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WO2023051609A1 - Procédé et appareil de surveillance de canal de contrôle descendant, et dispositif de communication - Google Patents

Procédé et appareil de surveillance de canal de contrôle descendant, et dispositif de communication Download PDF

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Publication number
WO2023051609A1
WO2023051609A1 PCT/CN2022/122140 CN2022122140W WO2023051609A1 WO 2023051609 A1 WO2023051609 A1 WO 2023051609A1 CN 2022122140 W CN2022122140 W CN 2022122140W WO 2023051609 A1 WO2023051609 A1 WO 2023051609A1
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WIPO (PCT)
Prior art keywords
slot
pdcch
search space
slots
group
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PCT/CN2022/122140
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English (en)
Chinese (zh)
Inventor
李�根
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2023051609A1 publication Critical patent/WO2023051609A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a downlink control channel monitoring method, device and communication equipment.
  • NR New Radio
  • SCS subcarrier spacing
  • PDCCH Physical Downlink Control Channel
  • the PDCCH monitoring capability of the terminal based on multiple slots is derived, specifically, the PDCCH monitoring is limited to some slots of certain slot groups, thereby reducing the complexity of the terminal's PDCCH monitoring.
  • how to determine the slot in which the terminal can monitor the PDCCH in the slot group becomes an urgent problem to be solved.
  • Embodiments of the present application provide a downlink control channel monitoring method, device, and communication device, which can solve the problem of how to determine a slot in which a terminal in a slot group can monitor a PDCCH.
  • a downlink control channel monitoring method includes: the communication device determines the monitorable time slots of the physical downlink control channel PDCCH of the N serving cells in the M serving cells of the terminal according to the first information, M
  • the serving cells are cells with multi-slot monitoring capability, and the first information is whether there is a common search space (common search space) configuration in the M serving cells, or whether the M serving cells include a primary cell, and M and N are both positive integers, And M ⁇ N; wherein, the PDCCH monitorable time slots are Y slots in a slot group including X time slot slots, X and Y are both positive integers, and X ⁇ Y.
  • an apparatus for monitoring a downlink control channel including: a determination module configured to determine, according to the first information, the monitorable time slots of the physical downlink control channel PDCCH of the N serving cells among the M serving cells of the terminal,
  • the M serving cells are cells with multi-slot monitoring capability
  • the first information is whether there is a common search space configuration for the M serving cells, or whether the M serving cells include the primary cell, M and N are both positive integers, and M ⁇ N ;
  • the PDCCH monitorable time slots are Y slots in the slot group including X time slot slots, X and Y are both positive integers, and X ⁇ Y.
  • a communication device in the third aspect, includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction When the program or instruction is executed by the processor, the first aspect can be realized. method steps.
  • a communication device including a processor and a communication interface, wherein the processor is used to determine, according to the first information, when the physical downlink control channel PDCCH of the N serving cells among the M serving cells of the terminal can be monitored
  • the M serving cells are cells with multi-slot monitoring capability
  • the first information is whether there is a common search space configuration for the M serving cells, or whether the M serving cells include the primary cell, M and N are both positive integers, and M ⁇ N;
  • the PDCCH monitorable time slots are Y slots in a slot group including X time slot slots, X and Y are both positive integers, and X ⁇ Y.
  • a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method in the first aspect are implemented.
  • a sixth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the steps of the method in the first aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, and the program/program product is executed by at least one processor to implement the downlink control channel as in the first aspect Steps in the monitoring method.
  • the communication device determines the monitorable time slots of the physical downlink control channel PDCCH of N serving cells among the M serving cells of the terminal according to the first information, and the M serving cells are cells with multi-slot monitoring capability , the first information is whether there is a common search space configuration for the M serving cells, or whether the M serving cells include the primary cell, M and N are both positive integers, and M ⁇ N; wherein, the PDCCH monitorable time slot includes X For Y slots in the slot group of the time slot, X and Y are both positive integers, and X ⁇ Y.
