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WO2025166592A1 - Systèmes et procédés pour effectuer des opérations de liaison descendante/liaison montante - Google Patents

Systèmes et procédés pour effectuer des opérations de liaison descendante/liaison montante

Info

Publication number
WO2025166592A1
WO2025166592A1 PCT/CN2024/076475 CN2024076475W WO2025166592A1 WO 2025166592 A1 WO2025166592 A1 WO 2025166592A1 CN 2024076475 W CN2024076475 W CN 2024076475W WO 2025166592 A1 WO2025166592 A1 WO 2025166592A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
slot
reception
active time
offset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/076475
Other languages
English (en)
Inventor
Ziyang Li
Nan Zhang
Wei Cao
Fangyu CUI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to PCT/CN2024/076475 priority Critical patent/WO2025166592A1/fr
Publication of WO2025166592A1 publication Critical patent/WO2025166592A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • H04B7/06968—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping using quasi-colocation [QCL] between signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Definitions

  • the disclosure relates generally to wireless communications, including but not limited to systems and methods for performing downlink/uplink operations.
  • example embodiments disclosed herein are directed to solving the issues relating to one or multiple of the problems presented in the prior art, as well as providing additional features that will become readily apparent by reference to the following detailed description when taken in conjunction with the accompany drawings.
  • example systems, methods, devices and computer program products are disclosed herein. It is understood, however, that these embodiments are presented by way of example and are not limiting, and it will be apparent to those of ordinary skill in the art who read the present disclosure that various modifications to the disclosed embodiments can be made while remaining within the scope of this disclosure.
  • the wireless communication device can receive one or more candidate timing configurations via a first signaling (e.g., RRC or MAC CE signaling) from a wireless communication node (e.g., BS) .
  • a first signaling e.g., RRC or MAC CE signaling
  • the wireless communication device can receive an indication of the timing configuration, from the one or more candidate timing configurations, from the wireless communication node via a second signaling.
  • the second signaling may include an indication of at least one of the following: the type or the index of the timing configuration.
  • the indication may include at least one of the following: at least one cell-specific parameter or at least one user equipment (UE) specific parameter (e.g., ServingCellConfig, ServingCellConfigCommon, ServingCellConfigCommonSIB) ; at least one UE group specific parameter; at least one uplink (UL) parameter (e.g., BWP-Uplink, BWP-UplinkCommon, BWP-UplinkDedicated) or at least one downlink (DL) parameter (e.g., BWP-Downlink, BWP-DownlinkCommon, BWP-DownlinkDedicated) ; at least one parameter (e.g., the index of active/inactive time configuration for PDSCH reception may be included in at least one of PDSCH-Config, PDSCH-ConfigCommon, PDSCH-ServingCellConfig; the index of active/inactive time configuration for PDCCH reception may be included in at least one of PDCCH-Config, PDCCH-ConfigComm
  • each group corresponding to at least one UE group-specific parameter can be determined by at least one of the following: UE reported location; a beam provided/applied/allocated/used in the initial access stage; or a synchronization signal block (SSB) index to obtain a master information block (MIB) in the initial access stage.
  • the indication may include an identifier (ID) of a group of UEs, or the indication may include at least one UE group-specific parameter for a plurality of groups of UEs indicated sequentially in one or more fields.
  • the one or more candidate timing configurations may include at least one of the following: a first timing configuration associated with all signals, channels, or reference signals in downlink reception, and/or a second timing configuration associated with all signals, channels, or reference signals in uplink transmission; a plurality of timing configurations each associated with a respective signal, channel, or reference signal; or a plurality of lists of timing configurations, with each timing configuration associated with a respective signal, channel, or reference signal.
  • At least one parameter of the transmission may include at least one of the following: an index, a start time, a periodicity, an offset, or a duration, related to the active time or the inactive time.
  • a downlink control information (DCI) scheduling a transmission may indicate at least one of the following: an index of the timing configuration, where at least one parameter of the timing configuration is configured via a radio resource control (RRC) signaling; an index of the timing configuration via a time domain resource allocation (TDRA) field of the DCI signaling, where at least one parameter of the timing configuration is configured via an RRC signaling; at least one parameter of the timing configuration; or an index of the timing configuration via a TDRA field of the DCI signaling, where at least one parameter of the timing configuration is configured via a TDRA table in an RRC signaling.
  • RRC radio resource control
  • TDRA time domain resource allocation
  • the wireless communication device can determine the timing configuration for the second signal according to the timing configuration of a reference signal that has a quasi co-location (QCL) relationship with the second signal.
  • QCL quasi co-location
  • an occasion of the signal can be valid if the occasion is within the active time associated with the timing configuration.
  • the reception time of the first signal and the transmission or reception time of the second signal in slot n+k can be within the same active time.
  • n indicates a slot number of a reception slot of the first signal, and/or k is an offset between the first signal and the second signal.
  • the first slot of the second signal can be within the slot n+deltaK+k.
  • n indicates a slot number of the last reception slot of the first signal, deltaK is an offset component where n+deltaK indicates a reference slot with subcarrier spacing (SCS) configuration of the first signal, and/or k is an offset between the reference slot and the first slot of the second signal.
  • SCS subcarrier spacing
  • the transmission or reception of the second signal can be performed at a different active time from the reception of first signal.
  • the transmission or reception of the second signal is performed within one or more active times, e.g., across 2 different active times, the first part of the second signal can be in a first active time and/or the second part of second signal can be in a second active time.
  • the transmission or reception time of the first part of the second signal can be determined by the reception time of the first signal.
  • a first slot of a first part of the second signal can be in slot n+k+deltaK1, where at least one of: n indicates a slot number of a last reception slot of a first signal, slot n+k is a reference slot, k is an offset between slot n and the reference slot, and deltaK1 is an offset between the reference slot and the first slot of the first part of the second signal.
  • the first slot of the second part of the second signal can be in slot n + K_offset, where n is the last slot for the transmission or reception of the first part of the second signal and the K_offset is determined by the timing configuration from the wireless communication node.
  • the first slot of the second part of the second signal can be in slot n, where n is the first available slot for the transmission or reception in the active time after the first part of the second signal.
  • the first slot of the second part of the second signal can be in the slot n+offset, where n is the first available slot for the transmission or reception in the active time after the first part of the second signal and/or offset is determined by the timing configuration from the wireless communication node or the capability report of the wireless communication device.
  • a first slot of a second part of the second signal can be within slot n+k+deltaK1+deltaN+deltaK2, where n indicates a slot number of a last reception slot of a first signal, slot n+k is a reference slot, k is an offset between slot n and the reference slot, deltaK1 is an offset between the reference slot and the first slot of first part of the second signal with a subcarrier spacing (SCS) configuration of the second signal, deltaN is a number of slots in the first part of the second signal, or deltaK2 is an offset component where deltaK1+deltaN+deltaK2 is an offset between the reference slot and the first slot of the second part of the second signal with a SCS configuration of the second signal.
