WO2023141824A1 - 无线通信的方法和终端设备 - Google Patents

无线通信的方法和终端设备 Download PDF

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Publication number
WO2023141824A1
WO2023141824A1 PCT/CN2022/074063 CN2022074063W WO2023141824A1 WO 2023141824 A1 WO2023141824 A1 WO 2023141824A1 CN 2022074063 W CN2022074063 W CN 2022074063W WO 2023141824 A1 WO2023141824 A1 WO 2023141824A1
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WIPO (PCT)
Prior art keywords
carrier
power
antenna
panel
transmit power
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Application number
PCT/CN2022/074063
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English (en)
French (fr)
Inventor
陈文洪
黄莹沛
Original Assignee
Oppo广东移动通信有限公司
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2022/074063 priority Critical patent/WO2023141824A1/zh
Publication of WO2023141824A1 publication Critical patent/WO2023141824A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms

Definitions

  • the embodiments of the present application relate to the communication field, and more specifically, relate to a wireless communication method and a terminal device.
  • the terminal device will perform power allocation according to a certain priority order, such as assigning power to the carrier with a higher signal priority carrier, so as to ensure that the total transmit power will not exceed the maximum transmit power supported by the terminal device.
  • a certain priority order such as assigning power to the carrier with a higher signal priority carrier, so as to ensure that the total transmit power will not exceed the maximum transmit power supported by the terminal device.
  • the terminal device is configured with multiple antenna panels (panels), each antenna panel supports multiple carriers, and the transmit power of multiple panels is independently controlled, in this case, how to perform the two functions of the carrier and the panel? Dimensional power control while ensuring uplink transmission performance is a problem that needs to be solved.
  • the embodiment of the present application provides a wireless communication method and a terminal device, which can effectively perform power allocation between carriers and panels, so as to ensure that the transmission power of multiple panels on the premise that the transmission power meets the restrictions of the carriers and panels The performance of the uplink transmission of the carrier.
  • a wireless communication method includes:
  • the terminal device determines the first transmit power of each antenna panel in the plurality of antenna panels on each carrier in the at least one carrier;
  • the terminal equipment respectively performs power allocation of each antenna panel on the at least one carrier to obtain the second transmission power of each antenna panel on each carrier power;
  • the terminal device performs power allocation on the plurality of antenna panels for each carrier in the at least one carrier according to the second transmit power of each antenna panel on each carrier.
  • a wireless communication method in a second aspect, includes:
  • the terminal device determines the first transmit power of each antenna panel in the plurality of antenna panels on each carrier in the at least one carrier;
  • the terminal equipment respectively performs power allocation of the plurality of antenna panels on the carrier for each carrier in the at least one carrier to obtain the each antenna panel second transmit power on each carrier;
  • the terminal device performs power allocation on the at least one carrier for each antenna panel in the plurality of antenna panels according to the second transmission power of each antenna panel on each carrier.
  • a terminal device configured to execute the method in the first aspect above.
  • the terminal device includes a functional module for executing the method in the first aspect above.
  • a terminal device configured to execute the method in the second aspect above.
  • the terminal device includes a functional module for executing the method in the second aspect above.
  • a terminal device including a processor and a memory; the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory, so that the terminal device executes the above-mentioned first aspect.
  • a sixth aspect provides a terminal device, including a processor and a memory; the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory, so that the terminal device executes the above-mentioned second aspect. Methods.
  • an apparatus for implementing the method in any one of the first aspect to the second aspect above.
  • the device includes: a processor, configured to invoke and run a computer program from the memory, so that the device installed with the device executes the method in any one of the above first to second aspects.
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in any one of the above-mentioned first aspect to the second aspect.
  • a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above first to second aspects.
  • a computer program which, when running on a computer, causes the computer to execute the method in any one of the above first to second aspects.
  • the terminal device first performs power allocation on at least one carrier for each of the multiple antenna panels, and then performs power allocation of the multiple antenna panels on each of the at least one carrier. power distribution. That is, in this technical solution, the power allocation on the antenna panel and the power allocation on the carrier can be carried out independently, and the power allocation of multiple carriers can also be considered in the power allocation process of the antenna panel, so that the inter-carrier power allocation can be effectively carried out.
  • the power allocation between the panel and the panel ensures the performance of uplink transmission of multiple carriers on multiple panels under the premise that the transmission power meets the restrictions of the carrier and the panel.
  • the terminal device first performs power allocation of multiple antenna panels on the carrier for each carrier in at least one carrier, and then performs power allocation for each antenna panel in the multiple antenna panels at least Power allocation for a carrier. That is, in this technical solution, the power allocation on the antenna panel and the power allocation on the carrier can be performed independently, and the power allocation on the panel can also be considered during the multi-carrier power allocation process, so that the power allocation on the panel can be effectively performed.
  • the power allocation between carriers and panels ensures the uplink transmission performance of multiple carriers on multiple panels on the premise that the transmission power meets the carrier and panel restrictions.
  • FIG. 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of multi-panel-based PUSCH transmission provided by the present application.
  • Fig. 3 is a schematic diagram of various maximum transmission powers provided by the present application.
  • Fig. 4 is a schematic flowchart of a wireless communication method provided according to an embodiment of the present application.
  • Fig. 5 is a schematic flowchart of another wireless communication method provided according to an embodiment of the present application.
  • Fig. 6 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Fig. 7 is a schematic block diagram of another terminal device provided according to an embodiment of the present application.
  • Fig. 8 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Fig. 9 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
  • Fig. 10 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunications System
  • WLAN Wireless Local Area Networks
  • IoT Internet of Things
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and can also be applied to an independent (Standalone, SA ) network deployment scenarios, or applied to non-independent (Non-Standalone, NSA) network deployment scenarios.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent network deployment scenarios
  • non-Standalone, NSA non-independent network deployment scenarios.
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, Wherein, the licensed spectrum can also be regarded as a non-shared spectrum.
  • the communication system in the embodiment of the present application can be applied to the FR1 frequency band (corresponding to the frequency range of 410MHz to 7.125GHz), can also be applied to the FR2 frequency band (corresponding to the frequency range of 24.25GHz to 52.6GHz), and can also be applied to The new frequency band corresponds to, for example, a frequency range from 52.6 GHz to 71 GHz or a high-frequency frequency range from 71 GHz to 114.25 GHz.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • wireless communication device user agent or user device
  • the terminal device can be a station (STATION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, vehicle communication equipment, wireless communication chip/application-specific integrated circuit (application specific integrated circuit, ASIC)/system-on-chip (System on Chip, SoC), etc.
  • a virtual reality (Virtual Reality, VR) terminal device an augmented reality (Augmented Reality, AR) terminal Equipment
  • wireless terminal equipment in industrial control wireless terminal equipment in self driving
  • wireless terminal equipment in remote medical wireless terminal equipment in smart grid
  • wireless terminal equipment in transportation safety wireless terminal equipment in smart city or wireless terminal equipment in smart home
  • vehicle communication equipment wireless communication chip/application-specific integrated circuit (application specific integrated circuit, ASIC
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network A network device or a base station (gNB) in a network device or a network device in a future evolved PLMN network or a network device in an NTN network.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolution
  • eNB evolved base station
  • gNB base station
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network equipment may be a satellite, balloon station.
  • the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
  • the network device may also be a base station installed on land, in water, or other locations.
  • the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • the communication system 100 may include a network device 110, and the network device 110 may be a device for communicating with a terminal device 120 (or called a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographical area, and can communicate with terminal devices located in the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This embodiment of the present application does not limit it.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
  • the communication equipment may include a network equipment 110 and a terminal equipment 120 with communication functions.
  • the network equipment 110 and the terminal equipment 120 may be the specific equipment described above, and will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in this embodiment of the present application.
  • this article involves a first communication device and a second communication device
  • the first communication device may be a terminal device, such as a mobile phone, a machine facility, a customer premise equipment (Customer Premise Equipment, CPE), an industrial device, a vehicle, etc.
  • the second communication device may be a peer communication device of the first communication device, such as a network device, a mobile phone, an industrial device, a vehicle, and the like.
  • description is made by taking the first communication device as a terminal device and the second communication device as a network device as a specific example.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
  • predefined or “preconfigured” can be realized by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • the application does not limit its specific implementation.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which is not limited in the present application.
  • antenna elements can be nested and combined with chips to form an antenna panel or antenna array block (panel), which makes it possible to configure multiple low-correlation panels on the transmitter. possible.
  • antenna panel or antenna array block panel
  • the energy of the transmitted signal is concentrated in a certain direction for transmission, which can effectively improve coverage and improve communication performance.
  • Multiple panels can independently form transmission beams, so that a terminal transmitter can simultaneously transmit data streams on multiple panels through different beams to improve transmission capacity or reliability.
  • the terminal device needs to notify the network side of the number of configured antenna panels in the capability report. At the same time, the terminal device may also need to notify the network side whether it has the ability to simultaneously transmit signals on multiple antenna panels. Since the channel conditions corresponding to different panels are different, different panels need to adopt different transmission parameters according to their respective channel information. In order to obtain these transmission parameters, different Sounding Reference Signal (SRS) resources need to be configured for different panels to obtain uplink channel information. For example, in order to perform uplink beam management, an SRS resource set may be configured for each panel, so that each panel performs beam management separately and determines an independent analog beam.
  • SRS Sounding Reference Signal
  • an SRS resource set can also be configured for each panel to obtain the physical uplink control channel (Physical Uplink Control Channel) transmitted on the panel , PUCCH) transmission parameters such as beams, precoding vectors, number of transmission layers, etc.
  • PUCCH Physical Uplink Control Channel
  • multi-panel transmission can also be applied to PUCCH, that is, the information carried by the same PUCCH resource or the PUCCH resource on the same time domain resource can be sent to the network side through different panels at the same time.
  • the terminal may receive multiple reference signal resource sets configured by the network device, and different reference signal resource sets use different panels to send or receive reference signals.
  • the network device can be configured with multiple Channel State Information Reference Signal (CSI-RS) resource sets, and different sets are received on different panels; or, the network device can be configured with multiple reference signal sets, and different sets Send on different panels; or, the network device can indicate multiple physical cell identifiers (Physical Cell Identifier, PCI), and the synchronization signal block (Synchronization Signal Block, SSB) associated with each PCI as a set, so that different sets Received on a different panel.
  • CSI-RS Channel State Information Reference Signal
  • each uplink signal can be associated with a reference signal set, or configured with a reference signal indication information (such as Transmission Configuration Indicator (TCI) status or SRS resource indicator (SRS resource indicator, SRI) information) to indicate a
  • TCI Transmission Configuration Indicator
  • SRS resource indicator SRI
  • the network device may configure a panel identifier (Identity, ID) for each uplink signal, and determine the panel for sending the uplink signal according to the panel ID. Therefore, uplink signals transmitted on different panels may be called uplink signals associated with different reference signal resource sets, or uplink signals associated with different panel IDs.
  • the uplink signals associated with the same reference signal resource set, or the uplink signals associated with the same panel ID are transmitted using the same panel.
  • the SSB may also be called a synchronization signal/physical broadcast channel block (SS/PBCH block).
  • SS/PBCH block synchronization signal/physical broadcast channel block
  • Uplink non-coherent transmission based on multiple Transmission Reception Points is introduced in the NR system.
  • the backhaul (backhaul) connection between TRPs can be ideal or non-ideal. Under ideal backhaul, TRPs can quickly and dynamically exchange information. It can conduct information exchange quasi-statically.
  • Different TRPs can also independently schedule the PUSCH transmission of the same terminal.
  • Different PUSCH transmissions can be configured with independent transmission parameters, such as beam, precoding matrix, number of layers, etc.
  • the scheduled PUSCH transmissions can be transmitted in the same slot or in different slots. If the terminal is simultaneously scheduled for multiple PUSCH transmissions in the same time slot, it needs to determine how to perform transmission according to its own capabilities.
  • the terminal is configured with multiple panels and supports simultaneous transmission of PUSCHs on multiple panels
  • the multiple PUSCHs can be transmitted at the same time, and the PUSCHs transmitted on different panels are aligned with the corresponding TRP for analog shaping, so that they can be distinguished through the space domain
  • Different PUSCHs provide uplink spectrum efficiency (a in Figure 2). If the terminal has only a single panel, or does not support simultaneous transmission of multiple panels, PUSCH can only be transmitted on one panel.
  • the PUSCH transmitted by different TRPs can be scheduled based on multiple downlink control information (DCI), and these DCIs can be carried by different control resource sets (Control Resource Set, CORESET).
  • DCI downlink control information
  • CORESET Control Resource Set
  • multiple CORESET groups are configured on the network side, and each TRP is scheduled using a CORESET in its own CORESET group, that is, different TRPs can be distinguished by the CORESET group.
  • a network device may configure a CORESET group index for each CORESET, and different indexes correspond to different TRPs.
  • the PUSCHs transmitted to different TRPs can also be scheduled based on a single DCI.
  • the DCI needs to indicate parameters such as beams and demodulation reference signal (Demodulation Reference Signal, DMRS) ports used by the PUSCHs transmitted to different TRPs (as shown in FIG. b) in 2.
  • DMRS Demodulation Reference Signal
  • different transmission layers of PUSCH are transmitted on different panels using independent transmission parameters (such as beam, precoding matrix, power control parameters, etc.), but the modulation and coding scheme (Modulation and Coding Scheme, MCS) and Physical resources are the same.
  • MCS Modulation and Coding Scheme
  • FIG. 2 shows PUSCH transmission based on multiple panels. Specifically, a in FIG. 2 is based on multiple DCIs, and b in FIG. 2 is based on a single DCI.
  • the terminal device will allocate power according to a certain priority order, such as assigning power to carriers with higher signal priority, Therefore, it is ensured that the total transmission power will not exceed the maximum transmission power supported by the terminal.
  • the terminal device is configured with multiple panels, and the transmit power of multiple panels is independently controlled, the terminal device needs to perform power control between multiple carriers on each panel and between multiple panels to ensure multiple The sum of power on the carrier and the sum of power on multiple panels will not exceed the corresponding maximum power limit, and at the same time ensure that the sum of the power of all panels will not exceed the maximum transmission power supported by the terminal device. How to perform power control in these two dimensions (ie carrier and panel) while ensuring uplink transmission performance is a problem that needs to be solved.
  • this application proposes a power allocation scheme, which can effectively allocate power between carriers and panels, so as to ensure the transmission power of multiple carriers on multiple panels under the premise that the transmission power meets the constraints of carriers and panels.
  • Uplink performance
  • the maximum transmit power supported by Panel P on carrier C or the maximum transmit power supported by Panel P on carrier C, specifically refers to the maximum transmit power supported by terminal equipment on Panel P and carrier C, denoted as P c,p ,max , as shown in Figure 3.
  • the maximum transmit power supported by the Panel P specifically refers to the maximum total transmit power that the terminal equipment can support on all the carriers of the Panel P, which is denoted as P p,max , as shown in FIG. 3 .
  • the maximum transmit power supported by the carrier C specifically refers to the maximum total transmit power that all panels of the terminal device can support on the carrier C, denoted as P c,max , as shown in FIG. 3 .
  • the maximum transmit power supported by the terminal device specifically refers to the maximum transmit power that all panels of the terminal device can support on all carriers, that is, the transmit power corresponding to the power class of the terminal device, which is denoted as P UE,max , such as Figure 3 shows.
  • FIG. 4 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 4 , the wireless communication method 200 may include at least part of the following content:
  • the terminal device determines the first transmit power of each antenna panel in the plurality of antenna panels on each carrier in at least one carrier;
  • the terminal device According to the first transmission power of each antenna panel on each carrier, the terminal device respectively performs power allocation of each antenna panel on the at least one carrier, and obtains the first transmission power of each antenna panel on each carrier. Two transmit power;
  • the terminal device performs power allocation on the multiple antenna panels for each carrier in the at least one carrier.
  • the terminal device first performs power allocation on at least one carrier for each of the multiple antenna panels, and then performs power allocation for each of the multiple antenna panels on each of the at least one carrier. . That is, in the embodiment of the present application, the power allocation on the antenna panel and the power allocation on the carrier can be performed independently, and the power allocation of multiple carriers can also be considered in the power allocation process of the antenna panel, so that the power allocation of multiple carriers can be effectively performed.
  • the power allocation between carriers and panels ensures the uplink transmission performance of multiple carriers on multiple panels on the premise that the transmission power meets the carrier and panel restrictions.
  • a terminal device has two panels, one panel is configured with multiple carriers, and the other panel supports only one carrier.
  • two panels are configured with multiple carriers, and the numbers of carriers on the two panels may be the same or different. That is, the number of carriers on different panels can be the same or different.
  • an "antenna panel (panel)” may also be referred to as an “antenna array block", which is not limited in the present application.
  • the at least one carrier may be part or all of the carriers on the corresponding antenna panel (panel).
  • the at least one carrier is all currently activated carriers on the corresponding antenna panel (panel).
  • the terminal device determines the first transmit power of the jth antenna panel on each carrier in at least one carrier, j is a positive integer, and 1 ⁇ j ⁇ the number of the plurality of antenna panels; Wherein, the at least one carrier is all currently activated carriers on the jth antenna panel.
  • the terminal device calculates the expected transmission power of the uplink signal according to the power control parameters of the uplink signal associated with the j-th antenna panel on the i-th carrier; and the terminal device calculates the expected transmission power of the uplink signal;
  • the expected transmit power is determined as the first transmit power of the j-th antenna panel on the i-th carrier; wherein, i and j are both positive integers, and 1 ⁇ j ⁇ number of the plurality of antenna panels.
  • the uplink signal is an uplink signal associated with the identification (ID) of the jth antenna panel, or the uplink signal is an uplink signal associated with a reference signal set of the jth antenna panel.
  • a terminal device needs to transmit two uplink signals on carrier 1, where the panel ID associated with the first uplink signal is 0, and the panel ID associated with the second uplink signal is 1, then the first uplink signal is related to Panel 0
  • the associated uplink signal, the second uplink signal is the uplink signal associated with Panel 1.
  • the terminal device calculates the transmit power of the first uplink signal according to the power control parameter of the first uplink signal, which is the transmit power of the terminal device on carrier 1 of panel 0; the terminal device calculates the transmit power of the first uplink signal according to the power control parameter of the second uplink signal 2.
  • the transmit power of the uplink signal is the transmit power of the terminal device on carrier 1 of panel 1.
  • the sum of the transmit power on multiple carriers of a panel exceeds the maximum transmit power of the panel
  • the sum of the transmit power of multiple panels on a carrier exceeds the maximum transmit power of the carrier
  • the sum of the total transmit power of multiple panels exceeds the maximum transmit power of the terminal device.
  • Example 1 the above S220 may specifically include:
  • the terminal device is ordered according to the first priority order of the signals on the carrier performing power allocation on the at least one carrier to obtain the second transmit power of the jth antenna panel on each carrier; wherein, the sum of the second transmit powers of the jth antenna panel on the at least one carrier does not exceed the The maximum transmit power supported by the jth antenna panel; wherein, j is a positive integer, and 1 ⁇ j ⁇ the number of the plurality of antenna panels.
  • Example 1 if only one carrier is configured on the j-th antenna panel, it is only necessary to judge whether the transmit power of the j-th antenna panel on the carrier exceeds the maximum transmit power supported by the j-th antenna panel. power.
  • Example 1 for the j-th antenna panel, on the premise that the sum of the transmit power of at least one carrier exceeds the maximum transmit power supported by the j-th antenna panel, the power is preferentially distributed to the higher-priority
  • the carrier of the signal is allocated to the carrier of the signal with lower priority, and the signal with lower priority needs to be transmitted with reduced power until the sum of the transmission power of at least one carrier reaches (not exceeds) the support on the jth antenna panel the maximum transmit power.
  • the terminal device can directly transmit each The first transmit power on the carrier is used as the second transmit power.
  • Example 2 the above S220 may specifically include:
  • the terminal equipment is ordered according to the first priority order of the signals on the carrier performing power allocation on the at least one carrier to obtain the second transmit power of the jth antenna panel on each carrier; wherein, the sum of the second transmit powers of the jth antenna panel on the at least one carrier does not exceed the Actual transmit power on the jth antenna panel; wherein, j is a positive integer, and 1 ⁇ j ⁇ number of the multiple antenna panels.
  • Example 2 if the transmit power on a certain panel is reduced because the total transmit power on multiple panels exceeds the maximum transmit power supported by the terminal device, it is necessary to ensure that the total transmit power of the at least one carrier The sending power should not exceed the actual sending power of the panel after reduction. At this time, multi-carrier power allocation on the panel should be performed according to the first priority order to achieve this goal. If the transmit power on a panel is not reduced, the power allocation does not need to be performed, and it is only necessary to judge whether the maximum transmit power supported by the panel is exceeded (ie, Example 1).
  • Example 2 if only one carrier is configured on the jth antenna panel, it is only necessary to judge whether the transmission power of the jth antenna panel on the carrier exceeds the actual transmission power of the jth antenna panel. power.
  • example 3 the above S220 may specifically include:
  • the terminal device prioritizes the power on the jth antenna panel Allocating to the carrier that satisfies the first condition in the at least one carrier, and the terminal device sequentially allocates the remaining power on the jth antenna panel to the at least one carrier that does not meet the first priority order of the signals on the carrier.
  • Other carriers of the first condition where the first condition is that the sum of the transmit power of all antenna panels of the terminal device on a carrier does not exceed the maximum transmit power supported on the carrier, j is a positive integer, and 1 ⁇ j ⁇ the number of the plurality of antenna panels.
  • Example 3 if the sum of the first transmit powers of at least one carrier on the jth antenna panel exceeds the maximum transmit power supported by the jth antenna panel, the power is preferentially distributed to the carriers that meet the first condition.
  • the carrier is allocated to the carrier that does not meet the first condition, where the carrier that meets the first condition is that the sum of the transmission powers of all antenna panels of the terminal device on the carrier does not exceed the maximum transmission power supported on the carrier.
  • the power allocation is performed sequentially according to the first priority sequence of signals on the carriers.
  • power allocation may also be performed sequentially according to the first priority order of signals on the carriers.
  • the power is preferentially allocated to the carrier whose total power on the carrier does not exceed the maximum transmit power supported on the carrier, if there is remaining power within the range of the maximum transmit power supported on the jth antenna panel, The total power redistributed to the carrier exceeds the maximum transmit power supported by the carrier.
  • the transmit power will be reduced preferentially.
  • Example 3 assume that the transmit power of the terminal device on the carrier 1/2/3 of panel 1 is P 1,1 , P 2,1 , and P 3,1 respectively, and the carrier 1/2/3 of panel 2
  • the transmit power on 2/3 is P 1,2 , P 2,2 , and P 3,2 respectively, and only carrier 1 satisfies the first condition, that is, P 1,1 +P 1,2 ⁇ P 1,max , P 2,1 +P 2,2 >P 2,max ,P 3,1 +P 3,2 >P 3,max , among them, P 1,max , P 2,max , P 3,max are three carriers
  • the maximum transmit power supported by the above is, P 1,1 +P 1,2 ⁇ P 1,max , P 2,1 +P 2,2 >P 2,max ,P 3,1 +P 3,2 >P 3,max , among them, P 1,max , P 2,max , P 3,max are three carriers The maximum transmit power supported by the above.
