WO2021209033A1 - 下行控制信息dci传输方法和通信设备 - Google Patents

下行控制信息dci传输方法和通信设备 Download PDF

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Publication number
WO2021209033A1
WO2021209033A1 PCT/CN2021/087736 CN2021087736W WO2021209033A1 WO 2021209033 A1 WO2021209033 A1 WO 2021209033A1 CN 2021087736 W CN2021087736 W CN 2021087736W WO 2021209033 A1 WO2021209033 A1 WO 2021209033A1
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Prior art keywords
dci
bits
target
size
bwp
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PCT/CN2021/087736
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English (en)
French (fr)
Inventor
刘思綦
纪子超
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维沃移动通信有限公司
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Priority to KR1020227039433A priority Critical patent/KR20220163485A/ko
Priority to EP21787771.1A priority patent/EP4120644A4/en
Publication of WO2021209033A1 publication Critical patent/WO2021209033A1/zh
Priority to US17/964,494 priority patent/US20230032391A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • the present invention relates to the field of communication technology, and in particular to a DCI transmission method and communication equipment.
  • the scheduling resource allocation mode is usually called mode-1.
  • the network device In the scheduling resource allocation mode, the network device usually controls and allocates resources to each terminal.
  • the autonomous resource selection mode the terminal independently selects resources.
  • the network equipment can schedule or activate or deactivate SL resources for the terminal through Downlink Control Information (DCI), thus requiring Define a new DCI format for scheduling or activating SL resources.
  • DCI Downlink Control Information
  • the new DCI used to schedule SL can be called SL DCI. How to determine the number of bits of the SL DCI has become an urgent problem to be solved.
  • the embodiments of the present invention provide a DCI transmission method and communication equipment to solve the problem of how to determine the number of bits of the SL DCI.
  • an embodiment of the present invention provides a DCI transmission method, including:
  • the first DCI is transmitted according to the third number of bits.
  • an embodiment of the present invention provides a communication device, including:
  • the obtaining module is configured to obtain the first number of bits of the first DCI, where the first DCI is the side link downlink control information SL DCI;
  • a determining module configured to determine the third number of bits of the first DCI according to the first number of bits and the second number of bits of the second DCI;
  • the transmission module is configured to transmit the first DCI according to the third number of bits.
  • an embodiment of the present invention provides a communication device, including: a memory, a processor, and a program stored in the memory and running on the processor, which is implemented when the program is executed by the processor Steps in the above DCI transmission method.
  • an embodiment of the present invention provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above-mentioned DCI transmission method are implemented.
  • an embodiment of the present invention provides a computer program product, which is stored in a computer-readable storage medium, and the computer program product is executed by at least one processor to implement the steps of the above-mentioned DCI transmission method.
  • an embodiment of the present invention provides a communication device configured to execute the steps of the above-mentioned DCI transmission method.
  • the first number of bits of the first DCI is obtained; and the third number of bits of the first DCI is determined according to the first number of bits and the second number of bits of the second DCI; according to the third number of bits Transmitting the first DCI.
  • the embodiment of the present invention clarifies the method for determining the number of bits of the SL DCI, thereby keeping the understanding of the network equipment and the terminal consistent.
  • Figure 1 is a structural diagram of a network system applicable to an embodiment of the present invention
  • FIG. 2 is a flowchart of a DCI transmission method provided by an embodiment of the present invention.
  • FIG. 3 is one of the structural diagrams of a communication device provided by an embodiment of the present invention.
  • FIG. 4 is a second structural diagram of a communication device provided by an embodiment of the present invention.
  • Fig. 5 is the third structural diagram of a network device provided by an embodiment of the present invention.
  • words such as “exemplary” or “for example” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • the DCI transmission method and communication device provided by the embodiment of the present invention can be applied to a wireless communication system.
  • the wireless communication system may be a 5G system, or an evolved Long Term Evolution (eLTE) system, or a subsequent evolved communication system.
  • eLTE evolved Long Term Evolution
  • FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present invention. As shown in FIG. 1, it includes a first terminal 11, a second terminal 12, and a network device 13, wherein the first terminal 11
  • the second terminal 12 and the second terminal 12 may be user terminals or other terminal-side devices, such as mobile phones, tablet computers (Tablet Personal Computer), laptop computers (Laptop Computer), personal digital assistants (personal digital assistant, PDA for short), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device), vehicle or roadside unit (RSU) and other terminal-side devices, it should be noted that the embodiment of the present invention does not limit the The specific types of a terminal 11 and a second terminal 12.
  • the above-mentioned network equipment may be a 5G base station, or a base station of a later version, or a base station in other communication systems, or called Node B, Evolved Node B, or Transmission Reception Point (TRP), or access point ( Access Point, AP), or other vocabulary in the field, as long as the same technical effect is achieved, the network device is not limited to a specific technical vocabulary.
  • the aforementioned network device may be a master node (Master Node, MN) or a secondary node (Secondary Node, SN). It should be noted that, in the embodiment of the present invention, only a 5G base station is taken as an example, but the specific type of network equipment is not limited.
  • the first terminal 11 is the sender or the sending terminal of the side link transmission
  • the second terminal 12 is the side link.
  • the first terminal 12 may also serve as the receiving end or receiving terminal of other side link transmissions.
  • DCI formats are defined in NR for different purposes, such as scheduling data, resource preemption, notification slot format, and uplink power control.
  • the DCI can be classified into: Fallback DCI, Non-Fallback DCI, and Group-common DCI.
  • Fallback DCI is usually used for scheduling of public messages, mainly for some basic functions, and the DCI has a relatively fixed size range.
  • Non-Fallback DCI is usually used for scheduling user-specific information.
  • the size of DCI varies widely, and the size of Non-Fallback DCI depends on the functions supported by the current system. If a system provides few functions, then Non-Fallback The size of DCI may be small. If this system provides many functions, then the size of Non-Fallback DCI will be very large.
  • Group-common DCI controls a group of users at the same time, and the control size is relatively fixed, which mainly depends on the number of users in the user group controlled by the DCI configured by Radio Resource Control (RRC).
  • RRC Radio Resource Control
  • the DCI format name it can be divided into: 0-x, 1-x, 2-x, where x is a natural number.
  • the DCI format of 0-x is used for uplink scheduling
  • the DCI format of 1-x is used for downlink scheduling
  • the DCI format of 2-x is used for group control.
  • ultra-reliable and low latency communications (Ultra-Reliable and Low Latency Communications, URLLC) also introduces a new DCI format 0-2, which is more flexible than 0-1, with more configurable domains and each domain The size can be flexibly configured.
  • NR R15 stipulates that in a scheduled cell, its corresponding DCI size cannot exceed 4, among which the user-specific wireless network temporary identification (Radio Network Temporary) Identifier (RNTI)
  • RNTI Radio Network Temporary
  • the size of the DCI to be bypassed cannot exceed 3
  • the RNTI may be a cell radio network temporary identifier (C-RNTI).
  • C-RNTI cell radio network temporary identifier
  • the DCI size can also be referred to as the number of bits of the DCI.
  • cell 1 schedules cell 1 and cell 2 at the same time.
  • all DCIs will be transmitted on cell 1, because the DCI size and number are defined according to the scheduled cell, the data from cell 1 and cell 2
  • the size of the DCI corresponding to the angle does not exceed 4, that is, at most 8 DCIs of different sizes may be detected on the cell 1.
  • FIG. 2 is a flowchart of a DCI transmission method according to an embodiment of the present invention. The method is applied to a communication device. As shown in FIG. 2, it includes the following steps:
  • Step 201 Obtain the first number of bits of the first DCI, where the first DCI is the side link downlink control information SL DCI;
  • Step 202 Determine the third number of bits of the first DCI according to the first number of bits and the second number of bits of the second DCI;
  • Step 203 Transmit the first DCI according to the third number of bits.
  • the communication device to which the DCI transmission method provided in the embodiment of the present invention is applied may be a network device, or a terminal or a user.
  • the transmission of the first DCI according to the third number of bits can be understood as:
  • the first DCI is sent according to the third number of bits;
  • the transmission of the first DCI according to the third number of bits can be understood as: receiving the first DCI according to the third number of bits DCI.
  • the foregoing first number of bits may be understood as the number of bits of the first DCI calculated according to the function provided by the system, and the foregoing third number of bits is the number of bits of the first DCI when the first DCI is finally transmitted.
  • the foregoing second DCI is a DCI other than the first DCI configured by the network device for the terminal.
  • the number of bits of the first DCI may be understood as the number of information bits or the number of effective bits of the first DCI.
  • the above-mentioned SL DCI is abbreviated as DCI that schedules or activates SL resources or deactivates SL resources, for example, at least one of DCI format 3-0 and DCI format 3-1.
  • the first number of bits of the first DCI is obtained; and the third number of bits of the first DCI is determined according to the first number of bits and the second number of bits of the second DCI; according to the third number of bits Transmitting the first DCI.
  • the embodiment of the present invention clarifies the method for determining the number of bits of the SL DCI, thereby keeping the understanding of the network equipment and the terminal consistent.
  • the foregoing second DCI includes the target DCI in the Uu DCI corresponding to the first object.
  • Uu DCI can be understood as DCI used to control Uu interface transmission, which can specifically include fallback DCI, non-fallback DCI, group-common DCI, and so on. It can be divided into public RNTI (such as SI-RNTI, P-RNTI, RAR-RNTI) scrambling DCI, group RNTI (such as at least one of SFI-RNTI, TPC-RNTI, etc.) scrambling DCI and dedicated RNTI (such as At least one of C-RNTI, CS-RNTI, MCS-RNTI, SL-RNTI, SL-CS-RNTI, etc.) scrambled DCI.
  • public RNTI such as SI-RNTI, P-RNTI, RAR-RNTI
  • group RNTI such as at least one of SFI-RNTI, TPC-RNTI, etc.
  • dedicated RNTI such as At least one of C-RNTI, CS-RNTI, MCS-RNTI, SL-RNTI, SL-CS-RNTI
  • fallback DCI can be called FB DCI
  • non-fallback DCI can be called NFB DCI
  • group-common DCI can be called GC DCI
  • DCI with a dedicated RNTI bypass can be called It is dedicated Uu DCI.
  • the target DCI corresponding to the first object can be understood as: the target DCI is transmitted on the first object, or the first object is scheduled by the target DCI.
  • the first object is an object scheduled by the target DCI, or an object scheduled for SL resources.
  • the target DCI is transmitted on a carrier or a bandwidth part (Bandwidth Part, BWP)
  • BWP bandwidth part
  • the carrier or BWP scheduled by the target DCI can be interpreted as the target DCI corresponding to the carrier or BWP.
  • the description is made by taking as an example that the target DCI corresponding to the first object is understood that the first object is scheduled by the target DCI.
  • the above-mentioned first object is any one of the following
  • Manner 1 Uu cell or carrier for transmitting the first DCI
  • Manner 2 The Uu cell or carrier where the SL resource scheduled by the first DCI is located;
  • Manner 3 SL cell or carrier scheduled by the first DCI
  • Manner 4 At least one cell or carrier having a first association relationship with the SL resource scheduled by the first DCI;
  • N is a positive integer
  • the N cells or carriers are cells or carriers configured with the target DCI, and there is at least one cell or carrier whose number of bits of the target DCI is greater than or equal to the first number of bits .
  • the first object is a cell or carrier that schedules SL resources.
  • the SL DCI scheduling SL is transmitted on the cell 1, and the SL DCI is included in the DCI size budget of the cell 1.
  • the DCI size budget can be understood as the upper limit of the number of bits of all DCI corresponding to a cell or carrier. Or the DCI size budget can be understood as the upper limit of the number of bits of certain formats or certain types of DCI corresponding to a cell or carrier. Or the DCI size budget can be understood as the upper limit of the number of bits of a certain format or a certain type of DCI corresponding to a cell or carrier.
  • One cell or carrier may have one or more DCI size budgets.
  • the first object is the scheduled Uu cell or carrier where the SL is located.
  • part of the Uu resources on cell 2 are reused for SL, and at least part of the part of SL resources for SL DCI scheduling is transmitted on cell 1, and the SL DCI is included in the DCI size budget of cell 2.
  • the first association relationship can be understood as the DCI size budget association relationship.
  • part of the Uu resources on cell 2 are reused for SL
  • cell 1 transmits at least part of the SL resources for SL DCI scheduling
  • cell 3 is an associated cell of SL. Then the SL DCI is included in the DCI size budget of cell 3.
