WO2021239040A1 - 控制信息dci传输方法及相关设备 - Google Patents

控制信息dci传输方法及相关设备 Download PDF

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Publication number
WO2021239040A1
WO2021239040A1 PCT/CN2021/096262 CN2021096262W WO2021239040A1 WO 2021239040 A1 WO2021239040 A1 WO 2021239040A1 CN 2021096262 W CN2021096262 W CN 2021096262W WO 2021239040 A1 WO2021239040 A1 WO 2021239040A1
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search space
cell
pdcch candidates
pcell
time unit
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PCT/CN2021/096262
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English (en)
French (fr)
Inventor
李娜
刘思綦
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to KR1020227045874A priority Critical patent/KR20230017276A/ko
Priority to JP2022565858A priority patent/JP7508583B2/ja
Priority to EP21814144.8A priority patent/EP4160967A4/en
Publication of WO2021239040A1 publication Critical patent/WO2021239040A1/zh
Priority to US17/989,421 priority patent/US20230085345A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0096Indication of changes in allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/046Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035Resource allocation in a cooperative multipoint environment

Definitions

  • This application belongs to the field of communication technology, and in particular relates to a method for transmitting control information DCI and related equipment.
  • a physical downlink control channel (Physical downlink control channel, PDCCH) carries downlink control information (Downlink Control Information, DCI).
  • DCI Downlink Control Information
  • L 1, 2, 4, 8, or 16 CCEs can be allocated, where the number of CCEs of the DCI is expressed as aggregation level (AL).
  • the network device configuration can be search space (Search space, SS) set, SS includes the following two types:
  • a user-specific search space (UE-specific Search Space, USS) set monitored by a single terminal (User Equipment, UE).
  • the UE is further configured with PDCCH candidates (PDCCH candidates) that it needs to monitor (monitoring).
  • PDCCH candidates PDCCH candidates
  • the UE will perform blind decoding on the PDCCH candidates carrying DCI to demodulate and schedule its own control information. Monitoring a large number of PDCCH candidates or CCEs will increase the complexity of the UE.
  • the NR system specifies the maximum number of blind detections and the maximum number of channel estimates for the UE in a unit time, that is, blind detection in all search spaces The sum of the total and the channel estimation cannot exceed the upper limit.
  • the number of PDCCH candidates/CCEs changes between time slots. Therefore, allowing the base station (BS) to configure the UE for each time slot (slot) or the number of PDCCH candidates/CCEs for the first monitoring span (span) of each slot exceeds the capacity limit of the UE, which is also called overbooking.
  • the system only supports self-carrier scheduling of the PCell, and the primary cell (Pcell) is usually configured to send multiple CSS sets and USS sets, so that the PDCCH overhead of the PCell is relatively large.
  • the purpose of the embodiments of the present application is to provide a control information DCI transmission method and related equipment, which can solve the problem of large PDCCH overhead of the PCell.
  • a method for transmitting control information DCI which is applied to a terminal, and includes:
  • the first search space set is any search space set in the N search space sets, at least one search space set in the N search space sets includes a first search space, and the first search space is the first search space set.
  • the cell schedules a search space for a second cell, the first cell is a secondary cell Scell, and the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal.
  • a device for transmitting control information DCI including:
  • the receiving module is used to transmit configuration information, where the configuration information is used to allocate N search space sets, where N is a positive integer;
  • the discarding module is configured to discard part or all of the PDCCH candidates in at least one search space in the first search space set when the number of PDCCH candidates in the first search space set is greater than the maximum number of PDCCH candidates supported by the terminal to obtain a second search Space set
  • a detection module configured to transmit DCI on the second search space set
  • the first search space set is any search space set in the N search space sets, at least one search space set in the N search space sets includes a first search space, and the first search space is the first search space set.
  • the cell schedules a search space for a second cell, the first cell is a secondary cell Scell, and the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal.
  • a communication device in a third aspect, includes a processor, a memory, and a program or instruction that is stored on the memory and can run on the processor, and the program or instruction is executed by the processor.
  • a readable storage medium is provided, and a program or instruction is stored on the readable storage medium, and the program or instruction implements the steps of the method described in the first aspect when the program or instruction is executed by a processor.
  • an embodiment of the present application 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 a network device program or instruction to achieve the following: The method described in one aspect.
  • configuration information is transmitted, and the configuration information is used to allocate N search space sets; when the number of PDCCH candidates in the first search space set is greater than the maximum number of PDCCH candidates supported by the terminal, the first search is discarded Part or all of the PDCCH candidates in at least one search space in the space set are used to obtain a second search space set; DCI is transmitted on the second search space set; wherein, the first search space set is any of the N search space sets.
  • a search space set, at least one search space set in the N search space sets includes a first search space, the first search space is a search space for a first cell to schedule a second cell, and the first cell is a secondary cell Scell
  • the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal. In this way, cross-carrier scheduling is implemented on the Scell, which can solve the problem of the limited capacity of the PCell control channel and reduce the PDCCH overhead of the PCell.
  • Figure 1 is a structural diagram of a network system applicable to an embodiment of the present application
  • Figure 2 is a schematic diagram of PDCCH candidate mapping rules
  • FIG. 3 is a flowchart of a DCI transmission method provided by an embodiment of the present application.
  • FIG. 4a is one of example diagrams of the maximum number of cross-carrier PDCCH candidates corresponding to the Pcell scheduled by the first cell in a DCI transmission method provided by an embodiment of the present application;
  • 4b is the second example diagram of the maximum number of cross-carrier PDCCH candidates corresponding to the Pcell scheduled by the first cell in a DCI transmission method provided by an embodiment of the present application;
  • FIG. 5a is the third example diagram of the maximum number of cross-carrier PDCCH candidates corresponding to the first cell scheduling Pcell in a DCI transmission method provided by an embodiment of the present application;
  • 5b is the fourth example diagram of the maximum number of cross-carrier PDCCH candidates corresponding to the Pcell scheduled by the first cell in a DCI transmission method provided by an embodiment of the present application;
  • FIG. 6 is one of the example diagrams of overbooked cells in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 7 is a second example diagram of an over-subscribed cell in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 8 is the third diagram of an example of an oversubscribed cell in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 9 is the fourth diagram of an example of an over-subscribed cell in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 10 is the fifth example diagram of an over-subscribed cell in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 11 is one of exemplary diagrams of SS discarding in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 12 is a second example diagram of SS discarding in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 13 is the third diagram of an example of SS discarding in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 14 is a fourth diagram of an example of SS discarding in a DCI transmission method provided by an embodiment of the present application.
  • FIG. 15 is a structural diagram of a DCI transmission device provided by an embodiment of the present application.
  • FIG. 16 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 17 is a structural diagram of a terminal provided by an embodiment of the present application.
  • FIG. 18 is a structural diagram of a network device provided by an embodiment of the present application.
  • first and second in the specification and claims of this application are used to distinguish similar objects, but not to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first” and “second” It is usually one type, and the number of objects is not limited.
  • the first object may be one or more.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the associated objects before and after are in an "or” relationship.
  • LTE Long Term Evolution
  • 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 aforementioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network device 12.
  • the terminal 11 may also be referred to as a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer or a personal digital device.
  • UE User Equipment
  • PDA Personal Digital Assistant
  • handheld computer netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or in-vehicle device (VUE), pedestrian terminal (PUE) and other terminal side devices
  • UMPC ultra-mobile personal computer
  • MID mobile Internet device
  • Wearable Device Wearable Device
  • VUE in-vehicle device
  • PUE pedestrian terminal
  • other terminal side devices wearable devices include: bracelets, earphones, glasses, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application.
  • the network device 12 may be a base station or a core network, where the base station may be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS), radio base station, radio transceiver, basic service set (Basic Service Set, BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Transmit and Receive Transmitting Receiving Point (TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiments of this application, only NR is used. The base station in the system is taken as an example, but the specific type of the base station is not limited.
  • the number of PDCCH candidates/CCEs changes between time slots. Therefore, the number of PDCCH candidates/CCEs that allow the network device to configure each slot or the first monitoring span (span) of each slot for the UE exceeds the capability limit of the UE. In the embodiment of the present application, it may be referred to as overbooking. Based on this configuration, for each slot or the first span of each slot, the UE and network equipment map the PDCCH candidate in each slot according to the following mapping rules/sequence:
  • the monitoring time configuration of CSS, USS#1, and USS#2 is as follows. For slots 1, 5, and 9 after CSS and USS#1 are mapped, USS#2 cannot be further mapped, which means that the user's ability is exceeded and USS#2 cannot be further mapped. .
  • the downlink bandwidth part Downlink Bandwidth Part, DL BWP
  • SCS configuration ⁇ ⁇ ⁇ 0,1,2,3 ⁇
  • DL BWP with SCS configuration ⁇ 0,1,2,3 ⁇ the maximum number of non-overlapping CCEs per time slot for:
  • the time granularity of PDCCH monitoring is changed from slot to span granularity with (x, y) as a combination, where x is two The minimum time interval (number of symbols) of the start symbol of a span, and y is the maximum time that the span can last.
  • DL BWP with SCS configuration ⁇ 0,1 ⁇ the maximum number of monitored PDCCH candidates in the span of (x, y) for:
  • DL BWP with SCS configuration ⁇ 0,1 ⁇ the maximum number of non-overlapping CCEs in the span of the combination (x, y) for:
  • the network side ensures that the number of blind PDCCH candidates and the maximum number of non-overlapping CCEs do not exceed the maximum number of blind detections supported by the UE and the maximum number of channel estimates.
  • PCells are generally deployed in low frequency band carriers.
  • low-band carriers have insufficient bandwidth and have been deployed in large numbers to other series, such as Long Term Evolution (LTE).
  • LTE Long Term Evolution
  • the high-frequency carrier can be configured as an SCell and the PCell can be scheduled through the SCell to solve the problem of the limited capacity of the PCell control channel and reduce the control channel PDCCH overhead.
  • the proposal of this application is proposed.
  • FIG. 3 is a flowchart of a DCI transmission method provided by an embodiment of the present application. The method is applied to a terminal or a network device. As shown in FIG. 3, it includes the following steps:
  • Step 301 Transmit configuration information, where the configuration information is used to allocate N search space sets, where N is a positive integer;
  • Step 302 When the number of PDCCH candidates in the first search space set is greater than the maximum number of PDCCH candidates supported by the terminal, discard part or all of the PDCCH candidates in at least one search space in the first search space set to obtain a second search space set ;
  • Step 303 Transmit DCI on the second search space set
  • the first search space set is any search space set in the N search space sets, at least one search space set in the N search space sets includes a first search space, and the first search space is the first search space set.
  • the cell schedules a search space for a second cell, the first cell is a secondary cell Scell, and the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal.
  • the aforementioned N search space sets can be understood as search space sets corresponding to N cells, where the search space set on each cell includes at least one search space.
  • the search space can be divided into many different types according to the scheduling mode. For example, it can include the above-mentioned first search space, and can also include other search spaces, such as the search space of Scell scheduling Pcell, the search space of Pcell self-scheduling, and Scell self-scheduling search space.
  • the search space for Scell scheduling Pcell can be called SP-CR-SS
  • the search space for Pcell self scheduling can be called P-Self-SS
  • the search space for Scell self scheduling can be called O-self-SS.
  • the search space for Scell scheduling other Scells can be called O-otherS-SS. It should be understood that each search space set may include at least one of the above search spaces, and the types of search spaces included in different search space sets may be the same or different, which is not further limited herein.
  • the second cell may be an Scell or a Pcell, and the number of the first cells may be one or more, and there may be one or more first cells that schedule the Pcell.
  • the foregoing first search space may include SP-CR-SS and O-otherS-SS.
  • the number of PDCCH candidates in the first search space set is greater than the maximum number of PDCCH candidates supported by the terminal, which can be understood as the cell configuring the first search space set to support overbooking.
  • the search space set of one or more cells may be configured as the aforementioned first search space set.
  • one or more cells may be configured to support overbooking.
  • the PCell when one cell is configured to support overbooking, the PCell can be configured to support overbooking, and the first cell can also be configured to support overbooking.
  • the cells that support overbooking may or may not include Pcell. No further restrictions are made here.
  • the number of PDCCH candidates mentioned above can be understood as the number of blind detection or the number of CCEs.
  • the above transmission of DCI may be understood as receiving DCI or sending DCI.
  • the network device sends DCI on the second search space set, and the terminal receives DCI on the second search space set.
  • the terminal may also be referred to as a user.
  • receiving DCI can be understood as blind detection of DCI.
  • blind decoding can be performed on PDCCH candidates in the second search space set to demodulate scheduled control information.
