WO2021159917A1 - 一种资源配置的指示方法、终端设备和存储介质 - Google Patents
一种资源配置的指示方法、终端设备和存储介质 Download PDFInfo
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- WO2021159917A1 WO2021159917A1 PCT/CN2021/072213 CN2021072213W WO2021159917A1 WO 2021159917 A1 WO2021159917 A1 WO 2021159917A1 CN 2021072213 W CN2021072213 W CN 2021072213W WO 2021159917 A1 WO2021159917 A1 WO 2021159917A1
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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
- H04L5/003—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
- H04W72/20—Control channels or signalling for resource management
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
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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
- H04W72/0446—Resources in time domain, e.g. slots or frames
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
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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
- H04L5/0092—Indication of how the channel is divided
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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 disclosure relates to wireless communication technology, in particular to a method for indicating resource configuration, a terminal device and a storage medium.
- terminals are synchronized by sending a bypass (SL, SideLink) synchronization signal/broadcast channel block (SSB, Synchronization Signal and PBCH Block).
- the SSB includes the bypass primary synchronization signal (S-PSS, Sidelink-Primary Synchronization Signals), the bypass secondary synchronization signal (S-SSS, Sidelink-Secondary Synchronization Signals), and the physical bypass broadcast channel (PSBCH, Physical Sidelink Broadcast CHannel). ).
- the PSBCH will carry time division duplex (TDD, Time Division Duplex) configuration information to indicate bypass transmission resources.
- TDD Time Division Duplex
- the number of bits required under the dual-period configuration is too large, resulting in the number of bits of the PSBCH is also too large, affecting the coverage of the bypass SSB.
- the embodiments of the present disclosure expect to provide a method for indicating resource configuration, a terminal device, and a storage medium.
- At least one embodiment of the present disclosure provides a method for indicating resource configuration, and the method includes:
- the terminal device sends time domain resource indication information; where the time domain resource indication information is used to indicate the transmission period and the number of time domain resource units.
- K 1 1 corresponding to the first transmission period
- F is the first transmission period.
- K 2 corresponding to the second transmission period is a predefined positive integer greater than 1
- F is the first value
- K 2 1 corresponding to the second transmission period
- F is the second value .
- the first transmission period is smaller than the second transmission period.
- the first transmission period combination set includes the following at least partial transmission period combinations: 10 millisecond transmission period and 10 millisecond transmission period, 5 millisecond transmission period and 5 millisecond transmission period, 1 millisecond transmission period and 4 millisecond transmission period, 4 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 2 millisecond transmission period, 1 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period, and 2 millisecond transmission period.
- the first value is greater than the second value.
- the number of time domain resource units is also used to indicate the number of available symbols in the transmission period corresponding to the number of available time slots being 0.
- the first transmission period combination set is an empty set.
- At least one embodiment of the present disclosure further provides a terminal device.
- the terminal device includes a communication unit configured to send time-domain resource indication information; wherein the time-domain resource indication information is used to indicate a transmission period and a time-domain resource. Number of units.
- K 1 1 corresponding to the first transmission period
- F is the first transmission period.
- K 2 corresponding to the second transmission period is a predefined positive integer greater than 1
- F is the first value
- K 2 1 corresponding to the second transmission period
- F is the second value value.
- the first transmission period is smaller than the second transmission period.
- the first transmission period combination set includes the following at least partial transmission period combinations: 10 millisecond transmission period and 10 millisecond transmission period, 5 millisecond transmission period and 5 millisecond transmission period, 1 millisecond transmission period and 4 millisecond transmission period, 4 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 2 millisecond transmission period, 1 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period, and 2 millisecond transmission period.
- the first value is greater than the second value.
- the resource indication information is also used to indicate the number of available symbols in the transmission period corresponding to the number of available time slots being 0.
- the first transmission period combination set is an empty set.
- At least one embodiment of the present disclosure further provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the resource configuration instruction method described in the embodiments of the present disclosure are implemented.
- At least one embodiment of the present disclosure further provides a terminal device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
- the processor implements the embodiments of the present disclosure when the program is executed. The steps of the method for indicating resource configuration.
- the resource configuration instruction method, terminal device, and storage medium provided by the embodiments of the present disclosure include: the terminal device sends time domain resource indication information; wherein the time domain resource indication information is used to indicate a transmission period and a time domain resource Number of units.
- the terminal device sends time-domain resource indication information for indicating the transmission period and the number of time-domain resource units to indicate the bypassed transmission resources, which greatly reduces the time-domain resource indication information.
- the number of bits required further reduces the number of bits required for the PSBCH, thereby avoiding the impact on the coverage of the bypass SSB.
- FIG. 1 is a schematic diagram of a communication system architecture according to an embodiment of the disclosure
- FIG. 2 is a schematic flowchart of a method for indicating resource configuration according to an embodiment of the disclosure
- FIG. 3 is a schematic diagram of the composition structure of a terminal device according to an embodiment of the disclosure.
- FIG. 4 is a schematic diagram of the hardware composition structure of a terminal device according to an embodiment of the disclosure.