  • cell 1 and cell 2 have multiple target DCIs, and cell 1 and cell 2 each have a target whose size is greater than SL DCI size. Assume that the target DCI size of cell 1 that is greater than SL DCI size is larger than the cell 2 If the target DCI size is larger than the SL DCI size, the first object is cell 1.
  • cell 1 and cell 2 have multiple target DCIs, and cell 1 and cell 2 each have a target DCI with a size larger than SL DCI size. Assume that the target DCI size larger than SL DCI size on cell 1 is larger than If cell 2 should be larger than the target DCI size of SL DCI size, the first object is cell 2.
  • the first object may change with carrier switching or change, or the first object may change with BWP switching.
  • the SL resources scheduled by the first DCI may be understood as SL resources scheduled by the first DCI or activated SL resources or deactivated SL resources.
  • the first DCI satisfies at least one of the following:
  • the number of bits of the first DCI and the third DCI is less than or equal to M1, M1 is a positive integer, and the third DCI is the Uu DCI corresponding to the first object; specifically, for example, the first The number of bits of the DCI and the third DCI is less than or equal to M1, where M1 is a positive integer, and the third DCI is the Uu DCI that schedules the first object;
  • the number of bits of the first DCI and the fourth DCI is less than or equal to M2, where M2 is a positive integer, and the fourth DCI is a dedicated Uu DCI corresponding to the first object; specifically, for example, the first DCI
  • the number of bits of a DCI and a fourth DCI is less than or equal to M2, where M2 is a positive integer, and the fourth DCI is a dedicated Uu DCI for scheduling the first object;
  • the number of bits of the first DCI for scheduling the first object is less than or equal to M3, and M3 is a positive integer.
  • the number of bits mentioned above can be understood as the number of bits of the first DCI and the third DCI.
  • the number of bits of the first DCI is 35
  • the number of bits of the third DCI includes 40, 50, and 55.
  • the number of bits of the first DCI and the third DCI is 4. If the number of bits of the first DCI is 40 and the number of bits of the third DCI includes 40, 50, and 55, the number of bits of the first DCI and the third DCI is 3.
  • M1, M2, and M3 can be understood as three different DCI size budgets.
  • the three different DCI size budgets corresponding to M1, M2, and M3 can be arbitrarily matched, or only one of the restrictions is required to be met, and no further restrictions are made here.
  • the number of bits for the first DCI and the third DCI is less than or equal to M1, and includes at least one of the following implementations:
  • the first object is a Uu cell or carrier that transmits SL DCI
  • the size of the SL DCI and the Uu DCI of the Uu cell or carrier where the scheduled SL is scheduled does not exceed 4;
  • the first object is a cell or carrier configured with the target DCI
  • the cell or carrier corresponding to the DCI with the largest number of bits of the target DCI, if M1 4, SL DCI and Uu scheduling the first object
  • the number of DCI sizes does not exceed 4;
  • the first object is a cell or carrier configured with the target DCI
  • the cell or carrier corresponding to the DCI with the smallest number of bits of the target DCI, if M1 4, SL DCI and the Uu that schedules the first object
  • the number of DCI sizes does not exceed 4;
  • the number of bits for the first DCI and the fourth DCI is less than or equal to M2, and includes at least one of the following implementations:
  • the size of SL DCI and the dedicated Uu DCI for scheduling the Uu cell or carrier does not exceed 3;
  • the size of SL DCI and the dedicated Uu DCI for scheduling the Uu cell or carrier where the scheduled SL is located does not exceed 4 ;
  • the first object is a cell or carrier configured with the target DCI
  • the cell or carrier corresponding to the DCI with the largest number of bits of the target DCI, if M2 3, SL DCI and Uu scheduling the first object
  • the number of DCI sizes does not exceed 3;
  • the first object is a cell or carrier configured with the target DCI
  • the cell or carrier corresponding to the DCI with the smallest number of bits of the target DCI, if M2 3, SL DCI and Uu scheduling the first object
  • the number of DCI sizes does not exceed 3;
  • the number of bits of the first DCI for scheduling the first object is less than or equal to M3, which includes at least the following implementation solutions:
  • the size of the SL DCI for scheduling the SL cell or carrier does not exceed M2, and the M2 is 1 or 2, that is, the SL cell is scheduled Or the number of SL and DCI sizes of the carrier does not exceed one or two.
  • DCI size budget of the first object may be network device configuration, pre-configuration, protocol definition, other user instructions, or user selection.
  • the first object may be network device configuration, pre-configuration, protocol definition, other user instructions, or user-defined.
  • the user can also report the DCI size budget of the first object and/or the first object .
  • the second number of bits of the second DCI is the number of bits of the target DCI corresponding to the target object, and the target object is one of L second objects in the first object; where L is A positive integer, each of the second objects is one of Bandwidth Part (BWP), BWP pairing, cell pairing, and carrier pairing.
  • BWP Bandwidth Part
  • different target objects may respectively correspond to the number of bits of the respective target DCI.
  • the number of bits of the target DCI corresponding to the L second objects includes at least one of the following:
  • the BWP pair may be a pair of UL BWP and DL BWP, for example, if the BWP index (index, id) is the same, it is a BWP pair.
  • There is a target DCI size corresponding to BWP id 4.
  • the BWP pairing can also be any of the following:
  • the number of bits of the target DCI corresponding to the L second objects includes: the number of bits of the target DCI corresponding to each cell pairing or carrier pairing.
  • the number of bits of the target DCI corresponding to each cell pairing or carrier pairing can be understood to include at least one of the following:
  • the number of bits of the target DCI corresponding to each SL cell pairing or carrier configuration is the number of bits of the target DCI corresponding to each SL cell pairing or carrier configuration.
  • the definition of the foregoing target object can be set according to actual needs.
  • the target object is an activated second object among the L second objects, such as an activated BWP or BWP pairing.
  • the user can determine the SL DCI size according to the target DCI size corresponding to the currently activated BWP pair, UL BWP, DL BWP, or SL BWP.
  • the above-mentioned target object may be any one of the following:
  • the second object corresponding to the DCI with the largest or smallest number of bits of the target DCI
  • the second object that contains the largest or smallest resource
  • the second object that contains the largest or smallest number of resources
  • the second object whose bit number of the target DCI is closest to the first bit number
  • a second object whose number of bits of the target DCI is greater than the number of first bits and closest to the number of first bits;
  • the number of bits of the target DCI is less than the first number of bits and the second object closest to the first number of bits.
  • the size of the resources included above can be understood as the width of the frequency domain resources.
  • the above-mentioned number of resources can be understood as the number of frequency domain resource units.
  • Embodiment 1 can be combined with Embodiment 2.
  • the foregoing target object not only meets the requirements of Embodiment 1, but also meets the requirements of Embodiment 2.
  • the second object that contains the largest or smallest resource.
  • the second number of bits is: the number of bits of the target DCI corresponding to the target object after the switch or change.
  • the above-mentioned second number of bits corresponds to the number of bits of the target DCI corresponding to the switched BWP.
  • the second bit number of the second DCI is: the target corresponding to the target object where the child object is located after the switch or change The number of bits of the DCI.
  • the UL BWP in BWP pair 1 is UL BWP1. If switching from UL BWP1 to UL BWP2, the BWP pairing is also switched to BWP pair 2 to which UL BWP2 belongs. At this time, the user can determine the SL DCI size according to the target DCI size corresponding to the BWP pair 2 currently switched to, or according to the target DCI size corresponding to the UL BWP2 currently switched to.
  • the aforementioned change in the target object can be understood as modifying or reconfiguring part or all of the second objects in the L second objects, so that the target object is changed.
  • the foregoing second DCI may include one or more target DCIs.
  • the second DCI includes Q1 target DCIs is described as an example, where Q1 is an integer greater than 1.
  • the determining the third number of bits of the first DCI according to the first number of bits of the first DCI and the second number of bits of the second DCI includes:
  • the third number of bits is obtained based on the alignment of the first DCI and the fifth DCI; the fifth DCI is the first or last target in the Q2 target DCIs arranged in descending order according to the number of bits of the target DCI DCI; the Q2 target DCIs are part or all of the Q1 target DCIs.
  • the third number of bits is equal to the second number of bits corresponding to the fifth DCI or the first number of bits.
  • the number of bits of the fifth DCI is equal to the number of first bits or the number of third bits.
  • the complexity of blind detection of the terminal can be reduced.
  • the alignment operation of the first DCI and the fifth DCI may be necessary, that is, regardless of whether the DCI scheduling the first object exceeds the DCI size budget, the SL DCI and the DCI must be aligned.
  • performing the alignment operation of the first DCI may be an optional operation. For example, the alignment operation needs to be performed only when the SL DCI size and the target DCI size exceed the DCI size budget.
  • the above-mentioned alignment of the first DCI and the fifth DCI can be understood as aligning the first DCI with the fifth DCI, or can be understood as aligning the fifth DCI with the first DCI.
  • the third number of bits is equal to the second number of bits corresponding to the fifth DCI
  • the number of bits of the fifth DCI is equal to the third number of bits.
  • the fifth DCI and the first DCI are aligned, the third number of bits is equal to the first number of bits, and the number of bits of the fifth DCI is equal to the first number of bits.
  • the first DCI and the fifth DCI can be aligned by means of zero-filling.
  • the number of bits of the first DCI is greater than the number of bits of the fifth DCI, if the first DCI is aligned with the fifth DCI, the first DCI can be aligned with the fifth DCI by removing some bits, for example, the first DCI can be aligned with the fifth DCI. The last one or more bits of is deleted, so that the first DCI is aligned with the fifth DCI.
  • the target DCI size is equal to the SL DCI size, then the size is the final size of the SL DCI. It should be understood that when the network device is configured with multiple target DCIs, the multiple target DCIs may be the same or different, which is not further limited here.
  • the method of determining the third number of bits includes one of the following:
  • Align the target DCI with the largest size among the M4 target DCIs to the SL DCI for example, by adding 0 to the target DCI size to make it the same as the SL DCI size;
  • the target DCI with the largest size among the target DCIs that do not meet the first format among M4 target DCIs to SL DCI for example, for M4 target DCIs that are not DCI format 0-2, the DCI with the largest size among the target DCIs 0-2 adds 0 so that Same as the SL DCI size;
  • the target DCI with the smallest size among the M4 target DCIs that do not meet the first format to SL DCI for example, for M4 target DCIs that are not DCI format 0-2, the DCI with the smallest size among the target DCIs 0-2 adds 0 so that Same as the SL DCI size;
  • the target DCI includes at least one of the following: user-specific search space DCI, fallback DCI, non-fallback DCI, DCI that does not meet the first format, and DCI in the second format.
  • USS DCI user-specific search space
  • USS DCI can belong to fallback or non-fallback DCI, that is, it includes at least one of FB USS DCI and NFB USS DCI.
  • NFB USS DCI can be DCI format 0-1.
  • the DCI format configured in CSS is referred to as CSS DCI for short.
  • the above-mentioned DCI of the second format may include at least one of DCI format 0-1 and DCI format 0-0.
  • the above-mentioned DCI of the first format may be DCI format 0-2.
  • the target DCI when the target DCI includes at least two of the above restriction conditions, the target DCI may be NFB USS DCI that meets the DCI format of the second format 0-1, or the target DCI is and is not the DCI format of the first format. 0-2 NFB USS DCI.
  • the Q2 target DCIs are target DCIs that do not satisfy the first format among the Q1 target DCIs.
  • the type of the target DCI may be network device configuration, pre-configuration, protocol definition, other user instructions, or user-defined. If the target DCI type is pre-configured, defined by the protocol, indicated by other users, or determined by the user, the user can also report the target DCI type.
  • the behavior of the terminal includes one of the following:
  • the first DCI is monitored, and the third number of bits is equal to the first number of bits.
  • determining the first DCI error may be understood as an error case.
  • SL DCI size is aligned with a certain target DCI.
  • SL DCI size is aligned with a certain target DCI.
  • the aligned SL DCI size is the final SL DCI size, or the aligned target DCI size is the final size of the target DCI.
  • the user obtains the reference DCI, the SL DCI is aligned with the reference DCI, and the obtaining method includes at least one of the following:
  • the network device indicates the reference DCI; optionally, the reference DCI belongs to the target DCI.
