WO2020192360A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

Info

Publication number
WO2020192360A1
WO2020192360A1 PCT/CN2020/077312 CN2020077312W WO2020192360A1 WO 2020192360 A1 WO2020192360 A1 WO 2020192360A1 CN 2020077312 W CN2020077312 W CN 2020077312W WO 2020192360 A1 WO2020192360 A1 WO 2020192360A1
Authority
WO
WIPO (PCT)
Prior art keywords
resource
power
uplink
power difference
difference threshold
Prior art date
Application number
PCT/CN2020/077312
Other languages
English (en)
Chinese (zh)
Inventor
王婷
唐浩
唐臻飞
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2020192360A1 publication Critical patent/WO2020192360A1/fr

Links

Images

Classifications

    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/365—Power headroom reporting
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • 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
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource

Definitions

  • This application relates to the field of communication technology, and in particular to a communication method and device.
  • a terminal can send uplink data to a network device, and a terminal can also send sidelink data to another terminal.
  • a transmission link for example, a shared radio frequency unit
  • the terminal cannot perform a certain data transmission process. Concurrency of uplink data and side link data. Therefore, how to enable the concurrency of the uplink data and the side link data when the transmission link is shared, so as to improve the transmission efficiency, has become an urgent problem to be solved.
  • the embodiments of the present application provide a method and device for sending and receiving data.
  • an embodiment of the present application provides a communication method, which may be executed by a terminal, including: obtaining a power difference threshold, determining uplink power and side link power according to the power difference threshold, and The link power transmits uplink data, and the side link data is transmitted according to the side link power.
  • the difference between the uplink power and the side link power is less than or equal to the power difference threshold.
  • the terminal can determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is smaller than the power difference threshold, so that the When the link and the side link share the transmission link, the index constraint is overcome, and the concurrency of the uplink data and the side link data is realized, thereby improving the transmission efficiency.
  • the power difference threshold is obtained according to a resource interval, where the resource interval is the difference between the resources of the uplink data and the sidelink data
  • the power difference threshold has a corresponding relationship with the resource distance range where the resource distance is located.
  • the power difference threshold has a corresponding relationship with the resource spacing range in which the resource spacing is located and the transmission sub-carrier spacing, wherein the transmission sub-carrier spacing is the uplink data and the side link
  • the subcarrier interval corresponding to the data obtains the power difference threshold according to the resource interval and the transmission subcarrier interval.
  • the power difference threshold is obtained according to a resource interval and a reference resource interval, where the resource interval is the resource of the uplink data and the side row The distance between the resources of the link data, and the power difference threshold has a corresponding relationship with the reference resource distance.
  • the power difference threshold has a corresponding relationship with the reference resource interval and the transmission sub-carrier interval, wherein the transmission sub-carrier interval is a sub-carrier corresponding to the uplink data and the side-link data.
  • the power difference threshold is obtained according to the resource spacing, the reference resource spacing range, the transmission subcarrier spacing, and the reference subcarrier spacing, where the resource spacing is the The distance between the resource of the uplink data and the resource of the side link data, the transmission subcarrier interval is the subcarrier interval corresponding to the uplink data and the side link data, and the power difference The threshold has a corresponding relationship with the reference resource distance range.
  • the method further includes: reporting the power difference capability and/or the resource spacing capability to the network device.
  • the power difference capability includes one or more of the following: the maximum power difference supported by the uplink and the side link, the minimum power difference supported by the uplink and the side link, or the uplink The power difference range supported by the side link.
  • the resource spacing capability includes one or more of the following: the maximum resource spacing supported by the uplink and the side link, the minimum resource spacing supported by the uplink and the side link, or the uplink and the side link The range of resource spacing supported by the uplink.
  • the method further includes: determining a power headroom according to the power difference threshold, and reporting the power headroom to a network device.
  • the power headroom includes uplink power headroom and/or side link power headroom.
  • an embodiment of the present application provides a communication method, which may be executed by a network device, and includes: sending configuration information to a terminal, where the configuration information is used to configure a power difference threshold. Receiving uplink data or side link data from the terminal, wherein the difference between the uplink power of the uplink data and the side link power of the side link data is less than or equal to The power difference threshold.
  • the terminal can determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is smaller than the power difference threshold, so that When the uplink and the side link share the transmission link, the index constraint is overcome, and the concurrency of the uplink data and the side link data is realized, thereby improving the transmission efficiency.
  • the configuration information is used to configure the correspondence between the power difference threshold and the resource spacing range where the resource spacing is located, wherein the resource spacing is the uplink The distance between the link data resource and the side link data resource.
  • the configuration information is used to configure the corresponding relationship between the power difference threshold and the resource spacing range in which the resource spacing is located and transmission subcarrier spacing, wherein the transmission subcarrier spacing is the uplink data The sub-carrier interval corresponding to the side link data.
  • the configuration information is used to configure the correspondence between the power difference threshold and the reference resource interval.
  • the configuration information is used to configure the corresponding relationship between the power difference threshold and the reference resource interval and transmission subcarrier interval, wherein the transmission subcarrier interval is the uplink data and the side The subcarrier interval corresponding to the uplink data.
  • the configuration information is used to configure the correspondence between the power difference threshold and the reference resource spacing range.
  • the method further includes: receiving a power difference capability and/or resource spacing capability from the terminal.
  • the power difference capability includes one or more of the following: the maximum power difference supported by the uplink and the side link, the minimum power difference supported by the uplink and the side link, or the uplink The power difference range supported by the side link.
  • the resource spacing capability includes one or more of the following: the maximum resource spacing supported by the uplink and the side link, the minimum resource spacing supported by the uplink and the side link, or the uplink and the side link The range of resource spacing supported by the uplink.
  • the method further includes: receiving a power headroom from the terminal.
  • the power headroom includes uplink power headroom and/or side link power headroom.
  • an embodiment of the present application provides a device that can implement one or more of the corresponding functions of the first aspect or any one of the possible implementation manners of the first aspect.
  • the device includes corresponding units or components for performing the above methods.
  • the units/modules included in the device can be implemented in software and/or hardware.
  • the device may be, for example, a terminal, or a network device (such as a base station), or a chip, a chip system, or a processor that can support the terminal or network device to implement the above-mentioned functions.
  • an embodiment of the present application provides a device that can implement the corresponding functions of one or more of the foregoing second aspect or any one of the possible implementation manners of the second aspect.
  • the device includes corresponding units or components for performing the above methods.
  • the units/modules included in the device can be implemented in software and/or hardware.
  • the device may be, for example, a terminal, or a network device (such as a base station), or a chip, a chip system, or a processor that can support the terminal or network device to implement the above-mentioned functions.
  • the present application provides an apparatus including: a processor, the processor is coupled with a memory, the memory is used to store a program or instruction, when the program or instruction is executed by the processor, the The device implements the method described in the first aspect or any one of the possible implementation manners of the first aspect.
  • the present application provides a device, including: a processor, the processor is coupled with a memory, the memory is used to store a program or instruction, when the program or instruction is executed by the processor, the The device implements the method described in the foregoing second aspect or any one of the possible implementation manners of the second aspect.
  • the present application provides a storage medium on which a computer program or instruction is stored.
  • the computer program or instruction executes the first aspect or any one of the possible implementation manners of the first aspect. The method described.
  • the present application provides a storage medium on which a computer program or instruction is stored.
  • the computer executes the above-mentioned second aspect or any possible implementation manner of the second aspect. The method described.
  • an embodiment of the present application provides a communication system, including: the device described in the fifth aspect and the device described in the sixth aspect.
  • FIG. 1 is a schematic diagram of a communication system applied by an embodiment provided by this application;
  • Figure 2 shows a schematic diagram of an example architecture of a communication system
  • FIG. 3 shows a schematic diagram of interaction of a communication method provided by an embodiment of the present application
  • FIG. 4A shows a schematic diagram of a resource spacing provided by an embodiment of the present application
  • FIG. 4B shows another schematic diagram of resource spacing provided by an embodiment of the present application.
  • FIG. 4C shows another schematic diagram of resource spacing provided by an embodiment of the present application.
  • FIG. 4D shows another schematic diagram of resource spacing provided by an embodiment of the present application.
  • FIG. 4E shows another schematic diagram of resource spacing provided by an embodiment of the present application.
  • FIG. 5 shows an interactive schematic diagram of another communication method provided by an embodiment of the present application.
  • Fig. 6 shows a schematic diagram of interaction of another communication method provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 8 is a schematic structural diagram of a terminal provided by an embodiment of this application.
  • FIG. 9 is a schematic diagram of a communication device provided by an embodiment of this application.
  • FIG. 1 shows a schematic diagram of a communication system structure.
  • the communication system includes one or more network devices (for clarity, the figure shows the network device 10 and the network device 20), and one or more terminal devices that communicate with the one or more network devices.
  • the terminal device 11 and the terminal device 12 shown in FIG. 1 communicate with the network device 10, and the terminal device 21 and the terminal device 22 shown in FIG. 1 communicate with the network device 20.
  • the terminal devices can also communicate with each other.
  • the terminal device 11 can communicate with the terminal device 12, the terminal device 11 can communicate with the terminal device 21, and the terminal device 11 can communicate with the terminal device 22.
  • the one or more terminal devices may not communicate with the network device.
  • network devices and terminal devices may also be referred to as communication devices.
  • the technology described in the embodiments of the present invention can be used in various communication systems, such as 2G, 3G, 4G, 4.5G, 5G communication systems, systems where multiple communication systems are integrated, or future evolution networks.
  • LTE long term evolution
  • NR new radio
  • WiFi wireless fidelity
  • 3GPP 3rd generation partnership project
  • FIG 2 shows a schematic diagram of an example of a possible architecture of a communication system.
  • the network equipment in the radio access network is a centralized unit (CU) and a distributed unit (CU).
  • unit, DU A base station with a separate architecture (such as gNodeB or gNB).
  • the RAN can be connected to a core network (for example, it can be an LTE core network, or a 5G core network, etc.).
  • CU and DU can be understood as the division of base stations from the perspective of logical functions.
  • CU and DU can be physically separated or deployed together. Multiple DUs can share one CU.
  • One DU can also be connected to multiple CUs (not shown in the figure).
  • the CU and DU can be connected through an interface, for example, an F1 interface.
  • CU and DU can be divided according to the protocol layer of the wireless network.
  • the functions of the packet data convergence protocol (PDCP) layer and the radio resource control (RRC) layer are set in the CU, while the radio link control (RLC) and media access control
  • the functions of the (media access control, MAC) layer and the physical layer are set in the DU.
  • PDCP packet data convergence protocol
  • RRC radio resource control
  • RLC radio link control
  • the functions of the (media access control, MAC) layer and the physical layer are set in the DU.
  • PDCP packet data convergence protocol
  • RRC radio resource control
  • RLC radio link control
  • MAC media access control
  • the division of CU and DU processing functions according to this protocol layer is only an example, and it can also be divided in other ways.
  • CU or DU can be divided into functions with more protocol layers.
  • the CU or DU can also be divided into part
  • the functions of the CU or DU can also be divided according to business types or other system requirements. For example, it is divided by time delay, and functions whose processing time needs to meet the delay requirement are set in DU, and functions that do not need to meet the delay requirement are set in CU.
  • the network architecture shown in FIG. 2 can be applied to a 5G communication system, and it can also share one or more components or resources with an LTE system.
  • the CU may also have one or more functions of the core network.
  • One or more CUs can be set centrally or separately.
  • the CU can be set on the network side to facilitate centralized management.
  • the DU can have multiple radio frequency functions, or the radio frequency functions can be set remotely.
  • the function of the CU can be realized by one entity, or the control plane (CP) and the user plane (UP) can be further separated, that is, the control plane (CU-CP) and the user plane (CU-UP) of the CU can be composed of different functions It is realized by an entity, and the CU-CP and CU-UP can be coupled with the DU to jointly complete the function of the base station.
  • the network device can be any device with a wireless transceiver function.
  • the network device may be an access network device, and the access network device may also be called a radio access network (RAN) device, which is a device that provides wireless communication functions for terminal devices.
  • RAN radio access network
  • Network equipment includes but is not limited to: evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B), base station in NR (gNodeB or gNB) or transmission receiving point/transmission reception point (TRP) , 3GPP subsequent evolution of base stations, access nodes in the WiFi system, wireless relay nodes, wireless backhaul nodes, network management equipment, etc.
  • the base station can be: a macro base station, a micro base station, a pico base station, a small station, a relay station, or a balloon station, etc. Multiple base stations can support networks of the same technology mentioned above, or networks of different technologies mentioned above.
  • the base station can contain one or more co-site or non-co-site TRPs.
  • the network device may also be a wireless controller, CU, and/or DU in a cloud radio access network (cloud radio access network, CRAN) scenario.
  • the network device can also be a server, a wearable device, or a vehicle-mounted device.
  • the network device may also be a network device in a future 5G network or a network device in a future evolved PLMN network.
  • the following description takes the network device as a base station as an example.
  • the multiple network devices may be base stations of the same type, or base stations of different types.
  • the base station can communicate with the terminal equipment, and it can also communicate with the terminal equipment through the relay station.
  • a terminal device can communicate with multiple base stations of different technologies.
