WO2023051609A1 - 下行控制信道监测方法、装置及通信设备 - Google Patents

下行控制信道监测方法、装置及通信设备 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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Prior art keywords
slot
pdcch
search space
slots
group
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PCT/CN2022/122140
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English (en)
French (fr)
Inventor
李�根
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维沃移动通信有限公司
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Publication of WO2023051609A1 publication Critical patent/WO2023051609A1/zh

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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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Abstract

本申请公开了一种下行控制信道监测方法、装置及通信设备，属于通信技术领域，本申请实施例的下行控制信道监测方法包括：通信设备根据第一信息，确定终端的M个服务小区中的N个服务小区的PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。

Description

下行控制信道监测方法、装置及通信设备
相关申请的交叉引用
本申请主张在2021年09月30日在中国提交的中国专利申请号202111161039.8的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种下行控制信道监测方法、装置及通信设备。
背景技术
在新空口(New Radio，NR)***运行在高频段(例如大于52.6GHz的频段)的情况下，由于高频段的子载波间隔(subcarrier spacing，SCS)增大，因此导致符号(symbol)和时隙(slot)的粒度减少，因此如果仍然按照一个slot(per slot)或者多个symbol(如，per span)的粒度，定义物理下行控制信道(Physical Downlink Control Channel，PDCCH)监测能力，那么将会大大增加终端的PDCCH监测的复杂度。
在上述情况下，衍生出终端基于多个slot的PDCCH监测能力，具体地，将PDCCH监测限制在某些slot组的一部分slot上，从而降低终端的PDCCH监测的复杂度。然而如何确定slot组中终端可以进行PDCCH监测的slot成为一个亟待解决的问题。
发明内容
本申请实施例提供一种下行控制信道监测方法、装置及通信设备，能够解决如何确定slot组中终端可以进行PDCCH监测的slot的问题。
第一方面，提供了一种下行控制信道监测方法，该方法包括：通信设备根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间(common search space)配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
第二方面，提供了一种下行控制信道监测装置，包括：确定模块，用于根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个 时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
第三方面，提供了一种通信设备，该通信设备包括处理器、存储器及存储在存储器上并可在处理器上运行的程序或指令，程序或指令被处理器执行时实现如第一方面的方法的步骤。
第四方面，提供了一种通信设备，包括处理器及通信接口，其中，处理器用于根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
第五方面，提供了一种可读存储介质，可读存储介质上存储程序或指令，程序或指令被处理器执行时实现如第一方面的方法的步骤。
第六方面，提供了一种芯片，芯片包括处理器和通信接口，通信接口和处理器耦合，处理器用于运行程序或指令，实现如第一方面的方法的步骤。