  • SCS subcarrier spacing
  • each of deltaK1 and deltaK2 can be determined using at least one of the following: a periodicity of Type 1 active time, a periodicity of Type 2 active time, an offset between a start point of the Type 1 active time and a start point of the Type 2 active time, a duration of the Type 1 active time, or a duration of the Type 2 active time, one or more of which may be indicated in at least one of the following: system information, a radio resource control signaling, or a medium access control control element (MAC CE) signaling.
  • deltaK1 and deltaK2 can be indicated in one or more fields of downlink control information (DCI) signaling or in one or more parameters of a radio resource control (RRC) signaling.
  • DCI downlink control information
  • RRC radio resource control
  • deltaK1 can be equal to an offset between a start point of the Type 1 active time and a start point of the Type 2 active time, minus a duration of the Type 1 active time.
  • deltaK2 can be equal to a periodicity of the Type 2 active time minus a duration of the Type 2 active time. In certain implementations, where a repetition crosses a boundary of an end of the active time, the repetition may not be included in the first part of the second signal, and/or a slot corresponding to the repetition may not be counted in deltaN.
  • system of the technical solution disclosed herein can support performing downlink/uplink operations, according to at least one of the following example configurations (e.g., features or solutions) :
  • Example configuration 1 Scheduling adjustments when a first signal and a second signal share the same type of active time.
  • Example configuration 2 Scheduling adjustments when a first signal and a second signal have different types of active time.
  • FIG. 1 illustrates an example cellular communication network in which techniques disclosed herein may be implemented, in accordance with an embodiment of the present disclosure
  • FIG. 2 illustrates a block diagram of an example base station and a user equipment device, in accordance with some embodiments of the present disclosure
  • FIG. 4 illustrates an example arrangement/configuration of a non-terrestrial network, in accordance with some embodiments of the present disclosure
  • FIG. 6 illustrates another example implementation of a scheduling scenario where a first signal and a second signal share the same type of active time, in accordance with some embodiments of the present disclosure
  • FIG. 7 illustrates another example implementation of a scheduling scenario where a first signal and a second signal share the same type of active time, in accordance with some embodiments of the present disclosure
  • FIG. 10 illustrates an example implementation of a scheduling scenario where a first signal and a second signal share different types of active time, in accordance with some embodiments of the present disclosure
  • FIG. 11 illustrates another example implementation of a scheduling scenario where a first signal and a second signal share different types of active time, in accordance with some embodiments of the present disclosure
  • FIG. 12 illustrates another example implementation of a scheduling scenario where a first signal and a second signal share different types of active time, in accordance with some embodiments of the present disclosure
  • FIG. 13 illustrates an example implementation of an activated wide beam excluding activated narrow beams, in accordance with some embodiments of the present disclosure
  • FIG. 14 illustrates an example implementation of an activated downlink area excluding activated uplink areas, in accordance with some embodiments of the present disclosure
  • FIG. 15 illustrates another example implementation of a scheduling scenario where a first signal and a second signal are associated with different types of active time, in accordance with some embodiments of the present disclosure
  • FIG. 16 illustrates another example implementation of a scheduling scenario where a first signal and a second signal are associated with different types of active time, in accordance with some embodiments of the present disclosure
  • FIG. 17 illustrates an example implementation of a timing scenario, in accordance with some embodiments of the present disclosure
  • FIG. 18 illustrates another example implementation of a timing scenario, in accordance with some embodiments of the present disclosure.
  • FIG. 20 illustrates an example implementation of a timing scenario, in accordance with some embodiments of the present disclosure
  • FIG. 21 illustrates another example implementation of a timing scenario, in accordance with some embodiments of the present disclosure.
  • FIG. 22 illustrates another example implementation of a timing scenario, in accordance with some embodiments of the present disclosure
  • FIG. 23 illustrates another example implementation of a timing scenario, in accordance with some embodiments of the present disclosure.
  • FIG. 25 illustrates a flow diagram of an example method for performing downlink/uplink operations, in accordance with an embodiment of the present disclosure.
  • FIG. 1 illustrates an example wireless communication network, and/or system, 100 in which techniques disclosed herein may be implemented, in accordance with an embodiment of the present disclosure.
  • the wireless communication network 100 may be any wireless network, such as a cellular network or a narrowband Internet of things (NB-IoT) network, and is herein referred to as “network 100.
  • NB-IoT narrowband Internet of things
  • Such an example network 100 includes a base station 102 (hereinafter “BS 102” ; also referred to as wireless communication node) and a user equipment device 104 (hereinafter “UE 104” ; also referred to as wireless communication device) that can communicate with each other via a communication link 110 (e.g., a wireless communication channel) , and a cluster of cells 126, 130, 132, 134, 136, 138 and 140 overlaying a geographical area 101.
  • the BS 102 and UE 104 are contained within a respective geographic boundary of cell 126.
  • Each of the other cells 130, 132, 134, 136, 138 and 140 may include at least one base station operating at its allocated bandwidth to provide adequate radio coverage to its intended users.
  • the BS 102 may operate at an allocated channel transmission bandwidth to provide adequate coverage to the UE 104.
  • the BS 102 and the UE 104 may communicate via a downlink radio frame 118, and an uplink radio frame 124 respectively.
  • Each radio frame 118/124 may be further divided into sub-frames 120/127 which may include data symbols 122/128.
  • the BS 102 and UE 104 are described herein as non-limiting examples of “communication nodes, ” generally, which can practice the methods disclosed herein. Such communication nodes may be capable of wireless and/or wired communications, in accordance with various embodiments of the present solution.
  • FIG. 2 illustrates a block diagram of an example wireless communication system 200 for transmitting and receiving wireless communication signals (e.g., OFDM/OFDMA signals) in accordance with some embodiments of the present solution.
  • the system 200 may include components and elements configured to support known or conventional operating features that need not be described in detail herein.
  • system 200 can be used to communicate (e.g., transmit and receive) data symbols in a wireless communication environment such as the wireless communication environment 100 of FIG. 1, as described above.
  • the System 200 generally includes a base station 202 (hereinafter “BS 202” ) and a user equipment device 204 (hereinafter “UE 204” ) .
  • the BS 202 includes a BS (base station) transceiver module 210, a BS antenna 212, a BS processor module 214, a BS memory module 216, and a network communication module 218, each module being coupled and interconnected with one another as necessary via a data communication bus 220.
  • the UE 204 includes a UE (user equipment) transceiver module 230, a UE antenna 232, a UE memory module 234, and a UE processor module 236, each module being coupled and interconnected with one another as necessary via a data communication bus 240.
  • the BS 202 communicates with the UE 204 via a communication channel 250, which can be any wireless channel or other medium suitable for transmission of data as described herein.
