WO2021195880A1 - Procédé et appareil de rapport de marge de puissance, dispositif de réseau et dispositif terminal - Google Patents

Procédé et appareil de rapport de marge de puissance, dispositif de réseau et dispositif terminal Download PDF

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Publication number
WO2021195880A1
WO2021195880A1 PCT/CN2020/082185 CN2020082185W WO2021195880A1 WO 2021195880 A1 WO2021195880 A1 WO 2021195880A1 CN 2020082185 W CN2020082185 W CN 2020082185W WO 2021195880 A1 WO2021195880 A1 WO 2021195880A1
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WO
WIPO (PCT)
Prior art keywords
power headroom
network node
configuration
terminal device
indication information
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Application number
PCT/CN2020/082185
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English (en)
Chinese (zh)
Inventor
王淑坤
石聪
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 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/CN2020/082185 priority Critical patent/WO2021195880A1/fr
Priority to CN202080088957.XA priority patent/CN114846861A/zh
Publication of WO2021195880A1 publication Critical patent/WO2021195880A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets

Definitions

  • the embodiments of the present application relate to the field of mobile communication technologies, and specifically relate to a method and device for power headroom reporting, network equipment, and terminal equipment.
  • the terminal device will report the Power Headroom Report (PHR) of all active cells.
  • the cells in the dual connectivity scenario include the cell group (CG) under the master node (Master Node, MN) and the CG under the secondary node (Secondary Node, SN). For this, when reporting a PHR for a CG, How to correctly reflect the situation in another CG is a problem that needs to be solved.
  • the embodiments of the present application provide a method and device for power headroom reporting, network equipment, and terminal equipment.
  • the first network node receives first configuration information sent by the second network node, where the first configuration information includes a power headroom configuration on the second network node side;
  • the first network node sends second configuration information to the terminal device, where the second configuration information includes the power headroom configuration on the first network node side and the power headroom configuration on the second network node side; wherein, The second configuration information is used by the terminal device to report a power headroom report to the first network node.
  • the terminal device receives second configuration information sent by the first network node, where the second configuration information includes the power headroom configuration on the first network node side and the power headroom configuration on the second network node side;
  • the terminal device reports a power headroom report to the first network node based on the second configuration information.
  • the device for reporting power headroom provided in an embodiment of the present application is applied to a first network node, and the device includes:
  • a receiving unit configured to receive first configuration information sent by a second network node, where the first configuration information includes a power headroom configuration on the second network node side;
  • the sending unit is configured to send second configuration information to the terminal device, where the second configuration information includes the power headroom configuration on the first network node side and the power headroom configuration on the second network node side;
  • the second configuration information is used by the terminal device to report a power headroom report to the first network node.
  • the device for reporting power headroom provided in the embodiment of the present application is applied to a terminal device, and the device includes:
  • a receiving unit configured to receive second configuration information sent by a first network node, where the second configuration information includes a power headroom configuration on the first network node side and a power headroom configuration on the second network node side;
  • the reporting unit is configured to report a power headroom report to the first network node based on the second configuration information.
  • the network device provided by the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned method of power headroom reporting.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned method of power headroom reporting.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned method for reporting power headroom.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned method for reporting the power headroom.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program, and the computer program enables the computer to execute the above-mentioned power headroom reporting method.
  • the computer program product provided by the embodiment of the present application includes computer program instructions that cause the computer to execute the above-mentioned power headroom reporting method.
  • the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned method for reporting power headroom.
  • the second network node notifies the first network node of the power headroom configuration on the second network node side, so that the first network node can update the power headroom configuration on the first network node side with the second network node.
  • the power headroom configuration on the node side is issued to the terminal device together, so that the power headroom report reported by the terminal device to the first network node not only includes the power headroom information on the first network node side, but also includes the second network node side
  • the power headroom information so that the terminal equipment reports the correct power headroom report to the network side, assisting the network side to make correct and effective power functions and scheduling.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a format diagram of PHR of multiple cells provided by an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a method for reporting power headroom provided by an embodiment of the present application
  • Figure 4-1 is a schematic diagram 1 of the process of adding a secondary node of the X2 interface provided by an embodiment of the present application;
  • Fig. 4-2 is a schematic diagram 1 of the modification process of the auxiliary node of the X2 interface provided by the embodiment of the present application;
  • Fig. 4-3 is a schematic diagram of the second node modification process of the X2 interface provided by an embodiment of the present application.