  • a terminal device can communicate with a base station that supports an LTE network, can also communicate with a base station that supports a 5G network, and can also support communication with a base station of an LTE network and a base station of a 5G network. Double connection.
  • the device used to implement the function of the network device may be a network device; it may also be a device capable of supporting the network device to implement the function, such as a chip system, and the device may be installed in the network device.
  • a terminal is a device with a wireless transceiver function, which can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on the water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, etc.) And satellite class).
  • the terminal may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with wireless transceiver function, virtual reality (VR) terminal equipment, augmented reality (AR) terminal equipment, industrial control (industrial control) Wireless terminals in control), vehicle-mounted terminal equipment, wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, transportation safety (transportation safety) ), wireless terminals in smart cities, wireless terminals in smart homes, wearable terminal devices, and so on.
  • VR virtual reality
  • AR augmented reality
  • industrial control industrial control
  • Wireless terminals in control vehicle-mounted terminal equipment, wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, transportation safety (transportation safety) ), wireless terminals in smart cities, wireless terminals in smart homes, wearable terminal devices, and so on.
  • the embodiment of this application does not limit the application scenario.
  • Terminals can sometimes be referred to as terminal equipment, user equipment (UE), access terminal equipment, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, mobile station, remote station, remote terminal equipment, mobile Equipment, UE terminal equipment, terminal equipment, wireless communication equipment, UE agent or UE device, etc.
  • the terminal can also be fixed or mobile.
  • the device used to implement the function of the terminal may be a terminal; it may also be a device capable of supporting the terminal to implement the function, such as a chip system, and the device may be installed in the terminal.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • a terminal can send uplink (UL) data to a network device, and a terminal can also send sidelink (SL) data to another terminal.
  • UL uplink
  • SL sidelink
  • a terminal if the uplink data and the transmission side uplink data share the transmission link (for example, share the radio frequency unit, or share the transmission carrier), due to the indicator constraints of the shared transmission link, the terminal is in the data transmission process , Concurrent uplink data and side-link data cannot be performed. Therefore, how to enable the concurrency of the uplink data and the side link data when the transmission link is shared, so as to improve the transmission efficiency, has become an urgent problem to be solved.
  • the transmission link can also be called a baseband link, radio frequency link, transmission link, or channel bandwidth.
  • the transmission link may include a radio frequency processing link and/or a baseband processing link, etc.
  • the terminal device can support multiple transmission links.
  • the terminal device can use one or more transmission links to send signals on a link.
  • the terminal device may support the use of independent transmission links to send uplink signals and side link signals on one carrier.
  • the terminal device may support on one carrier, using the first transmission link to send uplink signals, and the second transmission link to send side-link signals.
  • the terminal device may support the use of a shared transmission link to transmit uplink signals and side link signals on one carrier.
  • the terminal equipment may support using a third transmission link to transmit uplink signals and side link signals on one carrier, and the third transmission link is the aforementioned shared transmission link.
  • the terminal can determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is smaller than the power difference threshold, so that the When the link and the side link share the transmission link, the index constraint is overcome, and the concurrency of the uplink data and the side link data is realized, thereby improving the transmission efficiency.
  • FIG. 3 is a schematic diagram of interaction of a communication method provided by an embodiment of this application. As shown in Fig. 3, the method of this embodiment may include:
  • the terminal U1 determines the uplink power P UL and the side link power P SL according to the power difference threshold P thr .
  • the difference between the uplink power and the side link power (which can also be understood as the absolute value of the difference between the uplink power and the side link power) is less than or equal to
  • the power difference threshold (also can be expressed as
  • the power difference threshold can be understood as the maximum difference between the uplink power and the side link power.
  • the difference between the uplink power and the side link power in the embodiment of the present application can be understood as the difference between the uplink power and the side link power on the same time domain resource .
  • the time domain resources in the present application may include at least one frame, at least one sub-frame, at least one slot, at least one mini-slot, or at least one time domain symbol.
  • the power difference threshold in the embodiment of the present application may also be a power ratio threshold.
  • the difference between the uplink power and the side link power may also be the uplink power and the side link power.
  • the ratio of link power or the ratio of the side link power to the uplink power will describe the power difference threshold and the difference between the uplink power and the side link power as an example in the following.
  • Part 310 The terminal U1 sends uplink data to the network device according to the uplink power P UL , and sends side uplink data to the terminal U2 according to the side link power P SL .
  • the network device receives the uplink data from the terminal U1, and the terminal U2 receives the side link data from the terminal U1.
  • the uplink data in the embodiments of the present application may be uplink physical signals.
  • the uplink data may be uplink demodulation reference signals (DM-RS), and uplink phase tracking reference signals (phase-tracking reference signals). tracking reference signals, PT-RS), or sounding reference signals (sounding reference signals, SRS).
  • the uplink data in the embodiments of the present application may also be information carried by an uplink physical channel.
  • the uplink data may be information carried by a physical uplink shared channel (PUSCH) and a physical uplink control channel (physical uplink shared channel, PUSCH).
  • the uplink data in the embodiments of the present application may also be uplink physical signals and information carried by uplink physical channels.
  • the uplink data in the embodiment of the present application may refer to data sent by a terminal and received by a network device.
  • the side link data in the embodiment of the present application may be a side link physical signal.
  • the side link data may be a side link DMRS or a side link synchronization signal.
  • the side link data in the embodiments of the present application may also be information carried by a side link physical channel.
  • the side link data may be a physical side link shared channel (PSSCH), Physical sidelink control channel (PSCCH), physical sidelink discovery channel (PSDCH), physical sidelink broadcast channel (PSBCH), physical side Information carried by the physical sidelink feedback channel (PSFCH) or the physical sidelink uplink control channel (PSUCCH).
  • PSSCH physical side link shared channel
  • PSCCH Physical sidelink control channel
  • PSDCH physical sidelink discovery channel
  • PSBCH physical sidelink broadcast channel
  • PSFCH physical sidelink feedback channel
  • PSUCCH physical sidelink uplink control channel
  • the sideline link data in the embodiment of the present application may also be a sideline physical signal or information carried by a sideline physical channel.
  • the side link data may include side link data (SL data), and/or side link control information (sidelink control information, SCI), and the SCI may also be referred to as sidelink scheduling assistance (sidelink scheduling assistance, SL SA) .
  • SL SA is information related to data scheduling, such as resource allocation and/or modulation and coding scheme (MCS) information used to carry PSSCH.
  • the sidelink data may include sidelink feedback control information (SFCI), and the sidelink feedback control information may also be referred to as sidelink feedback information for short.
  • the side link feedback control information may include one or more of channel state information (channel state information, CSI), hybrid automatic repeat request (HARQ) and other information.
  • the HARQ information may include an acknowledgement (acknowledgement, ACK) or a negative acknowledgement (negtive acknowledgement, NACK), etc.
  • the side link data in the embodiment of the present application may refer to data sent by a terminal and received by another terminal.
  • the side link (SL) in the embodiment of the present application may also be called a side link, a side link, or a device to device (D2D) link.
  • the terminal can determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is smaller than the power difference threshold, so that the When the link shares the transmission link, it overcomes the index constraint and realizes the concurrency of uplink data and side link data, thereby improving transmission efficiency.
  • the uplink power determined according to the power difference threshold may be 0 (the unit may be a unit used to characterize power such as watts or milliwatts), then in the above section 310, according to the uplink power
  • the link power sending uplink data can be understood as not sending the uplink data.
  • the side link power determined according to the power difference threshold can be 0 (the unit may be a unit used to characterize power such as watts or milliwatts), then in the above section 310, according to the The side-link power transmission of the side-link data can be understood as not sending the side-link data.
  • the uplink power P UL and the side link power P SL in the above section 300 can be understood as the power difference threshold P thr and the adjustment front uplink power P′ UL and the adjustment front side uplink power P′
  • the foregoing pre-adjustment uplink power P′ UL and the foregoing adjustment front-side uplink power P′ SL can be understood as the uplink and side uplink power obtained without considering the power difference threshold P thr .
  • one of the adjusted uplink power P UL and the adjusted rear uplink power P SL is determined according to the power difference threshold P thr , the adjusted front uplink power P′ UL and the adjusted front uplink power P′ SL .
  • the reduced value of the larger one of SL P 'UL and P', holding P 'UL and P' SL smaller value of a constant to obtain the adjusted uplink
  • the power P UL and the rear side uplink power P SL are adjusted to satisfy that the difference between P UL and P SL is less than or equal to P thr .
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: Adjust according to power Decrease the value of the larger one of P′ UL and P′ SL (in this example, the larger one is P′ SL ), and keep the smaller one of P′ UL and P′ SL . Change (the smaller item in this example is P′ UL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • N SL is a positive integer
  • the value of can be a positive real number or a positive integer, for example It can be 5, 2, 1.5, 1, 0.5, or 0.25. Understandably, the above formula can also be Correspondingly, The value of can be a negative real number or a negative integer, for example It can be -5, -2, -1.5, -1, -0.5, or -0.25. It may be predefined, or configured by the network device through high-level signaling (for example, RRC signaling), or may be indicated by the network device through physical layer signaling (for example, downlink control information).
  • RRC signaling for example, RRC signaling
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: according to power Decrease the value of the larger one of P′ UL and P′ SL (in this example, the larger one is P′ SL ), and keep the smaller one of P′ UL and P′ SL . Change (the smaller item in this example is P′ UL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • ⁇ P SL represents the SL power adjustment amount
  • the value of ⁇ P SL can be a positive real number or a positive integer, for example, ⁇ P SL can be a value such as 10, 5, 2, 1.5, 1, 0.5, or 0.25.
  • the value of ⁇ P SL may be a negative real number or a negative integer, for example, ⁇ P SL may be -10 , -5, -2, -1.5, -1, -0.5, or -0.25, etc.
  • ⁇ P SL may be predefined, or configured by the network device through high-level signaling (for example, RRC signaling), or indicated by the network device through physical layer signaling (for example, downlink control information).
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: Adjust according to power Decrease the value of the larger one of P′ UL and P′ SL (in this example, the larger one is P′ UL ), and keep the smaller one of P′ UL and P′ SL . Change (the smaller term in this example is P′ SL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • N UL is a positive integer
  • the value of can be a positive real number or a positive integer, for example It can be 5, 2, 1.5, 1, 0.5, or 0.25. Understandably, the above formula can also be Correspondingly, The value of can be a negative real number or a negative integer, for example It can be -5, -2, -1.5, -1, -0.5, or -0.25. It may be predefined, or configured by the network device through high-level signaling (for example, RRC signaling), or may be indicated by the network device through physical layer signaling (for example, downlink control information).
  • RRC signaling for example, RRC signaling
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: according to power Reduce the value of the larger one of P′ UL and P′ SL (the larger one is P′ UL in this example), and keep the value of the smaller one of P′ UL and P′ SL not Change (the smaller term in this example is P′ SL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • ⁇ P UL represents the UL power adjustment amount
  • the value of ⁇ P UL can be a positive real number or a positive integer, for example, ⁇ P UL can be a value such as 10, 5, 2, 1.5, 1, 0.5, or 0.25.
  • the value of ⁇ P UL can be a negative real number or a negative integer, for example, ⁇ P UL can be -10 , -5, -2, -1.5, -1, -0.5, or -0.25, etc.
  • ⁇ P UL may be predefined, or configured by the network device through high-level signaling (such as RRC signaling), or indicated by the network device through physical layer signaling (such as downlink control information). It can be understood that ⁇ P UL and the above-mentioned ⁇ P SL can be the same parameter or different parameters; ⁇ P UL and the above-mentioned ⁇ P SL can be configured through the same high-level signaling, or through different high-level signaling; ⁇ P UL and the above-mentioned ⁇ P SL can be indicated by the same physical layer signaling (for example, the same downlink control information), or may be indicated by different physical layer signaling (for example, different downlink control information).
  • high-level signaling such as RRC signaling
  • physical layer signaling such as downlink control information
  • the difference between the adjusted uplink power P UL and the adjusted rear uplink power P SL is determined based on the power difference threshold P thr , the adjusted front uplink power P′ UL and the adjusted front uplink power P′ SL .
  • the increase in P 'and the UL P' is a value smaller SL, holding the value SL in a larger P 'and the UL P' unchanged, to obtain the adjusted uplink
  • the road power P UL and the rear side uplink power P SL are adjusted to satisfy that the difference between P UL and P SL is less than or equal to P thr .
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: Adjust according to power Increase the step size of the smaller one of P′ UL and P′ SL (the smaller one is P′ UL in this example), and keep the larger one of P′ UL and P′ SL . Change (the larger term in this example is P′ SL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • N UL is a positive integer
  • the value of can be a positive real number or a positive integer, for example It can be 5, 2, 1.5, 1, 0.5, or 0.25. Understandably, the above formula can also be Correspondingly, The value of can be a negative real number or a negative integer, for example It can be -5, -2, -1.5, -1, -0.5, or -0.25. It may be predefined, or configured by the network device through high-level signaling (for example, RRC signaling), or may be indicated by the network device through physical layer signaling (for example, downlink control information).
  • RRC signaling for example, RRC signaling
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: according to power Increase the value of the smaller one of P′ UL and P′ SL (in this example, the smaller one is P′ UL ), and keep the larger one of P′ UL and P′ SL . Change (the larger term in this example is P′ SL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • ⁇ P UL represents the UL power adjustment amount
  • ⁇ P UL may be predefined, or configured by the network device through high-level signaling (such as RRC signaling), or indicated by the network device through physical layer signaling (such as downlink control information).
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: Adjust according to power Increase the step size of the smaller one of P′ UL and P′ SL (in this example, the smaller one is P′ SL ), and keep the larger one of P′ UL and P′ SL . Change (the larger item in this example is P′ UL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • N SL is a positive integer
  • the value of can be a positive real number or a positive integer, for example It can be 5, 2, 1.5, 1, 0.5, or 0.25. Understandably, the above formula can also be Correspondingly, The value of can be a negative real number or a negative integer, for example It can be -5, -2, -1.5, -1, -0.5, or -0.25. It may be predefined, or configured by the network device through high-level signaling (for example, RRC signaling), or may be indicated by the network device through physical layer signaling (for example, downlink control information).