  • the UE transceiver 230 may be referred to herein as an “uplink” transceiver 230 that includes a radio frequency (RF) transmitter and a RF receiver each comprising circuitry that is coupled to the antenna 232.
  • a duplex switch (not shown) may alternatively couple the uplink transmitter or receiver to the uplink antenna in time duplex fashion.
  • the BS transceiver 210 may be referred to herein as a “downlink” transceiver 210 that includes a RF transmitter and a RF receiver each comprising circuity that is coupled to the antenna 212.
  • a downlink duplex switch may alternatively couple the downlink transmitter or receiver to the downlink antenna 212 in time duplex fashion.
  • the operations of the two transceiver modules 210 and 230 may be coordinated in time such that the uplink receiver circuitry is coupled to the uplink antenna 232 for reception of transmissions over the wireless transmission link 250 at the same time that the downlink transmitter is coupled to the downlink antenna 212. Conversely, the operations of the two transceivers 210 and 230 may be coordinated in time such that the downlink receiver is coupled to the downlink antenna 212 for reception of transmissions over the wireless transmission link 250 at the same time that the uplink transmitter is coupled to the uplink antenna 232. In some embodiments, there is close time synchronization with a minimal guard time between changes in duplex direction.
  • the BS 202 may be an evolved node B (eNB) , a serving eNB, a target eNB, a femto station, or a pico station, for example.
  • eNB evolved node B
  • the UE 204 may be embodied in various types of user devices such as a mobile phone, a smart phone, a personal digital assistant (PDA) , tablet, laptop computer, wearable computing device, etc.
  • PDA personal digital assistant
  • the processor modules 214 and 236 may be implemented, or realized, with a general purpose processor, a content addressable memory, a digital signal processor, an application specific integrated circuit, a field programmable gate array, any suitable programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof, designed to perform the functions described herein.
  • a processor may be realized as a microprocessor, a controller, a microcontroller, a state machine, or the like.
  • a processor may also be implemented as a combination of computing devices, e.g., a combination of a digital signal processor and a microprocessor, a plurality of microprocessors, one or multiple microprocessors in conjunction with a digital signal processor core, or any other such configuration.
  • the steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in firmware, in a software module executed by processor modules 214 and 236, respectively, or in any practical combination thereof.
  • the memory modules 216 and 234 may be realized as RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
  • memory modules 216 and 234 may be coupled to the processor modules 210 and 230, respectively, such that the processors modules 210 and 230 can read information from, and write information to, memory modules 216 and 234, respectively.
  • the network communication module 218 generally represents the hardware, software, firmware, processing logic, and/or other components of the base station 202 that enable bi-directional communication between base station transceiver 210 and other network components and communication nodes configured to communicate with the base station 202.
  • network communication module 218 may be configured to support internet or WiMAX traffic.
  • network communication module 218 provides an 802.3 Ethernet interface such that base station transceiver 210 can communicate with a conventional Ethernet based computer network.
  • the network communication module 218 may include a physical interface for connection to the computer network (e.g., Mobile Switching Center (MSC) ) .
  • MSC Mobile Switching Center
  • the Open Systems Interconnection (OSI) Model (referred to herein as, “open system interconnection model” ) is a conceptual and logical layout that defines network communication used by systems (e.g., wireless communication device, wireless communication node) open to interconnection and communication with other systems.
  • the model is broken into seven subcomponents, or layers, each of which represents a conceptual collection of services provided to the layers above and below it.
  • the OSI Model also defines a logical network and effectively describes computer packet transfer by using different layer protocols.
  • the OSI Model may also be referred to as the seven-layer OSI Model or the seven-layer model.
  • a first layer may be a physical layer.
  • a second layer may be a Medium Access Control (MAC) layer.
  • MAC Medium Access Control
  • a third layer may be a Radio Link Control (RLC) layer.
  • a fourth layer may be a Packet Data Convergence Protocol (PDCP) layer.
  • PDCP Packet Data Convergence Protocol
  • a fifth layer may be a Radio Resource Control (RRC) layer.
  • a sixth layer may be a Non-Access Stratum (NAS) layer or an Internet Protocol (IP) layer, and the seventh layer being the other layer.
  • NAS Non-Access Stratum
  • IP Internet Protocol
  • NTN non-terrestrial networks
  • beam hopping can be used to facilitate coverage of a huge area with limited simultaneous beams, and coverage availability based on beam sweeping periodicity can be adaptive to the traffic load of different areas.
  • the whole footprint of a satellite can be very large.
  • a typical low-earth orbit (LEO) satellite with a 600km orbit height can cover a circular area with a radius of approximately 1000km, with a minimum elevation angle of 30 degrees.
  • the footprint of a single beam in terrestrial networks can be limited by design.
  • the maximum radius of a beam can be 100km due to the physical random access channel (PRACH) cyclic prefix (CP) length limitation.
  • PRACH physical random access channel
  • CP cyclic prefix
  • beam hopping may result in beam active time, in which the UE can be expected to transmit or receive the data, and the beam active time can impact the existing determination method of data transmission/reception time.
  • a method of DL/UL operation can be used for the TN and/or NTN network (s) .
  • the link between the user equipment (UE) and the satellite is a service link.
  • the link between the base station (BS) and the satellite is a feeder link and can be common for all UEs within the same cell.
  • a repeater e.g., NCR
  • RIS reconfigurable intelligent surfaces
  • the common signal from the BS can be forwarded by the repeater, or RIS, using beam hopping.
  • network energy savings (NES) can be considered by a BS that uses beam hopping to serve low-traffic areas or during off-peak hours.
  • a “beam” can be a spatial filter, an associated RS with a QCL relationship, or a beam index for a communication node.
  • the communication node can be a network node or a terminal.
  • the data channel transmission/reception time can be determined by a downlink control information (DCI) signaling’s reception slot and a K value indicated in the telecommunications and digital government regulatory authority (TDRA) field of the DCI signaling.
  • DCI downlink control information
  • TDRA digital government regulatory authority
  • this determination may not consider beam hopping, which can result in periodic or aperiodic beam active time.
  • the active time pattern can have an impact on the determination of data transmission/reception time.
  • the K values may include several parameters, including, but not limited to:K0 indicating the slot offset between DCI (e.g., DCI signaling) and its scheduled PDSCH (physical downlink shared channel) transmission; K1 indicating the slot offset between PDSCH and a corresponding HARQ ACK (hybrid automatic repeat request acknowledgement) feedback; or K2 indicating the slot offset between DCI and its scheduled PUSCH transmission.
  • the control channel transmission/reception can use a wide beam, and the data channel transmission/reception can use a narrow beam.
  • the scheduling of data transmission/reception may not be under the same beam active time due to beam hopping.
  • an active time can be defined as the time/period when the service is available to a certain UE/cell or beam. Additionally, in certain implementations, the active time can refer to the serving time, beam active time, or activated time ON-duration, among others.