  • the terminal device If the sum of the power of the three carriers on panel 1 exceeds the maximum transmit power P c,1,max supported by panel 1, that is, P 1,1 +P 2,1 +P 3,1 >P c,1,max , Then the terminal device first distributes the power P 1,1 to the carrier 1, and then distributes the remaining power (P c,1,max -P 1,1 ) to the carrier 2 and the carrier 3.
  • the terminal device first distributes power P 2,1 to carrier 2, and then distributes the remaining power (P c,1,max -P 1,1 -P 2,1 ) For carrier 3, that is, finally only the carrier 3 that does not satisfy condition 1 and has the lowest priority needs to be reduced, so that the total transmission power of the three carriers is P c,1,max .
  • Example 4 the above S220 may specifically include:
  • the terminal device preferentially allocates the power on the jth antenna panel Giving the carrier in the at least one carrier that meets the first condition, and the terminal device distributes the remaining power on the jth antenna panel to the at least one carrier that does not meet the first condition in sequence according to the first priority order of the signals on the carrier.
  • Other carriers under one condition wherein, the first condition is that the sum of the transmit power of all antenna panels of the terminal device on one carrier does not exceed the maximum transmit power supported on the carrier, j is a positive integer, and 1 ⁇ j ⁇ The number of the plurality of antenna panels.
  • Example 4 if the sum of the first transmit powers of at least one carrier on the jth antenna panel exceeds the actual transmit power on the jth antenna panel, the power is preferentially assigned to the carrier that meets the first condition, Redistribute to carriers that do not meet the first condition, so that the sum of the first transmit power of at least one carrier on the jth antenna panel does not exceed the actual transmit power on the jth antenna panel.
  • Example 4 if the transmit power on a certain antenna panel is reduced because the total transmit power on multiple antenna panels exceeds the maximum transmit power supported by the terminal device, you need to ensure that the corresponding The total transmit power of the at least one carrier does not exceed the actual transmit power of the antenna panel after reduction. At this time, the transmit power of some carriers on the antenna panel should be reduced.
  • the terminal device can first ensure the transmit power of the carrier that meets the first condition, and then set the power to Allocate to other carriers that do not meet the first condition. If there are multiple carriers that meet the first condition, power allocation is performed sequentially according to the first priority order; or, if there are multiple carriers that do not meet the first condition, power allocation is performed sequentially according to the first priority order, specifically No longer.
  • Example 4 if only one carrier is configured on the jth antenna panel, it is only necessary to judge whether the transmit power of the jth antenna panel on the carrier exceeds the maximum transmit power supported by the jth antenna panel. power.
  • Example 4 if the transmit power on a panel is not reduced, the power allocation does not need to be performed, and it is only necessary to determine whether the maximum transmit power supported by the panel is exceeded.
  • Example 4 if only the sum of the first transmit powers of at least one carrier on one panel exceeds the maximum transmit power supported on the panel, or, only the first transmit power of at least one carrier on one panel If the sum exceeds the actual transmit power on the panel, then perform power allocation on the panel according to the above method. And if there are multiple panels that meet the above conditions, it is necessary to perform multi-carrier power allocation according to the above methods respectively.
  • the terminal device can perform multi-carrier power allocation on each panel in sequence according to the order of the panel IDs, or the terminal implements to determine the order of the panels.
  • the second panel judges whether a carrier meets the first condition when performing power allocation, and needs to re-judgment based on the second transmit power of the current first panel on each carrier, rather than the first transmit power. For example, when the first panel performs multi-carrier power allocation, the target carrier does not meet the first condition and the transmission power is reduced, so that the sum of the power of the two panels on the target carrier does not exceed the maximum power of the target carrier, so When the second panel performs power allocation, the target carrier is a carrier that satisfies the first condition.
  • Example 4 it is assumed that the power allocation of panel 1 is performed first, and then the power allocation of panel 2 is performed.
  • carrier 3 does not meet the first condition (P 3,1 +P 3,2 >P 3,max ) , so that the transmit power can only be reduced on panel 1.
  • P' 3,1 +P 3,2 ⁇ P 3,max since the power of carrier 3 on panel 1 is reduced, P' 3,1 +P 3,2 ⁇ P 3,max , thus carrier 3 meets the first condition on panel 2 , the power can be allocated preferentially.
  • Example 4 when performing power allocation, the terminal device simultaneously considers whether the total power on each carrier and the total power on each panel exceeds the limit, and considers the two dimensions (carrier and panel) cooperatively to ensure that the total power satisfies Under the premise of the limitation, the transmission power of the signal is not reduced as much as possible, which effectively avoids the problem of excessive power reduction caused by independent power control in two dimensions, thereby ensuring the performance of uplink transmission.
  • the terminal device may use the following method to determine the actual transmit power on an antenna panel.
  • the terminal device when the total transmit power on the multiple antenna panels exceeds the maximum transmit power supported by the terminal device, the terminal device reduces the transmit power of at least one antenna panel among the multiple antenna panels, to obtain The actual transmit power on the multiple antenna panels; wherein, the sum of the actual transmit power on the multiple antenna panels does not exceed the maximum transmit power supported by the terminal device.
  • the terminal device when the total transmit power on the multiple antenna panels exceeds the maximum transmit power supported by the terminal device, the terminal device reduces the transmit power on the multiple antenna panels according to a first ratio, to obtain the The actual transmit power on the multiple antenna panels; wherein, the sum of the actual transmit power on the multiple antenna panels does not exceed the maximum transmit power supported by the terminal device.
  • the first ratio is determined based on the maximum transmit power supported by the terminal device and the total transmit power on each antenna panel in the plurality of antenna panels.
  • the first ratio may also be stipulated by a protocol, or the first ratio may also be configured by a network device.
  • the at least one antenna panel includes an antenna panel whose associated control resource set (CORESET) group index is 1, or the at least one antenna panel includes an antenna panel whose antenna panel ID (panel ID) is not 0.
  • CORESET control resource set
  • the terminal device if the total transmit power on multiple panels of the terminal device exceeds the maximum transmit power P UE,max supported by the terminal device, then reduce the transmit power on the multiple panels or reduce the transmit power of at least one of the panels in the same proportion. Power, so that the sum of the actual transmit power on the multiple panels does not exceed the maximum transmit power supported by the terminal.
  • the actual transmission powers of the two panels are respectively P 1 *P UE,max /(P 1 +P 2 ) and P 2 *P UE,max /(P 1 +P 2 ).
  • the terminal device has two panels, the total transmit power on the first panel is P 1 , the total transmit power on the second panel is P 2 , and P 1 +P 2 >P UE,max , the terminal device reduces The transmit power of one panel and the transmit power of the other panel remain unchanged, so that the sum of the power of the two panels does not exceed the maximum transmit power of the terminal device. For example, you can reduce the transmit power of the panel whose associated CORESET group index is 1 (the panel whose associated CORESET group index is 0 remains unchanged), or reduce the transmit power of the panel whose panel ID is not 0 (the panel whose panel ID is 0 constant).
  • the terminal device needs to allocate the power of the at least one carrier in sequence according to the first priority order of the signals carried on the carrier, so that the power of at least one carrier on the j-th antenna panel The sum of the first transmit power does not exceed the maximum transmit power supported by the jth antenna panel, and the total transmit power of multiple antenna panels does not exceed the maximum transmit power supported by the terminal device.
  • the terminal device needs to further perform power allocation among the multiple carriers on each panel in sequence according to the first priority order of the signals carried on the carriers, so that the total transmission power on each panel is reduced to the actual transmission power.
  • the above S230 may specifically include:
  • the terminal device When the sum of the second transmit powers of the plurality of antenna panels on the i-th carrier exceeds the maximum transmit power supported by the i-th carrier, the terminal device reduces the The transmit power of at least one antenna panel on the i-th carrier, where the sum of the transmit powers of the multiple antenna panels on the i-th carrier after power reduction does not exceed the maximum transmit power supported by the i-th carrier, i is a positive integer.
  • the terminal device reduces the transmit power of at least one of the multiple antenna panels according to a first preset rule, so as to The sum of the second transmit powers of the multiple antenna panels of the terminal device on the i-th carrier does not exceed the maximum transmit power supported by the i-th carrier.
  • one DCI can schedule the transmission of PUSCH on the i-th carrier through multiple antenna panels, where different transmission layers use the same time-frequency resource for transmission on the i-th carrier of different antenna panels.
  • the terminal device needs to sequentially perform the power allocation of the plurality of antenna panels on the i-th carrier according to the first priority order of the transmitted signals, so as to ensure that the second transmission power of the plurality of antenna panels on the i-th carrier and does not exceed the maximum transmit power supported by the i-th carrier.
  • the first preset rule includes at least one of the following:
  • the signal transmitted by the first antenna panel among the plurality of antenna panels on the i-th carrier includes hybrid automatic repeat request-acknowledgment (Hybrid Automatic Repeat request Acknowledgment, HARQ-ACK) information or channel state information (Channel State Information , CSI), the signal transmitted by the second antenna panel in the plurality of antenna panels on the i-th carrier does not contain HARQ-ACK information or CSI, reduce the transmission power of the second antenna panel on the i-th carrier ;
  • Hybrid Automatic Repeat request Acknowledgment Hybrid Automatic Repeat request Acknowledgment
  • CSI Channel State Information
  • the first preset rule at least includes: reducing the lowest transmission power among the second transmission powers of the plurality of antenna panels on the i-th carrier. Specifically, for example, the transmission power of the antenna panel with the lowest transmission power among the multiple antenna panels is reduced, that is, the transmission power of the higher antenna panel remains unchanged, so as to ensure the transmission reliability of at least part of the transmission layer. Further, if the minimum transmit power of the antenna panel reaches a certain threshold value after the power is reduced, the transmit power of the antenna panel is no longer reduced, but the transmit power of the second-lowest antenna panel is reduced, thereby ensuring the The transmit power has a minimum value that can support transmission.
  • the first preset rule at least includes: reducing the highest transmission power among the second transmission powers of the plurality of antenna panels on the i-th carrier. Specifically, for example, the transmission power of the antenna panel with the highest transmission power among the multiple antenna panels is reduced, that is, the transmission power of the lower antenna panel remains unchanged, so as to ensure that the transmission performance of all transmission layers is equivalent. Further, if the antenna panel with the highest transmission power is reduced to the same transmission power as the other antenna panel, the terminal device reduces the transmission power of the two antenna panels at the same ratio or at the same power value.
  • the two transmission powers are reduced at the same time to ensure that the first transmission power will not be lower than the second transmission power after the power is reduced. That is, only the current highest transmit power is always reduced.
  • the first preset rule at least includes: if the signal transmitted by the first antenna panel in the plurality of antenna panels on the i-th carrier contains HARQ-ACK information or CSI, the plurality of antenna panels The signal transmitted by the second antenna panel on the i-th carrier does not include HARQ-ACK information or CSI, and the transmit power of the second antenna panel on the i-th carrier is reduced. Specifically, for example, if the first panel transmits HARQ-ACK or CSI on the i-th carrier, and the second panel does not transmit HARQ-ACK information and CSI on the i-th carrier, then reduce the transmission power of the second panel.
  • the first panel transmits HARQ-ACK information on the i-th carrier, and the second panel does not transmit HARQ-ACK information on the i-th carrier, then reduce the transmission power of the second panel.
  • the first panel transmits CSI on the i-th carrier, and the second panel does not transmit HARQ-ACK information and CSI on the i-th carrier, then reduce the transmit power of the second panel.
  • the first preset rule at least includes: reducing the transmit power of the plurality of antenna panels on the i-th carrier in the same proportion. Assuming that the transmit powers of multiple panels on the i-th carrier are respectively P c,1 and P c,2 , the maximum transmit power supported by the terminal device on the i-th carrier is P c,max .
  • the first preset rule at least includes: reducing the transmit power of the plurality of antenna panels on the i-th carrier with the same power value. Specifically, for example, the transmit power corresponding to multiple TCI states is reduced with the same power value.
  • the above S230 may specifically include:
  • the terminal device sequentially performs the transmission according to the first priority order of the transmitted signals Power allocation of multiple antenna panels on the i-th carrier, where the sum of the transmission powers of the multiple antenna panels on the i-th carrier after power allocation does not exceed the maximum transmission power supported by the i-th carrier, i is a positive integer.
  • the terminal device does not transmit an uplink signal on the i-th carrier through the third antenna panel.
  • the transmit power of the third antenna panel on the i-th carrier is set to 0.
  • the threshold value is configured by the network device, or the threshold value is reported by the terminal device to the network device through the terminal capability.
  • the threshold value may be the absolute value of the transmit power (such as X dBm), or the threshold value may be the ratio of the transmit power to the maximum transmit power supported on a carrier (that is, between 0 and 1 value).
  • the second transmit power may be directly used as the signal in Transmit power on the i-th carrier.
  • the first priority order from high to low is:
  • Physical Random Access Channel Physical Random Access Channel
  • Periodic SRS or semi-continuous SRS Periodic SRS or semi-continuous SRS.
  • the priority order from high to low is:
  • a PUCCH carrying HARQ-ACK information or a PUCCH carrying a Scheduling Request (SR), or a PUCCH carrying a Link Recovery Request (LRR), or a PUSCH carrying HARQ-ACK information;
  • SR Scheduling Request
  • LRR Link Recovery Request
  • the power allocation on the antenna panel and the power allocation on the carrier are performed independently. If the transmission power is reduced, the sum of the first transmission power of at least one carrier on the jth antenna panel is equal to the first The maximum transmit power supported on j antenna panels, in order to ensure that the sum of the second transmit power of multiple antenna panels on the i-th carrier does not exceed the maximum transmit power supported by the i-th carrier, some antenna panels may be further reduced The power on some carriers, so that the sum of the first transmit powers of multiple carriers on the j-th antenna panel is less than the maximum transmit power supported on the j-th antenna panel. At this time, excessive power adjustment may occur.
  • the terminal device first performs power allocation on at least one carrier for each of the multiple antenna panels, and then performs power allocation for each of the at least one carrier. power distribution. That is, in the embodiment of the present application, the power allocation on the antenna panel and the power allocation on the carrier can be performed independently, and the power allocation of multiple carriers can also be considered in the power allocation process of the antenna panel, so that the power allocation of multiple carriers can be effectively performed.
  • the power allocation between carriers and panels ensures the uplink transmission performance of multiple carriers on multiple panels on the premise that the transmission power meets the carrier and panel restrictions.
  • FIG. 5 is a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application. As shown in FIG. 5 , the wireless communication method 300 may include at least part of the following content:
  • the terminal device determines the first transmit power of each antenna panel in the plurality of antenna panels on each carrier in at least one carrier;
  • the terminal device respectively performs power allocation on each carrier of the at least one carrier by the plurality of antenna panels on the carrier, and obtains each second transmit power of the antenna panel on each carrier;
  • the terminal device performs power allocation on the at least one carrier for each antenna panel in the plurality of antenna panels.
  • the terminal device first performs power allocation of multiple antenna panels on the carrier for each of the at least one carrier, and then performs power allocation for each of the multiple antenna panels for at least one carrier power distribution. That is, in this embodiment of the application, the power allocation on the antenna panel and the power allocation on the carrier can be performed independently, and the power allocation on the panel can also be considered during the multi-carrier power allocation process, so that the power allocation on the panel can be effectively Carry out power allocation between carriers and panels, and ensure the uplink transmission performance of multiple carriers on multiple panels on the premise that the transmission power meets the carrier and panel restrictions.
  • the terminal device calculates the expected transmission power of the uplink signal according to the power control parameters of the uplink signal associated with the j-th antenna panel on the i-th carrier; and the terminal device calculates the expected transmission power of the uplink signal;
  • the expected transmit power is determined as the first transmit power of the j-th antenna panel on the i-th carrier; wherein, i and j are both positive integers, and 1 ⁇ j ⁇ number of the plurality of antenna panels.
  • the uplink signal is an uplink signal associated with identifications (IDs) of the j antenna panels, or the uplink signal is an uplink signal associated with reference signal sets of the j antenna panels.
  • IDs identifications
  • the uplink signal is an uplink signal associated with reference signal sets of the j antenna panels.
  • the sum of the transmit power on multiple carriers of a panel exceeds the maximum transmit power of the panel
  • the sum of the transmit power of multiple panels on a carrier exceeds the maximum transmit power of the carrier
  • the sum of the total transmit power of multiple panels exceeds the maximum transmit power of the terminal device.
  • the above S320 may specifically include:
  • the terminal device When the sum of the first transmission powers of the plurality of antenna panels on the i-th carrier exceeds the maximum transmission power supported by the i-th carrier, the terminal device reduces the The transmit power of at least one antenna panel of , to obtain the second transmit power of each antenna panel on the i-th carrier; or,
  • the terminal device sequentially performs the transmission according to the first priority order of the transmitted signals. Power allocation of multiple antenna panels on the i-th carrier to obtain the second transmission power of each antenna panel on the i-th carrier;
  • the sum of the second transmit powers of the plurality of antenna panels on the i-th carrier does not exceed the maximum transmit power supported by the i-th carrier, i is a positive integer, and 1 ⁇ i ⁇ the number of the at least one carrier .
  • the above S320 may specifically include:
  • the terminal device When the sum of the first transmit powers of the plurality of antenna panels on the i-th carrier exceeds the maximum transmit power supported by the i-th carrier, the terminal device lowers the antennas satisfying the second condition among the plurality of antenna panels The transmit power of the panel on the i-th carrier to obtain the second transmit power of each antenna panel on the i-th carrier; or,
  • the The terminal device reduces the transmit power of at least one antenna panel among the plurality of antenna panels according to a first preset rule, or, the terminal device sequentially performs the transmission power of the plurality of antenna panels in the i-th Power allocation on the carrier to obtain the second transmission power of each antenna panel on the i-th carrier;
  • the second condition is that the sum of the power of at least one carrier on an antenna panel exceeds the maximum total transmit power supported by the antenna panel, and the sum of the second transmit power of the plurality of antenna panels on the i-th carrier does not exceed the maximum transmit power supported by the i-th carrier, i is a positive integer, and 1 ⁇ i ⁇ the number of the at least one carrier.
  • whether the same antenna panel satisfies the second condition needs to be judged independently according to the current transmission power.
  • the first preset rule includes at least one of the following:
  • the signal transmitted by the first antenna panel among the plurality of antenna panels on the i-th carrier includes HARQ-ACK information or CSI
  • the signal transmitted by the second antenna panel among the plurality of antenna panels on the i-th carrier does not contain HARQ-ACK information or CSI, reducing the transmission power of the second antenna panel on the i-th carrier;
  • the first preset rule at least includes: reducing the lowest transmission power among the second transmission powers of the plurality of antenna panels on the i-th carrier. Specifically, for example, the transmission power of the antenna panel with the lowest transmission power among the multiple antenna panels is reduced, that is, the transmission power of the higher antenna panel remains unchanged, so as to ensure the transmission reliability of at least part of the transmission layer. Further, if the minimum transmit power of the antenna panel reaches a certain threshold value after the power is reduced, the transmit power of the antenna panel is no longer reduced, but the transmit power of the second-lowest antenna panel is reduced, thereby ensuring the The transmit power has a minimum value that can support transmission.
  • the first preset rule at least includes: reducing the highest transmission power among the second transmission powers of the plurality of antenna panels on the i-th carrier. Specifically, for example, the transmission power of the antenna panel with the highest transmission power among the multiple antenna panels is reduced, that is, the transmission power of the lower antenna panel remains unchanged, so as to ensure that the transmission performance of all transmission layers is equal. Further, if the antenna panel with the highest transmission power is reduced to the same transmission power as the other antenna panel, the terminal device reduces the transmission power of the two antenna panels at the same ratio or at the same power value.
  • the two transmission powers are reduced at the same time to ensure that the first transmission power will not be lower than the second transmission power after the power is reduced. That is, only the current highest transmit power is always reduced.
  • the first preset rule at least includes: if the signal transmitted by the first antenna panel in the plurality of antenna panels on the i-th carrier contains HARQ-ACK information or CSI, the plurality of antenna panels The signal transmitted by the second antenna panel on the i-th carrier does not include HARQ-ACK information or CSI, and the transmit power of the second antenna panel on the i-th carrier is reduced. Specifically, for example, if the first panel transmits HARQ-ACK or CSI on the i-th carrier, and the second panel does not transmit HARQ-ACK information and CSI on the i-th carrier, then reduce the transmission power of the second panel.
  • the first panel transmits HARQ-ACK information on the i-th carrier, and the second panel does not transmit HARQ-ACK information on the i-th carrier, then reduce the transmission power of the second panel.
  • the first panel transmits CSI on the i-th carrier, and the second panel does not transmit HARQ-ACK information and CSI on the i-th carrier, then reduce the transmit power of the second panel.
  • the first preset rule at least includes: reducing the transmit power of the plurality of antenna panels on the i-th carrier in the same proportion. Assuming that the transmit powers of multiple panels on the i-th carrier are respectively P c,1 and P c,2 , the maximum transmit power supported by the terminal device on the i-th carrier is P c,max .
  • the first preset rule at least includes: reducing the transmit power of the plurality of antenna panels on the i-th carrier with the same power value. Specifically, for example, the transmit power corresponding to multiple TCI states is reduced with the same power value.
  • the terminal device does not transmit an uplink signal on the i-th carrier through the third antenna panel.
  • the transmit power of the third antenna panel on the i-th carrier is set to 0.
  • the threshold value is configured by the network device, or the threshold value is reported by the terminal device to the network device through the terminal capability.
  • the threshold value may be the absolute value of the transmit power (such as X dBm), or the threshold value may be the ratio of the transmit power to the maximum transmit power supported on a carrier (that is, between 0 and 1 value).
  • the second transmit power may be directly used as the signal in Transmit power on the i-th carrier.
  • the terminal device according to the first transmit power of each antenna panel on each carrier, the terminal device respectively performs the multiple antenna panels on each carrier in the at least one carrier according to the order of the carrier index from small to large Power allocation on that carrier.
  • the terminal device sequentially performs the multiple transmission on each carrier in the at least one carrier according to the first priority order of the signals on the carrier.
  • the power allocation of the antenna panels on the carrier is not limited to the first transmit power of each antenna panel on each carrier.
  • the first transmit power on the i-th carrier can be directly One transmit power is directly used as the second transmit power on the i-th carrier.
  • the above S330 may specifically include:
  • the terminal device proceeds sequentially according to the first priority order of the signals on the carrier The power allocation of the at least one carrier; wherein, after the power allocation, the sum of the second transmission powers of the at least one carrier on the jth antenna panel does not exceed the maximum transmission power supported on the jth antenna panel, and j is positive an integer, and 1 ⁇ j ⁇ the number of the plurality of antenna panels; or,
  • the terminal device sequentially performs the first priority order of the signals on the carrier.
  • Power allocation of at least one carrier wherein, after power allocation, the sum of the second transmit power of the at least one carrier on the jth antenna panel does not exceed the actual transmit power on the jth antenna panel, j is a positive integer, And 1 ⁇ j ⁇ number of the plurality of antenna panels. If only one carrier is configured on the jth antenna panel, it is only necessary to judge whether the transmit power of the panel on the carrier exceeds the maximum transmit power supported by the panel or the actual transmit power on the panel.
  • the first priority order from high to low is:
  • Periodic SRS or semi-continuous SRS Periodic SRS or semi-continuous SRS.