  • Figure 5-1 is a schematic diagram 1 of the process of adding a secondary node of the Xn interface provided by an embodiment of the present application;
  • Fig. 5-2 is a schematic diagram 1 of the modification process of the auxiliary node of the Xn interface provided by the embodiment of the present application;
  • Fig. 5-3 is a second schematic diagram of the modification process of the auxiliary node of the Xn interface provided by the embodiment of the present application;
  • FIG. 6 is a schematic diagram 1 of the structural composition of an apparatus for reporting a power headroom provided by an embodiment of the application;
  • FIG. 7 is a schematic diagram 2 of the structural composition of the apparatus for reporting power headroom provided by an embodiment of the application.
  • FIG. 8 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication system or future communication system etc.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and/or a device of another terminal configured to receive/send communication signals; and/or an Internet of Things (IoT) device.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscribe
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • 5G Enhanced Mobile Broadband
  • URLLC Ultra-Reliable Low-Latency Communications
  • mMTC Massive Machine-Type Communications
  • eMBB still targets users to obtain multimedia content, services and data, and its demand is growing very rapidly.
  • eMBB may be deployed in different scenarios, such as indoors, urban areas, rural areas, etc., its capabilities and requirements are also quite different, so it cannot be generalized and must be analyzed in detail in conjunction with specific deployment scenarios.
  • Typical applications of URLLC include: industrial automation, power automation, telemedicine operations (surgery), traffic safety protection, etc.
  • Typical features of mMTC include: high connection density, small data volume, delay-insensitive services, low-cost modules and long service life.
  • NR In the early deployment of NR, complete NR coverage is difficult to obtain, so the typical network coverage is wide-area LTE coverage and NR island coverage mode. Moreover, a large amount of LTE is deployed below 6GHz, and there is very little spectrum below 6GHz that can be used for 5G. Therefore, NR must study the spectrum application above 6GHz, and the high frequency band has limited coverage and fast signal fading. At the same time, in order to protect mobile operators' early investment in LTE, a tight interworking mode between LTE and NR is proposed.
  • EN-DC LTE-NR Dual Connectivity
  • an LTE base station eNB serves as a master node (Master Node, MN)
  • an NR base station gNB or en-gNB
  • SN secondary node
  • other DC modes will be supported, namely NE-DC, 5GC-EN-DC, and NR DC.
  • the NR base station serves as the MN
  • the eLTE base station serves as the SN to connect to the 5GC core network.
  • eLTE base station serves as MN
  • NR base station serves as SN
  • NR DC the NR base station serves as the MN
  • the NR base station serves as the SN to connect to the 5GC core network.
  • the technical solutions of the embodiments of the present application can not only be applied to a dual-connectivity architecture (such as MR-DC architecture), but also can be applied to a multiple connectivity (Multiple Connectivity, MC) architecture.
  • MC Multiple Connectivity
  • the MC architecture may be an MR-MC architecture.
  • RRC Radio Resource Control
  • RRC_INACTIVE Radio Resource Control
  • RRC_IDLE state (abbreviated as idle state): Mobility is UE-based cell selection and reselection, paging is initiated by the Core Network (CN), and the paging area is configured by the CN. There is no UE context and no RRC connection on the base station side.
  • RRC_CONNECTED state (referred to as connected state for short): There is an RRC connection, and UE context exists on the base station side and the UE side. The network side knows that the location of the UE is of a specific cell level. Mobility is the mobility controlled by the network side. Unicast data can be transmitted between the UE and the base station.
  • Mobility is UE-based cell selection and reselection, there is a connection between CN-NR, UE context is stored on a certain base station, and paging is triggered by RAN, based on The paging area of the RAN is managed by the RAN, and the network side knows that the location of the UE is based on the paging area level of the RAN.