  • a satellite may serve a huge area with beam hopping, where one cell or one UE may be served within the active time when the corresponding beam is available (e.g., switched on or hopped) to such an area, cell, or UE.
  • the active time may be periodic; for example, the active time pattern can be certain/consistent/stable/predicted over a relatively long period of time.
  • the active time may be aperiodic, such as when the traffic is unexpected/unpredictable, and no certain/consistent pattern can be maintained.
  • the inactive time can be defined as the time/period when the service is not available to a certain UE/cell or beam. Additionally, in certain implementations, the inactive time can refer to sleep time, beam inactive time, de-activated time, or OFF-duration, among others. In certain implementations (e.g., varying traffic conditions) , the inactive time may be periodic; for example, the inactive time pattern can be certain/consistent over a relatively long time. In certain implementations, the inactive time may be aperiodic, such as when the traffic is unexpected/unpredictable, and no certain/consistent pattern can be maintained. In certain implementations, within the inactive time, the UE may not be expected to transmit and/or receive. In some implementations, the transmission and/or reception may be canceled. In some implementations, the transmission and/or reception may be postponed.
  • the active time may include different categories, including, but not limited to, Type 1 and Type 2.
  • the category of the types can be based on at least one of the DL/UL configurations, the signal/channel (e.g., common or UE-specific) , or the beam width/type (e.g., narrow beam or wide beam) .
  • Type 1 or Type 2 can be associated with the control channel/signal, e.g., PDCCH reception (e.g., by the UE or wireless communication device) and/or PUCCH transmission (e.g., by the UE or wireless communication device) .
  • Type 1 or Type 2 can be associated with the data/shared channel, e.g., the PDSCH reception and/or the PUSCH transmission.
  • Type 1 can be associated with DCI reception, and/or Type 2 can be associated with PDSCH reception or PUSCH transmission.
  • Type 1 can be associated with PDSCH reception, and/or Type 2 can be associated with HARQ ACK feedback transmission (e.g., by the UE or wireless communication device) .
  • Type 1 or Type 2 can be associated with the reception of DL information (e.g., DCI, PDSCH, SSB, etc. ) (e.g., reception by the UE or wireless communication device) .
  • Type 1 or Type 2 can be associated with the transmission of the UL signal (e.g., PUCCH, SRS, PUSCH, PRACH, etc. ) (e.g., transmission by the UE or wireless communication device) .
  • Type 1 or Type 2 can be associated with a wide beam, or Type 1 or Type 2 can be associated with a narrow beam.
  • the timing configuration may include a configuration of the time domain resource (e.g., start, duration) , during which the UE will perform DL reception or UL transmission.
  • the time domain resource e.g., start, duration
  • Type-1 can be defined for UL transmission
  • Type-2 can be defined for DL reception.
  • only one of these types of timing configurations can be defined, and the other/undefined type can be regarded as the default behavior or the normal assumption.
  • the reception of the control channel or PDCCH can be determined by the timing configuration indicated by a parameter name. This implies/indicates that other than the control channel or PDCCH, other signals or channels may follow legacy or default behavior.
  • the reception of the control channel, or PDCCH, which is quasi co-located (QCLed) with SSB-1 can follow the timing configuration as indicated by a parameter name.
  • the reception of DL signals or channels can be determined by the timing configuration as indicated by a parameter name. This implies that UL transmission may follow legacy or default behavior.
  • the descriptions of the aforementioned types are provided/configured merely as examples. There could be instances where one type or multiple types are defined. For example, this may include one type for a common control channel/signal, another type for a UE-specific control channel/signal, a type for group common data, a type for broadcast data, a type for UE-specific data, and so forth.
  • the process of defining signaling to obtain one or more types of active/inactive time may include at least one of the following options/implementations. For instance, in certain options/implementations (such as Option 1) , the signaling can be explicitly indicated. Additionally, in certain implementations (e.g., a Sub-Case 0) , the index (es) and/or type can be included in the per-cell or per-UE configuration. For example, in certain implementations, the index of active/inactive time configuration may be included in at least one of following fields/parameters: ServingCellConfig, ServingCellConfigCommon, or ServingCellConfigCommonSIB.
  • each index may refer to the configuration of active/inactive time configured by dedicated signaling (e.g., RRC or MAC CE) , where the configuration of active/inactive time may include at least one of a periodicity, an offset (e.g., ms level, slot offset, and/or symbol offset) , or a duration (e.g., ms level, slot level, and/or symbol level) of active time.
  • periodicity and offset can be combined into one parameter.
  • the configuration of active/inactive time may be included in the same information element (IE) as the index, or the configuration of active/inactive time may be included in a separate IE from the index.
  • IE information element
  • each list up to N configurations may be assumed, with each configuration corresponding to one signal/channel/RS.
  • ⁇ Index n ⁇ can be associated with the target channel/RS, e.g., ⁇ Index 1 ⁇ is for PDSCH reception and/or ⁇ Index 3 ⁇ is for CSI-RS reception.
  • one or more lists of active/inactive time configurations can be configured (e.g., each list corresponding to one type) .
  • up to N configurations can be assumed, with each configuration corresponding to one signal/channel/RS.
  • ⁇ Type-X, Index n ⁇ can be associated with the target channel/RS, e.g., ⁇ Type-1, Index 1 ⁇ is for PDSCH reception and/or ⁇ Type-2, Index 3 ⁇ is for CSI-RS reception.
  • the index (es) and/or type can be included in the configuration of a signal/channel/RS, e.g., the index of active/inactive time configuration for PDSCH reception may be included in at least one of PDSCH-Config, PDSCH-ConfigCommon, or PDSCH-ServingCellConfig.
  • the index of active/inactive time configuration for PDCCH reception may be included in at least one of following parameters/fields: PDCCH-Config, PDCCH-ConfigCommon, PDCCH-ConfigSIB1, or PDCCH-ServingCellConfig.
  • the signaling of active/inactive time can be included in the configuration of a transmission; for example, the parameters of active/inactive time configuration for a specific PDSCH reception can be included in the DCI scheduling the specific PDSCH reception.
  • the parameters of active/inactive time configuration for a specific PUSCH transmission can be included in the TDRA table in RRC signaling/configuration, which may be indicated by a TDRA field in the DCI scheduling the specific PUSCH transmission.
  • the parameters of active/inactive time configuration may include at least one of the following: an index, a start time (e.g., hyper SFN index, SFN index, slot index, symbol index, or ms) , a periodicity, an offset (e.g., ms level, slot offset, and/or symbol offset) , or a duration (e.g., ms level, slot level, and/or symbol level) of active time.
  • a start time e.g., hyper SFN index, SFN index, slot index, symbol index, or ms
  • a periodicity e.g., ms level, slot offset, and/or symbol offset
  • duration e.g., ms level, slot level, and/or symbol level
  • an index can be included in the DCI signaling.