  • configuration information is transmitted, and the configuration information is used to allocate N search space sets; when the number of PDCCH candidates in the first search space set is greater than the maximum number of PDCCH candidates supported by the terminal, the first search is discarded Part or all of the PDCCH candidates in at least one search space in the space set are used to obtain a second search space set; DCI is transmitted on the second search space set; wherein, the first search space set is any of the N search space sets.
  • a search space set, at least one search space set in the N search space sets includes a first search space, the first search space is a search space for a first cell to schedule a second cell, and the first cell is a secondary cell Scell
  • the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal. In this way, cross-carrier scheduling is implemented on the Scell, which can solve the problem of the limited capacity of the PCell control channel and reduce the PDCCH overhead of the PCell.
  • the configuration information is also used to allocate a corresponding number of PDCCH candidates for each search space set.
  • the maximum number of PDCCH candidates supported by the terminal includes at least one of the following:
  • the maximum number of PDCCH candidates corresponding to Scells other than the first cell scheduled by the first cell is 0.
  • the above X can be understood as the maximum number of self-scheduled PDCCH candidates for each time unit on the Pcell.
  • the time unit can be understood as a slot or a span.
  • the above Y includes any one of the following:
  • the first time unit is: the time unit in the first cell subcarrier interval SCS
  • the second time unit is: the time unit in the Pcell SCS.
  • the P satisfies at least one of:
  • the third search space is a search space for Scell scheduling Pcell.
  • the number of PDCCH candidates belonging to the Pcell in the third search space can be understood as: the SP-CR-SS is included in the share of the blind detection of the Pcell.
  • the number of PDCCH candidates in the first search space and the number of PDCCH candidates belonging to the first cell can be understood as: the SP-CR-SS is calculated as the share of the first cell.
  • the number of PDCCH candidates executed by the terminal does not exceed the maximum number of PDCCH candidates supported by the terminal.
  • the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal, and includes at least one of the following:
  • the number of PDCCH candidates in the second search space in each second time unit is less than or equal to the X, and the second search space is a search space self-scheduled by the Pcell;
  • the number of PDCCH candidates in the third search space belongs to the number of PDCCH candidates in the Pcell, the number of PDCCH candidates in the third search space in each second time unit is less than or equal to the first value;
  • the number of PDCCH candidates in the third search space belongs to the number of PDCCH candidates in the first cell
  • the number of PDCCH candidates in the third search space in each first time unit is less than or equal to the second value ;
  • the first time unit is: the time unit in the SCS of the first cell
  • the second time unit is: the time unit in the Pcell SCS
  • the third search space is the search of the Scell scheduling Pcell space.
  • the foregoing first value satisfies at least one of the following:
  • the first value is (2 ⁇ )*Y, where: ⁇ 1 is PCell SCS, ⁇ 2 is the first cell SCS;
  • the first value is the Y.
  • the foregoing second value satisfies at least one of the following:
  • the second value is the Y
  • the second value is in, ⁇ 1 is the PCell SCS, and ⁇ 2 is the first cell SCS.
  • the SP-CR-SS when the SP-CR-SS is included in the Pcell blind detection share, if the slot or span uses the SCS of the PCell, it includes the following situations:
  • the SP-CR-SS does not exceed Y.
  • SP-CR-SS When SP-CR-SS is included in scheduling Scell blind inspection share, if slot or span uses SCell SCS, it includes the following situations:
  • Y is the maximum number of PDCCH candidates for each slot or each span of the SCS using scheduling Scell on the scheduling Scell, SP-CR-SS does not exceed Y;
  • the Pcell corresponding to the second search space set satisfies at least one of the following:
  • the sum of the number of PDCCH candidates in the second search space and the number of PDCCH candidates in the third search space is less than or equal to X+(2 ⁇ )*Y;
  • the sum of the number of PDCCH candidates in the third search space and the number of PDCCH candidates in the second search space is less than or equal to X +Y;
  • the sum of the number of PDCCH candidates in the first search space and the number of PDCCH candidates in the second search space is less than or equal to the P;
  • ⁇ 1 is the PCell SCS
  • ⁇ 2 is the first cell SCS
  • the first time unit is: the time unit in the first cell SCS
  • the second time unit is: the time in the Pcell SCS Unit
  • the second search space is a search space for Pcell self-scheduled
  • the third search space is a search space for Scell-scheduled Pcell.
  • the blind detection of SP-CR-SS is counted as part of the blind detection budget of the Pcell, which can be understood as dividing the blind detection resources based on the scheduled cell.
  • This division method is simple; and the subsequent Pcell can be used. Perform overbooking to reduce the user blocking rate when scheduling Pcell.
  • the second search space set corresponding to the first cell satisfies at least one of the following:
  • the number of PDCCH candidates in the second search space is less than or equal to the P;
  • the number of PDCCH candidates in the third search space belongs to the number of PDCCH candidates in the first cell
  • the number of PDCCH candidates in the third search space is less than or equal to the Y and meets a preset condition
  • the second search space is a search space for Pcell self-scheduled
  • the third search space is a search space for Scell-scheduled Pcell.
  • the blind detection of SP-CR-SS is counted as part of the blind detection budget of scheduling scell, which can be understood as the division of blind detection resources based on the scheduling cell.
  • This division method is flexible; and therefore, it can be performed for Scell subsequently Overbooking reduces the user blocking rate of scheduling scell.
  • the preset condition includes at least one of the following:
  • the first time unit is: the time unit in the SCS of the first cell
  • the second time unit is: the time unit in the Pcell SCS.
  • the total number of target PDCCH candidates is the sum of the number of PDCCH candidates in each search space in the target time unit in the M search spaces, and the M search spaces are the set of first search spaces corresponding to the target cell.
  • the target time is a time unit over which the target cell is over-booked.
  • the network device can ensure that the total number of PDCCH candidates in all search spaces in each time unit of the cell does not exceed the number of PDCCH candidates supported in each time unit of the cell.
  • the maximum number of PDCCH candidates On a cell that supports overbooking, if the total number of PDCCH candidates configured in all search spaces within a predetermined time unit exceeds the maximum number of PDCCH candidates supported by the cell in the time unit, the number of PDCCH candidates can be discarded according to a certain discarding rule. Until, the total number of PDCCH candidates in all search spaces in the over-predetermined time unit exceeds the maximum number of PDCCH candidates supported by the cell in the time unit.
  • the aforementioned target cell is the first cell or Pcell.
  • overbooking can be performed on Scell or overbooking on Pcell.
  • the time length of the aforementioned target time unit is determined according to the SCS of the target cell. For example, when the PCell supports oversubscription of the number of PDCCH candidates, the SCS of the PCell is used to determine the corresponding time length of the slot and/or span that supports the oversubscription. When the number of PDCCH candidates supported by the first cell is oversubscribed, the SCS of the first cell is used to determine the corresponding time length of the slot and/or span that supports the oversubscription.
  • the priority of each search space in the first search space set corresponding to the Pcell satisfies any one of the following:
  • the priority of the user-specific search space USS self-scheduled by PCell is higher than the priority of the third search space and lower than the priority of the public search space CSS self-scheduled by Pcell;
  • the third search space is higher than the priority of the USS self-scheduled by the PCell and lower than the priority of the USS self-scheduled by the PCell;
  • the third search space is a search space for Scell scheduling Pcell.
  • the search space for Scell scheduling Pcell is USS. It should be noted that when there are multiple Scells that can schedule Pcells across carriers, the priority of each cell and the priority of each cell can be defined. For example, in a case where there are L1 first cells, the priority of the L1 first cells meets at least one of the following:
  • the priority of the first cell of the first index value is higher than the priority of the first cell of the second index value, and the first index value is greater than or less than the second index value;
  • the priority of the third cell is higher than the priority of cells other than the third cell in the L1 first cells;
  • the priority of the third cell of the third index value is higher than the priority of the third cell of the fourth index value, and the third index value is greater than or less than the fourth index value;
  • L1 is an integer greater than 1
  • the third cell is a cell that simultaneously schedules Pcell and Scell among the L1 first cells.
  • the priority of each Scell can be understood as the priority of each Scell scheduling Pcell, and can also be understood as the priority of the search space of each Scell scheduling Pcell.
  • an SCell with a small SCell index has a high priority
  • an SCell with a third cell characteristic has a high priority; if there are multiple SCells with this characteristic, an SCell with a small SCell index value The priority is high.
  • the priority of each search space in the first search space set corresponding to the Pcell satisfies: Pcell self-scheduled CSS is greater than that of the first cell USS.
  • a small USS index value has a high priority or a USS with a characteristic T has a high priority; if there are multiple USSs with the same index value, a cell with a small index has a higher priority, or a The priority of the SCell with the three-cell characteristic is high; if there are multiple SCells with this characteristic, the SCell with a small SCell index value has a higher priority.
  • the L2 USS priorities satisfy at least one of the following:
  • the priority of the first USS is higher than the priority of the second USS, and the index value of the first USS is larger or smaller than the index value of the second USS;
  • the priority of the third USS is higher than the priority of the fourth USS, the third USS and the fourth USS are the same USS with the same index value of the L2 USS, and the cell index corresponding to the third USS is greater than or less than The cell index corresponding to the fourth USS;
  • the priority of the USS corresponding to the M third cells is higher than the priority of the USS corresponding to the fourth cell.
  • the USS corresponding to the fourth cell is a USS other than the USS corresponding to the M third cells among the L2 USSs;
  • the fifth USS is greater than the priority of the sixth USS
  • the fifth USS and the sixth USS are both USSs in the USS corresponding to the M third cells
  • the cell index corresponding to the fifth USS is greater than or Is smaller than the cell index corresponding to the sixth USS;
  • L2 is an integer greater than 1.
  • the discarding rule for discarding part or all of the PDCCH candidates in the at least one search space includes:
  • the discarding rule further includes:
  • the PDCCH candidates in the search space are discarded in order of priority from low to high.
  • the discarding rule when the target cell is a Pcell, the discarding rule further includes:
  • the discarding priority of the search space in the third time unit is greater than the discarding priority of the search space in the fourth time unit, wherein the third time unit and the fourth time unit are both time units in the target time unit, and The third time unit is earlier or later than the fourth time unit.
  • the target cell is a PCell
  • one slot and/or one span of the SCell corresponds to one or more slots and/or one or more spans of the PCell
  • the priority of the smaller SS ID is higher.
  • the user will give up all the PDCCH candidates in the SS ID in descending order of the SS ID until the number of blind detections does not exceed The maximum number of blind checks supported by the UE.
  • the user first uses the PDCCH candidate in the SS as a unit, and then uses the SS as a unit to give up the number of blind checks.
  • it can include the following abandonment steps including:
  • Step 1 Taking the PDCCH candidates in the SS as the unit, the priority of PDCCH candidates with high or low aggregation level is high, and the user will give up the PDCCH candidates in the order of high to low or low to high required by the PDCCH candidates. PDCCH candidates in the SS ID.
  • Step 2 If the discarding of all PDCCH candidates in the SS still exceeds the maximum number of blind detections supported by the UE, then use the SS as the unit and follow the step 1 method to discard the candidates in the descending order of the SS ID. Repeat steps 1 and 2 until the number of blind checks does not exceed the maximum number of blind checks supported by the UE.
  • the target cell is a PCell
  • the following methods can be used to discard PDCCH candidates:
  • Method 1 The order of priority is: use the method corresponding to step 1 and step 2 above on the earlier or later overlapped 1 slot and/or 1 span, and use the PDCCH candidate in the SS or SS as the unit Abandon the blind inspection. If the maximum number of blind inspections supported by the user is still exceeded after abandoning the blind inspection, then the next or previous slot and/or the next or previous span will follow the steps 1 and 2 above to perform the blind inspection abandon. Until the number of blind checks does not exceed the maximum number of blind checks supported by the UE.
  • Method 2 The order of priority is: use the corresponding method of step 1 and step 2 on all overlapped slots and/or spans to perform blind detection and abandon with the PDCCH candidate in the SS or SS as the unit.
  • the SS ID and/or multiple PDCCH candidates have the same aggregation level, and the smaller or larger slot index/span index has a higher priority.
  • the SS when the target cell is the first cell, in each slot or each span of the SCell, the SS is the unit, and the SS is the unit.
  • the priority of the smaller SS ID is higher, and the user All PDCCH candidates in the SS ID are discarded in the descending order of the SS ID until the number of blind detections does not exceed the maximum number of blind detections supported by the UE.
  • the user first uses the PDCCH candidate in the SS as a unit, and then uses the SS as a unit to give up the number of blind checks.
  • it can include the following abandonment steps including:
  • Step 3 Taking the PDCCH candidates in the SS as the unit, the priority of PDCCH candidates with high or low aggregation levels is high, and the user will give up the PDCCH candidates in the order of high to low or low to high required to form the PDCCH candidates. PDCCH candidates in the SS ID.