  • the network device is configured with target DCI 1, target DCI 2, and target DCI 3, and the network device indicates that target DCI 3 is a reference DCI, and SL DCI and target DCI 3 are aligned in size.
  • the user selects the reference DCI; optionally, the reference DCI belongs to the target DCI.
  • the network device is configured with target DCI 1, target DCI 2, and target DCI 3, the user selects target DCI 3 as the reference DCI, and SL DCI and target DCI 3 are aligned in size.
  • the user can report the reference DCI obtained by the user.
  • At least one of the foregoing target DCI and SL DCI is the DCI of the first object
  • the DCI for scheduling uplink transmission is abbreviated as UL DCI
  • the DCI for scheduling downlink transmission is abbreviated as DL DCI.
  • the foregoing target DCI is UL DCI.
  • the target DCI is DCI format 0-0 or DCI format 0-1 in the USS.
  • the target DCI is DCI format 0-0 in the USS.
  • the target DCI is DCI format 0-1.
  • the foregoing target DCI is DL DCI.
  • the target DCI is DCI format 1-0 or DCI format 1-1 in the USS.
  • the target DCI is DCI format 1-0 in the USS.
  • the target DCI is DCI format 1-1.
  • Each target object has its own corresponding target DCI size, which specifically includes at least one of the following
  • the BWP pairing may be a pairing of UL BWP and DL BWP.
  • the BWP id of UL BWP and DL BWP are the same, it can be considered as a BWP pair, and corresponding target DCI sizes are configured for BWP pairs corresponding to different BWP ids.
  • the BWP pairing may be a pairing of SL BWP and UL BWP.
  • the BWP id of SL BWP and UL BWP are the same, it can be considered as a BWP pair.
  • the BWP pairing may be a pairing of SL BWP and DL BWP.
  • the BWP id of SL BWP and DL BWP are the same, it can be considered as a BWP pair.
  • the BWP pairing may be a pairing of SL BWP, UL BWP, and DL BWP.
  • the BWP id of SL BWP, UL BWP, and DL BWP are the same, it can be considered as a BWP pair.
  • the corresponding target DCI sizes are configured for UL BWP pairs corresponding to different UL BWP ids.
  • DL BWP pairs corresponding to different DL BWP ids are respectively configured with corresponding target DCI sizes.
  • the corresponding target DCI sizes are respectively configured for SL BWP pairs corresponding to different SL BWP ids.
  • the above-mentioned target object is an activated target object (for example, an activated BWP), or the above-mentioned target object is a configured or pre-configured target object (for example, a configured BWP, whether activated or not).
  • an activated target object for example, an activated BWP
  • the above-mentioned target object is a configured or pre-configured target object (for example, a configured BWP, whether activated or not).
  • the above-mentioned target object is a target object in the first object, for example, the above-mentioned BWP is a BWP in the first object.
  • the corresponding target DCI size is determined according to the BWP, and the target DCI size is determined in the case of BWP handover, so as to determine the SL DCI size.
  • the user determines the SL DCI size according to the target object to which the current user is activated. Specifically, it can include at least one of the following situations:
  • the user determines the corresponding SL DCI size according to the target DCI size corresponding to the currently activated BWP pair;
  • the user determines the corresponding SL DCI size according to the target DCI size corresponding to the currently activated UL BWP;
  • the user determines the corresponding SL DCI size according to the target DCI size corresponding to the currently activated DL BWP;
  • the user determines the corresponding SL DCI size according to the target DCI size corresponding to the currently activated SL BWP.
  • the user determines the SL DCI size according to the target DCI size corresponding to the switched target object; or when at least one child object in the target object is switched, the user determines the SL DCI size according to the target
  • the target DCI size corresponding to the object determines the SL DCI size. Specifically, it can include the following situations:
  • the UL BWP in BWP pair 1 is UL BWP1. Assuming switching from UL BWP1 to UL BWP2, the BWP pair also switches to BWP pair 2 to which UL BWP2 belongs. The user determines the target DCI size corresponding to the BWP pair 2 currently switched to. SL DCI size;
  • UL BWP switches from UL BWP1 to UL BWP2, and the user determines the SL DCI size according to the target DCI size corresponding to the UL BWP2 currently switched to;
  • DL BWP is switched from DL BWP1 to DL BWP2, and the user determines the SL DCI size according to the target DCI size corresponding to the DL BWP2 currently switched to;
  • SL BWP is switched from SL BWP1 to SL BWP2, and the user determines the SL DCI size according to the target DCI size corresponding to the currently switched SL BWP2.
  • the above-mentioned target object is an activated target object (for example, an activated BWP), or the above-mentioned target object is a configured or pre-configured target object (for example, a configured BWP, whether activated or not)
  • an activated target object for example, an activated BWP
  • a configured or pre-configured target object for example, a configured BWP, whether activated or not
  • the above-mentioned target object is a target object in the first object.
  • the above BWP is the BWP in the first object
  • Example 3 1 target DCI.
  • the network device configures a target DCI and aligns the target DCI with the SL DCI.
  • the aligned SL DCI size is the final SL DCI size.
  • Embodiment 4 M target DCIs.
  • the network device configures M target DCIs, M ⁇ 2, and the method for determining the final SL DCI size includes at least one of the following methods:
  • the target DCI with the largest size among the M target DCI sizes may be aligned to the SL DCI.
  • it can be made the same size as SL DCI by adding 0 to it.
  • M4 target DCI size ⁇ SL DCI size ⁇ M5 target DCI size include one of the following: i. Align SL DCI to the smallest size target DCI among M5 target DCIs; ii. Set M4 target DCIs Align the target DCI with the largest size to SL DCI; iii. Align the target DCI with the largest size among the target DCIs that do not meet the first format among the M4 target DCIs to SL DCI; v. Align the SL DCI to the M5 target DCIs The target DCI with the smallest size among the target DCIs that meet the first format; v.
  • the target DCI with the largest size among the M4 target DCIs that meet the target DCI in the second format is aligned to SL DCI; vi. SL DCI is aligned to M5 target DCIs Among the target DCIs satisfying the second format, the target DCI with the smallest size.
  • SL DCI For aligning the SL DCI to the target DCI with the smallest size among the M5 target DCIs.
  • SL DCI may be filled with 0 to make it the same size as the target DCI size.
  • M>2, M5 2, that is, the two target DCI sizes are greater than SL DCI size (specifically, for example, greater than the number of information bits in SL DCI), which are DCI format 0-1 and DCI, respectively format 0-2, and SL DCI size ⁇ DCI format 0-1 size ⁇ DCI format 0-2 size, then SL DCI size is aligned to DCI format 0-1 size.
  • the target DCI For aligning the target DCI with the largest size among the M4 target DCIs to the SL DCI.
  • 0 is added to the target DCI size to make it the same as the SL DCI size.
  • M>2, M4 2, that is, the two target DCI sizes are smaller than SL DCI size, which are DCI format 0-1 and DCI format 0-2, and SL DCI size (specifically, for example, SL Number of information bits in DCI)>DCI format 0-1 size>DCI format 0-2 size, then DCI format 0-1 is aligned to SL DCI size at this time.
  • 0 is added to the DCI with the largest size among the M4 target DCIs that are not DCI format 0-2 so as to be the same as the SL DCI size.
  • 0 is added to the target DCI of the DCI format 0-1 with the largest size among the M4 target DCIs so as to be the same as the SL DCI size.
  • the aligned SL DCI size is the final SL DCI size
  • the aligned target DCI size is the final size of the target DCI
  • the user chooses different methods to determine SL DCI size in different situations, for example, the target DCI is DCI with the second format, that is, DCI format 0_1.
  • target DCI A, target DCI B, and target DCI C are greater than SL DCI
  • target DCI B is in the second format, format 0_1
  • SL DCI is aligned to target DCI B.
  • format 0_1 is greater than SL DCI
  • the DCI configured by the network device includes M4 target DCIs and/or M5 target DCIs
  • different implementations can be selected for implementation, or multiple implementations can be combined for implementation.
  • the corresponding second format may also be the same or different, and there is no limitation.
  • the target DCI includes at least one of two second format 1 and second format 2, and second format 1 and second format 1 Format 2 may be the same or different.
  • SL DCI is aligned to the DCI of the second format 1, otherwise, if there are DCIs of the second format 2 in the M4 targets, the second format is aligned.
  • Format 2 DCI to SL DCI For example, if 0-2 is URLLC, you may not want to modify the size of 0-2.
  • both the second format 1 and the second format 2 are 0-1, if DCI format 0-1, DCI format 0-2 are greater than SL DCI size, then SL DCI is aligned to DCI format 0-1, regardless of DCI format 0 -1 and DCI format 0-2 whichever is bigger.
  • the target DCI needs to meet the DCI format 0-1 target format. For example, assuming that DCI format 0-1 and DCI format 0-2 are configured, if DCI format 0-1 ⁇ SL DCI ⁇ DCI format 0-2, then DCI format 0-1 is aligned to SL DCI.
  • both DCI format 0-0 and DCI format 0-2 are greater than SL DCI size, then SL DCI is aligned to DCI format 0-0, and Regardless of whether DCI format 0-0 or DCI format 0-2 is larger or smaller. At this time, it can be understood that the target DCI needs to meet the DCI format 0-0 target format.
  • DCI format 0-1 and DCI format 0-2 are matched, if DCI format 0-1 ⁇ SL DCI ⁇ DCI format 0-2, then DCI format 0-1 is aligned to SL DCI.
  • DCI format 0-1 is greater than SL DCI size, and DCI format 0-1 size>DCI format 0- 2 size
  • SL DCI is aligned to DCI format 0-2.
  • DCI format 0-2 are matched, if DCI format 0-1 size ⁇ SL DCI size, and DCI format 0-2 size ⁇ SL DCI size, regardless of DCI format 0-1 and DCI Format 0-2 whoever is big or small will align DCI format 0-1 to SL DCI.
  • DCI format 0-1 are greater than SL DCI size, and DCI format 0-1 size>DCI format 0-2 size
  • SL DCI is aligned Go to DCI format 0-2.
  • DCI format 0-2 are matched, if DCI format 0-1 size ⁇ SL DCI size, and DCI format 0-2 size ⁇ SL DCI size, regardless of DCI format 0-1 and DCI Format 0-2 whoever is big or small will align DCI format 0-1 to SL DCI.
  • Embodiment 5 refers to DCI.
  • the user obtains the reference DCI and aligns the reference DCI with SL DCI
  • SL DCI is padded with 0, so that the size after 0 padded is the same as SL DCI size.
  • FIG. 3 is a structural diagram of a communication device according to an embodiment of the present invention. As shown in FIG. 3, the communication device 300 includes:
  • the obtaining module 301 is configured to obtain the first number of bits of the first DCI, where the first DCI is the side link downlink control information SL DCI;
  • the determining module 302 is configured to determine the third number of bits of the first DCI according to the first number of bits and the second number of bits of the second DCI;
  • the transmission module 303 is configured to transmit the first DCI according to the third number of bits.
  • the second DCI includes the target DCI in the Uu DCI corresponding to the first object.
  • the first object is any one of the following:
  • the SL cell or carrier scheduled by the first DCI
  • At least one cell or carrier that has a first association relationship with the SL resource scheduled by the first DCI
  • the cell or carrier corresponding to the DCI with the largest number of bits of the target DCI the cell or carrier corresponding to the DCI with the largest number of bits of the target DCI
  • the cell or carrier corresponding to the DCI with the smallest number of bits of the target DCI the cell or carrier corresponding to the DCI with the smallest number of bits of the target DCI
  • N is a positive integer
  • the N cells or carriers are cells or carriers configured with the target DCI, and there is at least one cell or carrier whose number of bits of the target DCI is greater than or equal to the first number of bits .
  • the first DCI satisfies at least one of the following:
  • the number of bits of the first DCI and the third DCI is less than or equal to M1, where M1 is a positive integer, and the third DCI is the Uu DCI corresponding to the first object;
  • the number of bits of the first DCI and the fourth DCI is less than or equal to M2, where M2 is a positive integer, and the fourth DCI is a dedicated Uu DCI corresponding to the first object;
  • the number of bits of the first DCI for scheduling the first object is less than or equal to M3, and M3 is a positive integer.
  • the second number of bits of the second DCI is the number of bits of the target DCI corresponding to the target object, and the target object is one of L second objects in the first object; where L is A positive integer, and each of the second objects is one of bandwidth part BWP, BWP pairing, cell pairing, and carrier pairing.