第七方面，提供了一种计算机程序/程序产品，计算机程序/程序产品被存储在非易失的存储介质中，程序/程序产品被至少一个处理器执行以实现如第一方面的下行控制信道监测方法的步骤。
在本申请实施例中，通信设备根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。通过该方案，由于主小区可以对应有公共搜索空间配置，且公共搜索空间配置指示的公共搜索空间中封装有PDCCH配置信息，从而可以根据上述第一信息，可以确定PDCCH可监测时隙(PDCCH allowed monitoring slot)。如此，可以确定slot组中终端可以用于PDCCH监测的slot，即slot组中的Y个slot。
附图说明
图1是本申请实施例提供的无线通信***的示意图；
图2是本申请实施例提供的下行控制信道监测方法的流程图；
图3A是本申请实施例提供的下行控制信道监测方法应用的示意图之一；
图3B是本申请实施例提供的下行控制信道监测方法应用的示意图之二
图4A是本申请实施例提供的下行控制信道监测方法应用的示意图之三；
图4B是本申请实施例提供的下行控制信道监测方法应用的示意图之四；
图5A是本申请实施例提供的下行控制信道监测方法应用的示意图之五；
图5B是本申请实施例提供的下行控制信道监测方法应用的示意图之六；
图6是本申请实施例提供的下行控制信道监测装置的结构示意图；
图7是本申请实施例提供的通信设备的硬件示意图；
图8是本申请实施例提供的终端的硬件示意图；
图9是本申请实施例提供的网络侧设备的硬件示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)***，还可用于其他无线通信***，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他***。本申请实施例中的术语“***”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的***和无线电技术，也可用于其他***和无线电技术。以下描述出于示例目的描述了新空口(New Radio，NR)***，并且在以下大部分描述中使用NR术语，但是这些技术也可应用于NR***应用以外的应用，如第6代(6-th Generation，6G)通信***。
图1示出本申请实施例可应用的一种无线通信***的框图。无线通信***包括终端11和网络侧设备12。其中，终端11也可以称为用户设备(user equipment，UE)，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、增强现实(augmented reality，AR)/虚拟现实(virtual reality，VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(VUE)、行人终端(PUE)、智能家居(具有无线通信功能的家居设备，如冰箱、电视、洗衣机或者家具等)等终端侧设备，可穿戴式设备包括：智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装、游戏机等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station， BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、无线局域网(Wireless Local Area Network，WLAN)接入点、无线保真(Wireless Fidelity，WiFi)节点、发送接收点(Transmitting Receiving Point，TRP)或领域中其他某个合适的术语，只要达到相同的技术效果，基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR***中的基站为例，但是并不限定基站的具体类型。
需要说明的是，本申请实施例中涉及的通信设备可以为图1中的终端11，也可以为图1中的网络侧设备12，具体可以根据实际使用需求确定，本申请实施例不作限定。
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供的下行控制信道监测方法进行详细地说明。
如图2所示，本申请实施例提供一种下行控制信道监测方法，该方法可以应用于如图1所示的无线通信***，该方法可以包括下述的步骤201。
步骤201、通信设备根据第一信息，确定终端的M个服务小区中的N个服务小区的PDCCH可监测时隙。
其中，上述M个服务小区可以为具有多时隙监测能力的小区，上述第一信息可以为该M个服务小区是否存在公共搜索空间配置，或该M个服务小区是否包括主小区，M和N均为正整数，且M≥N；上述PDCCH可监测时隙可以为包含X个slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
