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WO2011134351A1 - Procédé et dispositif pour rapporter un rapport de marge de puissance (phr) - Google Patents

Procédé et dispositif pour rapporter un rapport de marge de puissance (phr) Download PDF

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Publication number
WO2011134351A1
WO2011134351A1 PCT/CN2011/072821 CN2011072821W WO2011134351A1 WO 2011134351 A1 WO2011134351 A1 WO 2011134351A1 CN 2011072821 W CN2011072821 W CN 2011072821W WO 2011134351 A1 WO2011134351 A1 WO 2011134351A1
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WO
WIPO (PCT)
Prior art keywords
phr
user terminal
network side
report
reporting
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2011/072821
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English (en)
Chinese (zh)
Inventor
潘学明
杨晓东
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China Academy of Telecommunications Technology CATT
Original Assignee
China Academy of Telecommunications Technology CATT
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 China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Publication of WO2011134351A1 publication Critical patent/WO2011134351A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [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

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and a device for reporting a PHR. Background technique
  • the LTE (Long Time Evolution) R10 version has been planned to support the discontinuous allocation of the uplink (Physical Resource Block) of the UE (User Equipment), including transmitting the PUCCH on the same carrier at the same time.
  • the introduction of this mechanism will have an impact on the existing PHR (power headroom report).
  • the terminal needs to use a certain power backoff due to the limitation of the outband radiation indicator, and cannot transmit at the original maximum transmit power, but needs to reduce a part of the power.
  • FIG. 1 when the UE transmits in a continuous PRB, as shown in part A of FIG.
  • the UE can transmit at the maximum power, for example, 20 dbm; when the UE transmits in a non-contiguous PRB, as shown in part B of FIG. As shown, the total transmit power of the two PRBs does not reach the maximum power of 20dbm, which needs to be reduced, for example, by 3dbm. This means that the UE can only transmit at 17dbm at this time.
  • the specific MAC CE is shown in Table 2.
  • the first two bits are R bits, which are reserved bits, and the last 6 bits are the level indicating PHR.
  • the PHR trigger conditions include:
  • the PHR is triggered when the periodicPHR-timer times out.
  • PHR is triggered when the parameters of the PHR are reconfigured.
  • the maximum power backoff of the terminal one to a certain extent, it depends on the implementation of the terminal: the maximum power backoff of different terminals in the same uplink transmission may be different; the maximum power of the same terminal in different uplink transmission combinations (such as continuous PRB transmission and discontinuous PRB transmission)
  • the rollback may also be different. This difference may be large in some cases, such as 4-6 dB, or more.
  • the existing PHR reporting mechanism does not reflect the power backoff.
  • the base station cannot know the UE power backoff. As a result, the base station cannot perform reasonable scheduling on the UE. Summary of the invention
  • the embodiment of the invention provides a method and a device for reporting a PHR, so that the base station can know the power backoff of the user terminal in time.
  • An embodiment of the present invention provides a method for reporting a PHR, including:
  • the user terminal sends a PHR report to the network side according to the configured PHR reporting policy.
  • the embodiment of the invention provides a network side device, including:
  • the receiving unit is configured to receive a PHR report sent by the user terminal according to the configured PHR reporting policy.
  • An embodiment of the present invention provides a user terminal, including:
  • the reporting unit is configured to send a PHR report to the network side according to the configured PHR reporting policy.
  • the embodiment of the invention has at least the following advantages:
  • DRAWINGS 1 is a schematic diagram of power backoff in the prior art
  • FIG. 2 is a schematic diagram of a PHR reporting mechanism in the prior art
  • a first embodiment of the present invention provides a method for performing a non-continuous PRB scheduling on a user terminal, as shown in FIG. 3, where the network side performs a non-continuous PRB scheduling on the user terminal.
  • the PHR reporting policy is carried by the network side in scheduling signaling sent to the user terminal, and/or the user terminal itself is configured.
  • the sending, by the user terminal, the PHR report to the network side according to the configured PHR reporting policy includes:
  • the user terminal receives scheduling signaling
  • the user terminal parses the PHR trigger information carried in the scheduling signaling, and sends a PHR report to the network side according to the PHR trigger information.
  • the PHR reporting policy includes a timing relationship between the PHR report and the PHR trigger information.
  • the user terminal sends a PHR to the network side according to the configured PHR reporting policy.
  • the report includes:
  • the user terminal sends a PHR report to the network side each time the discontinuous PRB scheduling is performed.
  • the sending, by the user terminal, the PHR report to the network side according to the configured PHR reporting policy includes:
  • the PHR report corresponding to the current discontinuous PRB schedule is sent.
  • the sending, by the user terminal, the PHR report to the network side according to the configured PHR reporting policy includes:
  • the sending, by the user terminal, the PHR report to the network side according to the configured PHR reporting policy includes:
  • the user terminal receives the scheduling signaling, and parses the PHR trigger information carried in the scheduling signaling;
  • the user terminal sends a PHR advertisement to the network side according to the PHR trigger information.
  • the step 301 is not a requirement.
  • the user terminal sends the policy to the network according to the configured PHR reporting policy.
  • the method of sending PHR reports on the side still applies.
  • a second embodiment of the present invention provides a method for reporting a PHR, as shown in FIG. 4, including The following steps:
  • the time relationship between the PHR report and the PHR trigger is 4 subframes.
  • the lbit PHR trigger information is added to the UL grant, and the UE receives the received packet in the downlink subframe k.
