WO2023274001A1 - Procédé de création de rapport phr, station de base, terminal, dispositif électronique et support d'enregistrement - Google Patents

Procédé de création de rapport phr, station de base, terminal, dispositif électronique et support d'enregistrement Download PDF

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Publication number
WO2023274001A1
WO2023274001A1 PCT/CN2022/100590 CN2022100590W WO2023274001A1 WO 2023274001 A1 WO2023274001 A1 WO 2023274001A1 CN 2022100590 W CN2022100590 W CN 2022100590W WO 2023274001 A1 WO2023274001 A1 WO 2023274001A1
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WO
WIPO (PCT)
Prior art keywords
phr
terminal
dci
uplink
reporting
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Application number
PCT/CN2022/100590
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English (en)
Chinese (zh)
Inventor
黄建霖
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中兴通讯股份有限公司
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2023274001A1 publication Critical patent/WO2023274001A1/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
    • H04W52/365—Power headroom reporting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present application relates to the technical field of communication, and in particular to the power headroom reporting technology.
  • PHR Power Headroom Report
  • PUSCH Physical Uplink Shared Channel, uplink physical shared channel
  • the PHR information is included in the uplink MAC CE (Media Access Control, medium access control; Control Element, control unit), and the MAC CE is transmitted through the PUSCH channel.
  • MAC CE Media Access Control, medium access control; Control Element, control unit
  • PHR is triggered when:
  • Periodic trigger report Periodic PHR timer timeout triggers PHR report.
  • the path loss change exceeds the path loss change threshold, and the prohibition timer has timed out (the prohibition timer will start after the PHR is reported, and the next PHR report will be allowed after timeout).
  • the inventors of the present application found that: when PHR is reported to the base station, it will be restricted by whether there is uplink scheduling. When the PHR is triggered, there is uplink scheduling, and the PHR can be reported to the base station along with the uplink MAC CE. Otherwise, the PHR will not be reported, resulting in the base station not evaluating the uplink channel in time, and it may also cause the failure to obtain valid PHR for a long time in some scenarios, and the related functions of the base station that rely on PHR will not work.
  • An embodiment of the present application provides a PHR reporting method, which is applied to a base station, including: if it is detected that the preset power headroom report PHR reporting condition is currently met, then sending a downlink message for instructing the terminal to report the PHR to the terminal Control information DCI (Downlink Control Information, carried by the downlink physical control channel PDCCH, downlink control information sent to the user, including uplink and downlink resource allocation, power control, etc.); wherein, the DCI is an uplink DCI indicating uplink channel resources; receiving The PHR reported by the terminal through the uplink channel resources.
  • DCI Downlink Control Information, carried by the downlink physical control channel PDCCH, downlink control information sent to the user, including uplink and downlink resource allocation, power control, etc.
  • the embodiment of the present application also provides a PHR reporting method, which is applied to the terminal, including: receiving the downlink control information DCI issued by the base station; parsing the DCI; if the DCI is determined to be an indication according to the parsing result
  • the terminal reports the uplink DCI of the PHR, and reports the PHR through the uplink channel resources indicated by the uplink DCI.
  • the embodiment of the present application also provides a base station, including: an indication module, configured to issue an instruction for instructing the terminal to report a PHR after detecting that the preset power headroom reporting PHR reporting condition is met Downlink control information DCI; wherein, the DCI is uplink DCI indicating uplink channel resources; a receiving module configured to receive the PHR reported by the terminal through the uplink channel resources.
  • an indication module configured to issue an instruction for instructing the terminal to report a PHR after detecting that the preset power headroom reporting PHR reporting condition is met
  • DCI is uplink DCI indicating uplink channel resources
  • a receiving module configured to receive the PHR reported by the terminal through the uplink channel resources.
  • the embodiment of the present application also provides a terminal, including: an information receiving module, configured to receive the downlink control information DCI sent by the base station; a parsing module, configured to parse the downlink DCI information; and a reporting module, configured to After determining, according to the analysis result, that the DCI is the uplink DCI that instructs the terminal to report the PHR, report the PHR through the uplink channel resources indicated by the uplink DCI.