可以理解，上述N个服务小区的PDCCH可监测时隙相同，也就是说，对于该N个服务小区，可以在该PDCCH可监测时隙对应的slot组中的Y个slot上进行PDCCH监测或PDCCH监测配置。
本申请实施例中，通信设备可以根据上述M个服务小区中是否存在公共搜索空间配置，或该M个服务小区是否包括主小区，确定该M个服务小区中的N个服务小区的PDCCH可监测时隙(以下简称为PDCCH可监测时隙)，从而可以确定终端在该N个服务小区上的PDCCH监测能力。也就是说，PDCCH可监测时隙指示的是终端的PDCCH监测能力。
可选地，本申请实施例中，上述N个服务小区可以为上述M个服务小区中的一部分服务小区(例如上述至少一个服务小区)，或者，该N个服务小区可以为该M个服务小区中的全部服务小区(即N＝M)，本申请实施例对此不作限定。
需要说明的是，由于主小区可以配置有公共搜索空间(即主小区对应有公共搜索空间配置)，因此在服务小区为主小区的情况下，通信设备可以根据该服务小区的公共搜索空间配置，确定该公共搜索空间配置对应的公共搜索空间中封装的PDCCH配置信息，从而可以根据该PDCCH配置信息，确定上述PDCCH可监测时隙。相应的，在服务小区存在公共搜索空间配置的情况下，通信设备可以直接根据该公共搜索空间配置指示的对应的公共搜索空间中封装的PDCCH配置信息，确定PDCCH可监测时隙。
另外，网络侧设备可以在上述PDCCH可监测时隙上配置其它搜索空间，例如终端的专用搜索空间(UE specific search space，USS)，如此使得专用搜索空间配置在公共搜索空间对应的slot(部分或全部)，如此，终端不需要再对slot组上的所有slot进行PDCCH监测，从而可以进一步降低终端进行PDCCH监测的复杂度。
可选地，本申请实施例中，通信设备可以为终端或网络侧设备。
本申请实施例中，当通信设备为终端时，在终端根据上述第一信息，确定上述N个服务小区的PDCCH可监测时隙之后，终端可以根据该PDCCH可监测时隙，确定网络侧设备在上述N个服务小区上配置的PDCCH监测时隙是否符合终端的监测能力，即可以确定网络侧设备下发的PDCCH监测配置是否为错误(error)配置。
当通信设备为网络侧设备时，在网络侧设备根据上述第一信息，确定上述N个服务小区的PDCCH可监测时隙之后，网络侧设备可以确定终端可以在哪些时隙上进行PDCCH监测，从而网络侧设备可以确定如何在上述N个服务小区上如何配置终端的PDCCH监测时隙。
可选地，本申请实施例中，上述第一信息不同，通信设备确定上述N个服务小区的PDCCH可监测时隙的方式可以不同。下面以第一信息的两种情况，对通信设备确定该N个服务小区的PDCCH可监测时隙的方式进行示例性地说明。
第一种情况：第一信息为上述M个服务小区中的至少一个服务小区存在公共搜索空间配置，或该M个服务小区中的至少一个服务小区为主小区。
在上述第一种情况下，上述步骤201具体可以通过下述的步骤201a实现。
步骤201a、通信设备按照第一搜索空间组的PDCCH配置信息，确定M个服务小区中的N个服务小区的PDCCH可监测时隙。
其中，上述第一搜索空间组可以包括至少一种类型的公共搜索空间。
本申请实施例中，在上述M个服务小区中的至少一个服务小区存在公共搜索空间配置或为主小区的情况下，通信设备可以按照上述第一搜索空间组的PDCCH配置，确定上述PDCCH可监测时隙。
需要说明的是，本申请实施例中，在至少一个服务小区存在公共搜索空间配置的情况下，该至少一个服务小区均对应有公共搜索空间。其中，该至少一个服务小区中的每个服务小区对应的公共搜索空间可以对应至少一种类型的公共搜索空间。
本申请实施例中，公共搜索空间的类型可以分为：Type 0PDCCH、Type 0A PDCCH、Type 1PDCCH、Type 2PDCCH和Type 3PDCCH。
需要说明的是，本申请实施例中，第一搜索空间组包括至少一种类型的公共搜索空间，公共搜索空间中封装有PDCCH配置信息，因此上述第一搜索空间组可以对应有PDCCH配置信息，从而通信设备可以根据该PDCCH配置信息，确定上述PDCCH可监测时隙。
可以理解，上述第一搜索空间组可以对应有至少一种PDCCH配置信息。
可选地，本申请实施例中，确定上述PDCCH可监测时隙可以包括以下至少一项：
确定slot组的时域位置；
确定Y个slot在slot组的时域位置。
本申请实施例中，在确定slot组的时域位置时，可以先确定slot组的起始时域位置(即起始slot)，然后再根据X的值，确定整个slot组的时域位置。相应的，在确定Y个slot在slot组的时域位置时，可以先确定该Y个slot在slot组中的起始时域位置(即起始slot)，然后再根据Y的值，确定该Y个slot中每个slot的时域位置。
可以理解，上述Y个slot可以为slot组中连续的Y个slot。当然，实际实现时，该Y个slot也可以为slot组中不连续的Y个slot，具体可以根据实际使用需求确定。