  • Step 4 If the discarding of all PDCCH candidates in the SS still exceeds the maximum number of blind detections supported by the UE, then the SS is used as a unit and the SS ID is in descending order, and the candidates are discarded according to the method in step 1. Repeat steps 3 and 4 until the number of blind checks does not exceed the maximum number of blind checks supported by the UE.
  • the DCI transmission method provided by the embodiments of this application can support self-scheduling of one cell while being scheduled by another cell, such as monitoring the scheduling DCI of PCell and SCell to PCell, and assigning the largest PDCCH candidate for UE blind detection between the two scheduling cells
  • the maximum number of non-overlapping CCEs, etc. can help network equipment make maximum use of user blind detection capabilities and avoid multi-user congestion.
  • this application provides a method for the user to perform blind detection and discarding on a cell that can support overbooking when the maximum number of blind detections exceeds the user's ability, and to prioritize important blind detections to ensure network performance.
  • the cell that supports PDCCH overbooking is a scheduled cell, which specifically includes the following situations:
  • Case 1 When the Pcell does not have self-carrier scheduling, the case of supporting overbooking will be described with reference to FIG. 6 to FIG. 8.
  • the cell that supports overbooking is secondary cell 1.
  • the cells that support overbooking are secondary cell 1 and secondary cell 2.
  • the cell that supports overbooking is the secondary cell 1.
  • Case 2 When the Pcell has self-carrier scheduling, the case of supporting overbooking will be described with reference to FIG. 9 to FIG. 10. As shown in Figure 9, when the self-carrier scheduling is the first type of CSS, the cells that support overbooking are the secondary cell 1 and the primary cell. As shown in FIG. 10, when the subcarrier scheduling is USS and/or the second type of CSS, the cell that supports overbooking is the secondary cell 1.
  • a cell supporting PDCCH overbooking is a scheduled cell, that is, a Pcell, regardless of whether the Pcell has self-carrier scheduling or not, the cell supporting overbooking is a Pcell.
  • the Pcell is added as a cell that supports overbooking.
  • the method for the UE to abandon the blind check of the search space includes the following methods:
  • Method 1 PCell supports overbooking of blind detection numbers, and the SCS of PCell is used to determine the corresponding slot and/or span time length that supports overbooking.
  • one slot of the SCell corresponds to one or more slots of the PCell.
  • the maximum number of blind detections supported by the user on the PCell is 2.
  • Slot n on the PCell the PCell self-scheduling priority is higher than the SCell cross-carrier scheduling, and the USS that schedules the PCell on the SCell has a large SS ID first. Such as USS#2, then USS#1.
  • USS#2 the number of blind detections on the PCell still exceeds 2
  • the SS on the PCell is discarded.
  • the priority of the USS is lower than that of the CSS, and the priority of the SS with a large SS ID is lower; then use the same method to handle the slot n +1.
  • multiple slots of SCell correspond to 1 slot of PCell.
  • each USS is used to schedule Pcells.
  • the maximum number of blind checks supported by the user on the PCell is 3.
  • the SS is discarded in 1 slot of the earliest overlapped Scell, that is, slot n. After the blind check is abandoned, the maximum number of blind checks supported by the user is still exceeded.
  • One slot, namely slot(n+1), is then discarded by SS, and the SS with a large SS ID in each slot has a low priority.
  • the maximum number of blind detections supported by the user on the PCell is 2. Use the above steps 1 and 2 on all overlapped slots to perform blind detection with SS as the unit. When multiple SSs have the same SS ID , The slot index with a larger slot index has a lower priority.
  • Method 2 Use the SCS of the SCell to determine the length of the slot.
  • Each slot or each span of the Scell can support overbooking.
  • the maximum number of blind detections supported by the user on the SCell is 3.
  • the user uses the method corresponding to the above steps 1 and 2 on each slot on the SCell to use the SS as The unit performs blind detection and abandonment, and the priority is defined as Scell self-scheduled CSS>SCell cross-carrier scheduling USS of PCell>Scell self-scheduled USS ⁇ SCell cross-carrier scheduling USS of other SCells, SCells with a small SS ID have a higher priority.
  • the execution subject may be a DCI transmission device, or a control module used to execute the DCI transmission method in the DCI transmission device.
  • the DCI transmission method performed by the DCI transmission apparatus is taken as an example to illustrate the DCI transmission apparatus provided in the embodiment of the present application.
  • FIG. 15 is a structural diagram of a DCI transmission apparatus according to an embodiment of the present application. As shown in FIG. 15, the DCI transmission apparatus 1500 includes:
  • the receiving module 1501 is configured to transmit configuration information, where the configuration information is used to allocate N search space sets, where N is a positive integer;
  • the discarding module 1502 is configured to discard part or all of the PDCCH candidates in at least one search space in the first search space set when the number of PDCCH candidates in the first search space set is greater than the maximum number of PDCCH candidates supported by the terminal to obtain the second Search space set;
  • the detection module 1503 is configured to transmit DCI on the second search space set
  • the first search space set is any search space set in the N search space sets, at least one search space set in the N search space sets includes a first search space, and the first search space is the first search space set.
  • the cell schedules a search space for a second cell, the first cell is a secondary cell Scell, and the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal.
  • the configuration information is also used to allocate a corresponding number of PDCCH candidates for each search space set.
  • the maximum number of PDCCH candidates supported by the terminal includes at least one of the following:
  • the maximum number of PDCCH candidates corresponding to Scells other than the first cell scheduled by the first cell is 0.
  • the Y includes any one of the following:
  • the first time unit is: the time unit in the first cell subcarrier interval SCS
  • the second time unit is: the time unit in the Pcell SCS.
  • the P satisfies at least one of:
  • the third search space is a search space for Scell scheduling Pcell.
  • the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal, and includes at least one of the following:
  • the number of PDCCH candidates in the second search space in each second time unit is less than or equal to the X, and the second search space is a search space self-scheduled by the Pcell;
  • the number of PDCCH candidates in the third search space belongs to the number of PDCCH candidates in the Pcell, the number of PDCCH candidates in the third search space in each second time unit is less than or equal to the first value;
  • the number of PDCCH candidates in the third search space belongs to the number of PDCCH candidates in the first cell
  • the number of PDCCH candidates in the third search space in each first time unit is less than or equal to the second value ;
  • the first time unit is: the time unit in the SCS of the first cell
  • the second time unit is: the time unit in the Pcell SCS
  • the third search space is the search of the Scell scheduling Pcell space.
  • the first value satisfies at least one of the following:
  • the first value is (2 ⁇ )*Y, where: ⁇ 1 is PCell SCS, ⁇ 2 is the first cell SCS;
  • the first value is the Y.
  • the second value satisfies at least one of the following:
  • the second value is the Y
  • the second value is in, ⁇ 1 is the PCell SCS, and ⁇ 2 is the first cell SCS.
  • the Pcell corresponding to the second search space set satisfies at least one of the following:
  • the sum of the number of PDCCH candidates in the second search space and the number of PDCCH candidates in the third search space is less than or equal to X+(2 ⁇ )*Y;
  • the sum of the number of PDCCH candidates in the third search space and the number of PDCCH candidates in the second search space is less than or equal to X +Y;
  • the sum of the number of PDCCH candidates in the first search space and the number of PDCCH candidates in the second search space is less than or equal to the P;
  • ⁇ 1 is the PCell SCS
  • ⁇ 2 is the first cell SCS
  • the first time unit is: the time unit in the first cell SCS
  • the second time unit is: the time in the Pcell SCS Unit
  • the second search space is a search space for Pcell self-scheduled
  • the third search space is a search space for Scell-scheduled Pcell.
  • the second search space set corresponding to the first cell satisfies at least one of the following:
  • the number of PDCCH candidates in the second search space is less than or equal to the P;
  • the number of PDCCH candidates in the third search space belongs to the number of PDCCH candidates in the first cell
  • the number of PDCCH candidates in the third search space is less than or equal to the Y and meets a preset condition
  • the second search space is a search space for Pcell self-scheduled
  • the third search space is a search space for Scell-scheduled Pcell.
  • the preset condition includes at least one of the following:
  • the first time unit is: the time unit in the SCS of the first cell
  • the second time unit is: the time unit in the Pcell SCS.
  • the second cell is Scell or Pcell.
  • the discarding module 1502 is specifically configured to discard part of at least one search space or PDCCH candidates in the first search space set when the total number of target PDCCH candidates is greater than the maximum total number of PDCCH candidates supported by the target cell of the terminal;
  • the total number of target PDCCH candidates is the sum of the number of PDCCH candidates in each search space in the target time unit in the M search spaces, and the M search spaces are the set of first search spaces corresponding to the target cell.
  • the target time is a time unit over which the target cell is over-booked.
  • the target cell is the first cell or Pcell.
  • the time length of the target time unit is determined according to the SCS of the target cell.
  • the priority of each search space in the first search space set corresponding to the Pcell satisfies any one of the following:
  • the priority of the user-specific search space USS self-scheduled by PCell is higher than the priority of the third search space and lower than the priority of the public search space CSS self-scheduled by Pcell;
  • the third search space is higher than the priority of the USS self-scheduled by the PCell and lower than the priority of the USS self-scheduled by the PCell;
  • the third search space is a search space for Scell scheduling Pcell.
  • the priority of the L1 first cells meets at least one of the following:
  • the priority of the first cell of the first index value is higher than the priority of the first cell of the second index value, and the first index value is greater than or less than the second index value;
  • the priority of the third cell is higher than the priority of cells other than the third cell in the L1 first cells;
  • the priority of the third cell of the third index value is higher than the priority of the third cell of the fourth index value, and the third index value is greater than or less than the fourth index value;
  • L1 is an integer greater than 1
  • the third cell is a cell that simultaneously schedules Pcell and Scell among the L1 first cells.
  • the priority of each search space in the first search space set corresponding to the Pcell satisfies: the CSS self-scheduled by the Pcell is greater than the USS of the first cell.
  • the L2 USS priorities satisfy at least one of the following:
  • the priority of the first USS is higher than the priority of the second USS, and the index value of the first USS is larger or smaller than the index value of the second USS;
  • the priority of the third USS is higher than the priority of the fourth USS, the third USS and the fourth USS are the same USS with the same index value of the L2 USS, and the cell index corresponding to the third USS is greater than or less than The cell index corresponding to the fourth USS;
  • the priority of the USS corresponding to the M third cells is higher than the priority of the USS corresponding to the fourth cell.
  • the USS corresponding to the fourth cell is a USS other than the USS corresponding to the M third cells among the L2 USSs;
  • the fifth USS is greater than the priority of the sixth USS
  • the fifth USS and the sixth USS are both USSs in the USS corresponding to the M third cells
  • the cell index corresponding to the fifth USS is greater than or Is smaller than the cell index corresponding to the sixth USS;
  • L2 is an integer greater than 1.
  • the priority of each search space in the first search space set corresponding to the first cell satisfies any one of the following:
  • the self-scheduled CSS of the first cell is greater than the priority of the USS of the Pcell scheduled by the first cell, and the USS of the Pcell scheduled by the first cell is greater than the priority of the USS of the first cell self-scheduled.
  • the priority of the USS self-scheduled by the cell is greater than the priority of the USS for the cross-carrier scheduling Scell of the first cell;
  • the self-scheduled CSS of the first cell is greater than the priority of the self-scheduled USS of the first cell
  • the self-scheduled USS of the first cell is greater than the priority of the USS of the first cell-scheduled Pcell
  • the first The priority of the USS of the cell scheduling Pcell is greater than the priority of the USS of the first cell cross-carrier scheduling Scell
  • the self-scheduled CSS of the first cell is greater than the self-scheduled USS of the first cell and the priority of the first search space set.
  • the discarding rule for discarding part or all of the PDCCH candidates in the at least one search space includes:
  • the discarding rule further includes:
  • the PDCCH candidates in the search space are discarded in order of priority from low to high.
  • the discarding rule when the target cell is a Pcell, the discarding rule further includes:
  • the discarding priority of the search space in the third time unit is greater than the discarding priority of the search space in the fourth time unit, wherein the third time unit and the fourth time unit are both time units in the target time unit, and The third time unit is earlier or later than the fourth time unit.
  • the DCI transmission device in the embodiment of the present application may be a device, or a component, integrated circuit, or chip in a terminal.
  • the device can be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but is not limited to the types of the terminal 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television ( Television, TV), teller machines, self-service machines, etc., are not specifically limited in the embodiments of the present application.
  • the DCI transmission device in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.
  • the DCI transmission device provided in the embodiment of the present application can implement the various processes implemented in the method embodiment in FIG. 3 and achieve the same technical effect. To avoid repetition, details are not described herein again.
  • an embodiment of the present application further provides a communication device 1600, including a processor 1601, a memory 1602, and programs or instructions that are stored on the memory 1602 and run on the processor 1601,
  • a communication device 1600 including a processor 1601, a memory 1602, and programs or instructions that are stored on the memory 1602 and run on the processor 1601
  • the communication device 1600 is a terminal
  • the program or instruction is executed by the processor 1601
  • each process of the foregoing DCI transmission method embodiment is implemented, and the same technical effect can be achieved.