  • a terminal including: an information receiving module, configured to receive the downlink control information DCI sent by the base station; a parsing module, configured to parse the downlink DCI information; and a reporting module, configured to After determining, according to the analysis result, that the DCI is the uplink DCI that instructs the terminal to report the PHR, report the PHR through the uplink channel resources indicated by the uplink DCI.
  • An embodiment of the present application also provides an electronic device, including: at least one processor; and a memory connected in communication with the at least one processor; wherein, the memory stores information that can be executed by the at least one processor.
  • An instruction the instruction is executed by the at least one processor, so that the at least one processor can execute the above method for reporting PHR applied to a base station, or execute the above method for reporting PHR applied to a terminal.
  • the embodiment of the present application also provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, implements the above method for reporting the PHR applied to the base station, or the reporting method applied to the PHR of the terminal method.
  • FIG. 1 is a flowchart of a PHR reporting method provided by an embodiment of the present application
  • FIG. 2 is a flowchart of a PHR reporting method provided by another embodiment of the present application.
  • FIG. 3 is an interactive flow chart of a PHR reporting method provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a base station provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • An embodiment of the present application relates to a method for reporting a PHR, which is applied to a base station.
  • the downlink control information DCI used to instruct the terminal to report the PHR is issued to the terminal; the uplink channel resource is allocated to the terminal, and the The terminal sends uplink channel scheduling information for indicating the uplink channel resource; receives the PHR reported by the terminal through the uplink channel resource, so as to realize the aperiodic reporting instruction of PHR, and improve the timeliness of PHR reporting.
  • Step 101 the base station detects whether a preset reporting condition of the PHR is currently satisfied. If the reporting condition of the PHR is met, enter step 102; if the reporting condition of the PHR is not met, continue to execute this step.
  • the preset PHR reporting condition may be that the PHR value has been disabled and is to be used for channel state estimation.
  • the base station when the base station recognizes that the time difference between the time of the last reported PHR information of the terminal and the current time has exceeded the valid time limit, it determines that the PHR is an invalid value. For example, the valid time of the PHR is set to three minutes, and if the difference between the current time and the last reported time exceeds three minutes, it is determined that the stored PHR is an invalid value.
  • the base station if the base station recognizes that a valid PHR value is currently needed for channel state estimation to implement functions related to the base station, it determines that the preset reporting condition of the PHR is currently satisfied, and proceeds to step 102 .
  • step 102 the base station sends to the terminal downlink control information DCI for instructing the terminal to report a PHR, wherein the DCI is uplink DCI indicating uplink channel resources.
  • the base station delivers downlink control information DCI including an extension field to the terminal, where the extension field is used to instruct the terminal to report a PHR, so that the terminal obtains an instruction to report the PHR according to the extension field in the DCI.
  • a new field is added to the existing uplink DCI: PHR request (PHR request), which is used to instruct the terminal to report the PHR.
  • PHR request PHR request
  • the terminal after receiving the uplink DCI, it can know the PHR reporting instruction according to the PHR request field in the received DCI.
  • the uplink channel resources indicated by the uplink DCI are larger than the channel resources required for transmitting MAC CE information, so as to ensure that the terminal can have sufficient transmission resources to transmit MAC CE information subsequently.
  • step 103 the base station receives the PHR reported by the terminal through uplink channel resources.
  • the terminal since the DCI issued by the base station to the terminal for instructing the terminal to report the PHR is itself an uplink DCI, that is, the uplink DCI indicates that there are uplink channel resources for the terminal to transmit data, therefore, the terminal receives the After the uplink DCI, the PHR can be reported to the base station according to the indicated uplink channel resources.
  • the terminal transmits the MAC CE information through the uplink channel resources indicated by the uplink DCI; wherein, the MAC CE information carries the PHR.
  • the base station analyzes the received MAC CE containing PHR information to obtain the PHR value carried in the MAC CE.
  • the terminal’s PHR value will be carried in the uplink service data and sent to the base station, and in the scenario where the terminal’s uplink service volume is small, there will be PHR reporting untimely problem.
  • the base station will conduct a self-check on the validity of the PHR value uploaded by the current terminal, that is, to identify whether the current PHR value is valid. After estimating the channel, the base station instructs the terminal to upload the PHR value, avoiding the scenario where the base station has no valid PHR value available for a long time.