  • the priority order from high to low is:
  • PUCCH carrying HARQ-ACK information or PUCCH carrying SR, or PUCCH carrying LRR, or PUSCH carrying HARQ-ACK information;
  • the terminal device first performs power allocation of multiple antenna panels on the carrier for each carrier in at least one carrier, and then performs power allocation for each antenna panel in the multiple antenna panels at least Power allocation for a carrier. That is, in this embodiment of the application, the power allocation on the antenna panel and the power allocation on the carrier can be performed independently, and the power allocation on the panel can also be considered during the multi-carrier power allocation process, so that the power allocation on the panel can be effectively Carry out power allocation between carriers and panels, and ensure the uplink transmission performance of multiple carriers on multiple panels on the premise that the transmission power meets the carrier and panel restrictions.
  • the terminal equipment performs power allocation on an antenna panel (panel) first, and then performs power allocation on a carrier.
  • the power allocation on the antenna panel and the power allocation on the carrier are performed independently. Specifically, power allocation is performed through S11 to S13.
  • the terminal device determines first transmit power on each carrier of each panel.
  • the terminal device calculates the transmit power of the uplink signal on a carrier according to the power control parameters of the uplink signal associated with the target panel, which is the first transmit power of the target panel on the carrier.
  • the uplink signal associated with the target panel may be an uplink signal associated with a panel ID of the target panel, or an uplink signal associated with a reference signal set of the target panel.
  • the terminal needs to transmit two uplink signals on carrier 1, where the panel ID associated with the first uplink signal is 0, and the panel ID associated with the second uplink signal is 1, then the first uplink signal is the uplink associated with Panel 0 signal, the second uplink signal is the uplink signal associated with Panel 1.
  • the terminal device calculates the transmit power of the first uplink signal according to the power control parameters of the first uplink signal, which is the transmit power of the terminal on carrier 1 of panel 0; the terminal calculates the second uplink signal according to the power control parameters of the second uplink signal
  • the transmit power of the signal is the transmit power of the terminal on carrier 1 of panel 1.
  • the sum of the transmit power on multiple carriers of a panel exceeds the maximum transmit power of the panel
  • the sum of the transmit power of multiple panels on a carrier exceeds the maximum transmit power of the carrier
  • the sum of the total transmit power of multiple panels exceeds the maximum transmit power of the terminal.
  • the terminal device respectively performs power allocation of multiple carriers on each panel, and determines second transmit power on each carrier of each panel.
  • the power of the multiple carriers is sequentially performed according to the first priority order of the signals carried on the carrier. Allocated so that the sum of the first transmit powers of multiple carriers on the target panel does not exceed the maximum transmit power supported on the target panel.
  • the power is given priority to the carrier where the signal with higher priority is located, and then allocated to the carrier with signal with lower priority.
  • the signal with the lowest priority needs to be transmitted with reduced power until the sum of the transmit power of multiple carriers reaches the maximum transmit power supported on the target panel.
  • the first priority order from high to low is:
  • Periodic SRS or semi-continuous SRS Periodic SRS or semi-continuous SRS.
  • PUCCH carrying HARQ-ACK information or PUCCH carrying SR, or PUCCH carrying LRR, or PUSCH carrying HARQ-ACK information;
  • the first transmit power on each carrier of each panel can be directly used as the second transmit power.
  • the power allocation of the multiple carriers is performed sequentially according to the first priority order of the signals carried on the carriers , so that the sum of the first transmit powers of multiple carriers on the target panel does not exceed the actual transmit power on the target panel.
  • the panel must On the premise of the actual transmit power, the multi-carrier power allocation on the panel is performed according to the first priority order. If the transmit power on a panel is not reduced, the power allocation does not need to be performed, and it is only necessary to determine whether the maximum transmit power supported by the panel is exceeded.
  • the transmit power on the multiple panels is reduced in the same proportion or at least one of them is reduced The transmit power of the panel, so that the sum of the actual transmit power on the multiple panels does not exceed the maximum transmit power supported by the terminal.
  • the terminal has two panels, the total transmit power on the first panel is P 1 , the total transmit power on the second panel is P 2 , and P 1 +P 2 >P UE,max , then the terminal can use the same
  • the actual transmission powers of the two panels are respectively P 1 *P UE,max /(P 1 +P 2 ) and P 2 *P UE,max /(P 1 +P 2 ).
  • the terminal may also reduce the transmit power of one panel, and keep the transmit power of the other panel unchanged, so that the sum of the power of the two panels does not exceed the maximum transmit power of the terminal. For example, you can reduce the transmit power of the panel whose associated CORESET group index is 1 (the panel whose associated CORESET group index is 0 remains unchanged), or reduce the transmit power of the panel whose panel ID is not 0 (the panel whose panel ID is 0 remains unchanged). constant).
  • the terminal needs to perform power allocation of the multiple carriers in sequence according to the first priority order of the signals carried on the carrier, so that the sum of the first transmit powers of the multiple carriers on the target panel does not exceed the The maximum transmit power supported. At the same time, the total transmit power on multiple panels does not exceed the maximum transmit power supported by the terminal.
  • the terminal needs to further perform power allocation on multiple carriers on each panel in sequence according to the first priority order of the signals carried on the carriers, so that the total transmission power on each panel is reduced to the actual transmission power.
  • the terminal device performs power allocation of multiple panels on the carrier for each carrier according to the second transmit power on each carrier of each panel.
  • the target carrier If the sum of the second transmission powers of multiple panels of the terminal on the target carrier exceeds the maximum transmission power supported by the target carrier, then reduce the transmission power of at least one of the multiple panels according to the first preset rule, or according to the specified
  • the power allocation of the multiple panels on the target carrier is performed sequentially in the order of the first priority of the transmission signal, so that the sum of the second transmit powers of the multiple panels of the terminal on the target carrier does not exceed the maximum transmit power supported by the target carrier .
  • the first preset rule includes at least one of the following:
  • the panel with the highest transmission power among the multiple panels that is, the lower transmission power remains unchanged, so as to ensure that the transmission performance of all layers is equivalent.
  • the panel with the highest sending power is reduced to be the same as the sending power of another panel, the sending power of the two panels is reduced at the same ratio or at the same power value. For example, after the first transmission power is reduced to be the same as the second transmission power, if the transmission power still needs to be reduced, the two transmission powers are reduced at the same time to ensure that the first transmission power will not be lower than the second transmission power after the power is reduced. That is, only the current highest transmit power is always reduced.
  • the first panel transmits HARQ-ACK information or CSI on the target carrier, and the second panel does not transmit HARQ-ACK information and CSI on the target carrier, reduce the transmit power of the second panel. In an implementation manner, if the first panel transmits HARQ-ACK information on the target carrier and the second panel does not transmit HARQ-ACK information on the target carrier, then reduce the transmission power of the second panel. In another implementation manner, if the first panel transmits CSI on the target carrier and the second panel does not transmit HARQ-ACK information and CSI on the target carrier, then reduce the transmission power of the second panel.
  • the terminal if multiple panels transmit different transmission layers of the same PUSCH on the target carrier, the terminal reduces the transmit power of at least one of the multiple panels according to a first preset rule, so that multiple The sum of the second transmit powers of the panels on the target carrier does not exceed the maximum transmit power supported by the target carrier.
  • one DCI can schedule PUSCH transmission on multiple panels and target carriers, where different transmission layers are transmitted on target carriers of different panels.
  • the terminal needs to perform the transmission of the multiple panels sequentially according to the first priority order of the transmitted signals on the premise that the sum of the second transmit powers of the multiple panels on the target carrier does not exceed the maximum transmit power supported by the target carrier. Power allocation on the target carrier.
  • the uplink signal will not be transmitted on the carrier of the panel, that is, the panel's The transmit power on this carrier is set to zero.
  • the threshold value is configured by the network device, or is reported by the terminal to the network device through UE capabilities.
  • the threshold value may be the absolute value of the transmit power (for example, X dBm), or the ratio of the transmit power to the maximum transmit power supported on a carrier (that is, a value between 0 and 1).
  • the second transmit power may be directly used as the signal transmit power on the target carrier.
  • the power allocation on the panel and the power allocation on the carrier are performed independently. If the transmission power is reduced in S12, the sum of the first transmission powers of the multiple carriers on the target panel is equal to the target The maximum transmit power supported on the panel, then in S13, in order to ensure that the sum of the second transmit power of multiple panels on the target carrier does not exceed the maximum transmit power supported by the target carrier, the power of some panels on some carriers may be further reduced Power, so that the sum of the first transmit powers of multiple carriers on the target panel is less than the maximum transmit power supported on the target panel, that is, excessive power reduction may occur.
  • the terminal device performs power allocation on the carrier first, and then performs power allocation on the antenna panel (panel).
  • the power allocation on the antenna panel and the power allocation on the carrier are performed independently. Specifically, power allocation is performed through S21 to S23.
  • the terminal determines first transmit power on each carrier of each panel.
  • the target carrier if the sum of the first transmit powers of the multiple panels of the terminal on the target carrier exceeds the maximum transmit power supported by the target carrier, then reduce the transmit power of at least one of the multiple panels according to a first preset rule, Or perform the power allocation of the multiple panels on the target carrier in sequence according to the first priority order of the transmitted signals, so that the sum of the second transmission powers of the multiple panels of the terminal on the target carrier does not exceed that supported by the target carrier Maximum transmit power.
  • a first preset rule and the first priority order refer to the description of Embodiment 1.
  • the first transmit power on the target carrier may be directly used as the second transmit power on the carrier.
  • the power allocation of the multiple carriers is performed sequentially according to the first priority order of the signals on the carriers, So that the sum of the second transmit powers of multiple carriers on the target panel does not exceed the maximum transmit power supported by the target panel. That is to say, the power is given priority to the carrier where the signal with higher priority is located, and then to the carrier where the signal with lower priority is located, until the sum of the transmit power of multiple carriers reaches the maximum transmit power supported by the target panel. Carriers with lower priority need to reduce the transmission power, or do not transmit.
  • the second transmit power can be directly used as The actual transmit power is used for signal transmission.
  • the power allocation of the multiple carriers is performed sequentially according to the first priority order of the signals on the carriers, so that Make the sum of the second transmit powers of multiple carriers on the target panel not exceed the actual transmit power on the target panel.
  • the power is given priority to the carrier where the signal with higher priority is located, and then to the carrier where the signal with lower priority is located, until the sum of the transmit power of multiple carriers reaches the actual transmit power on the target panel.
  • the actual transmit power on the target panel can be determined as follows: if the total transmit power on multiple panels of the terminal exceeds the maximum transmit power supported by the terminal, then reduce the transmit power on the multiple panels in the same proportion or reduce The transmit power of at least one panel is such that the sum of the actual transmit power on the multiple panels does not exceed the maximum transmit power supported by the terminal, and the transmit power on each panel after this step is the actual transmit power. If the total transmit power on multiple panels of the terminal does not exceed the maximum transmit power supported by the terminal, the actual transmit power on the target panel is equal to the sum of the second transmit power of multiple carriers on the target panel, that is, no Redo the power distribution.
  • the terminal needs to perform power allocation of the multiple carriers in sequence according to the first priority order of the signals carried on the carrier, so that the sum of the first transmit powers of the multiple carriers on the target panel does not exceed the The maximum transmit power supported. At the same time, the total transmit power on multiple panels does not exceed the maximum transmit power supported by the terminal.
  • Embodiment 1 for the first priority order.
  • the power allocation on the panel and the power allocation on the carrier are carried out independently. If the transmission power is reduced in the second step, the sum of the second transmission power of multiple panels on the target carrier is equal to the maximum transmit power supported by the target carrier, then in step 3, in order to ensure that the sum of the second transmit power of multiple carriers on the target panel does not exceed the maximum transmit power supported by the target panel, some panels may be further reduced The power on some carriers, so that the sum of the second transmit power of multiple panels on the target carrier is less than the maximum transmit power supported by the target carrier, that is, excessive power reduction may occur.
  • the terminal equipment performs power allocation on the antenna panel (panel) first, and then performs power allocation on the carrier.
  • the power allocation on the antenna panel and the power allocation on the carrier are jointly performed. Specifically, power allocation is performed through S31 to S33.
  • the terminal determines first transmit power on each carrier of each panel.
  • the terminal performs power allocation on multiple carriers on each panel respectively, and determines second transmit power on each carrier on each panel.
  • the power is given priority to the carriers that meet the first condition, and then to the carriers that do not meet the first condition , where the carrier that satisfies the first condition is that the sum of the transmit powers of all panels of the terminal on the carrier does not exceed the maximum transmit power supported on the carrier.
  • the carrier that satisfies the first condition is that the sum of the transmit powers of all panels of the terminal on the carrier does not exceed the maximum transmit power supported on the carrier.
  • the power is given priority to the carrier whose total power on the carrier does not exceed the maximum transmit power supported on the carrier. If there is remaining power within the range of the maximum transmit power supported on the target panel, it is allocated to the total power on the carrier.
  • a carrier that exceeds the maximum transmit power supported on that carrier that is to say, if the total power on a panel exceeds the maximum transmit power supported by the panel, first reduce the transmit power of the carrier with lower priority among the carriers whose power exceeds the maximum power supported by the carrier, so as to ensure The two dimensions of the panel and the carrier do not exceed the maximum transmit power, that is, if the sum of the power of a carrier on a panel exceeds the maximum transmit power in the two dimensions of the panel and the carrier, the transmit power will be reduced preferentially.
  • the transmit power of the terminal on carrier 1/2/3 of panel 1 is P 1,1 , P 2,1 , and P 3,1 respectively
  • the transmit power of terminal on carrier 1/2/3 of panel 2 are P 1,2 , P 2,2 , and P 3,2
  • only carrier 1 satisfies the first condition, that is, P 1,1 +P 1,2 ⁇ P 1,max , P 2,1 +P 2, 2 >P 2,max , P 3,1 +P 3,2 >P 3,max
  • P 1,max , P 2,max , and P 3,max are the maximum transmit power supported on the three carriers.
  • the terminal If the sum of the power of the three carriers on panel 1 exceeds the maximum transmit power P c,1,max supported by panel 1, that is, P 1,1 +P 2,1 +P 3,1 >P c,1,max , Then the terminal first distributes the power P 1,1 to the carrier 1, and then distributes the remaining power (P c,1,max -P 1,1 ) to the carrier 2 and the carrier 3.
  • the terminal first distributes power P 2,1 to carrier 2, and then distributes the remaining power (P c,1,max -P 1,1 -P 2,1 ) to Carrier 3, that is, finally only the carrier 3 that does not satisfy condition 1 and has the lowest priority needs to be reduced in power, so the total transmission power of the three carriers is P c,1,max .
  • the first transmit power on each carrier of each panel can be directly used as the second transmit power.
  • the power is given priority to the carriers that meet the first condition, and then to the carriers that do not meet the first condition,
  • the carrier that satisfies the first condition is that the sum of the transmit powers of all panels of the terminal on the carrier does not exceed the maximum transmit power supported on the carrier, so that the sum of the first transmit powers of multiple carriers on the target panel does not Exceeds the actual transmit power on the target panel.
  • the terminal can first ensure the transmit power of the carrier that meets the first condition, and then distribute the power to the carrier that does not meet the first condition on the premise that the sum of the transmit power of multiple carriers on the panel does not exceed the actual transmit power on the target panel.
  • a conditional other carrier If there are multiple carriers that meet the first condition or do not meet the first condition, power allocation is performed sequentially according to the first priority order, and details are not repeated here.
  • the power allocation does not need to be performed, and it is only necessary to determine whether the maximum transmit power supported by the panel is exceeded.
  • the sum of the first transmit powers of multiple carriers on only one panel exceeds the maximum transmit power supported on the target panel, or the sum of the first transmit powers of multiple carriers on only one panel exceeds the actual transmit power on the target panel , then perform power allocation on the panel according to the above method. And if there are multiple panels that meet the above conditions, it is necessary to perform multi-carrier power allocation according to the above methods respectively.
  • the terminal can perform multi-carrier power allocation on each panel in sequence according to the order of the panel IDs, or the terminal can determine the order of the panels.
  • the second panel judges whether a carrier meets the first condition when performing power allocation, and needs to re-judgment based on the second transmit power of the current first panel on each carrier, instead of first transmit power. For example, when the first panel performs multi-carrier power allocation, the target carrier does not meet the first condition and the transmission power is reduced, so that the sum of the power of the two panels on the target carrier does not exceed the maximum power of the target carrier, so When the second panel performs power allocation, the target carrier is a carrier that satisfies the first condition.
  • the terminal when the terminal performs power allocation, it also considers whether the total power on each carrier and the total power on each panel exceeds the limit.
  • the transmission power of the signal may not be reduced, effectively avoiding the problem of excessive power reduction caused by independent power control in two dimensions, thereby ensuring the performance of uplink transmission.
  • the terminal device According to the second transmit power on each carrier of each panel, the terminal device performs power allocation of multiple panels on the carrier for each carrier.
  • the power allocation of the multiple panels on the target carrier is performed sequentially in the order of the first priority of the transmission signal, so that the sum of the second transmit powers of the multiple panels of the terminal on the target carrier does not exceed the maximum transmit power supported by the target carrier .
  • first preset rule and the first priority order refer to the description in Embodiment 1.
  • the terminal device performs power allocation on the carrier first, and then performs power allocation on the antenna panel (panel).
  • the power allocation on the antenna panel and the power allocation on the carrier are jointly performed. Specifically, power allocation is performed through S41 to S43.
  • the terminal determines first transmit power on each carrier of each panel. Refer to the description in Example 1 for details.
  • S42 For each carrier, perform power allocation among multiple panels on the carrier, and determine second transmit power on each carrier of each panel.
  • the target carrier If the sum of the first transmit powers of multiple panels of the terminal on the target carrier exceeds the maximum transmit power supported by the target carrier, first reduce the transmit power of the panels meeting the second condition on the target carrier so that the multiple panels of the terminal.
  • the sum of the second transmit powers on the target carrier does not exceed the maximum transmit power supported by the target carrier.
  • the sum of the powers of multiple carriers on the panel that meets the second condition exceeds the maximum total transmission power supported by this panel, and the sum of the powers of multiple carriers on the panel that does not meet the second condition does not exceed that supported by this panel Maximum total transmit power.
  • the terminal if it is configured with multiple carriers, it can perform multiple panels on each carrier in sequence according to the order of the carrier index (serving cell index) from small to large, or according to the order of the first priority of the signal on the carrier. on the power distribution.
  • the carrier index serving cell index
  • the terminal can perform multiple panels on each carrier in sequence according to the order of the carrier index (serving cell index) from small to large, or according to the order of the first priority of the signal on the carrier. on the power distribution.
  • the second carrier determines whether a panel meets the second condition when performing power allocation, which needs to be based on the current second transmit power of the panel on the first carrier Re-judgment instead of the first transmit power. For example, when performing power allocation of multiple panels on the first carrier, the first panel satisfies the second condition and is reduced in transmit power, so that the sum of the transmit power on the multiple carriers of the first panel does not exceed the first The maximum transmit power of the panel, so that when the second carrier performs power allocation, the first panel does not meet the second condition.
  • the transmit power of the terminal on carrier 1/2/3 of panel 1 is P 1,1 , P 2,1 and P 3,1 respectively
  • the transmit power of terminal on carrier 1/2/3 of panel 2 is respectively It is P 1,2 , P 2,2 and P 3,2
  • panel 1 satisfies the second condition, that is, P 1,1 +P 2,1 +P 3,1 >P c,1,max
  • panel 2 does not satisfy
  • the second condition is P 1,2 +P 2,2 +P 3,2 ⁇ P c,2,max , where P c,1,max and P c,2,max are the maximum supported on panel 1 and panel 2 transmit power.
  • the terminal device can directly use the first transmit power on the target carrier as the The second transmission power does not need to reduce the power.
  • the terminal when the terminal performs power allocation, it also considers whether the total power on each carrier and the total power on each panel exceeds the limit.
  • the transmission power of the signal may not be reduced, effectively avoiding the problem of excessive power reduction caused by independent power control in two dimensions, thereby ensuring the performance of uplink transmission.
  • the terminal device performs multi-carrier power allocation on each panel according to the second transmit power on each carrier of each panel. For details, refer to the description in Example 2.
  • the target panel may correspond to the jth antenna panel in the foregoing wireless communication method 200 or wireless communication method 300
  • the target carrier may correspond to the foregoing wireless communication method 200 or the i-th carrier in the wireless communication method 300.
  • Fig. 6 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • a processing unit 410 configured to determine a first transmit power of each antenna panel in the plurality of antenna panels on each carrier in at least one carrier;
  • the processing unit 410 is further configured to respectively perform power allocation of each antenna panel on the at least one carrier according to the first transmit power of each antenna panel on each carrier, to obtain the transmission power of each antenna panel on each carrier on the second transmission power;
  • the processing unit 410 is further configured to perform power allocation on the plurality of antenna panels for each carrier in the at least one carrier according to the second transmit power of each antenna panel on each carrier.
  • the processing unit 410 is specifically used for:
  • both i and j are positive integers, and 1 ⁇ j ⁇ number of the plurality of antenna panels.
  • the uplink signal is an uplink signal associated with the identification ID of the jth antenna panel, or the uplink signal is an uplink signal associated with a reference signal set of the jth antenna panel.
  • the processing unit 410 is specifically used for:
  • the at least The power allocation of one carrier obtains the second transmission power of the jth antenna panel on each carrier; wherein, the sum of the second transmission powers of the jth antenna panel on the at least one carrier does not exceed the jth The maximum transmit power supported on the antenna panel; or,
  • the at least The power allocation of one carrier obtains the second transmission power of the jth antenna panel on each carrier; wherein, the sum of the second transmission powers of the jth antenna panel on the at least one carrier does not exceed the jth The actual transmit power on the antenna panel;
  • j is a positive integer, and 1 ⁇ j ⁇ number of the plurality of antenna panels.
  • the processing unit 410 is specifically used for:
  • the power on the jth antenna panel is preferentially allocated to the carrier satisfying the first condition in the at least one carrier, and the The remaining power on the jth antenna panel is sequentially allocated to other carriers in the at least one carrier that do not meet the first condition according to the first priority order of the signals on the carriers;
  • the first condition is that the sum of the transmit powers of all antenna panels of the terminal device on a carrier does not exceed the maximum transmit power supported on the carrier, j is a positive integer, and 1 ⁇ j ⁇ the number of multiple antenna panels quantity.
  • the processing unit 410 is further configured to reduce the transmit power on the multiple antenna panels according to a first ratio. power, to obtain the actual transmit power on the plurality of antenna panels; or,
  • the processing unit 410 is further configured to reduce the transmit power of at least one of the multiple antenna panels to obtain the multiple The actual transmit power on the antenna panel;
  • the sum of the actual transmit powers on the multiple antenna panels does not exceed the maximum transmit power supported by the terminal device.
  • the first ratio is determined based on the maximum transmit power supported by the terminal device and the total transmit power on each antenna panel in the plurality of antenna panels.
  • the at least one antenna panel includes an antenna panel whose associated control resource set CORESET group index is 1, or the at least one antenna panel includes an antenna panel whose antenna panel ID is not 0.
  • the processing unit 410 is specifically used for:
  • the plurality of antennas are sequentially performed according to the first priority order of the transmitted signal Power allocation of the panel on the i-th carrier, where the sum of the transmission powers of the plurality of antenna panels on the i-th carrier after power allocation does not exceed the maximum transmission power supported by the i-th carrier;
  • i is a positive integer.