  • the communication device 1600 is a network device
  • the program or instruction is executed by the processor 1601
  • each process of the foregoing DCI transmission method embodiment is realized, and the same technical effect can be achieved. To avoid repetition, details are not described herein again.
  • FIG. 17 is a schematic diagram of the hardware structure of a terminal that implements each embodiment of the present application.
  • the terminal 1700 includes but is not limited to: a radio frequency unit 1701, a network module 1702, an audio output unit 1703, an input unit 1704, a sensor 1705, a display unit 1706, a user input unit 1707, an interface unit 1708, a memory 1709, a processor 1710 and other components.
  • the terminal 1700 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1710 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 17 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or combine some components, or different component arrangements, which will not be repeated here.
  • the input unit 1704 may include a graphics processing unit (GPU) 17041 and a microphone 17042.
  • the graphics processor 17041 is paired by the image capture device ( For example, the image data of the still picture or video obtained by the camera) is processed.
  • the display unit 1706 may include a display panel 17061, and the display panel 17061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1707 includes a touch panel 17071 and other input devices 17072.
  • the touch panel 17071 is also called a touch screen.
  • the touch panel 17071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 17072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the radio frequency unit 1701 receives the downlink data from the network device and sends it to the processor 1710 for processing; in addition, it sends the uplink data to the network device.
  • the radio frequency unit 1701 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 1709 can be used to store software programs or instructions and various data.
  • the memory 109 may mainly include a storage program or instruction area and a data storage area, where the storage program or instruction area may store an operating system, an application program or instruction required by at least one function (such as a sound playback function, an image playback function, etc.).
  • the memory 1709 may include a high-speed random access memory, and may also include a non-volatile memory, where the non-volatile memory may be a read-only memory (Read-Only Memory, ROM) or 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
  • flash memory For example, at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1710 may include one or more processing units; optionally, the processor 1710 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs or instructions, etc.
  • the modem processor mainly deals with wireless communication, such as a baseband processor. It can be understood that the foregoing modem processor may not be integrated into the processor 1710.
  • the radio frequency unit 1701 is used to transmit configuration information, and the configuration information is used to allocate N search space sets, where N is a positive integer;
  • the processor 1710 is configured to, when the number of PDCCH candidates in the first search space set is greater than the maximum number of PDCCH candidates supported by the terminal, discard part or all of the PDCCH candidates in at least one search space in the first search space set to obtain the second Search space set;
  • the radio frequency unit 1701 is further configured to transmit DCI on the second search space set;
  • the first search space set is any search space set in the N search space sets, at least one search space set in the N search space sets includes a first search space, and the first search space is the first search space set.
  • the cell schedules a search space for a second cell, the first cell is a secondary cell Scell, and the number of PDCCH candidates in the second search space set is less than or equal to the maximum number of PDCCH candidates supported by the terminal.
  • processor 1710 and radio frequency unit 1701 can implement each process implemented by the terminal in the method embodiment of FIG.
  • the embodiment of the present application also provides a network device.
  • the network equipment 1800 includes: an antenna 1801, a radio frequency device 1802, and a baseband device 1803.
  • the antenna 1801 is connected to the radio frequency device 1802.
  • the radio frequency device 1802 receives information through the antenna 1801, and sends the received information to the baseband device 1803 for processing.
  • the baseband device 1803 processes the information to be sent and sends it to the radio frequency device 1802, and the radio frequency device 1802 processes the received information and sends it out via the antenna 1801.
  • the foregoing frequency band processing device may be located in the baseband device 1803, and the method executed by the network device in the foregoing embodiment may be implemented in the baseband device 1803, which includes a processor 1804 and a memory 1805.
  • the baseband device 1803 may include, for example, at least one baseband board, and multiple chips are arranged on the baseband board, as shown in FIG.
  • the network device shown in the above method embodiment operates.
  • the baseband device 1803 may also include a network interface 1806 for exchanging information with the radio frequency device 1802, and the interface is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network device of the embodiment of the present application further includes: instructions or programs that are stored in the memory 1805 and can run on the processor 1804, and the processor 1804 calls the instructions or programs in the memory 1805 to execute each module shown in FIG. 15
  • the embodiment of the present application also provides a readable storage medium with a program or instruction stored on the readable storage medium.
  • the program or instruction is executed by a processor, each process of the foregoing DCI transmission method embodiment is realized, and the same can be achieved. In order to avoid repetition, I won’t repeat them here.
  • the processor is the processor in the electronic device described in the foregoing embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks, or optical disks.
  • An embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used to run a network device program or instruction to implement the foregoing transmission method embodiment
  • the chip includes a processor and a communication interface
  • the communication interface is coupled with the processor
  • the processor is used to run a network device program or instruction to implement the foregoing transmission method embodiment
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
  • the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. ⁇
  • the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a base station, etc.) execute the methods described in the various embodiments of the present application.

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Abstract

本申请公开了一种DCI传输方法及相关设备,包括:传输配置信息,配置信息用于分配N个搜索空间集;在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;在第二搜索空间集上传输DCI;其中,第一搜索空间集为N个搜索空间集中任一个搜索空间集,N个搜索空间集中至少一个搜索空间集包括第一搜索空间,第一搜索空间为第一小区调度第二小区的搜索空间,第一小区为辅小区,第二搜索空间集的PDCCH候选数小于或等于终端支持的最大PDCCH候选数。

Description

控制信息DCI传输方法及相关设备
相关申请的交叉引用
本申请主张在2020年5月29日在中国提交的中国专利申请号No.202010478407.0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,尤其涉及一种控制信息DCI传输方法及相关设备。
背景技术
在新空口(New Radio,NR)系统中,物理下行链路控制信道(Physical downlink control channel,PDCCH)承载下行链路控制信息(Downlink Control Information,DCI)。DCI经过一系列的加扰、调制和编码等过程后将映射到以控制信道元素(Control Channel Elements,CCEs)为单位的物理资源上。对于每个DCI,可以分配L=1个,2个,4个,8个或16个CCE,其中DCI的CCE数量表示为聚合级别(Aggregation level,AL)。具有AL=L的DCI将映射到网络设备配置的控制资源集(control resource set,CORESET)。此外,网络设备配置可以搜索空间(Search space,SS)集,SS包括以下两种类型:
1、由小区中的一组UE共同监视的公共搜索空间(common Search space,CSS)集;
2、由单个终端(User Equipment,UE)监视的用户特定的搜索空间(UE-specific Search Space,USS)集。
SS集合中,进一步为UE配置了其需要监视(monitoring)的PDCCH候选(PDCCH candidates)。