  • the downlink control information DCI used to instruct the terminal to report the PHR can be actively issued to the terminal, and the PHR reported by the terminal through the uplink channel resource can be received, realizing aperiodic PHR reporting. Therefore, the timeliness of PHR reporting is improved, and the real-time performance of base station uplink channel evaluation is also improved, providing support for functions related to the wireless performance of the base station.
  • Another embodiment of the present application relates to a method for reporting a PHR, which is applied to a terminal, and the specific process is shown in FIG. 2 .
  • step 201 the terminal receives downlink control information DCI delivered by the base station.
  • step 202 the terminal parses the DCI.
  • step 203 it is determined according to the analysis result whether the DCI is an uplink DCI indicating that the terminal reports a PHR, if yes, execute step 204, and if not, end the procedure.
  • Step 204 Report a PHR through the uplink channel resources indicated by the uplink DCI.
  • the DCI received by the terminal is an uplink DCI and includes an extension field for instructing the terminal to report a PHR
  • the uplink channel resources indicated by the uplink DCI are larger than the channel resources required for transmitting MAC CE information, so as to ensure that the terminal can have sufficient transmission resources to transmit MAC CE information.
  • the terminal after receiving the uplink DCI, calculates the PHR value, carries the PHR value in the MAC CE, and then reports the MAC CE with the PHR value to the base station.
  • Step 301 the terminal accesses the base station.
  • Step 302 The base station recognizes that the time point of the last PHR reported by the terminal is before the valid time, and invalidates the validity of the PHR value, so that a valid PHR value can be obtained through subsequent steps in time after the invalidation. If it is recognized that the PHR value of the terminal is still in a valid state, the base station can directly use the current PHR value for channel state estimation.
  • Step 303 the base station identifies whether a valid PHR value is currently needed for channel state estimation.
  • step 302 and step 303 are in a parallel relationship, so the operation sequence of the above two steps can be exchanged without any influence on the subsequent operation results.
  • Step 304 The base station sends the uplink DCI carrying the PHR request field to the terminal once.
  • PHR request is an extension field in the uplink DCI.
  • the function of the PHR request field is to instruct the terminal to report the PHR.
  • Step 305 The terminal parses the received uplink DCI, through the PHR request field in the uplink DCI, recognizes that the base station needs the terminal to report the PHR value, calculates the PHR value, and carries the PHR value in the MAC CE, and then enters step 306.
  • Step 306 The terminal reports the MAC CE with the PHR value to the base station according to the uplink scheduling information indicated in the uplink DCI.
  • Step 307 The base station receives and parses the PHR value in the DCI, and updates the PHR value of the terminal if a valid value is parsed.
  • the larger the PHR value is, the larger the current power headroom is, and the larger the channel improvement space is.
  • the PHR reporting method proposed in this embodiment can deliver the downlink DCI information for instructing to report the PHR to the terminal when the preset power headroom report PHR reporting condition is satisfied, and through the uplink channel resources allocated for the terminal, The PHR reported by the terminal is received, and the aperiodic reporting instruction of the PHR is realized. Therefore, the timeliness of PHR reporting is improved, and the PHR can be obtained in time when wireless performance-related functions need to be implemented, which improves the real-time evaluation of the uplink channel of the base station, and provides support for functions related to the wireless performance of the base station.
  • step division of the above various methods is only for the sake of clarity of description. During implementation, it can be combined into one step or some steps can be split and decomposed into multiple steps. As long as they include the same logical relationship, they are all within the scope of protection of this patent. ; Adding insignificant modifications or introducing insignificant designs to the algorithm or process, but not changing the core design of the algorithm and process are all within the scope of protection of this patent.
  • the embodiment of the present application further provides a base station, as shown in FIG. 4 , including: an indication module 401 and a receiving module 402 .
  • the instructing module 401 is configured to deliver downlink control information DCI for instructing the terminal to report the PHR to the terminal after detecting that the preset reporting condition of the power headroom report PHR is met; wherein, the The DCI is uplink DCI indicating uplink channel resources.
  • the receiving module 402 is configured to receive the PHR reported by the terminal through the uplink channel resource.
  • the instructing module 401 issues DCI including an extension field to the terminal, where the extension field is used to instruct the terminal to report a PHR.