  • the primary cell can have a corresponding common search space configuration, and PDCCH configuration information is encapsulated in the common search space indicated by the common search space configuration, so the PDCCH monitorable time slot (PDCCH allowed time slot) can be determined according to the first information above. monitoring slot).
  • the slots in the slot group that the terminal can use for PDCCH monitoring can be determined, that is, the Y slots in the slot group.
  • FIG. 1 is a schematic diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a flow chart of a downlink control channel monitoring method provided in an embodiment of the present application
  • FIG. 3A is one of the schematic diagrams of the application of the downlink control channel monitoring method provided by the embodiment of the present application.
  • Figure 3B is the second schematic diagram of the application of the downlink control channel monitoring method provided by the embodiment of the present application.
  • FIG. 4A is the third schematic diagram of the application of the downlink control channel monitoring method provided by the embodiment of the present application.
  • FIG. 4B is a fourth schematic diagram of the application of the downlink control channel monitoring method provided by the embodiment of the present application.
  • FIG. 5A is a fifth schematic diagram of the application of the downlink control channel monitoring method provided by the embodiment of the present application.
  • FIG. 5B is a sixth schematic diagram of the application of the downlink control channel monitoring method provided by the embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a downlink control channel monitoring device provided in an embodiment of the present application.
  • Fig. 7 is a hardware schematic diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of hardware of a terminal provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of hardware of a network side device provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • the following description describes the New Radio (New Radio, NR) system for example purposes, and uses NR terms in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6- th Generation, 6G) communication system.
  • 6G 6th generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called user equipment (user equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant) Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR)/virtual reality (virtual reality) , VR) equipment, robots, wearable devices (Wearable Device), vehicle-mounted equipment (VUE), pedestrian terminal (PUE), smart home (home devices with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), etc.
  • UE user equipment
  • PDA Personal Digital Assistant
  • handheld computer netbook
  • Terminal-side devices, wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wrist belts, smart clothing, game consoles, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 .
  • the network side device 12 may be a base station or a core network, where the base station may be referred to as a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) ) access point, Wireless Fidelity (WiFi) node, Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms, It should be noted that, in the embodiment of the present application, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • the communication device involved in this embodiment of the application can be the terminal 11 in FIG. 1 or the network side device 12 in FIG. 1 , which can be determined according to actual usage requirements, and is not limited in this embodiment of the application.
  • an embodiment of the present application provides a method for monitoring a downlink control channel.
  • the method may be applied to the wireless communication system shown in FIG. 1 , and the method may include the following step 201 .
  • Step 201 the communication device determines the PDCCH monitorable time slots of N serving cells among the M serving cells of the terminal according to the first information.
  • the above-mentioned M serving cells may be cells with multi-slot monitoring capability, and the above-mentioned first information may be whether there is a common search space configuration for the M serving cells, or whether the M serving cells include a primary cell, and both M and N is a positive integer, and M ⁇ N; the above PDCCH monitorable time slots may be Y slots in a slot group including X slots, X and Y are both positive integers, and X ⁇ Y.
  • the PDCCH monitorable time slots of the above N serving cells are the same, that is to say, for the N serving cells, PDCCH monitoring or PDCCH monitoring can be performed on Y slots in the slot group corresponding to the PDCCH monitorable time slots. Monitoring configuration.
  • the communication device may determine that the PDCCHs of the N serving cells in the M serving cells can be monitored according to whether there is a common search space configuration in the above M serving cells, or whether the M serving cells include a primary cell time slots (hereinafter referred to as PDCCH monitorable time slots for short), so that the PDCCH monitoring capabilities of the terminal on the N serving cells can be determined. That is to say, the PDCCH monitoring time slot indicates the PDCCH monitoring capability of the terminal.
  • the primary cell can be configured with a public search space (that is, the primary cell is correspondingly configured with a public search space)
  • the communication device when the serving cell is the primary cell, the communication device can be configured according to the public search space of the serving cell,
  • the PDCCH configuration information encapsulated in the common search space corresponding to the common search space configuration is determined, so that the aforementioned PDCCH monitorable time slots can be determined according to the PDCCH configuration information.