可选地，在一些实施例中，在slot组的时域位置确定的情况下，通信设备确定Y个slot在slot组的时域位置可以包括两种可能的方式，分别为方式一和方式二。下面分别对这两种方式进行示例性地说明。
方式一：将第一搜索空间组中，在slot组第一个配置有PDCCH监测的slot，确定为Y个slot的起始slot。
示例性地，假设X＝4，Y＝2，且在第一搜索空间组中，如图3A所示，slot组中配置有PDCCH监测的slot为slot 1和slot 2，那么如图3B所示，通信设备可以确定每个slot组中的第二个slot为Y个slot的起始slot，并确定该Y个slot为slot组中的第二个slot和第三个slot。
示例性地，假设X＝4，Y＝2，且在第一搜索空间组中，如图4A所示，时域资源中的第一个slot组中配置有PDCCH监测的slot为slot 0，第二个slot组配置有PDCCH监测的slot为slot 1，那么如图4B所示，通信设备可以确定将slot 0和slot 1均为Y个slot中的slot，即确定该Y个slot为slot组中的第一个slot和第二个slot。
方式二：将第一搜索空间组中，在时域资源中的每个slot组第一个配置有PDCCH监测的slot，确定为Y个slot的起始slot。
可选地，本申请实施例中，在slot组的时域位置确定的情况下，slot组的时域位置可以由以下至少一项确定：
协议预定义；
网络侧设备配置；
终端的其他服务小区中子载波间隔最小的服务小区的时域位置，该其他服务小区可以为具有时隙监测能力的小区。
可选地，在另一些实施例中，在Y个slot在slot组的时域位置确定的情况下，确定slot组的时域位置可以包括：将第一搜索空间组中，每个周期第一个配置有PDCCH监测的slot，确定为slot组的起始slot。
示例性地，假设X＝4，Y＝2，配置周期＝4，且上述Y个slot为slot组中的第一个slot和第二个slot，以及在第一搜索空间组中，如图5A所示，每个周 期第一个配置有PDCCH检测的slot为slot 2，且每个周期第一个配置有PDCCH检测的slot为slot 2和slot 3，那么如图5B所示，通信设备可以确定的第一个slot组可以为slot 2至slot 5，第二个slot组可以为slot 6至slot 9，……，依次类推。且Y个slot为slot组中的第一个slot和第二个slot。
可选地，本申请实施例中，上述第一搜索空间组可以满足第一条件，该第一条件可以包括以下至少一项：
第一搜索空间组的配置周期为X的整数倍；
第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的起始slot的时域位置相同；
第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的slot的个数小于或等于Y。
可选地，本申请实施例中，上述第一搜索空间组的PDCCH配置信息可以根据X的值和/或Y的值确定。
可以理解，在网络侧设备向终端配置上述第一搜索空间组中的公共搜索空间的PDCCH配置信息时，网络侧设备可以根据X的值和Y的值，配置该第一搜索空间组的PDCCH配置信息。
示例性地，假设上述第一搜索空间组中包括的公共搜索空间为Type 0PDCCH，那么该Type 0PDCCH的PDCCH配置信息可以与X的值或和/或Y的值相关，例如当Y＝1时，Type 0PDCCH在每个周期只有1个监测PDCCH的slot；当Y＝2时，Type 0PDCCH在每个周期有2个监测PDCCH的slot。
可选地，本申请实施例中，X的值由网络侧设备配置或由协议预定义，Y的值由网络侧设备配置或由协议预定义。
可以理解，X的值和Y的值可以均由网络侧设备配置；或者，X的值和Y的值也可以均由协议预定义；或者，X的值由网络侧设备配置，Y的值由协议预定义；又或者，X的值由协议预定义，Y的值由网络侧设备配置。具体可以根据实际使用需求确定，本申请实施例不作限定。
可选地，本申请实施例中，在第一搜索空间组发生变化的情况下，PDCCH可监测时隙同步变化。
示例性地，在第一搜索空间组的波束切换之后，上述PDCCH可监测时隙同步变化。也就是说，PDCCH可监测时隙根据第一搜索空间组的变化而变化。
可选地，本申请实施例中，在PDCCH可监测时隙变化的情况下，终端监测的其它搜索空间同步变化。
本申请实施例中，由于PDCCH可监测时隙上可以配置除公共搜索空间之外的其他搜索空间(例如终端的专用搜索空间)，因此在PDCCH可监测时隙变化时，终端监测的其它搜索空间也将发生变化。
第二种情况：第一信息为上述M个服务小区均不存在公共搜索空间配置，或该M个服务小区均不为主小区。
在上述第二种情况下，上述步骤201具体可以通过下述的步骤201b实现。
步骤201b、通信设备按照协议预定义的信息，确定M个服务小区的PDCCH 可监测时隙。
