporting is triggered in the DCI scheduling downlink data channel. Therefore, multiple TRPs or cells can independently detect aperiodic CSI-RS. Transmission or aperiodic CSI reporting to make decisions, reducing the delay caused by coordination and interaction between multiple TRPs or cells.
  • This embodiment 21 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 7, its specific implementation can refer to the implementation of the method of Embodiment 7, and the same content will not be described repeatedly.
  • FIG. 26 is a schematic diagram of a signal triggering device according to the twenty-first embodiment. Applied to the terminal equipment side, as shown in FIG. 26, the device 2600 includes:
  • a third receiving unit 2601 configured to receive first downlink control information for scheduling a downlink data channel sent by a network device side, where the first downlink control information includes triggering aperiodic CSI reference signal transmission and / or aperiodic CSI Reported trigger information.
  • the device 2600 may further include:
  • a fourth receiving unit 2602 is configured to receive second downlink control information sent by a network device side for scheduling an uplink data channel, where the second downlink control information includes resource information reported by aperiodic CSI.
  • the terminal device is configured in a multi-TRP related mode, and the first downlink control information includes the trigger information.
  • the second downlink control information includes the trigger information.
  • multiple TRPs or cells can independently make decisions on aperiodic CSI-RS transmission or aperiodic CSI reporting, reducing the delay caused by coordinated interaction between multiple TRPs or cells.
  • This embodiment 22 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 8, its specific implementation can refer to the implementation of the method of Embodiment 8, and the same content will not be described repeatedly.
  • FIG. 27 is a schematic diagram of a signal triggering device according to the twenty-second embodiment. Applied on the network device side, as shown in Figure 27, the device 2700 includes:
  • a fifth sending unit 2701 configured to send at least two downlink control information for scheduling an uplink data channel to the terminal device in a time scheduling unit, where the downlink control information includes triggering aperiodic CSI reference signal transmission and / or aperiodic Triggered by CSI.
  • the unit of the time scheduling unit may be one of time slot, second, millisecond, microsecond, subframe, and symbol.
  • the apparatus further includes (optional): a sixth sending unit 2702, configured to send setting information to the terminal device, where the setting information includes: a carrier of the terminal device in the one time scheduling unit Or the maximum number of downlink control information received on a BWP for scheduling an uplink channel.
  • a sixth sending unit 2702 configured to send setting information to the terminal device, where the setting information includes: a carrier of the terminal device in the one time scheduling unit Or the maximum number of downlink control information received on a BWP for scheduling an uplink channel.
  • multiple TRPs or cells can independently make decisions on the transmission of aperiodic CSI-RS or the reporting of aperiodic CSI, thereby reducing the delay caused by the coordinated interaction between multiple TRPs or cells.
  • This embodiment 23 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 9, its specific implementation can refer to the implementation of the method of Embodiment 9, and the same content will not be described repeatedly.
  • FIG. 28 is a schematic diagram of a signal triggering device according to the twenty-third embodiment. Applied to the terminal equipment side, as shown in Figure 28, the device 2800 includes:
  • a fifth receiving unit 2801 configured to receive at least two downlink control information for scheduling an uplink data channel sent by the network device side in a time scheduling unit, where the downlink control information includes triggering sending of aperiodic CSI reference signals and / or Trigger information for aperiodic CSI reporting.
  • the unit of the time scheduling unit may be one of time slot, second, millisecond, microsecond, subframe, and symbol.
  • the fifth receiving unit 2801 does not exceed a predetermined number of downlink control information received on a carrier or a BWP in the one time scheduling unit for scheduling an uplink channel.
  • the apparatus further includes (optional): a sixth receiving unit 2802, configured to receive setting information sent by a network device, where the setting information includes: a carrier of the terminal device in the one time scheduling unit Or the maximum value of the number of downlink control information received on a BWP for scheduling an uplink channel, the maximum value being equal to the predetermined number.
  • a sixth receiving unit 2802 configured to receive setting information sent by a network device, where the setting information includes: a carrier of the terminal device in the one time scheduling unit Or the maximum value of the number of downlink control information received on a BWP for scheduling an uplink channel, the maximum value being equal to the predetermined number.
  • multiple TRPs or cells can independently make decisions on the transmission of aperiodic CSI-RS or the reporting of aperiodic CSI, thereby reducing the delay caused by the coordinated interaction between multiple TRPs or cells.