  • the first preset rule includes at least one of the following:
  • the second antenna in the plurality of antenna panels does not contain HARQ-ACK information or CSI, reducing the transmit power of the second antenna panel on the i-th carrier;
  • the terminal device does not transmit an uplink signal on the i-th carrier through the third antenna panel.
  • the first priority order from high to low is:
  • Periodic SRS or semi-continuous SRS Periodic SRS or semi-continuous SRS.
  • the priority order from high to low is:
  • PUCCH carrying HARQ-ACK information or PUCCH carrying scheduling request SR, or PUCCH carrying link recovery request LRR, or PUSCH carrying HARQ-ACK information;
  • the aforementioned processing unit may be one or more processors.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are for realizing the method shown in FIG. 4 For the sake of brevity, the corresponding process of the terminal device in 200 will not be repeated here.
  • Fig. 7 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • a processing unit 510 configured to determine a first transmit power of each antenna panel in the plurality of antenna panels on each carrier in at least one carrier;
  • the processing unit 510 is further configured to, according to the first transmit power of each antenna panel on each carrier, respectively perform power allocation of the multiple antenna panels on the carrier for each carrier in the at least one carrier, to obtain The second transmission power of each antenna panel on each carrier;
  • the processing unit 510 is further configured to, according to the second transmit power of each antenna panel on each carrier, respectively perform power allocation on the at least one carrier for each antenna panel in the plurality of antenna panels.
  • the processing unit 510 is specifically used for:
  • both i and j are positive integers, and 1 ⁇ j ⁇ the number of the plurality of antenna panels.
  • the uplink signal is an uplink signal associated with the identification ID of the jth antenna panel, or the uplink signal is an uplink signal associated with a reference signal set of the jth antenna panel.
  • the processing unit 510 is specifically used for:
  • the plurality of antennas are sequentially performed according to the first priority order of the transmitted signal Panel power allocation on the i-th carrier to obtain the second transmit power of each antenna panel on the i-th carrier;
  • the sum of the second transmit powers of the plurality of antenna panels on the i-th carrier does not exceed the maximum transmit power supported by the i-th carrier, i is a positive integer, and 1 ⁇ i ⁇ the number of the at least one carrier .
  • the processing unit 510 is specifically used for:
  • the transmit power on the i-th carrier is obtained to obtain the second transmit power of each antenna panel on the i-th carrier;
  • the first preset rule reduces the transmit power of at least one antenna panel among the plurality of antenna panels, or sequentially performs power allocation of the plurality of antenna panels on the i-th carrier according to the first priority order of the transmitted signals, Obtain the second transmit power of each antenna panel on the i-th carrier;
  • the second condition is that the sum of the power of at least one carrier on an antenna panel exceeds the maximum total transmit power supported by the antenna panel, and the sum of the second transmit power of the plurality of antenna panels on the i-th carrier does not exceed the maximum transmit power supported by the i-th carrier, i is a positive integer, and 1 ⁇ i ⁇ the number of the at least one carrier.
  • whether the same antenna panel satisfies the second condition needs to be judged independently according to the current transmission power.
  • the first preset rule includes at least one of the following:
  • the second antenna in the plurality of antenna panels does not contain HARQ-ACK information or CSI, reducing the transmit power of the second antenna panel on the i-th carrier;
  • the terminal device does not transmit an uplink signal on the i-th carrier through the third antenna panel.
  • the processing unit 510 is specifically used for:
  • each antenna panel on each carrier respectively perform power allocation on the carrier of the plurality of antenna panels on each carrier in the at least one carrier according to the order of carrier index from small to large; or ,
  • each carrier in the at least one carrier is sequentially performed on the power of the plurality of antenna panels on the carrier. distribute.
  • the processing unit 510 is specifically used for:
  • the at least one carrier is sequentially performed according to the first priority order of the signals on the carrier.
  • Carrier power allocation wherein, after power allocation, the sum of the second transmission power of the at least one carrier on the jth antenna panel does not exceed the maximum transmission power supported on the jth antenna panel, j is a positive integer, and 1 ⁇ j ⁇ number of the plurality of antenna panels; or,
  • the at least one carrier is sequentially performed according to the first priority order of the signals on the carrier. power allocation; where, after the power allocation, the sum of the second transmit power of the at least one carrier on the jth antenna panel does not exceed the actual transmit power on the jth antenna panel, j is a positive integer, and 1 ⁇ j ⁇ number of the plurality of antenna panels.
  • the processing unit 510 is further configured to reduce the transmit power on the multiple antenna panels according to a first ratio. power, to obtain the actual transmit power on the plurality of antenna panels; or,
  • the processing unit 510 is further configured to reduce the transmit power of at least one of the multiple antenna panels to obtain the multiple The actual transmit power on the antenna panel;
  • the sum of the actual transmit powers on the multiple antenna panels does not exceed the maximum transmit power supported by the terminal device.
  • the first ratio is determined based on the maximum transmit power supported by the terminal device and the total transmit power on each antenna panel in the plurality of antenna panels.
  • the at least one antenna panel includes an antenna panel whose associated control resource set CORESET group index is 1, or the at least one antenna panel includes an antenna panel whose antenna panel ID is not 0.
  • the first priority order from high to low is:
  • Periodic SRS or semi-continuous SRS Periodic SRS or semi-continuous SRS.
  • the priority order from high to low is:
  • PUCCH carrying HARQ-ACK information or PUCCH carrying scheduling request SR, or PUCCH carrying link recovery request LRR, or PUSCH carrying HARQ-ACK information;
  • the aforementioned processing unit may be one or more processors.
  • terminal device 500 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 500 are for realizing the method shown in FIG. 5
  • the corresponding process of the terminal device in 300 will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 8 includes a processor 610, and the processor 610 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 can invoke and run a computer program from the memory 620, so as to implement the method in the embodiment of the present application.
  • the memory 620 may be an independent device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, to send information or data to other devices, or Receive information or data from other devices.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be the network device of the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, the Let me repeat.
  • the communication device 600 may specifically be the terminal device of the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application.
  • the Let me repeat for the sake of brevity, the Let me repeat.
  • Fig. 9 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 700 shown in FIG. 9 includes a processor 710, and the processor 710 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the device 700 may further include a memory 720 .
  • the processor 710 can invoke and run a computer program from the memory 720, so as to implement the method in the embodiment of the present application.
  • the memory 720 may be an independent device independent of the processor 710 , or may be integrated in the processor 710 .
  • the device 700 may further include an input interface 730 .
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, specifically, may obtain information or data sent by other devices or chips.
  • the device 700 may further include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the device can be applied to the network device in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network device in the methods of the embodiments of the present application. For the sake of brevity, details are not repeated here.
  • the device can be applied to the terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it may be a system-on-a-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
  • FIG. 10 is a schematic block diagram of a communication system 800 provided by an embodiment of the present application. As shown in FIG. 10 , the communication system 800 includes a terminal device 810 and a network device 820 .
  • the terminal device 810 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 820 can be used to realize the corresponding functions realized by the network device in the above method. repeat.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, I won't repeat them here.
  • the computer-readable storage medium can be applied to the terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiments of the present application. For the sake of brevity, I won't repeat them here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For brevity, This will not be repeated here.
  • the computer program product can be applied to the terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application, and when the computer program is run on the computer, the computer executes the corresponding process implemented by the network device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
  • the computer program can be applied to the terminal device in the embodiment of the present application.
  • the computer program executes the corresponding process implemented by the terminal device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

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Abstract

本申请实施例提供了一种无线通信的方法和终端设备,可以有效的进行载波间和panel间的功率分配,从而在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。该无线通信的方法,包括:终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;该终端设备根据该每个天线面板在各个载波上的第一发送功率,分别进行该每个天线面板在该至少一个载波上的功率分配,得到该每个天线面板在各个载波上的第二发送功率;该终端设备根据该每个天线面板在各个载波上的第二发送功率,对该至少一个载波中的每个载波分别进行该多个天线面板的功率分配。

Description

无线通信的方法和终端设备 技术领域
本申请实施例涉及通信领域,并且更具体地,涉及一种无线通信的方法和终端设备。
背景技术
如果终端设备的多个载波上的发送功率之和超过该终端设备支持的最大发送功率,则该终端设备会按照一定的优先级顺序进行功率分配,比如把功率优先分给信号优先级较高的载波,从而保证总的发送功率不会超过该终端设备支持的最大发送功率。然而,如果终端设备配置了多个天线面板(panel),每个天线面板上支持多个载波,且多个panel的发送功率是独立控制的,此种情况下,如何进行载波和panel这两个维度的功率控制同时保证上行传输性能,是需要解决的问题。
发明内容
本申请实施例提供了一种无线通信的方法和终端设备,可以有效的进行载波间和panel间的功率分配,从而在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
第一方面,提供了一种无线通信的方法,该方法包括:
终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
该终端设备根据该每个天线面板在各个载波上的第一发送功率,分别进行该每个天线面板在该至少一个载波上的功率分配,得到该每个天线面板在各个载波上的第二发送功率;
该终端设备根据该每个天线面板在各个载波上的第二发送功率,对该至少一个载波中的每个载波分别进行该多个天线面板的功率分配。
第二方面,提供了一种无线通信的方法,该方法包括:
终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
该终端设备根据该每个天线面板在各个载波上的第一发送功率,对该至少一个载波中的每个载波分别进行该多个天线面板在该载波上的功率分配,得到该每个天线面板在各个载波上的第二发送功率;
该终端设备根据该每个天线面板在各个载波上的第二发送功率,对该多个天线面板中的每个天线面板分别进行该至少一个载波的功率分配。
第三方面,提供了一种终端设备,用于执行上述第一方面中的方法。
具体地,该终端设备包括用于执行上述第一方面中的方法的功能模块。
第四方面,提供了一种终端设备,用于执行上述第二方面中的方法。
具体地,该终端设备包括用于执行上述第二方面中的方法的功能模块。
第五方面,提供了一种终端设备,包括处理器和存储器;该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,使得该终端设备执行上述第一方面中的方法。
第六方面,提供了一种终端设备,包括处理器和存储器;该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,使得该终端设备执行上述第二方面中的方法。
第七方面,提供了一种装置,用于实现上述第一方面至第二方面中的任一方面中的方法。
具体地,该装置包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有该装置的设备执行如上述第一方面至第二方面中的任一方面中的方法。
第八方面,提供了一种计算机可读存储介质,用于存储计算机程序,该计算机程序使得计算机执行上述第一方面至第二方面中的任一方面中的方法。
第九方面,提供了一种计算机程序产品,包括计算机程序指令,所述计算机程序指令使得计算机执行上述第一方面至第二方面中的任一方面中的方法。
第十方面,提供了一种计算机程序,当其在计算机上运行时,使得计算机执行上述第一方面至第二方面中的任一方面中的方法。
通过上述第一方面的技术方案,终端设备先分别进行多个天线面板中的每个天线面板在至少一个载波上的功率分配,然后对至少一个载波中的每个载波分别进行多个天线面板的功率分配。也即,在本技术方案中,天线面板上的功率分配和载波上的功率分配可以是独立进行的也可以在天线面板的功率分配过程中考虑多载波的功率分配,从而可以有效的进行载波间和panel间的功率分配,在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
通过上述第二方面的技术方案,终端设备先对至少一个载波中的每个载波分别进行多个天线面板在该载波上的功率分配,然后对多个天线面板中的每个天线面板分别进行至少一个载波的功率分配。 也即,在本技术方案中,天线面板上的功率分配和载波上的功率分配可以是独立进行的,也可以在多载波的功率分配过程中同时考虑panel上的功率分配,从而可以有效的进行载波间和panel间的功率分配,在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
附图说明
图1是本申请实施例应用的一种通信系统架构的示意性图。
图2是本申请提供的基于多panel的PUSCH传输的示意性图。
图3是本申请提供的各种最大发送功率的示意性图。
图4是根据本申请实施例提供的一种无线通信的方法的示意性流程图。
图5是根据本申请实施例提供的另一种无线通信的方法的示意性流程图。
图6是根据本申请实施例提供的一种终端设备的示意性框图。
图7是根据本申请实施例提供的另一种终端设备的示意性框图。