本申请实施例中，在上述M个服务小区均不存在公共搜索空间配置或均不为主小区的情况下，通信设备可以根据协议预定义的信息，确定上述M个服务小区的PDCCH可监测时隙，从而可以确定在该M个服务小区上如何进行PDCCH监测或配置PDCCH监测时隙。
可以理解，在上述第二种情况下，N＝M。
示例性地，PDCCH可监测时隙中，上述slot组的时域起始位置可以与子帧(subframe)的起始时隙相同，上述Y个slot可以为slot组中的前Y个slot。
本申请实施例中，由于主小区可以对应有公共搜索空间配置，且公共搜索空间配置指示的公共搜索空间中封装有PDCCH配置信息，从而可以根据上述第一信息，可以确定PDCCH可监测时隙。如此，可以确定slot组中终端可以用于PDCCH监测的slot，即slot组中的Y个slot。
需要说明的是，本申请实施例提供的下行控制信道监测方法，执行主体可以为下行控制信道监测装置，或者，该下行控制信道监测装置中的用于执行下行控制信道监测方法的控制模块。本申请实施例中以下行控制信道监测装置执行下行控制信道监测方法为例，说明本申请实施例提供的下行控制信道监测装置。
如图6所示，本申请实施例提供一种下行控制信道监测装置300，该下行控制信道监测装置300包括确定模块301。确定模块，用于根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
可选地，在M个服务小区中的至少一个服务小区存在公共搜索空间配置或为主小区的情况下，确定模块301，具体用于按照第一搜索空间组的PDCCH配置信息，确定PDCCH可监测时隙；其中，第一搜索空间组包括至少一种类型的公共搜索空间。
可选地，确定PDCCH可监测时隙包括以下至少一项：
确定slot组的时域位置；
确定Y个slot在slot组的时域位置。
可选地，在slot组的时域位置确定的情况下，确定Y个slot在slot组的时域位置，包括：将第一搜索空间组中，在slot组第一个配置有PDCCH监测的slot，确定为Y个slot的起始slot；或将第一搜索空间组中，在时域资源中的每个slot组第一个配置有PDCCH监测的slot，确定为Y个slot的起始slot。
可选地，slot组的时域位置由以下至少一项确定：
协议预定义；
网络侧设备配置；
终端的其他服务小区中子载波间隔最小的服务小区的时域位置，其他服务 小区为具有时隙监测能力的小区。
可选地，在Y个slot在slot组的时域位置确定的情况下，确定slot组的时域位置，包括：将第一搜索空间组中，每个配置周期第一个配置有PDCCH监测的slot，确定为slot组的起始slot。
可选地，第一搜索空间组满足第一条件，第一条件包括以下至少一项：
第一搜索空间组的配置周期为X的整数倍；
第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的起始slot的时域位置相同；
第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的slot的个数小于或等于Y。
可选地，第一搜索空间组的PDCCH配置信息根据X的值和/或Y的值确定。
可选地，X的值由网络侧设备配置或由协议预定义，Y的值由网络侧设备配置或由协议预定义。
可选地，在第一搜索空间组发生变化的情况下，PDCCH可监测时隙同步变化。
可选地，在PDCCH可监测时隙变化的情况下，终端监测的其它搜索空间同步变化。
可选地，在M个服务小区均不存在公共搜索空间配置或均不为主小区的情况下，确定模块301，具体用于按照协议预定义的信息，确定M个服务小区的PDCCH可监测时隙。
本申请实施例提供的下行控制信道监测装置，由于主小区可以对应有公共搜索空间配置，且公共搜索空间配置指示的公共搜索空间中封装有PDCCH配置信息，从而可以根据上述第一信息，可以确定PDCCH可监测时隙。如此，可以确定slot组中终端可以用于PDCCH监测的slot，即slot组中的Y个slot。
本申请实施例中的下行控制信道监测装置可以是装置，具有操作***的装置或电子设备，也可以是终端中的部件、集成电路、或芯片。该装置或电子设备可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端11的类型，非移动终端可以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(Personal Computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例提供的下行控制信道监测装置能够实现上述的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