  • the uplink channel resource indicated by the uplink DCI is greater than the channel resource required for transmitting MAC CE information.
  • the receiving module 402 receives MAC CE information transmitted by the terminal through the uplink channel resource, where the MAC CE information carries PHR. By parsing the MAC CE information, the PHR reported by the terminal is obtained.
  • the reporting condition of the PHR is that the stored PHR has expired and channel estimation is to be performed.
  • the base station provided by this embodiment avoids the problem of untimely PHR reporting when the uplink traffic volume is small.
  • the PHR can be obtained in time, which improves the real-time evaluation of the uplink channel of the base station and provides support for functions related to the wireless performance of the base station.
  • this embodiment is an apparatus embodiment corresponding to the above-mentioned method embodiment applied to a base station, and this embodiment may be implemented in cooperation with the above-mentioned method embodiment applied to a base station.
  • the relevant technical details mentioned in the above embodiments of the method applied to the base station are still valid in this embodiment, and are not repeated here to reduce repetition.
  • the relevant technical details mentioned in this implementation manner may also be applied to the above-mentioned embodiment of the method applied to the base station.
  • the embodiment of the present application further provides a terminal, as shown in FIG. 5 , including: an information receiving module 501 , an analyzing module 502 , and a reporting module 503 .
  • the information receiving module 501 is configured to receive the downlink control information DCI issued by the base station; the parsing module 502 is configured to parse the DCI; the reporting module 503 is configured to determine the DCI according to the parsing result Instructing the terminal to report the PHR through the uplink channel resources indicated by the uplink DCI after reporting the uplink DCI of the PHR.
  • the reporting module 503 determines that the DCI is the uplink DCI for instructing the terminal to report the PHR when the parsing result is that the DCI is the uplink DCI and includes an extension field for instructing the terminal to report the PHR.
  • this embodiment is an apparatus embodiment corresponding to the above-mentioned method embodiment applied to a terminal, and this embodiment may be implemented in cooperation with the above-mentioned method embodiment applied to a terminal.
  • the relevant technical details mentioned in the above embodiments of the method applied to the terminal are still valid in this embodiment, and will not be repeated here to reduce repetition.
  • the relevant technical details mentioned in this implementation manner can also be applied to the above-mentioned embodiment of the method applied to the terminal.
  • a logical unit may be a physical unit, or a part of a physical unit, or Realized as a combination of multiple physical units.
  • units that are not closely related to solving the technical problems raised by this application are not introduced in this embodiment, but this does not mean that there are no other units in this embodiment.
  • An embodiment of the present application also provides an electronic device, as shown in FIG. 6 , including: at least one processor 601; and a memory 602 communicatively connected to the at least one processor; wherein, the memory 602 stores data that can Instructions executed by the at least one processor 601, the instructions are executed by the at least one processor 601, so that the at least one processor 601 can execute the above-mentioned PHR reporting method applied to the base station, or can execute The above method for reporting the PHR applied to the terminal.
  • the memory and the processor are connected by a bus
  • the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors and various circuits of the memory together.
  • the bus may also connect together various other circuits such as peripherals, voltage regulators, and power management circuits, all of which are well known in the art and therefore will not be further described herein.
  • the bus interface provides an interface between the bus and the transceivers.
  • a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing means for communicating with various other devices over a transmission medium.
  • the data processed by the processor is transmitted on the wireless medium through the antenna, and further, the antenna also receives the data and transmits the data to the processor.
  • the processor manages the bus and general processing, and can also provide functions including timing, peripheral interfacing, voltage regulation, power management, and other control functions. Instead, memory may be used to store data that the processor uses when performing operations.
  • an embodiment of the present application further provides a computer-readable storage medium storing a computer program, and implementing the PHR reporting method in this embodiment when the computer program is executed by a processor.
  • a device which can be A single chip microcomputer, a chip, etc.
  • a processor processor
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (whether it meets ROM at present, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc. 15 kinds can store medium for program code.