图8是根据本申请实施例提供的一种通信设备的示意性框图。
图9是根据本申请实施例提供的一种装置的示意性框图。
图10是根据本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。针对本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)系统、先进的长期演进(Advanced long term evolution,LTE-A)系统、新无线(New Radio,NR)系统、NR系统的演进系统、非授权频谱上的LTE(LTE-based access to unlicensed spectrum,LTE-U)系统、非授权频谱上的NR(NR-based access to unlicensed spectrum,NR-U)系统、非地面通信网络(Non-Terrestrial Networks,NTN)系统、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、无线局域网(Wireless Local Area Networks,WLAN)、物联网(internet of things,IoT)、无线保真(Wireless Fidelity,WiFi)、第五代通信(5th-Generation,5G)系统或其他通信系统等。
通常来说,传统的通信系统支持的连接数有限,也易于实现,然而,随着通信技术的发展,移动通信系统将不仅支持传统的通信,还将支持例如,设备到设备(Device to Device,D2D)通信,机器到机器(Machine to Machine,M2M)通信,机器类型通信(Machine Type Communication,MTC),车辆间(Vehicle to Vehicle,V2V)通信,或车联网(Vehicle to everything,V2X)通信等,本申请实施例也可以应用于这些通信系统。
在一些实施例中,本申请实施例中的通信系统可以应用于载波聚合(Carrier Aggregation,CA)场景,也可以应用于双连接(Dual Connectivity,DC)场景,还可以应用于独立(Standalone,SA)布网场景,或者应用于非独立(Non-Standalone,NSA)布网场景。
在一些实施例中,本申请实施例中的通信系统可以应用于非授权频谱,其中,非授权频谱也可以认为是共享频谱;或者,本申请实施例中的通信系统也可以应用于授权频谱,其中,授权频谱也可以认为是非共享频谱。
在一些实施例中,本申请实施例中的通信系统可以应用于FR1频段(对应频段范围410MHz到7.125GHz),也可以应用于FR2频段(对应频段范围24.25GHz到52.6GHz),还可以应用于新的频段例如对应52.6GHz到71GHz频段范围或对应71GHz到114.25GHz频段范围的高频频段。
本申请实施例结合网络设备和终端设备描述了各个实施例,其中,终端设备也可以称为用户设备(User Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置等。
终端设备可以是WLAN中的站点(STATION,ST),可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字助理(Personal Digital Assistant,PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、下一代通信系统例如NR网络中的终端设备,或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)网络中的终端设备等。
在本申请实施例中,终端设备可以部署在陆地上,包括室内或室外、手持、穿戴或车载;也可以 部署在水面上(如轮船等);还可以部署在空中(例如飞机、气球和卫星上等)。
在本申请实施例中,终端设备可以是手机(Mobile Phone)、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(Virtual Reality,VR)终端设备、增强现实(Augmented Reality,AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self driving)中的无线终端设备、远程医疗(remote medical)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备或智慧家庭(smart home)中的无线终端设备、车载通信设备、无线通信芯片/专用集成电路(application specific integrated circuit,ASIC)/系统级芯片(System on Chip,SoC)等。
作为示例而非限定,在本申请实施例中,该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备,是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称,如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上,或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备,更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能,例如:智能手表或智能眼镜等,以及只专注于某一类应用功能,需要和其它设备如智能手机配合使用,如各类进行体征监测的智能手环、智能首饰等。
在本申请实施例中,网络设备可以是用于与移动设备通信的设备,网络设备可以是WLAN中的接入点(Access Point,AP),GSM或CDMA中的基站(Base Transceiver Station,BTS),也可以是WCDMA中的基站(NodeB,NB),还可以是LTE中的演进型基站(Evolutional Node B,eNB或eNodeB),或者中继站或接入点,或者车载设备、可穿戴设备以及NR网络中的网络设备或者基站(gNB)或者未来演进的PLMN网络中的网络设备或者NTN网络中的网络设备等。
作为示例而非限定,在本申请实施例中,网络设备可以具有移动特性,例如网络设备可以为移动的设备。在一些实施例中,网络设备可以为卫星、气球站。例如,卫星可以为低地球轨道(low earth orbit,LEO)卫星、中地球轨道(medium earth orbit,MEO)卫星、地球同步轨道(geostationary earth orbit,GEO)卫星、高椭圆轨道(High Elliptical Orbit,HEO)卫星等。在一些实施例中,网络设备还可以为设置在陆地、水域等位置的基站。
在本申请实施例中,网络设备可以为小区提供服务,终端设备通过该小区使用的传输资源(例如,频域资源,或者说,频谱资源)与网络设备进行通信,该小区可以是网络设备(例如基站)对应的小区,小区可以属于宏基站,也可以属于小小区(Small cell)对应的基站,这里的小小区可以包括:城市小区(Metro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等,这些小小区具有覆盖范围小、发射功率低的特点,适用于提供高速率的数据传输服务。
示例性的,本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110,网络设备110可以是与终端设备120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的终端设备进行通信。
图1示例性地示出了一个网络设备和两个终端设备,在一些实施例中,该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备,本申请实施例对此不做限定。
在一些实施例中,该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体,本申请实施例对此不作限定。
应理解,本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例,通信设备可包括具有通信功能的网络设备110和终端设备120,网络设备110和终端设备120可以为上文所述的具体设备,此处不再赘述;通信设备还可包括通信系统100中的其他设备,例如网络控制器、移动管理实体等其他网络实体,本申请实施例中对此不做限定。
应理解,本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
应理解,本文涉及第一通信设备和第二通信设备,第一通信设备可以是终端设备,例如手机,机器设施,用户前端设备(Customer Premise Equipment,CPE),工业设备,车辆等;第二通信设备可以是第一通信设备的对端通信设备,例如网络设备,手机,工业设备,车辆等。本文中以第一通信设备是终端设备和第二通信设备是网络设备为具体实例进行描述。
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释,而非旨在限定本申请。本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等 是用于区别不同对象,而不是用于描述特定顺序。此外,术语“包括”和“具有”以及它们任何变形,意图在于覆盖不排他的包含。
应理解,在本申请的实施例中提到的“指示”可以是直接指示,也可以是间接指示,还可以是表示具有关联关系。举例说明,A指示B,可以表示A直接指示B,例如B可以通过A获取;也可以表示A间接指示B,例如A指示C,B可以通过C获取;还可以表示A和B之间具有关联关系。
在本申请实施例的描述中,术语“对应”可表示两者之间具有直接对应或间接对应的关系,也可以表示两者之间具有关联关系,也可以是指示与被指示、配置与被配置等关系。
本申请实施例中,“预定义”或“预配置”可以通过在设备(例如,包括终端设备和网络设备)中预先保存相应的代码、表格或其他可用于指示相关信息的方式来实现,本申请对于其具体的实现方式不做限定。比如预定义可以是指协议中定义的。
本申请实施例中,所述“协议”可以指通信领域的标准协议,例如可以包括LTE协议、NR协议以及应用于未来的通信系统中的相关协议,本申请对此不做限定。
为便于理解本申请实施例的技术方案,以下通过具体实施例详述本申请的技术方案。以下相关技术作为可选方案与本申请实施例的技术方案可以进行任意结合,其均属于本申请实施例的保护范围。本申请实施例包括以下内容中的至少部分内容。
为便于更好的理解本申请实施例,对本申请相关的panel进行说明。
伴随着天线封装技术的不断演进,多个天线阵子(antenna element)可以与芯片嵌套结合,形成一个天线面板或者天线阵列块(panel),这使得在发射机配置多个低相关性的panel成为可能。通过多天线的波束赋性技术,将发送信号能量汇集在某一方向上进行发送,可以有效提升覆盖,进而提高通信的性能。多个panel可以独立的形成发送波束,从而一个终端发射机可以通过不同的波束同时在多个panel上发送数据流,以提升传输的容量或可靠性。
终端设备需要在能力上报中通知网络侧所配置的天线面板的数量。同时,终端设备还可能需要通知网络侧是否具备在多个天线面板上同时传输信号的能力。由于不同panel对应的信道条件是不同的,不同的panel需要根据各自的信道信息采用不同的传输参数。为了得到这些传输参数,需要为不同的panel配置不同的探测参考信号(Sounding Reference Signal,SRS)资源来获得上行信道信息。例如,为了进行上行的波束管理,可以为每个panel配置一个SRS资源集合,从而每个panel分别进行波束管理,确定独立的模拟波束。为了得到物理上行共享信道(Physical Uplink Shared Channel,PUSCH)传输所用的预编码信息,也可以为每个panel配置一个SRS资源集合,用于得到该panel上传输的物理上行控制信道(Physical Uplink Control Channel,PUCCH)所用的波束、预编码向量、传输层数等传输参数。同时,多panel传输也可以应用于PUCCH,即同一个PUCCH资源或者同样时域资源上的PUCCH资源携带的信息可以同时通过不同的panel发送给网络侧。
为了确定传输信号所用的panel,终端可以接收网络设备配置的多个参考信号资源集合,不同参考信号资源集合采用不同的panel发送或接收参考信号。例如,网络设备可以配置多个信道状态信息参考信号(Channel State Information Reference Signal,CSI-RS)资源集合,不同集合在不同的panel上接收;或者,网络设备可以配置多个参考信号集合,不同集合在不同的panel上发送;或者,网络设备可以指示多个物理小区标识(Physical Cell Identifier,PCI),与每个PCI关联的同步信号块(Synchronization Signal Block,SSB)作为一个集合,从而不同的集合在不同的panel上接收。此时,每个上行信号可以关联一个参考信号集合,或者被配置一个参考信号指示信息(如传输配置指示(Transmission Configuration Indicator,TCI)状态或者SRS资源指示(SRS resource indicator,SRI)信息)指示一个参考信号集合中的信号,从而将关联的参考信号集合的发送或接收panel作为所述上行信号的发送panel。或者,网络设备可以给每个上行信号配置一个panel标识(Identity,ID),根据panel ID确定上行信号的发送panel。因此,不同panel上传输的上行信号,可以称为关联不同参考信号资源集合的上行信号,或者关联不同panel ID的上行信号。此时,关联相同参考信号资源集合的上行信号,或者关联相同panel ID的上行信号,都采用相同的panel来传输。
需要说明的是,SSB也可以称为同步信号/物理广播信道块(synchronization signal/physical broadcast channel block,SS/PBCH block)。
为便于更好的理解本申请实施例,对本申请相关的上行非相干传输进行说明。
在NR系统中引入了基于多个发送接收点(Transmission Reception Point,TRP)的上行非相干传输。其中,TRP之间的回传(backhaul)连接可以是理想的或者非理想的,理想的backhaul下TRP之间可以快速动态的进行信息交互,非理想的backhaul下由于时延较大TRP之间只能准静态的进行信息交互。不同TRP同样可以独立调度同一个终端的PUSCH传输。不同PUSCH传输可以配置独立的传输参数,例如波束、预编码矩阵、层数等。所调度的PUSCH传输可以在同样的时隙或不同的时隙 传输。如果终端在同一个时隙被同时调度了多个PUSCH传输,则需要根据自身能力确定如何进行传输。如果终端配置有多个panel,且支持在多个panel上同时传输PUSCH,则可以同时传输这多个PUSCH,且不同panel上传输的PUSCH对准相应的TRP进行模拟赋形,从而通过空间域区分不同的PUSCH,提供上行的频谱效率(如图2中的a)。如果终端只有单个panel,或者不支持多个panel同时传输,则只能在一个panel上传输PUSCH。
不同TRP传输的PUSCH可以基于多个下行控制信息(Downlink Control Information,DCI)进行调度,这些DCI可以通过不同的控制资源集(Control Resource Set,CORESET)来承载。具体的,网络侧配置多个CORESET组,每个TRP采用各自的CORESET组中的CORESET进行调度,即可以通过CORESET组来区分不同的TRP。例如,网络设备可以为每个CORESET配置一个CORESET组索引,不同的索引对应不同的TRP。向不同TRP传输的PUSCH也可以基于单个DCI进行调度,此时所述DCI中需要指示向不同TRP传输的PUSCH分别采用的波束和解调参考信号(Demodulation Reference Signal,DMRS)端口等参数(如图2中的b)。在这种方式下,PUSCH的不同传输层在不同的panel上采用独立的传输参数(如波束,预编码矩阵,功率控制参数等)来传输,但是调制编码方案(Modulation and Coding Scheme,MCS)和物理资源是相同的。
需要说明的是,图2为基于多panel的PUSCH传输,具体地,图2中的a基于多个DCI,图2中的b基于单个DCI。
为便于更好的理解本申请实施例,对本申请所解决的问题进行说明。
如果终端设备的多个载波上的发送功率的和超过终端设备支持的最大发送功率,则终端设备会按照一定的优先级顺序进行功率分配,比如把功率优先分给信号优先级较高的载波,从而保证总的发送功率不会超过终端支持的最大发送功率。如果终端设备配置了多个panel,且多个panel的发送功率是独立控制的,则终端设备需要进行每个panel上的多个载波之间以及多个panel之间的功率控制,以保证多个载波上的功率和以及多个panel上的功率和都不会超过相应的最大功率限制,同时保证所有panel的功率的和不会超过终端设备支持的最大发送功率。如何进行这两个维度(即载波和panel)的功率控制同时保证上行传输性能是需要解决的问题。
基于上述问题,本申请提出了一种功率分配方案,可以有效的进行载波间和panel间的功率分配,从而在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
为便于更好的理解本申请实施例,以下对本申请实施例中的一些术语进行说明。
Panel P的载波C上支持的最大发送功率,或者,Panel P在载波C上支持的最大发送功率,具体是指终端设备在Panel P和载波C上支持的最大发送功率,记为P c,p,max,如图3所示。
Panel P支持的最大发送功率,具体是指终端设备在Panel P的所有载波上能够支持的最大的总发送功率,记为P p,max,如图3所示。
载波C支持的最大发送功率,具体是指终端设备的所有panel在载波C上能够支持的最大的总的发送功率,记为P c,max,如图3所示。
终端设备支持的最大发送功率,具体是指终端设备的所有panel在所有载波上能够支持的最大发送功率,即终端设备的功率等级(power class)对应的发送功率,记为P UE,max,如图3所示。
以下通过具体实施例详述本申请的技术方案。
图4是根据本申请实施例的无线通信的方法200的示意性流程图,如图4所示,该无线通信的方法200可以包括如下内容中的至少部分内容:
S210,终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
S220,该终端设备根据该每个天线面板在各个载波上的第一发送功率,分别进行该每个天线面板在该至少一个载波上的功率分配,得到该每个天线面板在各个载波上的第二发送功率;
S230,该终端设备根据该每个天线面板在各个载波上的第二发送功率,对该至少一个载波中的每个载波分别进行该多个天线面板的功率分配。
在本申请实施例中,终端设备先分别进行多个天线面板中的每个天线面板在至少一个载波上的功率分配,然后对至少一个载波中的每个载波分别进行多个天线面板的功率分配。也即,在本申请实施例中,天线面板上的功率分配和载波上的功率分配可以是独立进行的,也可以在天线面板的功率分配过程中考虑多载波的功率分配,从而可以有效的进行载波间和panel间的功率分配,在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
在本申请实施例中,一个天线面板(panel)上可能会有一个或多个载波。例如,终端设备有两个panel,一个panel上配置了多个载波,另一个panel上只支持一个载波。又例如,两个panel上都配置多个载波,且这两个panel上的载波数量可以相同也可以不同。也即,不同的panel上的载波数量可 以相同也可以不同。
在本申请实施例中,“天线面板(panel)”也可以称之为“天线阵列块”,本申请对此并不限定。
在一些实施例中,该至少一个载波可以是对应的天线面板(panel)上的部分或者全部载波。优选地,该至少一个载波是对应的天线面板(panel)上当前激活的全部载波。具体例如,在上述S210中,该终端设备确定第j个天线面板在至少一个载波中的各个载波上的第一发送功率,j为正整数,且1≤j≤该多个天线面板的数量;其中,该至少一个载波为第j个天线面板上当前激活的全部载波。
在一些实施例中,在上述S210中,该终端设备根据第i个载波上与第j个天线面板关联的上行信号的功率控制参数,计算该上行信号的预期发送功率;以及该终端设备将该预期发送功率确定为该第j个天线面板在该第i个载波上的第一发送功率;其中,i和j均为正整数,且1≤j≤该多个天线面板的数量。以此类推,即可确定第j个天线面板在各个载波上的第一发送功率,进而确定每个天线面板在各个载波上的第一发送功率。
在一些实施例中,该上行信号为与该第j个天线面板的标识(ID)关联的上行信号,或者,该上行信号为与该第j个天线面板的参考信号集合关联的上行信号。
具体例如,在载波1上终端设备需要传输两个上行信号,其中,第一上行信号关联的panel ID为0,第二上行信号关联的panel ID为1,则第一上行信号即为与Panel 0关联的上行信号,第二上行信号即为与Panel 1关联的上行信号。终端设备根据第一上行信号的功率控制参数,计算第一上行信号的发送功率,即为终端设备在panel 0的载波1上的发送功率;终端设备根据第二上行信号的功率控制参数,计算第二上行信号的发送功率,即为终端设备在panel 1的载波1上的发送功率。
需要说明的是,基于每个panel的各个载波上的第一发送功率,可能存在如下三种超过功率门限的情况,针对这三种情况需要进行相应的功率分配:
一个panel的多个载波上的发送功率之和超过该panel的最大发送功率;
多个panel在一个载波上的发送功率之和超过该载波的最大发送功率;
多个panel的总发送功率之和超过终端设备的最大发送功率。
在一些实施例中,示例1,上述S220具体可以包括:
在第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上支持的最大发送功率的情况下,该终端设备按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配,得到该第j个天线面板在各个载波上的第二发送功率;其中,该第j个天线面板在该至少一个载波上的第二发送功率之和不超过该第j个天线面板上支持的最大发送功率;其中,j为正整数,且1≤j≤该多个天线面板的数量。
具体地,在示例1中,如果第j个天线面板上只配置了一个载波,则只需要判断该第j个天线面板在该载波上的发送功率是否超过该第j个天线面板支持的最大发送功率即可。
也就是说,在示例1中,对于第j个天线面板,在至少一个载波的发送功率之和超过第j个天线面板上支持的最大发送功率的前提下,功率优先分给优先级较高的信号所在的载波,再分给优先级较低的信号所在载波,优先级较低的信号需要被降低功率传输,直到至少一个载波的发送功率之和达到(不超过)第j个天线面板上支持的最大发送功率。
在一些实施例中,如果第j个天线面板上的至少一个载波的第一发送功率之和不超过第j个天线面板上支持的最大发送功率,则终端设备可以直接将每个天线面板的各个载波上的第一发送功率作为第二发送功率。
在一些实施例中,示例2,上述S220具体可以包括:
在该第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上的实际发送功率的情况下,该终端设备按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配,得到该第j个天线面板在各个载波上的第二发送功率;其中,该第j个天线面板在该至少一个载波上的第二发送功率之和不超过该第j个天线面板上的实际发送功率;其中,j为正整数,且1≤j≤该多个天线面板的数量。
也就是说,在示例2中,如果因为多个panel上的总发送功率超过终端设备支持的最大发送功率,导致某个panel上的发送功率被降低了,则需要保证所述至少一个载波的总发送功率不超过降低后该panel的实际发送功率。此时要按照第一优先级顺序进行该panel上的多载波功率分配来达到这个目的。如果一个panel上的发送功率没有被降低,则不需要进行所述功率分配,只需要判断是否超过panel支持的最大发送功率(即示例1)。
具体地,在示例2中,如果第j个天线面板上只配置了一个载波,则只需要判断该第j个天线面板在该载波上的发送功率是否超过该第j个天线面板上的实际发送功率即可。
在一些实施例中,示例3,上述S220具体可以包括:
在第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上支持的最大发送功率的情况下,该终端设备将该第j个天线面板上的功率优先分配给该至少一个载波中满足第一条件的载波,以及该终端设备将该第j个天线面板上的剩余功率按照载波上信号的第一优先级顺序依次分给该至少一个载波中不满足该第一条件的其他载波;其中,该第一条件为该终端设备的所有天线面板在一个载波上的发送功率之和不超过该载波上支持的最大发送功率,j为正整数,且1≤j≤该多个天线面板的数量。
也就是说,在示例3中,如果第j个天线面板上的至少一个载波的第一发送功率之和超过第j个天线面板上支持的最大发送功率,则功率优先分给满足第一条件的载波,再分给不满足第一条件的载波,其中,满足第一条件的载波为终端设备的所有天线面板在该载波上的发送功率之和不超过该载波上支持的最大发送功率。可选地,如果满足第一条件的载波有多个,则按照载波上信号的第一优先级顺序依次进行功率分配。可选地,如果不满足第一条件的载波有多个,则也可以按照载波上信号的第一优先级顺序依次进行功率分配。
具体的,在示例3中,功率优先分给载波上的总功率没有超过该载波上支持的最大发送功率的载波,如果在第j个天线面板上支持的最大发送功率的范围内有剩余功率,再分给载波上的总功率超过了该载波上支持的最大发送功率的载波。也就是说,如果一个panel上的总功率超过了该panel支持的最大发送功率,则先降低载波上功率超过载波能够支持的最大功率的载波中优先级较低的载波的发送功率,从而保证在panel和载波两个维度都不超过最大发送功率,即如果一个panel上的一个载波在panel和载波两个维度上的功率和都超过最大发送功率,则会被优先降低发送功率。
在示例3中,具体例如,假设终端设备在panel 1的载波1/2/3上的发送功率分别为P 1,1,P 2,1,和P 3,1,在panel 2的载波1/2/3上的发送功率分别为P 1,2,P 2,2,和P 3,2,且只有载波1满足第一条件,即P 1,1+P 1,2<P 1,max,P 2,1+P 2,2>P 2,max,P 3,1+P 3,2>P 3,max,其中,P 1,max,P 2,max,P 3,max为三个载波上支持的最大发送功率。如果panel 1上的三个载波的功率之和超过panel 1支持的最大发送功率P c,1,max,即P 1,1+P 2,1+P 3,1>P c,1,max,则终端设备优先把功率P 1,1分给载波1,再将剩余的功率(P c,1,max-P 1,1)分给载波2和载波3。假设载波2的优先级高于载波3,则终端设备先把功率P 2,1分给载波2,再将剩余的功率(P c,1,max-P 1,1-P 2,1)分给载波3,即最后只有不满足条件1且优先级最低的载波3的功率需要降低,从而三个载波的总发送功率为P c,1,max
在一些实施例中,示例4,上述S220具体可以包括:
在第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上的实际发送功率的情况下,该终端设备将该第j个天线面板上的功率优先分配给该至少一个载波中满足第一条件的载波,以及该终端设备将该第j个天线面板上的剩余功率按照载波上信号的第一优先级顺序依次分给该至少一个载波中不满足该第一条件的其他载波;其中,该第一条件为该终端设备的所有天线面板在一个载波上的发送功率之和不超过该载波上支持的最大发送功率,j为正整数,且1≤j≤该多个天线面板的数量。
具体地,在示例4中,如果第j个天线面板上的至少一个载波的第一发送功率之和超过第j个天线面板上的实际发送功率,则功率优先分给满足第一条件的载波,再分给不满足第一条件的载波,从而使第j个天线面板上的至少一个载波的第一发送功率之和不超过第j个天线面板上的实际发送功率。
也就是说,在示例4中,如果因为多个天线面板上的总发送功率超过终端设备支持的最大发送功率,导致某个天线面板上的发送功率被降低了,则需要保证该天线面板对应的该至少一个载波的总发送功率不超过降低后该天线面板的实际发送功率。此时要降低该天线面板上部分载波的发送功率。具体地,终端设备可以先保证满足第一条件的载波的发送功率,在天线面板上的至少一个载波的发送功率之和不超过第j个天线面板上的实际发送功率的前提下,再将功率分给不满足第一条件的其他载波。如果满足第一条件的载波有多个,则按照第一优先级顺序依次进行功率分配;或者,如果不满足第一条件的载波有多个,则按照第一优先级顺序依次进行功率分配,具体不再赘述。
具体地,在示例4中,如果第j个天线面板上只配置了一个载波,则只需要判断该第j个天线面板在该载波上的发送功率是否超过该第j个天线面板支持的最大发送功率即可。
可选地,在示例4中,如果一个panel上的发送功率没有被降低,则不需要进行所述功率分配,只需要判断是否超过该panel支持的最大发送功率。
可选地,在示例4中,如果只有一个panel上的至少一个载波的第一发送功率之和超过该panel上支持的最大发送功率,或者,只有一个panel上的至少一个载波的第一发送功率的和超过该panel上的实际发送功率,则按照上述方法进行该panel上的功率分配。而如果有多个panel都满足以上条件,则需要分别按照以上方法进行多载波的功率分配。此时,终端设备可以按照panel ID的顺序依次进行每个panel上的多载波功率分配,或者,由终端实现来决定panel的顺序。
在一些实施例中,在该多个天线面板中不同的天线面板进行功率分配时,同一个载波是否满足该第一条件需要根据当前的发送功率单独判断。