  • RRC signaling for example, RRC signaling
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: according to power Increase the value of the smaller one of P′ UL and P′ SL (in this example, the smaller one is P′ SL ), and keep the larger one of P′ UL and P′ SL . Change (the larger item in this example is P′ UL ).
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • ⁇ P SL represents the SL power adjustment amount
  • the value of ⁇ P SL can be a positive real number or a positive integer, for example, ⁇ P SL can be a value such as 10, 5, 2, 1.5, 1, 0.5, or 0.25.
  • the value of ⁇ P SL can be a negative real number or a negative integer, for example, ⁇ P SL can be -10 , -5, -2, -1.5, -1, -0.5, or -0.25, etc.
  • ⁇ P SL may be predefined, or configured by the network device through high-level signaling (for example, RRC signaling), or indicated by the network device through physical layer signaling (for example, downlink control information).
  • the difference between the adjusted uplink power P UL and the adjusted rear uplink power P SL is determined based on the power difference threshold P thr , the adjusted front uplink power P′ UL and the adjusted front uplink power P′ SL .
  • the reduced value of P 'UL and P' SL larger one, increased P 'UL and P' SL smaller one of the values to obtain an uplink adjustment The power P UL and the rear side uplink power P SL are adjusted to satisfy that the difference between P UL and P SL is less than or equal to P thr .
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be:
  • -P thr ) is divided equally to obtain the average power ((
  • P UL and P SL determined based on P thr , P′ SL and P′ UL can satisfy the following formula:
  • P UL P′ UL +(
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: ′
  • -P thr ) is distributed proportionally ⁇ to obtain the proportional distribution power ((
  • P UL P′ UL +(
  • P UL and P SL determined according to P thr , P′ SL and P′ UL may satisfy the following formula:
  • ⁇ satisfies 0 ⁇ 1.
  • ⁇ may be predefined, or configured by the network device through high-level signaling (such as RRC signaling), or indicated by the network device through physical layer signaling (such as downlink control information).
  • ⁇ can satisfy one of the following:
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be:
  • -P thr ) is divided equally to obtain the average power ((
  • P UL and P SL determined according to P thr , P′ SL and P′ UL can satisfy the following formula:
  • P SL P′ SL +(
  • the process of determining P UL and P SL according to P thr , P′ SL and P′ UL can be: ′
  • -P thr ) is distributed proportionally ⁇ to obtain the proportional distribution power ((
  • P UL and P SL determined according to P thr , P′ SL and P′ UL may satisfy the following formula:
  • P SL P′ SL +(
  • the interference during the concurrency of the uplink and the side link can be reduced, thereby enabling the concurrency of the uplink data and the side link data.
  • the transmission efficiency is improved.
  • the terminal may also determine whether U1 uplink data according to the line side and the P UL and P 'as compared to the amount of change of the UL or P SL and P' is compared to the amount of change SL Concurrency of link data.
  • P UL and P' determines whether to transmit uplink data amount of change compared to UL one possible embodiment, P UL and P' is reduced as compared UL x 1%, when x 1 is greater than or equal to the threshold When the limit is X 1 , the terminal U1 will not send uplink data.
  • the threshold value X 1 may be predefined or configured by the network device.
  • P UL and P' UL increase compared x 2%, when x 2 is greater than or equal to When the threshold is X 2 , the terminal U1 will not send uplink data.
  • the threshold X 2 may be predefined or configured by the network device.
  • SL P and P 'side determines whether to transmit uplink data compared to the amount of change SL one possible embodiment, P SL and P' is reduced as compared SL y 1%, if y 1 is greater than or equal to When the threshold is Y 1 , the terminal U1 will not send side uplink data.
  • the threshold Y 1 may be predefined or configured by the network device.
  • SL P and P 'side determines whether to transmit uplink data compared to the amount of change SL another possible embodiment, P SL and P' SL increase compared y 2%, or greater than when y 2 when the threshold value is equal to Y 2, a terminal U1 will not send downlink data side.
  • the threshold Y 2 may be predefined or configured by the network device.
  • the terminal U1 may also determine the uplink power and the side link power according to path loss parameters (such as path loss values), where the path loss parameters are the difference between the terminal U1 and the network device.
  • path loss parameters such as path loss values
  • the terminal U1 determines the uplink power and the side link power according to a predefined path loss parameter or configured by a network device.
  • the terminal U1 may also use different path loss parameters to determine the uplink power and/or the side link when the uplink data and the side link data are concurrent and non-concurrent.
  • Link power For example, the terminal U1 uses the path loss parameter between the terminal U1 and the network device to determine the uplink power and the side link power when the uplink data and the side link data are concurrent.
  • the path loss parameter between the terminal U1 and the terminal U2 is used to determine the uplink power or the side link power.
  • the terminal U1 uses the path loss parameter between the terminal U1 and the terminal U2 to determine the uplink power and the side link power when the uplink data and the side link data are concurrent.
  • the path loss parameter between the terminal U1 and the network device is used to determine the uplink power or the side link power.
  • the method may further include part 320: the terminal U1 obtains the power difference threshold P thr .
  • the power difference threshold may be pre-defined or pre-configured, and may also be configured or instructed by the network device or other terminal.
  • the terminal U1 can obtain the power difference threshold predefined in the protocol.
  • the terminal U1 may obtain the power difference threshold through pre-configuration parameters.
  • the terminal U1 may obtain the aforementioned power difference threshold through a pre-configured parameter in a subscriber identification module (SIM) or a universal subscriber identity module (USIM).
  • SIM subscriber identification module
  • USIM universal subscriber identity module
  • the SIM may also be called a user identification card, a smart card, etc.
  • the USIM may also be called an upgraded SIM, etc.
  • the pre-configuration parameters may also be called pre-configuration signaling, pre-configuration information and other names.
  • the method may further include part 330: the network device sends configuration information to the terminal U1, and the terminal U1 receives the configuration information.
  • the configuration information is used to configure or instruct the The power difference threshold P thr .
  • the configuration information may include one or more of system information, information carried by public RRC signaling, information carried by dedicated RRC signaling, or downlink control information.
  • the terminal U1 may determine the power difference threshold P thr according to a priority rule, where the priority rule specifies a priority among multiple types of information.
  • the above priority rule specifies the following information with priority from high to low: downlink control information, information carried by dedicated RRC signaling, information carried by public RRC signaling, system information, and pre-configuration information.
  • the priority rule can also be understood as that downlink control information can overwrite information carried by dedicated RRC signaling, information carried by public RRC signaling, system information, or pre-configuration information, and information carried by dedicated RRC signaling can be Overwrite information, system information, or pre-configuration information carried by public RRC signaling.
  • Information carried by public RRC signaling can overwrite system information or pre-configuration information.
  • System information can overwrite pre-configuration information. Can be called coverage.
  • the terminal U1 may determine that the power difference threshold P thr is configured or indicated in the higher priority information.
  • part 330 may also be: the terminal U2 sends configuration information to the terminal U1, and the terminal U1 receives the configuration information, and the configuration information is used to configure or indicate the power difference threshold P thr .
  • the configuration information may configure a power difference threshold P thr
  • the terminal U1 may receive the configuration information to obtain the power difference threshold P thr .
  • the terminal U1 obtains the power difference threshold P thr according to an index, a number, or an enumeration parameter, where the index, a number, or an enumeration parameter is used to identify The power difference threshold P thr , and the power difference threshold P thr has a corresponding relationship with the index, number, or enumeration parameter.
  • the corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the index, number, or enumeration parameter may be predefined, or may be configured or indicated by the network device or other terminal.
  • the terminal U1 can obtain the aforementioned index, number, or enumeration parameter, and obtain the power difference threshold P thr according to the corresponding relationship between the power difference threshold P thr and the index, number, or enumeration parameter.
  • the configuration sent by the network device or terminal U2 to the terminal U1 The information can be used to configure the corresponding relationship between the power difference threshold P thr and the index, number, or enumeration parameter.
  • the configuration information in section 330 can be used to configure the correspondence between the index and the power difference threshold shown in Table 1.
  • the configuration information sent by the network device or the terminal U2 to the terminal U1 may also be configured with the aforementioned index for identifying P thr (which can also be understood as an index corresponding to P thr ).
  • the configuration information sent by the network device or terminal U2 to the terminal U1 is configured with The corresponding index "1", the terminal U1 can obtain the power difference threshold according to the index "1"
  • the power difference threshold can be configured in a quantized manner, thereby reducing the configuration overhead of the power difference threshold.
  • the corresponding relationship is predefined.
  • the corresponding relationship between the index and the power difference threshold illustrated in this example may be predefined.
  • the terminal U1 obtains the power difference threshold P thr according to the resource distance Rt, where the resource distance Rt is the resource of the uplink data and the side
  • the power difference threshold P thr has a corresponding relationship with the resource interval Rt, or the power difference threshold P thr has a corresponding relationship with the resource interval range where the resource interval Rt is located.
  • the corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the larger the resource interval Rt the larger the power difference threshold P thr corresponding to the resource interval Rt.
  • different resource spacing Rt may also correspond to the same power difference threshold P thr .
  • the terminal U1 can determine the resource interval range where the resource interval Rt is located, and according to the power difference threshold P thr and the resource interval range where the resource interval Rt is located The corresponding relationship obtains the power difference threshold P thr .
  • the pitch range in this application can be understood as including a collection of multiple different pitches.
  • the resource spacing range can be understood as including a collection of multiple different resource spacings.
  • the distance range may also be referred to as a distance range, a distance interval, or a distance interval, which is not limited in this application.
  • the uplink data resource in this application may be the frequency domain resource FU allocated for the uplink data, or may be a frequency domain resource set containing the frequency domain resource FU.
  • the resource of side link data in this application may be a frequency domain resource FS allocated for the side link data, or may be a frequency domain resource set containing the frequency domain resource FS.
  • the frequency domain resource or frequency domain resource set in this application may include at least one carrier (carrier), at least one component carrier (CC), at least one bandwidth part (BWP), and at least one resource block group (resource).
  • carrier carrier
  • component carrier CC
  • BWP bandwidth part
  • resource block group resource block group
  • RBG resource block group
  • PRG physical resource-block group
  • resource block resource block
  • SC sub-carrier
  • the aforementioned BWP may include uplink BWP and side link BWP.
  • Uplink data may be transmitted in the uplink BWP
  • side link data may be transmitted in the side link BWP.
  • the uplink BWP and the side link BWP may completely overlap, partially overlap, or not overlap.
  • the uplink BWP may include resources of uplink data
  • the side link BWP may include resources of side link data.
  • the resource of uplink data can also be understood as the resource of uplink data transmission
  • the resource of side-link data can also be understood as the resource of side-link data transmission.
  • the resource interval Rt in this application may be the interval between the starting frequency domain resource in the uplink data resource and the starting frequency domain resource in the side link data resource.
  • the resource interval Rt in this application may be the interval between the end frequency domain resource in the uplink data resource and the end frequency domain resource in the side link data resource.
  • the resource interval Rt in this application may be the interval between the start frequency domain resource in the uplink data resource and the end frequency domain resource in the side link data resource.
  • the resource interval Rt in this application may be the interval between the end frequency domain resource in the uplink data resource and the start frequency domain resource in the side link data resource.
  • the resource spacing Rt in this application may be the spacing between the center frequency domain resource in the uplink data resource and the center frequency domain resource in the side link data resource.
  • the resource spacing Rt in this application can be expressed by the number of resources (for example, the number of RBs, the number of RBGs, or the number of subcarriers, etc.), and can also be expressed in frequency units or bandwidth units (for example, megahertz (M) or megahertz (MHz), etc.) Said.
  • M megahertz
  • MHz megahertz
  • the configuration sent by the network device or terminal U2 to the terminal U1 The information can be used to configure the correspondence between the power difference threshold P thr and the resource interval range where the resource interval Rt is located.
  • the configuration information in section 330 can be used to configure the correspondence between the resource spacing range and the power difference threshold illustrated in Table 2.
  • the R0, R1, R2, and R3 illustrated in Table 2 respectively represent four resource spacing ranges.
  • the resource interval range where the resource interval Rt is located is Rj among R0, R1, R2, and R3 (j is 0, 1, 2 or 3), and the terminal U1 will obtain the power difference threshold corresponding to the resource interval range Rj
  • the resource spacing ranges represented by R0, R1, R2, and R3 are less than or equal to 5M, greater than 5M and less than or equal to 10M, greater than 10M and less than or equal to 20M, and greater than 20M, and the resource spacing represented by Rt is 6M.
  • the terminal U1 will obtain the power difference threshold corresponding to the resource spacing range R1
  • the power difference threshold can be determined according to the resource distribution of different links, so that the power difference threshold under different resource distributions can be adjusted adaptively, and resource utilization efficiency can be improved.
  • the corresponding relationship is predefined.
  • the corresponding relationship between the resource spacing range and the power difference threshold illustrated in this example may be predefined.
  • the terminal U1 obtains the power difference threshold P thr according to the resource interval Rt and the transmission subcarrier interval St, where the resource interval Rt is the uplink data
  • the distance between the resource of and the resource of the side link data, and the transmission subcarrier interval St is the subcarrier interval corresponding to the uplink data and the side link data.
  • the power difference threshold P thr has a corresponding relationship with the resource interval Rt and the transmission subcarrier interval St, or the resource interval range in which the power difference threshold P thr and the resource interval Rt are located and the transmission subcarrier interval
  • the carrier interval St has a corresponding relationship.
  • the corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the terminal U1 can determine the resource spacing range where the resource spacing Rt is located and the transmission subcarrier spacing St, and based on the range of power resources pitch difference threshold P thr pitch Rt resource is located, and said transmission subcarrier having a correspondence relationship St obtaining the power difference threshold P thr interval.
  • the transmission subcarrier interval in this application may also be referred to as subcarrier interval, system parameter, or frame structure parameter (numerology).
  • the subcarrier interval in this application is a transmission parameter (which can be understood as a frequency domain transmission parameter) used in data transmission.
  • the subcarrier interval may be 15kHz, 30kHz, 60kHz, 120kHz, 240kHz, or 480kHz.