UE将对承载有DCI的PDCCH candidates执行盲解码来解调调度自己的控制信息。监视大量的PDCCH candidates或CCE会增加UE的复杂度,为了降低UE的实现复杂度,NR系统规定了UE在单位时间内的最大盲检数以及最大信道估计数,即所有搜索空间上的盲检总数之和以及信道估计之后不能 超过该上限。
当UE被配置有不止一个SS集时,由于每个SS集的监视时机都是独立配置的,PDCCH candidates/CCE的数量在时隙之间变化。因此,允许基站(BS)为UE配置每个时隙(slot)或每个slot第一个监控跨度(span)的PDCCH候选/CCE数量超过UE的能力限制,也称为超额预定(overbooking)。
目前,系统仅支持PCell的自载波调度,通常配置主小区(Pcell)发送多种CSS set和USS set,从而使得PCell的PDCCH开销较大。
发明内容
本申请实施例的目的是提供一种控制信息DCI传输方法及相关设备,能够解决PCell的PDCCH开销较大的问题。
为了解决上述技术问题,本申请是这样实现的:
第一方面,提供了一种控制信息DCI传输方法,应用于终端,包括:
传输配置信息,所述配置信息用于分配N个搜索空间集,N为正整数;
在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;
在所述第二搜索空间集上传输DCI;
其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。
第二方面,提供了一种控制信息DCI传输装置,包括:
接收模块,用于传输配置信息,所述配置信息用于分配N个搜索空间集,N为正整数;
丢弃模块,用于在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;
检测模块,用于在所述第二搜索空间集上传输DCI;
其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。
第三方面,提供了一种通信设备,该终端包括处理器、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第一方面所述的方法的步骤。
第四方面,提供了一种可读存储介质,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第一方面所述的方法的步骤。
第五方面,本申请实施例提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络设备程序或指令,实现如第一方面所述的方法。
本申请实施例通过传输配置信息,所述配置信息用于分配N个搜索空间集;在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;在所述第二搜索空间集上传输DCI;其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。这样,在Scell上实现了跨载波调度,从而可以解决PCell控制信道容量有限的问题,降低Pcell的PDCCH开销。
附图说明
图1是本申请实施例可应用的一种网络系统的结构图;
图2是PDCCH候选映射规则示意图;
图3是本申请实施例提供的一种DCI传输方法的流程图;
图4a是本申请实施例提供的一种DCI传输方法中第一小区调度Pcell对应的最大跨载波PDCCH候选数实例图之一;
图4b是本申请实施例提供的一种DCI传输方法中第一小区调度Pcell对应的最大跨载波PDCCH候选数实例图之二;
图5a是本申请实施例提供的一种DCI传输方法中第一小区调度Pcell对应的最大跨载波PDCCH候选数实例图之三;
图5b是本申请实施例提供的一种DCI传输方法中第一小区调度Pcell对应的最大跨载波PDCCH候选数实例图之四;
图6是本申请实施例提供的一种DCI传输方法中超额预定的小区示例图之一;
图7是本申请实施例提供的一种DCI传输方法中超额预定的小区示例图之二;
图8是本申请实施例提供的一种DCI传输方法中超额预定的小区示例图之三;
图9是本申请实施例提供的一种DCI传输方法中超额预定的小区示例图之四;
图10是本申请实施例提供的一种DCI传输方法中超额预定的小区示例图之五;
图11是本申请实施例提供的一种DCI传输方法中SS丢弃的示例图之一;
图12是本申请实施例提供的一种DCI传输方法中SS丢弃的示例图之二;
图13是本申请实施例提供的一种DCI传输方法中SS丢弃的示例图之三;
图14是本申请实施例提供的一种DCI传输方法中SS丢弃的示例图之四;
图15是本申请实施例提供的一种DCI传输装置的结构图;
图16是本申请实施例提供的一种通信设备的结构图;
图17是本申请实施例提供的一种终端的结构图;
图18是本申请实施例提供的一种网络设备的结构图。
具体实施方式
下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、完整地描述,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在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
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、完整地描述,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在没有作出创造性劳动前提下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数据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)系统,还可用于其他无线通信系统,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)和其他系统。本申请实施例中的术语“系统”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系统和无线电技术,也可用于其他系统和无线电技术。然而,以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,尽管这些技术也可应用于NR系统应用以外的应用,如第6代(6th  Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络设备12。其中,终端11也可以称作终端设备或者用户终端(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)、可穿戴式设备(Wearable Device)或车载设备(VUE)、行人终端(PUE)等终端侧设备,可穿戴式设备包括:手环、耳机、眼镜等。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、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述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系统中的基站为例,但是并不限定基站的具体类型。
为了方便理解,以下对本申请实施例涉及的一些内容进行说明:
当UE被配置有不止一个SS集时,由于每个SS集的监视时机都是独立配置的,PDCCH candidates/CCE的数量在时隙之间变化。因此,允许网络设备为UE配置每个时隙(slot)或每个slot第一个监控跨度(span)的PDCCH候选/CCE数量超过UE的能力限制,本申请实施例中,可以称为overbooking。基于该配置,针对每个时隙或者每个slot第一个span,UE和网络设备根据以下映射规则/顺序来映射每个时隙中的PDCCH candidate:
1、先映射CSS集合再映射USS集合,
2、以SS索引值(SS set ID)的升序方式映射USS集合。如果再增加一个USS集合中的所有PDCCH候选/CCE的数量会超过UE处理能力,则UE放弃该整个USS集合。
如图2所示,以CSS、USS#1和USS#2映射CCE为例。
CSS、USS#1和USS#2的监控时间配置如下,对于slot1、5、9在映射了CSS和USS#1后无法进一步映射USS#2,也就是说超过用户能力,无法进一步映射USS#2。
可选地,以slot为单位,针对子载波间隔(Subcarrier spacing,SCS)=15、30、60和120KHz的情况,所有搜索空间上的PDCCH candidates盲检总数之和以及信道估计最大的不重叠的CCE数目的定义,如下表所示:
针对单个服务小区,具有SCS配置μ∈{0,1,2,3}的下行带宽部分(Downlink Bandwidth Part,DL BWP),每个时隙的最大受监控PDCCH候选数
Figure PCTCN2021096262-appb-000001
为:
Figure PCTCN2021096262-appb-000002
针对单个服务小区,具有SCS配置μ∈{0,1,2,3}的DL BWP,每个时隙的最大不重叠CCE数
Figure PCTCN2021096262-appb-000003
为:
Figure PCTCN2021096262-appb-000004
为支持要求高可靠性,低延迟的(ultra-reliable and low latency communication,URLLC)业务,PDCCH监视的时间粒度从slot变为以(x,y)为组合的span粒度,其中,x是两个span的开始符号的最小时间间隔(符号数),y是span可以持续的最大时间。
可选的,以span为单位,针对SCS=15KHz中30KHz,所有搜索空间上的PDCCH candidates盲检总数之和以及信道估计最大的不重叠的CCE数目,如表下表所示。
针对单个服务小区,具有SCS配置μ∈{0,1}的DL BWP,组合(x,y) 的跨度中受监控PDCCH候选的最大数量
Figure PCTCN2021096262-appb-000005
为:
Figure PCTCN2021096262-appb-000006
针对单个服务小区,具有SCS配置μ∈{0,1}的DL BWP,组合(x,y)的跨度中最大不重叠CCE数
Figure PCTCN2021096262-appb-000007
为:
Figure PCTCN2021096262-appb-000008
由于Pcell上支持多种CSS set和USS set,所以当多个不同的搜索空间在时间上重叠时,仅在Pcell上允许overbooking分配盲检数或信道评估数;对于监视相对较少的SS set的辅小区(SCell),网络侧确保PDCCH候选盲检数和非重叠CCE的最大数量不超过UE支持的最大盲检数以及最大的信道估计数。
出于增强控制信道覆盖和考虑,一般将PCell部署在低频段的承载(carrier)。另一方面,低频段carrier的带宽不足,且已经大量部署给其他系列,例如长期演进(Long Term Evolution,LTE)。此时,可以将高频段carrier配置为SCell并通过SCell调度PCell来解决PCell控制信道容量有限的问题,降低控制信道PDCCH开销。为此提出本申请的方案。
下面结合附图,通过具体的实施例及其应用场景对本申请实施例提供的DCI传输方法进行详细地说明。
请参见图3,图3是本申请实施例提供的一种DCI传输方法的流程图,该方法应用于终端或网络设备,如图3所示,包括以下步骤:
步骤301,传输配置信息,所述配置信息用于分配N个搜索空间集,N为正整数;
步骤302,在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部 分或者全部PDCCH候选,得到第二搜索空间集;
步骤303,在所述第二搜索空间集上传输DCI;
其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。
本实施例中,上述N个搜索空间集可以理解为N个小区对应的搜索空间集,其中每一个小区上的搜索空间集包括至少一个搜索空间。该搜索空间可以根据调度的方式分为多种不同的类型,例如可以包括上述第一搜索空间,还可以包括其他的搜索空间,例如Scell调度Pcell的搜索空间,Pcell自调度的搜索空间,Scell自调度的搜索空间和Scell调度其他Scell的搜索空间。其中,Scell调度Pcell的搜索空间可以称之为SP-CR-SS,Pcell自调度的搜索空间可以称之为P-Self-SS,Scell自调度的搜索空间可以称之为O-self-SS,Scell调度其他Scell的搜索空间可以称之为O-otherS-SS。应理解,每一搜索空间集可以包括以上至少一个搜索空间,且不同的搜索空间集包括的搜索空间的类型可以相同,也可以不同,在此不做进一步的限定。
上述第二小区可以为Scell或Pcell,上述第一小区的数量可以有一个或者多个,其中,可以有一个或者多个第一小区调度Pcell。上述第一搜索空间可以包括SP-CR-SS和O-otherS-SS。
本申请实施例中,第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数可以理解为配置第一搜索空间集的小区支持overbooking。具体的,可以配置一个或者多个小区的搜索空间集为上述第一搜索空间集,换句话说,可以配置一个或者多个小区支持overbooking。例如,在一实施例中,配置一个小区支持overbooking的情况下,可以配置Pcell支持overbooking,也可以配置第一小区支持overbooking。配置至少两个小区支持overbooking的情况下,支持overbooking的小区可以包括Pcell,也可以不包括Pcell。在此不做进一步的限定。
上述PDCCH候选数可以理解为盲检数或者CCE数。上述传输DCI可以 理解为接收DCI或者发送DCI,具体地,由网络设备在所述第二搜索空间集上发送DCI,由终端在所述第二搜索空间集上接收DCI。本申请实施例中,终端也可以称之为用户。其中,接收DCI可以理解为盲检DCI,例如,可以对第二搜索空间集中的PDCCH candidates执行盲解码来解调调度的控制信息。
本申请实施例通过传输配置信息,所述配置信息用于分配N个搜索空间集;在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;在所述第二搜索空间集上传输DCI;其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。这样,在Scell上实现了跨载波调度,从而可以解决PCell控制信道容量有限的问题,降低Pcell的PDCCH开销。
可选地,所述配置信息还用于为每一所述搜索空间集分配对应的PDCCH候选数。
可选地,终端支持的最大PDCCH候选数包括以下至少一项:
主小区Pcell自调度对应的最大PDCCH候选数X;
所述第一小区调度Pcell对应的最大跨载波PDCCH候选数Y;
在Pcell支持的最大PDCCH候选数P;
所述第一小区支持的最大PDCCH候选数S;
所述第一小区自调度对应的最大PDCCH候选数F;
所述第一小区调度除第一小区之外的Scell对应的最大PDCCH候选数O。
上述X可以理解为Pcell上每个时间单元的自调度最大PDCCH候选数,本申请各实施例中,时间单元可以理解为slot或者span。
可选地,上述Y包括以下任一项:
所述第一小区上使用第一时间单元的最大PDCCH候选数;
所述第一小区上使用第二时间单元的最大PDCCH候选数;
其中,所述第一时间单元为:所述第一小区子载波间隔SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元。
在第一小区上使用第一时间单元的最大PDCCH候选数的情况下,若Pcell SCS=15Hz,Scell SCS=30Hz,则针对Pcell的一个第二时间单元,最大跨载波调度的PDCCH候选数为Y+Y,如图4a所示;若Pcell SCS=30Hz,Scell SCS=15Hz,则针对Pcell的两个第二时间单元,最大跨载波调度的PDCCH候选数为Y,如图4b所示。
在第一小区上使用第二时间单元的最大PDCCH候选数的情况下,若Pcell SCS=15Hz,Scell SCS=30Hz,则针对Pcell的一个第二时间单元,最大跨载波调度的PDCCH候选数为Y,如图5a所示;若Pcell SCS=30Hz,Scell SCS=15Hz,则针对Pcell的一个第二时间单元,最大跨载波调度的PDCCH候选数为Y,如图5b所示。
可选地,所述P满足至少一项:
在第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数,且所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,P=X+(2 μ)*Y,其中,
Figure PCTCN2021096262-appb-000009
μ 1为PCell SCS,μ 2为所述第一小区SCS;
在所述第一搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数,且所述Y为所述第一小区上使用第二时间单元的最大PDCCH候选数的情况下,P=X+Y;
在所述第一搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,P=X;
其中,所述第三搜索空间为Scell调度Pcell的搜索空间。
本实施例中,以盲检为例,上述第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数可以理解为:SP-CR-SS算入Pcell盲检的份额。所述第一搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数可以理解为:SP-CR-SS算入第一小区的份额。
需要说明的是,在本申请实施例中,需要保证终端执行的PDCCH候选数不超过终端支持的最大PDCCH候选数。可选地,所述第二搜索空间集的 PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数,包括以下至少一项:
第二搜索空间在每一第二时间单元内的PDCCH候选数小于或等于所述X,所述第二搜索空间为Pcell自调度的搜索空间;
在第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数的情况下,所述第三搜索空间在每一所述第二时间单元内的PDCCH候选数小于或等于第一值;
在所述第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间在每一第一时间单元内的PDCCH候选数小于或等于第二值;
其中,所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元,所述第三搜索空间为Scell调度Pcell的搜索空间。