例如,当第一panel完成多载波的功率分配后,第二panel在进行功率分配时判断一个载波是否满足第一条件,需要基于当前第一panel在各个载波上的第二发送功率来重新判断,而不是第一发送功率。例如,在第一panel进行多载波的功率分配时,目标载波不满足第一条件而被降低了发送功率,从而使两个panel在目标载波上的功率之和没有超过目标载波的最大功率,这样在第二panel进行功率分配时,目标载波则是满足第一条件的载波。
在示例4中,假设先进行panel 1再进行panel 2的功率分配,在panel 1上进行功率分配时,载波3不满足第一条件(P 3,1+P 3,2>P 3,max),从而只能在panel 1上降低发送功率。但在panel 2上进行功率分配时,由于载波3在panel 1上的功率降低了导致P’ 3,1+P 3,2<P 3,max,从而载波3在panel 2上满足了第一条件,可以优先分配功率。
在示例4中,终端设备在进行功率分配时,同时考虑各个载波上的总功率和每个panel上的总功率是否超过限制,通过两个维度(载波和panel)协同考虑,在保证总功率满足限制的前提下,尽可能不降低信号的发送功率,有效避免了两个维度独立进行功率控制导致的功率过度降低的问题,从而保证上行传输的性能。
在示例4中,终端设备可以采用以下方法来确定一个天线面板上的实际发送功率。
在一些实施例中,在该多个天线面板上的总发送功率超过该终端设备支持的最大发送功率的情况下,该终端设备降低该多个天线面板中的至少一个天线面板的发送功率,得到该多个天线面板上的实际发送功率;其中,该多个天线面板上的实际发送功率之和不超过该终端设备支持的最大发送功率。
在一些实施例中,在该多个天线面板上的总发送功率超过该终端设备支持的最大发送功率的情况下,该终端设备按照第一比例降低该多个天线面板上的发送功率,得到该多个天线面板上的实际发送功率;其中,该多个天线面板上的实际发送功率之和不超过该终端设备支持的最大发送功率。
在一些实施例中,该第一比例基于该终端设备支持的最大发送功率和该多个天线面板中的各个天线面板上的总发送功率确定。
在一些实施例中,该第一比例也可以由协议约定,或者,该第一比例也可以由网络设备配置。
在一些实施例中,该至少一个天线面板包括关联的控制资源集(CORESET)组索引为1的天线面板,或者,该至少一个天线面板包括天线面板ID(panel ID)不为0的天线面板。
具体地,如果终端设备的多个panel上的总发送功率超过终端设备支持的最大发送功率P UE,max,则以相同的比例降低该多个panel上的发送功率或者降低其中至少一个panel的发送功率,以使该多个panel上的实际发送功率的和不超过终端支持的最大发送功率。
具体例如,终端设备有两个panel,第一panel上的总发送功率为P 1,第二panel上的总发送功率为P 2,且P 1+P 2>P UE,max,则终端设备可以以相同的比例R=P UE,max/(P 1+P 2)降低两个panel的发送功率,从而使降低功率后两个panel的实际发送功率的和不超过P UE,max。降低发送功率后两个panel各自的实际发送功率分别为P 1*P UE,max/(P 1+P 2)和P 2*P UE,max/(P 1+P 2)。
具体又例如,终端设备有两个panel,第一panel上的总发送功率为P 1,第二panel上的总发送功率为P 2,且P 1+P 2>P UE,max,终端设备降低其中一个panel的发送功率,另一个panel的发送功率保持不变,从而,使两个panel的功率之和不超过终端设备的最大发送功率。例如,可以降低关联CORESET组索引为1的panel的发送功率(关联的CORESET组索引为0的panel保持不变),或者,降低panel ID不为0的panel的发送功率(panel ID为0的panel保持不变)。
在一种实施方式中,如果第j个天线面板上的至少一个载波的第一发送功率之和超过第j个天线面板上支持的最大发送功率,且多个天线面板上的总发送功率超过终端设备支持的最大发送功率P UE,max,则终端设备需要按照载波上承载的信号的第一优先级顺序依次进行该至少一个载波的功率分配,以使第j个天线面板上的至少一个载波的第一发送功率之和不超过第j个天线面板上支持的最大发送功率,同时多个天线面板上的总发送功率不超过终端设备支持的最大发送功率。
具体地,如果对每个panel按照前述方法分别进行多载波的功率分配后,多个panel上的总发送功率不超过终端设备支持的最大发送功率,则不需要进一步降低发送功率。如果对每个panel按照前述方法分别进行多载波的功率分配后,多个panel上的总发送功率仍然超过终端支持的最大发送功率,则需要以相同的比例降低该多个panel上的发送功率或者降低其中至少一个panel的发送功率,以使该多个panel上的实际发送功率之和不超过终端设备支持的最大发送功率,功率降低之后每个panel上的发送功率可以称为该panel的实际发送功率。此时,终端设备需要进一步按照载波上承载的信号的第一优先级顺序依次进行每个panel上的多个载波的功率分配,以使每个panel上的总发送功率降低到该实际发送功率。
在一些实施例中,上述S230具体可以包括:
在该多个天线面板在第i个载波上的第二发送功率之和超过该第i个载波支持的最大发送功率的情况下,该终端设备按照第一预设规则降低该多个天线面板中的至少一个天线面板在第i个载波上的发送功率,其中,功率降低之后该多个天线面板在该第i个载波上的发送功率之和不超过该第i个载波支持的最大发送功率,i为正整数。
具体例如,如果该多个天线面板在第i个载波上传输同一个PUSCH的不同传输层,则终端设备按照第一预设规则降低该多个天线面板中的至少一个天线面板的发送功率,以使终端设备的多个天线面板在第i个载波上的第二发送功率之和不超过第i个载波支持的最大发送功率。例如,一个DCI可以调度PUSCH通过多个天线面板在第i个载波上的传输,其中,不同的传输层在不同的天线面板的第i个载波上采用相同的时频资源传输。
具体又例如,如果多个天线面板在第i个载波上传输不同类型的信号或信道,或者,传输相同类型的不同信道或信号(例如不同天线面板上传输两个独立调度的PUSCH或PUCCH),则终端设备需要按照所传输信号的第一优先级顺序依次进行该多个天线面板在第i个载波上的功率分配,从而保证在多个天线面板在第i个载波上的第二发送功率之和不超过第i个载波支持的最大发送功率。
在一些实施例中,该第一预设规则包括以下中的至少之一:
降低该多个天线面板在该第i个载波上的第二发送功率中最低的发送功率;
降低该多个天线面板在该第i个载波上的第二发送功率中最高的发送功率;
若该多个天线面板中的第一天线面板在该第i个载波上传输的信号包含混合自动重传请求-确认(Hybrid Automatic Repeat request Acknowledgement,HARQ-ACK)信息或者信道状态信息(Channel State Information,CSI),该多个天线面板中的第二天线面板在该第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低该第二天线面板在该第i个载波上的发送功率;
以相同比例降低该多个天线面板在该第i个载波上的发送功率;
以相同的功率值降低该多个天线面板在该第i个载波上的发送功率。
在一些实施例中,该第一预设规则至少包括:降低该多个天线面板在该第i个载波上的第二发送功率中最低的发送功率。具体例如,降低多个天线面板中发送功率最低的天线面板的发送功率,即较高的天线面板的发送功率不变,从而保证至少部分传输层的传输可靠性。进一步的,如果降低功率后天线面板的最低发送功率达到一定的门限值,则不再继续降低该天线面板的发送功率,而是降低次低天线面板的发送功率,从而保证每个天线面板的发送功率都有一个能够支持传输的最小值。
在一些实施例中,该第一预设规则至少包括:降低该多个天线面板在该第i个载波上的第二发送功率中最高的发送功率。具体例如,降低多个天线面板中发送功率最高的天线面板的发送功率,即较低的天线面板的发送功率不变,从而保证所有传输层的传输性能相当。进一步的,如果发送功率最高的天线面板降低到与另一个天线面板的发送功率相同后,终端设备以相同的比例或者相同的功率值降低这两个天线面板的发送功率。例如,第一发送功率降低到与第二发送功率相同后,如果仍需要降低发送功率,则这两个发送功率同时降低,保证功率降低后第一发送功率不会不低于第二发送功率,即永远只降低当前最高的发送功率。
在一些实施例中,该第一预设规则至少包括:若该多个天线面板中的第一天线面板在该第i个载波上传输的信号包含HARQ-ACK信息或者CSI,该多个天线面板中的第二天线面板在该第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低该第二天线面板在该第i个载波上的发送功率。具体例如,如果第一panel在第i个载波上传输HARQ-ACK或者CSI,第二panel在第i个载波上不传输HARQ-ACK信息和CSI,则降低第二panel的发送功率。具体又例如,如果第一panel在第i个载波上传输HARQ-ACK信息,第二panel在第i个载波上不传输HARQ-ACK信息,则降低第二panel的发送功率。具体又例如,如果第一panel在第i个载波上传输CSI,第二panel在第i个载波上不传输HARQ-ACK信息和CSI,则降低第二panel的发送功率。
在一些实施例中,该第一预设规则至少包括:以相同比例降低该多个天线面板在该第i个载波上的发送功率。假设多个panel在第i个载波上的发送功率分别为P c,1和P c,2,终端设备在该第i个载波上支持的最大发送功率为P c,max。在(P c,1+P c,2)>P c,max的情况下,等比例降低多个panel上的功率后得到的两个panel上的发送功率分别为:P c,1*P c,max/(P c,1+P c,2)和P c,2*P c,max/(P c,1+P c,2)。
在一些实施例中,该第一预设规则至少包括:以相同的功率值降低该多个天线面板在该第i个载波上的发送功率。具体例如,以相同的功率值降低多个TCI状态对应的发送功率。
在一些实施例中,上述S230具体可以包括:
在该多个天线面板在第i个载波上的第二发送功率之和超过该第i个载波支持的最大发送功率的情况下,该终端设备按照所传输信号的第一优先级顺序依次进行该多个天线面板在该第i个载波上的 功率分配,其中,功率分配之后该多个天线面板在该第i个载波上的发送功率之和不超过该第i个载波支持的最大发送功率,i为正整数。
在一些实施例中,若功率降低之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,或者,若功率分配之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,该终端设备不通过该第三天线面板在该第i个载波上传输上行信号。例如,将第三天线面板在第i个载波上发送功率设为0。
具体的,该门限值由网络设备配置,或者,该门限值由终端设备通过终端能力上报给网络设备。
具体的,该门限值可以是发送功率的绝对值(例如X dBm),或者,该门限值可以是发送功率相对于一个载波上支持的最大发送功率的比值(即0和1之间的数值)。
在一些实施例中,如果终端设备的多个天线面板在第i个载波上的第二发送功率之和不超过第i个载波支持的最大发送功率,则可以直接将第二发送功率作为信号在第i个载波上的发送功率。
在一些实施例中,该第一优先级顺序从高到低依次为:
物理随机接入信道(Physical Random Access Channel,PRACH);
优先级索引为1的PUSCH或PUCCH;
优先级索引为0的PUSCH或PUCCH;
非周期SRS;
周期SRS或半持续SRS。
在一些实施例中,在两个PUSCH或者PUCCH的优先级索引相同的情况下,优先级顺序从高到低依次为:
携带HARQ-ACK信息的PUCCH,或者,携带调度请求(Scheduling Request,SR)的PUCCH,或者,携带链路恢复请求(Link Recovery Request,LRR)的PUCCH,或者,携带HARQ-ACK信息的PUSCH;
携带CSI的PUCCH或PUSCH;
未携带HARQ-ACK信息和CSI的PUSCH,或者,类型2的随机接入过程的PUSCH。
在本申请实施例中,天线面板上的功率分配和载波上的功率分配是独立进行的,如果通过降低发送功率,使第j个天线面板上的至少一个载波的第一发送功率之和等于第j个天线面板上支持的最大发送功率,则为了保证多个天线面板在第i个载波上的第二发送功率之和不超过第i个载波支持的最大发送功率,可能进一步降低某些天线面板在某些载波上的功率,从而使第j个天线面板上的多个载波的第一发送功率之和小于第j个天线面板上支持的最大发送功率,此时可能出现功率过量调整的情况。
因此,在本申请实施例中,终端设备先分别进行多个天线面板中的每个天线面板在至少一个载波上的功率分配,然后对至少一个载波中的每个载波分别进行多个天线面板的功率分配。也即,在本申请实施例中,天线面板上的功率分配和载波上的功率分配可以是独立进行的,也可以在天线面板的功率分配过程中考虑多载波的功率分配,从而可以有效的进行载波间和panel间的功率分配,在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
上文结合图4,详细描述了本申请的一种功率分配方案,下文结合图5,详细描述本申请的另一种功率分配方案,应理解,类似的描述可以相互参考。
图5是根据本申请实施例的无线通信的方法300的示意性流程图,如图5所示,该无线通信的方法300可以包括如下内容中的至少部分内容:
S310,终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
S320,该终端设备根据该每个天线面板在各个载波上的第一发送功率,对该至少一个载波中的每个载波分别进行该多个天线面板在该载波上的功率分配,得到该每个天线面板在各个载波上的第二发送功率;
S330,该终端设备根据该每个天线面板在各个载波上的第二发送功率,对该多个天线面板中的每个天线面板分别进行该至少一个载波的功率分配。
在本申请实施例中,终端设备先对至少一个载波中的每个载波分别进行多个天线面板在该载波上的功率分配,然后对多个天线面板中的每个天线面板分别进行至少一个载波的功率分配。也即,在本申请实施例中,天线面板上的功率分配和载波上的功率分配可以是独立进行的,也可以在多载波的功率分配过程中同时考虑panel上的功率分配,从而可以有效的进行载波间和panel间的功率分配,在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
在一些实施例中,在上述S310中,该终端设备根据第i个载波上与第j个天线面板关联的上行信 号的功率控制参数,计算该上行信号的预期发送功率;以及该终端设备将该预期发送功率确定为该第j个天线面板在该第i个载波上的第一发送功率;其中,i和j均为正整数,且1≤j≤该多个天线面板的数量。以此类推,即可确定第j个天线面板在各个载波上的第一发送功率,进而确定每个天线面板在各个载波上的第一发送功率。
在一些实施例中,该上行信号为与该j个天线面板的标识(ID)关联的上行信号,或者,该上行信号为与该j个天线面板的参考信号集合关联的上行信号。
需要说明的是,基于每个panel的各个载波上的第一发送功率,可能存在如下三种超过功率门限的情况,针对这三种情况需要进行相应的功率分配:
一个panel的多个载波上的发送功率之和超过该panel的最大发送功率;
多个panel在一个载波上的发送功率之和超过该载波的最大发送功率;
多个panel的总发送功率之和超过终端设备的最大发送功率。
在一些实施例中,上述S320具体可以包括:
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率的情况下,该终端设备按照第一预设规则降低该多个天线面板中的至少一个天线面板的发送功率,得到该每个天线面板在该第i个载波上的第二发送功率;或者,
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率的情况下,该终端设备按照所传输信号的第一优先级顺序依次进行该多个天线面板在该第i个载波上的功率分配,得到该每个天线面板在该第i个载波上的第二发送功率;
其中,该多个天线面板在该第i个载波上的第二发送功率之和不超过该第i个载波支持的最大发送功率,i为正整数,且1≤i≤该至少一个载波的数量。
具体地,如果只有一个panel需要在第i个载波上传输信号,则只需要判断该panel在第i个载波上的发送功率是否超过该第i个载波支持的最大发送功率即可。
在一些实施例中,上述S320具体可以包括:
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率的情况下,该终端设备降低该多个天线面板中满足第二条件的天线面板在该第i个载波上的发送功率,得到该每个天线面板在该第i个载波上的第二发送功率;或者,
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率,且该多个天线面板均满足或不满足第二条件的情况下,该终端设备按照第一预设规则降低该多个天线面板中至少一个天线面板的发送功率,或者,该终端设备按照所传输信号的第一优先级顺序依次进行该多个天线面板在该第i个载波上的功率分配,得到每个天线面板在该第i个载波上的第二发送功率;
其中,该第二条件为一个天线面板上的至少一个载波的功率之和超过该天线面板支持的最大的总发送功率,该多个天线面板在该第i个载波上的第二发送功率之和不超过该第i个载波支持的最大发送功率,i为正整数,且1≤i≤该至少一个载波的数量。
在一些实施例中,在对该至少一个载波中的不同载波分别进行功率分配时,同一个天线面板是否满足该第二条件需要根据当前的发送功率单独判断。
在一些实施例中,该第一预设规则包括以下中的至少之一:
降低该多个天线面板在该第i个载波上的第二发送功率中最低的发送功率;
降低该多个天线面板在该第i个载波上的第二发送功率中最高的发送功率;
若该多个天线面板中的第一天线面板在该第i个载波上传输的信号包含HARQ-ACK信息或者CSI,该多个天线面板中的第二天线面板在该第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低该第二天线面板在该第i个载波上的发送功率;
以相同比例降低该多个天线面板在该第i个载波上的发送功率;
以相同的功率值降低该多个天线面板在该第i个载波上的发送功率。
在一些实施例中,该第一预设规则至少包括:降低该多个天线面板在该第i个载波上的第二发送功率中最低的发送功率。具体例如,降低多个天线面板中发送功率最低的天线面板的发送功率,即较高的天线面板的发送功率不变,从而保证至少部分传输层的传输可靠性。进一步的,如果降低功率后天线面板的最低发送功率达到一定的门限值,则不再继续降低该天线面板的发送功率,而是降低次低天线面板的发送功率,从而保证每个天线面板的发送功率都有一个能够支持传输的最小值。
在一些实施例中,该第一预设规则至少包括:降低该多个天线面板在该第i个载波上的第二发送功率中最高的发送功率。具体例如,降低多个天线面板中发送功率最高的天线面板的发送功率,即较低的天线面板的发送功率不变,从而保证所有传输层的传输性能相当。进一步的,如果发送功率最高的天线面板降低到与另一个天线面板的发送功率相同后,终端设备以相同的比例或者相同的功率值降 低这两个天线面板的发送功率。例如,第一发送功率降低到与第二发送功率相同后,如果仍需要降低发送功率,则这两个发送功率同时降低,保证功率降低后第一发送功率不会不低于第二发送功率,即永远只降低当前最高的发送功率。
在一些实施例中,该第一预设规则至少包括:若该多个天线面板中的第一天线面板在该第i个载波上传输的信号包含HARQ-ACK信息或者CSI,该多个天线面板中的第二天线面板在该第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低该第二天线面板在该第i个载波上的发送功率。具体例如,如果第一panel在第i个载波上传输HARQ-ACK或者CSI,第二panel在第i个载波上不传输HARQ-ACK信息和CSI,则降低第二panel的发送功率。具体又例如,如果第一panel在第i个载波上传输HARQ-ACK信息,第二panel在第i个载波上不传输HARQ-ACK信息,则降低第二panel的发送功率。具体又例如,如果第一panel在第i个载波上传输CSI,第二panel在第i个载波上不传输HARQ-ACK信息和CSI,则降低第二panel的发送功率。
在一些实施例中,该第一预设规则至少包括:以相同比例降低该多个天线面板在该第i个载波上的发送功率。假设多个panel在第i个载波上的发送功率分别为P c,1和P c,2,终端设备在该第i个载波上支持的最大发送功率为P c,max。在(P c,1+P c,2)>P c,max的情况下,等比例降低多个panel上的功率后得到的两个panel上的发送功率分别为:P c,1*P c,max/(P c,1+P c,2)和P c,2*P c,max/(P c,1+P c,2)。
在一些实施例中,该第一预设规则至少包括:以相同的功率值降低该多个天线面板在该第i个载波上的发送功率。具体例如,以相同的功率值降低多个TCI状态对应的发送功率。
在一些实施例中,若功率降低之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,或者,若功率分配之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,该终端设备不通过该第三天线面板在该第i个载波上传输上行信号。例如,将第三天线面板在第i个载波上发送功率设为0。
具体的,该门限值由网络设备配置,或者,该门限值由终端设备通过终端能力上报给网络设备。
具体的,该门限值可以是发送功率的绝对值(例如X dBm),或者,该门限值可以是发送功率相对于一个载波上支持的最大发送功率的比值(即0和1之间的数值)。
在一些实施例中,如果终端设备的多个天线面板在第i个载波上的第二发送功率之和不超过第i个载波支持的最大发送功率,则可以直接将第二发送功率作为信号在第i个载波上的发送功率。
在一些实施例中,该终端设备根据该每个天线面板在各个载波上的第一发送功率,按照载波索引从小到大的顺序对该至少一个载波中的每个载波分别进行该多个天线面板在该载波上的功率分配。
在一些实施例中,该终端设备根据该每个天线面板在各个载波上的第一发送功率,按照载波上信号的第一优先级顺序依次对该至少一个载波中的每个载波分别进行该多个天线面板在该载波上的功率分配。
在一些实施例中,如果终端设备的多个天线面板在第i个载波上的第一发送功率的和没有超过第i个载波支持的最大发送功率,则可以直接将第i个载波上的第一发送功率直接作为第i个载波上的第二发送功率。
在一些实施例中,上述S330具体可以包括:
在第j个天线面板上的至少一个载波的第二发送功率之和超过该第j个天线面板上支持的最大发送功率的情况下,该终端设备按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配;其中,功率分配之后该第j个天线面板上的该至少一个载波的第二发送功率之和不超过该第j个天线面板上支持的最大发送功率,j为正整数,且1≤j≤该多个天线面板的数量;或者,
在第j个天线面板上的至少一个载波的第二发送功率之和超过该第j个天线面板上的实际发送功率的情况下,该终端设备按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配;其中,功率分配之后该第j个天线面板上的该至少一个载波的第二发送功率之和不超过该第j个天线面板上的实际发送功率,j为正整数,且1≤j≤该多个天线面板的数量。如果第j个天线面板上只配置了一个载波,则只需要判断该panel在该载波上的发送功率是否超过该panel上支持的最大发送功率或者该panel上的实际发送功率即可。
具体的实施方式可以参考上述图4对应的实施例中的相关描述。
在一些实施例中,该第一优先级顺序从高到低依次为:
PRACH;
优先级索引为1的PUSCH或PUCCH;
优先级索引为0的PUSCH或PUCCH;
非周期探测参考信号SRS;
周期SRS或半持续SRS。
在一些实施例中,在两个PUSCH或者PUCCH的优先级索引相同的情况下,优先级顺序从高到低依次为:
携带HARQ-ACK信息的PUCCH,或者,携带SR的PUCCH,或者,携带LRR的PUCCH,或者,携带HARQ-ACK信息的PUSCH;
携带CSI的PUCCH或PUSCH;
未携带HARQ-ACK信息和CSI的PUSCH,或者,类型2的随机接入过程的PUSCH。
因此,在本申请实施例中,终端设备先对至少一个载波中的每个载波分别进行多个天线面板在该载波上的功率分配,然后对多个天线面板中的每个天线面板分别进行至少一个载波的功率分配。也即,在本申请实施例中,天线面板上的功率分配和载波上的功率分配可以是独立进行的,也可以在多载波的功率分配过程中同时考虑panel上的功率分配,从而可以有效的进行载波间和panel间的功率分配,在发送功率满足载波和panel限制的前提下,保证多个panel上的多个载波的上行传输的性能。
以下通过具体实施例1至实施例4详述本申请技术方案。
实施例1,终端设备先进行天线面板(panel)的功率分配,之后再进行载波的功率分配,天线面板上的功率分配和载波上的功率分配是独立进行的。具体通过S11至S13进行功率分配。
S11,终端设备确定每个panel的各个载波上的第一发送功率。
具体的,终端设备根据一个载波上与目标panel关联的上行信号的功率控制参数,计算该上行信号的发送功率,即为目标panel在该载波上的第一发送功率。
其中,与目标panel关联的上行信号,可以是与目标panel的panel ID关联的上行信号,或者与目标panel的参考信号集合关联的上行信号。
例如,在载波1上终端需要传输两个上行信号,其中第一上行信号关联的panel ID为0,第二上行信号关联的panel ID为1,则第一上行信号即为与Panel 0关联的上行信号,第二上行信号即为与Panel 1关联的上行信号。终端设备根据第一上行信号的功率控制参数,计算第一上行信号的发送功率,即为终端在panel 0的载波1上的发送功率;终端根据第二上行信号的功率控制参数,计算第二上行信号的发送功率,即为终端在panel 1的载波1上的发送功率。
基于每个panel的各个载波上的第一发送功率,可能存在以下三种超过功率门限的情况,针对这三种情况需要进行相应的功率分配:
一个panel的多个载波上的发送功率的和超过该panel的最大发送功率;
多个panel在一个载波上的发送功率的和超过该载波的最大发送功率;
多个panel的总发送功率的和超过终端的最大发送功率。
S12,终端设备分别进行每个panel上的多个载波的功率分配,确定每个panel的各个载波上的第二发送功率。
具体的,如果目标panel上的多个载波的第一发送功率的和超过目标panel上支持的最大发送功率,则按照载波上承载的信号的第一优先级顺序依次进行所述多个载波的功率分配,以使目标panel上的多个载波的第一发送功率的和不超过目标panel上支持的最大发送功率。
也就是说,在多载波的发送功率的和不超过目标panel上支持的最大发送功率的前提下,功率优先分给优先级较高的信号所在的载波,再分给优先级较低的信号所在载波,优先级最低的信号则需要被降低功率传输,直到多载波的发送功率的和达到目标panel上支持的最大发送功率。
在一些实现方式中,该第一优先级顺序从高到低依次为:
PRACH;
优先级索引为1的PUSCH或PUCCH;
优先级索引为0的PUSCH或PUCCH;
非周期SRS;
周期SRS或半持续SRS。
如果两个PUSCH或者PUCCH的优先级索引相同,则优先级顺序从高到低依次为:
携带HARQ-ACK信息的PUCCH,或者,携带SR的PUCCH,或者,携带LRR的PUCCH,或者,携带HARQ-ACK信息的PUSCH;
携带信道状态信息CSI的PUCCH或PUSCH;
没有携带HARQ-ACK信息和CSI的PUSCH,或者,Type2随机接入过程的PUSCH。
具体的,如果目标panel上的多个载波的第一发送功率的和不超过目标panel上支持的最大发送功率,则可以直接把每个panel的各个载波上的第一发送功率作为所述第二发送功率。
具体的,如果目标panel上的多个载波的第一发送功率的和超过目标panel上的实际发送功率,则按照载波上承载的信号的第一优先级顺序依次进行所述多个载波的功率分配,以使目标panel上的 多个载波的第一发送功率的和不超过目标panel上的实际发送功率。
也就是说,如果因为多个panel上的总发送功率超过终端支持的最大发送功率,导致某个panel上的发送功率被降低了,则需要在多个载波的总发送功率不超过降低后该panel的实际发送功率的前提下,按照第一优先级顺序进行该panel上的多载波功率分配。如果一个panel上的发送功率没有被降低,则不需要进行所述功率分配,只需要判断是否超过panel支持的最大发送功率。
在一种实施方式中,如果终端的多个panel上的总发送功率超过终端支持的最大发送功率P UE,max,则以相同的比例降低所述多个panel上的发送功率或者降低其中至少一个panel的发送功率,以使所述多个panel上的实际发送功率的和不超过终端支持的最大发送功率。
例如,终端有两个panel,第一panel上的总发送功率为P 1,第二panel上的总发送功率为P 2,且P 1+P 2>P UE,max,则终端可以以相同的比例R=P UE,max/(P 1+P 2)降低两个panel的发送功率,从而使降低功率后两个panel的实际发送功率之和不超过P UE,max。降低发送功率后两个panel各自的实际发送功率分别为P 1*P UE,max/(P 1+P 2)和P 2*P UE,max/(P 1+P 2)。
在另一个例子中,终端也可以降低其中一个panel的发送功率,另一个panel的发送功率保持不变,从而使两个panel的功率的和不超过终端的最大发送功率。例如,可以降低关联CORESET组索引为1的panel的发送功率(关联的CORESET组索引为0的panel保持不变),或者降低panel ID不为0的panel的发送功率(panel ID为0的panel保持不变)。