  • the parameters which may include at least one of a periodicity, an offset, or a duration, correspond to the configuration of active/inactive time and are included in the RRC signaling/configuration.
  • an index can be included in the TDRA table (e.g., in each row) in RRC, and the TDRA field in the DCI can be used to indicate the corresponding index.
  • the CORESET control resource set
  • a RS e.g., CSI-RS-X or SSB-X
  • the reception of control signaling e.g., DCI signaling
  • the PUCCH transmission is assumed to be QCLed with a RS, e.g., CSI-RS-X or SSB-X, which can be obtained via the spatial-relationship configuration or TCI indication
  • the transmission of the PUCCH is to follow the active time/inactive time of RS.
  • beam hopping with an active time pattern can impact periodic signals, such as PRACH, SSB, configured grant PUSCH transmission, periodic SRS, periodic CSI-RS, or SPS transmission.
  • periodic signals such as PRACH, SSB, configured grant PUSCH transmission, periodic SRS, periodic CSI-RS, or SPS transmission.
  • an adjustment for the periodic signals could be that the occasion of the periodic signals is valid (e.g., the periodic signal can be transmitted by the BS or UE) if the occasion falls within the active time. Otherwise, the occasion is invalid (e.g., the BS or UE cannot or would not transmit the periodic signal) .
  • the UE may determine the transmission/reception time of a second signal according to the reception time of the first signal and/or additional configuration (e.g., active/inactive time) .
  • additional configuration e.g., active/inactive time
  • the types of first signal and second signal may include at least one of the following combinations:
  • the first signal and/or the second signal may share the same type of active time.
  • the first signal reception and/or the second signal transmission/reception can be within the same beam active time, as shown in FIG. 5.
  • the first signal reception can be within the first active time and/or the second signal transmission/reception can be at a second active time after a time interval between the end of the first active time and the start of the second active time, as shown in FIG. 6.
  • the original scheduling mechanism such as k0, k1, or k2 may not cover the time duration between the two signals.
  • an additional indication related to the time interval between the end of the first active time and the start of the second active time may be defined/required.
  • the first signal reception and/or the first part of the second signal transmission/reception can be within the first beam active time.
  • the second part of the second signal transmission/reception can be at a different active time after a time interval between the end of the first active time and the start of the second active time, as shown in FIG. 7.
  • the examples may include, but are not limited to, DCI signaling scheduling one PUSCH transmission with multiple repetitions, DCI signaling scheduling one PDSCH transmission with multiple repetitions, DCI signaling scheduling multiple PUSCH transmissions, or DCI scheduling multiple PDSCH transmissions.
  • the start time of the second part of the second signal is to be determined by considering the time interval between the end of the first active time and the start of the second active time.
  • the Type 2 active time can be within the Type 1 active time.
  • the Type 1 active time For example, within each activated wide beam, there may be one or more narrow beams.
  • the Type 2 active time can be within the Type 1 active time.
  • eight (or any number of positive integers) beams can be activated simultaneously, among which two beams can be wide beams and/or six beams can be narrow beams.
  • FIG. 9 within each active DL area, there can be one or more active UL areas.
  • the first signal reception and/or the second signal transmission/reception can be within the same Type 1 active time, as shown in FIG. 10. In such instances, the legacy scheduling mechanism can be reused.
  • the first signal reception can be within a first Type 1 active time
  • the second signal transmission/reception can be within a second Type 2 active time after a time interval between the end of the first Type 1 active time and the start of the second Type 2 active time, as shown in FIG. 11.
  • Case 2-1b may have a similar issue to that of Case 1-2. However, the difference is that in Case 2-1b, the start time of the second signal is to consider the time interval between the end of the first Type 1 active time and/or the start of the second Type 2 active time.
  • the first signal reception and/or the first part of the second signal transmission/reception can be within the first Type 1 active time, as shown in FIG. 12.
  • the second part of the second signal transmission/reception can be in a second Type 2 active time, following a time interval between the end of the first Type 1 active time and/or the start of the second Type 2 active time.
  • Case 2-1c may have a similar issue to that of Case 1-3. However, the difference is that in Case 2-1c, the start time of the second part of the second signal is to consider the time interval between the end of the first Type 1 active time and the start of the second Type 2 active time.
  • the Type 2 active time may not be within the Type 1 active time.
  • the activated wide beams may not cover the activated narrow beams.
  • the active DL area may not cover active UL areas.
  • the first signal reception can be within the Type 1 active time, and/or the second signal transmission/reception can be within the Type 2 active time, following a time interval between the end of the first Type 1 active time and the start of the first Type 2 active time, as shown in FIG. 15.
  • Case 2-2a may have a similar issue to that of Case 1-2. However, the difference is that in Case 2-2a, the start time of the second signal is to consider the time interval between the end of the first Type 1 active time and the start of the first Type 2 active time.
  • the first signal reception can be within the first Type 1 active time
  • the first part of the second signal transmission/reception can be within the first Type 2 active time, following a first time interval between the end of the first Type 1 active time and the start of the first Type 2 active time, as shown in FIG. 16.
  • the second part of the second signal transmission/reception can be within the second Type 2 active time, following a second time interval between the start of the first Type 2 active time and the start of the second Type 2 active time.
  • Case 2-2b may have a similar issue to that of Case 1-3.
  • the start time of the first part of the second signal is to consider the first time interval between the end of the first Type 1 active time and the start of the first Type 2 active time.
  • the start time of the second part of the second signal is to consider the second time interval between the end of the first Type 2 active time and the start of the second Type 2 active time.
  • the reception time of first signal can be restricted such that the transmission/reception time of the second signal in slot n+k is within the first active time, where n is the reception slot of first signal and k is the offset between first and second signals.
  • the BS is to guarantee that the transmission/reception time of the second signal is within the first active time so that the legacy scheduling mechanism can be reused to determine the transmission/reception time of the second signal.
  • the drawback may be that the aforementioned option reduces that scheduling complexity.
  • TDD time division duplex
  • the potential cases can refer to Case 1-1 or Case 2-1a.
  • the DCI signaling can be restricted to the first several slots of active time so that the determined PUSCH transmission slot n+k2, based on the indicated offset k2 and the DCI signaling's reception slot n, is within the same active time in which the DCI signaling is received.
  • the DCI signaling can be restricted to the first several slots of active time so that the determined PDSCH transmission slot n+k0, based on the indicated offset k0 and the DCI reception slot n, is within the same active time in which the DCI is received.
  • the PDSCH reception can be restricted to the first several slots of active time so that the determined HARQ ACK feedback transmission slot n+k1, based on indicated offset k1 and the DCI reception slot n, is within the same active time in which the DCI signaling is received.
