WO2021195936A1 - Procédé et dispositif de rapport de marge de puissance, appareil terminal et appareil de réseau - Google Patents

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

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Publication number
WO2021195936A1
WO2021195936A1 PCT/CN2020/082345 CN2020082345W WO2021195936A1 WO 2021195936 A1 WO2021195936 A1 WO 2021195936A1 CN 2020082345 W CN2020082345 W CN 2020082345W WO 2021195936 A1 WO2021195936 A1 WO 2021195936A1
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WIPO (PCT)
Prior art keywords
power headroom
type power
phr
cell
index
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PCT/CN2020/082345
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English (en)
Chinese (zh)
Inventor
王淑坤
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Oppo广东移动通信有限公司
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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/CN2020/082345 priority Critical patent/WO2021195936A1/fr
Priority to CN202080088867.0A priority patent/CN114846860A/zh
Publication of WO2021195936A1 publication Critical patent/WO2021195936A1/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 in particular to a method and device for power headroom reporting, terminal equipment, and network 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). Among them, the CG under the MN is called MCG, and the CG under SN is called MCG. The CG is called SCG. To meet higher bandwidth and rate requirements in the future, more secondary nodes will be introduced. Accordingly, multiple SCGs will be configured. For multiple SCGs configured, how to report PHR is a clear issue.
  • the embodiments of the present application provide a method and device for power headroom reporting, terminal equipment, and network equipment.
  • the terminal device sends a power headroom report media access control unit (Power Headroom Report Media Access Control Element, PHR MAC CE) to the network device.
  • the PHR MAC CE includes the PHRs of multiple cells, where the multiple cells Belongs to multiple CGs.
  • the network device receives the PHR MAC CE sent by the terminal device, where the PHR MAC CE includes PHRs of multiple cells, where the multiple cells belong to multiple CGs.
  • the device for reporting power headroom provided in the embodiment of the present application is applied to a terminal device, and the device includes:
  • the sending unit is configured to send a PHR MAC CE to a network device, where the PHR MAC CE includes PHRs of multiple cells, where the multiple cells belong to multiple CGs.
  • the device for reporting power headroom provided by the embodiment of the present application is applied to network equipment, and the device includes:
  • the receiving unit is configured to receive a PHR MAC CE sent by a terminal device, where the PHR MAC CE includes PHRs of multiple cells, where the multiple cells belong to multiple CGs.
  • 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 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 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 method for reporting power headroom.
  • 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 terminal device reports the PHR of the cells under multiple CGs through the PHR MAC CE, so that the PHR report is realized in the scenario of multiple CG configuration.
  • the PHR report is more correct, so that the network side can better perform the terminal device Uplink power control and uplink scheduling.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • Figure 2-1 is a format diagram of the PHR of a single cell provided by an embodiment of the present application.
  • Figure 2-2 is a format diagram of the PHR of multiple cells provided by an embodiment of the present application.
  • Figure 3-1 is a first schematic diagram of a multi-SCG scenario provided by an embodiment of the present application.
  • Figure 3-2 is a second schematic diagram of a multi-SCG scenario provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a method for reporting power headroom according to an embodiment of the application
  • FIG. 5 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. 6 is a schematic diagram 2 of the structural composition of an apparatus for reporting power headroom provided by an embodiment of the application;
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a chip of an embodiment of the present application.
  • Fig. 9 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 (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 (type1 PHR), the second type PHR (type2 PHR), and the third type PHR (type3 PHR). 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 reports the PHR of a single cell, as shown in Figure 2-1.
  • 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 2-2 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.
  • 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 Applied to P-MPR.
  • 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 type1 PHR, type2 PHR, or type3 PHR, 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).
  • the terminal device is configured with multiple SCGs.
  • these multiple SCGs can all be activated, they can be partially activated, or only one can be activated.
  • the terminal device is configured with multiple SCGs.
  • carrier in the embodiments of the present application can also be replaced with “serving cell” or “cell”.
  • cell or “serving cell” can also be replaced with “carrier”.
  • first type power headroom in the embodiments of the present application can also be replaced with “type1 PHR", where “type1 PHR” can also be referred to simply as “type1 PH”.
  • type 2 power headroom in the embodiments of this application can also be replaced with “type2 PHR”, where “type2 PHR” can also be abbreviated as “type2 PH”.
  • type 3 power headroom in the embodiments of this application can also be replaced with “type3 PHR”, where “type3 PHR” can also be abbreviated as “type3 PH”.