在一种实施方式中,如果目标panel上的多个载波的第一发送功率的和超过目标panel上支持的最大发送功率,且多个panel上的总发送功率超过终端支持的最大发送功率P UE,max,则终端需要按照载波上承载的信号的第一优先级顺序依次进行所述多个载波的功率分配,以使目标panel上的多个载波的第一发送功率的和不超过目标panel上支持的最大发送功率,同时多个panel上的总发送功率不超过终端支持的最大发送功率。
如果对每个panel按照前述方法分别进行多载波的功率分配后,多个panel上的总发送功率不超过终端支持的最大发送功率,则不需要进一步降低功率。
如果对每个panel按照前述方法分别进行多载波的功率分配后,多个panel上的总发送功率仍然超过终端支持的最大发送功率,则需要以相同的比例降低所述多个panel上的发送功率或者降低其中至少一个panel的发送功率,以使所述多个panel上的实际发送功率的和不超过终端支持的最大发送功率,该步骤后每个panel上的发送功率称为该panel的实际发送功率。此时,终端需要进一步按照载波上承载的信号的第一优先级顺序依次进行每个panel上的多个载波的功率分配,以使每个panel上的总发送功率降低到所述实际发送功率。
S13,终端设备根据每个panel的各个载波上的第二发送功率,对每个载波分别进行多panel在该载波上的功率分配。
如果终端的多个panel在目标载波上的第二发送功率的和超过目标载波支持的最大发送功率,则按照第一预设规则降低所述多个panel中至少一个panel的发送功率,或者按照所传输信号的第一优先级顺序依次进行所述多个panel在目标载波上的功率分配,以使终端的多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率。
其中,第一优先级顺序参考前面的描述。
其中,该第一预设规则包括以下中的至少一个:
1.降低所述多个panel中发送功率最低的panel的发送功率,即较高的发送功率不变,从而保证至少部分传输层的传输可靠性。进一步的,如果降低功率后最低的发送功率达到一定的门限值,则不再继续降低该发送功率,而是降低次低的发送功率,从而保证每个panel的发送功率都有一个能够支持传输的最小值。
2.降低所述多个panel中发送功率最高的panel的发送功率,即较低的发送功率不变,从而保证所有层的传输性能相当。进一步的,如果发送功率最高的panel降低到与另一个panel的发送功率相同后,以相同的比例或者相同的功率值降低这两个panel的发送功率。例如,第一发送功率降低到与第二发送功率相同后,如果仍需要降低发送功率,则这两个发送功率同时降低,保证功率降低后第一发送功率不会不低于第二发送功率,即永远只降低当前最高的发送功率。
3.如果第一panel在目标载波上传输HARQ-ACK信息或者CSI,第二panel在目标载波上不传输HARQ-ACK信息和CSI,则降低第二panel的发送功率。在一种实施方式中,如果第一panel在目标载波上传输HARQ-ACK信息,第二panel在目标载波上不传输HARQ-ACK信息,则降低第二panel的发送功率。在另一种实施方式中,如果第一panel在目标载波上传输CSI,第二panel在目标载波上不传输HARQ-ACK信息和CSI,则降低第二panel的发送功率。
4.以相同比例降低所述多个panel的发送功率。具体的,假设多个panel在目标载波上的发送 功率分别为P c,1和P c,2,终端在该载波上支持的最大发送功率为P c,max。在(P c,1+P c,2)>P c,max的情况下,等比例降低所述多个panel上的功率后得到的两个panel上的发送功率分别为:P c,1*P c,max/(P c,1+P c,2)和P c,2*P c,max/(P c,1+P c,2)。
5.以相同的功率值降低所述多个TCI状态对应的发送功率。
在一种实施方式中,如果多个panel在目标载波上传输同一个PUSCH的不同传输层,则终端按照第一预设规则降低该多个panel中至少一个panel的发送功率,以使终端的多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率。例如,一个DCI可以调度PUSCH在多个panel和目标载波上的传输,其中,不同的传输层在不同的panel的目标载波上传输。
在另一种实施方式中,如果所述多个panel在目标载波上传输不同类型的信号或信道,或者传输相同类型的不同信道或信号(例如不同panel上传输两个独立调度的PUSCH或PUCCH),则终端需要在多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率的前提下,按照所传输信号的第一优先级顺序依次进行所述多个panel在目标载波上的功率分配。
在以上的方法中,如果功率分配或者降低发送功率后一个panel在一个载波上的发送功率低于预设的门限值,则不在所述panel的所述载波上传输上行信号,即该panel的该载波上的发送功率设为0。
具体的,所述门限值由网络设备配置,或者由终端通过UE能力上报给网络设备。
具体的,所述门限值可以是发送功率的绝对值(例如X dBm),或者是发送功率相对于一个载波上支持的最大发送功率的比值(即0和1之间的数值)。
如果终端的多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率,则可以直接将所述第二发送功率作为信号在目标载波上的发送功率。
需要注意的是,本实施例中panel上的功率分配和载波上的功率分配是独立进行的,如果S12中通过降低发送功率,使目标panel上的多个载波的第一发送功率的和等于目标panel上支持的最大发送功率,则在S13时为了保证多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率,可能进一步降低某些panel在某些载波上的功率,从而使目标panel上的多个载波的第一发送功率的和小于目标panel上支持的最大发送功率,即可能出现过度降功率的情况。
实施例2,终端设备先进行载波的功率分配,之后再进行天线面板(panel)的功率分配,天线面板上的功率分配和载波上的功率分配是独立进行的。具体通过S21至S23进行功率分配。
S21,终端确定每个panel的各个载波上的第一发送功率。
S22,对每个载波分别进行多panel在该载波上的功率分配,确定每个panel的各个载波上的第二发送功率。
具体的,如果终端的多个panel在目标载波上的第一发送功率的和超过目标载波支持的最大发送功率,则按照第一预设规则降低所述多个panel中至少一个panel的发送功率,或者按照所传输信号的第一优先级顺序依次进行所述多个panel在目标载波上的功率分配,以使终端的多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率。所述第一预设规则和第一优先级顺序参考实施例1的描述。
如果终端的多个panel在目标载波上的第一发送功率的和没有超过目标载波支持的最大发送功率,则可以直接将目标载波上的第一发送功率直接作为该载波上的第二发送功率。
S23,根据每个panel的各个载波上的第二发送功率,对每个panel分别进行多载波的功率分配。
具体的,如果目标panel上的多个载波的第二发送功率的和超过目标panel上支持的最大发送功率,则按照载波上信号的第一优先级顺序依次进行所述多个载波的功率分配,以使目标panel上的多个载波的第二发送功率的和不超过目标panel上支持的最大发送功率。也就是说,功率优先分给优先级较高的信号所在的载波,再分给优先级较低的信号所在载波,直到多载波的发送功率的和达到目标panel上支持的最大发送功率。优先级较低的载波需要降低发送功率,或者不进行传输。
在另一种实施方式中,如果目标panel上的多个载波的第二发送功率的和不超过目标panel上支持的最大发送功率,则可以直接将第二发送功率作为每个panel的各个载波上的实际发送功率用于信号传输。
具体的,如果目标panel上的多个载波的第二发送功率的和超过目标panel上的实际发送功率,则按照载波上信号的第一优先级顺序依次进行所述多个载波的功率分配,以使目标panel上的多个载波的第二发送功率的和不超过目标panel上的实际发送功率。
也就是说,功率优先分给优先级较高的信号所在的载波,再分给优先级较低的信号所在载波,直到多载波的发送功率的和达到目标panel上的实际发送功率。
具体的,目标panel上的实际发送功率可以这样确定:如果终端的多个panel上的总发送功率超过终端支持的最大发送功率,则以相同的比例降低所述多个panel上的发送功率或者降低其中至少一 个panel的发送功率,以使所述多个panel上的实际发送功率的和不超过终端支持的最大发送功率,该步骤后各个panel上的发送功率即为实际发送功率。如果终端的多个panel上的总发送功率不超过终端支持的最大发送功率,则目标panel上的实际发送功率就等于目标panel上的多个载波的第二发送功率的和,即此时不需要重新进行功率分配。
在另一种实施方式中,如果目标panel上的多个载波的第一发送功率的和超过目标panel上支持的最大发送功率,且多个panel上的总发送功率超过终端支持的最大发送功率PUE,max,则终端需要按照载波上承载的信号的第一优先级顺序依次进行所述多个载波的功率分配,以使目标panel上的多个载波的第一发送功率的和不超过目标panel上支持的最大发送功率,同时多个panel上的总发送功率不超过终端支持的最大发送功率。
具体地,该第一优先级顺序参考实施例1的描述。
需要注意的是,本实施例中panel上的功率分配和载波上的功率分配是独立进行的,如果第2步中通过降低发送功率,使多个panel在目标载波上的第二发送功率的和等于目标载波支持的最大发送功率,则在第3步时为了保证目标panel上的多个载波的第二发送功率的和不超过目标panel上支持的最大发送功率,可能进一步降低某些panel在某些载波上的功率,从而使多个panel在目标载波上的第二发送功率的和小于目标载波支持的最大发送功率,即可能出现过度降功率的情况。
实施例3,终端设备先进行天线面板(panel)的功率分配,之后再进行载波的功率分配,天线面板上的功率分配和载波上的功率分配是联合进行的。具体通过S31至S33进行功率分配。
S31,终端确定每个panel的各个载波上的第一发送功率。
S32,终端分别进行每个panel上的多个载波的功率分配,确定每个panel的各个载波上的第二发送功率。
具体的,如果目标panel上的多个载波的第一发送功率的和超过目标panel上支持的最大发送功率,则功率优先分给满足第一条件的载波,再分给不满足第一条件的载波,其中,满足第一条件的载波为终端的所有panel在该载波上的发送功率的和不超过该载波上支持的最大发送功率。其中,如果满足第一条件的载波有多个,则按照载波上信号的第一优先级顺序依次进行功率分配。如果不满足第一条件的载波有多个,则也可以按照载波上信号的第一优先级顺序依次进行功率分配。
具体的,功率优先分给载波上的总功率没有超过该载波上支持的最大发送功率的载波,如果在目标panel上支持的最大发送功率的范围内有剩余功率,再分给载波上的总功率超过了该载波上支持的最大发送功率的载波。也就是说,如果一个panel上的总功率超过了该panel支持的最大发送功率,则先降低载波上功率超过载波能够支持的最大功率的载波中优先级较低的载波的发送功率,从而保证在panel和载波两个维度都不超过最大发送功率,即如果一个panel上的一个载波在panel和载波两个维度上的功率和都超过最大发送功率,则会被优先降低发送功率。
例如,假设终端在panel 1的载波1/2/3上的发送功率分别为P 1,1,P 2,1,和P 3,1,在panel 2的载波1/2/3上的发送功率分别为P 1,2,P 2,2,和P 3,2,且只有载波1满足第一条件即P 1,1+P 1,2<P 1,max,P 2,1+P 2,2>P 2,max,P 3,1+P 3,2>P 3,max,其中P 1,max,P 2,max,P 3,max为三个载波上支持的最大发送功率。如果panel 1上的三个载波的功率的和超过panel 1支持的最大发送功率P c,1,max,即P 1,1+P 2,1+P 3,1>P c,1,max,则终端优先把功率P 1,1分给载波1,再将剩余的功率(P c,1,max-P 1,1)分给载波2和载波3。假设载波2的优先级高于载波3,则终端先把功率P 2,1分给载波2,再将剩余的功率(P c,1,max-P 1,1-P 2,1)分给载波3,即最后只有不满足条件1且优先级最低的载波3的功率需要降低,从而三个载波的总发送功率为P c,1,max
具体的,如果目标panel上的多个载波的第一发送功率的和不超过目标panel上支持的最大发送功率,则可以直接把每个panel的各个载波上的第一发送功率作为所述第二发送功率。
具体的,如果目标panel上的多个载波的第一发送功率的和超过目标panel上的实际发送功率,则功率优先分给满足第一条件的载波,再分给不满足第一条件的载波,其中,满足第一条件的载波为终端的所有panel在该载波上的发送功率的和不超过该载波上支持的最大发送功率,从而使目标panel上的多个载波的第一发送功率的和不超过目标panel上的实际发送功率。
也就是说,如果因为多个panel上的总发送功率超过终端支持的最大发送功率,导致某个panel上的发送功率被降低了,则相应的需要降低该panel上部分载波的发送功率。此时,终端可以先保证满足第一条件的载波的发送功率,在panel上的多个载波的发送功率的和不超过目标panel上的实际发送功率的前提下,再将功率分给不满足第一条件的其他载波。如果满足第一条件或者不满足第一条件的载波有多个,则按照第一优先级顺序依次进行功率分配,具体不再赘述。
如果一个panel上的发送功率没有被降低,则不需要进行所述功率分配,只需要判断是否超过panel支持的最大发送功率。
如果只有一个panel上的多个载波的第一发送功率的和超过目标panel上支持的最大发送功率, 或者只有一个panel上的多个载波的第一发送功率的和超过目标panel上的实际发送功率,则按照上述方法进行该panel上的功率分配。而如果有多个panel都满足以上条件,则需要分别按照以上方法进行多载波的功率分配。
此时,终端可以按照panel ID的顺序依次进行每个panel上的多载波功率分配,或者由终端实现来决定panel的顺序。
需要注意的是,不同panel上的同一载波是否满足第一条件需要单独判断。当第一panel完成多载波的功率分配后,第二panel在进行功率分配时判断一个载波是否满足第一条件,需要基于当前第一panel在各个载波上的第二发送功率来重新判断,而不是第一发送功率。例如,在第一panel进行多载波的功率分配时,目标载波不满足第一条件而被降低了发送功率,从而使两个panel在目标载波上的功率的和没有超过目标载波的最大功率,这样在第二panel进行功率分配时,目标载波则是满足第一条件的载波。
在上面的例子中,假设先进行panel 1再进行panel 2的功率分配,在panel 1上进行功率分配时,载波3不满足第一条件(P 3,1+P 3,2>P 3,max),从而只能在panel 1上降低发送功率。但在panel 2上进行功率分配时,由于载波3在panel1上的功率降低了导致P’ 3,1+P 3,2<P 3,max,从而载波3在panel2上满足了第一条件,可以优先分配功率。
基于本实施例,终端在进行功率分配时,同时考虑各个载波上的总功率和每个panel上的总功率是否超过限制,通过两个维度协同考虑,在保证总功率满足限制的前提下,尽可能不降低信号的发送功率,有效避免了两个维度独立进行功率控制导致的功率过度降低的问题,从而保证上行传输的性能。
S33,终端设备根据每个panel的各个载波上的第二发送功率,对每个载波分别进行多panel在该载波上的功率分配。
如果终端的多个panel在目标载波上的第二发送功率的和超过目标载波支持的最大发送功率,则按照第一预设规则降低所述多个panel中至少一个panel的发送功率,或者按照所传输信号的第一优先级顺序依次进行所述多个panel在目标载波上的功率分配,以使终端的多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率。其中,第一预设规则和第一优先级顺序参考实施例1中的描述。
实施例4,终端设备先进行载波的功率分配,之后再进行天线面板(panel)的功率分配,天线面板上的功率分配和载波上的功率分配是联合进行的。具体通过S41至S43进行功率分配。
S41,终端确定每个panel的各个载波上的第一发送功率。具体参考实施例1中的描述。
S42,对每个载波分别进行多panel在该载波上的功率分配,确定每个panel的各个载波上的第二发送功率。
如果终端的多个panel在目标载波上的第一发送功率的和超过目标载波支持的最大发送功率,则先降低满足第二条件的panel在目标载波上的发送功率,以使终端的多个panel在目标载波上的第二发送功率的和不超过目标载波支持的最大发送功率。其中,满足第二条件的panel上的多个载波的功率的和超过这个panel支持的最大的总发送功率,不满足第二条件的panel上的多个载波的功率的和不超过这个panel支持的最大的总发送功率。
如果有多个panel都满足第二条件,或者有多个panel都不满足第二条件,则按照第一预设规则降低所述多个panel中至少一个panel的发送功率,或者按照所传输信号的第一优先级顺序依次进行所述多个panel在目标载波上的功率分配。
具体实现时,如果终端配置了多个载波,则可以按照载波索引(serving cell index)从小到大的顺序,或者按照载波上信号的第一优先级顺序依次对每个载波进行多panel在该载波上的功率分配。
需要注意的是,在进行不同载波上的功率分配时,同一个panel是否满足第二条件需要单独判断。当第一载波完成多个panel在该载波上的功率分配后,第二载波在进行功率分配时判断一个panel是否满足第二条件,需要基于当前该panel在第一载波上的第二发送功率来重新判断,而不是第一发送功率。例如,在进行多个panel在第一载波上的功率分配时,第一panel满足第二条件而被降低了发送功率,从而使第一panel的多个载波上的发送功率的和不超过第一panel的最大发送功率,这样在第二载波进行功率分配时,第一panel则不满足第二条件。
例如,假设终端在panel 1的载波1/2/3上的发送功率分别为P 1,1,P 2,1和P 3,1,在panel 2的载波1/2/3上的发送功率分别为P 1,2,P 2,2和P 3,2,且panel 1满足第二条件即P 1,1+P 2,1+P 3,1>P c,1,max,panel 2不满足第二条件即P 1,2+P 2,2+P 3,2<P c,2,max,其中P c,1,max和P c,2,max为panel 1和panel 2上支持的最大发送功率。如果panel 1和panel 2在载波1上的发送功率的和超过载波1支持的最大发送功率(即P 1,1+P 1,2>P 1,max),且panel 1和panel 2在载波2上的发送功率的也和超过载波2支持的最大发送功率(P 2,1+P 2,2>P 2,max),则需要分别对载波1和载波2进行多panel的功率分配。具体的,在载波1上进行功率分配 时,终端先降低满足第二条件的panel 1在载波1上的发送功率P 1,1,panel 2在载波1上的发送功率不变,从而使降低功率后的P’ 1,1+P 1,2=P 1,max。因为panel 1在载波1上的发送功率降低导致P’ 1,1+P 2,1+P 3,1<P c,1,max,从而在载波2上进行功率分配时,panel 1和panel 2都不满足第二条件,需要按照第一预设条件降低功率。
另外,如果终端设备的多个panel在目标载波上的第一发送功率的和没有超过目标载波支持的最大发送功率,则终端设备可以直接将目标载波上的第一发送功率直接作为该载波上的第二发送功率,不需要降低功率。
基于本实施例,终端在进行功率分配时,同时考虑各个载波上的总功率和每个panel上的总功率是否超过限制,通过两个维度协同考虑,在保证总功率满足限制的前提下,尽可能不降低信号的发送功率,有效避免了两个维度独立进行功率控制导致的功率过度降低的问题,从而保证上行传输的性能。
S43,终端设备根据每个panel的各个载波上的第二发送功率,对每个panel分别进行多载波的功率分配。具体参考实施例2中的描述。
需要说明的是,在上述实施例1至实施例4中,目标panel可以对应上述无线通信的方法200或无线通信的方法300中的第j个天线面板,以及目标载波可以对应上述无线通信的方法200或无线通信的方法300中的第i个载波。
上文结合图4至图5,详细描述了本申请的方法实施例,下文结合图6至图7,详细描述本申请的装置实施例,应理解,装置实施例与方法实施例相互对应,类似的描述可以参照方法实施例。
图6示出了根据本申请实施例的终端设备400的示意性框图。如图6所示,该终端设备400包括:
处理单元410,用于确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
该处理单元410,还用于根据该每个天线面板在各个载波上的第一发送功率,分别进行该每个天线面板在该至少一个载波上的功率分配,得到该每个天线面板在各个载波上的第二发送功率;
该处理单元410,还用于根据该每个天线面板在各个载波上的第二发送功率,对该至少一个载波中的每个载波分别进行该多个天线面板的功率分配。
在一些实施例中,该处理单元410具体用于:
根据第i个载波上与第j个天线面板关联的上行信号的功率控制参数,计算该上行信号的预期发送功率;以及将该预期发送功率确定为该第j个天线面板在该第i个载波上的第一发送功率;
其中,i和j均为正整数,且1≤j≤该多个天线面板的数量。
在一些实施例中,该上行信号为与该第j个天线面板的标识ID关联的上行信号,或者,该上行信号为与该第j个天线面板的参考信号集合关联的上行信号。
在一些实施例中,该处理单元410具体用于:
在第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上支持的最大发送功率的情况下,按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配,得到该第j个天线面板在各个载波上的第二发送功率;其中,该第j个天线面板在该至少一个载波上的第二发送功率之和不超过该第j个天线面板上支持的最大发送功率;或者,
在该第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上的实际发送功率的情况下,按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配,得到该第j个天线面板在各个载波上的第二发送功率;其中,该第j个天线面板在该至少一个载波上的第二发送功率之和不超过该第j个天线面板上的实际发送功率;
其中,j为正整数,且1≤j≤该多个天线面板的数量。
在一些实施例中,该处理单元410具体用于:
在第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上支持的最大发送功率的情况下,或者,在第j个天线面板在该至少一个载波上的第一发送功率之和超过该第j个天线面板上的实际发送功率的情况下,将该第j个天线面板上的功率优先分配给该至少一个载波中满足第一条件的载波,以及将该第j个天线面板上的剩余功率按照载波上信号的第一优先级顺序依次分给该至少一个载波中不满足该第一条件的其他载波;
其中,该第一条件为该终端设备的所有天线面板在一个载波上的发送功率之和不超过该载波上支持的最大发送功率,j为正整数,且1≤j≤该多个天线面板的数量。
在一些实施例中,在该多个天线面板中不同的天线面板进行功率分配时,同一个载波是否满足该第一条件需要根据当前的发送功率单独判断。
在一些实施例中,在该多个天线面板上的总发送功率超过该终端设备支持的最大发送功率的情况下,该处理单元410还用于按照第一比例降低该多个天线面板上的发送功率,得到该多个天线面板上 的实际发送功率;或者,
在该多个天线面板上的总发送功率超过该终端设备支持的最大发送功率的情况下,该处理单元410还用于降低该多个天线面板中的至少一个天线面板的发送功率,得到该多个天线面板上的实际发送功率;
其中,该多个天线面板上的实际发送功率之和不超过该终端设备支持的最大发送功率。
在一些实施例中,该第一比例基于该终端设备支持的最大发送功率和该多个天线面板中的各个天线面板上的总发送功率确定。
在一些实施例中,该至少一个天线面板包括关联的控制资源集CORESET组索引为1的天线面板,或者,该至少一个天线面板包括天线面板ID不为0的天线面板。
在一些实施例中,该处理单元410具体用于:
在该多个天线面板在第i个载波上的第二发送功率之和超过该第i个载波支持的最大发送功率的情况下,按照第一预设规则降低该多个天线面板中的至少一个天线面板的发送功率,其中,功率降低之后该多个天线面板在该第i个载波上的发送功率之和不超过该第i个载波支持的最大发送功率;
或者,
在该多个天线面板在第i个载波上的第二发送功率之和超过该第i个载波支持的最大发送功率的情况下,按照所传输信号的第一优先级顺序依次进行该多个天线面板在该第i个载波上的功率分配,其中,功率分配之后该多个天线面板在该第i个载波上的发送功率之和不超过该第i个载波支持的最大发送功率;
其中,i为正整数。
在一些实施例中,该第一预设规则包括以下中的至少之一:
降低该多个天线面板在该第i个载波上的第二发送功率中最低的发送功率;
降低该多个天线面板在该第i个载波上的第二发送功率中最高的发送功率;
若该多个天线面板中的第一天线面板在该第i个载波上传输的信号包含混合自动重传请求-确认HARQ-ACK信息或者信道状态信息CSI,该多个天线面板中的第二天线面板在该第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低该第二天线面板在该第i个载波上的发送功率;
以相同比例降低该多个天线面板在该第i个载波上的发送功率;
以相同的功率值降低该多个天线面板在该第i个载波上的发送功率。
在一些实施例中,若功率降低之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,或者,若功率分配之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,该终端设备不通过该第三天线面板在该第i个载波上传输上行信号。
在一些实施例中,该第一优先级顺序从高到低依次为:
物理随机接入信道PRACH;
优先级索引为1的物理上行共享信道PUSCH或物理上行控制信道PUCCH;
优先级索引为0的PUSCH或PUCCH;
非周期探测参考信号SRS;
周期SRS或半持续SRS。
在一些实施例中,在两个PUSCH或者PUCCH的优先级索引相同的情况下,优先级顺序从高到低依次为:
携带HARQ-ACK信息的PUCCH,或者,携带调度请求SR的PUCCH,或者,携带链路恢复请求LRR的PUCCH,或者,携带HARQ-ACK信息的PUSCH;
携带CSI的PUCCH或PUSCH;
未携带HARQ-ACK信息和CSI的PUSCH,或者,类型2的随机接入过程的PUSCH。
在一些实施例中,上述处理单元可以是一个或多个处理器。
应理解,根据本申请实施例的终端设备400可对应于本申请方法实施例中的终端设备,并且终端设备400中的各个单元的上述和其它操作和/或功能分别为了实现图4所示方法200中终端设备的相应流程,为了简洁,在此不再赘述。
图7示出了根据本申请实施例的终端设备500的示意性框图。如图7所示,该终端设备500包括:
处理单元510,用于确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
该处理单元510,还用于根据该每个天线面板在各个载波上的第一发送功率,对该至少一个载波中的每个载波分别进行该多个天线面板在该载波上的功率分配,得到该每个天线面板在各个载波上的第二发送功率;
该处理单元510,还用于根据该每个天线面板在各个载波上的第二发送功率,对该多个天线面板中的每个天线面板分别进行该至少一个载波的功率分配。
在一些实施例中,该处理单元510具体用于:
根据第i个载波上与第j个天线面板关联的上行信号的功率控制参数,计算该上行信号的预期发送功率;以及该终端设备将该预期上行信号的发送功率确定为该第j个天线面板在该第i个载波上的第一发送功率;
其中,i和j均为正整数,1≤j≤该多个天线面板的数量。
在一些实施例中,该上行信号为与该第j个天线面板的标识ID关联的上行信号,或者,该上行信号为与该第j个天线面板的参考信号集合关联的上行信号。
在一些实施例中,该处理单元510具体用于:
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率的情况下,按照第一预设规则降低该多个天线面板中的至少一个天线面板的发送功率,得到该每个天线面板在该第i个载波上的第二发送功率;或者,
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率的情况下,按照所传输信号的第一优先级顺序依次进行该多个天线面板在该第i个载波上的功率分配,得到该每个天线面板在该第i个载波上的第二发送功率;
其中,该多个天线面板在该第i个载波上的第二发送功率之和不超过该第i个载波支持的最大发送功率,i为正整数,且1≤i≤该至少一个载波的数量。
在一些实施例中,该处理单元510具体用于:
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率的情况下,降低该多个天线面板中满足第二条件的天线面板在该第i个载波上的发送功率,得到该每个天线面板在该第i个载波上的第二发送功率;或者,
在该多个天线面板在第i个载波上的第一发送功率之和超过该第i个载波支持的最大发送功率,且该多个天线面板均满足或不满足第二条件的情况下,按照第一预设规则降低该多个天线面板中至少一个天线面板的发送功率,或者,按照所传输信号的第一优先级顺序依次进行该多个天线面板在该第i个载波上的功率分配,得到该每个天线面板在该第i个载波上的第二发送功率;
其中,该第二条件为一个天线面板上的至少一个载波的功率之和超过该天线面板支持的最大的总发送功率,该多个天线面板在该第i个载波上的第二发送功率之和不超过该第i个载波支持的最大发送功率,i为正整数,且1≤i≤该至少一个载波的数量。