  • This embodiment 24 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 10, its specific implementation can refer to the implementation of the method of Embodiment 10, and the same content is not described repeatedly.
  • FIG. 29 is a schematic diagram of a signal triggering device of the twenty-fourth embodiment. Applied to the network equipment side, as shown in Figure 29, the device 2900 includes:
  • a seventh sending unit 2901 configured to send the first downlink control information and the second downlink control information to the terminal device, where the first downlink control information includes trigger information that triggers sending of an aperiodic CSI reference signal, and the second downlink control The information includes trigger information that triggers aperiodic CSI reporting.
  • multiple TRPs or cells can independently schedule aperiodic CSI-RS transmissions, reduce the delay caused by coordination and interaction between multiple TRPs or cells, and trigger and non-periodic CSI-RS transmissions.
  • the trigger information reported by the periodic CSI is split and sent separately by the first DCI and the second DCI, which can realize flexible transmission and triggering of the CSI-RS.
  • This embodiment 25 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 11, its specific implementation can refer to the implementation of the method of Embodiment 11, and the same content will not be described repeatedly.
  • FIG. 30 is a schematic diagram of a signal triggering device according to the twenty-fifth embodiment. Applied to the terminal equipment side, as shown in FIG. 30, the device 3000 includes:
  • a seventh receiving unit 3001 is configured to receive first downlink control information and second downlink control information sent by a network device side, where the first downlink control information includes trigger information that triggers sending of an aperiodic CSI reference signal, and the second The downlink control information includes trigger information that triggers aperiodic CSI reporting.
  • the trigger of aperiodic CSI-RS transmission and the trigger information of aperiodic CSI reporting are separated and sent by the first DCI and the second DCI, respectively.
  • Flexible transmission and triggering of CSI-RS can be realized.
  • Trigger information for CSI-RS transmission is placed in the DCI scheduling PDSCH.
  • Multiple TRPs or cells can independently schedule aperiodic CSI-RS transmissions, reducing the delay caused by coordinated interaction between multiple TRPs or cells.
  • This embodiment 26 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 12, its specific implementation can refer to the implementation of the method of Embodiment 12, and the same content is not described repeatedly.
  • FIG. 31 is a schematic diagram of a signal triggering device of the twenty-sixth embodiment. Applied to the first network equipment side of the first transmission point or the first cell, as shown in FIG. 31, the apparatus 3100 includes:
  • An eighth sending unit 3101 configured to send the first information to the relay device
  • the ninth sending unit 3102 is configured to send instruction information for forwarding the first information to the relay device.
  • the first information between multiple TRPs is forwarded through the relay device to interact.
  • the delay through the air interface is much smaller than the delay using backhaul interaction.
  • the relay device forwards the information through the relay device.
  • the first information can also effectively avoid aperiodic CSI-RS resource conflicts sent by multiple TRPs or cells.
  • This embodiment 27 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 13, its specific implementation can refer to the implementation of the method of Embodiment 13, and the same content is not described repeatedly.
  • FIG. 32 is a schematic diagram of a signal triggering device according to the twenty-seventh embodiment. Applied to the relay device side, as shown in Figure 32, the device 3200 includes:
  • An eighth receiving unit 3201 configured to receive first information sent by a first transmission point or a first cell
  • a ninth receiving unit 3202 configured to receive instruction information sent by a first transmission point or a first cell and used to instruct to forward the first information
  • a tenth sending unit 3203 is configured to forward the first information to a second transmission point or a second cell.
  • the relay device is a terminal device.
  • the tenth sending unit 3203 forwards the first information in the PUCCH or PUSCH. ⁇ ⁇ One message.
  • the first information between multiple TRPs (for example, the first TRP and the second TRP) is forwarded through the relay device to interact.
  • the interaction is performed through the air interface, and the delay is much smaller than that when backhaul interaction is used.
  • the relay device by relaying the first information through the relay device, it is also possible to effectively avoid resource conflicts indicated by multiple TRPs or cells through DCI.
  • This embodiment 28 also provides a signal triggering device. Since the principle of the device to solve the problem is similar to the method of Embodiment 14, its specific implementation can refer to the implementation of the method of Embodiment 14, and the same content is not described repeatedly.
