WO2023065892A1 - 通信方法及装置 - Google Patents
通信方法及装置 Download PDFInfo
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- WO2023065892A1 WO2023065892A1 PCT/CN2022/118581 CN2022118581W WO2023065892A1 WO 2023065892 A1 WO2023065892 A1 WO 2023065892A1 CN 2022118581 W CN2022118581 W CN 2022118581W WO 2023065892 A1 WO2023065892 A1 WO 2023065892A1
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- transmit power
- uplink transmission
- power
- transmission resource
- available maximum
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
Definitions
- the embodiments of the present application relate to the communication field, and more specifically, to a communication method and device.
- the 3rd generation partnership project (3GPP) network proposed the long term evolution (long term evolution) , Vehicle to everything (V2X) communication technology under the LTE system.
- V2X communication is aimed at high-speed equipment represented by vehicles. It is the basic technology and key technology applied in scenarios that require very high communication delays in the future, such as smart cars, autonomous driving, and intelligent transportation systems.
- LTE V2X communication can support communication scenarios with and without network coverage, and its resource allocation method can adopt the network access device scheduling mode, such as the Evolved Universal Terrestrial Radio Access Network Node B (E-UTRAN Node B, eNB) scheduling mode and UE self-selection mode.
- E-UTRAN Node B, eNB Evolved Universal Terrestrial Radio Access Network Node B
- V-UE vehicle users
- V-UE vehicle users
- V-UE vehicle users
- V-UE can send some of their own information, such as position, speed, intention (turning, merging, reversing) and other information periodically and some aperiodic event-triggered information to
- 5G NR V2X will also develop further, such as supporting lower transmission delay, more reliable communication transmission, higher throughput, better user experience, and Meet the needs of a wider range of application scenarios.
- Embodiments of the present application provide a communication method and device, which can flexibly determine an appropriate maximum available transmit power, reasonably determine transmit power for uplink transmission and/or sidelink transmission, and improve communication success rate.
- a communication method including: a first device receives first indication information from a network device, where the first indication information is used to indicate a first uplink transmission resource; the first device determines the first uplink transmission resource whether the resource overlaps with the first sidelink transmission resource in the time domain; if the first uplink transmission resource overlaps with the first sidelink transmission resource in the time domain, the first device according to the first power backoff value Determine the first available maximum transmit power, where the first power backoff value is a power backoff value corresponding to the concurrent mode; the first device determines the first uplink transmission transmit power and the first sidelink transmission power according to the first available maximum transmit power The transmit power of the transmission, the sum of the transmit power of the first uplink transmission and the transmit power of the first sidelink transmission does not exceed the first available maximum transmit power, the first uplink transmission is carried on the first uplink transmission resource, the The first sidelink transmission is borne by the first sidelink transmission resource.
- the first device may be a terminal, a combined device or component having terminal functions, or a communication chip (such as a processor, a baseband chip, or a chip system, etc.) applied to a terminal.
- a communication chip such as a processor, a baseband chip, or a chip system, etc.
- the first device uses the power backoff value corresponding to the concurrent mode to determine the available maximum transmit power when the first uplink transmission resource overlaps the first sidelink transmission resource in the time domain, and according to the concurrent The available maximum transmit power determines the transmit power of uplink transmission and the transmit power of sidelink transmission, so that the transmission power in concurrent mode can meet the corresponding spectrum indicators such as spurs and spectrum templates, and improve the quality and success rate of communication.
- the first device determines the appropriate maximum available transmit power in the concurrent mode when the first uplink resource overlaps with the first sidelink resource, which can effectively improve communication quality and communication success rate.
- the method further includes: when the first uplink transmission resource and the first sidelink transmission resource do not overlap in time domain, the first device Determine the first available maximum transmit power according to the first power backoff value; the first device determines the transmit power of the first uplink transmission or the transmit power of the first sidelink transmission according to the first available maximum transmit power, the The transmit power of the first uplink transmission or the transmit power of the first sidelink transmission does not exceed the first available maximum transmit power.
- the method further includes: when the first uplink transmission resource and the first sidelink transmission resource do not overlap in time domain, the first device Determine the second available maximum transmission power according to the second power backoff value, where the second power backoff value is a power backoff value corresponding to the carrier where the first uplink transmission resource is located; the first device transmits The power determines the transmit power of the first uplink transmission, and the transmit power of the first uplink transmission does not exceed the second available maximum transmit power; or, the first device determines a third available maximum transmit power according to a third power backoff value, The third power backoff value is a power backoff value corresponding to the carrier where the first sidelink transmission resource is located; the first device determines the transmit power of the first sidelink transmission according to the third available maximum transmit power, and the second The transmit power of the side-line transmission does not exceed the third maximum available transmit power.
- the first device uses the power backoff values corresponding to the respective transmissions to determine the respective maximum available transmit powers under the condition that the uplink transmission resources and the sidelink transmission resources do not overlap, and then determines the transmit power of each transmission, reducing the In the scenario where the transmission resources do not overlap in the time domain, the communication quality deteriorates and the communication success rate decreases due to excessive power back-off.
- the first device flexibly determines the appropriate maximum available transmit power under the condition that the first uplink transmission resource and the first sidelink transmission resource do not overlap, which can effectively improve the communication quality of the first device and improve the communication efficiency. Success rate.
- the first device determines the first The transmit power of the uplink transmission and the transmit power of the first sidelink transmission include: the first device determines the transmit power of the first uplink transmission, and the transmit power of the first uplink transmission is the transmit power of the first uplink transmission and the first A smaller value of the available maximum transmission power, the transmission power of the first uplink transmission is determined according to the second power backoff value, and the second power backoff value is the power corresponding to the carrier where the first uplink transmission resource is located Backoff value: the first device determines the transmit power of the first sidelink transmission according to the first available maximum transmit power and the transmit power of the first uplink transmission.
- the first device may consider priorities among overlapping transmission resources, and preferentially determine transmit power for transmissions with higher priorities, so as to ensure the success rate of high-priority transmissions and further improve communication quality.
- the first device The transmit power determining the transmit power of the first sidelink transmission and the transmit power of the first uplink transmission includes: the first device determines the transmit power of the first sidelink transmission, and the transmit power of the first sidelink transmission is the first side The transmit power of the lateral transmission and the lower value of the first available maximum transmit power, the transmit power of the first lateral transmission is determined according to the third power backoff value, and the third power backoff value is the first A power backoff value corresponding to the carrier where the sidelink transmission resource is located; the first device determines the transmit power of the first uplink transmission according to the first available maximum transmit power and the transmit power of the first sidelink transmission.
- the first device may consider priorities among overlapping transmission resources, and preferentially determine transmit power for transmissions with higher priorities, so as to ensure the success rate of high-priority transmissions and further improve communication quality.
- the first power backoff value is determined according to the first uplink transmission resource and the first sidelink transmission resource.
- the method further includes: the first device receives second indication information from the network device, where the second indication information is used to indicate a second uplink transmission resource; In the case that the second uplink transmission resource overlaps with the first sidelink transmission resource in the time domain, the first device determines a fourth available maximum transmit power according to a fourth power backoff value, and the fourth power backoff value is the power backoff value corresponding to the concurrent mode, and the fourth power backoff value is determined according to the second uplink transmission resource and the first sidelink transmission resource; when the fourth available maximum transmit power is greater than the first available In the case of the maximum transmission power, the first device determines the transmission power of the second uplink transmission according to the first available maximum transmission power, and the sum of the transmission power of the second uplink transmission and the transmission power of the first sidelink transmission is not equal to Exceeding the first available maximum transmit power, the second uplink transmission is carried on the second uplink transmission resource.
- multiple available maximum transmit powers are determined according to the power backoff values determined for the sidelink transmission resources and each uplink transmission resource, and the multiple The minimum value of the available maximum transmit power is determined as the available maximum transmit power of the first device.
- the spurious spectrum index can be guaranteed in multiple time domain resources where one sidelink transmission resource overlaps with multiple uplink transmission resources. Satisfying the requirements can further improve the communication quality.
- the method further includes: the first device determines at least one second sidelink transmission resource; and the second sidelink transmission resource and the first uplink transmission resource In the case of overlap in the time domain, the first device determines the fifth available maximum transmission power according to the fifth power backoff value, the fifth power backoff value is a power backoff value corresponding to the concurrent mode, and the fifth power The backoff value is determined according to the second sidelink transmission resource and the first uplink transmission resource; if the fifth available maximum transmit power is greater than the first available maximum transmit power, the first device The transmit power of the second sidelink transmission can be determined by the maximum transmit power, the sum of the transmit power of the second sidelink transmission and the transmit power of the first uplink transmission does not exceed the first available maximum transmit power, and the second sidelink transmission The transmission is carried on the second sidelink transmission resource.
- multiple available maximum transmit powers are determined according to the power backoff values determined for the uplink transmission resources and each sidelink transmission resource, and the multiple The minimum value of the available maximum transmit power is determined as the available maximum transmit power of the first device.
- the spurious spectrum index can be guaranteed in multiple time domain resources where one uplink transmission resource overlaps with multiple sidelink transmission resources. Satisfying the requirements can further improve the communication quality.
- the first uplink transmission resource and the first sidelink transmission resource are located in the same frequency band.
- a communication method including: a first device receives first indication information from a network device, where the first indication information is used to indicate a first uplink transmission resource; the first device receives the first indication information from a network device Two indication information, the second indication information is used to indicate the second uplink transmission resource; the first device determines whether the first uplink transmission resource and the second uplink transmission resource overlap in the time domain; on the first uplink transmission resource In the case of overlapping with the second uplink transmission resource in the time domain, the first device determines a first available maximum transmit power according to a first power backoff value, where the first power backoff value is a power backoff corresponding to a concurrent mode value; the first device determines the transmit power of the first uplink transmission and the transmit power of the second uplink transmission according to the first available maximum transmit power, and the sum of the transmit power of the first uplink transmission and the transmit power of the second uplink transmission Not exceeding the first available maximum transmission power, the first uplink transmission is carried on the first uplink transmission resource, and
- the first device may be a terminal, a combined device or component having terminal functions, or a communication chip (such as a processor, a baseband chip, or a chip system, etc.) applied to a terminal.
- a communication chip such as a processor, a baseband chip, or a chip system, etc.
- the first device determines the available maximum transmit power by using the power backoff value corresponding to the concurrent mode when the first uplink transmission resource and the second uplink transmission resource overlap in the time domain, and according to the concurrent
- the maximum transmission power can be used to determine the transmission power of the uplink transmission and the transmission power of the side transmission, so that the transmission power in the concurrent mode can meet the corresponding spectrum indicators such as spurs and spectrum templates, and improve the quality and success rate of communication.
- the first device determines the appropriate maximum available transmit power in concurrent mode when the first uplink resource overlaps with the second uplink resource, which can effectively improve communication quality and communication success rate.
- the method further includes: when the first uplink transmission resource and the second uplink transmission resource do not overlap in the time domain, the first device according to The first power backoff value determines the first available maximum transmit power; the first device determines the transmit power of the first uplink transmission or the transmit power of the second uplink transmission according to the first available maximum transmit power, and the first The transmit power of the uplink transmission or the transmit power of the second uplink transmission does not exceed the first available maximum transmit power.
- the method further includes: when the first uplink transmission resource and the second uplink transmission resource do not overlap in the time domain, the first device according to The second power backoff value determines the second available maximum transmission power, and the second power backoff value is the power backoff value corresponding to the carrier where the first uplink transmission resource is located; Determine the transmit power of the first uplink transmission, where the transmit power of the first uplink transmission does not exceed the second available maximum transmit power; or, the first device determines a third available maximum transmit power according to a third power backoff value, the The third power backoff value is the power backoff value corresponding to the carrier where the second uplink transmission resource is located; the first device determines the transmission power of the second uplink transmission according to the third available maximum transmission power, and the second uplink transmission The transmit power of does not exceed the third available maximum transmit power.
- the first device uses the power backoff values corresponding to the respective transmissions to determine the respective maximum available transmit powers when the first uplink transmission resources and the second uplink transmission resources do not overlap, and then determines the transmit powers of the respective transmissions , to reduce the problem of poor communication quality and reduced communication success rate caused by excessive power back-off in the scenario where transmission resources do not overlap in the time domain.
- the first device flexibly determines the appropriate maximum available transmit power under the condition that the first uplink transmission resource and the second uplink transmission resource do not overlap, which can effectively improve the communication quality of the first device and improve the success of the communication. Rate.
- a communication method including: a first device receives first indication information from a network device, where the first indication information is used to indicate an uplink transmission resource; the first device determines a sidelink transmission resource; the second A device determines a first available maximum transmit power according to a first power backoff value, where the first power backoff value is a power backoff value corresponding to a concurrent mode; the first device determines an uplink transmission rate according to the first available maximum transmit power The transmission power and the transmission power of the sidelink transmission, the sum of the transmission power of the uplink transmission and the transmission power of the sidelink transmission does not exceed the first available maximum transmission power, the uplink transmission is carried on the uplink transmission resource, and the sidelink transmission carried in the sidelink transmission resource.
- the first device may be a terminal, a combined device or component having terminal functions, or a communication chip (such as a processor, a baseband chip, or a chip system, etc.) applied to a terminal.
- a communication chip such as a processor, a baseband chip, or a chip system, etc.