  • the first slot of the second signal is in slot n+deltaK+k, where n is the last reception slot of the first signal and n+deltaK is the reference slot with the SCS configuration of the first signal.
  • the definition of k can be changed to represent the offset between the reference slot and the first slot of the second signal.
  • a and b are intermediate variables, a is the number of slots between the reception slot n and the end slot of the first active time, and b is the number of slots between the start slot of the second active time and the transmission/reception slot of the second signal.
  • the potential cases can refer to Case 1-2, Case 2-1b, or Case 2-2a.
  • the length of deltaK is equal to the length of the time interval between the end of the first active time and the start of the second active time.
  • the length of deltaK is equal to the length of the time interval between the end of the first Type 1 active time and the start of the second Type 2 active time.
  • the length of deltaK is equal to the length of the time interval between the end of the first Type 1 active time and the start of the first Type 2 active time.
  • deltaK can be derived from at least one of a periodicity, an offset (in some implementations, periodicity and offset can be combined into one parameter) , or a duration of active/inactive time (or the pattern of active/inactive time) .
  • the parameters may be indicated in at least one of the system information, RRC signaling, or MAC CE signaling.
  • deltaK (or the time interval) can be equal to the periodicity of active time minus the duration of active time.
  • FIG. 18 based on Case 1
  • deltaK (or the time interval) can be equal to the periodicity of Type 2 active time minus the duration of Type 2 active time.
  • deltaK (or the time interval 1) can be equal to the offset between Type 1 and Type 2 active time minus the duration of Type 1 active time.
  • deltaK can be directly indicated in DCI signaling as a DCI field or indicated in the RRC parameter/signaling as part of the TDRA table.
  • deltaK can be equal to 0, with the condition that n+k is within the active time or the Type 2 active time.
  • the UE can transmit the first slot of the PUSCH transmission in slot n+deltaK+k2, where n is the reception slot of DCI signaling and n+deltaK is the reference slot with the SCS configuration of the DCI signaling.
  • the definition of k2 can be changed to represent the offset between the reference slot and the first slot of PUSCH transmission.
  • the UE can receive the first slot of PDSCH in slot n+deltaK+k0, where n is the reception slot of DCI signaling and n+deltaK is the reference slot with the SCS configuration of the DCI signaling.
  • the definition of k0 can be changed to represent the offset between the reference slot and the first slot of PDSCH transmission.
  • the UE can transmit the first slot of PUCCH transmission (or HARQ ACK feedback) in slot n+deltaK+k1, where n is the last reception slot of PDSCH transmission and n+deltaK is the reference slot with the SCS configuration of PDSCH transmission.
  • the definition of k1 can be changed to represent the offset between the reference slot and the first slot of PUCCH transmission.
  • the first slot of the second signal can be in slot n+k+deltaK, where n is the last reception slot of the first signal and slot n+k is the reference slot.
  • the definition of k can be changed to represent the offset between the slot n and the reference slot.
  • deltaK can be defined as representing the offset between the reference slot and the first slot of the second signal, with the SCS configuration of the second signal.
  • a and b are intermediate variables, a is the number of slots between the reception slot n and the end slot of the first active time, and b is the number of slots between the start slot of the second active time and the transmission/reception slot of the second signal.
  • the potential cases can refer to Case 1-2, Case 2-1b, or Case 2-2a, similar to those described herein for Option 2.
  • combination 1 where UE receives DCI signaling in slot n, the UE can transmit the first slot of PUSCH transmission in slot n+deltaK+k2, where n is the reception slot of DCI signaling and slot n+k2 is the reference slot.
  • the definition of k2 can be changed to represent the offset between the slot n and the reference slot.
  • deltaK can be defined as representing the offset between the reference slot and the first slot of second signal, with the SCS configuration of PUSCH.
  • the UE can receive the first slot of PDSCH transmission in slot n+deltaK+k0, where n is the reception slot of DCI signaling and slot n+k0 is the reference slot.
  • the definition of k0 can be changed to represent the offset between the slot n and the reference slot.
  • deltaK can be defined as representing the offset between the reference slot and the first slot of the second signal, with the SCS configuration of PDSCH transmission.
  • the UE can transmit the first slot of PUCCH transmission (or HARQ ACK feedback) in slot n+deltaK+k1, where n is the last reception slot of PDSCH transmission and slot n+k1 is the reference slot.
  • the definition of k1 can be changed to represent the offset between the slot n and the reference slot.
  • deltaK can be defined as representing the offset between the reference slot and the first slot of the second signal, with the SCS configuration of PUCCH transmission.
  • the first slot of the second part of second signal can be in slot n+k+deltaK+deltaN, where n is the last reception slot of the first signal and slot n+k is the reference slot.
  • the definition of k can be changed to represent the offset between the slot n and the reference slot.
  • deltaN can be the number of slots in the first part of the second signal.
  • deltaN+deltaK can be defined as representing the offset between the reference slot and the first slot of the second part of second signal, with the SCS configuration of the second signal.
  • the potential cases can refer to Case 1-3 or Case 2-1c.
  • the length of deltaK is equal to the length of the time interval between the end of the first active time and the start of the second active time.
  • the length of deltaK is equal to the length of the time interval between the end of the first Type 1 active time and the start of the second Type 2 active time.
  • the factors determining deltaK can be the same as those described for Option 2.
  • the repetition may not be included in the first part of the second signal, and the corresponding slot may not be counted in deltaN.
  • the PUSCH/PDSCH transmission may not be included in the first part of the second signal, and the corresponding slot may not be counted in deltaN.
  • the UE can transmit the first slot of the first part of PUSCH transmission in slot n+k.
  • the UE can transmit the first slot of the second part of PUSCH in slot n+k2+deltaK+deltaN, where n is the reception slot of DCI and slot n+k2 is the reference slot.
  • the definition of k2 can be changed to represent the offset between the slot n and the reference slot.
  • deltaN can be the number of slots in the first part of PUSCH transmission
  • deltaN+deltaK can be defined as representing the offset between the reference slot and the first slot of the second part of PUSCH, with the SCS configuration of PUSCH transmission.
  • the first slot of the first part of second signal is in slot n+k+deltaK1
  • the first slot of the second part of second signal can be in slot n+k+deltaK1+deltaN+deltaK2, where n is the last reception slot of first signal and slot n+k is the reference slot.
  • the definition of k can be changed to represent the offset between the slot n and the reference slot.
  • deltaK1 can be the offset between the reference slot and the first slot of the first part of second signal, with the SCS configuration of the second signal.
  • deltaN can be the number of slots in the first part of second signal.
  • deltaK1+deltaN+deltaK2 can be defined as representing the offset between the reference slot and the first slot of the second part of second signal, with the SCS configuration of the second signal.
  • the potential cases can refer to Case 2-2b.
  • the length of deltaK1 is equal to the length of the first time interval between the end of the first Type 1 active time and the start of the first Type 2 active time.