本实施例中,针对在第一小区使用的时间单元不同时,上述第一值和第二值均不同。例如,一实施例中,上述第一值满足以下至少一项:
在所述Y为所述第一小区上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第一值为(2 μ)*Y,其中,
Figure PCTCN2021096262-appb-000010
μ 1为PCell SCS,μ 2为所述第一小区SCS;
在所述Y为所述Pcell上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第一值为所述Y。
在另一实施例中,上述第二值满足以下至少一项:
在所述Y为所述第一小区上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第二值为所述Y;
在所述Y为所述Pcell上使用所述第二时间单元的最大PDCCH候选数的情况下,所述第二值为
Figure PCTCN2021096262-appb-000011
其中,
Figure PCTCN2021096262-appb-000012
μ 1为PCell SCS,μ 2为所述第一小区SCS。
换句话说,在本实施例中,当SP-CR-SS算入Pcell盲检的份额时,若slot或span使用PCell的SCS包括以下情况:
若Y是调度(scheduling)Scell上使用scheduling Scell的SCS的每个slot或者每个span的最大PDCCH候选数,SP-CR-SS不超过(2μ)*Y;
若Y是Pcell上使用Pcell的SCS的每个slot或者每个span的最大PDCCH候选数,SP-CR-SS不超过Y。
当SP-CR-SS算入scheduling Scell盲检的份额时,若slot或span使用SCell的SCS包括以下情况:
若Y是scheduling Scell上使用scheduling Scell的SCS的每个slot或者每个span的最大PDCCH候选数,SP-CR-SS不超过Y;
若Y是Pcell上使用Pcell的SCS的每个slot或者每个span的最大PDCCH候选数,SP-CR-SS不超过
Figure PCTCN2021096262-appb-000013
可选地,在一实施例中,在所述Pcell支持PDCCH候选数超额预定的情况下,所述Pcell对应所述第二搜索空间集满足以下至少一项:
在所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,第二搜索空间的PDCCH候选数与第三搜索空间的PDCCH候选数之和小于或等于X+(2 μ)*Y;
在所述Y为所述Pcell上使用第二时间单元的最大PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于X+Y;
所述第一搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于所述P;
其中,
Figure PCTCN2021096262-appb-000014
μ 1为PCell SCS,μ 2为所述第一小区SCS;所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
本实施例中SP-CR-SS的盲检算作Pcell的盲检预算(budget)的一部分,可以理解为基于被调度小区对盲检资源进行划分,这样的划分方式简单;并 且后续可以为Pcell进行overbooking,减低调度Pcell时的用户阻塞率。
可选地,在另一实施例中,在所述第一小区支持PDCCH候选数超额预定的情况下,所述第一小区对应的所述第二搜索空间集满足以下至少一项:
第二搜索空间的PDCCH候选数小于或等于所述P;
在第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数小于或等于所述Y,且满足预设条件;
其中,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
本实施例中,SP-CR-SS的盲检算作scheduling scell的盲检budget的一部分,可以理解为基于调度小区对盲检资源进行划分,这样的划分方式灵活;并且从而后续可以为Scell进行overbooking,减低调度scheduling scell的用户阻塞率。
可选地,所述预设条件包括以下至少一项:
在所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,Y+F+O≤S;
在所述Y为所述Pcell上使用第二时间单元的最大PDCCH候选数的情况下,
Figure PCTCN2021096262-appb-000015
其中,所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元。
需要说明的是,在第一搜索空间集的物理下行链路控制信道PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选包括:
在目标PDCCH候选总数大于所述终端支持目标小区的最大PDCCH候选总数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部控制信道元素;
其中,所述目标PDCCH候选总数为M个搜索空间中各搜索空间在目标时间单元内的PDCCH候选数之和,所述M个搜索空间为所述目标小区对应 的所述第一搜索空间集中的搜索空间,所述目标时间为所述目标小区在超额预定的时间单元。
需要说明的是,本实施例中,在不支持overbooking的小区上,可以由网络设备保证该小区的每个时间单元内的所有搜索空间的PDCCH候选总数不超过该cell的每个时间单元内支持的最大PDCCH候选数。在支持overbooking的小区上,若配置超额预定的时间单元内所有搜索空间的PDCCH候选总数超过该cell在该时间单元内支持的最大PDCCH候选数,则可以按照一定的丢弃规则丢弃PDCCH候选数。直到,超额预定的时间单元内所有搜索空间的PDCCH候选总数超过该cell在该时间单元内支持的最大PDCCH候选数。
可选地,上述目标小区为第一小区或Pcell。也就是说,可以在Scell上超额预定,也可以在Pcell上进行超额预定。
上述目标时间单元的时间长度根据所述目标小区的SCS确定。例如,PCell支持PDCCH候选数超额预定时,使用PCell的SCS确定相应的支持超额预订的slot和/或span的时间长度。第一小区支持PDCCH候选数超额预定时,使用第一小区的SCS确定相应的支持超额预订的slot和/或span的时间长度。
可选地,一实施例中,在所述目标小区为Pcell的情况下,所述Pcell对应的第一搜索空间集中各搜索空间的优先级满足以下任一项:
PCell自调度的用户特定的搜索空间USS的优先级高于所述第三搜索空间的优先级,且低于Pcell自调度的公共搜索空间CSS的优先级;
所述第三搜索空间高于PCell自调度的USS的优先级,且低于PCell自调度的USS的优先级;
其中,所述第三搜索空间为Scell调度Pcell的搜索空间。
本实施例中,Scell调度Pcell的搜索空间为USS。需要说明的是,当具有多个Scell可以跨载波调度Pcell时,可以定义各小区的优先级,各小区的优先级。例如,在存在L1个所述第一小区的情况下,所述L1个第一小区的优先级满足以下至少一项:
第一索引值的第一小区的优先级高于第二索引值的第一小区的优先级,所述第一索引值大于或小于所述第二索引值;
第三小区的优先级高于L1个第一小区中除所述第三小区之外的小区的优先级;
第三索引值的第三小区的优先级高于第四索引值的第三小区的优先级,所述第三索引值大于或小于所述第四索引值;
其中,L1为大于1的整数,所述第三小区为所述L1个第一小区中同时调度Pcell和Scell的小区。
本实施例中,各Scell的优先级可以理解为各Scell调度Pcell的优先级,也可以理解为各Scell调度Pcell的搜索空间的优先级。例如,具有小的SCell索引值(SCell index)的SCell优先级高,或者,具有第三小区特性的SCell的优先级高;若有多个SCell具有该特性,则具有小的SCell索引值的SCell优先级高。
可选地,另一实施例中,在所述目标小区为Pcell的情况下,所述Pcell对应的所述第一搜索空间集中各搜索空间的优先级满足:Pcell自调度的CSS大于第一小区的USS。
本实施例中,USS索引值(ID)小的优先级高或者具有特性T的USS优先级高;若有多个USS具有相同的索引值,则Cell index小的优先级高,或者,具有第三小区特性的SCell的优先级高;若有多个SCell具有该特性,则具有小的SCell索引值的SCell优先级高。
可选地,在存在L2个所述USS的情况下,所述L2个USS优先级满足以下至少一项:
第一USS的优先级高于第二USS的优先级,所述第一USS的索引值大于或小于所述第二USS的索引值;
第三USS的优先级高于第四USS的优先级,所述第三USS和所述第四USS为所述L2个USS索引值相同USS,且所述第三USS对应的小区索引大于或小于所述第四USS对应的小区索引;
M个第三小区对应的USS的优先级高于第四小区对应的USS的优先级,所述第三小区为所述L2个USS对应的第一小区中,同时调度Pcell和Scell的小区,所述第四小区对应的USS为所述L2个USS中,除所述M个第三小区对应的USS之外的USS;
第五USS大于第六USS的优先级,所述第五USS和所述第六USS均为所述M个第三小区对应的USS中的USS,且所述第五USS对应的小区索引大于或小于所述第六USS对应的小区索引;
其中,L2大于1的整数。
需要说明的是,丢弃所述至少一个搜索空间的部分或者全部PDCCH候选的丢弃规则包括:
按照搜索空间的索引从大到小或者从小到大的顺序,依次丢弃搜索空间中部分或者全部控制信道元素。
进一步的,所述丢弃规则还包括:
以搜索空间中PDCCH候选为单位,按照优先级从低到高的顺序依次丢弃PDCCH候选。
可选地,在所述目标小区为Pcell的情况下,所述丢弃规则还包括:
第三时间单元内搜索空间的丢弃优先级大于第四时间单元内搜索空间的丢弃优先级,其中,所述第三时间单元和第四时间单元均为所述目标时间单元中的时间单元,且所述第三时间单元早于或晚于所述第四时间单元。
基于以上丢弃规则,以下以盲检为例,针对丢弃PDCCH candidate的过程进行详细说明。
一实施例中,在所述目标小区为Pcell的情况下,若SCell的1个slot和/或1个span对应于PCell的1个或多个slot和/或1个或多个span,在SCell的每个slot或每个span,以SS为单位,SS ID较小的优先级高,用户按照SS ID由大到小的顺序,依次放弃SS ID中的所有PDCCH candidates,直到盲检数不超过UE所支持的最大盲检数。
可选地,用户先以SS中的PDCCH candidate为单位,再以SS为单位放弃盲检次数。具体可以包括以下放弃步骤包括:
步骤1,以SS中的PDCCH candidate为单位,具有高或低聚合等级的PDCCH candidates的优先级高,用户按照构成PDCCH candidate所需要的AL由高到低或由低到高的顺序,依次放弃该SS ID中的PDCCH candidates。
步骤2,若放弃该SS中所有的PDCCH candidates仍超过UE所支持的最大盲检个数,则再以SS为单位,按照SS ID由大到小的顺序,按照步骤1的 方法放弃candidate。重复步骤1和步骤2,直到盲检数不超过UE所支持的最大盲检数。
另一实施例中,在所述目标小区为Pcell的情况下,若SCell的多个slot和/或多个span对应于PCell的一个slot和/或一个span,可以采用以下方法进行PDCCH candidates丢弃:
方法1:优先级的顺序为:先在较早或较晚的overlapped的1个slot和/或1个span上用上述步骤1和步骤2对应的方法以SS或SS中的PDCCH candidate为单位进行盲检放弃,放弃盲检后仍然超出用户所支持的最大盲检次数,则在下一个或前一个slot和/或下一个或前一个span按照上述步骤1和步骤2对应的方法进行盲检放弃,直到盲检数不超过UE所支持的最大盲检数。
方法2:优先级的顺序为:在所有overlapped的slot和/或span上用上述步骤1和步骤2对应的方法以SS或SS中的PDCCH candidate为单位进行盲检放弃,当多个SS具有相同SS ID和/或多个PDCCH candidate有相同聚合等级,较小的或较大的slot index/span index具有较高优先级。
又一实施例中,在所述目标小区为第一小区的情况下,在SCell的每个slot或每个span,以SS为单位,以SS为单位,SS ID较小的优先级高,用户按照SS ID由大到小的顺序,依次放弃SS ID中的所有PDCCH candidates,直到盲检数不超过UE所支持的最大盲检数。
可选地,用户先以SS中的PDCCH candidate为单位,再以SS为单位放弃盲检次数。具体可以包括以下放弃步骤包括:
步骤3,以SS中的PDCCH candidate为单位,具有高或低聚合等级的PDCCH candidates的优先级高,用户按照构成PDCCH candidate所需要的AL由高到低或由低到高的顺序,依次放弃该SS ID中的PDCCH candidates。
步骤4,若放弃该SS中所有的PDCCH candidates仍超过UE所支持的最大盲检个数,则再以SS为单位,按照SS ID由大到小的顺序,按照步骤1的方法放弃candidate。重复步骤3和步骤4,直到盲检数不超过UE所支持的最大盲检数。
本申请实施例提供的DCI传输方法,可以支持一个小区自调度的同时, 被另一个小区调度,例如监听PCell与SCell对PCell的调度DCI,在两个调度小区间分配UE盲检测的最大PDCCH候选数,最大不重叠CCE数等等,从而可以帮助网络设备最大利用用户盲检能力,避免多用户阻塞。另外本申请提供了当最大盲检次数超过用户能力时,用户在可支持超额预定的小区上执行盲检丢弃的方法,优先重要的盲检数,保证网络性能。
为了更好的理解本申请,以下针对盲检对本申请的具体实例进行详细说明。
一实施例中,支持PDCCH overbooking的cell为调度的小区,具体包括以下情况:
情况1:当Pcell无自载波调度的情况下,参照图6至图8对支持overbooking的情况进行说明。如图6所示,在仅支持1个Scell调度Pcell的情况下,支持overbooking的cell为辅小区1;如图7所示,在支持多个Scell调度Pcell,若所有的Scell都支持overbooking的情况下,支持overbooking的cell为辅小区1和辅小区2;如图8所示,在支持多个Scell调度Pcell,仅最小的Scell索引值的Scell支持overbooking的情况下,支持overbooking的cell为辅小区1。
情况2:当Pcell有自载波调度的情况下,参照图9至图10对支持overbooking的情况进行说明。如图9所示,在自载波调度为第一类型的CSS时,支持overbooking的cell为辅小区1和主小区。如图10所示,在子载波调度为USS和/或第二类型的CSS时,支持overbooking的cell为辅小区1。
另一实施例中,支持PDCCH overbooking的cell为被调度的小区,即Pcell时,无论Pcell是否存在自载波调度,支持overbooking的cell为Pcell。
又一实施例中,支持PDCCH overbooking的cell为调度的小区和被调度的小区时,针对上述情况1中任一种情况都增加Pcell为支持overbooking的cell。
可选地,超过UE所支持的最大盲检次数,UE放弃搜索空间盲检的方法包括以下方法:
方法1:PCell支持盲检数超额预定,使用PCell的SCS确定相应的支持超额预订的slot和/或span的时间长度。
可选地,SCell的1个slot对应于PCell的1个或多个slot。如图11所示,,用户在PCell上支持最大盲检数是2,在Pcell上Slot n,Pcell自调度优先级高于SCell跨载波调度,先丢弃SCell上调度PCell的USS具有大的SS ID如USS#2,然后USS#1。SCell上无调度PCell的SS,但PCell盲检数仍然超出2,再丢弃PCell上的SS,USS优先级低于CSS,具有大的SS ID的SS优先级低;然后用相同的方法处理slot n+1。
可选地,SCell的多个slot对应于PCell的1个slot。如图12所示和图13所示,各USS均用于调度Pcell。在图12中,用户在PCell上支持最大盲检数是3,先在最早overlapped的Scell的1个slot即slot n丢弃SS,放弃盲检后仍然超出用户所支持的最大盲检次数,则在下一个slot即slot(n+1)再进行SS丢弃,每个slot中具有大的SS ID的SS优先级低。在图13中,用户在PCell上支持最大盲检数是2,在所有overlapped的slot上用上述步骤1和步骤2对应的方法以SS为单位进行盲检放弃,当多个SS具有相同SS ID,则slot index较大的具有较低优先级。
方法2:使用SCell的SCS确定slot的时间长度,Scell的每个slot或每个span都可以支持超额预订。如图14所示,用户在SCell上支持最大盲检数是3,无论SCell和PCell的SCS相同与否,用户在SCell上的每个slot上用上述步骤1和步骤2对应的方法以SS为单位进行盲检放弃,优先级定义为Scell自调度的CSS>SCell跨载波调度PCell的USS>Scell自调度的USS≥SCell跨载波调度其他SCell的USS,具有小的SS ID的SCell优先级高。
需要说明的,在图11至图14中,圆圈内的数字表示丢弃的顺序。
需要说明的是,本申请实施例提供的DCI传输方法,执行主体可以DCI传输装置,或者,该DCI传输装置中的用于执行DCI传输方法的控制模块。本申请实施例中以DCI传输装置执DCI传输方法为例,说明本申请实施例提供的DCI传输装置。
请参见图15,图15是本申请实施例提供的一种DCI传输装置的结构图,如图15所示,DCI传输装置1500包括:
接收模块1501,用于传输配置信息,所述配置信息用于分配N个搜索空间集,N为正整数;
丢弃模块1502,用于在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;
检测模块1503,用于在所述第二搜索空间集上传输DCI;
其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。
可选地,所述配置信息还用于为每一所述搜索空间集分配对应的PDCCH候选数。
可选地,终端支持的最大PDCCH候选数包括以下至少一项:
主小区Pcell自调度对应的最大PDCCH候选数X;
所述第一小区调度Pcell对应的最大跨载波PDCCH候选数Y;
在Pcell支持的最大PDCCH候选数P;
所述第一小区支持的最大PDCCH候选数S;