  • the PHR is reported in the k+4 uplink subframe. The PHR is calculated based on the signal transmission condition of the k+4 uplink subframe.
  • Step 501 The base station sends a MAC CE signaling carrying the PHR trigger information to the UE.
  • the UE after acquiring the PHR trigger information carried in the MAC CE signaling, the UE sends a PHR report to the base station according to the agreed timing relationship.
  • the UE sends a PHR report to the first non-contiguous PRB scheduling transmission after the MAC CE is triggered.
  • the UE receives the MAC CE signaling of the scheduling trigger power backoff report in the downlink subframe k.
  • the first non-contiguous PRB transmission is performed in the uplink subframe k+n, so the UE reports the power backoff in the uplink subframe k+n.
  • the PHR of the power backoff is calculated based on the signal transmission condition of the k+n uplink subframe.
  • the report here can also set a MAC CE to indicate the power backoff, for example, set to P-PHR.
  • a fourth embodiment of the present invention provides a method for reporting a PHR. As shown in FIG. 6, the method includes the following steps:
  • Step 601 The network side performs discontinuous PRB scheduling on the UE.
  • Step 801 The network side performs discontinuous PRB scheduling on the UE.
  • Step 802 The UE determines whether the power backoff value is smaller than the preset value. If the preset value is less than the preset value, the PHR report is not triggered. If the preset value is greater than the preset value, step 803 is performed.
  • the UE itself triggers the PHR report, and sets a MAC CE to indicate that the power is backed off, for example, is set to P-PHR.
  • the network side performs the discontinuous PRB scheduling, the UE actively triggers the reporting of the MAC CE P-PHR, so that the network side knows the power backoff of the UE in this case.
  • the method provided in the foregoing embodiment of the present invention may also be combined into a new power control method.
  • the UE parses the PDCCH signaling.
  • the MAC CE signaling obtains the PHR trigger information, but before sending the PHR report to the network side, the UE needs to determine whether it is greater than the preset value, and sends the PHR advertisement to the network side if the judgment result is yes.
  • the base station can obtain the power backoff value Pbackoff_y of the terminal in the uplink transmission situation like the subframe y by the difference between the PHR_x and the PHR_y.
  • the uplink resource scheduling can be used as a reference.
  • Each of the PHR reports here can adopt the foregoing two types of methods (that is, the base station scheduling trigger or the UE triggers itself).
  • the base station can estimate various PHR values by obtaining different transmission conditions.
  • the terminal power backoff value in the case of the transmission is referred to in the subsequent scheduling.
  • the seventh embodiment of the present invention provides a network side device, as shown in FIG. 9, including: a scheduling unit 11 configured to perform discontinuity on the user terminal. PRB scheduling;
  • the scheduling signaling is PDCCH signaling or MAC CE signaling.
  • the scheduling unit 11 is not a requirement, and when the user terminal generates power back-off due to reasons other than the discontinuous PRB scheduling, the user terminal in the embodiment according to the configured PHR reporting policy The method of sending PHR reports on the network side still applies.
  • the embodiment of the present invention provides a user terminal, as shown in FIG. 10, including: a receiving unit 21, configured to receive a discontinuous PRB scheduling on the network side;
  • the receiving unit 21 is further configured to receive scheduling signaling.
  • the reporting unit 22 is configured to parse the PHR trigger information carried in the scheduling signaling, and send a PHR report to the network side according to the timing relationship between the PHR trigger information and the PHR report.
  • the upper unit 22 is also used to:
  • the PHR report is sent to the network side each time the discontinuous PRB scheduling is performed.
  • the reporting unit 22 further includes:
  • a determining subunit 221, configured to determine whether a PHR report corresponding to the current discontinuous PRB scheduling has been sent
  • the transmitting subunit 222 when the determining result of the determining subunit 221 is negative, Send the PHR report corresponding to the current discontinuous PRB schedule.
  • the upper unit 22 further includes:
  • the determining subunit 221 is configured to determine whether the power backoff value difference is greater than a preset value, and the sending subunit 222, when the determining result of the determining subunit 221 is YES, send a PHR report to the network side.
  • the receiving unit 21 is further configured to receive scheduling signaling, and parse the PHR trigger information carried in the scheduling signaling;
  • the reporting unit 22 is further configured to: determine whether the power backoff value is greater than a preset value, and if the determination result is yes, send a PHR report to the network side according to the PHR trigger information.
  • the scheduling signaling is PDCCH signaling or MAC CE signaling.
  • the user terminal when the network side performs the discontinuous PRB scheduling on the user terminal, the user terminal sends a PHR report to the network side according to the configured PHR reporting policy, so that the network side knows the power backoff of the user terminal, so that the base station can be made.
  • Reasonable scheduling of the UE when the network side performs the discontinuous PRB scheduling on the user terminal, the user terminal sends a PHR report to the network side according to the configured PHR reporting policy, so that the network side knows the power backoff of the user terminal, so that the base station can be made.
  • the receiving unit 21 is not a requirement, and when the user terminal generates power back-off due to reasons other than the discontinuous PRB scheduling, the user terminal in the embodiment according to the configured PHR reporting policy The method of sending PHR reports on the network side still applies.
  • a form of software product is embodied, the computer software product being stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the present invention.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • modules in the device in the embodiment can be implemented according to the actual The embodiment description is carried out in a device distributed in the embodiment, and the corresponding change can also be made in one or more devices different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into multiple sub-modules.