  • the communication device may determine the PDCCH monitorable time slot directly according to the PDCCH configuration information encapsulated in the corresponding common search space indicated by the common search space configuration.
  • the network-side device can configure other search spaces on the aforementioned PDCCH monitorable time slots, such as the UE specific search space (USS) of the terminal, so that the dedicated search space is configured in the slot (partial or USS) corresponding to the public search space. All), in this way, the terminal does not need to perform PDCCH monitoring on all slots in the slot group, so that the complexity of PDCCH monitoring by the terminal can be further reduced.
  • USS UE specific search space
  • the communication device may be a terminal or a network side device.
  • the terminal when the communication device is a terminal, after the terminal determines the PDCCH monitorable time slots of the N serving cells according to the above first information, the terminal can determine the network side device according to the PDCCH monitorable time slots. Whether the PDCCH monitoring time slots configured on the above N serving cells conform to the monitoring capability of the terminal can determine whether the PDCCH monitoring configuration delivered by the network side device is an error configuration.
  • the network-side device can determine which time slots the terminal can perform PDCCH monitoring, thereby The network side device may determine how to configure the PDCCH monitoring time slots of the terminal on the above N serving cells.
  • the foregoing first information is different, and a manner of determining the PDCCH monitorable time slots of the foregoing N serving cells by the communication device may be different.
  • the manner in which the communication device determines the PDCCH monitorable time slots of the N serving cells is exemplarily described below using two situations of the first information.
  • the above step 201 may specifically be implemented through the following step 201a.
  • Step 201a the communication device determines PDCCH monitorable time slots of N serving cells among the M serving cells according to the PDCCH configuration information of the first search space group.
  • the above-mentioned first search space group may include at least one type of common search space.
  • the communication device may determine that the PDCCH can be monitored according to the PDCCH configuration of the first search space group time slot.
  • the at least one serving cell in the case where at least one serving cell has a common search space configuration, corresponds to a common search space.
  • the common search space corresponding to each serving cell in the at least one serving cell may correspond to at least one type of common search space.
  • the types of common search space can be divided into: Type 0PDCCH, Type 0A PDCCH, Type 1PDCCH, Type 2PDCCH and Type 3PDCCH.
  • the first search space group includes at least one type of common search space, and PDCCH configuration information is encapsulated in the common search space, so the above-mentioned first search space group may correspond to PDCCH configuration information, Therefore, the communication device can determine the above PDCCH monitorable time slot according to the PDCCH configuration information.
  • first search space group may correspond to at least one kind of PDCCH configuration information.
  • determining the aforementioned PDCCH monitorable time slot may include at least one of the following:
  • the initial time domain position of the slot group when determining the time domain position of the slot group, the initial time domain position of the slot group (that is, the initial slot) may be determined first, and then the time domain position of the entire slot group is determined according to the value of X.
  • the initial time-domain positions of the Y slots in the slot group when determining the time-domain positions of Y slots in the slot group, the initial time-domain positions of the Y slots in the slot group (that is, the initial slot) can be determined first, and then according to the value of Y, determine the The temporal position of each slot in Y slots.
  • Y slots may be consecutive Y slots in the slot group.
  • the Y slots may also be discontinuous Y slots in the slot group, which may be determined according to actual usage requirements.
  • the communication device may determine the time-domain positions of Y slots in the slot group in two possible ways, which are respectively mode 1 and mode 2 .
  • the two methods are described below as examples.
  • the first slot configured with PDCCH monitoring in the slot group is determined as the initial slot of the Y slots.
  • the communication device may determine that the second slot in each slot group is the starting slot of Y slots, and determine that the Y slots are the second slot and the third slot in the slot group.
  • the communication device can determine that both slot 0 and slot 1 are slots in the Y slots, that is, determine that the Y slots are in the slot group The first slot and the second slot.
  • Method 2 The first slot configured with PDCCH monitoring in each slot group in the time domain resource in the first search space group is determined as the starting slot of the Y slots.