所述第一小区自调度对应的最大PDCCH候选数F;
所述第一小区调度除第一小区之外的Scell对应的最大PDCCH候选数O。
可选地,所述Y包括以下任一项:
所述第一小区上使用第一时间单元的最大PDCCH候选数;
所述第一小区上使用第二时间单元的最大PDCCH候选数;
其中,所述第一时间单元为:所述第一小区子载波间隔SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元。
可选地,所述P满足至少一项:
在第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数,且所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,P=X+(2 μ)*Y,其中,
Figure PCTCN2021096262-appb-000016
μ 1为PCell SCS,μ 2为所述第一小区SCS;
在所述第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数,且所述Y为所述第一小区上使用第二时间单元的最大PDCCH候选数的情况下,P=X+Y;
在所述第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,P=X;
其中,所述第三搜索空间为Scell调度Pcell的搜索空间。
可选地,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数,包括以下至少一项:
第二搜索空间在每一第二时间单元内的PDCCH候选数小于或等于所述X,所述第二搜索空间为Pcell自调度的搜索空间;
在第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数的情况下,所述第三搜索空间在每一所述第二时间单元内的PDCCH候选数小于或等于第一值;
在所述第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间在每一第一时间单元内的PDCCH候选数小于或等于第二值;
其中,所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元,所述第三搜索空间为Scell调度Pcell的搜索空间。
可选地,所述第一值满足以下至少一项:
在所述Y为所述第一小区上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第一值为(2 μ)*Y,其中,
Figure PCTCN2021096262-appb-000017
μ 1为PCell SCS,μ 2为所述第一小区SCS;
在所述Y为所述Pcell上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第一值为所述Y。
可选地,所述第二值满足以下至少一项:
在所述Y为所述第一小区上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第二值为所述Y;
在所述Y为所述Pcell上使用所述第二时间单元的最大PDCCH候选数的情况下,所述第二值为
Figure PCTCN2021096262-appb-000018
其中,
Figure PCTCN2021096262-appb-000019
μ 1为PCell SCS,μ 2为所述第一小区SCS。
可选地,在所述Pcell支持PDCCH候选数超额预定的情况下,所述Pcell对应所述第二搜索空间集满足以下至少一项:
在所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,第二搜索空间的PDCCH候选数与第三搜索空间的PDCCH候选数之和小于或等于X+(2 μ)*Y;
在所述Y为所述Pcell上使用第二时间单元的最大PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于X+Y;
所述第一搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于所述P;
其中,
Figure PCTCN2021096262-appb-000020
μ 1为PCell SCS,μ 2为所述第一小区SCS;所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
可选地,在所述第一小区支持PDCCH候选数超额预定的情况下,所述第一小区对应的所述第二搜索空间集满足以下至少一项:
第二搜索空间的PDCCH候选数小于或等于所述P;
在第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数小于或等于所述Y,且满足预设条件;
其中,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
可选地,所述预设条件包括以下至少一项:
在所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,Y+F+O≤S;
在所述Y为所述Pcell上使用第二时间单元的最大PDCCH候选数的情况下,
Figure PCTCN2021096262-appb-000021
其中,所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元。
可选地,所述第二小区为Scell或者Pcell。
可选地,丢弃模块1502具体用于:在目标PDCCH候选总数大于所述终端支持目标小区的最大PDCCH候选总数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者PDCCH候选;
其中,所述目标PDCCH候选总数为M个搜索空间中各搜索空间在目标时间单元内的PDCCH候选数之和,所述M个搜索空间为所述目标小区对应的所述第一搜索空间集中的搜索空间,所述目标时间为所述目标小区在超额预定的时间单元。
可选地,所述目标小区为第一小区或Pcell。
可选地,所述目标时间单元的时间长度根据所述目标小区的SCS确定。
可选地,在所述目标小区为Pcell的情况下,所述Pcell对应的第一搜索空间集中各搜索空间的优先级满足以下任一项:
PCell自调度的用户特定的搜索空间USS的优先级高于第三搜索空间的优先级,且低于Pcell自调度的公共搜索空间CSS的优先级;
所述第三搜索空间高于PCell自调度的USS的优先级,且低于PCell自调度的USS的优先级;
其中,所述第三搜索空间为Scell调度Pcell的搜索空间。
可选地,在存在L1个所述第一小区的情况下,所述L1个第一小区的优先级满足以下至少一项:
第一索引值的第一小区的优先级高于第二索引值的第一小区的优先级,所述第一索引值大于或小于所述第二索引值;
第三小区的优先级高于L1个第一小区中除所述第三小区之外的小区的 优先级;
第三索引值的第三小区的优先级高于第四索引值的第三小区的优先级,所述第三索引值大于或小于所述第四索引值;
其中,L1为大于1的整数,所述第三小区为所述L1个第一小区中同时调度Pcell和Scell的小区。
可选地,在所述目标小区为Pcell的情况下,所述Pcell对应的所述第一搜索空间集中各搜索空间的优先级满足:Pcell自调度的CSS大于第一小区的USS。
可选地,在存在L2个所述USS的情况下,所述L2个USS优先级满足以下至少一项:
第一USS的优先级高于第二USS的优先级,所述第一USS的索引值大于或小于所述第二USS的索引值;
第三USS的优先级高于第四USS的优先级,所述第三USS和所述第四USS为所述L2个USS索引值相同USS,且所述第三USS对应的小区索引大于或小于所述第四USS对应的小区索引;
M个第三小区对应的USS的优先级高于第四小区对应的USS的优先级,所述第三小区为所述L2个USS对应的第一小区中,同时调度Pcell和Scell的小区,所述第四小区对应的USS为所述L2个USS中,除所述M个第三小区对应的USS之外的USS;
第五USS大于第六USS的优先级,所述第五USS和所述第六USS均为所述M个第三小区对应的USS中的USS,且所述第五USS对应的小区索引大于或小于所述第六USS对应的小区索引;
其中,L2大于1的整数。
可选地,在所述目标小区为第一小区的情况下,所述第一小区对应的第一搜索空间集中各搜索空间的优先级满足以下任一项:
所述第一小区自调度的CSS大于所述第一小区调度Pcell的USS的优先级,所述第一小区调度Pcell的USS大于所述第一小区自调度的USS的优先级,所述第一小区自调度的USS大于所述第一小区跨载波调度Scell的USS的优先级;
所述第一小区自调度的CSS大于所述第一小区自调度的USS的优先级,所述第一小区自调度的USS大于所述第一小区调度Pcell的USS的优先级,所述第一小区调度Pcell的USS大于所述第一小区跨载波调度Scell的USS的优先级;
所述第一小区自调度的CSS大于所述第一小区自调度的USS和所述第一搜索空间集的优先级。
可选地,丢弃所述至少一个搜索空间的部分或者全部PDCCH候选的丢弃规则包括:
按照搜索空间的索引从大到小或者从小到大的顺序,依次丢弃搜索空间中部分或者全部PDCCH候选。
可选地,所述丢弃规则还包括:
以搜索空间中PDCCH候选为单位,按照优先级从低到高的顺序依次丢弃PDCCH候选。
可选地,在所述目标小区为Pcell的情况下,所述丢弃规则还包括:
第三时间单元内搜索空间的丢弃优先级大于第四时间单元内搜索空间的丢弃优先级,其中,所述第三时间单元和第四时间单元均为所述目标时间单元中的时间单元,且所述第三时间单元早于或晚于所述第四时间单元。
本申请实施例中的DCI传输装置可以是装置,也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端,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。
本申请实施例中的DCI传输装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
本申请实施例提供的DCI传输装置能够实现图3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。
可选的,如图16所示,本申请实施例还提供一种通信设备1600,包括处 理器1601,存储器1602,存储在存储器1602上并可在所述处理器1601上运行的程序或指令,例如,该通信设备1600为终端时,该程序或指令被处理器1601执行时实现上述DCI传输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1600为网络设备时,该程序或指令被处理器1601执行时实现上述DCI传输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。
图17为实现本申请各个实施例的一种终端的硬件结构示意图。
该终端1700包括但不限于:射频单元1701、网络模块1702、音频输出单元1703、输入单元1704、传感器1705、显示单元1706、用户输入单元1707、接口单元1708、存储器1709以及处理器1710等部件。
本领域技术人员可以理解,终端1700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系统与处理器1710逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图17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1704可以包括图形处理器(Graphics Processing Unit,GPU)17041和麦克风17042,图形处理器17041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1706可包括显示面板17061,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17061。用户输入单元1707包括触控面板17071以及其他输入设备17072。触控面板17071,也称为触摸屏。触控面板17071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17072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1701将来自网络设备的下行数据接收后,给处理器1710处理;另外,将上行的数据发送给网络设备。通常,射频单元1701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1709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系统、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1709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1710可包括一个或多个处理单元;可选的,处理器1710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系统、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1710中。
其中,射频单元1701,用于传输配置信息,所述配置信息用于分配N个搜索空间集,N为正整数;
处理器1710,用于在第一搜索空间集的PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;
射频单元1701,还用于在所述第二搜索空间集上传输DCI;
其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。
应理解,本实施例中,上述处理器1710和射频单元1701能够实现图3的方法实施例中终端实现的各个过程,为避免重复,这里不再赘述。
具体地,本申请实施例还提供了一种网络设备。如图18所示,该网络设备1800包括:天线1801、射频装置1802、基带装置1803。天线1801与射频装置1802连接。在上行方向上,射频装置1802通过天线1801接收信息,将接收的信息发送给基带装置1803进行处理。在下行方向上,基带装置1803 对要发送的信息进行处理,并发送给射频装置1802,射频装置1802对收到的信息进行处理后经过天线1801发送出去。
上述频带处理装置可以位于基带装置1803中,以上实施例中网络设备执行的方法可以在基带装置1803中实现,该基带装置1803包括处理器1804和存储器1805。
基带装置1803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18所示,其中一个芯片例如为处理器1804,与存储器1805连接,以调用存储器1805中的程序,执行以上方法实施例中所示的网络设备操作。
该基带装置1803还可以包括网络接口1806,用于与射频装置1802交互信息,该接口例如为通用公共无线接口(common public radio interface,CPRI)。
具体地,本申请实施例的网络设备还包括:存储在存储器1805上并可在处理器1804上运行的指令或程序,处理器1804调用存储器1805中的指令或程序执行图15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,所述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DCI传输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,所述处理器为上述实施例中所述的电子设备中的处理器。所述可读存储介质,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,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络设备程序或指令,实现上述传输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系统级芯片、系统芯片、芯片系统或片上系统芯片等。
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,或者基站等)执行本申请各个实施例所述的方法。
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 (35)

  1. 一种控制信息DCI传输方法,包括:
    传输配置信息,所述配置信息用于分配N个搜索空间集,N为正整数;
    在第一搜索空间集的物理下行链路控制信道PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;
    在所述第二搜索空间集上传输DCI;
    其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。
  2. 根据权利要求1所述的方法,其中,所述配置信息还用于为每一所述搜索空间集分配对应的PDCCH候选数。
  3. 根据权利要求2所述的方法,其中,终端支持的最大PDCCH候选数包括以下至少一项:
    主小区Pcell自调度对应的最大PDCCH候选数X;
    所述第一小区调度Pcell对应的最大跨载波PDCCH候选数Y;
    在Pcell支持的最大PDCCH候选数P;
    所述第一小区支持的最大PDCCH候选数S;
    所述第一小区自调度对应的最大PDCCH候选数F;
    所述第一小区调度除第一小区之外的Scell对应的最大PDCCH候选数O。
  4. 根据权利要求3所述的方法,其中,所述Y包括以下任一项:
    所述第一小区上使用第一时间单元的最大PDCCH候选数;
    所述第一小区上使用第二时间单元的最大PDCCH候选数;
    其中,所述第一时间单元为:所述第一小区子载波间隔SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元。
  5. 根据权利要求4所述的方法,其中,所述P满足至少一项:
    在第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数,且所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,P=X+(2 μ)*Y,其中,
    Figure PCTCN2021096262-appb-100001
    μ 1为PCell SCS,μ 2为所述第一小区SCS;