  • FIG. 4 is a schematic flowchart of a method for reporting power headroom according to an embodiment of the application. As shown in FIG. 4, the method for reporting power headroom includes the following steps:
  • Step 401 The terminal device sends a PHR MAC CE to a network device, where the PHR MAC CE includes PHRs of multiple cells, where the multiple cells belong to multiple cell groups CG.
  • the terminal device encapsulates the PHR MAC CE according to a first rule, where the first rule refers to: the PHRs of the multiple cells are based on at least one of the following in the PHR MAC CE Sort: CG index, serving cell index, power headroom type. Then, the terminal device sends the PHR MAC CE to the network device, and accordingly, the network device receives the PHR MAC CE sent by the terminal device. Further, optionally, the network device is a base station, such as MN or SN.
  • the CG index refers to the index of the CG to which the cell belongs
  • the serving cell index refers to the serving cell index of the cell
  • the power headroom type refers to the type of power headroom reported by the terminal device for the cell. (Such as the first type of power headroom, or the second type of power headroom, or the third type of power headroom).
  • the terminal device encapsulates the PHR of each cell into the PHR MAC CE according to the above at least one type of information associated with each of the multiple cells.
  • the first rule may also be referred to as the "rule for assembling PHR MAC CE", and the “rule for assembling PHR MAC CE” can equivalently determine the "format of PHR MAC CE”.
  • the first rule is agreed upon in an agreement.
  • the terminal device encapsulates the PHR MAC CE according to the first rule. For example: when the PHR report is triggered, the terminal device generates the PHR MAC CE according to the first rule agreed in the protocol.
  • the first rule is configured by a network device.
  • the terminal device encapsulates the PHR MAC CE according to the first rule.
  • the network device configures the format of the PHR MAC CE reported by the terminal device or the rules for assembling the PHR MAC CE (that is, the first rule) through dedicated RRC signaling.
  • the terminal device When the PHR report is triggered, the terminal device generates the PHR MAC CE according to the first rule configured by the network device.
  • an activated cell refers to a cell in an activated state
  • an activated cell with a dormant behavior indicates a cell in an activated state with a dormant behavior.
  • the activated state with a dormant behavior can be realized by the following:
  • the activated BWP of a cell in a state is a non-sleeping BWP.
  • the PHR MAC CE includes at least one PHR of the serving cell in the first state and/or the PHR of the serving cell in the second state in the activated SCG; wherein, the first state refers to activated
  • the second state refers to an active state with non-sleeping behavior.
  • the terminal device encapsulates the PHR MAC CE according to the first rule.
  • the following describes the implementation of the first rule in combination with different situations.
  • the first rule is: according to the index order of CG first, and then the index order of the serving cell, fill in the second-type power headroom of the cell in turn; then, fill in the cell's power headroom in order according to the index order of CG first, and then the index of the serving cell.
  • the index sequence of the CG is from small to large; or, the index sequence of the CG is from large to small.
  • the serving cell index sequence is from small to large; or, the serving cell index sequence is from large to small.
  • the cells that need to report PHR include: cell 1, cell 2, cell 3, cell 4, cell 5, and cell 6.
  • cell 1 belongs to CG1, its serving cell index is index1, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 2 belongs to CG1, its serving cell index is index2, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 3 belongs to CG2, its serving cell index is index4, and the power headroom types to be reported are type1PHR and type2PHR.
  • Cell 4 belongs to CG2, its serving cell index is index7, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 5 belongs to CG3, its serving cell index is index5, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 6 belongs to CG3, its serving cell index is index6, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • the terminal device fills in the second type power headroom of the cell according to the index order of CG first, from small to large, and then serving cell index from small to large; then, according to the index order of CG first, from small to large, and then serving cell index from small
  • the information contained in the finally obtained PHR MAC CE is: type 2 PHR of cell 1, type 2 PHR of cell 2, type 2 PHR of cell 3, type 2 PHR of cell 4 , Type 2 PHR of cell 5, type 2 PHR of cell 6, type 1 PHR of cell 1, type 1 PHR of cell 2, type 1 PHR of cell 3, type 1 PHR of cell 4, type 1 PHR of cell 5, and type 1 PHR of cell 6.
  • the first rule is: fill in the first type power headroom or the third type power headroom of the cell in order according to the index order of CG first, and then the index order of the serving cell; then, according to the index order of CG first, then serve the cell.