  • FIG. 33 is a schematic diagram of a signal triggering device according to the twenty-eighth embodiment. Applied to the second network device side, as shown in FIG. 33, the device 3300 includes:
  • the tenth receiving unit 3301 is configured to receive the first information forwarded by the relay device.
  • the tenth receiving unit 3301 may receive the forwarded first information in a PUCCH or a PUSCH.
  • the first information refer to Embodiment 12.
  • the first information between multiple TRPs (for example, the first TRP and the second TRP) is forwarded through the relay device to interact.
  • the interaction is performed through the air interface, and the delay is much smaller than that when backhaul interaction is used.
  • the relay device by relaying the first information through the relay device, it is also possible to effectively avoid resource conflicts indicated by multiple TRPs or cells through DCI.
  • the communication system 100 may include:
  • the network device 101 is configured with the transmission resource configuration device 2100 according to the sixteenth embodiment or the resource indicating device 2300 according to the eighteenth embodiment or the signal triggering device 2500 or the signal triggering device according to the twenty-second embodiment. 2700 or the signal triggering device 2900 described in Embodiment 24 or the signal triggering device 3100 or 3300 described in Embodiment 26 or 28;
  • the terminal device 102 is configured with the signal processing device 2000 described in Embodiment 15 or the transmission resource configuration device 2200 described in Embodiment 17 or the resource instruction device 2400 described in Embodiment 19 or the signal triggering device described in Embodiment 21. 2600 or the signal triggering device 2800 according to embodiment 23 or signal triggering device 3000 according to embodiment 25 or signal triggering device 3200 according to embodiment 27.
  • This embodiment further provides a network device, which may be, for example, a base station, but the present invention is not limited thereto, and may also be another network device.
  • a network device which may be, for example, a base station, but the present invention is not limited thereto, and may also be another network device.
  • FIG. 34 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • the network device 3400 may include a processor 3410 (such as a central processing unit CPU) and a memory 3420; the memory 3420 is coupled to the processor 3410.
  • the memory 3420 can store various data; in addition, it also stores a program 3430 for information processing, and executes the program 3430 under the control of the processor 3410.
  • the processor 3410 may be configured to execute the program 3430 to implement the transmission resource configuration method described in Embodiment 2.
  • the processor 3410 may be configured to perform the following control: sending to the terminal device resource configuration information used for aperiodic reference signal transmission, and the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • the processor 3410 may be configured to execute the program 3430 to implement the resource instruction method described in Embodiment 4.
  • the processor 3410 may be configured to perform the following control:
  • One of the downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information.
  • the other downlink control information does not include all Describe one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information;
  • At least two pieces of downlink control information are sent to the terminal device, where the resources indicated in the at least two pieces of downlink control information are the same.
  • the processor 3410 may be configured to execute the program 3430 to implement the signal triggering method described in Embodiment 6 or 8 or 10 or 12 or 14.
  • the processor 3410 may be configured to perform the following control:
  • the first information refer to Embodiment 12, and details are not described herein again.
  • the first downlink control information and the second downlink control information are sent to the terminal device.
  • the first downlink control information includes trigger information that triggers the sending of the aperiodic CSI reference signal
  • the second downlink control information includes the triggering of the aperiodic CSI report. Trigger information.
  • a time scheduling unit at least two pieces of downlink control information for scheduling an uplink data channel are sent to the terminal device, and the downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • the first downlink control information for scheduling a downlink data channel is sent to the terminal device, where the first downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • the network device 3400 may further include: a transceiver 3440, an antenna 3450, and the like; wherein the functions of the above components are similar to those in the prior art, and are not repeated here. It is worth noting that the network device 3400 does not have to include all the components shown in FIG. 34; in addition, the network device 3400 may also include components not shown in FIG. 34, and reference may be made to the prior art.
  • An embodiment of the present invention further provides a terminal device, but the present invention is not limited thereto, and may also be another device.
  • FIG. 35 is a schematic diagram of a terminal device according to an embodiment of the present invention.
  • the terminal device 3500 may include a processor 3510 and a memory 3520; the memory 3520 stores data and programs, and is coupled to the processor 3510. It is worth noting that this figure is exemplary; other types of structures can also be used to supplement or replace the structure to implement telecommunication functions or other functions.
  • the processor 3510 may be configured to execute a program to implement the signal processing method as described in Embodiment 1.