  • the sub-carrier interval corresponding to uplink data in this application is the sub-carrier interval used for uplink data transmission, and the sub-carrier interval corresponding to side-link data in this application is when side-link data transmission is performed.
  • the network device or The configuration information sent by the terminal U2 to the terminal U1 may be used to configure the correspondence between the resource interval range where the power difference threshold P thr and the resource interval Rt are located, and the transmission subcarrier interval St.
  • the configuration information in section 330 can be used to configure the correspondence between the transmission subcarrier spacing and the resource spacing range and the power difference threshold illustrated in Table 3.
  • the S0 and S1 illustrated in Table 3 indicate two transmission subcarrier spacings, respectively.
  • R00 and R01 respectively represent two resource spacing ranges corresponding to the transmission subcarrier spacing S0, and
  • R10 and R11 respectively represent two resource spacing ranges corresponding to the transmission subcarrier spacing S1.
  • the transmission subcarrier spacing St is Si in S0 and S1 (i is 0 or 1)
  • the resource spacing range of the resource spacing Rt is Rij (j is 0 or 1) in Ri0 and Ri1
  • the terminal U1 will Obtain the power difference threshold corresponding to the resource spacing range Rij (It can also be understood that the terminal U1 will obtain the power difference threshold corresponding to the resource spacing range Rij under the transmission subcarrier spacing Si ).
  • the power difference threshold can be determined according to the resource distribution of different subcarrier intervals and different links, so that the power difference threshold under different subcarrier intervals and different resource distributions can be adjusted adaptively, and resource utilization efficiency can be improved. .
  • the corresponding relationship is predefined.
  • the resource spacing range illustrated in this example and the correspondence between the transmission subcarrier spacing and the power difference threshold may be predefined.
  • the terminal U1 obtains the power difference threshold P thr according to the resource interval Rt and the reference resource interval Rr, where the resource interval Rt is the value of the uplink data
  • the distance between the resource and the resource of the side link data, and the power difference threshold P thr has a corresponding relationship with the reference resource distance Rr.
  • the corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the reference resource distance in the embodiment of the present application can be understood as a resource distance used for reference or as a benchmark, and other resource distances can be determined according to the reference resource distance.
  • the power difference threshold corresponding to the reference resource interval may also be referred to as the reference power difference threshold.
  • the power difference threshold corresponding to other resource intervals can be determined, or the power difference threshold corresponding to other resource intervals can be determined according to the reference resource interval.
  • the reference power difference threshold may be predefined by the protocol, or may be configured or instructed by the network device or other terminal.
  • the terminal U1 may be based on the resource distance Rt, the reference resource distance Rr, and the reference power difference threshold corresponding to the reference resource distance Rr
  • the power difference threshold P thr is obtained .
  • the resource distance Rt is the distance between the resource of the uplink data and the resource of the side link data
  • the reference power difference threshold It has a corresponding relationship with the reference resource distance Rr, and the corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the power difference threshold P thr and the resource interval Rt, the reference resource interval Rr and the reference power difference threshold There is a corresponding relationship, and the corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the configuration information sent by the network device or the terminal U2 to the terminal U1 can be used to configure the reference power difference threshold. Correspondence with the reference resource distance Rr.
  • the configuration information in section 330 can be used to configure the correspondence between the reference resource spacing and the reference power difference threshold illustrated in Table 4.
  • Rr illustrated in Table 4 represents a reference resource spacing. Indicates the reference power difference threshold corresponding to Rr.
  • the terminal U1 is based on the aforementioned resource distance Rt and the aforementioned reference resource distance Rr, and the reference power difference threshold
  • the obtained power difference threshold P thr can satisfy the following formula:
  • C 0 is an integer or a real number
  • log represents a logarithm based on 2, the natural constant e, or 10.
  • the terminal U1 is based on the above-mentioned resource distance Rt and the above-mentioned reference resource distance Rr, and the reference power difference threshold
  • the obtained power difference threshold P thr can satisfy the following formula:
  • C 1 is an integer or a real number
  • m ⁇ represents a power with m as the base, where m can be an integer (such as 1, 2, or 10) or a natural constant e.
  • the content of the configuration information can be reduced, thereby reducing the configuration overhead.
  • the corresponding relationship is predefined.
  • the correspondence between the reference resource spacing and the power difference threshold illustrated in this example may be predefined.
  • the terminal U1 obtains the power difference threshold P thr according to the resource interval Rt, the reference resource interval Rrt, and the transmission subcarrier interval St, where the resource interval Rt is The distance between the resources of the uplink data and the resources of the side link data, the transmission subcarrier interval St is the subcarrier interval corresponding to the uplink data and the side link data, and
  • the power difference threshold P thr has a corresponding relationship with the reference resource interval Rrt and the transmission subcarrier interval St. The corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the terminal U1 may obtain the power difference threshold P thr according to the resource interval Rt, the reference resource interval Rrt, the transmission subcarrier interval St, and the reference power difference threshold corresponding to the reference resource interval Rrt and the transmission subcarrier interval St.
  • the resource distance Rt is the distance between the resources of the uplink data and the resources of the side link data
  • the transmission subcarrier interval St is the distance between the uplink data and the side link data.
  • the power difference threshold P thr has a corresponding relationship with the reference resource interval Rrt and the reference power difference threshold corresponding to the transmission subcarrier interval St.
  • the corresponding relationship may be predefined or may be It is configured or instructed by network equipment or other terminals.
  • the reference power difference threshold has a corresponding relationship with the reference resource interval Rrt and the transmission sub-carrier interval St. The corresponding relationship may be predefined, or may be configured or instructed by a network device or other terminal.
  • the network device or the terminal U2 reports to the terminal U1
  • the sent configuration information may be used to configure the correspondence between the reference power difference threshold and the reference resource interval Rrt and the transmission subcarrier interval St.
  • the configuration information in section 330 can be used to configure the correspondence between the transmission subcarrier spacing and the reference resource spacing and the reference power difference threshold illustrated in Table 5.
  • S0 and S1 illustrated in Table 5 indicate two transmission subcarrier spacings, respectively.
  • Rr0 and Rr1 represent the reference resource intervals corresponding to S0 and S1, respectively.
  • the transmission subcarrier interval St is Si in S0 and S1 (i is 0 or 1)
  • the reference resource interval Rrt is Rri in Rr0 and Rr1 (i is 0 or 1)
  • the terminal U1 is based on the above resource interval Rt.
  • the obtained power difference threshold P thr can satisfy the following formula:
  • C 2 is an integer or a real number
  • log represents a logarithm based on 2, the natural constant e, or 10.
  • the terminal U1 is based on the reference power threshold corresponding to the foregoing resource interval Rt, reference resource interval Rri, and transmission subcarrier interval Si
  • the obtained power difference threshold P thr can satisfy the following formula:
  • C 3 is an integer or a real number
  • m ⁇ represents a power to the base m
  • m can be an integer (such as 1, 2, or 10) or a natural constant e.
  • the content of the configuration information can be reduced, thereby reducing the configuration overhead.
  • the corresponding relationship is predefined.
  • the corresponding relationship between the power difference threshold and the reference resource interval and the transmission subcarrier interval illustrated in this example is predefined.
  • the terminal U1 obtains the power difference threshold P thr according to the resource interval Rt, the reference resource interval Rr, the transmission subcarrier interval St, and the reference subcarrier interval Sr.
  • the resource distance Rt is the distance between the resources of the uplink data and the resources of the side link data
  • the transmission subcarrier interval St is the distance between the uplink data and the side link data.
  • the power difference threshold P thr has a corresponding relationship with the reference resource interval Rr and the reference subcarrier interval Sr.
  • the corresponding relationship may be predefined, or configured or instructed by a network device or other terminal. This correspondence can be understood as the correspondence between the power difference threshold P thr and the reference resource distance Rr under the reference subcarrier interval Sr.
  • the reference subcarrier interval Sr may be predefined or determined by Configured or instructed by network equipment or other terminals.
  • the reference subcarrier interval in the embodiment of the present application can be understood as a subcarrier interval used for reference or as a reference, and the resource interval under other subcarrier intervals can be determined according to the reference subcarrier interval, or according to the subcarrier interval
  • the interval can determine the power difference threshold under other sub-carrier intervals.
  • the reference resource distance in the embodiment of the present application can be understood as a reference resource distance, and other resource distances can be determined according to the reference resource distance, or the power difference threshold corresponding to other resource distances can be determined according to the reference resource distance.
  • the reference power difference threshold may be predefined by the protocol, or may be configured or instructed by the network device or other terminal.
  • the terminal U1 may be based on the resource spacing Rt, the transmission subcarrier spacing St, the reference subcarrier spacing Sr, the reference resource spacing Rr, and the reference power difference threshold corresponding to the reference resource spacing Rr and the reference subcarrier spacing Sr
  • the power difference threshold P thr is obtained .
  • the resource distance Rt is the distance between the resource of the uplink data and the resource of the side link data
  • the reference power difference threshold There is a correspondence with the reference resource interval Rr and the reference subcarrier interval Sr, and the correspondence may be predefined, or may be configured or indicated by a network device or other terminal.
  • the power difference threshold P thr and the resource interval Rt, the transmission subcarrier interval St and the reference power difference threshold Have a corresponding relationship. The corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the network device or the terminal U2 sends the information to the terminal U1
  • the configuration information may be used to configure the correspondence between the reference power difference threshold and the reference resource interval Rr and the reference subcarrier interval Sr.
  • the configuration information in section 330 can be used to configure the correspondence between the reference subcarrier spacing and reference resource spacing and the reference power difference threshold illustrated in Table 6.
  • Sr illustrated in Table 6 represents the reference subcarrier spacing
  • Rr represents the reference resource spacing.
  • the terminal U1 is based on the reference power threshold corresponding to the aforementioned resource spacing Rt, transmission subcarrier spacing St, reference resource spacing Rr, and reference subcarrier spacing St
  • the obtained power difference threshold P thr can satisfy the following formula:
  • C 4 is an integer or a real number
  • log represents a logarithm based on 2, the natural constant e, or 10.
  • the terminal U1 is based on the reference power threshold corresponding to the foregoing resource spacing Rt, transmission subcarrier spacing St, reference resource spacing Rr, and reference subcarrier spacing Sr
  • the obtained power difference threshold P thr can satisfy the following formula:
  • C 5 is an integer or a real number
  • m ⁇ represents a power with m as the base, where m can be an integer (such as 1, 2, or 10) or a natural constant e.
  • the content of the configuration information can be reduced, thereby reducing the configuration overhead.
  • the corresponding relationship is predefined.
  • the corresponding relationship between the power difference threshold and the reference resource interval and the transmission subcarrier interval illustrated in this example is predefined.
  • the corresponding relationship may be as shown in Table 7.
  • the terminal may select the reference resource interval Rri (i is 1, 2, ..., N) closest to the resource interval Rt to calculate the power difference threshold corresponding to the resource interval Rt. For example, if the value of
  • the terminal U1 may obtain the power difference threshold according to the correspondence between the power difference threshold P thr and the reference resource interval Rr and the reference power difference threshold. P thr .
  • the terminal U1 can determine the transmission subcarrier interval St, the reference power difference threshold corresponding to the reference subcarrier interval Sr and the reference resource interval Rr.
  • the power difference threshold P thr and the transmission resource interval Rt under the carrier interval St have a corresponding relationship, and the terminal U1 can rely on the aforementioned power difference threshold P thr and the transmission resource interval Rt, the transmission subcarrier interval St, and the reference subcarrier interval Sr and
  • the power difference threshold P thr is obtained by referring to the corresponding relationship of the resource interval Rr.
  • the terminal U1 obtains the power difference threshold P thr according to the resource interval Rt, the reference resource interval range Rrr, the transmission subcarrier interval St, and the reference subcarrier interval Sr.
  • the resource distance Rt is the distance between the resources of the uplink data and the resources of the side link data
  • the transmission subcarrier interval St is the distance between the uplink data and the side link data.
  • the power difference threshold P thr has a corresponding relationship with the reference resource interval range Rrr. The corresponding relationship may be predefined, or configured or instructed by a network device or other terminal.
  • the reference subcarrier spacing Sr may be predefined or may be Configured or instructed by network equipment or other terminals. It can be understood that the reference subcarrier interval in the embodiments of the present application can be understood as a subcarrier interval used for reference or as a reference, and the resource interval range under other subcarrier intervals can be determined according to the reference subcarrier interval, or according to the reference subcarrier interval. The carrier interval can determine the power difference threshold under other sub-carrier intervals.
  • the reference resource spacing range in the embodiments of the present application can be understood as a resource spacing range used for reference or as a benchmark. According to the reference resource spacing range, other resource spacing ranges can be determined, or the reference resource spacing range can be used to determine the spacing from other resources.
  • the power difference threshold corresponding to the range.
  • the terminal U1 may have a power difference threshold P thr and the reference resource spacing range Rrr. To obtain the power difference threshold P thr .
  • the terminal U1 may determine the transmission subcarrier interval St according to the transmission subcarrier interval St, the reference subcarrier interval Sr, and the reference resource interval range Rrr.
  • the power difference threshold P thr has a corresponding relationship with the transmission resource interval range Rtr, and the transmission resource interval range Rtr includes the aforementioned resource interval Rt, then the terminal U1 can be based on the corresponding relationship between the aforementioned power difference threshold P thr and the transmission resource interval range Rtr
  • the power difference threshold P thr is obtained .
  • the power difference threshold can be determined according to the resource distribution of different subcarrier intervals and different links, so that the power difference threshold under different subcarrier intervals and different resource distributions can be adjusted adaptively, and resource utilization efficiency can be improved.
  • the reference resource spacing range under the reference subcarrier spacing the content of the configuration information can be reduced, thereby reducing the configuration overhead.