- Figure 1 is a schematic diagram of the communication system architecture of an embodiment of the present disclosure
- the resource configuration indication method of the embodiment of the present disclosure can be applied to the Internet of Vehicles, which implements wireless communication based on various mobile communication systems
- the system may be, for example, a general packet radio service (GPRS, General Packet Radio Service), a long term evolution (LTE, Long Term Evolution) system, or a 5G system.
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- 5G 5G system.
- the communication system may include a network device and a terminal device, and the network device may be a device that communicates with the terminal device.
- the network device can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area.
- the network device may be a base station in each mobile communication system, such as an evolved base station (eNB, Evolutional Node B) in an LTE system, or a base station (gNB) in a 5G network, etc.
- the 5G network may also be referred to as a New Radio (NR, New Radio) system or NR network.
- NR New Radio
- the terminal device in this embodiment may be a vehicle-mounted terminal device. Among them, the direct communication link between the terminal equipment and the terminal equipment is called a bypass.
- the resource configuration indication method in this embodiment is used to indicate the bypass transmission resources, including the bypass channel transmission resources and the bypass transmission resources. Data transmission resources and so on.
- Figure 1 exemplarily shows one network device and two terminal devices.
- the communication system may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. Implementation of the present disclosure The example does not limit this.
- the number of uplink time slots, and the number of symbols in the related technology refer to Table 1 below. It can be seen that the configuration information requires 21 bits, and the required number of bits exceeds The number of PSBCH bits is too large, which affects the coverage of bypass SSB.
- FIG. 2 is a schematic flowchart of a method for indicating resource configuration according to an embodiment of the disclosure; as shown in FIG. 2, the method includes:
- Step 101 The terminal device sends time-domain resource indication information; where the time-domain resource indication information is used to indicate the transmission period and the number of time-domain resource units.
- the terminal device may be the terminal device shown in FIG. 1.
- the sending of the time domain resource indication information by the terminal device includes: the sending of the time domain resource indication information by the terminal device through the PSBCH.
- the terminal device can send the bypass SSB through the bypass and broadcast; the bypass SSB includes the PSBCH, that is, the bypass SSB is sent through the broadcast, and then the PSBCH is sent through the broadcast, that is, Send the time domain resource indication information by broadcasting.
- the time domain resource indicated by the time domain resource indication information is an uplink time domain resource in a serving cell where the terminal device is located; the time domain resource indication information is used to indicate a transmission resource available for bypass.
- the transmission resources available for the bypass indicate that the configured resources will not conflict with the downlink time domain resources in the serving cell where the terminal device is located.
- the time domain resource unit represents a time slot; the number of time domain resource units represents the number of available time slots in a transmission period. Wherein, the number of available time slots is the number of available time slots for bypass.
- the transmission period may also only include the transmission period, that is, it is configured for a single period.
- the terminal device may first represent the transmission period according to the corresponding time domain resource unit within the duration corresponding to transmission period 1.
- the available time slot is used for bypass transmission, and then the bypass transmission is performed according to the available time slot indicated by the corresponding time domain resource unit within the time length corresponding to transmission cycle 2.
- the indicated available time slot is used for bypass transmission, and then the bypass transmission is performed according to the available time slot indicated by the corresponding time domain resource unit within the time length corresponding to the transmission period 2, and so on.
- the two transmission cycles included in the foregoing transmission cycle combination may be set to the same value.
- the K i is a predefined positive integer.
- K i in this embodiment represents the granularity indicated by the time domain resource indication information; for example, the time domain resource indication information indicates 1 time slot in the transmission period, or indicates 2 time slots in the transmission period.
- the number of available slots N i may also be uplink time domain resource serving cell of the terminal device resides in, a bypass that is also available slot. In this embodiment, by appropriately increasing the granularity indicated by the time domain resource indication information, the number of bits required for the time domain resource indication information is reduced.
- the technical solution provided in this embodiment sends time-domain resource indication information including the transmission period and the number of time-domain resource units through the terminal device, that is, indicates the transmission period and the number of time slots through the time-domain resource indication information.
- the symbol-by-symbol indication is changed to the slot-by-slot uplink resource indication to indicate the bypass transmission resources, which greatly reduces the number of bits required for time-domain resource indication information, thereby reducing the bits required for PSBCH Number, thus avoiding the influence on the coverage of bypass SSB.
- the first value is greater than the second value.
- the first value is 120 kilohertz (KHz); the second value is 60KHz.
- the first transmission period combination set includes the following at least part of the transmission period combination: 10 millisecond (ms) transmission period and 10 millisecond transmission period, 5 millisecond transmission period and 5 millisecond transmission period, 1 millisecond transmission period and 4 millisecond transmission period , 4 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 2 millisecond transmission period, 1 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 1 millisecond transmission period , 2 millisecond transmission period and 2 millisecond transmission period.
- the transmission period combinations included in the first transmission period combination set can select at least part of the multiple transmission period combinations listed above, and which transmissions are specifically selected.
- the period combination is used as the first transmission period combination, which can be determined according to actual needs, and will not be repeated here.
- the first transmission period combination set is an empty set.