  • the processor 3510 may be configured to perform control when multiple signals or channels configured or instructed on the network device side conflict, or when multiple signals or channels configured or instructed on the network device side conflict, and meet predetermined conditions , Performing a first process on the conflicting reference signal.
  • the processor 3510 may be configured to execute a program to implement the transmission resource configuration method described in Embodiment 3.
  • the processor 3510 may be configured to perform the following control: receiving resource configuration information used for aperiodic reference signal transmission sent by a network device, the resource configuration information including a period and / or time domain offset of the aperiodic reference signal transmission .
  • the processor 3510 may be configured to execute a program to implement the resource instruction method described in Embodiment 5.
  • the processor 3510 may be configured to perform the following control:
  • the receiving network device side sends at least two downlink control information, wherein at most one downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information, and other downlink control information includes Does not include the information field indicating the reference signal transmission and / or PDSCH resource mapping related information; or when the terminal device receives at least two downlink control information sent by the network device side, the terminal device expects that at most one of the downlink control information includes One or more information fields indicating information related to reference signal transmission and / or PDSCH resource mapping.
  • the processor 3510 may be configured to execute a program to implement a signal triggering method as described in Embodiment 7 or 9 or 11 or 13.
  • the processor 3510 may be configured to perform the following control:
  • the first downlink control information and the second downlink control information sent by the network device side are received, the first downlink control information includes trigger information that triggers the sending of the aperiodic CSI reference signal, and the second downlink control information includes the triggering aperiodic Triggered by CSI.
  • At least two downlink control information for scheduling an uplink data channel sent by the network device side are received in a time scheduling unit, and the downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or aperiodic CSI reporting .
  • first downlink control information for scheduling a downlink data channel sent by a network device side, where the first downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • the terminal device 3500 may further include a communication module 3530, an input unit 3540, an audio processor 3590, a display 3550, and a power supply 3560.
  • the functions of the above components are similar to those in the prior art, and are not repeated here. It is worth noting that the terminal device 3500 does not have to include all the components shown in FIG. 35, and the above components are not necessary. In addition, the terminal device 3500 may also include components not shown in FIG. 35. There is technology.
  • An embodiment of the present invention further provides a storage medium storing a computer-readable program, wherein the computer-readable program causes a signal processing apparatus or a terminal device to execute the signal processing method according to Embodiment 1.
  • An embodiment of the present invention further provides a computer-readable program, wherein when the program is executed in a signal processing device or a terminal device, the program causes the signal processing device or terminal device to perform the signal processing according to Embodiment 1 method.
  • An embodiment of the present invention further provides a storage medium storing a computer-readable program, wherein the computer-readable program causes a transmission resource configuration apparatus or a network device to execute the transmission resource configuration method according to Embodiment 2.
  • An embodiment of the present invention further provides a computer-readable program, wherein when the program is executed in a transmission resource configuration device or a network device, the program causes the transmission resource configuration device or the network device to execute the method described in Embodiment 2 Transmission resource allocation method.
  • An embodiment of the present invention further provides a storage medium storing a computer-readable program, wherein the computer-readable program causes a transmission resource configuration apparatus or a terminal device to execute the transmission resource configuration method according to Embodiment 3.
  • An embodiment of the present invention also provides a computer-readable program, wherein when the program is executed in a transmission resource configuration device or a terminal device, the program causes the transmission resource configuration device or the terminal device to execute the method described in Embodiment 3 Transmission resource allocation method.
  • An embodiment of the present invention further provides a storage medium storing a computer-readable program, wherein the computer-readable program causes a signal triggering device or a network device to execute the signal triggering method described in Embodiment 7 or 9 or 11 or 13.
  • An embodiment of the present invention further provides a computer-readable program, wherein when the program is executed in a signal triggering device or a network device, the program causes the signal triggering device or the network device to execute the embodiment 7 or 9 or 11 or The signal triggering method described in 13.
  • An embodiment of the present invention further provides a storage medium storing a computer-readable program, wherein the computer-readable program causes a signal triggering device or a terminal device to perform the signal triggering method described in Embodiment 6 or 8 or 10 or 12 or 14. .
  • An embodiment of the present invention also provides a computer-readable program, wherein when the program is executed in a signal triggering device or a terminal device, the program causes the signal triggering device or the terminal device to execute the embodiment 6 or 8 or 10 or The signal trigger method according to 12 or 14.