  • the terminal device reports the PHR to the network side, which can assist the network side to perform better uplink data scheduling and uplink power control.
  • the types of PHR are: the first type PHR (type1PHR), the second type PHR (type2PHR), and the third type PHR (type3PHR). in,
  • PHR(dB) PCMAX-(PUSCH transmit power and PUCCH transmit power).
  • type3 PHR (dB) PCMAX-SRS transmit power.
  • PCMAX refers to the maximum transmission power of the terminal equipment (or the maximum transmission power supported by the terminal equipment).
  • the calculation of the above-mentioned PHR may be based on actual transmission calculation or based on reference virtual transmission calculation.
  • the calculation of the PHR based on actual transmission calculation means that the PHR is calculated according to the actual transmitted PUSCH, or PUSCH and PUCCH, or SRS.
  • the calculation of PHR based on the reference virtual transmission calculation means that the PHR is calculated according to a reference format. It should be noted that the reference format of different types of PHR is different.
  • the terminal device will report the PHR of all active cells of the terminal device, including the active cells on the MCG side and the active cells on the SCG side.
  • Figure 2 shows the format of the PHR reported to the NR base station.
  • C i (1 ⁇ i ⁇ 7) corresponds to the index of 1 serving cell, and C 1 to C 7 respectively correspond to the indexes of 7 serving cells.
  • the value of C i is used to indicate whether the PHR of the corresponding serving cell (Serving Cell) is reported.
  • PHR For the PHR of each serving cell (or carrier), it consists of 2 bytes, including the following information fields: P field, V field, PHR field, PCMAX field, where the information in the P field is used to indicate whether It is applied to Power Management-Maximum Power Reduction (P-MPR) caused by power management.
  • P-MPR Power Management-Maximum Power Reduction
  • the information in the V domain is used to indicate whether the PHR calculation is based on an actual transmission or a reference format.
  • the information in the PHR domain is PHR (also referred to as PH for short), where the type of the PHR can be type1PHR, type2PHR, or type3PHR, but is not limited to this.
  • the type of PHR can also be enhanced, such as typex PHR.
  • the information in the PCMAX field is P CMAX,f,c , the PCMAX field is optional, and the information in the V field indicates that the PHR calculation is based on actual transmission, and the information in the P CMAX,f,c ,V field needs to be carried In the case of indicating that the PHR calculation is based on the reference format, it is not necessary to carry P CMAX,f,c (that is, P CMAX,f,c is omitted and not transmitted).
  • FIG. 3 is a schematic flowchart of a method for reporting power headroom according to an embodiment of the application. As shown in FIG. 3, the method for reporting power headroom includes the following steps:
  • Step 301 A first network node receives first configuration information sent by a second network node, where the first configuration information includes a power headroom configuration on the second network node side.
  • the first network node and the second network node are base stations.
  • the first network node and the second network node are two base stations in a dual connectivity architecture.
  • the dual connectivity architecture may be EN-DC, NE-DC, 5GC-EN-DC , NR DC, etc.
  • the first network node and the second network node are two base stations in a multi-connection architecture.
  • the first network node is MN, and the second network node is SN; or, the first network node is SN, and the second network node is MN.
  • the power headroom configuration on the second network node side is the same as the power headroom configuration configured by the second network node for the terminal device; or, the power headroom configuration on the second network node side
  • the headroom configuration is different from the power headroom configuration configured for the terminal device by the second network node; or, the second network node does not configure the power headroom configuration for the terminal device.
  • the MN informs the SN about the power headroom configuration on the MN side.
  • the power headroom configuration on the MN side may be the same as the power headroom configuration configured by the MN for the terminal device; or, the power headroom configuration on the MN side may be the same as the power headroom configuration configured by the MN for the terminal device. Different; or, the MN does not configure the power headroom configuration for the terminal device.
  • the SN informs the MN about the power headroom configuration on the SN side.
  • the power headroom configuration on the SN side may be the same as the power headroom configuration configured by the SN for the terminal device; or, the power headroom configuration on the SN side may be the same as the power headroom configuration configured by the SN for the terminal device. Different; or, the SN does not configure the power headroom configuration for the terminal device.