- the available maximum transmission power is determined using the power backoff value corresponding to the concurrent mode, and the transmission power of the uplink transmission is determined according to the concurrent maximum available transmission power and the transmission power of side transmission, so that the transmission power can meet the corresponding spectrum indicators such as spurious and spectrum templates, and improve the quality and success rate of communication.
- the first device flexibly determines the appropriate maximum available transmit power when uplink resources and sidelink resources may overlap, which can effectively improve communication quality and communication success rate.
- a communication device including: a transceiver module, configured to receive first indication information from a network device, where the first indication information is used to indicate a first uplink transmission resource; a processing module, configured to determine the first Whether an uplink transmission resource overlaps with the first sidelink transmission resource in the time domain; if the first uplink transmission resource overlaps with the first sidelink transmission resource in the time domain, the processing module is further configured to: The first power backoff value determines the first available maximum transmission power, and the first power backoff value is a power backoff value corresponding to the concurrent mode; the processing module is also used to determine the first uplink according to the first available maximum transmission power The transmit power of the transmission and the transmit power of the first sidelink transmission, the sum of the transmit power of the first uplink transmission and the transmit power of the first sidelink transmission does not exceed the first available maximum transmit power, and the first uplink transmission bears On the first uplink transmission resource, the first sidelink transmission is carried on the first sidelink transmission resource.
- the first device uses the power backoff value corresponding to the concurrent mode to determine the available maximum transmit power when the first uplink transmission resource overlaps the first sidelink transmission resource in the time domain, and according to the concurrent The available maximum transmit power determines the transmit power of uplink transmission and the transmit power of sidelink transmission, so that the transmission power in concurrent mode can meet the corresponding spectrum indicators such as spurs and spectrum templates, and improve the quality and success rate of communication.
- the first device determines the appropriate maximum available transmit power in the concurrent mode when the first uplink resource overlaps with the first sidelink resource, which can effectively improve communication quality and communication success rate.
- the processing module when the first uplink transmission resource and the first sidelink transmission resource do not overlap in the time domain, the processing module is further configured to: The first power backoff value determines the first available maximum transmit power; the processing module is further configured to determine the transmit power of the first uplink transmission or the transmit power of the first sidelink transmission according to the first available maximum transmit power, The transmit power of the first uplink transmission or the transmit power of the first sidelink transmission does not exceed the first available maximum transmit power.
- the processing module is further configured to determine a second available maximum transmit power according to a second power backoff value, where the second power backoff value is the first uplink The power backoff value corresponding to the carrier where the transmission resource is located; the processing module is further configured to determine the transmit power of the first uplink transmission according to the second available maximum transmit power, and the transmit power of the first uplink transmission does not exceed the second The available maximum transmit power; or, the processing module is further configured to determine a third available maximum transmit power according to a third power backoff value, where the third power backoff value is the power corresponding to the carrier where the first sidelink transmission resource is located Backoff value; the processing module is further configured to determine the transmit power of the first sidelink transmission according to the third available maximum transmit power, and the transmit power of the first sidelink transmission does not exceed the third available maximum transmit power.
- the first device uses the power backoff values corresponding to the respective transmissions to determine the respective maximum available transmit powers under the condition that the uplink transmission resources and the sidelink transmission resources do not overlap, and then determines the transmit power of each transmission, reducing the In the scenario where the transmission resources do not overlap in the time domain, the communication quality deteriorates and the communication success rate decreases due to excessive power back-off.
- the first device flexibly determines the appropriate maximum available transmit power under the condition that the first uplink transmission resource and the first sidelink transmission resource do not overlap, which can effectively improve the communication quality of the first device and improve the communication efficiency. Success rate.
- the processing module is specifically configured to determine the transmit power of the first uplink transmission, and the transmit power of the first uplink transmission is the difference between the transmit power of the first uplink transmission and the first available maximum The smaller value of the transmission power, the transmission power of the first uplink transmission is determined according to the second power backoff value, and the second power backoff value is the power backoff value corresponding to the carrier where the first uplink transmission resource is located ;
- the processing module is specifically configured to determine the transmit power of the first sidelink transmission according to the first available maximum transmit power and the transmit power of the first uplink transmission.
- the first device may consider priorities among overlapping transmission resources, and preferentially determine transmit power for transmissions with higher priorities, so as to ensure the success rate of high-priority transmissions and further improve communication quality.
- the first uplink transmission resource overlaps with the first sidelink transmission resource in the time domain, and the priority of the first sidelink transmission is higher than that of the first sidelink transmission resource.
- the processing module is specifically configured to determine the transmit power of the first sidelink transmission, and the transmit power of the first sidelink transmission is the difference between the transmit power of the first sidelink transmission and the first sidelink transmission A smaller value of the available maximum transmit power, the transmit power of the first sidelink transmission is determined according to a third power backoff value, and the third power backoff value corresponds to the carrier where the first sidelink transmission resource is located The power backoff value; the processing module is specifically configured to determine the transmit power of the first uplink transmission according to the first available maximum transmit power and the transmit power of the first sidelink transmission.
- the first device may consider priorities among overlapping transmission resources, and preferentially determine transmit power for transmissions with higher priorities, so as to ensure the success rate of high-priority transmissions and further improve communication quality.
- the first power backoff value is determined according to the first uplink transmission resource and the first sidelink transmission resource.
- the transceiver module is further configured to receive second indication information from the network device, where the second indication information is used to indicate a second uplink transmission resource; in the When the second uplink transmission resource overlaps with the first sidelink transmission resource in the time domain, the processing module is further configured to determine a fourth available maximum transmit power according to a fourth power backoff value, the fourth power backoff value The value is the power backoff value corresponding to the concurrent mode, and the fourth power backoff value is determined according to the second uplink transmission resource and the first sidelink transmission resource; when the fourth available maximum transmit power is greater than the first In the case of the available maximum transmit power, the processing module is further configured to determine the transmit power of the second uplink transmission according to the first available maximum transmit power, the transmit power of the second uplink transmission and the transmit power of the first sidelink transmission The sum of the powers does not exceed the first available maximum transmission power, and the second uplink transmission is carried on the second uplink transmission resource.
- multiple available maximum transmit powers are determined according to the power backoff values determined for the sidelink transmission resources and each uplink transmission resource, and the multiple The minimum value of the available maximum transmit power is determined as the available maximum transmit power of the first device.
- the spurious spectrum index can be guaranteed in multiple time domain resources where one sidelink transmission resource overlaps with multiple uplink transmission resources. Satisfying the requirements can further improve the communication quality.
- the first device determines at least one second sidelink transmission resource; when the second sidelink transmission resource overlaps with the first uplink transmission resource in time domain
- the processing module is further configured to determine the fifth available maximum transmission power according to the fifth power backoff value, the fifth power backoff value is the power backoff value corresponding to the concurrent mode, and the fifth power backoff value The value is determined according to the second sidelink transmission resource and the first uplink transmission resource; when the fifth available maximum transmit power is greater than the first available maximum transmit power, the processing module is further configured to The transmit power of the second sidelink transmission is determined by the available maximum transmit power, the sum of the transmit power of the second sidelink transmission and the transmit power of the first uplink transmission does not exceed the first available maximum transmit power, and the second sidelink The row transmission is carried on the second side row transmission resource.
- multiple available maximum transmit powers are determined according to the power backoff values determined for the uplink transmission resources and each sidelink transmission resource, and the multiple The minimum value of the available maximum transmit power is determined as the available maximum transmit power of the first device.
- the spurious spectrum index can be guaranteed in multiple time domain resources where one uplink transmission resource overlaps with multiple sidelink transmission resources. Satisfying the requirements can further improve the communication quality.
- the first uplink transmission resource and the first sidelink transmission resource are located in the same frequency band.
- a communication device including:
- the transceiver module is configured to receive first indication information from the network device, where the first indication information is used to indicate the first uplink transmission resource; the transceiver module is also configured to receive second indication information from the network device, where the second indication The information is used to indicate the second uplink transmission resource; the processing module is used to determine whether the first uplink transmission resource and the second uplink transmission resource overlap in the time domain; the first uplink transmission resource and the second uplink transmission resource In the case that resources overlap in the time domain, the processing module is further configured to determine a first available maximum transmit power according to a first power backoff value, where the first power backoff value is a power backoff value corresponding to a concurrent mode; the The processing module is further configured to determine the transmit power of the first uplink transmission and the transmit power of the second uplink transmission according to the first available maximum transmit power, and the sum of the transmit power of the first uplink transmission and the transmit power of the second uplink transmission Not exceeding the first available maximum transmission power, the first uplink transmission is carried on the first uplink transmission resource, and the
- the first device may be a terminal, a combined device or component having terminal functions, or a communication chip (such as a processor, a baseband chip, or a chip system, etc.) applied to a terminal.
- a communication chip such as a processor, a baseband chip, or a chip system, etc.
- the first device determines the available maximum transmit power by using the power backoff value corresponding to the concurrent mode when the first uplink transmission resource and the second uplink transmission resource overlap in the time domain, and according to the concurrent
- the maximum transmission power can be used to determine the transmission power of the uplink transmission and the transmission power of the side transmission, so that the transmission power in the concurrent mode can meet the corresponding spectrum indicators such as spurs and spectrum templates, and improve the quality and success rate of communication.
- the first device determines the appropriate maximum available transmit power in concurrent mode when the first uplink resource overlaps with the second uplink resource, which can effectively improve communication quality and communication success rate.
- the processing module when the first uplink transmission resource and the second uplink transmission resource do not overlap in the time domain, the processing module is further configured to: A power backoff value determines the first available maximum transmit power; the processing module is further configured to determine the transmit power of the first uplink transmission or the transmit power of the second uplink transmission according to the first available maximum transmit power, the first The transmit power of an uplink transmission or the transmit power of the second uplink transmission does not exceed the first available maximum transmit power.
- the processing module is further configured to: The power backoff value determines the second available maximum transmission power, and the second power backoff value is a power backoff value corresponding to the carrier where the first uplink transmission resource is located;
- the processing module is further configured to determine the transmit power of the first uplink transmission according to the second available maximum transmit power, and the transmit power of the first uplink transmission does not exceed the second available maximum transmit power; or, the processing module is also configured to It is used to determine the third maximum available transmission power according to the third power backoff value, where the third power backoff value is the power backoff value corresponding to the carrier where the second uplink transmission resource is located; the processing module is also used to according to the The third available maximum transmit power determines the transmit power of the second uplink transmission, and the transmit power of the second uplink transmission does not exceed the third available maximum transmit power.
- the first device uses the power backoff values corresponding to the respective transmissions to determine the respective maximum available transmit powers when the first uplink transmission resources and the second uplink transmission resources do not overlap, and then determines the transmit powers of the respective transmissions , to reduce the problem of poor communication quality and reduced communication success rate caused by excessive power back-off in the scenario where transmission resources do not overlap in the time domain.
- the first device flexibly determines the appropriate maximum available transmit power under the condition that the first uplink transmission resource and the second uplink transmission resource do not overlap, which can effectively improve the communication quality of the first device and improve the success of the communication. Rate.
- a communication device including: a first device receives first indication information from a network device, where the first indication information is used to indicate an uplink transmission resource; the first device determines a sidelink transmission resource; the first A device determines a first available maximum transmit power according to a first power backoff value, where the first power backoff value is a power backoff value corresponding to a concurrent mode; the first device determines an uplink transmission rate according to the first available maximum transmit power The transmission power and the transmission power of the sidelink transmission, the sum of the transmission power of the uplink transmission and the transmission power of the sidelink transmission does not exceed the first available maximum transmission power, the uplink transmission is carried on the uplink transmission resource, and the sidelink transmission carried in the sidelink transmission resource.
- the first device may be a terminal, a combined device or component having terminal functions, or a communication chip (such as a processor, a baseband chip, or a chip system, etc.) applied to a terminal.
- a communication chip such as a processor, a baseband chip, or a chip system, etc.
- the available maximum transmission power is determined using the power backoff value corresponding to the concurrent mode, and the transmission power of the uplink transmission is determined according to the concurrent maximum available transmission power and the transmission power of side transmission, so that the transmission power can meet the corresponding spectrum indicators such as spurious and spectrum templates, and improve the quality and success rate of communication.
- the first device flexibly determines the appropriate maximum available transmit power when uplink resources and sidelink resources may overlap, which can effectively improve communication quality and communication success rate.
- the communication device in the above aspect may be a terminal, or a chip applied in the terminal, or other combined devices, components, etc. that can realize the functions of the above terminal.
- the transceiver module may be a transmitter and a receiver, or an integrated transceiver, which may include an antenna and a radio frequency circuit, etc.
- the processing module may be a processor, such as a baseband chip.
- the transceiver module may be a radio frequency unit
- the processing module may be a processor.
- the transceiver module may be an input and output interface of the chip system
- the processing module may be a processor in the chip system, for example: a central processing unit (central processing unit, CPU).
- a communication device including one or more processors, the one or more processors are coupled with a memory, and can be used to execute programs or instructions in the memory, so that the device performs any of the above aspects or The method in any possible implementation manner in this aspect.
- the device further includes a memory.
- the device further includes a communication interface, and the processor is coupled to the communication interface.
- a processing device in an eighth aspect, includes a processor and an input-output interface, for example, it is applied in a communication device, and is used to realize the functions or methods involved in the above-mentioned first to third aspects, the The processing device may be, for example, a system on a chip.
- the system-on-a-chip further includes a memory, and the memory is configured to store program instructions and data necessary to implement functions of the method described in the first aspect above.