  • An embodiment of the present invention further provides a storage medium storing a computer-readable program, wherein the computer-readable program causes a resource instruction device or a network device to execute the resource instruction method according to Embodiment 4.
  • An embodiment of the present invention further provides a computer-readable program, wherein when the program is executed in a resource instruction device or a network device, the program causes the resource instruction device or the network device to perform the resource instruction described in Embodiment 4 method.
  • An embodiment of the present invention further provides a storage medium storing a computer-readable program, wherein the computer-readable program causes a resource instruction device or a terminal device to execute the resource instruction method according to Embodiment 5.
  • An embodiment of the present invention further provides a computer-readable program, wherein when the program is executed in a resource instruction device or a terminal device, the program causes the resource instruction device or the terminal device to perform the resource instruction according to Embodiment 5 method.
  • the above devices and methods of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
  • the present invention relates to a computer-readable program that, when executed by a logic component, enables the logic component to implement the apparatus or constituent components described above, or enables the logic component to implement various methods described above. Or steps.
  • the present invention also relates to a storage medium for storing the above programs, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, and the like.
  • Each processing method in each device described in connection with the embodiments of the present invention may be directly embodied as hardware, a software module executed by a processor, or a combination of the two.
  • one or more of the functional block diagrams and / or one or more combinations of functional block diagrams shown in FIGS. 20-35 may correspond to each software module of a computer program flow, or to each hardware module.
  • These software modules can correspond to the steps shown in Figure 2-19.
  • These hardware modules can be implemented by using a field programmable gate array (FPGA) to cure these software modules.
  • FPGA field programmable gate array
  • a software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.
  • a storage medium may be coupled to the processor so that the processor can read information from and write information to the storage medium; or the storage medium may be a component of the processor.
  • the processor and the storage medium may reside in an ASIC.
  • the software module can be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal.
  • the software module may be stored in the MEGA-SIM card or a large-capacity flash memory device.
  • One or more of the functional block diagrams and / or one or more combinations of the functional block diagrams described with reference to FIGS. 20-35 may be implemented as a general-purpose processor, digital signal processor (DSP) for performing the functions described in this application. , Application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any suitable combination thereof.
  • the functional block diagrams described in FIGS. 20-35 and / or one or more combinations of the functional block diagrams may also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, and multiple microprocessors. Processor, one or more microprocessors in conjunction with DSP communications, or any other such configuration.
  • Attachment 1 A signal processing method, wherein the method includes:
  • the terminal device When multiple signals or channels configured or indicated on the network device side conflict, or multiple signals or channels configured or indicated on the network device side conflict, and the predetermined conditions are met, the terminal device performs the first processing on the conflicting reference signal .
  • the first processing includes canceling measurement processing on the reference signal and / or canceling measurement reporting processing of the reference signal; or the reference signal is not used As a CSI-RS reference resource.
  • the predetermined condition is that a resource occupied by the reference signal conflicts with a resource occupied by other signals or channels of the terminal device, or the reference signal is occupied by the reference signal.
  • the occupied resources conflict with the resources occupied by the physical downlink shared channel (PDSCH) of the terminal device, or the resources occupied by the reference signal conflict with the resources occupied by the PDSCH of the terminal device, and the PDSCH is not
  • the transport block or code block or code block group in which the PDSCH is successfully decoded is not successfully decoded.
  • the resource occupied by the signal or channel configured or indicated by the high-level signaling on the network device side conflicts with the resource occupied by the signal or channel indicated by the downlink control information; or,
  • the resources occupied by the signals or channels indicated by the downlink control information include resources indicated by the zero-power channel state information reference signal (ZPCSI-RS) trigger domain, or rate matching
  • ZPCSI-RS zero-power channel state information reference signal
  • CSI request channel state information request
  • the signal or channel configured or indicated by higher layer signaling includes a non-zero power channel state information reference signal (NZPCSI-RS) for channel measurement, or is used for interference measurement NZP CSI-RS, or CSI-IM, or CSI-RS for radio resource management (RRM) measurement or mobility measurement, or synchronization channel block SSB, or rate matching pattern or ZP CSI configured for PDSCH resource mapping -RS.
  • NZPCSI-RS non-zero power channel state information reference signal
  • RRM radio resource management
  • the resource conflict comprises a time domain resource conflict or a frequency domain resource conflict or a time-frequency domain resource conflict.