可选地，如图7所示，本申请实施例还提供一种通信设备400，包括处理器401，存储器402，存储在存储器402上并可在处理器401上运行的程序或指令，例如，该通信设备400为终端时，该程序或指令被处理器401执行时实现上述下行控制信道监测方法实施例的各个过程，且能达到相同的技术效果。该通信设备400为网络侧设备时，该程序或指令被处理器401执行时实现上述下行控制信道监测方法实施例的各个过程，且能达到相同的技术效果，为避免 重复，这里不再赘述。
本申请实施例还提供一种终端，包括处理器和通信接口，处理器用于根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。该终端实施例是与上述方法实施例对应的，上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中，且能达到相同的技术效果。具体地，图8为实现本申请实施例的一种终端的硬件结构示意图。
该终端100包括但不限于：射频单元101、网络模块102、音频输出单元103、输入单元104、传感器105、显示单元106、用户输入单元107、接口单元108、存储器109、以及处理器110等中的至少部分部件。
本领域技术人员可以理解，终端100还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理***与处理器110逻辑相连，从而通过电源管理***实现管理充电、放电、以及功耗管理等功能。图8中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元104可以包括图形处理器(Graphics Processing Unit，GPU)1041和麦克风1042，图形处理器1041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元106可包括显示面板1061，可以采用液晶显示器、有机发光二极管等形式来配置显示面板1061。用户输入单元107包括触控面板1071以及其他输入设备1072。触控面板1071，也称为触摸屏。触控面板1071可包括触摸检测装置和触摸控制器两个部分。其他输入设备1072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元101将来自网络侧设备的下行数据接收后，给处理器110处理；另外，将上行的数据发送给网络侧设备。通常，射频单元101包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器109可用于存储软件程序或指令以及各种数据。存储器109可主要包括存储程序或指令区和存储数据区，其中，存储程序或指令区可存储操作***、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器109可以包括高速随机存取存储器，还可以包括非易失性存储器，其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其 他非易失性固态存储器件。
处理器110可包括一个或多个处理单元；可选的，处理器110可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作***、用户界面和应用程序或指令等，调制解调处理器主要处理无线通信，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器110中。
处理器110，用于根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
本申请实施例提供的终端，由于主小区可以对应有公共搜索空间配置，且公共搜索空间配置指示的公共搜索空间中封装有PDCCH配置信息，从而可以根据上述第一信息，可以确定PDCCH可监测时隙。如此，可以确定slot组中终端可以用于PDCCH监测的slot，即slot组中的Y个slot。
本申请实施例还提供一种网络侧设备，包括处理器和通信接口，处理器用于用于根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，M个服务小区为具有多时隙监测能力的小区，第一信息为M个服务小区是否存在公共搜索空间配置，或M个服务小区是否包括主小区，M和N均为正整数，且M≥N；其中，PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。该网络侧设备实施例是与上述网络侧设备方法实施例对应的，上述方法实施例的各个实施过程和实现方式均可适用于该网络侧设备实施例中，且能达到相同的技术效果。
具体地，本申请实施例还提供了一种网络侧设备。如图9所示，该网络侧设备700包括：天线71、射频装置72、基带装置73。天线71与射频装置72连接。在上行方向上，射频装置72通过天线71接收信息，将接收的信息发送给基带装置73进行处理。在下行方向上，基带装置73对要发送的信息进行处理，并发送给射频装置72，射频装置72对收到的信息进行处理后经过天线71发送出去。