    在所述第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数,且所述Y为所述第一小区上使用第二时间单元的最大PDCCH候选数的情况下,P=X+Y;
    在所述第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,P=X;
    其中,所述第三搜索空间为Scell调度Pcell的搜索空间。
  6. 根据权利要求3所述的方法,其中,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数,包括以下至少一项:
    第二搜索空间在每一第二时间单元内的PDCCH候选数小于或等于所述X,所述第二搜索空间为Pcell自调度的搜索空间;
    在第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数的情况下,所述第三搜索空间在每一所述第二时间单元内的PDCCH候选数小于或等于第一值;
    在所述第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间在每一第一时间单元内的PDCCH候选数小于或等于第二值;
    其中,所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元,所述第三搜索空间为Scell调度Pcell的搜索空间。
  7. 根据权利要求6所述的方法,其中,所述第一值满足以下至少一项:
    在所述Y为所述第一小区上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第一值为(2 μ)*Y,其中,
    Figure PCTCN2021096262-appb-100002
    μ 1为PCell SCS,μ 2为所述第一小区SCS;
    在所述Y为所述Pcell上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第一值为所述Y。
  8. 根据权利要求6所述的方法,其中,所述第二值满足以下至少一项:
    在所述Y为所述第一小区上使用所述第一时间单元的最大PDCCH候选数的情况下,所述第二值为所述Y;
    在所述Y为所述Pcell上使用所述第二时间单元的最大PDCCH候选数的情况下,所述第二值为
    Figure PCTCN2021096262-appb-100003
    其中,
    Figure PCTCN2021096262-appb-100004
    μ 1为PCell SCS,μ 2为所述第一小区SCS。
  9. 根据权利要求3所述的方法,其中,在所述Pcell支持PDCCH候选数超额预定的情况下,所述Pcell对应所述第二搜索空间集满足以下至少一项:
    在所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,第二搜索空间的PDCCH候选数与第三搜索空间的PDCCH候选数之和小于或等于X+(2 μ)*Y;
    在所述Y为所述Pcell上使用第二时间单元的最大PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于X+Y;
    所述第一搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于所述P;
    其中,
    Figure PCTCN2021096262-appb-100005
    μ 1为PCell SCS,μ 2为所述第一小区SCS;所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述PcellSCS中的时间单元,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
  10. 根据权利要求3所述的方法,其中,在所述第一小区支持PDCCH候选数超额预定的情况下,所述第一小区对应的所述第二搜索空间集满足以下至少一项:
    第二搜索空间的PDCCH候选数小于或等于所述P;
    在第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数小于或等于所述Y,且满足预设条件;
    其中,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
  11. 根据权利要求10所述的方法,其中,所述预设条件包括以下至少一项:
    在所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,Y+F+O≤S;
    在所述Y为所述Pcell上使用第二时间单元的最大PDCCH候选数的情况下,
    Figure PCTCN2021096262-appb-100006
    其中,所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元。
  12. 根据权利要求1所述的方法,其中,所述第二小区为Scell或者Pcell。
  13. 根据权利要求1所述的方法,其中,所述在第一搜索空间集的物理下行链路控制信道PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选包括:
    在目标PDCCH候选总数大于所述终端支持目标小区的最大PDCCH候选总数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选;
    其中,所述目标PDCCH候选总数为M个搜索空间中各搜索空间在目标时间单元内的PDCCH候选数之和,所述M个搜索空间为所述目标小区对应的所述第一搜索空间集中的搜索空间,所述目标时间为所述目标小区在超额预定的时间单元。
  14. 根据权利要求13所述的方法,其中,所述目标小区为第一小区或Pcell。
  15. 根据权利要求13所述的方法,其中,所述目标时间单元的时间长度根据所述目标小区的SCS确定。
  16. 根据权利要求13所述的方法,其中,在所述目标小区为Pcell的情况下,所述Pcell对应的第一搜索空间集中各搜索空间的优先级满足以下任一项:
    PCell自调度的用户特定的搜索空间USS的优先级高于第三搜索空间的优先级,且低于Pcell自调度的公共搜索空间CSS的优先级;
    所述第三搜索空间高于PCell自调度的USS的优先级,且低于PCell自调度的USS的优先级;
    其中,所述第三搜索空间为Scell调度Pcell的搜索空间。
  17. 根据权利要求16所述的方法,其中,在存在L1个所述第一小区的情况下,所述L1个第一小区的优先级满足以下至少一项:
    第一索引值的第一小区的优先级高于第二索引值的第一小区的优先级,所述第一索引值大于或小于所述第二索引值;
    第三小区的优先级高于L1个第一小区中除所述第三小区之外的小区的优先级;
    第三索引值的第三小区的优先级高于第四索引值的第三小区的优先级,所述第三索引值大于或小于所述第四索引值;
    其中,L1为大于1的整数,所述第三小区为所述L1个第一小区中同时调度Pcell和Scell的小区。
  18. 根据权利要求13所述的方法,其中,在所述目标小区为Pcell的情况下,所述Pcell对应的所述第一搜索空间集中各搜索空间的优先级满足:Pcell自调度的CSS大于第一小区的USS。
  19. 根据权利要求18所述的方法,其中,在存在L2个所述USS的情况下,所述L2个USS优先级满足以下至少一项:
    第一USS的优先级高于第二USS的优先级,所述第一USS的索引值大于或小于所述第二USS的索引值;
    第三USS的优先级高于第四USS的优先级,所述第三USS和所述第四USS为所述L2个USS索引值相同USS,且所述第三USS对应的小区索引大于或小于所述第四USS对应的小区索引;
    M个第三小区对应的USS的优先级高于第四小区对应的USS的优先级,所述第三小区为所述L2个USS对应的第一小区中,同时调度Pcell和Scell 的小区,所述第四小区对应的USS为所述L2个USS中,除所述M个第三小区对应的USS之外的USS;
    第五USS大于第六USS的优先级,所述第五USS和所述第六USS均为所述M个第三小区对应的USS中的USS,且所述第五USS对应的小区索引大于或小于所述第六USS对应的小区索引;
    其中,L2大于1的整数。
  20. 根据权利要求13所述的方法,其中,在所述目标小区为第一小区的情况下,所述第一小区对应的第一搜索空间集中各搜索空间的优先级满足以下任一项:
    所述第一小区自调度的CSS大于所述第一小区调度Pcell的USS的优先级,所述第一小区调度Pcell的USS大于所述第一小区自调度的USS的优先级,所述第一小区自调度的USS大于所述第一小区跨载波调度Scell的USS的优先级;
    所述第一小区自调度的CSS大于所述第一小区自调度的USS的优先级,所述第一小区自调度的USS大于所述第一小区调度Pcell的USS的优先级,所述第一小区调度Pcell的USS大于所述第一小区跨载波调度Scell的USS的优先级;
    所述第一小区自调度的CSS大于所述第一小区自调度的USS和所述第一搜索空间集的优先级。
  21. 根据权利要求13所述的方法,其中,丢弃所述至少一个搜索空间的部分或者全部PDCCH候选的丢弃规则包括:
    按照搜索空间的索引从大到小或者从小到大的顺序,依次丢弃搜索空间中部分或者全部PDCCH候选。
  22. 根据权利要求21所述的方法,其中,所述丢弃规则还包括:
    以搜索空间中PDCCH候选为单位,按照优先级从低到高的顺序依次丢弃PDCCH候选。
  23. 根据权利要求21所述的方法,其中,在所述目标小区为Pcell的情况下,所述丢弃规则还包括:
    第三时间单元内搜索空间的丢弃优先级大于第四时间单元内搜索空间的 丢弃优先级,其中,所述第三时间单元和第四时间单元均为所述目标时间单元中的时间单元,且所述第三时间单元早于或晚于所述第四时间单元。
  24. 一种控制信息DCI传输装置,包括:
    接收模块,用于传输配置信息,所述配置信息用于分配N个搜索空间集,N为正整数;
    丢弃模块,用于在第一搜索空间集的物理下行链路控制信道PDCCH候选数大于终端支持的最大PDCCH候选数的情况下,丢弃所述第一搜索空间集中至少一个搜索空间的部分或者全部PDCCH候选,得到第二搜索空间集;
    检测模块,用于在所述第二搜索空间集上传输DCI;
    其中,所述第一搜索空间集为所述N个搜索空间集中任一个搜索空间集,所述N个搜索空间集中至少一个搜索空间集包括第一搜索空间,所述第一搜索空间为第一小区调度第二小区的搜索空间,所述第一小区为辅小区Scell,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数。
  25. 根据权利要求24所述的DCI传输装置,其中,所述配置信息还用于为每一所述搜索空间集分配对应的PDCCH候选数。
  26. 根据权利要求25所述的DCI传输装置,其中,终端支持的最大PDCCH候选数包括以下至少一项:
    主小区Pcell自调度对应的最大PDCCH候选数X;
    所述第一小区调度Pcell对应的最大跨载波PDCCH候选数Y;
    在Pcell支持的最大PDCCH候选数P;
    所述第一小区支持的最大PDCCH候选数S;
    所述第一小区自调度对应的最大PDCCH候选数F;
    所述第一小区调度除第一小区之外的Scell对应的最大PDCCH候选数O。
  27. 根据权利要求26所述的DCI传输装置,其中,所述Y包括以下任一项:
    所述第一小区上使用第一时间单元的最大PDCCH候选数;
    所述第一小区上使用第二时间单元的最大PDCCH候选数;
    其中,所述第一时间单元为:所述第一小区子载波间隔SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元。
  28. 根据权利要求26所述的DCI传输装置,其中,所述第二搜索空间集的PDCCH候选数小于或等于所述终端支持的最大PDCCH候选数,包括以下至少一项:
    第二搜索空间在每一第二时间单元内的PDCCH候选数小于或等于所述X,所述第二搜索空间为Pcell自调度的搜索空间;
    在第三搜索空间的PDCCH候选数归属于所述Pcell的PDCCH候选数的情况下,所述第三搜索空间在每一所述第二时间单元内的PDCCH候选数小于或等于第一值;
    在所述第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间在每一第一时间单元内的PDCCH候选数小于或等于第二值;
    其中,所述第一时间单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述Pcell SCS中的时间单元,所述第三搜索空间为Scell调度Pcell的搜索空间。
  29. 根据权利要求26所述的DCI传输装置,其中,在所述Pcell支持PDCCH候选数超额预定的情况下,所述Pcell对应所述第二搜索空间集满足以下至少一项:
    在所述Y为所述第一小区上使用第一时间单元的最大PDCCH候选数的情况下,第二搜索空间的PDCCH候选数与第三搜索空间的PDCCH候选数之和小于或等于X+(2 μ)*Y;
    在所述Y为所述Pcell上使用第二时间单元的最大PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于X+Y;
    所述第一搜索空间的PDCCH候选数与所述第二搜索空间的PDCCH候选数之和小于或等于所述P;
    其中,
    Figure PCTCN2021096262-appb-100007
    μ 1为PCell SCS,μ 2为所述第一小区SCS;所述第一时间 单元为:所述第一小区SCS中的时间单元,所述第二时间单元为:所述PcellSCS中的时间单元,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
  30. 根据权利要求26所述的DCI传输装置,其中,在所述第一小区支持PDCCH候选数超额预定的情况下,所述第一小区对应的所述第二搜索空间集满足以下至少一项:
    第二搜索空间的PDCCH候选数小于或等于所述P;
    在第三搜索空间的PDCCH候选数归属于所述第一小区的PDCCH候选数的情况下,所述第三搜索空间的PDCCH候选数小于或等于所述Y,且满足预设条件;
    其中,所述第二搜索空间为Pcell自调度的搜索空间,所述第三搜索空间为Scell调度Pcell的搜索空间。
  31. 一种通信设备,包括:存储器、处理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,所述程序被所述处理器执行时实现如权利要求1至23中任一项所述的控制信息DCI传输方法中的步骤。
  32. 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指被处理器执行时实现如权利要求1至23中任一项所述的控制信息DCI传输方法中的步骤。
  33. 一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络设备程序或指令,实现如权利要求1至23中任一项所述的控制信息DCI传输方法中的步骤。
  34. 一种计算机程序产品,所述计算机程序产品被至少一个处理器执行以实现如权利要求1至23中任一项所述的控制信息DCI传输方法中的步骤。
  35. 一种通信设备,被配置成用于执行如权利要求1至23中任一项所述的控制信息DCI传输方法中的步骤。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102368871A (zh) * 2011-11-10 2012-03-07 电信科学技术研究院 一种pdcch资源的配置应用方法及装置
CN110351841A (zh) * 2018-04-04 2019-10-18 中国移动通信有限公司研究院 一种物理下行控制信道的检测方法、发送方法及设备
CN110474737A (zh) * 2018-05-11 2019-11-19 华为技术有限公司 参数确定的方法、监控方法、通信装置
CN110740479A (zh) * 2018-07-20 2020-01-31 维沃移动通信有限公司 一种用于监听pdcch的方法、终端及网络设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011159111A2 (ko) * 2010-06-16 2011-12-22 엘지전자 주식회사 제어 채널의 할당 방법 및 이를 위한 장치
US11153862B2 (en) * 2018-03-22 2021-10-19 Apple Inc. Physical downlink control channel (PDCCH) blind decoding in fifth generation (5G) new radio (NR) systems
CN110324127B (zh) * 2018-03-30 2022-01-25 维沃移动通信有限公司 Pdcch监听候选的分配方法和网络侧设备
CN110662228B (zh) * 2018-06-29 2021-02-12 维沃移动通信有限公司 跨载波调度的pdcch候选分配方法、设备和存储介质
US11405908B2 (en) * 2019-03-22 2022-08-02 Samsung Electronics Co., Ltd. Method and apparatus for control channel reception in wireless communication systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102368871A (zh) * 2011-11-10 2012-03-07 电信科学技术研究院 一种pdcch资源的配置应用方法及装置
CN110351841A (zh) * 2018-04-04 2019-10-18 中国移动通信有限公司研究院 一种物理下行控制信道的检测方法、发送方法及设备
CN110474737A (zh) * 2018-05-11 2019-11-19 华为技术有限公司 参数确定的方法、监控方法、通信装置
CN110740479A (zh) * 2018-07-20 2020-01-31 维沃移动通信有限公司 一种用于监听pdcch的方法、终端及网络设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4160967A4 *

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