  • a resource configuration method applied to a network device wherein the method includes:
  • the network device sends resource configuration information used for aperiodic reference signal transmission to the terminal device, where the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • the resource configuration is carried by a radio resource control (RRC) and / or a media access control (MAC) control element (CE) and / or a physical downlink control channel (PDCCH). information.
  • RRC radio resource control
  • MAC media access control
  • CE control element
  • PDCCH physical downlink control channel
  • the aperiodic reference signal includes NZP CSI-RS for channel measurement, or NZP CSI-RS for interference measurement, or CSI-IM, or ZP CSI-RS, or CSI-RS or TRS (tracking RS) for phase tracking, or CSI-RS for RRM measurement, or CSI-RS for mobility.
  • the resource configuration information further includes position information of resource particles used for non-periodic reference signal transmission.
  • the network device sends validation instruction information to the terminal device, where the validation instruction information is used to indicate whether the resource configuration information is valid.
  • a signal triggering method wherein the method comprises:
  • the network device side sends, to the terminal device, first downlink control information for scheduling a downlink data channel, where the first downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • the network device side sends second downlink control information for scheduling an uplink data channel to the terminal device, where the second downlink control information includes resource information reported by aperiodic CSI.
  • the first downlink control information may further include resource information reported by aperiodic CSI.
  • the second downlink control information further includes the trigger information.
  • a resource configuration method wherein the method includes:
  • the terminal device receives resource configuration information used for aperiodic reference signal transmission sent by the network device, and the resource configuration information includes a period and / or time domain offset of the aperiodic reference signal transmission.
  • RRC radio resource control
  • MAC media access control
  • CE control element
  • PDCCH physical downlink control channel
  • the aperiodic reference signal includes NZP CSI-RS for channel measurement, or NZP CSI-RS for interference measurement, or CSI-IM, or ZP CSI-RS, or CSI-RS or TRS (tracking RS) for phase tracking, or CSI-RS for RRM measurement, or CSI-RS for mobility.
  • the terminal device receives the validity indication information sent by the network device, where the validity indication information is used to indicate whether the resource configuration information is valid.
  • a signal triggering method wherein the method comprises:
  • the terminal device receives first downlink control information sent by the network device side for scheduling a downlink data channel, and the first downlink control information includes trigger information that triggers sending of an aperiodic CSI reference signal and / or reporting of aperiodic CSI.
  • the terminal device receives second downlink control information for scheduling an uplink data channel sent by a network device side, and the second downlink control information includes resource information reported by aperiodic CSI.
  • the method according to supplementary note 26 or 27, wherein the first downlink control information may further include resource information reported by aperiodic CSI.
  • a resource indication method wherein the method comprises:
  • the network device sends at least two pieces of downlink control information to the terminal device, where the resources indicated in the at least two pieces of downlink control information are the same, or
  • the network device side sends at least two pieces of downlink control information to the terminal device side.
  • One of the downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information.
  • Other downlink control information includes The one or more information fields used for indicating reference signal transmission and / or PDSCH resource mapping related information are not included.
  • the resource is a resource indicated by a zero-power CSI-RS trigger domain, or a resource indicated by a rate matching indicator domain, or a CSI-RS or CSI-IM indicated by a CSI request domain
  • the resource is a resource to be avoided in PDSCH mapping of the downlink control information scheduling.
  • a resource indication information wherein the method comprises:
  • the terminal device receives at least two downlink control information sent by the network device side, where the resources indicated in the at least two downlink control information are the same; or when the terminal device receives at least two downlink control information sent by the network device side, The terminal device does not expect that the resources indicated in the at least two downlink control information are different.
  • the resource is a resource indicated by a zero-power CSI-RS trigger domain, or a resource indicated by a rate matching indicator domain, or a CSI-RS or CSI-IM indicated by a CSI request domain
  • the resource is a resource to be avoided in PDSCH mapping of the downlink control information scheduling.
  • a resource indication method wherein the method includes:
  • the terminal device receives at least two downlink control information sent by the network device side, wherein at most one downlink control information includes one or more information fields for indicating reference signal transmission and / or PDSCH resource mapping related information, and other downlink control information.
  • the information field of the indication reference signal transmission and / or PDSCH resource mapping related information is not included; or, the terminal device expects that at least one downlink control information includes one or more indication reference signal transmission and / or PDSCH resource mapping related information.