  • the length of deltaK2 can be equal to the length of the second time interval between the end of the first Type 2 active time and the start of the second Type 2 active time.
  • deltaK2 (or the time interval 2) can be equal to the periodicity of Type 2 active time minus the duration of Type 2 active time.
  • deltaK1 and deltaK2 can be directly indicated in DCI signaling as one or more DCI fields or indicated in one or more RRC parameters as part of the TDRA table.
  • the UE can transmit the first slot of the first part of PUSCH transmission in slot n+k2+deltaK1.
  • the UE can transmit the first slot of the second part of PUSCH transmission in slot n+k2+deltaK1+deltaN+deltaK2, where n is the last reception slot of DCI and slot n+k2 is the reference slot.
  • the definition of k2 can be changed to represent the offset between the slot n and the reference slot.
  • deltaK1 can be the offset between the reference slot and the first slot of the first part of PUSCH transmission, with the SCS configuration of PUSCH transmission.
  • deltaN can be the number of slots in the first part of PUSCH transmission, and deltaK1+deltaN+deltaK2 can be defined as representing the offset between the reference slot and the first slot of the second part of PUSCH transmission, with the SCS configuration of PUSCH.
  • deltaK1 can be the offset between the reference slot and the first slot of the first part of PDSCH transmission, with the SCS configuration of PDSCH transmission.
  • deltaN can be the number of slots in the first part of PDSCH transmission.
  • deltaK1+deltaN+deltaK2 can be defined as representing the offset between the reference slot and the first slot of the second part of PDSCH, with the SCS configuration of PDSCH transmission.
  • the method 2500 may be implemented using any of the components and devices detailed herein in conjunction with FIGS. 1 to 24.
  • the method 2500 may include a wireless communication device determining a timing configuration (STEP 2502) .
  • the method may include the wireless communication device performing a transmission or reception of a signal according to the timing configuration (STEP 2504) .
  • a wireless communication device e.g., UE can determine a timing configuration (STEP 2502) .
  • the wireless communication device can perform a transmission or reception of a signal according to the timing configuration (STEP 2504) .
  • the wireless communication device can determine a reception of a first signal.
  • the wireless communication device can determine a transmission or reception time of a second signal, including the signal, according to the reception time of the first signal and/or the timing configuration.
  • the timing configuration may include a plurality of parameters of at least one of the following: an active time or an inactive time, associated with the wireless communication device or a cell.
  • the plurality of parameters may include at least one of the following: a periodicity, an offset, a start time, or a duration, related to the active time or the inactive time.
  • the periodicity, the start time, the offset, or the duration can be indicated at a granularity, unit and/or level of millisecond, slot, or symbol.
  • the timing configuration may include at least one of the following: at least one parameter of one of the active time or the inactive time; at least one parameter of the active time and at least one parameter of the inactive time, independently/separately configured; or at least one parameter of the active time and at least one parameter of the inactive time, jointly configured.
  • the wireless communication device can determine the timing configuration via (e.g., via receiving a signaling that indicates the type and/or index) at least one of the following: a type or an index of the timing configuration.
  • the type may include type 1 or type 2, where type 1 and type 2 can be respectively associated with at least one of the following: a control channel or signal; a data or shared channel or signal; common or cell-specific data or signal; user equipment (UE) -specific data or signal; reception of downlink information or signal; transmission of uplink information or signal; wide beam; narrow beam; quasi co-location (QCL) relationship with a first type of reference signal; or QCL relationship with a second type of reference signal.
  • QCL quasi co-location
  • the wireless communication device can receive one or more candidate timing configurations via a first signaling (e.g., RRC or MAC CE signaling) from a wireless communication node (e.g., BS) .
  • a first signaling e.g., RRC or MAC CE signaling
  • the wireless communication device can receive an indication of the timing configuration, from the one or more candidate timing configurations, from the wireless communication node via a second signaling.
  • the second signaling may include an indication of at least one of the following: the type or the index of the timing configuration.
  • the indication may include at least one of the following: at least one cell-specific parameter or at least one user equipment (UE) specific parameter (e.g., ServingCellConfig, ServingCellConfigCommon, ServingCellConfigCommonSIB) ; at least one UE group specific parameter; at least one uplink (UL) parameter (e.g., BWP-Uplink, BWP-UplinkCommon, BWP-UplinkDedicated) or at least one downlink (DL) parameter (e.g., BWP-Downlink, BWP-DownlinkCommon, BWP-DownlinkDedicated) ; at least one parameter (e.g., the index of active/inactive time configuration for PDCCH reception may be included in at least one of PDSCH-Config, PDSCH-ConfigCommon, PDSCH-ServingCellConfig; the index of active/inactive time configuration for PDCCH reception may be included in at least one of PDCCH-Config, PDCCH-ConfigCommonSIB
  • each group corresponding to at least one UE group-specific parameter can be determined by at least one of the following: UE reported location; a beam provided/applied/allocated/used in the initial access stage; or a synchronization signal block (SSB) index to obtain a master information block (MIB) in the initial access stage.
  • the indication may include an identifier (ID) of a group of UEs, or the indication may include at least one UE group-specific parameter for a plurality of groups of UEs indicated sequentially in one or more fields.
  • the one or more candidate timing configurations may include at least one of the following: a first timing configuration associated with all signals, channels, or reference signals in downlink reception, and/or a second timing configuration associated with all signals, channels, or reference signals in uplink transmission; a plurality of timing configurations each associated with a respective signal, channel, or reference signal; or a plurality of lists of timing configurations, with each timing configuration associated with a respective signal, channel, or reference signal.
  • At least one parameter of the transmission may include at least one of the following: an index, a start time, a periodicity, an offset, or a duration, related to the active time or the inactive time.
  • a downlink control information (DCI) scheduling a transmission may indicate at least one of the following: an index of the timing configuration, where at least one parameter of the timing configuration is configured via a radio resource control (RRC) signaling; an index of the timing configuration via a time domain resource allocation (TDRA) field of the DCI signaling, where at least one parameter of the timing configuration is configured via an RRC signaling; at least one parameter of the timing configuration; or an index of the timing configuration via a TDRA field of the DCI signaling, where at least one parameter of the timing configuration is configured via a TDRA table in an RRC signaling.
  • RRC radio resource control
  • TDRA time domain resource allocation
  • the wireless communication device can determine the timing configuration for the second signal according to the timing configuration of a reference signal that has a quasi co-location (QCL) relationship with the second signal.
  • QCL quasi co-location
  • an occasion of the signal can be valid if the occasion is within the active time associated with the timing configuration.
  • the reception time of the first signal and the transmission or reception time of the second signal in slot n+k can be within the same active time.
  • n indicates a slot number of a reception slot of the first signal, and/or k is an offset between the first signal and the second signal.
  • the first slot of the second signal can be within the slot n+deltaK+k.