  • the configuration information sent by the network device or the terminal U2 to the terminal U1 can be used for The corresponding relationship between the power difference threshold P thr and the reference resource distance range Rrr is configured.
  • the configuration information in section 330 can be used to configure the correspondence between the reference resource spacing range and the power difference threshold under the reference subcarrier spacing Sr illustrated in Table 8.
  • Rrr0 and Rrr1 illustrated in Table 8 indicate two reference resource spacings range.
  • the reference resource interval range Rrrj (j is 0 or 1) in Rrr0 and Rrr1 includes the aforementioned resource interval Rt, and the terminal U1 will obtain the reference resource interval range Rrrj Corresponding power difference threshold
  • the terminal U1 can determine the transmission subcarrier interval St according to the transmission subcarrier interval St, the reference subcarrier interval Sr, and the reference resource interval ranges Rrr0 and Rrr1 Transmission resource spacing range Rtr0 and Rtr1 and power difference threshold with It has the corresponding relationship as shown in Table 9.
  • the transmission resource spacing range Rtrj (j is 0 or 1) in Rtr0 and Rtr1 includes the above-mentioned resource spacing Rt, and the terminal U1 will obtain the power difference threshold corresponding to the transmission resource spacing range Rtrj
  • Dtrj_min Drrj_min*
  • , Dtrj_max Drrj_max*
  • Dtrj_min Drrj_min ⁇
  • , Dtrj_max Drrj_max ⁇
  • Dtrj_min Drrj_min*2
  • Dtrj_max Drrj_max*2
  • Dtrj_min Drrj_min ⁇ 2
  • Dtrj_max Drrj_max ⁇ 2
  • Dtrj_min and Drrj_min and between Dtrj_max and Drrj_max may be predefined, or may be configured or instructed by a network device or other terminal.
  • the corresponding relationship is predefined.
  • the corresponding relationship between the power difference threshold and the reference resource spacing range illustrated in this example is predefined.
  • the terminal U1 obtains the power difference threshold P thr according to the resource interval Rt, the reference resource interval range Rrr, the transmission subcarrier interval St, and the reference subcarrier interval Sr.
  • the reference resource spacing range Rrr and the reference subcarrier spacing Sr correspond to the reference power difference threshold
  • the configuration information sent by the network device or the terminal U2 to the terminal U1 can be used for configuration
  • the above power difference threshold Correspondence with the reference resource spacing range Rrr and the reference subcarrier spacing Sr.
  • the configuration information in section 330 can be used to configure the correspondence between the reference resource interval range and the power difference threshold under the reference subcarrier interval Sr illustrated in Table 10.
  • Rrr illustrated in Table 10 represents the reference resource interval range, and Sr represents Reference subcarrier spacing.
  • one or more other reference resource spacing ranges and one or more reference power differences corresponding to the other one or more reference resource spacing ranges can be obtained Threshold. For example, it can be determined as follows.
  • the reference resource distance range Rrr be [Rrr_min, Rrr_max], where Rrr_min and Rrr_max represent the minimum and maximum value of the reference resource distance in the reference resource distance range Rrr.
  • One or more additional reference resource distance ranges can be determined according to the reference resource distance range.
  • the additional reference resource distance range is [Rrri_min, Rrri_max], where i can take values of 0, 1, ..., N.
  • Rrri_min and Rrri_max can satisfy the following formula:
  • Rrri_min and Rrr_max and Rrr_min may be predefined, or may be configured or indicated by a network device or other terminal.
  • the reference power difference threshold corresponding to the reference resource spacing range Rrri Can be based on the reference resource spacing range Rrr and the reference power threshold Determine that the reference power difference threshold Distance from reference resource range Rrri, reference resource distance range Rrr, and reference power threshold Have a corresponding relationship.
  • the corresponding relationship may be predefined, or configured or indicated by a network device or other terminal. Among them, i can take the value 0, 1, ..., N. Among them, N is a positive integer.
  • the terminal U1 is based on the reference resource distance range Rrri and the reference resource distance range Rrr, and the reference power difference threshold Obtained power difference threshold The following formula can be satisfied:
  • C 6 is an integer or a real number
  • log represents a logarithm based on 2, the natural constant e, or 10.
  • the terminal U1 is based on the reference resource distance range Rrri and the reference resource distance range Rrr, and the reference power difference threshold Obtained power difference threshold The following formula can be satisfied:
  • C 7 is an integer or a real number
  • m ⁇ represents a power with m as the base, where m can be an integer (such as 1, 2, or 10) or a natural constant e.
  • the reference power difference threshold corresponding to the reference resource spacing range Rrri Can be based on the reference power threshold Determine that the reference power difference threshold With reference power threshold Have a corresponding relationship.
  • the corresponding relationship may be predefined, or configured or indicated by a network device or other terminal. Among them, i can take the value 0, 1, ..., N. Among them, N is a positive integer.
  • the terminal U1 is based on the reference resource distance range Rrri and the reference resource distance range Rrr, and the reference power difference threshold Obtained power difference threshold The following formula can be satisfied:
  • C 8 is an integer or a real number.
  • the terminal U1 is based on the reference resource distance range Rrri and the reference resource distance range Rrr, and the reference power difference threshold Obtained power difference threshold The following formula can be satisfied:
  • C 9 is an integer or a real number.
  • the content in Table 11 below can be obtained, that is, one can be determined according to a reference resource spacing and a corresponding reference power difference threshold. Or multiple reference resource intervals and corresponding one or more reference power difference thresholds. For details, reference may be made to the above manner, or other manners may also be adopted, and specifically, this application does not limit this.
  • the content of the configuration information can be reduced, thereby reducing the configuration overhead.
  • the reference resource interval range in Rrri (i can take a value of 0, 1, 2, ..., N) includes the above resource interval Rt, and the terminal U1 will obtain Power difference threshold corresponding to the reference resource spacing range Rrri
  • the terminal U1 can determine the transmission resource under the transmission subcarrier interval St according to the transmission subcarrier interval St, the reference subcarrier interval Sr, and the reference resource interval range Rrri Spacing range Rtri and power difference threshold It has the corresponding relationship as shown in Table 12.
  • the transmission resource spacing range Rtri in Rtri (i is 0, 1,..., N) includes the above resource spacing Rt, and the terminal U1 will obtain the power difference threshold corresponding to the transmission resource spacing range Rtri
  • the power difference threshold corresponding to the transmission subcarrier interval and the transmission resource interval range may be obtained.
  • the following Table 12 can be obtained, that is, the transmission subcarrier spacing and the transmission resource spacing range correspond to The power difference threshold.
  • the power difference threshold it can be determined as follows. Alternatively, other methods may also be used, and specifically, this application does not limit this.
  • Drri_min and Drri_max respectively represent the minimum and maximum values of the reference resource distance in the reference resource distance range Rrri
  • Dtri_min and Dtri_max respectively represent the minimum and maximum values of the transmission resource distance in the transmission resource distance range Rtri.
  • the above Dtri_min and Dtri_max can satisfy the following formula:
  • Dtri_min Drri_min*
  • , Dtri_max Drri_max*
  • Dtri_min Drri_min ⁇
  • , Dtri_max Drri_max ⁇
  • Dtri_min Drri_min*2
  • Dtri_max Drri_max*2
  • Dtri_min Drri_min ⁇ 2
  • Dtri_max Drri_max ⁇ 2
  • Dtri_min and Drri_min, and Dtri_max and Drri_max may be predefined, or may be configured or instructed by a network device or other terminal.
  • the power difference threshold corresponding to the transmission subcarrier interval and the transmission resource interval range is the same as the reference power difference threshold. That is, under the transmission subcarrier interval, the power difference threshold corresponding to the transmission resource interval range Rtri is equal to the power difference threshold corresponding to the reference resource interval range Rrri under the reference subcarrier interval.
  • the following Table 12 can be obtained, that is, the transmission subcarrier spacing and the transmission resource spacing range correspond to The power difference threshold.
  • Table 12 For details, reference may be made to the above manner, or other manners may also be adopted, and specifically, this application does not limit this.
  • the corresponding relationship is predefined.
  • the corresponding relationship between the power difference threshold and the reference resource spacing range illustrated in this example is predefined.
  • the method may further include part 340: the terminal U1 reports the power difference capability and/or the resource spacing capability to the network device or the terminal U2, and the network device or the terminal U2 receives the Power difference capability and/or resource spacing capability.
  • the above-mentioned power difference capability includes one or more of the following: the maximum power difference supported by the uplink and the side link (also can be understood as the maximum power difference supported by the uplink and the side link on the same time domain resources) Maximum power difference), the minimum power difference supported by the uplink and the side link (also can be understood as the minimum power difference supported by the uplink and the side link on the same time domain resource), or the uplink
  • the power difference range supported by the road and side links also can be understood as the power difference range supported by the uplink and side links on the same time domain resources).
  • the aforementioned resource spacing capabilities include one or more of the following: the maximum resource spacing supported by the uplink and the side link, the minimum resource spacing supported by the uplink and the side link, or the uplink and the side link The range of resource spacing supported by the link.
  • the network device or terminal U2 After receiving the aforementioned power difference capability and/or resource spacing capability, the network device or terminal U2 can allocate uplink power and/or side link power to the terminal U1 according to the power difference capability and/or resource spacing capability, thereby Can improve the use efficiency of power resources.
  • FIG. 5 is a schematic diagram of interaction of another communication method provided by an embodiment of this application. As shown in FIG. 5, the method of this embodiment may include:
  • Part 500 The terminal U1 reports the power difference capability and/or resource spacing capability to the network device or terminal U2, and the network device or terminal U2 receives the power difference capability and/or resource spacing capability.
  • the power difference capability and the resource spacing capability refer to the description of part 340 in FIG. 3.
  • the network device or terminal U2 sends power control information to the terminal U1, and the terminal U1 receives the power control information.
  • the power control information includes power parameters for determining the uplink power and the side link power.
  • the power parameter may include one or more of the following parameters: closed-loop power parameters, or open-loop power parameters, etc., wherein the number of the closed-loop power parameters may be one or more, and the number of the open-loop power parameters There can be one or more.
  • the closed-loop power parameter may refer to the power parameter in the closed-loop power calculation, such as power control signaling in physical layer signaling, specifically, for example, transmission power control (TPC) in downlink control information. Signaling etc.
  • the open-loop power parameter may refer to the power parameter in the open-loop power calculation, such as a path loss compensation factor, the maximum transmission power of the terminal, and so on.
  • closed-loop power control may mean that the transmitting end controls the transmitting power according to the feedback information sent by the receiving end.
  • Open-loop power control can mean that it does not require feedback information from the receiving end and performs power control based on its own measurement.
  • Part 520 The terminal U1 determines the uplink power and the side link power according to the above power control information, that is, the terminal U1 determines the uplink power and usage for transmitting uplink data according to the power parameters in the above power control information.
  • Part 530 The terminal U1 sends uplink data to the network device according to the uplink power, and sends side link data to the terminal U2 according to the side link power.
  • the network device receives the uplink data from the terminal U1, and the terminal U2 receives the side link data from the terminal U1.
  • the network device or other terminal can allocate appropriate power parameters to the terminal according to the power difference capability and/or resource spacing capability reported by the terminal, so that the terminal can determine the uplink power and the side link power based on the power parameter. It can overcome the indicator constraints when sharing the transmission link, and realize the concurrency of uplink data and side link data, thereby improving transmission efficiency.
  • FIG. 6 is a schematic diagram of interaction of another communication method provided by an embodiment of this application. As shown in Figure 6, the method of this embodiment may include:
  • the terminal U1 determines the power headroom according to the power difference threshold P thr .
  • the power headroom includes one or more of the following: uplink power headroom Uplink minimum power headroom Maximum uplink power headroom Side link power headroom Minimum power headroom of side link Or the maximum power margin of the side link
  • the power headroom in this application may also be referred to as headroom power, power headroom report (PHR), power redundancy, redundant power, surplus power, or power surplus, etc.
  • PHR power headroom report
  • P thr reference may be made to the description of the power difference threshold in the method illustrated in FIG. 3, which is not repeated here.
  • the terminal U1 reports the above-mentioned power headroom to the network equipment and/or the terminal U2. In a possible implementation manner, the terminal U1 reports the above-mentioned power headroom to the network device through PUSCH or PUCCH. In another possible implementation manner, the terminal U1 reports the above-mentioned power headroom to the terminal U2 through PSSCH, PSCCH, PSDCH, PSBCH, or PSFCH. In another possible implementation manner, the terminal U1 reports the above-mentioned power headroom to the network device through PUSCH or PUCCH, and reports the above-mentioned power headroom to the terminal U2 through PSSCH, PSCCH, PSDCH, PSBCH, or PSFCH.
  • the terminal can determine the reported power headroom according to the power difference threshold, so that the reported power headroom is more accurate.
  • the method illustrated in FIG. 6 may be implemented in combination with the method illustrated in FIG. 3, that is, part 600 and part 610 in FIG. 6 may be executed in the method illustrated in FIG. 3. It can be understood that, in the method illustrated in FIG. 3, the execution order of the 600 part and the 610 part may be after the 320 part, but this application does not limit the execution order between the 300 and 310 parts and the 600 and 610 parts.
  • the terminal U1 determines the uplink power headroom according to the power difference threshold P thr In a possible implementation manner, the terminal U1 determines the uplink power headroom according to the power difference threshold P thr , the uplink power P UL and the side link power P SL The uplink power headroom The following formula can be satisfied:
  • the terminal U1 determines the uplink power headroom according to the power difference threshold P thr , the uplink power P UL , the side link power P SL and the terminal maximum transmit power P UEmax Among them, the terminal maximum transmit power P UEmax may be predefined, or configured or instructed by the network device or the terminal U2.
  • the uplink power headroom The following formula can be satisfied, where min ⁇ x,y ⁇ represents the smaller value of x and y:
  • the terminal U1 determines the uplink power headroom according to the power difference threshold P thr , the uplink power P UL , the side link power P SL and the maximum uplink power P ULmax Among them, the maximum uplink power P ULmax may be predefined, or configured or indicated by the network device or the terminal U2.
  • the uplink power headroom The following formula can be satisfied:
  • the terminal U1 determines the side link power headroom according to the power difference threshold P thr In a possible implementation manner, the terminal U1 determines the side link power headroom according to the power difference threshold P thr , the uplink power P UL and the side link power P SL The side link power headroom The following formula can be satisfied:
  • the terminal U1 determines the side link power headroom according to the power difference threshold P thr , the uplink power P UL , the side link power P SL and the terminal maximum transmit power P UEmax Among them, the terminal maximum transmit power P UEmax may be predefined, or configured or instructed by the network device or the terminal U2.