上述频带处理装置可以位于基带装置73中，以上实施例中网络侧设备执行的方法可以在基带装置73中实现，该基带装置73包括处理器74和存储器75。
基带装置73例如可以包括至少一个基带板，该基带板上设置有多个芯片，如图7所示，其中一个芯片例如为处理器74，与存储器75连接，以调用存储器75中的程序，执行以上方法实施例中所示的网络侧设备操作。
该基带装置73还可以包括网络接口76，用于与射频装置72交互信息，该接口例如为通用公共无线接口(Common Public Radio Interface，简称CPRI)。
具体地，本发明实施例的网络侧设备还包括：存储在存储器75上并可在 处理器74上运行的指令或程序，处理器74调用存储器75中的指令或程序执行图6所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
本申请实施例还提供一种可读存储介质，可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述下行控制信道监测方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，处理器为上述实施例中的终端中的处理器。可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片，芯片包括处理器和通信接口，通信接口和处理器耦合，处理器用于运行程序或指令，实现上述下行控制信道监测方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为***级芯片，***芯片，芯片***或片上***芯片等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络侧设备等)执行本申请各个实施例的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (27)

  1. 一种下行控制信道监测方法，所述方法包括：
    通信设备根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，所述M个服务小区为具有多时隙监测能力的小区，所述第一信息为所述M个服务小区是否存在公共搜索空间配置，或所述M个服务小区是否包括主小区，M和N均为正整数，且M≥N；
    其中，所述PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
  2. 根据权利要求1所述的方法，其中，在所述M个服务小区中的至少一个服务小区存在公共搜索空间配置或为主小区的情况下，所述确定终端的M个服务小区中的N个服务小区的PDCCH可监测时隙，包括：
    按照第一搜索空间组的PDCCH配置信息，确定所述PDCCH可监测时隙；
    其中，所述第一搜索空间组包括至少一种类型的公共搜索空间。
  3. 根据权利要求2所述的方法，其中，所述确定所述PDCCH可监测时隙包括以下至少一项：
    确定所述slot组的时域位置；
    确定所述Y个slot在所述slot组的时域位置。
  4. 根据权利要求3所述的方法，其中，在所述slot组的时域位置确定的情况下，所述确定所述Y个slot在所述slot组的时域位置，包括：
    将所述第一搜索空间组中，在所述slot组第一个配置有PDCCH监测的slot，确定为所述Y个slot的起始slot；或者
    将所述第一搜索空间组中，在时域资源中的每个slot组第一个配置有PDCCH监测的slot，确定为所述Y个slot的起始slot。
  5. 根据权利要求4所述的方法，其中，所述slot组的时域位置由以下至少一项确定：
    协议预定义；
    网络侧设备配置；
    所述终端的其他服务小区中子载波间隔最小的服务小区的时域位置，所述其他服务小区为具有时隙监测能力的小区。
  6. 根据权利要求3所述的方法，其中，在所述Y个slot在所述slot组的时域位置确定的情况下，所述确定所述slot组的时域位置，包括：
    将所述第一搜索空间组中，每个配置周期第一个配置有PDCCH监测的slot，确定为所述slot组的起始slot。
  7. 根据权利要求4或6所述的方法，其中，所述第一搜索空间组满足第一条件，所述第一条件包括以下至少一项：
    所述第一搜索空间组的配置周期为X的整数倍；
    所述第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的起始slot的时域位置相同；
    所述第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的 slot的个数小于或等于Y。
  8. 根据权利要求2所述的方法，其中，所述第一搜索空间组的PDCCH配置信息根据X的值和/或Y的值确定。