- Scenario 2 In the case that the first transmission period combination set is non-empty, and the transmission period combination does not belong to the first transmission period combination set, the instruction is performed according to the indication method of scenario 1; when the transmission period combination belongs to the first transmission In the case of periodic combination set, when the subcarrier interval F is the number of available time slots corresponding to 120KHz, the indication is given according to the granularity of a positive integer greater than 1, and the real-time domain resource indication information indicates to more than one in the period Available time slots; or when the sub-carrier interval F is the number of available time slots corresponding to 60KHz, since in the same transmission period, the number of available time slots corresponding to 60KHz is half of the number of available time slots corresponding to 120KHz, according to the granularity The degree is 1 to indicate, and the real-time domain resource indication information indicates to 1 available time slot in the transmission period.
- the transmission cycle combination in this scenario includes two transmission cycles, denoted as cycle 1 and cycle 2.
- the number of timeslots corresponding to each transmission cycle is shown in Table 2 below. For the number of states corresponding to each transmission cycle combination, refer to Table 2 Shown in the last column.
- the total number of states is 11214, and 14 bits are needed to represent the above 11214 states.
- the number of bits of the time domain resource indication information can be compressed to 14 bits. Compared with the 21 bits in the related technology, this embodiment reduces 7 bits and greatly reduces the time.
- the domain resource indicates the number of bits required for the information, thereby reducing the number of bits required by the PSBCH, thereby avoiding the impact on the coverage of the bypass SSB.
- the indication is performed according to a positive integer with a granularity greater than 1.
- K i 2
- the technical solution of this embodiment can further reduce the number of states, thereby reducing the number of bits required for the time domain resource indication information.
- the first transmission period is less than the second transmission period.
- the first value is greater than the second value.
- the first value is 120 KHz; the second value is 60 KHz.
- the first transmission period combination set is an empty set.
- the indication granularity for a larger transmission period in a larger transmission period combination or a transmission period combination on the basis of indicating the number of uplink time slots, in order to further compress the time-domain configuration information, it is considered to increase the indication granularity for a larger transmission period in a larger transmission period combination or a transmission period combination.
- F is the number of available time slots corresponding to 120KHz
- a predefined positive integer F greater than 1 is used as the granularity for indication
- the real-time resource indication information indicates more than one available time slot in the transmission period; or
- the carrier interval F is the number of available time slots corresponding to 60 KHz
- Scenario 2 In the case that the first transmission period combination set is non-empty, when the transmission period combination belongs to the first transmission period combination set, and the first transmission period and the second transmission period in the transmission period combination are the same ,
- the subcarrier interval F is the number of available time slots corresponding to 120KHz, it is indicated according to the granularity of a positive integer greater than 1, and the real-time domain resource indication information indicates more than one available time slot in the period; or
- Scenario 3 In the case that the first transmission period combination set is non-empty, and the transmission period combination belongs to the first transmission period combination set, and the first transmission period in the transmission period combination is smaller than the second transmission period,
- the subcarrier interval F is the number of available timeslots corresponding to 120KHz, it is indicated according to the granularity of a positive integer greater than 1, and the real-time domain resource indication information indicates 1 in the period.
- More than one available time slot; or when the sub-carrier interval F is the number of available time slots corresponding to 60KHz, the indication is given with a granularity of 1 (K i 1), and the real-time domain resource indication information indicates the number of time slots in the transmission period. 1 available time slot.
- the first transmission period combination set includes the following at least part of the transmission period combination: 10 millisecond transmission period and 10 millisecond transmission period, 5 millisecond transmission period and 5 millisecond transmission period, 1 millisecond transmission period and 4 millisecond transmission period, 4 milliseconds Transmission period and 1 millisecond transmission period, 2 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 2 millisecond transmission period, 1 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 1 millisecond transmission period, 2 milliseconds Transmission cycle and 2 millisecond transmission cycle.
- this scenario only indicates the combination of transmission periods and the number of available time slots N i in each transmission period, and the time domain resource unit includes 1 or 2 time slots, and the subcarrier interval corresponding to the time slot F is a scene of 120KHz.
- the transmission cycle combination in this scenario includes two transmission cycles, denoted as cycle 1 and cycle 2.
- the number of time slots corresponding to each transmission cycle is shown in Table 2 below, and the number of states corresponding to each transmission cycle combination is shown in Table 3. Shown in the last column.
- the transmission period combination in the first transmission period combination set and the first transmission period and the second transmission period are different, for example: 1 millisecond transmission period and 4 millisecond transmission period, 4 millisecond transmission period And 1 millisecond transmission period, 2 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 2 millisecond transmission period, etc.
- the available time slot corresponding to the subcarrier interval F 120KHz
- the indication is given with a granularity of 1
- the real-time domain resource indication information indicates 1 available time slot in the transmission period; for the larger second transmission period, when the subcarrier interval F is 120KHz, the corresponding available time
- the granularity is a positive integer greater than 1
- the real-time resource indication information indicates more than one available time slot in the period; or the number of available time slots corresponding to 60KHz when the subcarrier interval F is 60KHz
- the indication is given according
- Example 2 can be used to compress the number of bits of the time-domain resource indication information to 12 bits. Compared with the 21 bits in the related technology, this embodiment reduces 9 bits and greatly reduces the time.