  • the time domain position of the slot group may be determined by at least one of the following:
  • determining the time domain position of the slot group may include: in the first search space group, the first search space in each period A slot configured with PDCCH monitoring is determined as the initial slot of the slot group.
  • the first slot configured with PDCCH detection in each cycle is slot 2
  • the first slot configured with PDCCH detection in each cycle is slot 2 and slot 3
  • the communication device can determine
  • the first slot group can be slot 2 to slot 5
  • the second slot group can be slot 6 to slot 9, ..., and so on.
  • the Y slots are the first slot and the second slot in the slot group.
  • the above-mentioned first search space group may satisfy a first condition, and the first condition may include at least one of the following:
  • the configuration period of the first search space group is an integer multiple of X;
  • the time domain positions of the initial slots configured with PDCCH monitoring in each slot group of time domain resources are the same;
  • the number of slots configured with PDCCH monitoring in each slot group of time domain resources is less than or equal to Y.
  • the PDCCH configuration information of the first search space group may be determined according to the value of X and/or the value of Y.
  • the network side device when the network side device configures the PDCCH configuration information of the common search space in the first search space group to the terminal, the network side device can configure the PDCCH configuration of the first search space group according to the value of X and the value of Y information.
  • the value of X is configured by the network side device or predefined by the protocol
  • the value of Y is configured by the network side device or predefined by the protocol.
  • both the value of X and the value of Y can be configured by the network-side device; or, the value of X and the value of Y can also be predefined by the protocol; or, the value of X can be configured by the network-side device, and the value of Y can be determined by The protocol is predefined; or, the value of X is predefined by the protocol, and the value of Y is configured by the network side device. Specifically, it may be determined according to actual usage requirements, and is not limited in this embodiment of the application.
  • the PDCCH may monitor the time slot synchronization change.
  • the above-mentioned PDCCH may monitor the time slot synchronization change. That is to say, the PDCCH monitorable time slot changes according to the change of the first search space group.
  • the second case the first information is that none of the M serving cells has a common search space configuration, or none of the M serving cells is a primary cell.
  • the above step 201 may specifically be implemented through the following step 201b.
  • step 201b the communication device determines the PDCCH monitorable time slots of the M serving cells according to the information predefined in the protocol.
  • the communication device may determine when the PDCCHs of the above M serving cells can be monitored according to information predefined in the protocol. time slots, so as to determine how to perform PDCCH monitoring or configure PDCCH monitoring time slots on the M serving cells.
  • the start position in the time domain of the above slot group may be the same as the start time slot of the subframe (subframe), and the above Y slots may be the first Y slots in the slot group.
  • the primary cell since the primary cell may correspond to a common search space configuration, and PDCCH configuration information is encapsulated in the common search space indicated by the common search space configuration, the PDCCH monitorable time slot can be determined according to the above-mentioned first information. In this way, the slots in the slot group that the terminal can use for PDCCH monitoring can be determined, that is, the Y slots in the slot group.
  • the downlink control channel monitoring method provided in the embodiment of the present application may be executed by a downlink control channel monitoring device, or a control module in the downlink control channel monitoring device for executing the downlink control channel monitoring method.
  • the method for monitoring the downlink control channel performed by the device for monitoring the downlink control channel is taken as an example to describe the device for monitoring the downlink control channel provided in the embodiment of the present application.
  • an embodiment of the present application provides an apparatus 300 for monitoring a downlink control channel
  • the apparatus 300 for monitoring a downlink control channel includes a determination module 301 .
  • the determining module is configured to determine, according to the first information, the physical downlink control channel PDCCH monitorable time slots of the N serving cells in the M serving cells of the terminal, the M serving cells are cells with multi-slot monitoring capabilities, and the first information Whether there is a common search space configuration for M serving cells, or whether M serving cells include the main cell, M and N are both positive integers, and M ⁇ N; where the PDCCH monitorable time slot is a time slot containing X time slots For Y slots in the slot group, both X and Y are positive integers, and X ⁇ Y.
  • the determining module 301 is specifically configured to determine that the PDCCH can be monitored according to the PDCCH configuration information of the first search space group A time slot; wherein, the first search space group includes at least one type of common search space.