  • Step 302 The first network node sends second configuration information to the terminal device, where the second configuration information includes the power headroom configuration on the first network node side and the power headroom configuration on the second network node side ; Wherein, the second configuration information is used for the terminal device to report a power headroom report to the first network node.
  • the power headroom configuration includes at least one of the following: power Headroom reporting configuration (that is, configuration information about PHR reporting), power headroom calculation reference parameter configuration (that is, expected PHR calculation reference parameter configuration).
  • the PHR of the serving cell on the MN side is calculated with reference to the power headroom configuration from the MN side (that is, the power headroom report configuration and/or the expected PHR calculation reference parameter match).
  • the PHR of the serving cell on the SN side is calculated with reference to the power headroom configuration from the SN side (that is, the power headroom reporting configuration and/or the expected PHR calculation reference Parameter configuration).
  • the power headroom reporting configuration includes at least one of the following:
  • the first indication information is used to indicate whether the terminal device is configured with a physical uplink control channel (Physical Uplink Control Channel, PUCCH) and a physical uplink shared channel (Physical Uplink Shared Channe, PUSCH) for one or more carriers Simultaneous transmission
  • a physical uplink control channel Physical Uplink Control Channel, PUCCH
  • a physical uplink shared channel Physical Uplink Shared Channe, PUSCH
  • Second indication information where the second indication information is used to indicate whether the terminal device reports the second type of power headroom for one or more carriers
  • Third indication information where the third indication information is used to indicate whether the terminal device reports a third type of power headroom for one or more carriers;
  • Fourth indication information where the fourth indication information is used to indicate a list of carriers for which power headroom needs to be reported by the terminal device and/or a list of carriers for which power headroom does not need to be reported.
  • carrier in the embodiments of the present application can also be replaced with “serving cell” or "cell”.
  • first type of power headroom in the embodiments of the present application can also be replaced with “type1 PHR", where “type1 PHR” can also be abbreviated as “type1 PH”.
  • the description of "the second type of power headroom" in the embodiments of the present application can also be replaced with “type2 PHR", where “type2 PHR” can also be referred to as “type2 PH” for short.
  • the description of "the third type of power headroom" in the embodiments of the present application can also be replaced with “type3 PHR”, where “type3 PHR” can also be abbreviated as “type3 PH”.
  • the fourth indication information is used to indicate the whitelist or blacklist of the SCell list that needs to report the PHR, where the whitelist refers to the need to report the power headroom
  • the blacklist indicates the list of carriers that do not need to report power headroom.
  • the power headroom calculation reference parameter configuration includes:
  • Fifth indication information where the fifth indication information is used to indicate whether the power headroom of one or more carriers is a power headroom calculated according to actual transmission or a power headroom calculated according to reference virtual transmission.
  • the first configuration information can be transmitted between the first network node and the second network node in any of the following ways:
  • Manner 1 The first configuration information is carried in an inter-node message.
  • the first configuration information is carried in CG-Config, and the SN notifies the MN about the power headroom configuration on the SN side (that is, the first configuration information) by sending the CG-Config to the MN.
  • the first configuration information is carried in CG-Configinfo, and the MN sends CG-Configinf to the SN to notify the SN about the power headroom configuration on the MN side (that is, the first configuration information) .
  • Manner 2 The first configuration information is carried in a message in the process of adding the secondary node SN.
  • the message in the SN adding process is a secondary node addition request message or a secondary node addition request confirmation message.
  • Manner 3 The first configuration information is carried in a message in the SN modification process.
  • the message in the SN modification process is a secondary node modification request message, or a secondary node modification request confirmation message, or a secondary node modification confirmation message.
  • the transmission of the message in the process of adding the SN or the transmission of the message in the process of modifying the SN may be realized through the X2 interface.