  • the number of bits of the target DCI corresponding to the L second objects includes at least one of the following:
  • the number of bits of the target DCI corresponding to the L second objects includes: the number of bits of the target DCI corresponding to each cell pairing or carrier pairing.
  • the target object is an activated second object among the L second objects.
  • the target object is any one of the following:
  • the second object corresponding to the DCI with the largest or smallest number of bits of the target DCI
  • the second object that contains the largest or smallest resource
  • the second object that contains the largest or smallest number of resources
  • the second object whose bit number of the target DCI is closest to the first bit number
  • a second object whose number of bits of the target DCI is greater than the number of first bits and closest to the number of first bits;
  • the number of bits of the target DCI is less than the first number of bits and the second object closest to the first number of bits.
  • the second number of bits is: the number of bits of the target DCI corresponding to the target object after the switch or change.
  • the second bit number of the second DCI is: the target corresponding to the target object where the child object is located after the switch or change The number of bits of the DCI.
  • the second DCI includes Q1 target DCIs, and Q1 is an integer greater than 1.
  • the determining module is specifically configured to: obtain the third number of bits based on the alignment of the first DCI and the fifth DCI; the fifth DCI is the number of bits according to the target DCI among Q2 target DCIs The first or last target DCI in descending order; the Q2 target DCIs are part or all of the Q1 target DCIs.
  • the Q2 target DCIs are target DCIs that do not satisfy the first format among the Q1 target DCIs.
  • the third number of bits is equal to the second number of bits corresponding to the fifth DCI or the first number of bits.
  • the number of bits of the fifth DCI is equal to the number of first bits or the number of third bits.
  • the target DCI includes at least one of the following: user-specific search space DCI, fallback DCI, non-fallback DCI, DCI that does not meet the first format, and DCI in the second format.
  • the behavior of the terminal includes one of the following:
  • the first DCI is monitored, and the third number of bits is equal to the first number of bits.
  • the communication device provided by the embodiment of the present invention can implement the various processes implemented by the communication device in the method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
  • FIG. 4 is a structural diagram of another communication device (for example, a network device can be specifically described as an example) provided by an embodiment of the present invention.
  • the network device 400 includes: a processor 401, The transceiver 402, the memory 403 and the bus interface, where:
  • the processor 401 is configured to obtain the first number of bits of the first DCI, where the first DCI is the side link downlink control information SL DCI; determine the first number of bits according to the first number of bits and the second number of bits of the second DCI -The third bit number of DCI;
  • the transceiver 402 is configured to transmit the first DCI according to the third number of bits.
  • processor 401 and transceiver 402 can implement various processes implemented by the communication device in the method embodiment of FIG.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 401 and various circuits of the memory represented by the memory 403 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are all known in the art, and therefore, will not be further described in this article.
  • the bus interface provides the interface.
  • the transceiver 402 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the user interface 404 may also be an interface capable of connecting externally and internally with the required equipment.
  • the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 401 is responsible for managing the bus architecture and general processing, and the memory 403 can store data used by the processor 401 when performing operations.
  • the embodiment of the present invention also provides a network device, including a processor 401, a memory 403, and a computer program stored on the memory 403 and running on the processor 401.
  • a network device including a processor 401, a memory 403, and a computer program stored on the memory 403 and running on the processor 401.
  • the computer program is executed by the processor 401,
  • Each process of the foregoing DCI transmission method embodiment is implemented, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.
  • the terminal 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, and an audio output unit 503 , Input unit 504, sensor 505, display unit 506, user input unit 507, interface unit 508, memory 509, processor 510, power supply 511 and other components.
  • a radio frequency unit 501 for example, a terminal can be described as an example
  • the terminal 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, and an audio output unit 503 , Input unit 504, sensor 505, display unit 506, user input unit 507, interface unit 508, memory 509, processor 510, power supply 511 and other components.
  • the terminal structure shown in FIG. 5 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components.
  • the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal,
  • the processor 510 is configured to obtain the first number of bits of the first DCI, where the first DCI is the side link downlink control information SL DCI; determine the first number of bits according to the first number of bits and the second number of bits of the second DCI -The third bit number of DCI;
  • the radio frequency unit 501 is configured to transmit the first DCI according to the third number of bits.
  • processor 510 and radio frequency unit 501 can implement various processes implemented by the communication device in the method embodiment of FIG.
  • the radio frequency unit 501 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 510; Uplink data is sent to the base station.
  • the radio frequency unit 501 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 radio frequency unit 501 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 502, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 503 can convert the audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output it as sound. Moreover, the audio output unit 503 may also provide audio output related to a specific function performed by the terminal 500 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 504 is used to receive audio or video signals.
  • the input unit 504 may include a graphics processing unit (GPU) 5041 and a microphone 5042.
  • the graphics processor 5041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame may be displayed on the display unit 506.
  • the image frame processed by the graphics processor 5041 may be stored in the memory 509 (or other storage medium) or sent via the radio frequency unit 501 or the network module 502.
  • the microphone 5042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 501 for output in the case of a telephone call mode.
  • the terminal 500 further includes at least one sensor 505, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 5061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 5061 and/or when the terminal 500 is moved to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal posture (such as horizontal and vertical screen switching, related games, Magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 505 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared Sensors, etc., will not be repeated here.
  • the display unit 506 is used to display information input by the user or information provided to the user.