  • Index sequence fill in the second type power headroom of the cell in sequence.
  • the index sequence of the CG is from small to large; or, the index sequence of the CG is from large to small.
  • the serving cell index sequence is from small to large; or, the serving cell index sequence is from large to small.
  • the cells that need to report PHR include: cell 1, cell 2, cell 3, cell 4, cell 5, and cell 6.
  • cell 1 belongs to CG1, its serving cell index is index1, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 2 belongs to CG1, its serving cell index is index2, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 3 belongs to CG2, its serving cell index is index4, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 4 belongs to CG2, its serving cell index is index7, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 5 belongs to CG3, its serving cell index is index5, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 6 belongs to CG3, its serving cell index is index6, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • the terminal equipment fills in the first type power headroom of the cell according to the index order of CG first, from small to large, and then serving cell index from small to large, and then fills in the first-type power headroom of the cell in sequence;
  • the information contained in the finally obtained PHR MAC CE is: type1 PHR of cell 1, type 1 PHR of cell 2, type 1 PHR of cell 3, type 1 PHR of cell 4 , Cell 5 type 1 PHR, cell 6 type 1 PHR, cell 1 type 2 PHR, cell 2 type 2 PHR, cell 3 type 2 PHR, cell 4 type 2 PHR, cell 5 type 2 PHR, and cell 6 type 2 PHR.
  • the first rule is: according to the index order of the CG first, then according to the serving cell index order, fill in the second type power headroom of the cell in turn, and fill in the first type power headroom of the cell in turn according to the serving cell index order. Amount or the third type of power headroom.
  • the index sequence of the CG is from small to large; or, the index sequence of the CG is from large to small.
  • the serving cell index sequence is from small to large; or, the serving cell index sequence is from large to small.
  • the cells that need to report PHR include: cell 1, cell 2, cell 3, cell 4, cell 5, and cell 6.
  • cell 1 belongs to CG1, its serving cell index is index1, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 2 belongs to CG1, its serving cell index is index2, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 3 belongs to CG2, its serving cell index is index4, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 4 belongs to CG2, its serving cell index is index7, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 5 belongs to CG3, its serving cell index is index5, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 6 belongs to CG3, its serving cell index is index6, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Type power headroom the information contained in the finally obtained PHR MAC CE is: type 2 PHR of cell 1, type 2 PHR of cell 2, type 1 PHR of cell 1, type 1 PHR of cell 2, type 2 PHR of cell 3, PHR of cell 3
  • the first rule is: according to the index order of CG first, then according to the serving cell index order, fill in the first type power headroom or the third type power headroom of the cell in turn, and then fill in sequentially according to the serving cell index order The second type of power headroom for the cell.
  • the index sequence of the CG is from small to large; or, the index sequence of the CG is from large to small.
  • the serving cell index sequence is from small to large; or, the serving cell index sequence is from large to small.
  • the cells that need to report PHR include: cell 1, cell 2, cell 3, cell 4, cell 5, and cell 6.
  • cell 1 belongs to CG1, its serving cell index is index1, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 2 belongs to CG1, its serving cell index is index2, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 3 belongs to CG2, its serving cell index is index4, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 4 belongs to CG2, its serving cell index is index7, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 5 belongs to CG3, its serving cell index is index5, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 6 belongs to CG3, its serving cell index is index6, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • the terminal equipment fills in the first type power headroom of the cell in order according to the index order of the CG first, and then fills in the second type of the cell in order of the serving cell index from small to large, and then fills in the second cell in order from small to large.
  • Type power headroom the information contained in the finally obtained PHR MAC CE is: type1 PHR of cell 1, type 1 PHR of cell 2, type 2 PHR of cell 1, type 2 PHR of cell 2, type 1 PHR of cell 3, PHR of cell 4
  • the first rule is: fill in the second-type power headroom and the first-type power headroom of the cell in sequence according to the index order of CG first, and then the index order of the serving cell; or, according to the index order of CG first, then serve the cell Index order, fill in the second type power headroom and the third type power headroom of the cell in sequence.
  • the index sequence of the CG is from small to large; or, the index sequence of the CG is from large to small.
  • the serving cell index sequence is from small to large; or, the serving cell index sequence is from large to small.
  • the second type power headroom is located before the first type power headroom or the third type power headroom; or, the second type power headroom is located before the first type power headroom. Amount or the third type of power headroom.