  • determining the PDCCH monitorable time slot includes at least one of the following:
  • determining the time-domain positions of the Y slots in the slot group includes: configuring the first slot with PDCCH monitoring in the first search space group in the slot group , determine as the starting slot of the Y slots; or determine the first slot configured with PDCCH monitoring in each slot group in the time domain resource in the first search space group as the starting slot of the Y slots.
  • the time domain position of the slot group is determined by at least one of the following:
  • the time domain position of the serving cell with the smallest subcarrier spacing other serving cells are cells with time slot monitoring capability.
  • determining the time domain position of the slot group includes: configuring the first search space group with PDCCH monitoring in each configuration cycle slot, determined as the starting slot of the slot group.
  • the first search space group satisfies a first condition, and the first condition includes at least one of the following:
  • the configuration period of the first search space group is an integer multiple of X;
  • the time domain positions of the initial slots configured with PDCCH monitoring in each slot group of time domain resources are the same;
  • the number of slots configured with PDCCH monitoring in each slot group of time domain resources is less than or equal to Y.
  • the PDCCH configuration information of the first search space group is determined according to the value of X and/or the value of Y.
  • the value of X is configured by the network side device or predefined by the protocol
  • the value of Y is configured by the network side device or predefined by the protocol.
  • the PDCCH may monitor time slot synchronization changes.
  • the PDCCH can monitor time slot changes, other search spaces monitored by the terminal change synchronously.
  • the determining module 301 is specifically configured to determine when the PDCCHs of the M serving cells can be monitored according to information predefined in the protocol Gap.
  • the primary cell can correspond to a common search space configuration
  • the common search space indicated by the common search space configuration is encapsulated with PDCCH configuration information
  • PDCCH configuration information it can be determined according to the above-mentioned first information PDCCH can monitor slots.
  • the slots in the slot group that the terminal can use for PDCCH monitoring can be determined, that is, the Y slots in the slot group.
  • the downlink control channel monitoring device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the downlink control channel monitoring device provided in the embodiment of the present application can implement the various processes implemented in the above method embodiments, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application further provides a communication device 400, including a processor 401, a memory 402, and programs or instructions stored in the memory 402 and operable on the processor 401, for example,
  • a communication device 400 including a processor 401, a memory 402, and programs or instructions stored in the memory 402 and operable on the processor 401, for example.
  • the communication device 400 is a terminal, when the program or instruction is executed by the processor 401, each process of the above embodiment of the downlink control channel monitoring method can be realized, and the same technical effect can be achieved.
  • the communication device 400 is a network-side device, when the program or instruction is executed by the processor 401, each process of the above-mentioned downlink control channel monitoring method embodiment can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the processor is used to determine the physical downlink control channel PDCCH monitorable time slots of the N serving cells in the M serving cells of the terminal according to the first information, M
  • the serving cells are cells with multi-slot monitoring capability, the first information is whether there is a common search space configuration in the M serving cells, or whether the M serving cells include a primary cell, M and N are both positive integers, and M ⁇ N;
  • the PDCCH monitorable time slots are Y slots in a slot group including X time slot slots, X and Y are both positive integers, and X ⁇ Y.
  • FIG. 8 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, and a processor 110, etc. at least some of the components.
  • the terminal 100 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 110 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 8 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 104 may include a graphics processing unit (Graphics Processing Unit, GPU) 1041 and a microphone 1042, and the graphics processing unit 1041 is used by the image capturing device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072 .
  • the touch panel 1071 is also called a touch screen.
  • the touch panel 1071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 1072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 101 receives the downlink data from the network side device, and processes it to the processor 110; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 109 can be used to store software programs or instructions as well as various data.
  • the memory 109 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 109 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 110 .