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

Abstract

La présente demande se rapporte au domaine technique de la communication, et divulgue un procédé de création de rapport PHR, une station de base, un terminal, un dispositif électronique et un support d'enregistrement, le procédé consistant à : lorsqu'il est détecté qu'un PHR actuel satisfait à une condition de création de rapport de réserve de puissance (PHR) prédéfinie, émettre, par une station de base, à un terminal, des informations de commande de liaison descendante (DCI) utilisées pour ordonner au terminal de créer le rapport PHR ; après réception et analyse des informations DCI émises par la station de base, analyser, par le terminal, les DCI ; s'il est déterminé, sur la base du résultat d'analyse, que les DCI sont des DCI de liaison montante ordonnant au terminal de créer le rapport PHR, créer le rapport PHR au moyen d'une ressource de canal montant indiquée par les DCI de liaison montante ; et recevoir, par la station de base, le rapport PHR créé par le terminal au moyen de la ressource de canal montant.
PCT/CN2022/100590 2021-06-28 2022-06-22 Procédé de création de rapport phr, station de base, terminal, dispositif électronique et support d'enregistrement WO2023274001A1 (fr)

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CN202110720013.6A CN115604804A (zh) 2021-06-28 2021-06-28 Phr的上报方法、基站、终端、电子设备及存储介质
CN202110720013.6 2021-06-28

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Citations (5)

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CN102083129A (zh) * 2010-04-29 2011-06-01 大唐移动通信设备有限公司 一种phr上报的方法及设备
US20160242128A1 (en) * 2013-09-27 2016-08-18 Panasonic Intellectual Property Corporation Of America Power control and power headroom reporting for dual connectivity
CN108632891A (zh) * 2017-03-24 2018-10-09 华为技术有限公司 一种信息传输方法和装置
CN109587781A (zh) * 2017-09-29 2019-04-05 中兴通讯股份有限公司 信息上报方法及装置
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CN102083129A (zh) * 2010-04-29 2011-06-01 大唐移动通信设备有限公司 一种phr上报的方法及设备
US20160242128A1 (en) * 2013-09-27 2016-08-18 Panasonic Intellectual Property Corporation Of America Power control and power headroom reporting for dual connectivity
CN108632891A (zh) * 2017-03-24 2018-10-09 华为技术有限公司 一种信息传输方法和装置
CN109587781A (zh) * 2017-09-29 2019-04-05 中兴通讯股份有限公司 信息上报方法及装置
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INTERDIGITAL INC.: "Power Headroom Reporting for NR", 3GPP DRAFT; R2-1712788 (R15 NR WI AI 103112 PHR), 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Reno, USA; 20171127 - 20171201, 17 November 2017 (2017-11-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051371690 *
LG ELECTRONICS INC.: "PHR for wider bandwidth operation", 3GPP DRAFT; R2-1709064 PHR FOR WIDER BANDWIDTH OPERATION, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Berlin, Germany; 20170821 - 20170825, 20 August 2017 (2017-08-20), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051318857 *

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