- the domain resource indicates the number of bits required for the information, thereby reducing the number of bits required by the PSBCH, thereby avoiding the impact on the coverage of the bypass SSB.
- the transmission period combination included in the first transmission period combination set may select at least part of the multiple transmission period combinations listed above, and specifically select the above Which transmission period combination is used as the first transmission period combination can be determined according to actual needs, and will not be repeated here.
- the period 1 of 2 ms and the period 2 of 2 ms shown in Table 3 are not in the first transmission period combination set.
- the first value is greater than the second value.
- the first value is 120KHz; the second value is 60KHz.
- the preset subcarrier interval f1 60KHz.
- it may be based on whether the frequency of the serving cell where the terminal device is located is greater than 6 GHz, or based on the difference in the size of the subcarrier interval f of the bypass SSB that carries the time domain resource indication information, specifically based on the above subcarrier interval f
- the comparison with the preset sub-carrier interval f1 is indicated according to the different sub-carrier interval or the number of available time slots corresponding to the comparison result between the frequency of the serving cell where the terminal device is located and the 6 GHz.
- the preset sub-carrier interval f1 60KHz.
- the resource indication information indicates 1 available time slot in the transmission period.
- the frequency of the serving cell where the terminal device is located is greater than 6 GHz, or the subcarrier interval f of the bypass SSB that carries the time domain resource indication information is greater than 60 KHz, it can be understood that the time domain resource indication is carried
- the subcarrier interval f of the information bypass SSB is 120KHz, then one implementation is to indicate according to the granularity corresponding to the low frequency band.
- the real-time domain resource indication information indicates 1 available time slot in the transmission period; another implementation is to indicate according to the granularity corresponding to the high frequency band, and in the subcarrier interval
- F is the number of available time slots corresponding to 120KHz
- the real-time domain resource indication information indicates to 2 available times in the period Gap.
- the first value is greater than the second value.
- the first value is 120KHz; the second value is 60KHz.
- the first transmission period combination set is an empty set.
- the instruction when the frequency of the serving cell where the terminal device is located is less than or equal to 6GHz, or when the subcarrier interval f of the SSB carrying the time domain resource indication information is less than or equal to 60KHz
- the instruction is based on the granularity corresponding to the low frequency band.
- the subcarrier interval F is the number of available time slots corresponding to 60KHz
- the reference subcarrier interval F is 120KHz corresponding to the available
- the number of time slots is indicated, and the specific implementation can be referred to the foregoing embodiment and Table 2, which will not be repeated here.
- the instruction when the frequency of the serving cell where the terminal device is located is less than or equal to 6GHz, or when the subcarrier interval f of the SSB carrying the time domain resource indication information is less than or equal to 60KHz
- the instruction is based on the granularity corresponding to the low frequency band.
- the subcarrier interval F is the number of available time slots corresponding to 60KHz
- the reference subcarrier interval F is 120KHz corresponding to the available
- the number of time slots is indicated, and the specific implementation manner can be referred to the foregoing embodiment and Table 3, which will not be repeated here.
- the first transmission period combination set includes the following at least part of the transmission period combination: 10 millisecond transmission period and 10 millisecond transmission period, 5 millisecond transmission period and 5 millisecond transmission period, 1 millisecond transmission period and 4 millisecond transmission period, 4 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 2 millisecond transmission period, 1 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period and 2 millisecond transmission period.
- the transmission period combinations included in the first transmission period combination set can select at least part of the multiple transmission period combinations listed above, and which transmissions are specifically selected.
- the period combination is used as the first transmission period combination, which can be determined according to actual needs, and will not be repeated here.
- the number of time domain resource units is also used to indicate the number of available symbols in the transmission period corresponding to the number of available time slots being 0.
- the resource indication information for indicating a combination of transmission cycle, the number of available slots N i in each transmission period and the number of available slots is the number of available symbols in a transmission period corresponding to 0.
- the available symbols corresponding to the number of available symbols are uplink symbols.
- the number of available symbols includes one of the following: 13, 12, 11, 10, 9, 8, 7, or less than 7.
- the number of available time slots is 0, the following eight situations may also be included: 0 time slots + 13 symbols, 0 time slots + 12 symbols, ... 0 time slots + 7 symbols And 0 time slots + less than 7 symbols.
- the number of states corresponding to the transmission cycle combination (number of time slots in cycle 1+8) ⁇ (number of time slots in cycle 2+8).
- the transmission cycle combination in this scenario includes two transmission cycles, denoted as cycle 1 and cycle 2.
- the number of timeslots corresponding to each transmission cycle is shown in Table 4 below. For the number of states corresponding to each transmission cycle combination, refer to Table 4 Shown in the last column.
- the total number of states is 16,429, and 15 bits are required to represent the aforementioned 16,429 states.
- the number of bits of the time-domain resource indication information can be compressed to 15 bits. Compared with the 21 bits in the related technology, this embodiment reduces 6 bits.
- the indication granularity of the time domain resource indication information is also improved.
- the granularity of the indication is increased.