  • the processor 110 is configured to determine, according to the first information, the physical downlink control channel PDCCH monitorable time slots of N serving cells in the M serving cells of the terminal, where the M serving cells are cells with multi-slot monitoring capabilities, and the first The information is whether there is a common search space configuration in the M serving cells, or whether the M serving cells include the primary cell, M and N are both positive integers, and M ⁇ N; where the PDCCH monitorable time slot includes X time slot slots For Y slots in the slot group, X and Y are both positive integers, and X ⁇ Y.
  • the primary cell can be configured with a public search space, and the public search space indicated by the public search space configuration is encapsulated with PDCCH configuration information, it can determine when the PDCCH can be monitored according to the above-mentioned first information. Gap. In this way, the slots in the slot group that the terminal can use for PDCCH monitoring can be determined, that is, the Y slots in the slot group.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, and the processor is used to determine, according to the first information, that the physical downlink control channel PDCCH of the N serving cells among the M serving cells of the terminal can be monitored time slot, the M serving cells are cells with multi-slot monitoring capability, the first information is whether there is a common search space configuration in the M serving cells, or whether the M serving cells include the main cell, M and N are both positive integers, and M ⁇ N; wherein, the PDCCH monitorable time slots are Y slots in a slot group including X time slot slots, X and Y are both positive integers, and X ⁇ Y.
  • the network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 700 includes: an antenna 71 , a radio frequency device 72 , and a baseband device 73 .
  • the antenna 71 is connected to a radio frequency device 72 .
  • the radio frequency device 72 receives information through the antenna 71, and sends the received information to the baseband device 73 for processing.
  • the baseband device 73 processes the information to be sent and sends it to the radio frequency device 72
  • the radio frequency device 72 processes the received information and sends it out through the antenna 71 .
  • the foregoing frequency band processing device may be located in the baseband device 73 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 73 , and the baseband device 73 includes a processor 74 and a memory 75 .
  • the baseband device 73 can include at least one baseband board, for example, a plurality of chips are arranged on the baseband board, as shown in FIG. The operation of the network side device shown in the above method embodiments.
  • the baseband device 73 may also include a network interface 76 for exchanging information with the radio frequency device 72, such as a Common Public Radio Interface (CPRI for short).
  • CPRI Common Public Radio Interface
  • the network-side device in the embodiment of the present invention also includes: instructions or programs stored in the memory 75 and operable on the processor 74, and the processor 74 calls the instructions or programs in the memory 75 to execute the modules shown in FIG. 6 To avoid duplication, the method of implementation and to achieve the same technical effect will not be repeated here.
  • the embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, each process of the above embodiment of the downlink control channel monitoring method can be realized, and the same can be achieved. To avoid repetition, the technical effects will not be repeated here.
  • a readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • ROM computer read-only memory
  • RAM random access memory
  • magnetic disk or an optical disk and the like.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to realize the various processes of the above-mentioned downlink control channel monitoring method embodiment, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to enable a terminal (which may be a mobile phone, computer, server, air conditioner, or network-side device, etc.) to execute the method of each embodiment of the present application.

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

Abstract

La présente demande a trait au domaine technique des communications. Sont divulgués un procédé et un appareil de surveillance de canal de contrôle descendant, et un dispositif de communication. Dans les modes de réalisation de la présente demande, le procédé de surveillance de canal de contrôle descendant comprend l'étape suivante : un dispositif de communication détermine, conformément à des premières informations, des créneaux de PDCCH pouvant être surveillés de N cellules de desserte parmi M cellules de desserte d'un terminal, les M cellules de desserte étant des cellules qui présentent une capacité de surveillance multi-créneau, et les premières informations indiquent si une configuration d'un espace de recherche commun est présente dans les M cellules de desserte, ou si les M cellules de desserte comprennent une cellule primaire, M et N étant tous deux des nombres entiers positifs, et M ≥ N ; et les créneaux de PDCCH pouvant être surveillé sont des créneaux Y d'un groupe de créneaux qui comprend des créneaux X, X et Y étant tous deux des nombres entiers positifs, et X ≥ Y
PCT/CN2022/122140 2021-09-30 2022-09-28 Procédé et appareil de surveillance de canal de contrôle descendant, et dispositif de communication Ceased WO2023051609A1 (fr)

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