- the chip system in the above aspect can be a system on chip (system on chip, SOC), and can also be a baseband chip, etc., wherein the baseband chip can include a processor, a channel encoder, a digital signal processor, a modem, and an interface module.
- SOC system on chip
- baseband chip can include a processor, a channel encoder, a digital signal processor, a modem, and an interface module.
- the input signal received by the input interface may be received and input by the receiver, for example but not limited to, and the signal output by the output interface may be output to the transmitter and transmitted by the transmitter, for example but not limited to , and the input interface and the output interface may be the same integrated interface, which is used as the input interface and the output interface respectively at different times.
- the embodiment of the present application does not limit the specific implementation manners of the processor and various interfaces.
- a computer-readable storage medium is provided, and a computer program is stored on the computer-readable storage medium, and when the computer program is run on a computer, the computer is made to execute any one of the first to third aspects.
- the communication method On the one hand the communication method.
- a computer program product includes: a computer program (also referred to as code, or an instruction), which, when the computer program is executed, causes the computer to execute any one of the above aspects or one of the aspects in this aspect.
- a computer program also referred to as code, or an instruction
- a chip system including: a processor, configured to call and run a computer program from a memory, so that a communication device installed with the chip system executes any one of the first to third aspects The communication method.
- FIG. 1 shows a schematic diagram of a communication architecture of an embodiment of the present application.
- FIG. 2 shows several possible IoV communication scenarios.
- FIG. 3 shows a communication method 100 of the present application.
- FIG. 4 shows a communication method 200 of the present application.
- Fig. 5 shows a communication method 300 according to the embodiment of the present application.
- FIG. 6 shows a method 400 for determining power provided by the present application.
- Fig. 7 is a schematic block diagram of a communication device provided by an embodiment of the present application.
- FIG. 8 is a schematic diagram of a communication device 20 provided by an embodiment of the present application.
- LTE long term evolution
- FDD frequency division duplex
- TDD time division duplex
- WiMAX worldwide interoperability for microwave access
- NR new radio
- FIG. 1 shows a schematic diagram of a communication architecture of an embodiment of the present application.
- the communication system of the present application includes at least one network device and two user equipments.
- V2X communication can support communication scenarios with and without network coverage.
- the network device and the two user equipments can communicate through the Uu (UTRAN-to-UE) air interface, for example, the uplink (uplink) between RAN and UE1 or UE2 in Figure 1 , UL) communication and downlink (downlink, DL) communication, the two user equipments can communicate through a sidelink (sidelink, SL) carrier.
- Uu UTRAN-to-UE
- UL uplink
- downlink downlink
- DL downlink
- the sidelink SL carrier usually refers to the carrier on the PC5 interface.
- the sidelink SL is a descriptive limitation on the carrier on the PC5 interface. carrier to be distinguished, but should not cause any substantive limitation.
- the user equipment in this embodiment of the present application may be a device with a wireless communication sending and receiving function or a device or a chip in a device with a wireless communication sending and receiving function
- the system, the communication device in the embodiment of the present application supports sidelink communication, and can be deployed on land, including indoors or outdoors, roadside, handheld or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons and satellites, etc.).
- the terminal device may be a mobile phone, a tablet computer (pad), a computer with a wireless transceiver function, a virtual reality (virtual reality, VR) terminal, an augmented reality (augmented reality, AR) terminal, an industrial control (industrial control ), wireless terminals in self driving, wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety , wireless terminal in smart city, wireless terminal in smart home, user equipment (UE), vehicle communication device, vehicle communication chip, roadside unit or communication in roadside unit device etc.
- VR virtual reality
- AR augmented reality
- industrial control industrial control
- the radio access network device may be a device that provides wireless communication function services for terminal devices, and is usually located on the network side.
- exemplary The specific implementation forms include but are not limited to: next-generation base station (g nodeB, gNB) in the fifth generation (5th generation, 5G) communication system, evolved node B (evolved node B, eNB) in the LTE system, wireless Network controller (radio network controller, RNC), node B (node B, NB), baseband unit (baseBand unit, BBU), transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP), mobile Switching centers, devices in vehicle to everything (V2X) communication (also known as Internet of Vehicles communication) systems that provide wireless communication services for terminal devices, and cloud radio access network (CRAN) scenarios Wireless controllers, relay stations, vehicle-mounted devices, wearable devices, and network devices in future evolution networks.
- V2X vehicle to everything
- CRAN cloud radio access network
- the base station may be a RAN device including a centralized unit (centralized unit, CU) node, or a distributed unit (DU) node, or a CU node and a DU node, or a control plane CU RAN equipment of the node (CU-CP node) and user plane CU node (CU-UP node) and DU node.
- a centralized unit centralized unit, CU
- DU distributed unit
- CU-CP node control plane CU RAN equipment of the node
- CU-UP node user plane CU node
- the Uu air interface is used for communication between the terminal device and the access network device, and the Uu air interface may also be referred to as Uu for short.
- the channel through which an access network device sends information to a terminal device is called a downlink (DL) channel
- the downlink channel may include a physical downlink shared channel (PDSCH) and a physical downlink control channel (physical downlink control channel, PDCCH) at least one channel.
- PDSCH physical downlink shared channel
- PDCCH physical downlink control channel
- the PDCCH is used to carry downlink control information DCI
- the PDSCH is used to carry downlink data (data).
- the channel through which the terminal device sends information to the access network device is called an uplink (UL) channel
- the uplink channel may include a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH). at least one of the channels.
- PUSCH is used to carry uplink data.
- the uplink data may also be referred to as uplink data information.
- PUCCH is used to carry the uplink control information (uplink control information, UCI) fed back by the terminal device, for example, UCI may include channel state information (channel state information, CSI), positive response (acknowledge, ACK) and/or negative feedback from the terminal device Response (negative acknowledgment, NACK) and so on.
- the transmission of the Uu air interface may include uplink transmission and downlink transmission, wherein the uplink transmission means that the terminal device sends information to the access network device, and the downlink transmission means that the access network device sends information to the terminal device.
- the information for uplink transmission may be uplink information or uplink signals.
- the uplink information or uplink signal may include at least one of PUSCH, PUCCH, and sounding reference signal (sounding reference signal, SRS).
- the information for downlink transmission may be downlink information or downlink signals.
- the downlink information or downlink signal may include at least one of PDSCH, PDCCH, channel state information reference signal (channel state information reference signal, CSI RS), phase tracking reference signal (phase tracking reference signal, PTRS).
- SL communication is used for terminal-to-terminal communication.
- the channel for SL transmission may be carried on an uplink carrier, and the uplink carrier may be an uplink carrier for communication between a network device and a terminal, or may be an independent carrier.
- the sidelink sidelink may also be called a sidelink, a sidelink, a secondary link, and the like.
- Sidelink communication can use physical sidelink shared channel (physical sidelink shared channel, PSSCH), physical sidelink control channel (physical sidelink control channel, PSCCH), that is, SL resources include PSCCH resources and PSSCH resources, wherein, PSCCH uses
- PSSCH is used to carry the first-level sidelink control information (sidelink control information, SCI), and the PSSCH is used to carry the second-level SCI and data.
- the information in the SCI can also be called scheduling assignment (SA).
- SA includes relevant information for data scheduling, such as PSSCH resource allocation, modulation and coding methods and other information.
- the PSSCH and the PSCCH may be channels sent by a transmitting terminal (such as terminal 1 ) to a receiving terminal (such as terminal 2 ).
- a typical application scenario of Uu air interface communication and SL communication is the Internet of Vehicles.
- V2X each vehicle is a user equipment, and data transmission between two vehicles can be performed directly through SL, or through the network based on the Uu interface.
- D2D device-to-device
- the application of D2D technology can reduce the burden of the cellular network, reduce the battery power consumption of the user equipment, increase the data rate, and can well meet the requirements of proximity services.
- the D2D technology allows multiple user equipment (user equipment, referred to as UE) supporting the D2D function to perform direct discovery and direct communication with or without network infrastructure.
- UE user equipment
- V2X communication refers to Communication between vehicles and anything outside, including vehicle-to-vehicle (V2V) communication (vehicle to vehicle, V2V) as shown in (a) in Figure 2, and vehicle-to-pedestrian communication as shown in (b) in Figure 2 (vehicle to pedestrian, V2P), vehicle to infrastructure communication (vehicle to infrastructure, V2I), such as vehicle to network communication (vehicle to network, V2N) shown in (c) in Figure 2.
- V2V vehicle-to-vehicle
- V2V vehicle to vehicle to vehicle
- V2V vehicle to vehicle to vehicle
- V2P vehicle-to-pedestrian communication
- V2P vehicle to pedestrian, V2P
- V2I vehicle to infrastructure
- V2N vehicle to network communication
- V2N vehicle to network communication
- V2X communication is aimed at high-speed equipment represented by vehicles. It is the basic technology and key technology applied in scenarios that require very high communication delays in the future, such as smart cars, autonomous driving, and intelligent transportation systems.
- LTE V2X communication can support communication scenarios with and without network coverage, and its resource allocation method can adopt the network access device scheduling mode, such as the Evolved Universal Terrestrial Radio Access Network Node B (E-UTRAN Node B, referred to as eNB) Scheduling mode and UE self-selection mode.
- E-UTRAN Node B Evolved Universal Terrestrial Radio Access Network Node B
- eNB Evolved Universal Terrestrial Radio Access Network Node B
- V-UE vehicle users
- vehicle UE vehicle UE
- V-UE vehicle UE
- the 3GPP standard organization officially released the first-generation LTE V2X standard in early 2017, and the LTE version number is Release 14.
- LTE V2X solves some basic requirements in V2X scenarios, but for future fully intelligent driving, autonomous driving and other application scenarios, LTE V2X at this stage cannot effectively support it.
- 5G NR technology in the 3GPP standard organization, 5G NR V2X will also develop further, such as supporting lower transmission delay, more reliable communication transmission, higher throughput, better user experience, and Meet the needs of a wider range of application scenarios.
- NR V2X may use three different transmission modes when sending channels, and it can send Uu air interface data to network devices in various ways.
- a single carrier for sending sidelinks (sidelink, SL) to other user equipments For example, a single carrier is sent to the network device only through the Uu air interface, or a single carrier is sent to other user equipment only through the SL carrier, or a single carrier is sent to the network device and other terminal devices through the Uu air interface and the SL carrier respectively.
- the time period of Uu air interface communication and SL carrier communication may overlap, and the time period of Uu air interface communication and SL carrier communication may also occur non-overlapping cases.
- the available maximum transmit power (configured maximum output power) suitable for the user equipment is different.
- the terminal device first determines its available maximum transmit power when transmitting through the SL single carrier and the available maximum transmit power when transmitting through the Uu single carrier.
- the maximum transmit power and then determine the available maximum transmit power of the terminal device according to the available maximum transmit power of the two transmission modes. It should be understood that determining the available maximum transmit power requires a power backoff value. Among them, only the power backoff value during SL single-carrier transmission is considered when determining the available maximum transmit power during SL single-carrier transmission, and only the power back-off value during Uu single-carrier transmission is considered when determining the available maximum transmit power during Uu single-carrier transmission value.
- the above-mentioned method for determining the maximum available transmit power of the terminal equipment does not determine whether the time periods of Uu air interface communication and SL carrier communication overlap, and it is impossible to flexibly address whether the time periods of Uu air interface communication and SL carrier communication overlap. Selecting different power backoff values makes it impossible to determine the proper configured transmit power.
- the UE determines by the UE according to the resource conditions configured by the network, such as the RB allocation position, the length of continuous RB allocation, and the modulation mode.
- the following formula is an example of the maximum available transmit power of a single carrier during NR V2X transmission on SL, and introduces the existing calculation method of the available maximum transmit power.
- P CMAX_L,f,c MIN ⁇ P EMAX,c – ⁇ T C,c ,P PowerClass ––MAX(MAX(MPR c ,A-MPR c )+ ⁇ T IB,c + ⁇ T C,c ,P- MPR c ), P Regulatory, c ⁇ ,
- P CMAX_H,f,c MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory ⁇ .
- the upper limit is determined by taking the minimum value of the cell-level power P EMAX,c configured by the network, the transmission power level P PowerClass reported by the UE, and the restriction P Regulatory of regulations in some scenarios.
- the lower bound is mainly determined by the transmit power class P PowerClass and the maximum power backoff values MPR c and A-MPR c reported by the UE. Considering the general case, only the MPR c power backoff can be considered here.
- the power fallback value (maximum power reduction, MPR)
- the power back-off value is based on the resource allocation of the physical channel by the terminal equipment, in order to meet specific radio frequency indicators, such as spurious, spectrum mask, adjacent channel leakage ratio (adjacent channel leakage ratio, ACLR), error vector magnitude (error vector magnitude, EVM ) and other indicators, the power backoff is related to the resource block (resource block, RB) resource allocation position in the carrier, the number of RBs, and the modulation method of communication, such as quadrature phase shift keying (quadrature phase shift keying) keying, QPSK), 16 quadrature amplitude modulation (quadrature amplitude modulation, QAM) and so on.
- the UE may also need additional maximum power reduction (additional maximum power reduction), that is, A-MPR.
- FIG. 3 is a schematic flowchart of the method 100 of the present application.
- the first device receives first indication information from a network device, and correspondingly, the network device sends the first indication information to the first device, where the first indication information is used to indicate a first uplink transmission resource.