- the number of available time slots is 0, the following eight situations may also be included: 0 time slots + 13 symbols, 0 time slots + 12 symbols, ... 0 time slots + 7 symbols And 0 time slots + less than 7 symbols.
- the number of states corresponding to the transmission cycle combination (number of time slots in cycle 1/2+8) ⁇ (number of time slots in cycle 2/2+8).
- the transmission cycle combination in this scenario includes two transmission cycles, denoted as cycle 1 and cycle 2.
- the number of timeslots corresponding to each transmission cycle is shown in Table 5 below. For the number of states corresponding to each transmission cycle combination, refer to Table 5. Shown in the last column.
- the total number of states is 6058, and 13 bits are required to represent the above 6058 states.
- the number of bits of the time-domain resource indication information can be compressed to 13 bits. Compared with the 21 bits in the related technology, this embodiment reduces 8 bits.
- the indication granularity of the time-domain resource indication information is also improved to a certain extent.
- the time-domain resource indication information is compressed to 13 bits by increasing the granularity of the indication.
- the granularity of the symbol indication is further increased.
- the number of available symbols includes one of the following: 13, 10, and less than 7.
- the number of available time slots is 0, the following three situations may also be included: 0 time slots + 13 symbols, 0 time slots + 10 symbols, and 0 time slots + less than 7 symbols .
- the number of available symbols may also be other combinations of symbol numbers corresponding to the three states, and is not limited to the combination of the number of symbols of 13, 10, and less than 7. The specific combination of the number of available symbols in this embodiment The form is not limited.
- the number of states corresponding to the transmission cycle combination (number of time slots in cycle 1/2+3) ⁇ (number of time slots in cycle 2/2+3).
- the transmission cycle combination in this scenario includes two transmission cycles, denoted as cycle 1 and cycle 2.
- the number of timeslots corresponding to each transmission cycle is shown in Table 6 below. For the number of states corresponding to each transmission cycle combination, refer to Table 6 Shown in the last column.
- the total number of states is 3,703, and 12 bits are needed to represent the above 3703 states.
- the number of bits of the time domain resource indication information can be compressed to 12 bits, which greatly reduces the number of bits required for the time domain resource indication information, thereby reducing the number of bits required for PSBCH. Therefore, the impact on the coverage of the bypass SSB is avoided; compared with the 21 bits in the related art, this embodiment reduces 9 bits, and on the basis of the foregoing embodiment, by indicating some symbols, it is to a certain extent
- the above also improves the indication granularity of the time-domain resource indication information.
- the time-domain resource indication information used to indicate the transmission period and the number of time-domain resource units may be represented by a bit value indicating the corresponding transmission period and the number of time-domain resource units.
- the various values of the 14-bit bits can be used to correspond to the transmission cycle combinations in Table 2 and the number of time slots in each transmission cycle combination. combination.
- Each transmission period combination and the bit value corresponding to each time slot number combination in each transmission period combination can be realized through a mapping table. Then, the terminal device can determine the transmission period combination and each transmission period combination in the time domain resource indication information by looking up the mapping table. The state identifier corresponding to the number of available time slots Ni in each transmission period, and then the corresponding bit value is determined according to the state identifier.
- the terminal equipment determines the resources through the signaling or pre-configuration sent by the base station (such as the eNB in Fig. 1), and then determines the resources actually available for the bypass based on the resources.
- the time domain resource indication information indicating the transmission period for each transmission cycle and a combination of N i is the number of available slots, granularity time domain resource indication information for a case where the time slot, In the case of indicating 0 time slot, it only indicates that there is no complete available time slot.
- the terminal device can determine the time domain resources actually available for the bypass according to the resources configured by the PSSCH, that is, it only needs to ensure that the resources configured by the PSSCH do not conflict with the time domain resource indication information.
- N i the number of available slots in each transmission period and the number of available slots for the case where the number of available symbols in the transmission period corresponding to 0, 0 is instructed to
- the terminal equipment on the receiving side needs to determine the actual available resources of the bypass based on the intersection between the resources configured by the PSSCH and the resources indicated in the PSBCH (time domain resources indicated by the real-time domain resource indication information).
- FIG. 3 is a schematic diagram of the composition structure of a terminal device according to an embodiment of the disclosure; as shown in FIG. 3, the terminal device 20 includes a communication unit 21 configured to send time domain resource indication information; wherein, the time domain resource indication information is used It indicates the transmission period and the number of time domain resource units.
- K 1 1 corresponding to the first transmission period
- F is the first transmission period.
- K 2 corresponding to the second transmission period is a predefined positive integer greater than 1
- F is the first value
- K 2 1 corresponding to the second transmission period
- F is the second value .
- the first transmission period is less than the second transmission period.
- the preset subcarrier interval f1 60KHz.
- the first transmission period combination set includes the following at least part of the transmission period combination: 10 millisecond transmission period and 10 millisecond transmission period, 5 millisecond transmission period and 5 millisecond transmission period, 1 millisecond transmission Cycle and 4 millisecond transmission period, 4 millisecond transmission period and 1 millisecond transmission period, 2 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission period and 2 millisecond transmission period, 1 millisecond transmission period and 3 millisecond transmission period, 3 millisecond transmission Period and 1 millisecond transmission period, 2 millisecond transmission period and 2 millisecond transmission period.