  • the display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 507 can be used to receive inputted number or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 507 includes a touch panel 5071 and other input devices 5072.
  • the touch panel 5071 also known as a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 5071 or near the touch panel 5071. operate).
  • the touch panel 5071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 510, the command sent by the processor 510 is received and executed.
  • the touch panel 5071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 507 may also include other input devices 5072.
  • other input devices 5072 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 touch panel 5071 can be overlaid on the display panel 5061.
  • the touch panel 5071 detects a touch operation on or near it, it is transmitted to the processor 510 to determine the type of touch event, and then the processor 510 determines the type of the touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 5061.
  • the touch panel 5071 and the display panel 5061 are used as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 5071 and the display panel 5061 can be integrated. Realize the input and output functions of the terminal, the specifics are not limited here.
  • the interface unit 508 is an interface for connecting an external device to the terminal 500.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 508 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 500 or may be used to communicate between the terminal 500 and the external device. Transfer data between.
  • the memory 509 can be used to store software programs and various data.
  • the memory 509 may mainly include a storage program area and a storage data area.
  • the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 510 is the control center of the terminal. It uses various interfaces and lines to connect various parts of the entire terminal. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., and the modem
  • the processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 510.
  • the terminal 500 may also include a power source 511 (such as a battery) for supplying power to various components.
  • a power source 511 such as a battery
  • the power source 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. Function.
  • the terminal 500 includes some functional modules not shown, which will not be repeated here.
  • the embodiment of the present invention also provides a terminal, including a processor 510, a memory 509, a computer program stored on the memory 509 and running on the processor 510, and the computer program is implemented when the processor 510 is executed.
  • a terminal including a processor 510, a memory 509, a computer program stored on the memory 509 and running on the processor 510, and the computer program is implemented when the processor 510 is executed.
  • the embodiment of the present invention further provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, each of the embodiments of the DCI transmission method of the communication device provided by the embodiment of the present invention is realized.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk, or optical disk, etc.
  • the technical solution of the present invention 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 may be a mobile phone, a computer, a server, an air conditioner, or a base station, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which may be a mobile phone, a computer, a server, an air conditioner, or a base station, etc.

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Abstract

提供了一种DCI传输方法及通信设备，该方法包括：获取第一DCI的第一比特数，第一DCI为旁连路下行控制信息SL DCI；根据第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；根据第三比特数传输第一DCI。

Description

下行控制信息DCI传输方法和通信设备
相关申请的交叉引用
本申请主张在2020年04月17日在中国提交的中国专利申请号No.202010307025.1的优先权，其全部内容通过引用包含于此。
技术领域
本发明涉及通信技术领域，尤其涉及一种DCI传输方法和通信设备。
背景技术
在新空口(New Radio，NR)V2X系统中，支持两种资源分配模式，分别是调度资源分配(Scheduled resource allocation)模式与自主资源选择(autonomous resource selection)模式。其中，调度资源分配模式通常称为mode-1。在调度资源分配模式下，通常由网络设备控制并为每个终端分配资源，在自主资源选择模式下由终端自主选择资源。
在网络设备控制旁链路(sidelink，SL)资源的情况(例如mode-1)下，网络设备可以通过下行控制信息(Downlink Control Information，DCI)为终端调度或者激活或者去激活SL资源，从而需要定义新的DCI格式，用于调度或者激活SL资源。其中，用于调度SL的新的DCI可以称之为SL DCI。对于该SL DCI的比特数如何确定，成为亟需解决的问题。
发明内容
本发明实施例提供一种DCI传输方法和通信设备，以解决SL DCI的比特数如何确定的问题。
第一方面，本发明实施例提供一种DCI传输方法，包括：
获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；
根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；
根据所述第三比特数传输所述第一DCI。
第二方面，本发明实施例提供一种通信设备，包括：
获取模块，用于获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；
确定模块，用于根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；
传输模块，用于根据所述第三比特数传输所述第一DCI。
第三方面，本发明实施例提供一种通信设备，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上述DCI传输方法中的步骤。
第四方面，本发明实施例提供一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现上述DCI传输方法的步骤。
第五方面，本发明实施例提供一种计算机程序产品，存储在计算机可读存储介质中，所述计算机程序产品被至少一个处理器执行以实现上述DCI传输方法的步骤。
第六方面，本发明实施例提供一种通信设备，所述通信设备用于执行上述DCI传输方法的步骤。
本发明实施例通过获取第一DCI的第一比特数；并根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；根据所述第三比特数传输所述第一DCI。本发明实施例明确了SL DCI的比特数的确定方式，从而保持了网络设备和终端的理解一致。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例可应用的一种网络系统的结构图；
图2是本发明实施例提供的一种DCI传输方法的流程图；
图3是本发明实施例提供的一种通信设备的结构图之一；
图4是本发明实施例提供的一种通信设备的结构图之二；
图5是本发明实施例提供的一种网络设备的结构图之三。
具体实施方式
下面将结合本发明实施例中的附图，对本发明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发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，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，都属于本发明保护的范围。
本申请的说明书和权利要求书中的术语“包括”以及它的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外，说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一，例如A和/或B，表示包含单独A，单独B，以及A和B都存在三种情况。
在本发明实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本发明实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
下面结合附图介绍本发明的实施例。本发明实施例提供的一种DCI传输方法和通信设备可以应用于无线通信系统中。该无线通信系统可以为5G系统，或者演进型长期演进(Evolved Long Term Evolution，eLTE)系统，或者后续演进通信系统。
请参见图1，图1是本发明实施例可应用的一种网络系统的结构图，如图1所示，包括第一终端11、第二终端12和网络设备13，其中，第一终端11和第二终端12可以是用户终端或者其他终端侧设备，例如：手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)、个人数字助理(personal digital assistant，简称PDA)、移动上网装置(Mobile Internet Device， MID)、可穿戴式设备(Wearable Device)、车辆或路边单元(road side unit，RSU)等终端侧设备，需要说明的是，在本发明实施例中并不限定第一终端11和第二终端12的具体类型。上述网络设备可以是5G基站，或者以后版本的基站，或者其他通信系统中的基站，或者称之为节点B，演进节点B，或者发送接收点(Transmission Reception Point，TRP)，或者接入点(Access Point，AP)，或者所述领域中其他词汇，只要达到相同的技术效果，所述网络设备不限于特定技术词汇。另外，上述网络设备可以是主节点(Master Node，MN)，或者辅节点(Secondary Node，SN)。需要说明的是，在本发明实施例中仅以5G基站为例，但是并不限定网络设备的具体类型。
可选的，在图1中，针对第一终端12到第二终端13的旁链路传输，上述第一终端11为旁链路传输的发送端或发送终端，上述第二终端12为旁链路传输的接收端或接收终端。当然在其他旁链路传输中，第一终端12还可以作为其他旁链路传输的接收端或接收终端。
为了方便理解，以下对本发明实施例涉及的一些内容进行说明：
一、NR Uu。
NR中定义了多种DCI格式(format)分别用于不同的目的，例如调度数据、资源抢占、通知时隙(slot)格式和上行功率控制等。具体地，可以根据DCI的类型分为：回退(Fallback)DCI、非回退(Non-Fallback)DCI和组公共(Group-common)DCI。
其中，Fallback DCI通常用于公共消息的调度，主要用于一些基础功能，DCI的大小范围相对固定。
Non-Fallback DCI通常用于用户专用信息的调度，DCI大小的变动范围很大，并且Non-Fallback DCI大小依赖于当前系统所支持的功能，如果某个系统提供很少的功能，那么Non-Fallback DCI的大小可能会很小，如果这个系统提供很多的功能，那么Non-Fallback DCI的大小就会很大。
Group-common DCI则是同时控制一组用户，同时控制的大小相对也比较固定，主要取决于无线资源控制(Radio Resource Control，RRC)配置的由该DCI控制的用户组内的用户数目。
可以根据DCI的format名称分为：0-x，1-x，2-x，其中x为自然数。其 中，0-x的DCI format用于上行调度，1-x的DCI format用于下行调度，2-x的DCI format用于组控制。
另外超可靠和低时延通信(Ultra-Reliable and Low Latency Communications，URLLC)还引入了新的DCI format 0-2，其特性是比0-1更灵活，可配置的域更多且每个域的大小可以灵活配置。
二、DCI大小(size)数目。
如上面所说，不同的DCI format携带的bit数目不同，可能会有不同的size，由于用户在检测的时候只能进行盲检，因此DCI format的大小越多，用户的复杂度就会越高。为了限制用户的复杂度，降低用户的耗电，NR R15约定了在一个被调度小区(scheduled cell)中，它对应的DCI大小不能够超过4个，其中用户专用无线网络临时标识(Radio Network Temporary Identifier，RNTI)加绕的DCI的大小不能超过3个，该RNTI可以为小区无线网络临时标识(C-RNTI)。其中，DCI大小也可以称之为DCI的比特数。
例如小区1同时调度小区1自身和小区2，那么这种情况下，尽管所有的DCI都会在小区1上传输，但是因为DCI大小数目是根据被调度小区定义的，所以从小区1和小区2的角度分别对应的DCI大小不超过4个即可，即在小区1上可能最多检测到8个不同大小的DCI。
请参见图2，图2是本发明实施例提供的一种DCI传输方法的流程图，该方法应用于通信设备，如图2所示，包括以下步骤：
步骤201，获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；
步骤202，根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；
步骤203，根据所述第三比特数传输所述第一DCI。
本发明实施例提供的DCI传输方法应用的通信设备可以为网络设备，也可以为终端或用户，当应用在网络设备时，该根据所述第三比特数传输所述第一DCI可以理解为：根据所述第三比特数发送所述第一DCI；当应用在终端时，该根据所述第三比特数传输所述第一DCI可以理解为：根据所述第三比特数接收所述第一DCI。