- the first indication information here may be downlink control information, and may also be indication information of semi-persistent scheduling.
- the first device may be a terminal device, and the first device receives the first indication information through a Uu air interface.
- the terminal device is in a radio resource control (radioresource control, RRC) connection state.
- RRC radio resource control
- the first device determines whether the first uplink transmission resource overlaps with the first sidelink transmission resource in a time domain.
- the first sidelink transmission resource here may be configured by the network device through indication information (for example, mode1 of sidelink transmission), or may also be pre-configured (for example, mode2 of sidelink transmission).
- the UE has already obtained the control information of the first uplink transmission resource when obtaining the control information of the first uplink transmission resource, That is, it may be determined according to the control information of the first uplink transmission resource and the control information of the first sidelink transmission resource that the uplink transmission resource overlaps with the multiple sidelink transmission resources in the time domain.
- the first uplink transmission resource and the first sidelink transmission resource are located in the same frequency band.
- the method 300 may be in a simultaneous working scenario of uplink transmission (Uu air interface communication) and sidelink transmission (PC5 interface communication), such as a con-current operation scenario.
- Uu air interface communication uplink transmission
- PC5 interface communication sidelink transmission
- the first device determines the first available maximum transmission power according to the judgment result (overlapping or non-overlapping) in S102.
- the first device determines a first available maximum transmit power according to a first power backoff value.
- the first available maximum transmit power is the maximum transmit power of the first device when the relevant radio frequency index is met, in other words, when the first uplink transmission resource and the first sidelink transmission resource overlap in the time domain In this case, the sum of available transmit power allocated by the first device on the first uplink transmission resource and the first sidelink transmission resource respectively does not exceed the first available maximum transmit power.
- the first power backoff value here is a power backoff value corresponding to the concurrent mode.
- the first power backoff value is determined according to the first uplink transmission resource and the first sidelink transmission resource.
- the first device preconfigures multiple first mapping relationships or multiple first correspondences, and the multiple mapping relationships or first correspondences may be a mapping relationship between a first power backoff value and a resource configuration situation, where
- the resource configuration of the resource may be, for example, one or more of the following parameters: resource block (resource block, RB) allocation position, continuous RB allocation length, modulation mode, and the like.
- the first device may determine the first power backoff value according to the multiple first mapping relationships or the multiple first correspondence relationships.
- the first mapping relationship or the first corresponding relationship here may be presented in the form of a table, or may also be presented in other ways, which is not limited in this application.
- the first device may first determine the upper bound and the lower bound of the first available maximum transmit power, and then determine the first available maximum transmit power according to the upper bound and the lower bound. As an example, the first device determines the lower bound according to the first power backoff value. As another example, the first device determines the lower bound according to the first power backoff value and the first power level, and the first device determines the lower bound according to the first power level.
- the first power level here may also be determined according to the overlapping transmission resource of the first uplink transmission resource and the first side transmission resource, or the first power level here may also be determined according to the first uplink transmission resource and the first side transmission resource. Transmission resources with overlapping transmission resources are determined in combination with pre-configuration information. For details, refer to the description of Example 1 in the first possible implementation manner of the method 300 .
- the first device determines the transmit power of the first uplink transmission and the transmit power of the first sidelink transmission according to the first available maximum transmit power.
- the sum of the transmit power of the first uplink transmission and the transmit power of the first sidelink transmission does not exceed the first available maximum transmit power
- the first uplink transmission is carried on the first uplink transmission resource
- the first sidelink transmission is carried on the first Sidetracking transfer resources.
- the first device uses the power backoff value corresponding to the concurrent mode to determine the maximum available transmit power, which reduces the Regardless of the overlapping situation, when the above-mentioned resources overlap, still using the respective power backoff values of different transmission resources to determine the available maximum transmission power may lead to the problem that the radio frequency index cannot be met.
- the first device uses the power backoff value corresponding to the concurrent mode to determine the available maximum transmit power, and determines the available maximum transmit power according to the concurrent available maximum transmit power.
- the transmit power of the uplink transmission and the transmit power of the sidelink transmission enable the transmission power in the concurrent mode to meet the corresponding spectrum indicators such as spurs and spectrum templates, improving the quality and success rate of communication.
- the first device determines the appropriate maximum available transmit power in the concurrent mode when the first uplink resource overlaps with the first sidelink resource, which can effectively improve communication quality and communication success rate.
- method 100 may also include:
- the first device may determine the first available maximum transmit power in different ways.
- the resources sent by the corresponding first device may have multiple situations.
- the first device may only send uplink transmission resources, or the first device may only send sidelink transmission resources.
- Manner 1 The first device determines the first available maximum transmit power according to the first power backoff value.
- the first power backoff value here is as described in S103. And how to determine the first available maximum transmit power according to the first power backoff value may also be as described in S103.
- the first device determines the first available maximum transmit power according to the second power backoff value, and the second power backoff value is determined according to the first uplink transmission resource; or, the first device determines the maximum transmit power according to the third power backoff value
- the first available maximum transmit power and the third power backoff value are determined according to the first sidelink transmission resource.
- the first uplink transmission resource and the first sidelink transmission resource do not overlap in the time domain, it can be understood that, within a certain period of time, the first device only sends sidelink transmission or uplink transmission, then when determining the first The available maximum transmit power of a device is to determine the transmit power corresponding to the currently transmitted transmission resource. Before determining the transmit power corresponding to the currently sent transmission, it is necessary to determine the upper bound and/or lower bound of the transmit power.
- the method of determining the first maximum available transmit power is described below taking the first device only sending the first sidelink transmission as an example, and the first device calculates the transmit power corresponding to the sidelink transmission resource according to the third power backoff value
- the lower bound of the maximum available transmit power of the first device or, the first device calculates the lower bound of the transmit power corresponding to the sidelink transmission resource according to the third power backoff value and the third power level, that is, as the lower bound of the transmit power of the first device
- the lower bound of the available maximum transmit power, where the third power level can be determined according to the sidelink transmission resources or determined according to the sidelink transmission resources and pre-configuration information; or, the third power backoff value here can also be
- the first power backoff value that is, the first device calculates the lower bound of the transmit power corresponding to the sidelink transmission resource according to the first power backoff value and the third power level, which is used as the lower bound of the maximum available transmit power of the first device.
- the first device only performs sidelink transmission as an example. The
- the first device uses the power backoff values corresponding to the respective transmissions to determine the respective maximum available transmit powers under the condition that the uplink transmission resources and the sidelink transmission resources do not overlap, and then determines the transmit power of each transmission, reducing the In the scenario where the transmission resources do not overlap in the time domain, the communication quality deteriorates and the communication success rate decreases due to excessive power back-off.
- the first device flexibly determines the appropriate maximum available transmit power under the condition that the first uplink transmission resource and the first sidelink transmission resource do not overlap, which can effectively improve the communication quality of the first device and improve the communication efficiency. Success rate.
- method 100 may also include:
- the first device may determine the first available maximum transmit power in different ways.
- the first device determines the first available maximum transmit power according to the first power backoff value; the first device determines the transmit power of the first uplink transmission or the transmit power of the first sidelink transmission according to the first available maximum transmit power, and the first The transmit power of an uplink transmission or the transmit power of the first sidelink transmission does not exceed the first available maximum transmit power.
- the first device determines the second available maximum transmission power according to the second power backoff value, and the second power backoff value is the power backoff value corresponding to the carrier where the first uplink transmission resource is located; the first device determines the second available maximum transmission power according to the second available The maximum transmit power determines the transmit power of the first uplink transmission, and the transmit power of the first uplink transmission does not exceed the second available maximum transmit power; or, the first device determines the third available maximum transmit power according to the third power backoff value, and the third The power backoff value is the power backoff value corresponding to the carrier where the first sidelink transmission resource is located; the first device determines the transmit power of the first sidelink transmission according to the third maximum available transmit power, and the transmit power of the first sidelink transmission is not The third maximum available transmit power is exceeded.
- the above solution does not use the power back-off value corresponding to the concurrent mode to determine the maximum available transmit power for all situations where there may be time-domain resource overlap, so as to reduce the communication quality deterioration caused by excessive power back-off in non-concurrent scenarios.
- the problem of reduced success rate does not use the power back-off value corresponding to the concurrent mode to determine the maximum available transmit power for all situations where there may be time-domain resource overlap, so as to reduce the communication quality deterioration caused by excessive power back-off in non-concurrent scenarios.
- the first device uses the power back-off value corresponding to each transmission to determine the respective maximum available transmit power, and then determines the transmit power of each transmission, reducing the transmission resources in the time domain.
- excessive power backoff causes poor communication quality and lower communication success rate.
- the first device flexibly determines the appropriate maximum available transmit power under the condition that the first uplink transmission resource and the first sidelink transmission resource do not overlap, which can effectively improve the communication quality of the first device and improve the communication efficiency. Success rate.
- the maximum available transmit power has been determined according to the method in S103, and the sidelink transmission and the uplink transmission respectively The priority of sidelink transmission and uplink transmission can be considered when performing power allocation.
- the method 100 also includes:
- the first device determines that the priority of the first uplink transmission is higher than the priority of the first sidelink transmission; the first device determines the second available maximum transmit power, and the second available maximum transmit power is the maximum value of the first uplink transmission. Transmit power: the first device determines a third maximum available transmit power according to the first available maximum transmit power and the second available maximum transmit power, and the third available maximum transmit power is the maximum transmit power of the first sidelink transmission.
- the first uplink transmission since the first uplink transmission has a higher priority, when power allocation is performed, it is given priority to ensure that the first uplink transmission can use the second available maximum transmit power determined according to the second power backoff value, and then according to the first The third available maximum transmit power is determined by removing the second available maximum transmit power from the available maximum transmit power.
- the first device determines that the priority of the first sidelink transmission is higher than the priority of the first uplink transmission; the first device determines the third available maximum transmit power, and the third available maximum transmit power is the first side The maximum transmit power of uplink transmission; the first device determines the second available maximum transmit power according to the first available maximum transmit power and the third available maximum transmit power, and the second available maximum transmit power is the maximum transmit power of the first uplink transmission.
- the priority of the first sideline transmission is higher, when power allocation is performed, it is given priority to ensure that the first sideline transmission can determine the third available maximum transmit power used by it according to the third power backoff value, and then The second available maximum transmit power is determined according to the power of the first available maximum transmit power excluding the third available maximum transmit power.
- the first uplink transmission resource may also have at least one second sidelink transmission resource other than the first sidelink transmission resource.
- the at least one second sidelink transmission resource, the at least one second uplink transmission resource, the first uplink transmission resource and the first sidelink transmission resource are located in the same frequency band.
- power allocation is performed on different transmission resources according to the priorities of different transmission resources, which can further improve the communication quality and ensure the success rate of the communication.
- the available maximum transmit power has been determined according to the method in S103, and the sidelink transmission and the first sidelink transmission resource respectively Priority of sidelink transmission and uplink transmission may be considered when performing power allocation for uplink transmission.
- method 100 also includes:
- the first device determines the transmit power of the first uplink transmission and the transmit power of the first sidelink transmission according to the first available maximum transmit power, including:
- the first device determines the transmit power of the first uplink transmission, the transmit power of the first uplink transmission is the smaller value of the transmit power of the first uplink transmission and the first available maximum transmit power, and the transmit power of the first uplink transmission is based on the first If two power backoff values are determined, the second power backoff value is the power backoff value corresponding to the carrier where the first uplink transmission resource is located;
- the first device determines the transmit power of the first sidelink transmission according to the first available maximum transmit power and the transmit power of the first uplink transmission.
- the first device determines the transmit power of the first sidelink transmission and the transmit power of the first uplink transmission according to the first available maximum transmit power, including:
- the first device determines the transmit power of the first lateral transmission, where the transmit power of the first lateral transmission is the smaller value of the transmit power of the first lateral transmission and the first available maximum transmit power, and the transmit power of the first lateral transmission
- the power is determined according to a third power backoff value, where the third power backoff value is a power backoff value corresponding to the carrier where the first sidelink transmission resource is located;
- the first device determines the transmit power of the first uplink transmission according to the first available maximum transmit power and the transmit power of the first sidelink transmission.
- the first device may consider priorities among overlapping transmission resources, and preferentially determine transmit power for transmissions with higher priorities, so as to ensure the success rate of high-priority transmissions and further improve communication quality.
- the method 100 also includes:
- the first device receives second indication information from the network device, where the second indication information is used to indicate at least one second uplink transmission resource; the first device determines the first sidelink transmission resource and the at least one second uplink transmission resource overlapping.
- the first sidelink transmission resource overlaps with the first uplink transmission resource and at least one second uplink transmission resource, and the first sidelink transmission resource, the first uplink transmission resource and at least one second uplink transmission resource overlap Among the transmission resources, the first sidelink transmission resource is the longest in the time domain.
- the subcarrier spacing of the uplink transmission resource and the sidelink transmission resource of the first device is different, which will result in the time slot length or the orthogonal frequency division multiplexing ( Orthogonal frequency division multiplexing, OFDM) symbol length is different.
- OFDM Orthogonal frequency division multiplexing
- the longest first sidelink transmission resource in the time domain may be understood as the longest time slot or the longest OFDM symbol occupied by the uplink transmission resource in the time domain.