  • the side link power headroom The following formula can be satisfied:
  • the terminal U1 determines the side link power headroom according to the power difference threshold P thr , the uplink power P UL , the side link power P SL and the maximum side link power P SLmax Among them, the maximum side link power P SLmax may be predefined, or configured or instructed by the network device or the terminal U2.
  • the side link power headroom The following formula can be satisfied:
  • the terminal U1 determines the minimum uplink power headroom according to the power difference threshold P thr
  • the minimum power headroom of the uplink It can be understood as the power headroom of the uplink when the side link uses the minimum power P SLmin .
  • the terminal U1 determines the uplink minimum power headroom according to the power difference threshold P thr , the side link minimum power P SLmin and the uplink power P UL Among them, the side link minimum power P SLmin may be predefined, or configured or instructed by the network device or the terminal U2.
  • the uplink minimum power headroom The following formula can be satisfied:
  • the terminal U1 determines the uplink minimum power margin according to the power difference threshold P thr , the side link minimum power P SLmin , the uplink power P UL and the terminal maximum transmit power P UEmax the amount Among them, the terminal maximum transmit power P UEmax may be predefined, or configured or instructed by the network device or the terminal U2.
  • the minimum power P SLmin of the side link may be predefined, or configured or indicated by the network device or the terminal U2.
  • the uplink minimum power headroom The following formula can be satisfied:
  • the terminal U1 determines the minimum uplink power according to the power difference threshold P thr , the minimum side link power P SLmin , the uplink power P UL and the maximum uplink power P ULmax margin Among them, the maximum uplink power P ULmax may be predefined, or configured or indicated by the network device or the terminal U2.
  • the minimum power P SLmin of the side link may be predefined, or configured or indicated by the network device or the terminal U2.
  • the uplink minimum power headroom The following formula can be satisfied:
  • the terminal U1 determines the maximum uplink power headroom according to the power difference threshold P thr Maximum power headroom for this uplink It can be understood as the power headroom of the uplink when the side link uses the maximum power P SLmax .
  • the terminal U1 determines the uplink maximum power headroom according to the power difference threshold P thr , the side link maximum power P SLmax and the uplink power P UL Wherein, the maximum power P SLmax of the side link may be predefined, or configured or indicated by the network device or the terminal U2.
  • the uplink maximum power headroom The following formula can be satisfied:
  • the terminal U1 determines the uplink maximum power margin according to the power difference threshold P thr , the side link maximum power P SLmax , the uplink power P UL and the terminal maximum transmit power P UEmax the amount Among them, the terminal maximum transmit power P UEmax may be predefined, or configured or instructed by the network device or the terminal U2. The maximum side link power P SLmax may be predefined, or configured or indicated by the network device or the terminal U2.
  • the uplink maximum power headroom The following formula can be satisfied:
  • the terminal U1 determines the maximum uplink power according to the power difference threshold P thr , the maximum side link power P SLmax , the uplink power P UL and the maximum uplink power P ULmax margin Among them, the maximum uplink power P ULmax may be predefined, or configured or indicated by the network device or the terminal U2. The maximum side link power P SLmax may be predefined, or configured or indicated by the network device or the terminal U2.
  • the uplink maximum power headroom The following formula can be satisfied:
  • the terminal U1 determines the minimum power headroom of the side link according to the power difference threshold P thr
  • the minimum power margin of the side link It can be understood as the power margin of the side link when the uplink uses the minimum power P ULmin .
  • the terminal U1 determines the side link minimum power headroom according to the power difference threshold P thr , the uplink minimum power P ULmin and the side link power P SL
  • the minimum uplink power P ULmin may be predefined, or configured or indicated by the network device or the terminal U2.
  • the minimum power headroom of the side link The following formula can be satisfied:
  • the terminal U1 determines the side link minimum power according to the power difference threshold P thr , the uplink minimum power P ULmin , the side link power P SL and the terminal maximum transmit power P UEmax margin Among them, the terminal maximum transmit power P UEmax may be predefined, or configured or instructed by the network device or the terminal U2. The minimum uplink power P ULmin may be predefined, or configured or indicated by the network device or the terminal U2. The minimum power headroom of the side link The following formula can be satisfied:
  • the terminal U1 determines the side link according to the power difference threshold P thr , the minimum uplink power P ULmin , the side link power P SL and the maximum side link power P SLmax Minimum power headroom Among them, the maximum side link power P SLmax may be predefined, or may be configured or indicated by the network device or the terminal U2. The minimum uplink power P ULmin may be predefined, or configured or indicated by the network device or the terminal U2. The minimum power headroom of the side link The following formula can be satisfied:
  • the terminal U1 determines the maximum power headroom of the side link according to the power difference threshold P thr
  • the maximum power margin of the side link It can be understood as the power headroom of the side link when the uplink uses the maximum power P ULmax .
  • the terminal U1 determines the side link maximum power headroom according to the power difference threshold P thr , the uplink maximum power P ULmax and the side link power P SL Among them, the uplink maximum power P ULmax may be predefined, or configured or indicated by the network device or the terminal U2.
  • Maximum power margin of the side link The following formula can be satisfied:
  • the terminal U1 determines the maximum side link power according to the power difference threshold P thr , the maximum uplink power P ULmax , the side link power P SL and the terminal maximum transmit power P UEmax margin Among them, the terminal maximum transmit power P UEmax may be predefined, or configured or instructed by the network device or the terminal U2. The uplink maximum power P ULmax may be predefined, or configured or indicated by the network device or the terminal U2. Maximum power margin of the side link The following formula can be satisfied:
  • the terminal U1 determines the side link according to the power difference threshold P thr , the maximum uplink power P ULmax , the side link power P SL and the maximum side link power P SLmax Maximum power headroom Among them, the maximum side link power P SLmax may be predefined, or may be configured or indicated by the network device or the terminal U2. The uplink maximum power P ULmax may be predefined, or configured or indicated by the network device or the terminal U2. Maximum power margin of the side link The following formula can be satisfied:
  • the corresponding relationships shown in the above tables can be configured or pre-defined.
  • the value of the information in each table is only an example and can be configured to other values, which is not limited in this application.
  • it is not necessarily required to configure all the correspondences indicated in the tables.
  • the corresponding relationship shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, and so on.
  • the names of the parameters indicated in the titles in the above tables may also adopt other names that the communication device can understand, and the values or expression modes of the parameters may also be other values or expression modes that the communication device understands.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables. Wait.
  • the pre-definition in this application can be understood as definition, protocol definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, curing, or pre-burning.
  • the description of the relationship between a and b (which can also be understood as a functional relationship) involved in this application does not force a and b to accurately meet the relationship.
  • the value a'and the value b exactly satisfy the above relationship
  • the value a obtained by de-floating, rounding, or rounding the value a' can also be understood as a and b satisfying the above relationship.
  • a and b satisfying the relationship may also refer to a relationship in which a and b satisfy the relationship after equivalent modification, which is not limited in the embodiment of the present application.
  • the embodiment of the present application does not limit the specific implementation manner of satisfying the relationship between a and b.
  • the mapping manner may be implemented through a formula, or the mapping manner may be implemented in the form of a table, or the mapping manner may also be implemented through It can be implemented in other ways, which is not limited in the embodiment of the present application.
  • the methods implemented by the communication device in the foregoing method embodiments may also be implemented by components (for example, integrated circuits, chips, etc.) that can be used for communication devices.
  • the embodiment of the present application also provides a corresponding communication device (also referred to as a communication device).
  • the communication device includes a corresponding communication device for executing each part of the foregoing embodiment.
  • Module can be software, hardware, or a combination of software and hardware.
  • FIG. 7 shows a schematic structural diagram of a communication device.
  • the communication device 700 may be the network device 10 or 20 in FIG. 1, or may be the terminal 11, 12, 21, or 22 in FIG.
  • the communication device may be used to implement the method corresponding to the communication device or node described in the foregoing method embodiment. For details, refer to the description in the foregoing method embodiment.
  • the communication device 700 may include one or more processors 701, and the processor 701 may also be referred to as a processing unit, which may implement certain control functions.
  • the processor 701 may be a general-purpose processor or a special-purpose processor. For example, it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processor can be used to control communication devices (such as base stations, baseband chips, DUs or CUs, etc.), execute software programs, and process data in the software programs.
  • the processor 701 may also store instructions and/or data 703, and the instructions and/or data 703 may be executed by the processor, so that the communication device 700 executes the foregoing method embodiments.
  • the method described in corresponds to the communication device.
  • the processor 701 may include a transceiver unit for implementing receiving and sending functions.
  • the transceiver unit may be a transceiver circuit or an interface.
  • the circuits or interfaces used to implement the receiving and sending functions can be separate or integrated.
  • the communication device 700 may include a circuit, and the circuit may implement the sending or receiving or communication function in the foregoing method embodiment.
  • the communication device 700 may include one or more memories 702, on which instructions 704 may be stored, and the instructions may be executed on the processor, so that the communication device 700 executes the foregoing method implementation.
  • data may also be stored in the memory.
  • instructions and/or data may also be stored in the processor.
  • the processor and memory can be provided separately or integrated together.
  • the various correspondence relationships described in the foregoing method embodiments may be stored in a memory or in a processor.
  • the communication device 700 may further include a transceiver 705 and/or an antenna 706.
  • the processor 701 may be called a processing unit, and controls a communication device (terminal or network device).
  • the transceiver 705 may be called a transceiver unit, a transceiver, a transceiver circuit or a transceiver, etc., and is used to implement the transceiver function of the communication device.
  • an apparatus 700 may include a processor 701 and a transceiver 705.
  • the processor 701 obtains the power difference threshold, and determines the uplink power and the side link power according to the power difference threshold.
  • the transceiver 705 transmits uplink data according to the uplink power, and transmits side uplink data according to the side link power.
  • the difference between the uplink power and the side link power is less than or equal to the power difference threshold.
  • the terminal can determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is smaller than the power difference threshold, so that the When the transmission link is shared between the road and the side link, the index constraint is overcome, and the concurrency of the uplink data and the side link data is realized, thereby improving the transmission efficiency.
  • the processor 701 obtains the power difference threshold according to a resource interval, where the resource interval is the resource of the uplink data and the resource of the sidelink data
  • the power difference threshold has a corresponding relationship with the resource distance range where the resource distance is located.
  • the power difference threshold has a corresponding relationship with the resource spacing range in which the resource spacing is located and the transmission sub-carrier spacing, wherein the transmission sub-carrier spacing is the uplink data and the side link
  • the processor 701 obtains the power difference threshold according to the resource interval and the transmission subcarrier interval.
  • the processor 701 obtains the power difference threshold according to the resource interval and the reference resource interval, where the resource interval is the resource of the uplink data and the side-link The distance between the resources of the channel data, and the power difference threshold has a corresponding relationship with the reference resource distance.
  • the power difference threshold has a corresponding relationship with the reference resource interval and the transmission sub-carrier interval, wherein the transmission sub-carrier interval is a sub-carrier corresponding to the uplink data and the side-link data. Carrier spacing.
  • the processor 701 obtains the power difference threshold according to the resource spacing, the reference resource spacing, and the transmission subcarrier spacing.
  • the processor 701 obtains the power difference threshold according to the resource spacing, the reference resource spacing range, the transmission subcarrier spacing, and the reference subcarrier spacing, where the resource spacing is the uplink
  • the transmission subcarrier interval is the subcarrier interval corresponding to the uplink data and the side link data
  • the power difference threshold It has a corresponding relationship with the reference resource distance range.
  • the transceiver 705 reports the power difference capability and/or the resource spacing capability to the network device.
  • the power difference capability includes one or more of the following: the maximum power difference supported by the uplink and the side link, the minimum power difference supported by the uplink and the side link, or the uplink The power difference range supported by the side link.
  • the resource spacing capability includes one or more of the following: the maximum resource spacing supported by the uplink and the side link, the minimum resource spacing supported by the uplink and the side link, or the uplink and the side link The range of resource spacing supported by the uplink.
  • the processor 701 determines the power headroom according to the power difference threshold, and the transceiver 705 reports the power headroom to the network device.
  • the power headroom includes uplink power headroom and/or side link power headroom.
  • an apparatus 700 may include a transceiver 705.
  • the transceiver 705 sends configuration information to the terminal, where the configuration information is used to configure the power difference threshold.
  • the transceiver 705 receives uplink data or side link data from the terminal, wherein the difference between the uplink power of the uplink data and the side link power of the side link data Less than or equal to the power difference threshold.
  • the device provided in the embodiment of the present application can enable the terminal to determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is less than the power difference threshold, so that the When the link and the side link share the transmission link, the index constraint is overcome, and the concurrency of the uplink data and the side link data is realized, thereby improving the transmission efficiency.
  • the configuration information is used to configure the corresponding relationship between the power difference threshold and the resource spacing range where the resource spacing is located, wherein the resource spacing is the value of the uplink data The distance between the resource and the resource of the side link data.
  • the configuration information is used to configure the corresponding relationship between the power difference threshold and the resource spacing range in which the resource spacing is located and transmission subcarrier spacing, wherein the transmission subcarrier spacing is the uplink data The sub-carrier interval corresponding to the side link data.
  • the configuration information is used to configure the correspondence between the power difference threshold and the reference resource interval.
  • the configuration information is used to configure the corresponding relationship between the power difference threshold and the reference resource interval and transmission subcarrier interval, wherein the transmission subcarrier interval is the uplink data and the side The subcarrier interval corresponding to the uplink data.