上述第一比特数可以理解为根据系统提供功能计算获得第一DCI的比特数，上述第三比特数为最终传输第一DCI时，该第一DCI的比特数。上述第二DCI为网络设备为终端配置的除第一DCI之外的DCI。第一DCI的比特数可以理解为第一DCI的信息比特(information bit)的比特数或有效比特的比特数。上述SL DCI来简称调度或激活SL资源或去激活SL资源的DCI，例如DCI format 3-0和DCI format 3-1中的至少一项。
本发明实施例通过获取第一DCI的第一比特数；并根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；根据所述第三比特数传输所述第一DCI。本发明实施例明确了SL DCI的比特数的确定方式，从而保持了网络设备和终端的理解一致。
应理解，上述第二DCI包括第一对象对应的Uu DCI中的目标DCI。
本发明中，Uu DCI可以理解为用于控制Uu接口传输的DCI，具体可以包括fallback DCI、non-fallback DCI、group-common DCI等。又可以分为公共RNTI(例如SI-RNTI,P-RNTI,RAR-RNTI)加扰DCI，组RNTI(例如SFI-RNTI,TPC-RNTI等中的至少一项)加扰DCI和专用RNTI(例如C-RNTI,CS-RNTI,MCS-RNTI,SL-RNTI,SL-CS-RNTI等中的至少一项)加扰的DCI。其中，在本发明中，为了方便称呼，fallback DCI可以称之为FB DCI，non-fallback DCI可以称之为NFB DCI，group-common DCI可以称之为GC DCI，专用RNTI加绕的DCI可以称之为专用Uu DCI。
上述第一对象对应的目标DCI可以理解为：第一对象上传输该目标DCI，或者该第一对象被目标DCI调度。换句话说，该第一对象为被目标DCI调度的对象，或者调度SL资源的对象。例如载波或带宽部分(Bandwidth Part，BWP)上传输该目标DCI，可以解释为该载波或BWP对应的目标DCI。或者又例如被该目标DCI调度的载波或BWP，可以解释为该载波或BWP对应的目标DCI。
可选地，以第一对象对应的目标DCI理解为该第一对象被目标DCI调度为例进行说明。
可选的，在一实施例中，上述第一对象为以下任一项
方式1，传输所述第一DCI的Uu小区或载波；
方式2，所述第一DCI调度的SL资源所在的Uu小区或载波；
方式3，所述第一DCI调度的SL小区或载波；
方式4，与所述第一DCI调度的SL资源具有第一关联关系的至少一个小区或载波；
方式5，配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最大的DCI对应的小区或载波；
方式6，配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最小的DCI对应的小区或载波；
方式7，N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最大的DCI对应的小区或载波；
方式8，N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最小的DCI对应的小区或载波；
其中，N为正整数，所述N个小区或载波为配置了所述目标DCI的小区或载波中，存在至少一个所述目标DCI的比特数大于或等于所述第一比特数的小区或载波。
针对方式1，可以理解为：第一对象为调度SL资源的小区或载波。例如小区1上传输SL DCI调度SL，则该SL DCI算入小区1的DCI size预算内。
需要说明的是，DCI size预算可以理解为小区或载波对应的全部DCI的比特数的个数的上限。或者DCI size预算可以理解为小区或载波对应的某些格式或者某些类型DCI的比特数的个数的上限。或者DCI size预算可以理解为小区或载波对应的某个格式或者某个类型DCI的比特数的个数的上限。一个小区或者载波可能存在一个或者多个DCI size预算。
针对方式2，可以理解为：第一对象为SL所在的被调度的Uu小区或载波。例如小区2上的部分Uu资源重用于SL，小区1上传输SL DCI调度这部分SL资源中的至少部分，则该SL DCI算入小区2的DCI size预算内。
针对方式3，可以理解为：将本调度的SL所在载波看做一个SL小区，ii.例如小区1上传输SL DCI调度载波2上进行SL，则载波2看做一个SL小区，该SL DCI算入载波2或者该SL小区的DCI size预算内。
针对方式4，可以理解为SL存在一个或者多个具有第一关联关系的小区 或载波。该第一关联关系可以理解为DCI size预算关联关系，例如小区2上的部分Uu资源重用于SL，小区1上传输SL DCI调度这部分SL资源中的至少部分，小区3为SL的关联小区，则该SL DCI算入小区3的DCI size预算内。
针对方式7，例如小区1和小区2都有多个目标DCI，小区1和小区2上都分别有一个目标的size大于SL DCI size，假设小区1上该大于SL DCI size的目标DCI size大于小区2该大于SL DCI size的目标DCI size，则第一对象为小区1。
针对方式8，例如小区1和小区2都有多个目标DCI，小区1和小区2上都分别有一个目标DCI的size大于SL DCI size，假设小区1上该大于SL DCI size的目标DCI size大于小区2该大于SL DCI size的目标DCI size，则第一对象为小区2。
需要说明的时，针对上述方式5至8，第一对象可以随载波切换或变化而发生变化，或者第一对象可以随BWP切换而发生变化。
应理解，第一DCI调度的SL资源可以理解为第一DCI调度的SL资源或激活的SL资源或去激活的SL资源。
可选的，在一实施例中，所述第一DCI满足以下至少一项：
所述第一DCI和第三DCI的比特数的个数小于或等于M1，M1为正整数，所述第三DCI为所述第一对象对应的Uu DCI；具体地，例如，所述第一DCI和第三DCI的比特数的个数小于或等于M1，M1为正整数，所述第三DCI为调度所述第一对象的Uu DCI；
所述第一DCI和第四DCI的比特数的个数小于或等于M2，M2为正整数，所述第四DCI为所述第一对象对应的专用Uu DCI；具体地，例如，所述第一DCI和第四DCI的比特数的个数小于或等于M2，M2为正整数，所述第四DCI为调度所述第一对象的专用Uu DCI；
调度所述第一对象的所述第一DCI的比特数的个数小于或等于M3，M3为正整数。
本实施例中，上述比特数的个数可以理解为第一DCI和第三DCI的比特数的数量，例如第一DCI为的比特数为35、第三DCI的比特数包括40、50 和55，则第一DCI和第三DCI的比特数的个数为4。若第一DCI为的比特数为40、第三DCI的比特数包括40、50和55，则第一DCI和第三DCI的比特数的个数为3。
应理解，上述M1、M2和M3可以理解为三种不同的DCI size预算。可选的，这M1、M2和M3对应的三种不同的DCI size预算是可以任意搭配的，也可以只要求满足其中一个限制，在此不做进一步的限定。
针对所述第一DCI和第三DCI的比特数的个数小于或等于M1，至少包括以下实施方案中的至少一个：
当第一对象为传输SL DCI的Uu小区或载波时，若M1＝4，则SL DCI和调度该Uu小区或载波的Uu DCI的size个数不超过4个；
当第一对象为被调度的SL所在的Uu小区或载波时，若M1＝4，则SL DCI和调度该被调度的SL所在的Uu小区或载波的Uu DCI的size个数不超过4个；
当第一对象为与所述第一DCI调度的SL资源具有第一关联关系的P个小区或载波时，若M1＝4*P，则SL DCI和调度该一个或多个关联小区或载波的Uu DCI的size个数不超过4*P个；
当第一对象为配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最大的DCI对应的小区或载波时，若M1＝4，则SL DCI和调度该第一对象的Uu DCI的size个数不超过4个；
当第一对象为配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最小的DCI对应的小区或载波时，若M1＝4，则SL DCI和调度该第一对象的Uu DCI的size个数不超过4个；
当第一对象为N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最大的DCI对应的小区或载波时，若M1＝4，则SL DCI和调度该第一对象的Uu DCI的size个数不超过4个；
当第一对象为N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最小的DCI对应的小区或载波时，若M1＝4，则SL DCI和调度该第一对象的Uu DCI的size个数不超过4个。
针对所述第一DCI和第四DCI的比特数的个数小于或等于M2，至少包 括以下实施方案中的至少一个：
当第一对象为传输SL DCI的Uu小区或载波时，若M2＝3，则SL DCI和调度该Uu小区或载波的专用Uu DCI的size个数不超过3个；
当第一对象为被调度的SL所在的Uu小区或载波时，若M2＝3，则SL DCI和调度该被调度的SL所在的Uu小区或载波的专用Uu DCI的size个数不超过4个；
当第一对象为与所述第一DCI调度的SL资源具有第一关联关系的P个小区或载波时，若M2＝3*P，则SL DCI和调度该一个或多个关联小区或载波的专用Uu DCI的size个数不超过3*P个；
当第一对象为配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最大的DCI对应的小区或载波时，若M2＝3，则SL DCI和调度该第一对象的Uu DCI的size个数不超过3个；
当第一对象为配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最小的DCI对应的小区或载波时，若M2＝3，则SL DCI和调度该第一对象的Uu DCI的size个数不超过3个；
当第一对象为N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最大的DCI对应的小区或载波时，若M2＝3，则SL DCI和调度该第一对象的Uu DCI的size个数不超过3个；
当第一对象为N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最小的DCI对应的小区或载波时，若M2＝3，则SL DCI和调度该第一对象的Uu DCI的size个数不超过3个。
针对调度所述第一对象的所述第一DCI的比特数的个数小于或等于M3，至少包括以下实施方案：
当所述第一DCI调度的SL小区或载波时，可以理解为调度该SL小区或载波的SL DCI的size个数不超过M2个，该M2为1或2，也就是说，调度该SL小区或载波的SL DCI的size个数不超过1个或者2个。
应理解，上述第一对象的DCI size预算可以是网络设备配置、预配置、协议定义、其他用户指示或者用户自己选择。
可选地，第一对象可以是网络设备配置、预配置、协议定义、其他用户指 示或者用户自己确定。
可选地，如果第一对象和/或第一对象的DCI size预算，是预配置、其他用户指示或者用户自己确定的，则用户还可以上报第一对象和/或第一对象的DCI size预算。
可选地，所述第二DCI的第二比特数为目标对象对应的所述目标DCI的比特数，所述目标对象为所述第一对象中L个第二对象之一；其中，L为正整数，每一所述第二对象为带宽部分(Bandwidth Part，BWP)、BWP配对、小区配对和载波配对其中之一。
本实施例中，不同的目标对象可以分别与各自的目标DCI的比特数对应。例如，当第二对象为BWP或BWP配对时，所述L个第二对象对应的目标DCI的比特数包括以下至少一项：
每个BWP配对对应的所述目标DCI的比特数；
每个上行(Uplink，UL)BWP对应的所述目标DCI的比特数；
每个下行(Downlink，DL)BWP对应的所述目标DCI的比特数；
每个SL BWP对应的所述目标DCI的比特数。
在一实例中，BWP配对可以是UL BWP和DL BWP的配对，例如BWP索引(index，id)相同则为一个BWP配对。可选地，对于不存在配对的BWP id不对应的目标DCI size，例如只存在BWP id＝4的DL BWP而不存在BWP id＝4的UL BWP，则BWP id＝4没有BWP配对，从而不存在BWP id＝4对应的目标DCI size。
在其他实施例中，BWP配对也可以是以下任一项：
SL BWP和UL BWP的配对；
SL BWP和DL BWP的配对；
SL BWP、UL BWP和DL BWP的配对。
可选地，当第二对象为小区配对或载波配时，所述L个第二对象对应的目标DCI的比特数包括：每个小区配对或载波配对对应的所述目标DCI的比特数。
每个小区配对或载波配对对应的所述目标DCI的比特数可以理解为包括以下至少一项：
每个上行小区配对或载波配对应的所述目标DCI的比特数；
每个下行小区配对或载波配对应的所述目标DCI的比特数；
每个SL小区配对或载波配对应的所述目标DCI的比特数。
应理解，对于上述目标对象的定义可以根据实际需要进行设置，在实施例1中，所述目标对象为所述L个第二对象中激活的第二对象，例如激活的BWP或者BWP配对。本实施例中，用户可以根据当前激活的BWP配对、UL BWP、DL BWP或SL BWP对应的目标DCI size来确定SL DCI size。
在实施例2中，上述目标对象可以为以下任一项：
所述L个第二对象中，目标DCI的比特数最大或最小的DCI对应的第二对象；
所述L个第二对象中，包含的资源最大或最小的第二对象；
所述L个第二对象中，包含的资源数目最大或最小的第二对象；
所述L个第二对象中，目标DCI的比特数最接近第一比特数的第二对象；
所述L个第二对象中，目标DCI的比特数大于第一比特数且最接近第一比特数的第二对象；
所述L个第二对象中，目标DCI的比特数小于第一比特数且最接近第一比特数的第二对象。
上述包含的资源的大小可以理解为频域资源的宽窄。上述资源数目的大小可以理解为频域资源单位个数。
需要说明的是，上述实施例1可以与实施例2结合，换句话说，上述目标对象即满足实施例1的要求，又满足实施例2的要求。例如，所述L个第二对象中激活的多个第二对象中，包含的资源最大或最小的第二对象。
可选地，在所述目标对象发生切换或变化的情况下，所述第二比特数为：切换或变化后的目标对象对应的所述目标DCI的比特数。
以BWP为例，当前激活的BWP发生切换的情况，上述第二比特数对应为切换后的BWP对应的目标DCI的比特数。
可选地，在所述目标对象中的至少一个子对象发生切换或变化的情况下，所述第二DCI的第二比特数为：切换或变化后子对象所在的目标对象对应的所述目标DCI的比特数。
以BWP配对为例，BWP配对1中的UL BWP为UL BWP1，假设从UL BWP1切换到UL BWP2，则BWP配对也切换到UL BWP2所属BWP配对2。此时，用户可以根据当前切换到的BWP配对2对应的目标DCI size来确定SL DCI size，也可以根据为当前切换到的UL BWP2对应的目标DCI size来确定SL DCI size
上述目标对象发生变化可以理解为对L个第二对象中的部分或者全部第二对象进行修改或重配，使得目标对象产生变化。
可选的，上述第二DCI可以包括一个或者多个目标DCI，以下实施例中，一所述第二DCI包括Q1个目标DCI为例进行说明，其中，Q1为大于1的整数。本实施例中，所述根据所述第一DCI的第一比特数和所述第二DCI的第二比特数确定第一DCI的第三比特数包括：
基于所述第一DCI和第五DCI对齐，得到所述第三比特数；所述第五DCI为Q2个目标DCI中按照所述目标DCI的比特数从到小排列的首个或末个目标DCI；所述Q2个目标DCI为所述Q1个目标DCI中的部分或全部DCI。
其中，所述第三比特数等于所述第五DCI对应的第二比特数或所述第一比特数。所述第五DCI的比特数等于所述第一比特数或者所述第三比特数。
本发明实施例中，由于所述第一DCI和第五DCI对齐从而可以降低终端盲检的复杂度。
需要说明的是，在一实施例中，第一DCI和第五DCI的对齐操作可以是必须的，也就是说，不管调度该第一对象的DCI是否超过DCI size预算，都要对齐SL DCI和某个Uu DCI。在另一实施例中，执行第一DCI的对齐操作可以为可选操作，例如，只有当SL DCI size和目标DCI size超过了DCI size预算时才需要执行对齐操作。
本实施例中，上述第一DCI和第五DCI对齐可以理解为，将第一DCI与第五DCI对齐，也可以理解为将第五DCI和第一DCI对齐。当将第一DCI与第五DCI对齐时，所述第三比特数等于所述第五DCI对应的第二比特数，所述第五DCI的比特数等于所述第三比特数。当将第五DCI和第一DCI对齐时，所述第三比特数等于第一比特数，所述第五DCI的比特数等于所述第 一比特数。
应理解，当第一DCI的比特数小于第五DCI的比特数时，若将第一DCI与第五DCI对齐，则可以通过补0的方式使得第一DCI与第五DCI对齐。当第一DCI的比特数大于第五DCI的比特数时，若将第一DCI与第五DCI对齐，则可以通过去除部分比特的方式使得第一DCI与第五DCI对齐，例如将第一DCI的最后一个或者多个比特删除，使得第一DCI与第五DCI对齐。
假设网络设备配目标DCI，如果有目标DCI size和SL DCI size相等，则该size为SL DCI最终的size。应理解，网络设备配置了多个目标DCI时，该多个目标DCI可以相同，也可以不同，在此不做进一步的限定。
假设网络设备配置M个目标DCI，M≥2，如果没有目标DCI size和SL DCI size相等，例如M4个目标DCI size<第三比特数,或第三比特数<M5个目标DCI size，或M4个目标DCI size<第三比特数<M5个目标DCI size，确定第三比特数(即最终SL DCI size)的方法包含以下一项：
将SL DCI对齐到M5个目标DCI中size最小的目标DCI，例如，通过对SL DCI补0使得和该目标DCI size一样；
将M4个目标DCI中size最大的目标DCI对齐到SL DCI，例如，通过对该目标DCI size补0使得和该SL DCI size一样；
将M4个目标DCI中不满足第一格式的目标DCI中size最大的目标DCI对齐到SL DCI；例如，对M4个目标DCI不为DCI format 0-2的目标DCI中size最大的DCI补0使得和该SL DCI size一样；
将M4个目标DCI中不满足第一格式的目标DCI中size最小的目标DCI对齐到SL DCI；例如，对M4个目标DCI不为DCI format 0-2的目标DCI中size最小的DCI补0使得和该SL DCI size一样；
将M4个目标DCI满足第二格式的目标DCI中size最大的目标DCI对齐到SL DCI；例如，对M4个目标DCI中size最大的DCI format 0-1的目标DCI补0使得和该SL DCI size一样；