- the first value is greater than the second value.
- the first value is 120KHz; the second value is 60KHz.
- the number of time domain resource units is also used to indicate the number of available symbols in the transmission period corresponding to the number of available time slots being 0.
- the first transmission period combination set is an empty set.
- the communication unit 21 is configured to send time domain resource indication information through PSBCH.
- the communication unit 21 in the terminal device can be implemented by a communication module (including a basic communication kit, an operating system, a communication module, a standardized interface and a protocol, etc.) and a transceiver antenna in practical applications.
- a communication module including a basic communication kit, an operating system, a communication module, a standardized interface and a protocol, etc.
- a transceiver antenna in practical applications.
- the terminal device provided in the foregoing embodiment performs resource instructions
- only the division of the foregoing program modules is used as an example for illustration.
- the foregoing processing can be allocated by different program modules as needed, i.e.
- the internal structure of the terminal device is divided into different program modules to complete all or part of the processing described above.
- the terminal device provided in the foregoing embodiment and the resource configuration instruction method embodiment belong to the same concept. For the specific implementation process, please refer to the method embodiment, which will not be repeated here.
- FIG. 4 is a schematic diagram of the hardware composition structure of a terminal device according to an embodiment of the disclosure.
- the terminal device 30 includes a memory 32, a processor 31, and a computer that is stored in the memory 32 and can run on the processor 31 A program, when the processor 31 executes the program, the steps of the resource configuration instruction method described in the embodiment of the present disclosure are implemented.
- the terminal device 30 further includes a communication interface 33. It can be understood that the various components in the terminal device 30 are coupled together through the bus system 34. It can be understood that the bus system 34 is used to implement connection and communication between these components. In addition to the data bus, the bus system 34 also includes a power bus, a control bus, and a status signal bus. However, for the sake of clear description, various buses are marked as the bus system 34 in FIG. 4.
- the memory 32 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
- the non-volatile memory can be read-only memory (ROM, Read Only Memory), programmable read-only memory (PROM, Programmable Read-Only Memory), and erasable programmable read-only memory (EPROM, Erasable Programmable Read- Only Memory, Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface memory , CD-ROM, or CD-ROM (Compact Disc Read-Only Memory); magnetic surface memory can be magnetic disk storage or tape storage.
- the volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache.
- RAM random access memory
- SRAM static random access memory
- SSRAM synchronous static random access memory
- Synchronous Static Random Access Memory Synchronous Static Random Access Memory
- DRAM Dynamic Random Access Memory
- SDRAM Synchronous Dynamic Random Access Memory
- DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
- ESDRAM Enhanced Synchronous Dynamic Random Access Memory
- SLDRAM synchronous connection dynamic random access memory
- DRRAM Direct Rambus Random Access Memory
- the memory 32 described in the embodiments of the present disclosure is intended to include, but is not limited to, these and any other suitable types of memory.
- the methods disclosed in the foregoing embodiments of the present disclosure may be applied to the processor 31 or implemented by the processor 31.
- the processor 31 may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 31 or instructions in the form of software.
- the aforementioned processor 31 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
- the processor 31 may implement or execute various methods, steps, and logical block diagrams disclosed in the embodiments of the present disclosure.
- the general-purpose processor may be a microprocessor or any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present disclosure may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module may be located in a storage medium, and the storage medium is located in the memory 32.
- the processor 31 reads the information in the memory 32 and completes the steps of the foregoing method in combination with its hardware.
- the terminal device 30 may be configured by one or more Application Specific Integrated Circuits (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD, Programmable Logic Device), and Complex Programmable Logic Device (CPLD). , Complex Programmable Logic Device, FPGA, general-purpose processor, controller, MCU, microprocessor (Microprocessor), or other electronic components are used to implement the aforementioned methods.
- ASIC Application Specific Integrated Circuit
- DSP Digital Signal Processing Unit
- PLD Programmable Logic Device
- CPLD Complex Programmable Logic Device
- FPGA field-programmable Logic Device
- controller Microcontroller
- MCU microprocessor
- the embodiment of the present disclosure also provides a computer-readable storage medium, such as a memory 32 including a computer program, which can be executed by the processor 31 of the terminal device 30 to complete the steps described in the foregoing method.
- the computer-readable storage medium can be FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM, etc.; it can also be a variety of devices including one or any combination of the above-mentioned memories, such as Mobile phones, computers, tablet devices, personal digital assistants, etc.
- the embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the resource configuration instruction method described in the embodiment of the present disclosure are realized.
- the disclosed device and method may be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the units is only a logical function division, and there may be other divisions in actual implementation, such as: multiple units or components can be combined, or It can be integrated into another system, or some features can be ignored or not implemented.
- the coupling, or direct coupling, or communication connection between the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms. of.
- the units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units; Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the functional units in the embodiments of the present disclosure can be all integrated into one processing unit, or each unit can be individually used as a unit, or two or more units can be integrated into one unit;
- the unit can be implemented in the form of hardware, or in the form of hardware plus software functional units.