- the first device determines the first available maximum transmission power according to the first power backoff value, which may specifically include the following steps:
- Step 1 The first device determines at least one fourth available maximum transmit power according to at least one fourth power backoff value.
- the fourth available maximum transmission power is the maximum transmission power of the first sidelink transmission and the second uplink transmission, or the fourth available maximum transmission power is the common maximum transmission power of the first sidelink transmission and the second uplink transmission.
- the sum of the transmission power of the sidelink transmission and the transmission power of the second uplink transmission does not exceed the fourth maximum available transmission power, and the fourth power backoff value is based on the overlapping of the first sidelink transmission resource and the second uplink transmission resource resources are determined.
- the first device may respectively determine the upper bound and the lower bound of the maximum transmit power of the first sidelink transmission and each second uplink transmission, wherein the above determined lower bound of each maximum transmit power is based on each fourth power cycle The return value is determined.
- Step 2 The first device determines the fifth maximum available transmission power according to the first power backoff value, where the fifth maximum available transmission power is the maximum transmission power of the first sidelink transmission and the first uplink transmission.
- the first power backoff value is determined according to a transmission resource overlapping the first uplink transmission resource and the first sidelink transmission resource.
- the first device respectively determines an upper bound and a lower bound of the maximum transmit power of the first sidelink transmission and the first uplink transmission, wherein the above determined lower bound of each maximum transmit power is determined according to each first power backoff value.
- the first device obtains the transmit power corresponding to the overlapping portion of the first uplink transmission resource overlapping the first sidelink transmission resource and at least one second uplink transmission resource.
- Step 3 The first device determines the first available transmit power according to at least one of the fourth available maximum transmit power and the fifth available maximum transmit power.
- the first device determines an upper bound and a lower bound of the first available maximum transmit power according to at least one of the fourth available maximum transmit power and the fifth available maximum transmit power, thereby determining the first available maximum transmit power.
- the first device may use the maximum value of at least one of the fourth available maximum transmit power and the fifth available maximum transmit power as the upper limit of the first available maximum transmit power, and use at least one of the fourth available maximum transmit power and the fifth available maximum transmit power
- the minimum value of the maximum transmit power is used as a lower bound of the first available maximum transmit power, so as to determine the first available maximum transmit power.
- the first device determines the upper bound and the lower bound of the first available maximum transmit power according to at least one of the upper bound and lower bound of the fourth available maximum transmit power and the upper bound and lower bound of the fifth available maximum transmit power, thereby determining The first available maximum transmit power.
- the first device may use the maximum value of the upper bounds of at least one fourth available maximum transmit power and the fifth available maximum transmit power as the upper bound of the first available maximum transmit power, and use at least one of the fourth available maximum transmit power and The minimum value of the fifth available maximum transmit power lower bound is used as the lower limit of the first available maximum transmit power, so as to determine the first available maximum transmit power.
- the first device receives second indication information from a network device, where the second indication information is used to indicate at least one second sidelink transmission resource; the first device determines the first uplink transmission resource and the at least one second sidelink transmission resource Transmission resources overlap.
- the first uplink transmission resource overlaps with the first sidelink transmission resource and at least one second sidelink transmission resource, and the first uplink transmission resource, the first sidelink transmission resource and at least one second sidelink transmission resource overlap.
- the first uplink transmission resource is the longest in the time domain.
- the subcarrier spacing of the sidelink transmission resource and the uplink transmission resource of the first device are different, which will result in the time slot length or the orthogonal frequency division multiplexing ( Orthogonal frequency division multiplexing, OFDM) symbol length is different.
- OFDM Orthogonal frequency division multiplexing
- the longest first uplink transmission resource in the time domain may be understood as the longest time slot occupied by the sidelink transmission resource or the longest OFDM symbol in the time domain.
- the first device determines the first available maximum transmission power according to the first power backoff value, which may specifically include the following steps:
- Step 1 The first device determines at least one fourth available maximum transmit power according to at least one fourth power backoff value.
- the fourth available maximum transmit power is the corresponding maximum transmit power between the first uplink transmission and the second sidelink transmission
- the fourth power backoff value is based on the overlapping of the first uplink transmission resource and the second sidelink transmission resource resources are determined.
- the first device respectively determines an upper bound and a lower bound of the maximum transmit power corresponding between the first uplink transmission resource and each second sidelink transmission resource, wherein the above-mentioned determined lower bound of each maximum transmit power is based on each determined by the fourth power backoff value.
- Step 2 The first device determines the fifth available maximum transmit power according to the first power backoff value, and the fifth available maximum transmit power corresponds to the maximum transmit power between the first uplink transmission resource and the first sidelink transmission resource.
- the first power backoff value is determined according to a transmission resource overlapping the first sidelink transmission resource and the first uplink transmission resource.
- the first device respectively determines the upper bound and the lower bound of the maximum transmit power between the first uplink transmission resource and the first sidelink transmission resource, wherein the above determined lower bound of each maximum transmit power is based on each first power return The return value is determined.
- the first device obtains the transmit power corresponding to the overlapping portion of the first sidelink transmission resource overlapping the first uplink transmission resource and at least one second sidelink transmission resource.
- Step 3 The first device determines the first available transmit power according to at least one of the fourth available maximum transmit power and the fifth available maximum transmit power.
- the first device determines an upper bound and a lower bound of the first available maximum transmit power according to at least one of the fourth available maximum transmit power and the fifth available maximum transmit power, thereby determining the first available maximum transmit power.
- the first device may use the maximum value of at least one of the fourth available maximum transmit power and the fifth available maximum transmit power as the upper limit of the first available maximum transmit power, and use at least one of the fourth available maximum transmit power and the fifth available maximum transmit power
- the minimum value of the maximum transmit power is used as a lower bound of the first available maximum transmit power, so as to determine the first available maximum transmit power.
- the first device determines the upper bound and the lower bound of the first available maximum transmit power according to at least one of the upper bound and lower bound of the fourth available maximum transmit power and the upper bound and lower bound of the fifth available maximum transmit power, thereby determining The first available maximum transmit power.
- the first device may use the maximum value of the upper bounds of at least one fourth available maximum transmit power and the fifth available maximum transmit power as the upper bound of the first available maximum transmit power, and use at least one of the fourth available maximum transmit power and The minimum value of the fifth available maximum transmit power lower bound is used as the lower limit of the first available maximum transmit power, so as to determine the first available maximum transmit power.
- the available maximum transmit power when one uplink transmission resource overlaps with multiple sidelink transmission resources, or when one sidelink transmission resource overlaps with multiple uplink transmission resources, the available maximum transmit power to determine the range of the maximum available transmit power of the first device to determine the maximum available transmit power of the first device, which further expands the scope of application of the method for increasing power in this application, making the determination of the maximum available transmit power more flexible , to further improve the communication quality and the success rate of communication.
- the first device receives second indication information from a network device, where the second indication information is used to indicate a second uplink transmission resource; when the second uplink transmission resource overlaps with the first sidelink transmission resource in the time domain
- the first device determines the fourth available maximum transmission power according to the fourth power backoff value, the fourth power backoff value is the power backoff value corresponding to the concurrent mode, and the fourth power backoff value is based on the second uplink transmission resource and the first sidelink transmission resource; when the fourth available maximum transmit power is greater than the first available maximum transmit power, the first device determines the transmit power of the second uplink transmission according to the first available maximum transmit power, and the second The sum of the transmission power of the uplink transmission and the transmission power of the first sidelink transmission does not exceed the first available maximum transmission power, and the second uplink transmission is carried on the second uplink transmission resource.
- multiple available maximum transmit powers are determined according to the power backoff values determined for the sidelink transmission resources and each uplink transmission resource, and the multiple The minimum value of the available maximum transmit power is determined as the available maximum transmit power of the first device.
- the spurious spectrum index can be guaranteed in multiple time domain resources where one sidelink transmission resource overlaps with multiple uplink transmission resources. Satisfying the requirements can further improve the communication quality.
- the first device determines at least one second sidelink transmission resource; when the second sidelink transmission resource overlaps with the first uplink transmission resource in the time domain, the first device determines the at least one second sidelink transmission resource according to the fifth power backoff value Determine the fifth available maximum transmission power, the fifth power backoff value is the power backoff value corresponding to the concurrent mode, and the fifth power backoff value is determined according to the second sidelink transmission resource and the first uplink transmission resource; 5.
- the first device determines the transmit power of the second sidelink transmission according to the first available maximum transmit power, the transmit power of the second sidelink transmission and the transmit power of the first uplink transmission The sum of the transmit powers does not exceed the first available maximum transmit power, and the second sidelink transmission is carried on the second sidelink transmission resource.
- multiple available maximum transmit powers are determined according to the power backoff values determined for the uplink transmission resources and each sidelink transmission resource, and the multiple The minimum value of the available maximum transmit power is determined as the available maximum transmit power of the first device.
- the spurious spectrum index can be guaranteed in multiple time domain resources where one uplink transmission resource overlaps with multiple sidelink transmission resources. Satisfying the requirements can further improve the communication quality.
- the communication method 200 provided by this application will be introduced below with reference to FIG. 4 .
- the first device receives first indication information from a network device, and correspondingly, the network device sends the first indication information to the first device, where the first indication information is used to indicate a first uplink transmission resource.
- the first indication information here may be downlink control information, and may also be indication information of semi-persistent scheduling.
- the first device may be a terminal device, and the first device receives the first indication information through a Uu air interface.
- the terminal device is in a radio resource control (radioresource control, RRC) connection state.
- RRC radio resource control
- the first device receives second indication information from a network device, and correspondingly, the network device sends the second indication information to the first device, where the first indication information is used to indicate a second uplink transmission resource.
- the first device determines whether the first uplink transmission resource overlaps with the second uplink transmission resource in the time domain.
- the first device determines a first available maximum transmit power according to a first power backoff value.
- the first available maximum transmit power is the maximum transmit power for the first device to send the first uplink transmission and the second uplink transmission, in other words, when the first uplink transmission resource and the second uplink transmission resource are in the time domain
- the sum of the available transmit power allocated by the terminal device on the first uplink transmission resource and the second uplink transmission resource respectively is the first available maximum transmit power.
- the first power backoff value here is a power backoff value corresponding to the concurrent mode.
- the first device preconfigures multiple first mapping relationships or multiple first correspondences, and the multiple mapping relationships or first correspondences may be the resource configuration of the first power backoff value and the above-mentioned overlapping transmission resources
- the mapping relationship of the situation, the resource configuration situation here can be, for example, one or more of the following parameters: resource block (resource block, RB) allocation position, continuous RB allocation length, modulation mode, etc.
- the first device may determine the first power backoff value according to the multiple first mapping relationships or the multiple first correspondence relationships.
- the first device first determines the upper and lower bounds of the first available maximum transmission power, and then determines the first available maximum transmission power according to the upper and lower bounds. power. As an example, the first device determines the lower bound according to the first power backoff value. As another example, the first device determines the lower bound according to the first power backoff value and the first power level, and the first device determines the lower bound according to the first power level.
- the first power level here may also be determined according to the overlapping transmission resources of the first uplink transmission resource and the second uplink transmission resource, or the first power level here may also be determined according to the first uplink transmission resource and the second uplink transmission resource Transmission resources with overlapping resources are determined in combination with pre-configuration information.
- the first device determines whether the first uplink transmission resource and the second uplink transmission resource overlap in the time domain, and further determines the appropriate time domain overlap between the first uplink transmission resource and the second uplink transmission resource Maximum transmit power available.
- the power back-off value corresponding to the concurrent mode is used to determine the maximum available transmit power, which reduces the situation in the prior art that does not consider whether the overlap occurs, resulting in the use of different transmission resources when the above-mentioned resources overlap.
- the power backoff value determines the possible failure to meet RF specifications due to the maximum transmit power available.
- the above solution can effectively improve the communication quality of the first device and increase the success rate of communication by flexibly determining the appropriate maximum available transmit power according to resource overlapping conditions.
- method 200 may also include:
- the first device may determine the first available maximum transmit power in different ways.
- the first device may only send uplink transmissions, or the first device may only send second uplink transmissions, or the first device may also send The second uplink transmission and the uplink transmission may be sent.
- Manner 1 The first device determines the first available maximum transmit power according to the first power backoff value.
- the first power backoff value here is as described in S203. And how to determine the first available maximum transmit power according to the first power backoff value may also be as described in S203.
- the first device determines the first available maximum transmit power according to the second power backoff value, and the second power backoff value is determined according to the first uplink transmission resource; or, the first device determines the maximum transmit power according to the third power backoff value
- the first available maximum transmit power and the third power backoff value are determined according to the second uplink transmission resource.
- the first uplink transmission resource and the second uplink transmission resource do not overlap in the time domain, it can be understood that within a certain period of time, the first device only sends the second uplink transmission or uplink transmission, then when determining the first uplink transmission resource
- the available maximum transmit power of a device is to determine the transmit power corresponding to the current transmission. Before determining the transmit power corresponding to the currently sent transmission, it is necessary to determine the upper bound and/or lower bound of the transmit power.
- the method of determining the first maximum available transmit power is described below by taking the first device only sending the first uplink transmission as an example, and the first device calculates the transmit power corresponding to the second uplink transmission resource according to the second power backoff value The lower bound of the maximum available transmit power of the first device; or, the first device calculates the lower bound of the transmit power corresponding to the second uplink transmission resource according to the second power backoff value and the second power level, that is, as the first The lower bound of the maximum available transmit power of the device, where the second power level available is determined according to the second uplink transmission resource or determined according to the second uplink transmission resource and pre-configuration information; or, the second power backoff value here It may also be the first power backoff value, that is, the first device calculates the lower bound of the transmit power corresponding to the second uplink transmission resource according to the first power backoff value and the second power level, that is, the lower bound of the available maximum transmit power of the first device Nether.