  • the interface between MeNB and en-gNB is X2 interface, 1. MeNB sends an SgNB addition request message to en-gNB; 2. en-gNB sends an SgNB addition request confirmation message to MeNB. Among them, the MeNB may send its own power headroom configuration to the en-gNB in the SgNB addition request message. Alternatively, the en-gNB may send its own power headroom configuration to the MeNB in the SgNB addition request confirmation message.
  • the interface between MeNB and en-gNB is X2 interface, 1. MeNB sends an SgNB modification request message to en-gNB; 2. en-gNB sends an SgNB modification request confirmation message to MeNB. Among them, the MeNB may send its own power headroom configuration to the en-gNB in the SgNB modification request message. Alternatively, the en-gNB may send its own power headroom configuration to the MeNB in the SgNB modification request confirmation message.
  • the interface between MeNB and en-gNB is X2 interface, 1. en-gNB sends an SgNB modification request message to MeNB; 2. MeNB sends an SgNB modification confirmation message to en-gNB.
  • the en-gNB can send its own power headroom configuration to the MeNB in the SgNB modification request message.
  • the MeNB may send its own power headroom configuration to the en-gNB in the SgNB modification confirmation message.
  • the transmission of the message in the process of adding the SN or the transmission of the message in the process of modifying the SN may be realized through the Xn interface.
  • the interface between the M-NG-RAN node and the S-NG-RAN node is the Xn interface, 1.
  • the M-NG-RAN node sends an SN addition request message to the S-NG-RAN node; 2.
  • the S-NG-RAN node sends an SN addition request confirmation message to the M-NG-RAN node.
  • the M-NG-RAN node may send its own power headroom configuration to the S-NG-RAN node in the SN addition request message.
  • the S-NG-RAN node may send its own power headroom configuration to the M-NG-RAN node in the SN addition request confirmation message.
  • the interface between the M-NG-RAN node and the S-NG-RAN node is the Xn interface, 1.
  • the M-NG-RAN node sends an SN modification request message to the S-NG-RAN node; 2.
  • the S-NG-RAN node sends an SN modification request confirmation message to the M-NG-RAN node.
  • the M-NG-RAN node may send its own power headroom configuration to the S-NG-RAN node in the SN modification request message.
  • the S-NG-RAN node may send its own power headroom configuration to the M-NG-RAN node in the SN modification request confirmation message.
  • the interface between the M-NG-RAN node and the S-NG-RAN node is an Xn interface, 1.
  • the S-NG-RAN node sends an SN modification request message to the M-NG-RAN node; 2.
  • the M-NG-RAN node sends an SN modification confirmation message to the S-NG-RAN node.
  • the S-NG-RAN node may send its own power headroom configuration to the M-NG-RAN node in the SN modification request message.
  • the M-NG-RAN node may send its own power headroom configuration to the S-NG-RAN node in the SN modification confirmation message.
  • the first network node issues the second configuration information to the terminal device according to the power headroom configuration on the second network node side, and accordingly, the terminal device receives the second configuration information sent by the first network node.
  • the second configuration information includes the power headroom configuration on the first network node side and the power headroom configuration on the second network node side.
  • the terminal device reports a power headroom report to the first network node according to the second configuration information
  • the first network node receives the power headroom report reported by the terminal device, and the power headroom report Including the power headroom information of the serving cell on the first network node side and the power headroom information of the serving cell on the second network node side.
  • the power headroom report reported by the terminal device is carried in the PHR MAC CE.
  • the terminal device reports a PHR MAC CE to the SN, and the PHR MAC CE includes the power headroom information of the serving cell on the SN side and the power headroom information of the serving cell on the MN side.
  • the terminal device reports a PHR MAC CE to the MN, and the PHR MAC CE includes the power headroom information of the serving cell on the MN side and the power headroom information of the serving cell on the SN side.
  • the first network node forwards the power headroom information of the serving cell on the second network node side to the second network node.
  • the SN forwards the power headroom information of the serving cell on the MN side to the MN.
  • the MN forwards the power headroom information of the serving cell on the SN side to the SN.
  • the first network node-side serving cell and/or the second network node-side serving cell refers to a cell in an active state or a cell in an active state with non-dormant behavior, wherein the non- The activated state of the sleep behavior means that the activated BWP of the cell in the activated state is a non-dormant BWP.