  9. 根据权利要求8所述的方法，其中，X的值由网络侧设备配置或由协议预定义，Y的值由网络侧设备配置或由协议预定义。
  10. 根据权利要求2所述的方法，其中，在所述第一搜索空间组发生变化的情况下，所述PDCCH可监测时隙同步变化。
  11. 根据权利要求9所述的方法，其中，在所述PDCCH可监测时隙变化的情况下，终端监测的其它搜索空间同步变化。
  12. 根据权利要求1所述的方法，其中，在所述M个服务小区均不存在公共搜索空间配置或均不为主小区的情况下，所述确定终端的M个服务小区中的N个服务小区的PDCCH可监测时隙，包括：
    按照协议预定义的信息，确定所述M个服务小区的PDCCH可监测时隙。
  13. 根据权利要求1所述的方法，其中，所述通信设备为所述终端或网络侧设备。
  14. 一种下行控制信道监测装置，包括：
    确定模块，用于根据第一信息，确定终端的M个服务小区中的N个服务小区的物理下行控制信道PDCCH可监测时隙，所述M个服务小区为具有多时隙监测能力的小区，所述第一信息为所述M个服务小区是否存在公共搜索空间配置，或所述M个服务小区是否包括主小区，M和N均为正整数，且M≥N；
    其中，所述PDCCH可监测时隙为包含X个时隙slot的slot组中的Y个slot，X和Y均为正整数，且X≥Y。
  15. 根据权利要求14所述的装置，其中，在所述M个服务小区中的至少一个服务小区存在公共搜索空间配置或为主小区的情况下，所述确定模块，具体用于按照第一搜索空间组的PDCCH配置信息，确定所述PDCCH可监测时隙；
    其中，所述第一搜索空间组包括至少一种类型的公共搜索空间。
  16. 根据权利要求15所述的装置，其中，所述确定所述PDCCH可监测时隙包括以下至少一项：
    确定所述slot组的时域位置；
    确定所述Y个slot在所述slot组的时域位置。
  17. 根据权利要求16所述的装置，其中，在所述slot组的时域位置确定的情况下，所述确定所述Y个slot在所述slot组的时域位置，包括：
    将所述第一搜索空间组中，在所述slot组第一个配置有PDCCH监测的slot，确定为所述Y个slot的起始slot；或者
    将所述第一搜索空间组中，在时域资源中的每个slot组第一个配置有PDCCH监测的slot，确定为所述Y个slot的起始slot。
  18. 根据权利要求17所述的装置，其中，所述slot组的时域位置由以下至 少一项确定：
    协议预定义；
    网络侧设备配置；
    终端的其他服务小区中子载波间隔最小的服务小区的时域位置，所述其他服务小区为具有时隙监测能力的小区。
  19. 根据权利要求16所述的装置，其中，在所述Y个slot在所述slot组的时域位置确定的情况下，所述确定所述slot组的时域位置，包括：
    将所述第一搜索空间组中，每个配置周期第一个配置有PDCCH监测的slot，确定为所述slot组的起始slot。
  20. 根据权利要求17或19所述的装置，其中，所述第一搜索空间组满足第一条件，所述第一条件包括以下至少一项：
    所述第一搜索空间组的配置周期为X的整数倍；
    所述第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的起始slot的时域位置相同；
    所述第一搜索空间组在时域资源的每个slot组中配置有PDCCH监测的slot的个数小于或等于Y。
  21. 根据权利要求15所述的装置，其中，所述第一搜索空间组的PDCCH配置信息根据X的值和/或Y的值确定。
  22. 根据权利要求21所述的装置，其中，X的值由网络侧设备配置或由协议预定义，Y的值由网络侧设备配置或由协议预定义。
  23. 根据权利要求15所述的装置，其中，在所述第一搜索空间组发生变化的情况下，所述PDCCH可监测时隙同步变化。
  24. 根据权利要求23所述的装置，其中，在所述PDCCH可监测时隙变化的情况下，终端监测的其它搜索空间同步变化。
  25. 根据权利要求14所述的装置，其中，在所述M个服务小区均不存在公共搜索空间配置或均不为主小区的情况下，所述确定模块，具体用于按照协议预定义的信息，确定所述M个服务小区的PDCCH可监测时隙。
  26. 一种通信设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至13中的任一项所述的下行控制信道监测方法的步骤。
  27. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1至13中的任一项所述的下行控制信道监测方法的步骤。
PCT/CN2022/122140 2021-09-30 2022-09-28 下行控制信道监测方法、装置及通信设备 WO2023051609A1 (zh)

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