  • the sequence of the second type power headroom and the first type power headroom or the third type power headroom may be predetermined through an agreement or configured by the network side.
  • the cells that need to report PHR include: cell 1, cell 2, cell 3, cell 4, cell 5, and cell 6.
  • cell 1 belongs to CG1, its serving cell index is index1, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 2 belongs to CG1, its serving cell index is index2, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 3 belongs to CG2, its serving cell index is index4, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 4 belongs to CG2, its serving cell index is index7, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 5 belongs to CG3, its serving cell index is index5, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 6 belongs to CG3, its serving cell index is index6, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • the terminal equipment fills in the second type power headroom and the first type power headroom of the cell in sequence according to the CG index order from small to large, and then the serving cell index order from small to large, where the second type of power headroom is located in the first Before the type power headroom, the information contained in the finally obtained PHR MAC CE is: cell 1 type 2 PHR, cell 1 type 1 PHR, cell 2 type 2 PHR, cell 2 type 1 PHR, cell 3 type 2 PHR, cell Type 1 PHR of 3, type 2 PHR of cell 4, type 1 PHR of cell 4, type 2 PHR of cell 5, type 1 PHR of cell 5, type 2 PHR of cell 6, and type 1 PHR of cell 6.
  • the second type power headroom is located before the first type power headroom, and it is not limited to this, and the first type power headroom may also be located before the second type power headroom.
  • the first rule is: fill in the second-type power headroom and the first-type power headroom of the cell in sequence according to the serving cell index order; or fill in the second-type power headroom and the first-type power headroom of the cell in the order of serving cell index.
  • the third type of power headroom is: fill in the second-type power headroom and the first-type power headroom of the cell in sequence according to the serving cell index order; or fill in the second-type power headroom and the first-type power headroom of the cell in the order of serving cell index.
  • the serving cell index sequence is from small to large; or, the serving cell index sequence is from large to small.
  • the second type power headroom is located before the first type power headroom or the third type power headroom; or, the second type power headroom is located before the first type power headroom. Amount or the third type of power headroom.
  • the sequence of the second type power headroom and the first type power headroom or the third type power headroom may be predetermined through an agreement or configured by the network side.
  • the cells that need to report PHR include: cell 1, cell 2, cell 3, cell 4, cell 5, and cell 6.
  • cell 1 belongs to CG1, its serving cell index is index1, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 2 belongs to CG1, its serving cell index is index2, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 3 belongs to CG2, its serving cell index is index4, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 4 belongs to CG2, its serving cell index is index7, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 5 belongs to CG3, its serving cell index is index5, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • Cell 6 belongs to CG3, its serving cell index is index6, and the power headroom types to be reported are type1 PHR and type2 PHR.
  • the terminal equipment fills in the second-type power headroom and the first-type power headroom of the cell in the order of serving cell index from small to large, where the second-type power headroom is before the first-type power headroom, and the finally obtained PHR
  • the information contained in the MAC CE is: type 2 PHR of cell 1, type 1 PHR of cell 1, type 2 PHR of cell 2, type 1 PHR of cell 2, type 2 PHR of cell 3, type 1 PHR of cell 3, type 2 PHR of cell 5 , Type 1 PHR of cell 5, type 2 PHR of cell 6, type 1 PHR of cell 6, type 2 PHR of cell 4, type 1 PHR of cell 4.
  • the second type power headroom is located before the first type power headroom as an example. It is not limited to this, and the first type power headroom may also be located before the second type power headroom.
  • the examples involved in the above solutions all take the power headroom types that the cell needs to report as type2 PHR and type1 PHR as examples. It is not limited to this.
  • the power headroom types that the cell needs to report can also be type2 PHR and PHR.
  • type3 PHR or the only power headroom type that the cell needs to report is type1 PHR or type3 PHR. Whether there is a type 2 PHR in each cell depends on the network side configuration and/or the type of carrier.
  • the terminal device generates the PHR MAC CE according to the above first rule, and then reports it to the network device.
  • Network equipment also decodes PHR MAC CE according to the first rule.
  • PHR group PHR group
  • the one PHR group includes a group of CGs, and each CG in the group of CGs includes at least one serving cell.
  • the one PHR group includes a group of serving cells. Further, optionally, when the one PHR group includes a group of CGs, the group of CGs includes MCG and at least one SCG.
  • the network device sends first configuration information to the terminal device, and correspondingly, the terminal device receives the first configuration information sent by the network device, and the first configuration information is used to determine the one PHR group Configuration.