- the first device only sends the second uplink transmission as an
- the power backoff value corresponding to the concurrent mode is not used to determine the maximum available transmit power for all situations where time domain resources may overlap, so as to reduce the occurrence of excessive power backoff in scenarios where time domain resources do not overlap.
- the communication quality becomes worse and the communication success rate decreases. Therefore, the embodiment of the present application can effectively improve the communication quality of the first device and improve the communication success rate by flexibly determining the appropriate maximum available transmit power according to resource overlapping conditions.
- the method of determining the maximum available transmit power by the first device above by overlapping or non-overlapping the first uplink transmission resource and the second uplink transmission resource can also be used in the carrier aggregation scenario, that is, the first uplink transmission resource and the second uplink transmission resource
- the transmission resources are all determined by the indication information of the network equipment.
- FIG. 2 is a schematic flowchart of a method 300 of the present application.
- NR V2X has two working modes on the sidelink, namely mode1 (mode 1) and mode2 (mode 2): mode1 is the base station scheduling method; mode2 is the UE itself selects resources according to the channel monitoring results, in other words, SL The resources are preconfigured.
- mode1 is the base station scheduling method
- mode2 is the UE itself selects resources according to the channel monitoring results, in other words, SL The resources are preconfigured.
- the Uu air interface communication between the UE and the network device may also be in the IDLE (idle) state, the INACTIVE (inactive) state and the CONNECTED (connected) state of the radio resource control (radioresource control, RRC).
- the UE uses mode2 on the sidelink, that is, SL resources are pre-configured.
- the UE determines that the Uu air interface communication is in the connected state, and the UE performs SL transmission in the SL pre-configured resource pool.
- the possible implementation mode- is specifically implemented through the following possible situations.
- Example 1 the UE determines that the uplink transmission resource and the sidelink transmission resource overlap in the time domain.
- the UE determines whether to send uplink transmission and/or sidelink transmission.
- the UE determines to send the sidelink transmission and the uplink transmission.
- the UE determines that the uplink transmission resource and the sidelink transmission resource overlap in time domain.
- the UE determines that the uplink transmission resource and the sidelink transmission resource overlap in the time domain
- the control information of the sidelink transmission resource determines that the uplink transmission resource and the sidelink transmission resource overlap in the time domain.
- the UE determines the available maximum transmit power according to the judgment result.
- this embodiment of the present application may consider using the common maximum power backoff value of uplink transmission resources and sidelink transmission resources to calculate the maximum available transmit power when calculating the lower limit of the available maximum transmit power. transmit power.
- the UE when calculating the maximum available transmit power, the UE first calculates the upper bound and the lower bound of the maximum available transmit power, wherein the UE calculates the lower bound according to the maximum power fallback value, where the maximum power fallback value may be MAX(MPR con -current , A-MPR con-current ), or, it can also be MPR con-current , MPR con-current and A-MPR con-current can be determined by the UE according to the resource conditions configured by the network, and it uses SL with the UE
- the power backoff value during single carrier transmission and the power backoff value when the UE uses Uu single carrier transmission are determined in different ways.
- the following describes specific implementations of determining the available maximum transmit power according to the fact that the uplink transmission resource and the sidelink transmission resource have the same subcarrier spacing or different subcarrier spacing.
- the subcarriers are equally spaced:
- P CMAX_L MIN ⁇ 10log 10 ⁇ p EMAX,c - ⁇ T C ,P PowerClass,con-current –MAX(MAX(MPR con-current ,A-MPR con-current )+ ⁇ T IB,c + ⁇ T C ,P- MPR) ⁇ ;
- P CMAX_H MIN ⁇ 10log 10 ⁇ p EMAX,c ,P PowerClass,con-current ⁇ .
- p EMAX,c is the linear value of P EMAX,c , which is given by IE P-Max of Uu serving cell c or IE slmaxTxPower of SL;
- P PowerClass, con-current is the power level when Uu and SL work simultaneously The corresponding maximum UE power can be predefined;
- ⁇ T IB,c is the maximum allowable configured output power relaxation, which can be referred to in Section 6.2.4 of 3GPP TS 38.101-1.
- P-MPR is used by UE for power management
- ⁇ T C,c is the allowed relaxation of transmission power at the edge of the working frequency band of serving cell c
- ⁇ T C is the highest value among ⁇ T C,c of all serving cells c.
- the subcarriers are spaced differently:
- P CMAX,c(i),i (p) is the available maximum output power corresponding to time slot p of serving cell c(i) using subcarrier spacing type i, where subcarrier spacing type i can be 15kHz, 30kHz or 60kHz.
- PCMAX_L, f, c(i), i (p) and PCMAX_H, f, c(i), i (p) can refer to section 6.2E or section 6.2.4 in GPP TS 38.101-1 for details.
- P CMAX_L (p,q) MIN ⁇ 10log 10 [p CMAX_L,f,c(i),Uu,i (p)+p CMAX_L,f,c(i),V2X,j (q)],P PowerClass ,con-current ⁇
- P CMAX_H (p,q) MIN ⁇ 10log 10 [p CMAX_H,f,c(i),Uu,i (p)+p CMAX_H,f,c(i),V2X,j (q)],P PowerClass ,con-current ⁇
- P PowerClass, con-current is the maximum UE power corresponding to the power class when Uu and SL work simultaneously, and may be predefined.
- Example 2 the UE determines that the uplink transmission resource and the sidelink transmission resource do not overlap in time domain.
- the UE determines whether to send uplink transmission and/or sidelink transmission.
- the UE determines to send the sidelink transmission and the uplink transmission.
- the UE determines that the uplink transmission resource and the sidelink transmission resource do not overlap in time domain.
- the UE determines the available maximum transmit power according to the judgment result.
- the UE determines the corresponding transmit power according to the corresponding transmission resources according to the transmission sent by the UE in each time domain, which is the maximum available transmit power of the UE. For example, within a certain period of time, or within a certain time domain resource, if the UE only sends uplink transmission, the UE determines the lower bound of the transmit power corresponding to the uplink transmission resource according to the second power backoff value corresponding to the uplink transmission resource , and then determine the lower bound of the transmit power corresponding to the uplink transmission resource, so as to determine the transmit power corresponding to the uplink transmission resource, which is the maximum available transmit power of the UE.
- the second power backoff value corresponding to the resource determines the lower bound of the transmit power corresponding to the sidelink transmission resource, and then determines the lower bound of the transmit power corresponding to the sidelink transmission resource, so as to determine the transmit power corresponding to the sidelink transmission resource, which is the UE’s available Maximum transmit power.
- the maximum available transmit power of the UE is the transmit power corresponding to the sidelink transmission resource.
- P CMAX_L,c,SL MIN ⁇ P EMAX,c – ⁇ T C,c ,P PowerClass ––MAX(MAX(MPR c ,A-MPR c )+ ⁇ T IB,c + ⁇ T C,c ,P- MPR c ), P Regulatory, c ⁇ ,
- P CMAX_H,c,SL MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory ⁇ .
- the upper bound P CMAX_H,c, SL is determined by taking the minimum value of the cell-level power P EMAX,c configured by the network, the transmit power level P PowerClass reported by the UE, and the regulatory limit P Regulatory in some scenarios.
- P CMAX_H,c, the lower bound of SL is mainly determined by the transmission power level P PowerClass reported by the UE and the maximum power backoff values MPR c and A-MPR c . Considering the general case, only the MPR c power backoff can be considered here. In other words, the UE determines the lower bound according to MAX(MPR c , A-MPR c ) corresponding to the sidelink transmission.
- MAX(MPR c , A-MPR c ) can also be replaced by MPR c .
- MPR c can refer to Table 1.
- Table 1 shows the MPR at power level 3.
- QAM is quadrature amplitude modulation
- QPSK is quadrature phase shift keying
- CP-OFDM is cyclic prefix orthogonal frequency division multiplexing.
- the maximum available transmit power of the UE is the transmit power corresponding to the uplink transmission resource.
- P CMAX_H,c,Uu MIN ⁇ P EMAX,c ,P PowerClass - ⁇ P PowerClass ⁇ .
- the upper bound P CMAX_H,c, Uu is determined by taking the minimum value of the cell-level power P EMAX,c configured by the network and the transmit power class P PowerClass reported by the UE.
- the lower bounds of P CMAX_H,c and Uu are mainly determined by the transmission power class P PowerClass reported by the UE and the maximum power backoff values MPR c and A-MPR c . Considering the general case, only the MPR c power backoff can be considered here.
- the UE determines the lower bound according to MAX(MPR c + ⁇ MPR c , A ⁇ MPR c ) corresponding to the uplink transmission.
- MAX(MPR c + ⁇ MPR c , A-MPR c ) can also be replaced by MPR c .
- MPR c can refer to Table 2.
- Table 2 shows the MPR at power level 2.
- QAM is quadrature amplitude modulation
- QPSK is quadrature phase shift keying
- CP-OFDM is cyclic prefix orthogonal frequency division multiplexing.
- the UE when the UE sends uplink transmission and sidelink transmission, by determining whether the uplink transmission resource and the sidelink transmission resource overlap in the time domain, and further according to the time domain of the uplink transmission resource and the sidelink transmission resource determine the appropriate maximum transmit power available.
- the power back-off value corresponding to the concurrent mode is used to determine the maximum available transmit power, which reduces the situation in the prior art that does not consider whether the overlap occurs, resulting in the use of different transmission resources when the above-mentioned resources overlap.
- the power fallback value calculation may cause the problem that the radio frequency index cannot be met due to the maximum available transmit power.
- the embodiment of the present application can effectively improve the communication quality of the terminal device and improve the success rate of communication by flexibly determining the appropriate maximum available transmit power according to resource overlapping conditions.
- Example 3 On the basis of Example 1, the UE further determines the allocation of available maximum transmit power on the sidelink transmission resource and the uplink transmission resource according to the priorities of the sidelink transmission and the uplink transmission.
- the UE determines the maximum available transmit power according to the implementation of Example 1. For example, the priority of the sidelink transmission is higher than that of the uplink transmission, and the UE can first calculate the power backoff value of the sidelink transmission Transmit power, use the maximum available transmit power except the transmit power for sidelink transmission for uplink transmission.
- the lower bound of the transmission power allocated by the UE to the sidelink transmission can be calculated according to the power backoff value corresponding to the sidelink transmission, and the calculation method of the transmission power of the sidelink transmission can refer to the calculation method in Example 2.
- the UE determines the available maximum transmit power according to the implementation of Example 1, for example, the priority of uplink transmission is higher than that of sidelink transmission, and the UE can first calculate the maximum transmission power of uplink transmission according to the power backoff value corresponding to uplink transmission. Transmit power, use the maximum available transmit power except the transmit power for uplink transmission for sidelink transmission.
- the lower bound of the transmission power allocated by the UE to the uplink transmission may be calculated according to the power backoff value corresponding to the uplink transmission, and the calculation of the transmission power of the uplink transmission may refer to the calculation method in Example 2.
- power allocation is performed on different transmission resources according to the priorities of different transmission resources, which can further improve the communication quality and ensure the success rate of the communication.
- the UE does not judge or cannot judge whether the uplink transmission resource and the sidelink transmission resource overlap in the time domain.
- Example 4 the UE determines whether to send uplink transmission and/or sidelink transmission.
- the UE determines to send the sidelink transmission and the uplink transmission.
- the UE determines the available maximum transmit power according to the judgment result.
- the fallback value may be MAX(MPR con-current , A-MPR con-current ), or MPR con-current , and the specific determination process may refer to S302 in Example 1 of the above possible case 1.
- the sidelink transmission resource, the uplink transmission resource, and the overlapping resources of the sidelink transmission resource and the last transmission resource correspond to three different tables respectively.
- the mapping relationship between the power backoff value and the resource conditions configured by the network may be indicated in the table.
- the power backoff value corresponding to the concurrent mode is used to determine the maximum available transmit power, which reduces the need for existing technologies. Due to the fact that overlapping is not considered, when the above-mentioned resources overlap, still using the respective power back-off values of different transmission resources to calculate the available maximum transmission power may cause the problem that the radio frequency index cannot be met.
- the embodiment of the present application can flexibly determine the appropriate maximum available transmit power, effectively improve the quality of the terminal equipment, and increase the success rate of communication.
- the second possible implementation manner is that the UE determines that the Uu air interface communication is in an idle state, and the UE performs SL transmission in the SL pre-configured resource pool.
- the UE determines whether to send uplink transmission and/or sidelink transmission.
- the UE determines to send only the sidelink transmission.
- the UE determines the available maximum transmit power according to the judgment result.
- the UE first determines the upper bound and the lower bound of the maximum available transmit power, wherein the lower bound is determined according to MAX(MPR c , A-MPR c ) corresponding to the sidelink transmission.
- MAX(MPR c , A-MPR c ) can also be replaced by MPR c .