将M4个目标DCI满足第二格式的目标DCI中size最小的目标DCI对齐到SL DCI；例如，对M4个目标DCI中size最小的DCI format 0-1的目标DCI补0使得和该SL DCI size一样。
可选地，所述目标DCI包括以下至少一项：用户专用搜索空间DCI、回退DCI、非回退DCI、不满足第一格式的DCI和第二格式的DCI。
上述用户专用搜索空间(User-specific search space，USS)DCI可以理解为配置在USS的DCI，为了方便，在本专利简称为USS DCI。USS DCI属于fallback或non-fallback DCI都可以，即包括FB USS DCI和NFB USS DCI中至少一项。其中NFB USS DCI可以为DCI format 0-1。配置在CSS(公共搜索空间)中的DCI format简称为CSS DCI。
上述第二格式的DCI可以包括DCI format 0-1和DCI format 0-0中的至少一项。
上述第一格式的DCI可以为DCI format 0-2。
应理解，本实施例中，当目标DCI包括以上至少两项限制条件时，目标DCI可以为满足第二格式DCI format 0-1的NFB USS DCI，或者目标DCI为且不为第一格式DCI format 0-2的NFB USS DCI。
在一实施例中，所述Q2个目标DCI为所述Q1个目标DCI中不满足第一格式的目标DCI。
可选地，目标DCI的类型可以是网络设备配置、预配置、协议定义、其他用户指示或用户自己确定。如果目标DCI类型是预配置、协议定义、其他用户指示或用户自己确定的，则用户还可以上报目标DCI类型。
进一步的，在网络设备未为终端配置所述第二DCI的情况下，所述终端的行为包括以下之一：
确定所述第一DCI错误；
不监测所述第一DCI；
监测所述第一DCI，且所述第三比特数等于所述第一比特数。
其中，确定所述第一DCI错误，可以理解为error case。
需要说明的是，如果没有目标DCI size和SL DCI size相等，则SL DCI size和某个目标DCI进行对齐。或者，如果没有目标DCI size和SL DCI size相等且超出了对应的DCI size预算的时候，则SL DCI size和某个目标DCI进行了对齐。本实施例中，对齐后的SL DCI size为最终SL DCI size，或者对齐后的目标DCI size为该目标DCI的最终size。
可选地，用户获取参考DCI，SL DCI和参考DCI对齐，获取方法包含以下至少之一：
网络设备指示参考DCI；可选地，该参考DCI属于目标DCI。例如，网络设备配置了目标DCI 1、目标DCI 2和目标DCI 3，网络设备指示目标DCI 3是参考DCI，SL DCI和目标DCI3大小对齐。
用户选择参考DCI；可选地，参考DCI属于目标DCI。例如，网络设备配置了目标DCI 1、目标DCI 2和目标DCI 3，用户选择目标DCI 3作为参考DCI，SL DCI和目标DCI3大小对齐。
可选地，用户可以报告用户获取的参考DCI。
可选地，上述目标DCI和SL DCI中的至少一项为第一对象的DCI；
在本发明中，为了简单，调度上行传输的DCI简称为UL DCI,调度下行传输的DCI简称为DL DCI。
可选地，上述目标DCI为UL DCI。例如，一实施例中，如果上述目标DCI为UL DCI且为USS DCI，则目标DCI为USS内的DCI format 0-0或DCI format 0-1。另一实施例中，如果上述目标DCI为UL DCI且为FB USS DCI，则目标DCI为USS内的DCI format 0-0。又一实施例中，如果上述目标DCI为UL DCI且为NFB DCI，则目标DCI为DCI format 0-1。
可选地，上述目标DCI为DL DCI。例如，一实施例中，如果上述目标DCI为DL DCI且为USS DCI，则目标DCI为USS内的DCI format 1-0或DCI format 1-1。另一实施例中，如果上述目标DCI为DL DCI且为FB USS DCI，则目标DCI为USS内的DCI format 1-0。又一实施例中，如果上述目标DCI为DL DCI且为NFB DCI，则目标DCI为DCI format 1-1。
为了更好的理解本发明，以下通过具体实例对本发明的实现进行详细说明。
实施例1。
每个目标对象有各自对应的目标DCI size，具体包含以下至少一项
A、为每个BWP配对对应的目标DCI size；
B、为每个UL BWP配置目标DCI size；
C、为每个DL BWP配置目标DCI size
D、为每个SL BWP配置目标DCI size
针对A，可选地，该BWP配对可以是UL BWP和DL BWP的配对。例如UL BWP和DL BWP的BWP id相同时可以认为是一个BWP配对，为不同BWP id对应的BWP配对分别配置对应的目标DCI size。可选地，对于不存在配对的BWP id不配置对应的目标DCI size，例如只存在BWP id＝4的DL BWP而不存在BWP id＝4的UL BWP，则BWP id＝4没有BWP配对，从而不存在配置BWP id＝4对应的目标DCI size。
针对A，可选地，该BWP配对可以是SL BWP和UL BWP的配对。例如SL BWP和UL BWP的BWP id相同时可以认为是一个BWP配对。
针对A，可选地，该BWP配对可以是SL BWP和DL BWP的配对。例如SL BWP和DL BWP的BWP id相同时可以认为是一个BWP配对。
针对A，可选地，该BWP配对可以是SL BWP、UL BWP和DL BWP的配对。例如SL BWP、UL BWP和DL BWP的BWP id相同时可以认为是一个BWP配对。
针对B，例如为不同UL BWP id对应的UL BWP配对分别配置对应的目标DCI size。
针对C，例如为不同DL BWP id对应的DL BWP配对分别配置对应的目标DCI size。
针对D，例如为不同SL BWP id对应的SL BWP配对分别配置对应的目标DCI size。
可选地，上述目标对象是激活的目标对象(例如激活的BWP)，或者，上述目标对象是配置或预配置的目标对象(例如配置的BWP，无论是否激活)。
可选地，上述目标对象是第一对象内的目标对象，例如上述BWP是第一对象内的BWP。
实施例2，根据BWP确定对应目标DCI size,以及BWP切换情况下确定目标DCI size，从而确定SL DCI size。
用户根据当前用户被激活的目标对象来确定SL DCI size。具体可以包括以下情况至少之一：
用户根据当前激活的BWP配对对应的目标DCI size确定对应的SL DCI  size；
用户根据为当前激活的UL BWP对应的目标DCI size确定对应的SL DCI size；
用户根据为当前激活的DL BWP对应的目标DCI size确定对应的SL DCI size；
用户根据为当前激活的SL BWP对应的目标DCI size确定对应的SL DCI size。
可选地，当目标对象发生切换，用户根据切换的目标对象对应的目标DCI size来确定SL DCI size；或者当目标对象中的至少一个子对象发生切换后，用户根据切换后子对象所在的目标对象对应的目标DCI size来确定SL DCI size。具体可以包括以下情况：
例如，BWP配对1中的UL BWP为UL BWP1，假设从UL BWP1切换到UL BWP2，则BWP配对也切换到UL BWP2所属BWP配对2，用户根据当前切换到的BWP配对2对应的目标DCI size确定SL DCI size；
例如，UL BWP从UL BWP1切换到UL BWP2，用户根据当前切换到的UL BWP2对应的目标DCI size确定SL DCI size；
例如，DL BWP从DL BWP1切换到DL BWP2，用户根据当前切换到的DL BWP2对应的目标DCI size确定SL DCI size；
例如，SL BWP从SL BWP1切换到SL BWP2，用户根据当前切换到的SL BWP2对应的目标DCI size确定SL DCI size。
可选地，上述目标对象是激活的目标对象(例如激活的BWP)，或者，上述目标对象是配置或预配置的目标对象(例如配置的BWP，无论是否激活)
可选地，上述目标对象是第一对象内的目标对象。例如，上述BWP是第一对象内的BWP
实施例3，1个目标DCI。
网络设备配置一个目标DCI，将该目标DCI和SL DCI对齐。
例如，如果目标DCI size<SL DCI size则对目标DCI进行补0，使得补0后的大小和SL DCI size一样
例如，如果目标DCI size>SL DCI size则对SL DCI进行补0，使得补0 后的大小和SL DCI size一样
其中，对齐后的SL DCI size为最终SL DCI size。
实施例4，M个目标DCI。
网络设备配置M个目标DCI，M≥2，确定最终SL DCI size的方法包含以下方法中的至少之一：
a)如果SL DCI size>M个目标DCI size。
可选地，可以将M个目标DCI size中大小最大的目标DCI对齐到SL DCI。例如通过对它补0使得和SL DCI size一样。
b)如果M4个目标DCI size<SL DCI size<M5个目标DCI size，包含以下一项：i.将SL DCI对齐到M5个目标DCI中size最小的目标DCI；ii.将M4个目标DCI中size最大的目标DCI对齐到SL DCI；iii.将M4个目标DCI中不满足第一格式的目标DCI中size最大的目标DCI对齐到SL DCI；v.将SL DCI对齐到M5个目标DCI中不满足第一格式的目标DCI中size最小的目标DCI；v.将M4个目标DCI满足第二格式的目标DCI中size最大的目标DCI对齐到SL DCI；vi.将SL DCI对齐到M5个目标DCI中满足第二格式的目标DCI中size最小的目标DCI。
针对将SL DCI对齐到M5个目标DCI中size最小的目标DCI。在一实施例中，例如，可以通过对SL DCI补0使得和该目标DCI size一样。在另一实施例中，例如M>2，M5＝2，即两个目标DCI size大于SL DCI size(具体地，例如大于SL DCI中信息比特的数目)，分别为DCI format 0-1和DCI format 0-2，且SL DCI size<DCI format 0-1 size<DCI format 0-2 size，则此时SL DCI size对齐到DCI format 0-1 size。
针对将M4个目标DCI中size最大的目标DCI对齐到SL DCI。在一实施例中，例如，通过对该目标DCI size补0使得和该SL DCI size一样。在另一实施例中，例如M>2，M4＝2，即两个目标DCI size小于SL DCI size，分别为DCI format 0-1和DCI format 0-2，且SL DCI size(具体地，例如SL DCI中信息比特的数目)>DCI format 0-1 size>DCI format 0-2 size，则此时DCI format 0-1对齐到SL DCI size。
针对将M4个目标DCI中不满足第一格式的目标DCI中size最大的目 标DCI对齐到SL DCI。在一实施例中，例如，对M4个目标DCI不为DCI format 0-2的目标DCI中size最大的DCI补0使得和该SL DCI size一样。
针对将M4个目标DCI满足第二格式的目标DCI中size最大的目标DCI对齐到SL DCI。在一实施例中，例如，对M4个目标DCI中size最大的DCI format 0-1的目标DCI补0使得和该SL DCI size一样。
可选地，对齐后的SL DCI size为最终SL DCI size；
可选地，对齐后的目标DCI size为该目标DCI最终size；
具体地，如果M4个目标DCI size<SL DCI size<M5个目标DCI size，不同情况下用户选择确定SL DCI size的方法不同，例如目标DCI为具有第二格式的DCI，即DCI format 0_1。
例如，假设目标DCI A、目标DCI B、目标DCI C都大于SL DCI，目标DCI B为第二格式即format 0_1,则SL DCI对齐到目标DCI B。换句话说，任何情况下，只要format 0_1大于SL D CI，就将SL DCI对齐到该格式。
需要注意得的是，可以根据网络设备配置的DCI包括M4个目标DCI和/或M5个目标DCI的不同情况，选择不同的实施方式进行实现，也可以对多个实施方式进行组合实现。其中，对应的第二格式可能也相同或不同，不做限制。
可选地，如果没有format 0_1大于SL DCI，则将format 0_1对齐到SL DCI；或者，目标DCI包括两个第二格式1与第二格式2中的至少一项，第二格式1与第二格式2可能相同也可能不同。
例如，只有当M5个目标DCI中有第二格式1的DCI时，SL DCI对齐到该第二格式1的DCI，否则，如果M4个目标中有第二格式2的DCI时，对齐该第二格式2的DCI到SL DCI。例如，假设0-2是URLLC的，则可能不想修改0-2的size。
假设第二格式1与第二格式2都为0-1，若DCI format 0-1，DCI format 0-2都大于SL DCI size，则SL DCI对齐到DCI format 0-1，而不论DCI format 0-1和DCI format 0-2谁大谁小。此时可以理解为目标DCI需要满足DCI format 0-1目标格式。例如，假设配置了DCI format 0-1，DCI format 0-2，若DCI format 0-1<SL DCI<DCI format 0-2，则将DCI format 0-1对齐到SL DCI。
假设第二格式1与第二格式2分别为0-0和0-1，若DCI format 0-0，DCI format 0-2都大于SL DCI size，则SL DCI对齐到DCI format 0-0，而不论DCI format 0-0和DCI format 0-2谁大谁小。此时可以理解为目标DCI需要满足DCI format 0-0目标格式。
例如，假设匹配了DCI format 0-1，DCI format 0-2，若DCI format 0-1<SL DCI<DCI format 0-2，则将DCI format 0-1对齐到SL DCI。
假设第二格式1与第二格式2分别为0-2和0-1，若DCI format 0-2，DCI format 0-1都大于SL DCI size，且DCI format 0-1 size>DCI format 0-2 size，则SL DCI对齐到DCI format 0-2。例如，假设匹配了DCI format 0-1，DCI format 0-2，若DCI format 0-1 size<SL DCI size,且DCI format 0-2 size<SL DCI size，而不论DCI format 0-1和DCI format 0-2谁大谁小，都将DCI format 0-1对齐到SL DCI。
假设只存在第二格式2且为0-1，若DCI format 0-2，DCI format 0-1都大于SL DCI size，且DCI format 0-1 size>DCI format 0-2 size，则SL DCI对齐到DCI format 0-2。例如，假设匹配了DCI format 0-1，DCI format 0-2，若DCI format 0-1 size<SL DCI size,且DCI format 0-2 size<SL DCI size，而不论DCI format 0-1和DCI format 0-2谁大谁小，都将DCI format 0-1对齐到SL DCI。
实施例5，参考DCI。
用户获取参考DCI，将该参考DCI和SL DCI对齐
例如，如果参考DCI size<SL DCI size则对参考DCI进行补0，使得补0后的大小和SL DCI size一样；
例如，如果参考DCI size>SL DCI size则对SL DCI进行补0，使得补0后的大小和SL DCI size一样。
请参见图3，图3是本发明实施例提供的一种通信设备的结构图，如图3所示，该通信设备300包括：
获取模块301，用于获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；
确定模块302，用于根据所述第一比特数和第二DCI的第二比特数，确 定第一DCI的第三比特数；
传输模块303，用于根据所述第三比特数传输所述第一DCI。
可选的，所述第二DCI包括第一对象对应的Uu DCI中的目标DCI。
可选的，所述第一对象为以下任一项：
传输所述第一DCI的Uu小区或载波；
所述第一DCI调度的SL资源所在的Uu小区或载波；
所述第一DCI调度的SL小区或载波；
与所述第一DCI调度的SL资源具有第一关联关系的至少一个小区或载波；
配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最大的DCI对应的小区或载波；
配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最小的DCI对应的小区或载波；
N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最大的DCI对应的小区或载波；
N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最小的DCI对应的小区或载波；
其中，N为正整数，所述N个小区或载波为配置了所述目标DCI的小区或载波中，存在至少一个所述目标DCI的比特数大于或等于所述第一比特数的小区或载波。
可选的，所述第一DCI满足以下至少一项：
所述第一DCI和第三DCI的比特数的个数小于或等于M1，M1为正整数，所述第三DCI为所述第一对象对应的Uu DCI；
所述第一DCI和第四DCI的比特数的个数小于或等于M2，M2为正整数，所述第四DCI为所述第一对象对应的专用Uu DCI；
调度所述第一对象的所述第一DCI的比特数的个数小于或等于M3，M3为正整数。
可选的，所述第二DCI的第二比特数为目标对象对应的所述目标DCI的比特数，所述目标对象为所述第一对象中L个第二对象之一；其中，L为正 整数，每一所述第二对象为带宽部分BWP、BWP配对、小区配对和载波配对其中之一。
可选的，所述L个第二对象对应的目标DCI的比特数包括以下至少一项：
每个BWP配对对应的所述目标DCI的比特数；
每个上行BWP对应的所述目标DCI的比特数；
每个下行BWP对应的所述目标DCI的比特数；
每个SL BWP对应的所述目标DCI的比特数。