  • the information field of the message is not included; or, the terminal device expects that at least one downlink control information includes one or more indication reference signal transmission and / or PDSCH resource mapping related information.
  • a signal triggering method wherein the method comprises:
  • the network device side sends at least two downlink control information for scheduling the uplink data channel to the terminal device in a time scheduling unit, and the downlink control information includes trigger information that triggers sending of aperiodic CSI reference signals and / or reporting of aperiodic CSI.
  • the unit of the time scheduling unit may be one of time slot, second, millisecond, microsecond, subframe, and symbol.
  • the network device sends setting information to the terminal device, where the setting information includes: downlink control information that the terminal device receives on a carrier or a BWP in the one time scheduling unit for scheduling an uplink channel The maximum number.
  • a signal triggering method wherein the method comprises:
  • the terminal device receives at least two downlink control information for scheduling an uplink data channel sent by the network device side in a time scheduling unit.
  • the downlink control information includes trigger information that triggers the sending of aperiodic CSI reference signals and / or the reporting of aperiodic CSI. .
  • the unit of the time scheduling unit may be one of a time slot, a second, a millisecond, a microsecond, a subframe, and a symbol.
  • the terminal device receives setting information sent by a network device, and the setting information includes: a quantity of downlink control information that the terminal device receives on a carrier or a BWP in the one time scheduling unit for scheduling an uplink channel A maximum value equal to the predetermined number.
  • a signal triggering method wherein the method includes:
  • the network device side sends the first downlink control information and the second downlink control information to the terminal device.
  • the first downlink control information includes trigger information that triggers the sending of the aperiodic CSI reference signal
  • the second downlink control information includes the trigger Trigger information for periodic CSI reporting.
  • the first downlink control information is downlink control information for scheduling uplink data channels, or downlink control information for scheduling downlink data channels
  • the second downlink control information is scheduling uplink Downlink control information of the data channel.
  • a signal triggering method wherein the method comprises:
  • the terminal device receives the first downlink control information and the second downlink control information sent by the network device.
  • the first downlink control information includes trigger information that triggers the sending of the aperiodic CSI reference signal
  • the second downlink control information includes the trigger. Trigger information for aperiodic CSI reporting.
  • the first downlink control information is downlink control information for scheduling an uplink data channel, or downlink control information for scheduling a downlink data channel
  • the second downlink control information is for scheduling an uplink Downlink control information of the data channel.
  • a signal triggering method wherein the method comprises:
  • the first transmission point or the first cell sends first information to the relay device, where the first information is one or more information fields used to indicate reference signal transmission and / or PDSCH resource mapping related information included in the downlink control information. ;
  • the first transmission point or the first cell sends instruction information to the relay device to forward the first information.
  • a signal triggering method wherein the method includes:
  • the relay device receives first information sent by a first transmission point or a first cell, where the first information is information in one or more information fields used to indicate reference signal transmission or PDSCH resource mapping included in downlink control information. ;
  • the relay device forwards the first information to a second transmission point or a second cell.
  • a signal triggering method wherein the method includes:
  • the second transmission point or the second cell receives the first information forwarded by the relay device, and the first information is one or more included in the downlink control information sent by the first transmission point or the first cell, and is used to indicate transmission of a reference signal. Or information in the information domain of PDSCH resource mapping.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne des procédés et des dispositifs de traitement de signaux, de configuration de ressource de transmission et d'activation de signal, le dispositif de traitement de signaux étant appliqué à un dispositif terminal et comprenant : une unité de traitement, qui est utilisé afin d'exécuter un premier traitement sur un signal de référence destiné à un conflit ayant lieu lorsqu'une pluralité de signaux ou de canaux qui sont configurés ou indiqués au niveau d'un côté dispositif de réseau entrent en conflit, ou lorsqu'une pluralité de signaux ou de canaux qui sont configurés ou indiqués au niveau du côté dispositif de réseau entrent en conflit et qu'une condition prédéterminée est satisfaite. Par conséquent, le problème d'un conflit ou d'un retard dans une opération multi-TRP ou multi-panneau est résolu.
PCT/CN2018/100096 2018-08-10 2018-08-10 Procédés de traitement de signaux, configuration de ressources de transmission et activation de signal et dispositifs associés Ceased WO2020029301A1 (fr)

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