  • n indicates a slot number of the last reception slot of the first signal, deltaK is an offset component where n+deltaK indicates a reference slot with subcarrier spacing (SCS) configuration of the first signal, and/or k is an offset between the reference slot and the first slot of the second signal.
  • SCS subcarrier spacing
  • a first slot of the second signal can be within slot n+k+deltaK, where n indicates a slot number of a last reception slot of the first signal, n+k is indicates a reference slot, k is an offset between the last reception slot of the first signal and the reference slot, and/or deltaK is an offset between the reference slot and the first slot of the second signal with a subcarrier spacing (SCS) configuration of the second signal.
  • SCS subcarrier spacing
  • the transmission or reception of the second signal is performed within one or more active times, e.g., across 2 different active times, the first part of the second signal is in a first active time and/or the second part of the second signal is in a second active time.
  • the transmission or reception time of the first part of the second signal can be determined by the reception time of the first signal.
  • a first slot of a first part of the second signal can be within slot n+k, where n indicates a slot number of a last reception slot of a first signal and k is an offset between the last reception slot of the first signal and the first slot of the first part of the second signal.
  • the first slot of the second part of the second signal can be in slot n +K_offset, wherein n is the last slot for the transmission or reception of the first part of second signal and the K_offset is determined by the timing configuration from the wireless communication node.
  • the first slot of the second part of the second signal can be in slot n, where n is the first available slot for the transmission or reception in the active time after the first part of the second signal.
  • the first slot of the second part of the second signal can be in the slot n+offset, where n is the first available slot for the transmission or reception in the active time after the first part of the second signal, and/or offset can be determined by the timing configuration from the wireless communication node or the capability report of the wireless communication device.
  • a first slot of a second part of the second signal can be within slot n+k+deltaK+deltaN, where n indicates a slot number of a last reception slot of a first signal, slot n+k is a reference slot, k is an offset between the last reception slot of the first signal and the reference slot, deltaN is a number of slots in the first part of the second signal, and/or deltaK is an offset component wherein deltaN+deltaK is an offset between the reference slot and the first slot of the second part of the second signal with a subcarrier spacing (SCS) configuration of the second signal.
  • SCS subcarrier spacing
  • deltaK can be determined using at least one of the following: a periodicity, an offset, or a duration of the active time, where the periodicity, the offset, or the duration of the active time can be indicated in at least one of system information, a radio resource control signaling, or a medium access control control element (MAC CE) signaling.
  • deltaK is indicated in a field of downlink control information (DCI) signaling, or in a parameter of a radio resource control (RRC) signaling.
  • DCI downlink control information
  • RRC radio resource control
  • deltaK is equal to 0.
  • deltaK may be equal to at least one of the following: a periodicity of the active time minus a duration of the active time; a periodicity of a Type 2 active time minus a duration of the Type 2 active time; or an offset between a start point of a Type 1 active time and a start point of a Type 2 active time, minus a duration of the Type 1 active time.
  • the first slot of the second part of the second signal can be in slot n +K_offset, where n is the last slot for the transmission or reception of the first part of the second signal and the K_offset is determined by the timing configuration from the wireless communication node.
  • the first slot of the second part of the second signal can be in slot n, where n is the first available slot for the transmission or reception in the active time after the first part of the second signal.
  • each of deltaK1 and deltaK2 can be determined using at least one of the following: a periodicity of Type 1 active time, a periodicity of Type 2 active time, an offset between a start point of the Type 1 active time and a start point of the Type 2 active time, a duration of the Type 1 active time, or a duration of the Type 2 active time, one or more of which may be indicated in at least one of the following: system information, a radio resource control signaling, or a medium access control control element (MAC CE) signaling.
  • deltaK1 and deltaK2 can be indicated in one or more fields of downlink control information (DCI) signaling or in one or more parameters of a radio resource control (RRC) signaling.
  • DCI downlink control information
  • RRC radio resource control
  • any reference to an element herein using a designation such as “first, ” “second, ” and so forth does not generally limit the quantity or order of those elements. Rather, these designations can be used herein as a convenient means of distinguishing between two or more elements or instances of an element. Thus, a reference to first and second elements does not mean that only two elements can be employed, or that the first element must precede the second element in some manner.
  • any of the various illustrative logical blocks, modules, processors, means, circuits, methods and functions described in connection with the aspects disclosed herein can be implemented by electronic hardware (e.g., a digital implementation, an analog implementation, or a combination of the two) , firmware, various forms of program or design code incorporating instructions (which can be referred to herein, for convenience, as “software” or a “software module) , or any combination of these techniques.
  • firmware e.g., a digital implementation, an analog implementation, or a combination of the two
  • firmware various forms of program or design code incorporating instructions
  • software or a “software module”
  • IC integrated circuit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the logical blocks, modules, and circuits can further include antennas and/or transceivers to communicate with various components within the network or within the device.
  • a general purpose processor can be a microprocessor, but in the alternative, the processor can be any conventional processor, controller, or state machine.
  • a processor can also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or multiple microprocessors in conjunction with a DSP core, or any other suitable configuration to perform the functions described herein.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne des systèmes et des procédés pour effectuer des opérations de liaison descendante/liaison montante. Un dispositif de communication sans fil peut déterminer une configuration de synchronisation. Le dispositif de communication sans fil peut effectuer une transmission ou une réception d'un signal selon la configuration de synchronisation.
PCT/CN2024/076475 2024-02-06 2024-02-06 Systèmes et procédés pour effectuer des opérations de liaison descendante/liaison montante Pending WO2025166592A1 (fr)

Priority Applications (1)

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PCT/CN2024/076475 WO2025166592A1 (fr) 2024-02-06 2024-02-06 Systèmes et procédés pour effectuer des opérations de liaison descendante/liaison montante

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PCT/CN2024/076475 WO2025166592A1 (fr) 2024-02-06 2024-02-06 Systèmes et procédés pour effectuer des opérations de liaison descendante/liaison montante

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WO2025166592A1 true WO2025166592A1 (fr) 2025-08-14

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115804182A (zh) * 2020-07-01 2023-03-14 皇家飞利浦有限公司 用于侧链路ue的资源预留预测
WO2023195477A1 (fr) * 2022-04-08 2023-10-12 Nec Corporation Procédé, équipement utilisateur et station de base
WO2024000598A1 (fr) * 2022-07-01 2024-01-04 Zte Corporation Configuration de paramètres dans une communication sans fil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115804182A (zh) * 2020-07-01 2023-03-14 皇家飞利浦有限公司 用于侧链路ue的资源预留预测
WO2023195477A1 (fr) * 2022-04-08 2023-10-12 Nec Corporation Procédé, équipement utilisateur et station de base
WO2024000598A1 (fr) * 2022-07-01 2024-01-04 Zte Corporation Configuration de paramètres dans une communication sans fil

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