- P CMAX_L,c,SL MIN ⁇ P EMAX,c – ⁇ T C,c ,P PowerClass ––MAX(MAX(MPR c ,A-MPR c )+ ⁇ T IB,c + ⁇ T C,c ,P- MPR c ), P Regulatory, c ⁇ ,
- P CMAX_H,c,SL MIN ⁇ P EMAX,c ,P PowerClass ,P Regulatory ⁇ .
- the upper bound P CMAX_H,c, SL is determined by taking the minimum value of the cell-level power P EMAX,c configured by the network, the transmit power level P PowerClass reported by the UE, and the regulatory limit P Regulatory in some scenarios.
- P CMAX_H,c, the lower bound of SL is mainly determined by the transmission power level P PowerClass reported by the UE and the maximum power backoff values MPR c and A-MPR c . Considering the general case, only the MPR c power backoff can be considered here. In other words, the UE determines the lower bound according to MAX(MPR c , A-MPR c ) corresponding to the sidelink transmission.
- MAX(MPR c , A-MPR c ) can also be replaced by MPR c .
- MPR c can refer to Table 1.
- Table 1 shows the MPR at power level 3.
- QAM is quadrature amplitude modulation
- QPSK is quadrature phase shift keying
- CP-OFDM is cyclic prefix orthogonal frequency division multiplexing.
- a third possible implementation manner is that the UE determines that the Uu air interface communication is in an inactive state.
- the second possible manner can be divided into two possible situations according to whether the UE supports PUSCH transmission.
- the UE determines whether to send uplink transmission and/or sidelink transmission.
- the UE determines to send only the sidelink transmission.
- the UE determines the available maximum transmit power according to the judgment result.
- the UE determines whether to send uplink transmission and/or sidelink transmission.
- the UE determines that uplink transmission and sidelink transmission can be sent.
- the UE determines the available maximum transmit power according to the judgment result.
- Example 5 the UE may determine that the uplink transmission resource and the sidelink transmission resource overlap in the time domain.
- Example 6 the UE may determine that the uplink transmission resource and the sidelink transmission resource do not overlap in time domain.
- Example 7 the UE does not judge or cannot judge whether the uplink transmission resource and the sidelink transmission resource overlap in the time domain.
- the UE uses mode1 on the sidelink, that is, SL resources are configured by network equipment.
- the RRC of the UE is in the connected state, and for specific implementation, please refer to Possible Implementation Mode 1 in Configuration Situation 1 of Sidelink Transmission Resources.
- the maximum available transmit power of the UE is flexibly determined according to whether the UE sends uplink transmission and/or sidelink transmission, and further, when the UE sends uplink transmission and sidelink transmission, according to the uplink transmission and sidelink transmission Whether or not to overlap in the time domain flexibly determines the maximum available transmit power of the UE, which can effectively improve the communication quality of the terminal equipment and improve the success rate of communication.
- the method 400 for determining power provided by the present application is introduced below with reference to FIG. 6 .
- the UE determines that the uplink transmission resource overlaps with multiple sidelink transmission resources.
- the UE determines that the uplink transmission resources overlap with multiple sidelink transmission resources in the time domain
- the UE has already obtained the control information of the multiple sidelink transmission resources when obtaining the control information of the uplink transmission resources, that is, it can
- the control information of the resource and the control information of the plurality of sidelink transmission resources determine that the uplink transmission resource and the plurality of sidelink transmission resources overlap in the time domain.
- the UE respectively determines the available maximum transmit power corresponding to the uplink transmission resource and the multiple sidelink transmission resources.
- the UE may respectively determine multiple available maximum transmit powers according to the method described in Example 1 of Possible Case 1 in Possible Implementation Mode 1 in method 300 .
- the length of the uplink transmission resource is the longest, and the multiple sidelink transmission resources overlap with the uplink transmission resource in different time domains respectively.
- the UE determines the available maximum transmit power according to the available maximum transmit power corresponding to the uplink transmission resource and the multiple sidelink transmission resources.
- an upper bound PCMAX_H and a lower bound PCMAX_L of the maximum available transmit power of the UE are determined according to the multiple available maximum transmit powers, so that the range of the available maximum transmit power can be determined.
- PCMAX_H may be the maximum value among the multiple available maximum transmit powers
- PCMAX_L may be the minimum value among the multiple available maximum transmit powers.
- the UE determines that the sidelink transmission resource overlaps with multiple uplink transmission resources.
- the UE respectively determines the available maximum transmit power corresponding to the sidelink transmission resource and the multiple uplink transmission resources.
- the UE determines the available maximum transmit power according to the available maximum transmit power corresponding to the sidelink transmission resource and the multiple uplink transmission resources.
- the available maximum transmit Power to determine the range of the maximum available transmit power of the UE to determine the maximum available transmit power of the UE, which further expands the application range of the method for increasing power in this application, making the determination of the maximum available transmit power more flexible, and further improving communication Quality, improve the success rate of communication.
- Fig. 7 is a schematic block diagram of a communication device provided by an embodiment of the present application.
- the communication device 10 may include a transceiver module 11 and a processing module 12 .
- the transceiver module 11 can be used for receiving information sent by other devices, and can also be used for sending information to other devices. For example, receiving the first number or sending PUSCH.
- the processing module 12 may be used to perform content processing of the device, eg, determine the number of time units included in the time window.
- the communication device 10 may correspond to the terminal device in the foregoing method embodiments.
- the communication device 10 may correspond to the first device or UE in any one of the methods 100 to 400 according to the embodiments of the present application, and the communication device 10 may include The modules of the operations performed, and each unit in the communication device 10 is respectively for implementing the operations performed by the first device in the corresponding method.
- the transceiver module 11 is configured to execute step S101
- the processing module 12 is configured to execute S102, S103, and S104.
- the transceiving module 11 is used to perform steps S201 and S202
- the processing module 12 is used to perform steps S203 and S204.
- the processing module 12 is configured to execute S301 and S302.
- the processing module 12 is configured to execute S401a-S403a, S401b-402b.
- FIG. 8 is a schematic diagram of a communication device 20 provided by an embodiment of the present application.
- the device 20 may be a terminal device including various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, and various forms of A terminal, mobile station, terminal, user equipment, soft terminal, etc. may also be a chip or a chip system on a terminal device.
- the device 20 may include a processor 21 (ie, an example of a processing module) and a memory 22 .
- the memory 22 is used to store instructions
- the processor 21 is used to execute the instructions stored in the memory 22, so that the device 20 realizes the execution of the equipment in the above-mentioned various possible designs in the corresponding methods as shown in Fig. 3 to Fig. 6 step.
- the device 20 may also include an input port 23 (ie, an example of a transceiver module) and an output port 24 (ie, another example of a transceiver module).
- the processor 21 , the memory 22 , the input port 23 and the output port 24 can communicate with each other through internal connection paths, and transmit control and/or data signals.
- the memory 22 is used to store a computer program, and the processor 21 can be used to call and run the computer program from the memory 22, to control the input port 23 to receive signals, and to control the output port 24 to send signals, so as to complete the terminal equipment or Steps of the radio access network device or UE or base station.
- the memory 22 can be integrated in the processor 21 or can be set separately from the processor 21 .
- the input port 23 is a receiver
- the output port 24 is a transmitter.
- the receiver and the transmitter may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as transceivers.
- the input port 23 is an input interface
- the output port 24 is an output interface
- the functions of the input port 23 and the output port 34 may be realized by a transceiver circuit or a dedicated chip for transceiver.
- the processor 21 may be realized by a dedicated processing chip, a processing circuit, a processor or a general-purpose chip.
- a general-purpose computer to implement the device provided in the embodiment of the present application.
- the program codes to realize the functions of the processor 21 , the input port 23 and the output port 24 are stored in the memory 22 , and the general processor realizes the functions of the processor 21 , the input port 23 and the output port 24 by executing the codes in the memory 22 .
- each module or unit in the apparatus 20 can be used to execute each action or process performed by the device (for example, terminal device) performing random access in the above method, and here, in order to avoid redundant description, its detailed description is omitted.
- the processor may be a central processing unit (CPU, central processing unit), and the processor may also be other general-purpose processors, digital signal processors (DSP, digital signal processor), dedicated integrated Circuit (application specific integrated circuit, ASIC), off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
- DSP digital signal processor
- ASIC application specific integrated circuit
- FPGA off-the-shelf programmable gate array
- a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
- the embodiment of the present application also provides a computer-readable storage medium, on which computer instructions for implementing the method executed by the first device or the UE in the foregoing method embodiments are stored.
- the computer program when executed by a computer, the computer can implement the method executed by the first device or UE in the foregoing method embodiments.
- the embodiment of the present application further provides a computer-readable storage medium, on which computer instructions for implementing the method executed by the first device or the UE in the foregoing method embodiments are stored.
- the computer program when executed by a computer, the computer can implement the method executed by the first device or UE in the foregoing method embodiments.
- the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
- the non-volatile memory can be read-only memory (read-only memory, ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically programmable Erases programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
- Volatile memory can be random access memory (RAM), which acts as external cache memory.
- RAM random access memory
- SRAM static random access memory
- DRAM dynamic random access memory
- SDRAM synchronous dynamic random access memory
- Double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
- enhanced SDRAM enhanced synchronous dynamic random access memory
- SLDRAM synchronous connection dynamic random access memory
- direct rambus RAM direct rambus RAM
- the above-mentioned embodiments may be implemented in whole or in part by software, hardware, firmware or other arbitrary combinations.
- the above-described embodiments may be implemented in whole or in part in the form of computer program products.
- the computer program product comprises one or more computer instructions or computer programs.
- the processes or functions according to the embodiments of the present application will be generated in whole or in part.
- the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
- the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as infrared, wireless, microwave, etc.).
- the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center that includes one or more sets of available media.
- the available media may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, DVD), or semiconductor media.
- the semiconductor medium may be a solid state drive.
- sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, and should not be used in the embodiments of the present application.
- the implementation process constitutes any limitation.