  • the network side may configure one or more PHR groups through RRC dedicated signaling.
  • the terminal device may determine which serving cells are included in the one PHR group based on the RRC signaling.
  • the RRC dedicated signaling includes the index information of a group of CGs in the PUCCH group or the serving cell index of a group of cells.
  • the PHRs of all serving cells in the one PHR group are reported in one PHR MAC CE. Specifically, if a cell in a PHR group triggers PHR reporting, the terminal device sends a PHR MAC CE to the network device, and the PHR MAC CE includes the PHRs of all cells in the one PHR group.
  • the PHR MAC CE further includes header information
  • the header information includes a first bitmap
  • each bit in the first bitmap corresponds to one of the PHR groups Cell
  • the value of the bit is used to indicate whether the cell corresponding to the bit reports the corresponding PHR (or the value of the bit is used to indicate whether the PHR MAC CE carries the cell corresponding to the bit PHR).
  • the bits in the first bitmap are in a one-to-one correspondence with the serving cell index in the one PHR group in the order from low to high; or, the bits in the first bitmap The bits are in a one-to-one correspondence with the serving cell index in the one PHR group in the order from low to high.
  • the PHR here generally refers to power headroom information, including at least one of the following: P indication information, V indication information, PHR, P CMAX,f,c .
  • PHR MAC CE has a header information, and the header information includes a first bitmap. Each bit in the first bitmap corresponds to a cell in a PHR group. The value is used to indicate whether the cell corresponding to this bit reports the corresponding PHR.
  • the header information of the PHR MAC CE only contains the first bitmap of the PHR group composed of the serving cells that activate the SCG and MCG.
  • the terminal device reports the PHR of the cells under multiple CGs through the PHR MAC CE, so that PHR reporting is realized in the scenario of multiple CG configuration, and the first rule is used to encapsulate the PHR MAC CE to enable the PHR reporting It is more flexible and correct, so that the network side can better perform the uplink power control and uplink scheduling of the terminal equipment.
  • FIG. 5 is a schematic diagram 1 of the structural composition of a power headroom reporting apparatus provided by an embodiment of the application, which is applied to a terminal device.
  • the power headroom reporting apparatus includes:
  • the sending unit 501 is configured to send a PHR MAC CE to a network device, where the PHR MAC CE includes PHRs of multiple cells, where the multiple cells belong to multiple CGs.
  • the device further includes:
  • the encapsulation unit 502 is configured to encapsulate the PHR MAC CE according to a first rule, where the first rule refers to: the PHRs of the multiple cells are ranked in the PHR MAC CE based on at least one of the following: CG Index, serving cell index, power headroom type.
  • the first rule is agreed upon by a protocol or configured by a network device.
  • the first rule is:
  • the index order of CG first, and then the index order of serving cell, fill in the first type power headroom or the third type power headroom of the cell in sequence.
  • the first rule is:
  • the index order of CG first, and then the index order of serving cell, fill in the second-type power headroom of the cell in sequence.
  • the first rule is:
  • the index order of CG first, then according to the serving cell index order, fill in the second type power headroom of the cell in turn, and then fill in the first type power headroom or the third type power headroom of the cell in turn according to the serving cell index order quantity.
  • the first rule is:
  • the first rule is:
  • the first rule is:
  • the second type power headroom is located before the first type power headroom or the third type power headroom; or,
  • the second type power headroom is located after the first type power headroom or the third type power headroom.
  • the index order of the CG is from small to large; or,
  • the index order of the CG is from largest to smallest.
  • the order of the serving cell index is from small to large; or,
  • the order of the serving cell index is from largest to smallest.
  • the sending unit 501 is configured to send a PHR MAC CE to a network device if a cell in a PHR group triggers PHR reporting, and the PHR MAC CE includes the PHR MAC CE in the PHR group PHR of all cells.
  • the one PHR group includes a group of CGs, and each CG in the group of CGs includes at least one serving cell; or,
  • the one PHR group includes a group of serving cells.
  • the group of CGs includes MCG and at least one SCG.
  • the device further includes:
  • the receiving unit (not shown in the figure) is configured to receive first configuration information sent by the network device, where the first configuration information is used to determine the configuration of the one PHR group.
  • the PHR MAC CE further includes header information, the header information includes a first bitmap, and each bit in the first bitmap corresponds to one of the PHR groups For the cell, the value of the bit is used to indicate whether the cell corresponding to the bit reports the corresponding PHR.