  • the active state has dormancy behavior and non-dormancy behavior.
  • the terminal device can stay on the dormant BWP (dormant BWP) to realize the activated state of the non-sleep behavior.
  • the second network node notifies the first network node of the power headroom configuration on the second network node side, so that the first network node can update the power headroom configuration on the first network node side and all
  • the power headroom configuration on the second network node side is also issued to the terminal equipment, so that the power headroom report reported by the terminal equipment to the first network node not only includes the power headroom information on the first network node side, but also includes the first network node side power headroom information. 2.
  • the power headroom information on the network node side so that the terminal device reports the correct power headroom report to the network side, and assists the network side to make correct and effective power functions and scheduling.
  • FIG. 6 is a schematic diagram 1 of the structural composition of the device for reporting power headroom according to an embodiment of the application, which is applied to a first network node (such as SN or MN). As shown in FIG. 6, the device for reporting power headroom includes:
  • the receiving unit 601 is configured to receive first configuration information sent by a second network node, where the first configuration information includes a power headroom configuration on the second network node side;
  • the sending unit 602 is configured to send second configuration information to the terminal device, where the second configuration information includes the power headroom configuration on the first network node side and the power headroom configuration on the second network node side; wherein, The second configuration information is used by the terminal device to report a power headroom report to the first network node.
  • the power headroom configuration includes at least one of the following: power headroom reporting configuration and power headroom calculation reference parameter configuration.
  • the power headroom reporting configuration includes at least one of the following:
  • First indication information where the first indication information is used to indicate whether the terminal device is configured for simultaneous transmission of PUCCH and PUSCH for one or more carriers;
  • Second indication information where the second indication information is used to indicate whether the terminal device reports the second type of power headroom for one or more carriers
  • Third indication information where the third indication information is used to indicate whether the terminal device reports a third type of power headroom for one or more carriers;
  • Fourth indication information where the fourth indication information is used to indicate a list of carriers for which power headroom needs to be reported by the terminal device and/or a list of carriers for which power headroom does not need to be reported.
  • the power headroom calculation reference parameter configuration includes:
  • Fifth indication information where the fifth indication information is used to indicate whether the power headroom of one or more carriers is a power headroom calculated according to actual transmission or a power headroom calculated according to reference virtual transmission.
  • the power headroom configuration on the second network node side is the same as the power headroom configuration configured by the second network node for the terminal device; or,
  • the power headroom configuration on the second network node side is different from the power headroom configuration configured by the second network node for the terminal device; or,
  • the second network node does not configure a power headroom configuration for the terminal device.
  • the receiving unit 601 is further configured to receive a power headroom report reported by the terminal device, where the power headroom report includes power headroom information of the serving cell on the first network node side and The power headroom information of the serving cell on the side of the second network node.
  • the first network node-side serving cell and/or the second network node-side serving cell refer to a cell in an active state or a cell in an active state without dormant behavior, where all
  • the activated cell with non-sleeping behavior means that the activated BWP of the activated cell is a non-sleeping BWP.
  • the sending unit 602 is further configured to forward the power headroom information of the serving cell on the second network node side to the second network node.
  • the power headroom report reported by the terminal device is carried in the PHR MAC CE.
  • the first configuration information is carried in an inter-node message.
  • the first configuration information is carried in a message during the SN addition process.
  • the message in the SN addition process is a secondary node addition request message or a secondary node addition request confirmation message.
  • the first configuration information is carried in a message in the SN modification process.
  • the message in the SN modification process is a secondary node modification request message, or a secondary node modification request confirmation message, or a secondary node modification confirmation message.
  • the first network node is an MN, and the second network node is an SN; or,
  • the first network node is SN, and the second network node is MN.
  • FIG. 7 is a schematic diagram 2 of the structural composition of the apparatus for reporting power headroom according to an embodiment of the application, which is applied to terminal equipment.
  • the apparatus for reporting power headroom includes:
  • the receiving unit 701 is configured to receive second configuration information sent by a first network node, where the second configuration information includes a power headroom configuration on the first network node side and a power headroom configuration on the second network node side;
  • the reporting unit 702 is configured to report a power headroom report to the first network node based on the second configuration information.