  • the configuration information is used to configure the correspondence between the power difference threshold and the reference resource interval range.
  • the transceiver 705 receives the power difference capability and/or the resource spacing capability from the terminal.
  • the power difference capability includes one or more of the following: the maximum power difference supported by the uplink and the side link, the minimum power difference supported by the uplink and the side link, or the uplink The power difference range supported by the side link.
  • the resource spacing capability includes one or more of the following: the maximum resource spacing supported by the uplink and the side link, the minimum resource spacing supported by the uplink and the side link, or the uplink and the side link The range of resource spacing supported by the uplink.
  • the transceiver 705 receives the power headroom from the terminal.
  • the power headroom includes uplink power headroom and/or side link power headroom.
  • the processor and transceiver described in this application can be implemented in integrated circuit (IC), analog IC, radio frequency integrated circuit RFIC, mixed signal IC, application specific integrated circuit (ASIC), printed circuit board ( printed circuit board, PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), and P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (Bipolar Junction Transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device is described by taking a network device or a terminal as an example, the scope of the communication device described in this application is not limited to this, and the structure of the communication device may not be limited by FIG. 5.
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the device may be:
  • the IC collection may also include storage components for storing data and/or instructions;
  • ASIC such as modem (MSM)
  • FIG. 8 provides a schematic structural diagram of a terminal.
  • the terminal can be applied to the system shown in Figure 1.
  • FIG. 8 only shows the main components of the terminal.
  • the terminal 800 includes a processor, a memory, a control circuit, an antenna, and an input and output device.
  • the processor is mainly used to process the communication protocol and communication data, and to control the entire terminal, execute the software program, and process the data of the software program.
  • the memory is mainly used to store software programs and data.
  • the radio frequency circuit is mainly used for the conversion of baseband signal and radio frequency signal and the processing of radio frequency signal.
  • the antenna is mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, and keyboards, are mainly used to receive data input by users and output data to users.
  • the processor can read the software program in the storage unit, parse and execute the instructions of the software program, and process the data of the software program.
  • the processor performs baseband processing on the data to be sent, and outputs the baseband signal to the radio frequency circuit.
  • the radio frequency circuit processes the baseband signal to obtain a radio frequency signal and sends the radio frequency signal out in the form of electromagnetic waves through the antenna. .
  • the radio frequency circuit receives the radio frequency signal through the antenna, the radio frequency signal is further converted into a baseband signal, and the baseband signal is output to the processor, and the processor converts the baseband signal into data and performs processing on the data. deal with.
  • FIG. 8 only shows a memory and a processor. In an actual terminal, there may be multiple processors and memories.
  • the memory may also be referred to as a storage medium or a storage device, etc., which is not limited in the embodiment of the present invention.
  • the processor may include a baseband processor and a central processing unit.
  • the baseband processor is mainly used to process communication protocols and communication data.
  • the central processing unit is mainly used to control the entire terminal and execute software. Programs, which process the data of software programs.
  • the processor in FIG. 8 integrates the functions of the baseband processor and the central processing unit.
  • the baseband processor and the central processing unit may also be independent processors and are interconnected by technologies such as buses.
  • the terminal may include multiple baseband processors to adapt to different network standards, the terminal may include multiple central processors to enhance its processing capabilities, and various components of the terminal may be connected through various buses.
  • the baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip.
  • the central processing unit can also be expressed as a central processing circuit or a central processing chip.
  • the function of processing the communication protocol and communication data can be built in the processor, or can be stored in the storage unit in the form of a software program, and the processor executes the software program to realize the baseband processing function.
  • the antenna and control circuit with the transceiver function may be regarded as the transceiver unit 811 of the terminal 800, and the processor with the processing function may be regarded as the processing unit 812 of the terminal 800.
  • the terminal 800 includes a transceiver unit 811 and a processing unit 812.
  • the transceiver unit may also be referred to as a transceiver, a transceiver, a transceiver, and so on.
  • the device for implementing the receiving function in the transceiving unit 811 can be regarded as the receiving unit, and the device for implementing the sending function in the transceiving unit 811 can be regarded as the sending unit, that is, the transceiving unit 811 includes a receiving unit and a sending unit.
  • the receiving unit may also be called a receiver, a receiver, a receiving circuit, etc.
  • the sending unit may be called a transmitter, a transmitter, or a transmitting circuit, etc.
  • the foregoing receiving unit and sending unit may be an integrated unit or multiple independent units.
  • the above-mentioned receiving unit and sending unit may be in one geographic location, or may be scattered in multiple geographic locations.
  • the communication device may be a terminal (for example, the terminal in the system shown in FIG. 1) or a component of the terminal (for example, an integrated circuit, a chip, etc.).
  • the communication device may also be a network device (for example, the communication device is a base station device that can be applied to the system of FIG. 1), or a component of the network device (for example, an integrated circuit, a chip, etc.).
  • the communication device may also be another communication module, which is used to implement the operation corresponding to the communication device or node in the method embodiment of the present application.
  • the communication device 900 may include: a processing module 902 (processing unit).
  • the communication device 900 may also include a transceiving module 901 (transceiving unit) and/or a storage module 903 (storing unit).
  • one or more modules as shown in Figure 9 may be implemented by one or more processors, or by one or more processors and memories; or by one or more processors It can be implemented with a transceiver; or implemented by one or more processors, memories, and transceivers, which is not limited in the embodiment of the present application.
  • the processor, memory, and transceiver can be set separately or integrated.
  • the communication device has the function of implementing the terminal described in the embodiment of this application.
  • the communication device includes the module or unit or means corresponding to the terminal to execute the steps described in the embodiment of this application.
  • the function or unit or means can be realized by software, or by hardware, or by hardware executing corresponding software.
  • the communication device has the function of implementing the network equipment described in the embodiments of the present application.
  • the communication device includes the modules or units or means corresponding to the steps involved in the network equipment described in the embodiments of the present application. ), the function or unit or means can be realized by software, or by hardware, or by hardware executing corresponding software.
  • the function or unit or means can be realized by software, or by hardware, or by hardware executing corresponding software.
  • each module in the communication device 900 in the embodiment of the present application may be used to execute the method described in FIG. 3, FIG. 5, or FIG. 6 in the embodiment of the present application.
  • an apparatus 900 may include a transceiver module 901 and a processing module 902.
  • the processing module 902 obtains the power difference threshold, and determines the uplink power and the side link power according to the power difference threshold.
  • the transceiver module 901 transmits uplink data according to the uplink power, and transmits side uplink data according to the side link power.
  • the difference between the uplink power and the side link power is less than or equal to the power difference threshold.
  • the terminal can determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is smaller than the power difference threshold, so that the When the transmission link is shared between the road and the side link, the index constraint is overcome, and the concurrency of the uplink data and the side link data is realized, thereby improving the transmission efficiency.
  • the processing module 902 obtains the power difference threshold according to a resource interval, where the resource interval is the resource of the uplink data and the resource of the sidelink data
  • the power difference threshold has a corresponding relationship with the resource distance range where the resource distance is located.
  • the power difference threshold has a corresponding relationship with the resource spacing range in which the resource spacing is located and the transmission sub-carrier spacing, wherein the transmission sub-carrier spacing is the uplink data and the side link
  • the processing module 902 obtains the power difference threshold according to the resource interval and the transmission subcarrier interval.
  • the processing module 902 obtains the power difference threshold value according to the resource interval and the reference resource interval, where the resource interval is the resource of the uplink data and the side link The distance between the resources of the channel data, and the power difference threshold has a corresponding relationship with the reference resource distance.
  • the power difference threshold has a corresponding relationship with the reference resource interval and the transmission sub-carrier interval, wherein the transmission sub-carrier interval is a sub-carrier corresponding to the uplink data and the side-link data.
  • Carrier spacing the processing module 902 obtains the power difference threshold according to the resource spacing, the reference resource spacing, and the transmission subcarrier spacing.
  • the processing module 902 obtains the power difference threshold value according to the resource interval, the reference resource interval range, the transmission subcarrier interval, and the reference subcarrier interval, where the resource interval is the uplink The distance between the resource of the link data and the resource of the side link data, the transmission subcarrier interval is the subcarrier interval corresponding to the uplink data and the side link data, and the power difference threshold It has a corresponding relationship with the reference resource distance range.
  • the transceiver module 901 reports the power difference capability and/or the resource spacing capability to the network device.
  • the power difference capability includes one or more of the following: the maximum power difference supported by the uplink and the side link, the minimum power difference supported by the uplink and the side link, or the uplink The power difference range supported by the side link.
  • the resource spacing capability includes one or more of the following: the maximum resource spacing supported by the uplink and the side link, the minimum resource spacing supported by the uplink and the side link, or the uplink and the side link The range of resource spacing supported by the uplink.
  • the processing module 902 determines the power headroom according to the power difference threshold, and the transceiver module 901 reports the power headroom to the network device.
  • the power headroom includes uplink power headroom and/or side link power headroom.
  • a device 900 may include a transceiver module 901.
  • the transceiver module 901 sends configuration information to the terminal, where the configuration information is used to configure the power difference threshold.
  • the transceiver module 901 receives uplink data or side link data from the terminal, where the difference between the uplink power of the uplink data and the side link power of the side link data Less than or equal to the power difference threshold.
  • the device provided in the embodiment of the present application can enable the terminal to determine the uplink power and the side link power according to the power difference threshold, so that the difference between the uplink power and the side link power is less than the power difference threshold, so that the When the link and the side link share the transmission link, the index constraint is overcome, and the concurrency of the uplink data and the side link data is realized, thereby improving the transmission efficiency.
  • the configuration information is used to configure the correspondence between the power difference threshold and the resource spacing range where the resource spacing is located, where the resource spacing is the value of the uplink data.
  • the configuration information is used to configure the corresponding relationship between the power difference threshold and the resource spacing range in which the resource spacing is located and transmission subcarrier spacing, wherein the transmission subcarrier spacing is the uplink data The sub-carrier interval corresponding to the side link data.
  • the configuration information is used to configure the correspondence between the power difference threshold and the reference resource interval.
  • the configuration information is used to configure the corresponding relationship between the power difference threshold and the reference resource interval and transmission subcarrier interval, wherein the transmission subcarrier interval is the uplink data and the side The subcarrier interval corresponding to the uplink data.
  • the configuration information is used to configure the correspondence between the power difference threshold and the reference resource interval range.
  • the transceiver module 901 receives the power difference capability and/or resource spacing capability from the terminal.
  • the power difference capability includes one or more of the following: the maximum power difference supported by the uplink and the side link, the minimum power difference supported by the uplink and the side link, or the uplink The power difference range supported by the side link.
  • the resource spacing capability includes one or more of the following: the maximum resource spacing supported by the uplink and the side link, the minimum resource spacing supported by the uplink and the side link, or the uplink and the side link The range of resource spacing supported by the uplink.
  • the transceiver module 901 receives the power headroom from the terminal.
  • the power headroom includes uplink power headroom and/or side link power headroom.
  • the technology described in this application can be implemented in various ways. For example, these technologies can be implemented in hardware, software, or a combination of hardware.
  • the processing unit used to execute these technologies at a communication device can be implemented on one or more general-purpose processors, digital signal processors (DSP), digital Signal processing device (DSPD), application specific integrated circuit (ASIC), programmable logic device (PLD), field programmable gate array (FPGA), or other programmable logic device, discrete gate or transistor logic, discrete hardware component, or the above In any combination.
  • DSP digital signal processors
  • DSPD digital Signal processing device
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • the general-purpose processor may be a microprocessor, and optionally, the general-purpose processor may also be any traditional processor, controller, microcontroller, or state machine.
  • the processor can also be implemented by a combination of computing devices, such as a digital signal processor and a microprocessor, multiple microprocessors, one or more microprocessors combined with a digital signal processor core, or any other similar configuration achieve.
  • the steps of the method or algorithm described in the embodiments of the present application can be directly embedded in hardware, instructions executed by a processor, or a combination of the two.
  • the memory can be RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, register, hard disk, removable disk, CD-ROM or any other storage medium in the art.
  • the memory can be connected to the processor, so that the processor can read information from the memory and can write information to the memory.
  • the memory can also be integrated into the processor.
  • the processor and the memory can be arranged in the ASIC, and the ASIC can be arranged in the terminal.
  • the processor and the memory may also be arranged in different components in the terminal.
  • the computer program product includes one or more computer instructions.
  • 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 a computer-readable storage medium 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 package.
  • the center transmits to another website, computer, server, or data packet center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (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 packet storage device such as a server or a data packet center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • SSD solid state disk

