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 PDFInfo
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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
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
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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
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- 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
- H04W72/0457—Variable allocation of band or rate
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- 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
Description
Claims (22)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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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