  • the power headroom configuration includes at least one of the following: power headroom reporting configuration and power headroom calculation reference parameter configuration.
  • the power headroom reporting configuration includes at least one of the following:
  • First indication information where the first indication information is used to indicate whether the terminal device is configured for simultaneous transmission of PUCCH and PUSCH for one or more carriers;
  • Second indication information where the second indication information is used to indicate whether the terminal device reports the second type of power headroom for one or more carriers
  • Third indication information where the third indication information is used to indicate whether the terminal device reports a third type of power headroom for one or more carriers;
  • Fourth indication information where the fourth indication information is used to indicate a list of carriers for which power headroom needs to be reported by the terminal device and/or a list of carriers for which power headroom does not need to be reported.
  • the power headroom calculation reference parameter configuration includes:
  • Fifth indication information where the fifth indication information is used to indicate whether the power headroom of one or more carriers is a power headroom calculated according to actual transmission or a power headroom calculated according to reference virtual transmission.
  • the power headroom configuration on the second network node side is the same as the power headroom configuration configured by the second network node for the terminal device; or,
  • the power headroom configuration on the second network node side is different from the power headroom configuration configured by the second network node for the terminal device; or,
  • the second network node does not configure a power headroom configuration for the terminal device.
  • the power headroom report includes power headroom information of the first network node-side serving cell and power headroom information of the second network node-side serving cell.
  • the first network node-side serving cell and/or the second network node-side serving cell refer to a cell in an active state or a cell in an active state without dormant behavior, where all
  • the activated state of the non-sleeping behavior means that the activated BWP of the cell in the activated state is the non-sleeping BWP.
  • the power headroom report is carried in the PHR MAC CE.
  • the first network node is an MN, and the second network node is an SN; or,
  • the first network node is SN, and the second network node is MN.
  • FIG. 8 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 800 may further include a memory 820.
  • the processor 810 may call and run a computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 800 may specifically be a network device in an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, it will not be repeated here. .
  • the communication device 800 may specifically be a mobile terminal/terminal device of an embodiment of the application, and the communication device 800 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the application.
  • I won’t repeat it here.
  • FIG. 9 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 900 may further include a memory 920.
  • the processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the chip 900 may further include an input interface 930.
  • the processor 910 can control the input interface 930 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 900 may further include an output interface 940.
  • the processor 910 can control the output interface 940 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 10 is a schematic block diagram of a communication system 1000 according to an embodiment of the present application. As shown in FIG. 10, the communication system 1000 includes a terminal device 1010 and a network device 1020.
  • the terminal device 1010 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 1020 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module 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, registers.
  • 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 non-volatile memory, or may include both volatile and non-volatile memory.
  • 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), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), 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) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the embodiments of the present application also provide 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 causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • 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.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology 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 disks or optical disks and other media that can store program codes. .

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Abstract

Les modes de réalisation de la présente invention concernent un procédé et un appareil de rapport de marge de puissance, un dispositif de réseau et un dispositif terminal. Le procédé comprend les étapes au cours desquelles : un premier nœud de réseau reçoit des premières informations de configuration envoyées par un second nœud de réseau, les premières informations de configuration contenant une configuration de marge de puissance du côté du second nœud de réseau ; et le premier nœud de réseau envoie des secondes informations de configuration au dispositif terminal, les secondes informations de configuration contenant une configuration de marge de puissance du côté du premier nœud de réseau et la configuration de marge de puissance du côté du second nœud de réseau, les secondes informations de configuration étant utilisées pour que le dispositif terminal communique un rapport de marge de puissance au premier nœud de réseau.
PCT/CN2020/082185 2020-03-30 2020-03-30 Procédé et appareil de rapport de marge de puissance, dispositif de réseau et dispositif terminal WO2021195880A1 (fr)

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CN202080088957.XA CN114846861A (zh) 2020-03-30 2020-03-30 一种功率余量上报的方法装置、网络设备、终端设备

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