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de communication. Le procédé consiste à : acquérir un seuil de différence de puissance ; déterminer une puissance de liaison montante et une puissance de liaison latérale en fonction du seuil de différence de puissance ; envoyer des données de liaison montante conformément à la puissance de liaison montante ; et envoyer des données de liaison latérale conformément à la puissance de liaison latérale. Selon le procédé et l'appareil décrits dans la présente invention, une émission simultanée de données de liaison montante et de données de liaison latérale peut être réalisée lorsqu'une liaison d'envoi est partagée, ce qui permet d'améliorer l'efficacité de transmission.
PCT/CN2020/077312 2019-03-28 2020-02-29 Procédé et appareil de communication WO2020192360A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910244329.5 2019-03-28
CN201910244329.5A CN111757449B (zh) 2019-03-28 2019-03-28 通信方法及装置

Publications (1)

Publication Number Publication Date
WO2020192360A1 true WO2020192360A1 (fr) 2020-10-01

Family

ID=72608912

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/077312 WO2020192360A1 (fr) 2019-03-28 2020-02-29 Procédé et appareil de communication

Country Status (2)

Country Link
CN (1) CN111757449B (fr)
WO (1) WO2020192360A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022160191A1 (fr) * 2021-01-28 2022-08-04 华为技术有限公司 Procédé et appareil de détermination de puissance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101902750A (zh) * 2009-05-26 2010-12-01 大唐移动通信设备有限公司 一种调整功率参数值的方法和设备
CN103190196A (zh) * 2010-10-13 2013-07-03 诺基亚公司 通信模式的选择
WO2014180518A1 (fr) * 2013-05-08 2014-11-13 Telefonaktiebolaget L M Ericsson (Publ) Amélioration de la gestion d'émission de communication de réseau et d'émission simultanée de communication d2d
US20150124737A1 (en) * 2012-07-05 2015-05-07 Lg Electronics Inc. Method for controlling power for device-to-device (d2d) communication in wireless communication system and apparatus for same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101902750A (zh) * 2009-05-26 2010-12-01 大唐移动通信设备有限公司 一种调整功率参数值的方法和设备
CN103190196A (zh) * 2010-10-13 2013-07-03 诺基亚公司 通信模式的选择
US20150124737A1 (en) * 2012-07-05 2015-05-07 Lg Electronics Inc. Method for controlling power for device-to-device (d2d) communication in wireless communication system and apparatus for same
WO2014180518A1 (fr) * 2013-05-08 2014-11-13 Telefonaktiebolaget L M Ericsson (Publ) Amélioration de la gestion d'émission de communication de réseau et d'émission simultanée de communication d2d

Also Published As

Publication number Publication date
CN111757449B (zh) 2022-05-24
CN111757449A (zh) 2020-10-09

Similar Documents

Publication Publication Date Title
WO2020143835A1 (fr) Procédé de réglage de puissance et appareil de réglage de puissance
WO2020134944A1 (fr) Procédé de mesure d'interférence et appareil de communication
WO2020143829A1 (fr) Procédé et dispositif d'envoi et de réception d'instructions
US11564181B2 (en) Method and apparatus for reporting power headroom report, and method and apparatus for obtaining power headroom report
WO2019214424A1 (fr) Procédé de communication et appareil de communication
US11490387B2 (en) Communication method and communications apparatus
WO2022062838A1 (fr) Procédé et appareil de configuration de ressource
WO2020199815A1 (fr) Procédé et appareil de communication
WO2019029463A1 (fr) Procédé et dispositif de réception d'informations de commande et d'envoi d'informations de commande
US20220183029A1 (en) Method for sending and receiving control information, apparatus, and system
JP2023514730A (ja) フィードバックリソース決定方法およびフィードバックリソース決定装置
WO2021026916A1 (fr) Procédé, appareil, et dispositif de communication
KR20210101324A (ko) 전력 제어 방법 및 장치
WO2022147735A1 (fr) Procédé et appareil de détermination d'une puissance d'émission
WO2020192360A1 (fr) Procédé et appareil de communication
WO2020192719A1 (fr) Procédé de mise à jour de faisceaux et appareil de communication
CN114451017B (zh) 一种激活和释放非动态调度传输的方法及装置
WO2020199814A1 (fr) Procédé et appareil de communication
WO2022110245A1 (fr) Procédé et appareil d'indication de ressources
US20230362928A1 (en) Pucch transmission method and apparatus
WO2021244386A1 (fr) Procédé de transmission de signal et son dispositif associé
WO2021032167A1 (fr) Procédé et dispositif de détermination de taille de bloc de transport
WO2024199375A1 (fr) Procédé et appareil de communication
WO2023077463A1 (fr) Procédé et appareil de détermination de faisceau
WO2024032064A1 (fr) Procédé de commande de puissance et appareil de communication

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20780007

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20780007

Country of ref document: EP

Kind code of ref document: A1