- the foregoing program can be stored in a computer readable storage medium. When the program is executed, it is executed. Including the steps of the foregoing method embodiment; and the foregoing storage medium includes: various media that can store program codes, such as a mobile storage device, ROM, RAM, magnetic disk, or optical disk.
- the aforementioned integrated unit of the present disclosure is implemented in the form of a software function module and sold or used as an independent product, it may also be stored in a computer readable storage medium.
- the computer software product is stored in a storage medium and includes several instructions for A computer device (which may be a personal computer, a server, or a network device, etc.) executes all or part of the methods described in the various embodiments of the present disclosure.
- the aforementioned storage media include: removable storage devices, ROM, RAM, magnetic disks, or optical disks and other media that can store program codes.
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Abstract
Description
Claims (26)
- 一种资源配置的指示方法,所述方法包括:终端设备发送时域资源指示信息;其中,所述时域资源指示信息用于指示传输周期和时域资源单元数。
- 根据权利要求1所述的方法,其中,所述传输周期包括:传输周期组合,所述时域资源单元数用于指示每个传输周期内的可用时隙数N i,其中,N i=M i*K i,M i为时域资源单元数,所述时域资源单元包含K i个时隙,所述K i个时隙对应的子载波间隔为F,所述K i是预先定义的正整数。
- 根据权利要求2所述的方法,其中,如果所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述传输周期组合属于第一传输周期组合集合,K i为预先定义的大于1的正整数,F为第一取值;或者,K i=1,F为第二取值。
- 根据权利要求2所述的方法,其中,如果所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述传输周期组合属于第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期相同,K i为预先定义的大于1的正整数,F为第一取值;或者,K i=1,F为第二取值;如果所述传输周期组合属于第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期不同,所述第一传输周期对应的K 1=1,F为第一取值,所述第二传输周期对应的K 2为预先定义的大于1的正整数,F为第一取值,或者所述第二传输周期对应的K 2=1,F为第二取值。
- 根据权利要求2所述的方法,其中,如果所述终端设备所在服务小区的频点小于或等于6GHz或者承载所述时域资源指示信息的旁路同步信号/广播信道块SSB的子载波间隔f小于或等于预设子载波间隔f1,K i=1, F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1,K i=f/f1,F为第一取值、或者K i=1,F为第二取值。
- 根据权利要求2所述的方法,其中,如果所述终端设备所在服务小区的频点小于或等于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f小于或等于预设子载波间隔f1,K i=1,F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合属于所述第一传输周期组合集合,K i=f/f1,F为第一取值;或者,K i=1,F为第二取值。
- 根据权利要求2所述的方法,其中,如果所述终端设备所在服务小区的频点小于或等于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f小于或等于预设子载波间隔f1,K i=1,F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合属于所述第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期相同,K i=f/f1,F为第一取值;或者,K i=1,F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合属于所述第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期不同,所述第一传输周期对应的K 1=1,F为第一取值;所述第二传输周期对应的K 2=f/f1,F为第一取值;或者,所述第二传输周期对应的K 2=1,F为第二取值。
- 根据权利要求4或7所述的方法,其中,所述第一传输周期小于所述第二传输周期。
- 根据权利要求3、4、6或7所述的方法,其中,所述第一传输周期组合集合包括以下至少部分传输周期组合:10毫秒传输周期和10毫秒传输周期、5毫秒传输周期和5毫秒传输周期、1毫秒传输周期和4毫秒传输周期、4毫秒传输周期和1毫秒传输周期、2毫秒传输周期和3毫秒传输周期、3毫秒传输周期和2毫秒传输周期,1毫秒传输周期和3毫秒传输周期、3毫秒传输周期和1毫秒传输周期、2毫秒传输周期和2毫秒传输周期。
- 根据权利要求3至7任一项所述的方法,其中,所述第一取值大于所述第二取值。
- 根据权利要求2所述的方法,其中,所述时域资源单元数还用于指示可用时隙数为0对应的传输周期内的可用符号数。
- 根据权利要求3或6所述的方法,其中,所述第一传输周期组合集合为空集。
- 一种终端设备,所述终端设备包括通信单元,配置为发送时域资源指示信息;其中,所述时域资源指示信息用于指示传输周期和时域资源单元数。
- 根据权利要求13所述的终端设备,其中,所述传输周期包括:传 输周期组合,所述时域资源单元数用于指示每个传输周期内的可用时隙数N i,其中,N i=M i*K i,M i为时域资源单元数,所述时域资源单元包含K i个时隙,所述K i个时隙对应的子载波间隔为F,所述K i是预先定义的正整数。
- 根据权利要求14所述的终端设备,其中,如果所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述传输周期组合属于第一传输周期组合集合,K i为预先定义的大于1的正整数,F为第一取值;或者,K i=1,F为第二取值。