  • the bits in the first bitmap are in a one-to-one correspondence with the serving cell index in the one PHR group in an order from low to high; or,
  • the bits in the first bitmap are in a one-to-one correspondence with the serving cell index in the one PHR group in a descending order from low to high.
  • the PHR MAC CE includes at least one PHR of a serving cell in the first state and/or a PHR of a serving cell in the second state in the activated SCG; wherein, the first state refers to activated
  • the second state refers to an active state with non-sleeping behavior.
  • Fig. 6 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 network equipment.
  • the apparatus for reporting power headroom includes:
  • the receiving unit 601 is configured to receive a PHR MAC CE sent by a terminal device, where the PHR MAC CE includes PHRs of multiple cells, where the multiple cells belong to multiple CGs.
  • the PHR MAC CE is encapsulated according to a first rule, where the first rule refers to that the PHRs of the multiple cells are ranked in the PHR MAC CE based on at least one of the following: CG index, serving cell index, power headroom type.
  • the first rule is agreed upon by a protocol or configured by a network device.
  • the first rule is:
  • the index order of CG first, and then the index order of serving cell, fill in the first type power headroom or the third type power headroom of the cell in sequence.
  • the first rule is:
  • the index order of CG first, and then the index order of serving cell, fill in the second-type power headroom of the cell in sequence.
  • the first rule is:
  • the index order of CG first, then according to the serving cell index order, fill in the second type power headroom of the cell in turn, and then fill in the first type power headroom or the third type power headroom of the cell in turn according to the serving cell index order quantity.
  • the first rule is:
  • the first rule is:
  • the first rule is:
  • the second type power headroom is located before the first type power headroom or the third type power headroom; or,
  • the second type power headroom is located after the first type power headroom or the third type power headroom.
  • the index order of the CG is from small to large; or,
  • the index order of the CG is from largest to smallest.
  • the order of the serving cell index is from small to large; or,
  • the order of the serving cell index is from largest to smallest.
  • the PHR MAC CE includes the PHRs of all cells in a PHR group.
  • the one PHR group includes a group of CGs, and each CG in the group of CGs includes at least one serving cell; or,
  • the one PHR group includes a group of serving cells.
  • the group of CGs includes MCG and at least one SCG.
  • the device further includes:
  • the sending unit (not shown in the figure) is configured to send first configuration information to the terminal device, where the first configuration information is used to determine the configuration of the one PHR group.
  • the PHR MAC CE further includes header information, the header information includes a first bitmap, and each bit in the first bitmap corresponds to one of the PHR groups For the cell, the value of the bit is used to indicate whether the cell corresponding to the bit reports the corresponding PHR.
  • the bits in the first bitmap are in a one-to-one correspondence with the serving cell index in the one PHR group in an order from low to high; or,
  • the bits in the first bitmap are in a one-to-one correspondence with the serving cell index in the one PHR group in an order from low to high and in an order from large to small.
  • the PHR MAC CE includes at least one PHR of a serving cell in the first state and/or a PHR of a serving cell in the second state in the activated SCG; wherein, the first state refers to activated
  • the second state refers to an active state with non-sleeping behavior.
  • FIG. 7 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 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 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 700 may specifically be a network device of an embodiment of the present application, and the communication device 700 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 700 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 700 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • FIG. 8 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 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 chip 800 may further include an input interface 830.
  • the processor 810 can control the input interface 830 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 800 may further include an output interface 840.
  • the processor 810 can control the output interface 840 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. 9 is a schematic block diagram of a communication system 900 according to an embodiment of the present application.
  • the communication system 900 includes a terminal device 910 and a network device 920.
  • the terminal device 910 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 920 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 dispositif de rapport de marge de puissance, un appareil terminal et un appareil de réseau. Au cours du procédé, un appareil terminal transmet à un appareil de réseau un élément de commande de contrôle d'accès au support de rapports de marge de puissance (PHR MAC CE) contenant des rapports de marge de puissance (PHR) de multiples cellules, les multiples cellules faisant partie de multiples groupes de cellules (CG).
PCT/CN2020/082345 2020-03-31 2020-03-31 Procédé et dispositif de rapport de marge de puissance, appareil terminal et appareil de réseau WO2021195936A1 (fr)

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CN202080088867.0A CN114846860A (zh) 2020-03-31 2020-03-31 一种功率余量上报的方法及装置、终端设备、网络设备

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