- the disclosed systems, devices and methods may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
- the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
- the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
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Abstract
Description
Claims (30)
- 一种通信方法,其特征在于,包括:第一装置接收来自网络设备的第一指示信息,所述第一指示信息用于指示第一上行传输资源;所述第一装置确定所述第一上行传输资源与第一侧行传输资源在时域上是否重叠;在所述第一上行传输资源与所述第一侧行传输资源在时域上重叠的情况下,所述第一装置根据第一功率回退值确定第一可用最大发射功率,所述第一功率回退值为并发模式对应的功率回退值;所述第一装置根据所述第一可用最大发射功率确定第一上行传输的发射功率和第一侧行传输的发射功率,所述第一上行传输的发射功率和所述第一侧行传输的发射功率之和不超过所述第一可用最大发射功率,所述第一上行传输承载于所述第一上行传输资源,所述第一侧行传输承载于所述第一侧行传输资源。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:在所述第一上行传输资源与所述第一侧行传输资源在时域上不重叠的情况下,所述第一装置根据所述第一功率回退值确定所述第一可用最大发射功率;所述第一装置根据所述第一可用最大发射功率确定所述第一上行传输的发射功率或所述第一侧行传输的发射功率,所述第一上行传输的发射功率或所述第一侧行传输的发射功率不超过所述第一可用最大发射功率。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:在所述第一上行传输资源与所述第一侧行传输资源在时域上不重叠的情况下,所述第一装置根据第二功率回退值确定第二可用最大发射功率,所述第二功率回退值为所述第一上行传输资源所在的载波对应的功率回退值;所述第一装置根据所述第二可用最大发射功率确定所述第一上行传输的发射功率,所述第一上行传输的发射功率不超过所述第二可用最大发射功率;或者,所述第一装置根据第三功率回退值确定第三可用最大发射功率,所述第三功率回退值为所述第一侧行传输资源所在的载波对应的功率回退值;所述第一装置根据所述第三可用最大发射功率确定所述第一侧行传输的发射功率,所述第一侧行传输的发射功率不超过所述第三可用最大发射功率。
- 根据权利要求1所述的方法,其特征在于,在所述第一上行传输资源与所述第一侧行传输资源在时域上重叠,且所述第一上行传输的优先级高于所述第一侧行传输的优先级的情况下,所述第一装置根据所述第一可用最大发射功率确定第一上行传输的发射功率和第一侧行传输的发射功率,包括:所述第一装置确定所述第一上行传输的发射功率,所述第一上行传输的发射功率为第一上行传输的发射功率与所述第一可用最大发射功率中的较小值,所述第一上行传输的发射功率是根据第二功率回退值确定的,所述第二功率回退值为所述第一上行传输资源所在的载波对应的功率回退值;所述第一装置根据所述第一可用最大发射功率和所述第一上行传输的发射功率确定所述第一侧行传输的发射功率。
- 根据权利要求1所述的方法,其特征在于,在所述第一上行传输资源与所述第一侧行传输资源在时域上重叠,且所述第一侧行传输的优先级高于所述第一上行传输的优先级的情况下,所述第一装置根据所述第一可用最大发射功率确定第一侧行传输的发射功率和第一上行传输的发射功率,包括:所述第一装置确定所述第一侧行传输的发射功率,所述第一侧行传输的发射功率为第一侧行传输的发射功率与所述第一可用最大发射功率中的较小值,所述第一侧行传输的发射功率是根据第三功率回退值确定的,所述第三功率回退值为所述第一侧行传输资源所在的载波对应的功率回退值;所述第一装置根据所述第一可用最大发射功率和所述第一侧行传输的发射功率确定所述第一上行传输的发射功率。
- 根据权利要求1所述的方法,其特征在于,所述第一功率回退值是根据所述第一上行传输资源与所述第一侧行传输资源确定的。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:所述第一装置接收来自所述网络设备的第二指示信息,所述第二指示信息用于指示第二上行传输资源;在所述第二上行传输资源与所述第一侧行传输资源在时域上重叠的情况下,所述第一装置根据第四功率回退值确定第四可用最大发射功率,所述第四功率回退值为并发模式对应的功率回退值,且所述第四功率回退值是根据所述第二上行传输资源与所述第一侧行传输资源确定的;在所述第四可用最大发射功率大于所述第一可用最大发射功率的情况下,所述第一装置根据所述第一可用最大发射功率确定所述第二上行传输的发射功率,所述第二上行传输的发射功率和所述第一侧行传输的发射功率之和不超过所述第一可用最大发射功率,所述第二上行传输承载于所述第二上行传输资源。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:所述第一装置确定至少一个第二侧行传输资源;在所述第二侧行传输资源与所述第一上行传输资源在时域上重叠的情况下,所述第一装置根据第五功率回退值确定第五可用最大发射功率,所述第五功率回退值为并发模式对应的功率回退值,且所述第五功率回退值是根据所述第二侧行传输资源与所述第一上行传输资源确定的;在所述第五可用最大发射功率大于所述第一可用最大发射功率的情况下,所述第一装置根据所述第一可用最大发射功率确定所述第二侧行传输的发射功率,所述第二侧行传输的发射功率和所述第一上行传输的发射功率之和不超过所述第一可用最大发射功率,所述第二侧行传输承载于所述第二侧行传输资源。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述第一上行传输资源和所述第一侧行传输资源位于同一频段。
- 一种通信方法,其特征在于,包括:第一装置接收来自网络设备的第一指示信息,所述第一指示信息用于指示第一上行传输资源;所述第一装置接收来自网络设备的第二指示信息,所述第二指示信息用于指示第二上行传输资源;所述第一装置确定所述第一上行传输资源与所述第二上行传输资源在时域上是否重叠;在所述第一上行传输资源与所述第二上行传输资源在时域上重叠的情况下,所述第一功率回退值为并发模式对应的功率回退值;所述第一装置根据所述第一可用最大发射功率确定第一上行传输的发射功率和第二上行传输的发射功率,所述第一上行传输的发射功率和所述第二上行传输的发射功率之和不超过所述第一可用最大发射功率,所述第一上行传输承载于所述第一上行传输资源,所述第二上行传输承载于所述第二上行传输资源。
- 根据权利要求10所述的方法,其特征在于,所述方法还包括:在所述第一上行传输资源与所述第二上行传输资源在时域上不重叠的情况下,所述第一装置根据所述第一功率回退值确定所述第一可用最大发射功率;所述第一装置根据所述第一可用最大发射功率确定所述第一上行传输的发射功率或所述第二上行传输的发射功率,所述第一上行传输的发射功率或所述第二上行传输的发射功率不超过所述第一可用最大发射功率。
- 根据权利要求10所述的方法,其特征在于,所述方法还包括:在所述第一上行传输资源与所述第二上行传输资源在时域上不重叠的情况下,所述第一装置根据第二功率回退值确定第二可用最大发射功率,所述第二功率回退值为所述第一上行传输资源所在的载波对应的功率回退值;所述第一装置根据所述第二可用最大发射功率确定所述第一上行传输的发射功率,所述第一上行传输的发射功率不超过所述第二可用最大发射功率;或者,所述第一装置根据第三功率回退值确定第三可用最大发射功率,所述第三功率回退值为所述第二上行传输资源所在的载波对应的功率回退值;所述第一装置根据所述第三可用最大发射功率确定所述第二上行传输的发射功率,所述第二上行传输的发射功率不超过所述第三可用最大发射功率。
- 一种通信方法,其特征在于,包括:第一装置接收来自网络设备的第一指示信息,所述第一指示信息用于指示上行传输资源;所述第一装置确定侧行传输资源;所述第一装置根据第一功率回退值确定第一可用最大发射功率,所述第一功率回退值为并发模式对应的功率回退值;所述第一装置根据所述第一可用最大发射功率确定上行传输的发射功率和侧行传输的发射功率,所述上行传输的发射功率和所述侧行传输的发射功率之和不超过所述第一可用最大发射功率,所述上行传输承载于所述上行传输资源,所述侧行传输承载于所述侧行传输资源。
- 一种通信装置,其特征在于,包括:收发模块,用于接收来自网络设备的第一指示信息,所述第一指示信息用于指示第一上行传输资源;处理模块,用于确定所述第一上行传输资源与第一侧行传输资源在时域上是否重叠;在所述第一上行传输资源与所述第一侧行传输资源在时域上重叠的情况下,所述处理模块,还用于根据第一功率回退值确定第一可用最大发射功率,所述第一功率回退值为并发模式对应的功率回退值;所述处理模块,还用于根据所述第一可用最大发射功率确定第一上行传输的发射功率和第一侧行传输的发射功率,所述第一上行传输的发射功率和所述第一侧行传输的发射功率之和不超过所述第一可用最大发射功率,所述第一上行传输承载于所述第一上行传输资源,所述第一侧行传输承载于所述第一侧行传输资源。
- 根据权利要求14所述的装置,其特征在于,在所述第一上行传输资源与所述第一侧行传输资源在时域上不重叠的情况下,所述处理模块,还用于根据所述第一功率回退值确定所述第一可用最大发射功率;所述处理模块,还用于根据所述第一可用最大发射功率确定所述第一上行传输的发射功率或所述第一侧行传输的发射功率,所述第一上行传输的发射功率或所述第一侧行传输的发射功率不超过所述第一可用最大发射功率。
- 根据权利要求14所述的装置,其特征在于,所述处理模块,还用于根据第二功率回退值确定第二可用最大发射功率,所述第二功率回退值为所述第一上行传输资源所在的载波对应的功率回退值;所述处理模块,还用于根据所述第二可用最大发射功率确定所述第一上行传输的发射功率,所述第一上行传输的发射功率不超过所述第二可用最大发射功率;或者,所述处理模块,还用于根据第三功率回退值确定第三可用最大发射功率,所述第三功率回退值为所述第一侧行传输资源所在的载波对应的功率回退值;所述处理模块,还用于根据所述第三可用最大发射功率确定所述第一侧行传输的发射功率,所述第一侧行传输的发射功率不超过所述第三可用最大发射功率。
- 根据权利要求14所述的装置,其特征在于,在所述第一上行传输资源与所述第一侧行传输资源在时域上重叠,且所述第一上行传输的优先级高于所述第一侧行传输的优先级的情况下,所述处理模块,具体用于确定所述第一上行传输的发射功率,所述第一上行传输的发射功率为第一上行传输的发射功率与所述第一可用最大发射功率中的较小值,所述第一上行传输的发射功率是根据第二功率回退值确定的,所述第二功率回退值为所述第一上行传输资源所在的载波对应的功率回退值;所述处理模块,具体用于根据所述第一可用最大发射功率和所述第一上行传输的发射功率确定所述第一侧行传输的发射功率。
- 根据权利要求14所述的装置,其特征在于,在所述第一上行传输资源与所述第一侧行传输资源在时域上重叠,且所述第一侧行传输的优先级高于所述第一上行传输的优先级的情况下,所述处理模块,具体用于确定所述第一侧行传输的发射功率,所述第一侧行传输的发射功率为第一侧行传输的发射功率与所述第一可用最大发射功率中的较小值,所述第一侧 行传输的发射功率是根据第三功率回退值确定的,所述第三功率回退值为所述第一侧行传输资源所在的载波对应的功率回退值;所述处理模块,具体用于根据所述第一可用最大发射功率和所述第一侧行传输的发射功率确定所述第一上行传输的发射功率。
- 根据权利要求14所述的装置,其特征在于,所述第一功率回退值是根据所述第一上行传输资源与所述第一侧行传输资源确定的。
- 根据权利要求14所述的装置,其特征在于,所述收发模块,还用于接收来自所述网络设备的第二指示信息,所述第二指示信息用于指示第二上行传输资源;在所述第二上行传输资源与所述第一侧行传输资源在时域上重叠的情况下,所述处理模块,还用于根据第四功率回退值确定第四可用最大发射功率,所述第四功率回退值为并发模式对应的功率回退值,且所述第四功率回退值是根据所述第二上行传输资源与所述第一侧行传输资源确定的;在所述第四可用最大发射功率大于所述第一可用最大发射功率的情况下,所述处理模块,还用于根据所述第一可用最大发射功率确定所述第二上行传输的发射功率,所述第二上行传输的发射功率和所述第一侧行传输的发射功率之和不超过所述第一可用最大发射功率,所述第二上行传输承载于所述第二上行传输资源。
- 根据权利要求14所述的装置,其特征在于,所述第一装置确定至少一个第二侧行传输资源;在所述第二侧行传输资源与所述第一上行传输资源在时域上重叠的情况下,所述处理模块,还用于根据第五功率回退值确定第五可用最大发射功率,所述第五功率回退值为并发模式对应的功率回退值,且所述第五功率回退值是根据所述第二侧行传输资源与所述第一上行传输资源确定的;在所述第五可用最大发射功率大于所述第一可用最大发射功率的情况下,所述处理模块,还用于根据所述第一可用最大发射功率确定所述第二侧行传输的发射功率,所述第二侧行传输的发射功率和所述第一上行传输的发射功率之和不超过所述第一可用最大发射功率,所述第二侧行传输承载于所述第二侧行传输资源。
- 根据权利要求14至21中任一项所述的装置,其特征在于,所述第一上行传输资源和所述第一侧行传输资源位于同一频段。
- 一种通信装置,其特征在于,包括:收发模块,用于接收来自网络设备的第一指示信息,所述第一指示信息用于指示第一上行传输资源;所述收发模块,还用于接收来自网络设备的第二指示信息,所述第二指示信息用于指示第二上行传输资源;所述处理模块,用于确定所述第一上行传输资源与所述第二上行传输资源在时域上是否重叠;在所述第一上行传输资源与所述第二上行传输资源在时域上重叠的情况下,所述第一功率回退值为并发模式对应的功率回退值;所述处理模块,还用于根据所述第一可用最大发射功率确定第一上行传输的发射功率 和第二上行传输的发射功率,所述第一上行传输的发射功率和所述第二上行传输的发射功率之和不超过所述第一可用最大发射功率,所述第一上行传输承载于所述第一上行传输资源,所述第二上行传输承载于所述第二上行传输资源。
- 根据权利要求23所述的装置,其特征在于,在所述第一上行传输资源与所述第二上行传输资源在时域上不重叠的情况下,所述处理模块,还用于根据所述第一功率回退值确定所述第一可用最大发射功率;所述处理模块,还用于根据所述第一可用最大发射功率确定所述第一上行传输的发射功率或所述第二上行传输的发射功率,所述第一上行传输的发射功率或所述第二上行传输的发射功率不超过所述第一可用最大发射功率。
- 根据权利要求23所述的装置,其特征在于,在所述第一上行传输资源与所述第二上行传输资源在时域上不重叠的情况下,所述处理模块,还用于根据第二功率回退值确定第二可用最大发射功率,所述第二功率回退值为所述第一上行传输资源所在的载波对应的功率回退值;所述处理模块,还用于根据所述第二可用最大发射功率确定所述第一上行传输的发射功率,所述第一上行传输的发射功率不超过所述第二可用最大发射功率;或者,所述处理模块,还用于根据第三功率回退值确定第三可用最大发射功率,所述第三功率回退值为所述第二上行传输资源所在的载波对应的功率回退值;所述处理模块,还用于根据所述第三可用最大发射功率确定所述第二上行传输的发射功率,所述第二上行传输的发射功率不超过所述第三可用最大发射功率。
- 一种通信装置,其特征在于,包括:第一装置接收来自网络设备的第一指示信息,所述第一指示信息用于指示上行传输资源;所述第一装置确定侧行传输资源;所述第一装置根据第一功率回退值确定第一可用最大发射功率,所述第一功率回退值为并发模式对应的功率回退值;所述第一装置根据所述第一可用最大发射功率确定上行传输的发射功率和侧行传输的发射功率,所述上行传输的发射功率和所述侧行传输的发射功率之和不超过所述第一可用最大发射功率,所述上行传输承载于所述上行传输资源,所述侧行传输承载于所述侧行传输资源。
- 一种通信装置,其特征在于,包括:处理器和存储器;所述存储器,用于存储计算机程序;所述处理器,用于执行所述存储器中存储的计算机程序,以使得所述通信装置执行权利要求1至9中任一项所述的通信方法,或执行权利要求10至12中任一项所述的通信方法,或执行权利要求13所述的通信方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序,当所述计算机程序在计算机上运行时,使得所述计算机执行如权利要求1至9中任一项所述通信方法,或执行如权利要求10至12中任一项所述的通信方法,或执行权利要求13所述的通信方法。
- 一种芯片系统,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片系统地通信设备执行如权利要求1至9中任一项所述的通信方法,或执行如权利要求10至12中任一项所述的通信方法,或执行权利要求13所述的通信方法。
- 一种计算机程序产品,其特征在于,所述计算机程序产品包括计算机指令,当所述指令被运行时,使得计算机执行如权利要求1至9中任一项所述通信方法,或执行如权利要求10至12中任一项所述的通信方法,或执行权利要求13所述的通信方法。
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