在一些实施例中,在对该至少一个载波中的不同载波分别进行功率分配时,同一个天线面板是否满足该第二条件需要根据当前的发送功率单独判断。
在一些实施例中,该第一预设规则包括以下中的至少之一:
降低该多个天线面板在该第i个载波上的第二发送功率中最低的发送功率;
降低该多个天线面板在该第i个载波上的第二发送功率中最高的发送功率;
若该多个天线面板中的第一天线面板在该第i个载波上传输的信号包含混合自动重传请求-确认HARQ-ACK信息或者信道状态信息CSI,该多个天线面板中的第二天线面板在该第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低该第二天线面板在该第i个载波上的发送功率;
以相同比例降低该多个天线面板在该第i个载波上的发送功率;
以相同的功率值降低该多个天线面板在该第i个载波上的发送功率。
在一些实施例中,若功率降低之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,或者,若功率分配之后该多个天线面板中的第三天线面板在该第i个载波上发送功率低于预设的门限值,该终端设备不通过该第三天线面板在该第i个载波上传输上行信号。
在一些实施例中,该处理单元510具体用于:
根据该每个天线面板在各个载波上的第一发送功率,按照载波索引从小到大的顺序对该至少一个载波中的每个载波分别进行该多个天线面板在该载波上的功率分配;或者,
根据该每个天线面板在各个载波上的第一发送功率,按照载波上信号的第一优先级顺序依次对该至少一个载波中的每个载波分别进行该多个天线面板在该载波上的功率分配。
在一些实施例中,该处理单元510具体用于:
在第j个天线面板上的至少一个载波的第二发送功率之和超过该第j个天线面板上支持的最大发送功率的情况下,按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配;其中,功率分配之后该第j个天线面板上的该至少一个载波的第二发送功率之和不超过该第j个天线面板上支持的最大发送功率,j为正整数,且1≤j≤该多个天线面板的数量;或者,
在第j个天线面板上的至少一个载波的第二发送功率之和超过该第j个天线面板上的实际发送功率的情况下,按照载波上信号的第一优先级顺序依次进行该至少一个载波的功率分配;其中,功率分配之后该第j个天线面板上的该至少一个载波的第二发送功率之和不超过该第j个天线面板上的实际发送功率,j为正整数,且1≤j≤该多个天线面板的数量。
在一些实施例中,在该多个天线面板上的总发送功率超过该终端设备支持的最大发送功率的情况下,该处理单元510还用于按照第一比例降低该多个天线面板上的发送功率,得到该多个天线面板上的实际发送功率;或者,
在该多个天线面板上的总发送功率超过该终端设备支持的最大发送功率的情况下,该处理单元510还用于降低该多个天线面板中的至少一个天线面板的发送功率,得到该多个天线面板上的实际发送功率;
其中,该多个天线面板上的实际发送功率之和不超过该终端设备支持的最大发送功率。
在一些实施例中,该第一比例基于该终端设备支持的最大发送功率和该多个天线面板中的各个天线面板上的总发送功率确定。
在一些实施例中,该至少一个天线面板包括关联的控制资源集CORESET组索引为1的天线面板,或者,该至少一个天线面板包括天线面板ID不为0的天线面板。
在一些实施例中,该第一优先级顺序从高到低依次为:
物理随机接入信道PRACH;
优先级索引为1的物理上行共享信道PUSCH或物理上行控制信道PUCCH;
优先级索引为0的PUSCH或PUCCH;
非周期探测参考信号SRS;
周期SRS或半持续SRS。
在一些实施例中,在两个PUSCH或者PUCCH的优先级索引相同的情况下,优先级顺序从高到低依次为:
携带HARQ-ACK信息的PUCCH,或者,携带调度请求SR的PUCCH,或者,携带链路恢复请求LRR的PUCCH,或者,携带HARQ-ACK信息的PUSCH;
携带CSI的PUCCH或PUSCH;
未携带HARQ-ACK信息和CSI的PUSCH,或者,类型2的随机接入过程的PUSCH。
在一些实施例中,上述处理单元可以是一个或多个处理器。
应理解,根据本申请实施例的终端设备500可对应于本申请方法实施例中的终端设备,并且终端设备500中的各个单元的上述和其它操作和/或功能分别为了实现图5所示方法300中终端设备的相应流程,为了简洁,在此不再赘述。
图8是本申请实施例提供的一种通信设备600示意性结构图。图8所示的通信设备600包括处理器610,处理器610可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
在一些实施例中,如图8所示,通信设备600还可以包括存储器620。其中,处理器610可以从存储器620中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器620可以是独立于处理器610的一个单独的器件,也可以集成在处理器610中。
在一些实施例中,如图8所示,通信设备600还可以包括收发器630,处理器610可以控制该收发器630与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。
其中,收发器630可以包括发射机和接收机。收发器630还可以进一步包括天线,天线的数量可以为一个或多个。
在一些实施例中,该通信设备600具体可为本申请实施例的网络设备,并且该通信设备600可以实现本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
在一些实施例中,该通信设备600具体可为本申请实施例的终端设备,并且该通信设备600可以实现本申请实施例的各个方法中由终端设备实现的相应流程,为了简洁,在此不再赘述。
图9是本申请实施例的装置的示意性结构图。图9所示的装置700包括处理器710,处理器710可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
在一些实施例中,如图9所示,装置700还可以包括存储器720。其中,处理器710可以从存储器720中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器720可以是独立于处理器710的一个单独的器件,也可以集成在处理器710中。
在一些实施例中,该装置700还可以包括输入接口730。其中,处理器710可以控制该输入接口730与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
在一些实施例中,该装置700还可以包括输出接口740。其中,处理器710可以控制该输出接口740与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
在一些实施例中,该装置可应用于本申请实施例中的网络设备,并且该装置可以实现本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
在一些实施例中,该装置可应用于本申请实施例中的终端设备,并且该装置可以实现本申请实施例的各个方法中由终端设备实现的相应流程,为了简洁,在此不再赘述。
在一些实施例中,本申请实施例提到的装置也可以是芯片。例如可以是系统级芯片,系统芯片,芯片系统或片上系统芯片等。
图10是本申请实施例提供的一种通信系统800的示意性框图。如图10所示,该通信系统800包括终端设备810和网络设备820。
其中,该终端设备810可以用于实现上述方法中由终端设备实现的相应的功能,以及该网络设备820可以用于实现上述方法中由网络设备实现的相应的功能,为了简洁,在此不再赘述。
应理解,本申请实施例的处理器可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
可以理解,本申请实施例中的存储器可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。应注意,本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解,上述存储器为示例性但不是限制性说明,例如,本申请实施例中的存储器还可以是静态随机存取存储器(static RAM,SRAM)、动态随机存取存储器(dynamic RAM,DRAM)、同步动态随机存取存储器(synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synch link DRAM,SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)等等。也就是说,本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质,用于存储计算机程序。
在一些实施例中,该计算机可读存储介质可应用于本申请实施例中的网络设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
在一些实施例中,该计算机可读存储介质可应用于本申请实施例中的终端设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序产品,包括计算机程序指令。
在一些实施例中,该计算机程序产品可应用于本申请实施例中的网络设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
在一些实施例中,该计算机程序产品可应用于本申请实施例中的终端设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序。
在一些实施例中,该计算机程序可应用于本申请实施例中的网络设备,当该计算机程序在计算机 上运行时,使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
在一些实施例中,该计算机程序可应用于本申请实施例中的终端设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程,为了简洁,在此不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。针对这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。

Claims (36)

  1. 一种无线通信的方法,其特征在于,包括:
    终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
    所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,分别进行所述每个天线面板在所述至少一个载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率;
    所述终端设备根据所述每个天线面板在各个载波上的第二发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板的功率分配。
  2. 如权利要求1所述的方法,其特征在于,所述终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率,包括:
    所述终端设备根据第i个载波上与第j个天线面板关联的上行信号的功率控制参数,计算所述上行信号的预期发送功率;以及所述终端设备将所述预期发送功率确定为所述第j个天线面板在所述第i个载波上的第一发送功率;
    其中,i和j均为正整数,且1≤j≤所述多个天线面板的数量。
  3. 如权利要求2所述的方法,其特征在于,
    所述上行信号为与所述第j个天线面板的标识ID关联的上行信号,或者,所述上行信号为与所述第j个天线面板的参考信号集合关联的上行信号。
  4. 如权利要求1至3中任一项所述的方法,其特征在于,所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,分别进行所述每个天线面板在所述至少一个载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率,包括:
    在第j个天线面板在所述至少一个载波上的第一发送功率之和超过所述第j个天线面板上支持的最大发送功率的情况下,所述终端设备按照载波上信号的第一优先级顺序依次进行所述至少一个载波的功率分配,得到所述第j个天线面板在各个载波上的第二发送功率;其中,所述第j个天线面板在所述至少一个载波上的第二发送功率之和不超过所述第j个天线面板上支持的最大发送功率;或者,
    在所述第j个天线面板在所述至少一个载波上的第一发送功率之和超过所述第j个天线面板上的实际发送功率的情况下,所述终端设备按照载波上信号的第一优先级顺序依次进行所述至少一个载波的功率分配,得到所述第j个天线面板在各个载波上的第二发送功率;其中,所述第j个天线面板在所述至少一个载波上的第二发送功率之和不超过所述第j个天线面板上的实际发送功率;
    其中,j为正整数,且1≤j≤所述多个天线面板的数量。
  5. 如权利要求1至3中任一项所述的方法,其特征在于,所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,分别进行所述每个天线面板在所述至少一个载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率,包括:
    在第j个天线面板在所述至少一个载波上的第一发送功率之和超过所述第j个天线面板上支持的最大发送功率的情况下,或者,在第j个天线面板在所述至少一个载波上的第一发送功率之和超过所述第j个天线面板上的实际发送功率的情况下,所述终端设备将所述第j个天线面板上的功率优先分配给所述至少一个载波中满足第一条件的载波,以及所述终端设备将所述第j个天线面板上的剩余功率按照载波上信号的第一优先级顺序依次分给所述至少一个载波中不满足所述第一条件的其他载波;
    其中,所述第一条件为所述终端设备的所有天线面板在一个载波上的发送功率之和不超过该载波上支持的最大发送功率,j为正整数,且1≤j≤所述多个天线面板的数量。
  6. 如权利要求5所述的方法,其特征在于,在所述多个天线面板中不同的天线面板进行功率分配时,同一个载波是否满足所述第一条件需要根据当前的发送功率单独判断。
  7. 如权利要求4至6中任一项所述的方法,其特征在于,所述方法还包括:
    在所述多个天线面板上的总发送功率超过所述终端设备支持的最大发送功率的情况下,所述终端设备按照第一比例降低所述多个天线面板上的发送功率,得到所述多个天线面板上的实际发送功率;
    或者,
    在所述多个天线面板上的总发送功率超过所述终端设备支持的最大发送功率的情况下,所述终端设备降低所述多个天线面板中的至少一个天线面板的发送功率,得到所述多个天线面板上的实际发送功率;
    其中,所述多个天线面板上的实际发送功率之和不超过所述终端设备支持的最大发送功率。
  8. 如权利要求7所述的方法,其特征在于,所述第一比例基于所述终端设备支持的最大发送功率和所述多个天线面板中的各个天线面板上的总发送功率确定。
  9. 如权利要求7所述的方法,其特征在于,
    所述至少一个天线面板包括关联的控制资源集CORESET组索引为1的天线面板,或者,所述至 少一个天线面板包括天线面板ID不为0的天线面板。
  10. 如权利要求1至9中任一项所述的方法,其特征在于,
    所述终端设备根据所述每个天线面板在各个载波上的第二发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板的功率分配,包括:
    在所述多个天线面板在第i个载波上的第二发送功率之和超过所述第i个载波支持的最大发送功率的情况下,所述终端设备按照第一预设规则降低所述多个天线面板中的至少一个天线面板的发送功率,其中,功率降低之后所述多个天线面板在所述第i个载波上的发送功率之和不超过所述第i个载波支持的最大发送功率;或者,
    在所述多个天线面板在第i个载波上的第二发送功率之和超过所述第i个载波支持的最大发送功率的情况下,所述终端设备按照所传输信号的第一优先级顺序依次进行所述多个天线面板在所述第i个载波上的功率分配,其中,功率分配之后所述多个天线面板在所述第i个载波上的发送功率之和不超过所述第i个载波支持的最大发送功率;
    其中,i为正整数。
  11. 如权利要求10所述的方法,其特征在于,所述第一预设规则包括以下中的至少之一:
    降低所述多个天线面板在所述第i个载波上的第二发送功率中最低的发送功率;
    降低所述多个天线面板在所述第i个载波上的第二发送功率中最高的发送功率;
    若所述多个天线面板中的第一天线面板在所述第i个载波上传输的信号包含混合自动重传请求-确认HARQ-ACK信息或者信道状态信息CSI,所述多个天线面板中的第二天线面板在所述第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低所述第二天线面板在所述第i个载波上的发送功率;
    以相同比例降低所述多个天线面板在所述第i个载波上的发送功率;
    以相同的功率值降低所述多个天线面板在所述第i个载波上的发送功率。
  12. 如权利要求4,5,10或11所述的方法,其特征在于,所述方法还包括:
    若功率降低之后所述多个天线面板中的第三天线面板在第i个载波上发送功率低于预设的门限值,或者,若功率分配之后所述多个天线面板中的第三天线面板在第i个载波上发送功率低于预设的门限值,所述终端设备不通过所述第三天线面板在所述第i个载波上传输上行信号,i为正整数。
  13. 如权利要求4至12中任一项所述的方法,其特征在于,
    所述第一优先级顺序从高到低依次为:
    物理随机接入信道PRACH;
    优先级索引为1的物理上行共享信道PUSCH或物理上行控制信道PUCCH;
    优先级索引为0的PUSCH或PUCCH;
    非周期探测参考信号SRS;
    周期SRS或半持续SRS。
  14. 如权利要求13所述的方法,其特征在于,
    在两个PUSCH或者PUCCH的优先级索引相同的情况下,优先级顺序从高到低依次为:
    携带HARQ-ACK信息的PUCCH,或者,携带调度请求SR的PUCCH,或者,携带链路恢复请求LRR的PUCCH,或者,携带HARQ-ACK信息的PUSCH;
    携带CSI的PUCCH或PUSCH;
    未携带HARQ-ACK信息和CSI的PUSCH,或者,类型2的随机接入过程的PUSCH。
  15. 一种无线通信的方法,其特征在于,包括:
    终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
    所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板在该载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率;
    所述终端设备根据所述每个天线面板在各个载波上的第二发送功率,对所述多个天线面板中的每个天线面板分别进行所述至少一个载波的功率分配。
  16. 如权利要求15所述的方法,其特征在于,所述终端设备确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率,包括:
    所述终端设备根据第i个载波上与第j个天线面板关联的上行信号的功率控制参数,计算所述上行信号的预期发送功率;以及所述终端设备将所述预期上行信号的发送功率确定为所述第j个天线面板在所述第i个载波上的第一发送功率;
    其中,i和j均为正整数,1≤j≤所述多个天线面板的数量。
  17. 如权利要求16所述的方法,其特征在于,
    所述上行信号为与所述第j个天线面板的标识ID关联的上行信号,或者,所述上行信号为与所述第j个天线面板的参考信号集合关联的上行信号。
  18. 如权利要求15至17中任一项所述的方法,其特征在于,所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板在该载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率,包括:
    在所述多个天线面板在第i个载波上的第一发送功率之和超过所述第i个载波支持的最大发送功率的情况下,所述终端设备按照第一预设规则降低所述多个天线面板中的至少一个天线面板的发送功率,得到所述每个天线面板在所述第i个载波上的第二发送功率;或者,
    在所述多个天线面板在第i个载波上的第一发送功率之和超过所述第i个载波支持的最大发送功率的情况下,所述终端设备按照所传输信号的第一优先级顺序依次进行所述多个天线面板在所述第i个载波上的功率分配,得到所述每个天线面板在所述第i个载波上的第二发送功率;
    其中,所述多个天线面板在所述第i个载波上的第二发送功率之和不超过所述第i个载波支持的最大发送功率,i为正整数,且1≤i≤所述至少一个载波的数量。
  19. 如权利要求15至17中任一项所述的方法,其特征在于,所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板在该载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率,包括:
    在所述多个天线面板在第i个载波上的第一发送功率之和超过所述第i个载波支持的最大发送功率的情况下,所述终端设备降低所述多个天线面板中满足第二条件的天线面板在所述第i个载波上的发送功率,得到所述每个天线面板在所述第i个载波上的第二发送功率;或者,
    在所述多个天线面板在第i个载波上的第一发送功率之和超过所述第i个载波支持的最大发送功率,且所述多个天线面板均满足或不满足第二条件的情况下,所述终端设备按照第一预设规则降低所述多个天线面板中至少一个天线面板的发送功率,或者,所述终端设备按照所传输信号的第一优先级顺序依次进行所述多个天线面板在所述第i个载波上的功率分配,得到所述每个天线面板在所述第i个载波上的第二发送功率;
    其中,所述第二条件为一个天线面板上的至少一个载波的功率之和超过该天线面板支持的最大的总发送功率,所述多个天线面板在所述第i个载波上的第二发送功率之和不超过所述第i个载波支持的最大发送功率,i为正整数,且1≤i≤所述至少一个载波的数量。
  20. 如权利要求19所述的方法,其特征在于,在对所述至少一个载波中的不同载波分别进行功率分配时,同一个天线面板是否满足所述第二条件需要根据当前的发送功率单独判断。
  21. 如权利要求18至20中任一项所述的方法,其特征在于,
    所述第一预设规则包括以下中的至少之一:
    降低所述多个天线面板在所述第i个载波上的第二发送功率中最低的发送功率;
    降低所述多个天线面板在所述第i个载波上的第二发送功率中最高的发送功率;
    若所述多个天线面板中的第一天线面板在所述第i个载波上传输的信号包含混合自动重传请求-确认HARQ-ACK信息或者信道状态信息CSI,所述多个天线面板中的第二天线面板在所述第i个载波上传输的信号不包含HARQ-ACK信息或CSI,降低所述第二天线面板在所述第i个载波上的发送功率;
    以相同比例降低所述多个天线面板在所述第i个载波上的发送功率;
    以相同的功率值降低所述多个天线面板在所述第i个载波上的发送功率。
  22. 如权利要求18至21中任一项所述的方法,其特征在于,所述方法还包括:
    若功率降低之后所述多个天线面板中的第三天线面板在所述第i个载波上发送功率低于预设的门限值,或者,若功率分配之后所述多个天线面板中的第三天线面板在所述第i个载波上发送功率低于预设的门限值,所述终端设备不通过所述第三天线面板在所述第i个载波上传输上行信号。
  23. 如权利要求15至22中任一项所述的方法,其特征在于,
    所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板在该载波上的功率分配,包括:
    所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,按照载波索引从小到大的顺序对所述至少一个载波中的每个载波分别进行所述多个天线面板在该载波上的功率分配;或者,
    所述终端设备根据所述每个天线面板在各个载波上的第一发送功率,按照载波上信号的第一优先级顺序依次对所述至少一个载波中的每个载波分别进行所述多个天线面板在该载波上的功率分配。
  24. 如权利要求15至23中任一项所述的方法,其特征在于,
    所述终端设备根据所述每个天线面板在各个载波上的第二发送功率,对所述多个天线面板中的每个天线面板分别进行基于所述至少一个载波的功率分配,包括:
    在第j个天线面板上的至少一个载波的第二发送功率之和超过所述第j个天线面板上支持的最大发送功率的情况下,所述终端设备按照载波上信号的第一优先级顺序依次进行所述至少一个载波的功率分配;其中,功率分配之后所述第j个天线面板上的所述至少一个载波的第二发送功率之和不超过所述第j个天线面板上支持的最大发送功率,j为正整数,且1≤j≤所述多个天线面板的数量;或者,
    在第j个天线面板上的至少一个载波的第二发送功率之和超过所述第j个天线面板上的实际发送功率的情况下,所述终端设备按照载波上信号的第一优先级顺序依次进行所述至少一个载波的功率分配;其中,功率分配之后所述第j个天线面板上的所述至少一个载波的第二发送功率之和不超过所述第j个天线面板上的实际发送功率,j为正整数,且1≤j≤所述多个天线面板的数量。
  25. 如权利要求24所述的方法,其特征在于,所述方法还包括:
    在所述多个天线面板上的总发送功率超过所述终端设备支持的最大发送功率的情况下,所述终端设备按照第一比例降低所述多个天线面板上的发送功率,得到所述多个天线面板上的实际发送功率;
    或者,
    在所述多个天线面板上的总发送功率超过所述终端设备支持的最大发送功率的情况下,所述终端设备降低所述多个天线面板中的至少一个天线面板的发送功率,得到所述多个天线面板上的实际发送功率;
    其中,所述多个天线面板上的实际发送功率之和不超过所述终端设备支持的最大发送功率。
  26. 如权利要求25所述的方法,其特征在于,所述第一比例基于所述终端设备支持的最大发送功率和所述多个天线面板中的各个天线面板上的总发送功率确定。
  27. 如权利要求25所述的方法,其特征在于,
    所述至少一个天线面板包括关联的控制资源集CORESET组索引为1的天线面板,或者,所述至少一个天线面板包括天线面板ID不为0的天线面板。
  28. 如权利要求18至22、24至27中任一项所述的方法,其特征在于,
    所述第一优先级顺序从高到低依次为:
    物理随机接入信道PRACH;
    优先级索引为1的物理上行共享信道PUSCH或物理上行控制信道PUCCH;
    优先级索引为0的PUSCH或PUCCH;
    非周期探测参考信号SRS;
    周期SRS或半持续SRS。
  29. 如权利要求28所述的方法,其特征在于,
    在两个PUSCH或者PUCCH的优先级索引相同的情况下,优先级顺序从高到低依次为:
    携带HARQ-ACK信息的PUCCH,或者,携带调度请求SR的PUCCH,或者,携带链路恢复请求LRR的PUCCH,或者,携带HARQ-ACK信息的PUSCH;
    携带CSI的PUCCH或PUSCH;
    未携带HARQ-ACK信息和CSI的PUSCH,或者,类型2的随机接入过程的PUSCH。
  30. 一种终端设备,其特征在于,包括:
    处理单元,用于确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
    所述处理单元,还用于根据所述每个天线面板在各个载波上的第一发送功率,分别进行所述每个天线面板在所述至少一个载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率;
    所述处理单元,还用于根据所述每个天线面板在各个载波上的第二发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板的功率分配。
  31. 一种终端设备,其特征在于,包括:
    处理单元,用于确定多个天线面板中的每个天线面板在至少一个载波中的各个载波上的第一发送功率;
    所述处理单元,还用于根据所述每个天线面板在各个载波上的第一发送功率,对所述至少一个载波中的每个载波分别进行所述多个天线面板在该载波上的功率分配,得到所述每个天线面板在各个载波上的第二发送功率;
    所述处理单元,还用于根据所述每个天线面板在各个载波上的第二发送功率,对所述多个天线面板中的每个天线面板分别进行所述至少一个载波的功率分配。
  32. 一种终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述 处理器用于调用并运行所述存储器中存储的计算机程序,使得所述终端设备执行如权利要求1至14中任一项所述的方法,或者,使得所述终端设备执行如权利要求15至29中任一项所述的方法。
  33. 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至14中任一项所述的方法,或者,执行如权利要求15至29中任一项所述的方法。
  34. 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至14中任一项所述的方法,或者,执行如权利要求15至29中任一项所述的方法。
  35. 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至14中任一项所述的方法,或者,执行如权利要求15至29中任一项所述的方法。
  36. 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至14中任一项所述的方法,或者,执行如权利要求15至29中任一项所述的方法。
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