可选的，所述L个第二对象对应的目标DCI的比特数包括：每个小区配对或载波配对对应的所述目标DCI的比特数。
可选的，所述目标对象为所述L个第二对象中激活的第二对象。
可选的，所述目标对象为以下任一项：
所述L个第二对象中，目标DCI的比特数最大或最小的DCI对应的第二对象；
所述L个第二对象中，包含的资源最大或最小的第二对象；
所述L个第二对象中，包含的资源数目最大或最小的第二对象；
所述L个第二对象中，目标DCI的比特数最接近第一比特数的第二对象；
所述L个第二对象中，目标DCI的比特数大于第一比特数且最接近第一比特数的第二对象；
所述L个第二对象中，目标DCI的比特数小于第一比特数且最接近第一比特数的第二对象。
可选的，在所述目标对象发生切换或变化的情况下，所述第二比特数为：切换或变化后的目标对象对应的所述目标DCI的比特数。
可选的，在所述目标对象中的至少一个子对象发生切换或变化的情况下，所述第二DCI的第二比特数为：切换或变化后子对象所在的目标对象对应的所述目标DCI的比特数。
可选的，所述第二DCI包括Q1个目标DCI，Q1为大于1的整数。
可选的，所述确定模块具体用于：基于所述第一DCI和第五DCI对齐，得到所述第三比特数；所述第五DCI为Q2个目标DCI中按照所述目标DCI的比特数从到小排列的首个或末个目标DCI；所述Q2个目标DCI为所述Q1 个目标DCI中的部分或全部DCI。
可选的，所述Q2个目标DCI为所述Q1个目标DCI中不满足第一格式的目标DCI。
可选的，所述第三比特数等于所述第五DCI对应的第二比特数或所述第一比特数。
可选的，所述第五DCI的比特数等于所述第一比特数或者所述第三比特数。
可选的，所述目标DCI包括以下至少一项：用户专用搜索空间DCI、回退DCI、非回退DCI、不满足第一格式的DCI和第二格式的DCI。
可选的，在网络设备未为终端配置所述第二DCI的情况下，所述终端的行为包括以下之一：
确定所述第一DCI错误；
不监测所述第一DCI；
监测所述第一DCI，且所述第三比特数等于所述第一比特数。
本发明实施例提供的通信设备能够实现图2的方法实施例中通信设备实现的各个过程，为避免重复，这里不再赘述。
参见图4，图4是本发明实施例提供的另一种通信设备(例如，具体可以网络设备为例进行描述)的结构图，如图4所示，该网络设备400包括：处理器401、收发机402、存储器403和总线接口，其中：
处理器401，用于获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；
收发机402，用于根据所述第三比特数传输所述第一DCI。
应理解，本实施例中，上述处理器401和收发机402能够实现图2的方法实施例中通信设备实现的各个过程，为避免重复，这里不再赘述。
在图4中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器401代表的一个或多个处理器和存储器403代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其 进行进一步描述。总线接口提供接口。收发机402可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口404还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器401负责管理总线架构和通常的处理，存储器403可以存储处理器401在执行操作时所使用的数据。
优选的，本发明实施例还提供一种网络设备，包括处理器401，存储器403，存储在存储器403上并可在所述处理器401上运行的计算机程序，该计算机程序被处理器401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5为实现本发明各个实施例的一种通信设备(例如，具体可以终端为例进行描述)的硬件结构示意图，该终端500包括但不限于：射频单元501、网络模块502、音频输出单元503、输入单元504、传感器505、显示单元506、用户输入单元507、接口单元508、存储器509、处理器510、以及电源511等部件。本领域技术人员可以理解，图5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。在本发明实施例中，终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
处理器510，用于获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；
射频单元501，用于根据所述第三比特数传输所述第一DCI。
应理解，本实施例中，上述处理器510和射频单元501能够实现图2的方法实施例中通信设备实现的各个过程，为避免重复，这里不再赘述。
应理解的是，本发明实施例中，射频单元501可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器510处理；另外，将上行的数据发送给基站。通常，射频单元501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。此外，射频单元501还可以通过无线通信系统与网络和其他设备通信。
终端通过网络模块502为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元503可以将射频单元501或网络模块502接收的或者在存储器509中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元503还可以提供与终端500执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元503包括扬声器、蜂鸣器以及受话器等。
输入单元504用于接收音频或视频信号。输入单元504可以包括图形处理器(Graphics Processing Unit，GPU)5041和麦克风5042，图形处理器5041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。处理后的图像帧可以显示在显示单元506上。经图形处理器5041处理后的图像帧可以存储在存储器509(或其它存储介质)中或者经由射频单元501或网络模块502进行发送。麦克风5042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元501发送到移动通信基站的格式输出。
终端500还包括至少一种传感器505，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板5061的亮度，接近传感器可在终端500移动到耳边时，关闭显示面板5061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器505还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元506用于显示由用户输入的信息或提供给用户的信息。显示单元506可包括显示面板5061，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板5061。
用户输入单元507可用于接收输入的数字或字符信息，以及产生与终端的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元507包括触控面板5071以及其他输入设备5072。触控面板5071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板5071上或在触控面板5071附近的操作)。触控面板5071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器510，接收处理器510发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板5071。除了触控面板5071，用户输入单元507还可以包括其他输入设备5072。具体地，其他输入设备5072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。
进一步的，触控面板5071可覆盖在显示面板5061上，当触控面板5071检测到在其上或附近的触摸操作后，传送给处理器510以确定触摸事件的类型，随后处理器510根据触摸事件的类型在显示面板5061上提供相应的视觉输出。虽然在图5中，触控面板5071与显示面板5061是作为两个独立的部件来实现终端的输入和输出功能，但是在某些实施例中，可以将触控面板5071与显示面板5061集成而实现终端的输入和输出功能，具体此处不做限定。
接口单元508为外部装置与终端500连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元508可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到终端500内的一个或多个元件或者可以用于在终端500和外部装置之间传输数据。
存储器509可用于存储软件程序以及各种数据。存储器509可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可 存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器509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，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器510是终端的控制中心，利用各种接口和线路连接整个终端的各个部分，通过运行或执行存储在存储器509内的软件程序和/或模块，以及调用存储在存储器509内的数据，执行终端的各种功能和处理数据，从而对终端进行整体监控。处理器510可包括一个或多个处理单元；优选的，处理器510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等，调制解调处理器主要处理无线通信。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510中。
终端500还可以包括给各个部件供电的电源511(比如电池)，优选的，电源511可以通过电源管理系统与处理器510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。
另外，终端500包括一些未示出的功能模块，在此不再赘述。
优选的，本发明实施例还提供一种终端，包括处理器510，存储器509，存储在存储器509上并可在所述处理器510上运行的计算机程序，该计算机程序被处理器510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。
本发明实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现本发明实施例提供的通信设备的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，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等。
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。
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，本发明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)执行本发明各个实施例所述的方法。
上面结合附图对本发明的实施例进行了描述，但是本发明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发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本发明的保护之内。

Claims (22)

  1. 一种下行控制信息DCI传输方法，包括：
    获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；
    根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；
    根据所述第三比特数传输所述第一DCI。
  2. 根据权利要求1所述的方法，其中，所述第二DCI包括第一对象对应的Uu DCI中的目标DCI。
  3. 根据权利要求2所述的方法，其中，所述第一对象为以下任一项：
    传输所述第一DCI的Uu小区或载波；
    所述第一DCI调度的SL资源所在的Uu小区或载波；
    所述第一DCI调度的SL小区或载波；
    与所述第一DCI调度的SL资源具有第一关联关系的至少一个小区或载波；
    配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最大的DCI对应的小区或载波；
    配置了所述目标DCI的小区或载波中，所述目标DCI的比特数最小的DCI对应的小区或载波；
    N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最大的DCI对应的小区或载波；
    N个小区或载波中，大于或等于所述第一比特数的目标DCI中比特数最小的DCI对应的小区或载波；
    其中，N为正整数，所述N个小区或载波为配置了所述目标DCI的小区或载波中，存在至少一个所述目标DCI的比特数大于或等于所述第一比特数的小区或载波。
  4. 根据权利要求2所述的方法，其中，所述第一DCI满足以下至少一项：
    所述第一DCI和第三DCI的比特数的个数小于或等于M1，M1为正整 数，所述第三DCI为所述第一对象对应的Uu DCI；
    所述第一DCI和第四DCI的比特数的个数小于或等于M2，M2为正整数，所述第四DCI为所述第一对象对应的专用Uu DCI；
    调度所述第一对象的所述第一DCI的比特数的个数小于或等于M3，M3为正整数。
  5. 根据权利要求4所述的方法，其中，M1为4，所述第一DCI和第三DCI的比特数的个数小于或等于4。
  6. 根据权利要求2所述的方法，其中，所述第二DCI的第二比特数为目标对象对应的所述目标DCI的比特数，所述目标对象为所述第一对象中L个第二对象之一；其中，L为正整数，每一所述第二对象为带宽部分BWP、BWP配对、小区配对和载波配对其中之一。
  7. 根据权利要求6所述的方法，其中，所述L个第二对象对应的目标DCI的比特数包括以下至少一项：
    每个BWP配对对应的所述目标DCI的比特数；
    每个上行BWP对应的所述目标DCI的比特数；
    每个下行BWP对应的所述目标DCI的比特数；
    每个SL BWP对应的所述目标DCI的比特数。
  8. 根据权利要求6所述的方法，其中，所述L个第二对象对应的目标DCI的比特数包括：每个小区配对或载波配对对应的所述目标DCI的比特数。
  9. 根据权利要求6所述的方法，其中，所述目标对象为所述L个第二对象中激活的第二对象。
  10. 根据权利要求6所述的方法，其中，所述目标对象为以下任一项：
    所述L个第二对象中，目标DCI的比特数最大或最小的DCI对应的第二对象；
    所述L个第二对象中，包含的资源最大或最小的第二对象；
    所述L个第二对象中，包含的资源数目最大或最小的第二对象；
    所述L个第二对象中，目标DCI的比特数最接近第一比特数的第二对象；
    所述L个第二对象中，目标DCI的比特数大于第一比特数且最接近第一比特数的第二对象；
    所述L个第二对象中，目标DCI的比特数小于第一比特数且最接近第一比特数的第二对象。
  11. 根据权利要求6所述的方法，其中，在所述目标对象发生切换或变化的情况下，所述第二比特数为：切换或变化后的目标对象对应的所述目标DCI的比特数。
  12. 根据权利要求6所述的方法，其中，在所述目标对象中的至少一个子对象发生切换或变化的情况下，所述第二DCI的第二比特数为：切换或变化后子对象所在的目标对象对应的所述目标DCI的比特数。
  13. 根据权利要求2所述的方法，其中，所述第二DCI包括Q1个目标DCI，Q1为大于1的整数。
  14. 根据权利要求13所述的方法，其中，所述根据所述第一DCI的第一比特数和所述第二DCI的第二比特数确定第一DCI的第三比特数包括：
    基于所述第一DCI和第五DCI对齐，得到所述第三比特数；所述第五DCI为Q2个目标DCI中按照所述目标DCI的比特数从到小排列的首个或末个目标DCI；所述Q2个目标DCI为所述Q1个目标DCI中的部分或全部DCI。
  15. 根据权利要求14所述的方法，其中，所述Q2个目标DCI为所述Q1个目标DCI中不满足第一格式的目标DCI。
  16. 根据权利要求14所述的方法，其中，所述第三比特数等于所述第五DCI对应的第二比特数或所述第一比特数。
  17. 根据权利要求14所述的方法，其中，所述第五DCI的比特数等于所述第一比特数或者所述第三比特数。
  18. 根据权利要求2所述的方法，其中，所述目标DCI包括以下至少一项：用户专用搜索空间DCI、回退DCI、非回退DCI、不满足第一格式的DCI和第二格式的DCI。
  19. 根据权利要求1所述的方法，其中，在网络设备未为终端配置所述第二DCI的情况下，所述终端的行为包括以下之一：
    确定所述第一DCI错误；
    不监测所述第一DCI；
    监测所述第一DCI，且所述第三比特数等于所述第一比特数。
  20. 一种通信设备，包括：
    获取模块，用于获取第一DCI的第一比特数，所述第一DCI为旁连路下行控制信息SL DCI；
    确定模块，用于根据所述第一比特数和第二DCI的第二比特数，确定第一DCI的第三比特数；
    传输模块，用于根据所述第三比特数传输所述第一DCI。
  21. 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19中任一项所述的DCI传输方法中的步骤。
  22. 一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至19中任一项所述的DCI传输方法的步骤。
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CN113543325A (zh) 2021-10-22

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