- 根据权利要求14所述的终端设备,其中,如果所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述传输周期组合属于第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期相同,K i为预先定义的大于1的正整数,F为第一取值;或者,K i=1,F为第二取值;如果所述传输周期组合属于第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期不同,所述第一传输周期对应的K 1=1,F为第一取值;所述第二传输周期对应的K 2为预先定义的大于1的正整数,F为第一取值,或者,所述第二传输周期对应的K 2=1,F为第二取值。
- 根据权利要求14所述的终端设备,其中,如果所述终端设备所在服务小区的频点小于或等于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f小于或等于预设子载波间隔f1,K i=1,F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1,K i=f/f1,F为第一取值;或者,K i=1,F为第二取值。
- 根据权利要求14所述的终端设备,其中,如果所述终端设备所在服务小区的频点小于或等于6GHz或者承载所述时域资源指示信息的旁路 SSB的子载波间隔f小于或等于预设子载波间隔f1,K i=1,F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合属于所述第一传输周期组合集合,K i=f/f1,F为第一取值;或者,K i=1,F为第二取值。
- 根据权利要求14所述的终端设备,其中,如果所述终端设备所在服务小区的频点小于或等于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f小于或等于预设子载波间隔f1,K i=1,F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合不属于第一传输周期组合集合,K i=1,F为第一取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合属于所述第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期相同,K i=f/f1,F为第一取值;或者,K i=1,F为第二取值;如果所述终端设备所在服务小区的频点大于6GHz或者承载所述时域资源指示信息的旁路SSB的子载波间隔f大于所述预设子载波间隔f1、且所述传输周期组合属于所述第一传输周期组合集合、且所述传输周期组合中的第一传输周期和第二传输周期不同,所述第一传输周期对应的K 1=1,F为第一取值;所述第二传输周期对应的K 2=f/f1,F为第一取值;或者,所述第二传输周期对应的K 2=1,F为第二取值。
- 根据权利要求16或19所述的终端设备,其中,所述第一传输周期小于所述第二传输周期。
- 根据权利要求15、16、18或19所述的终端设备,其中,所述第一传输周期组合集合包括以下至少部分传输周期组合:10毫秒传输周期和10毫秒传输周期、5毫秒传输周期和5毫秒传输周期、1毫秒传输周期和4毫秒传输周期、4毫秒传输周期和1毫秒传输周期、2毫秒传输周期和3毫秒传输周期、3毫秒传输周期和2毫秒传输周期,1毫秒传输周期和3毫秒传输周期、3毫秒传输周期和1毫秒传输周期、2毫秒传输周期和2毫秒传输周期。
- 根据权利要求15至19任一项所述的终端设备,其中,所述第一取值大于所述第二取值。
- 根据权利要求14所述的终端设备,其中,所述时域资源单元数还用于指示可用时隙数为0对应的传输周期内的可用符号数。
- 根据权利要求15或18所述的终端设备,其中,所述第一传输周期组合集合为空集。
- 一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现权利要求1至12任一项所述方法的步骤。
- 一种终端设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述程序时实现权利要求1至12任一项所述方法的步骤。
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JP2022549060A JP7353509B2 (ja) | 2020-02-14 | 2021-01-15 | リソース構成の指示方法、端末機器及び記憶媒体 |
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BR112022015917A BR112022015917A2 (pt) | 2020-02-14 | 2021-01-15 | Método de indicação de configuração de recursos, dispositivo terminal e meio de armazenamento legível por computador |
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CN101572896A (zh) * | 2008-04-29 | 2009-11-04 | 大唐移动通信设备有限公司 | 一种配置上行探测参考信号的方法和装置 |
WO2020024868A1 (zh) * | 2018-08-03 | 2020-02-06 | 维沃移动通信有限公司 | 旁链路信息传输方法及终端 |
CN111245585A (zh) * | 2020-01-10 | 2020-06-05 | 北京展讯高科通信技术有限公司 | 信息发送方法及装置、参数确定方法及装置 |
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CN109802815B (zh) * | 2017-11-17 | 2023-06-20 | 华为技术有限公司 | 指示的方法和通信装置 |
ES2882594T3 (es) * | 2018-03-28 | 2021-12-02 | Asustek Comp Inc | Método y aparato para la determinación del formato de intervalos en un sistema de comunicación inalámbrica |
US11470591B2 (en) * | 2018-05-10 | 2022-10-11 | Qualcomm Incorporated | Direct transport block size specification |
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WO2020024868A1 (zh) * | 2018-08-03 | 2020-02-06 | 维沃移动通信有限公司 | 旁链路信息传输方法及终端 |
CN111245585A (zh) * | 2020-01-10 | 2020-06-05 | 北京展讯高科通信技术有限公司 | 信息发送方法及装置、参数确定方法及装置 |
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MX2022009985A (es) | 2022-09-12 |
JP7353509B2 (ja) | 2023-09-29 |
CA3167466A1 (en) | 2021-08-19 |
BR112022015917A2 (pt) | 2022-10-04 |
EP4099601A1 (en) | 2022-12-07 |
CN113271666A (zh) | 2021-08-17 |
EP4099601A4 (en) | 2023-08-02 |
JP2023514264A (ja) | 2023-04-05 |
AU2021219740B2 (en) | 2024-01-25 |
AU2021219740A1 (en) | 2022-09-29 |
US20230069673A1 (en) | 2023-03-02 |
CN113271666B (zh) | 2023-01-10 |
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