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

Abstract

La présente invention concerne un procédé et un dispositif pour rapporter un rapport de marge de puissance (« Power Headroom Report » ou PHR). Le procédé comprend les étapes suivantes : un terminal utilisateur transmet un PHR à un côté réseau selon une stratégie de rapport de PHR configurée. Dans la présente invention, lorsque le côté réseau réalise un ordonnancement de bloc de ressources physiques (« Physical Resource Block » ou PRB) non contigu sur le terminal utilisateur, le terminal utilisateur transmet le PHR au côté réseau selon la stratégie de rapport de PHR configurée, permettant au côté réseau de connaître la situation de recul de puissance du terminal utilisateur, permettant ainsi à une station de base de réaliser un ordonnancement raisonnable sur le terminal utilisateur.
PCT/CN2011/072821 2010-04-29 2011-04-14 Procédé et dispositif pour rapporter un rapport de marge de puissance (phr) Ceased WO2011134351A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010163796.4 2010-04-29
CN201010163796.4A CN102083129B (zh) 2010-04-29 2010-04-29 一种phr上报的方法及设备

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US10506596B2 (en) 2016-10-28 2019-12-10 Qualcomm Incorporated Coexistence of interleaved and contiguous uplink transmissions
CN115915374A (zh) * 2019-01-11 2023-04-04 Oppo广东移动通信有限公司 一种信息处理方法及终端设备

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CN102595516B (zh) * 2011-01-11 2015-05-06 中兴通讯股份有限公司 根据PHR进行QoS调度方法及服务器
CN103313372A (zh) * 2012-03-15 2013-09-18 中兴通讯股份有限公司 功率控制方法及装置
CN104685915B (zh) * 2013-08-09 2019-01-25 华为技术有限公司 一种phr的上报方法及装置
WO2015139329A1 (fr) * 2014-03-21 2015-09-24 Alcatel Lucent Procédé et appareil pour une communication de type machine à faible coût
CN107018565A (zh) * 2016-01-28 2017-08-04 索尼公司 无线通信系统以及无线通信系统中的装置和方法
PT3503634T (pt) * 2016-09-14 2023-02-07 Ntt Docomo Inc Terminal de utilizador e método de comunicação em sem fios
US11039405B2 (en) 2017-09-08 2021-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Power headroom report method and device
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
CN109451844B (zh) 2017-12-25 2021-11-23 北京小米移动软件有限公司 功率余量报告传输方法和装置
CN110035489B (zh) * 2018-01-12 2021-01-22 电信科学技术研究院有限公司 一种功率余量上报处理方法、终端及网络侧设备
KR102409617B1 (ko) 2018-01-11 2022-06-15 다탕 모바일 커뮤니케이션즈 이큅먼트 코포레이션 리미티드 파워 헤드룸 리포팅 처리 방법, 단말 및 네트워크측 기기
CN110602778B (zh) * 2018-06-13 2021-06-25 大唐移动通信设备有限公司 一种功率余量的调度方法及装置
CN110972186B (zh) * 2018-09-28 2022-02-01 维沃移动通信有限公司 功率余量上报方法及终端设备
WO2021088048A1 (fr) * 2019-11-08 2021-05-14 Oppo广东移动通信有限公司 Procédé de réduction de puissance, équipement terminal et dispositif de réseau
WO2021174493A1 (fr) * 2020-03-05 2021-09-10 北京小米移动软件有限公司 Procédé et appareil de transmission de données, ainsi que dispositif de communication et support de stockage
CN113767679A (zh) 2020-04-03 2021-12-07 Oppo广东移动通信有限公司 控制发射功率的方法、终端设备和网络设备
CN115604804A (zh) * 2021-06-28 2023-01-13 中兴通讯股份有限公司（Cn） Phr的上报方法、基站、终端、电子设备及存储介质

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US11212802B2 (en) 2016-10-28 2021-12-28 Qualcomm Incorporated Coexistence of interleaved and contiguous uplink transmissions
CN115915374A (zh) * 2019-01-11 2023-04-04 Oppo广东移动通信有限公司 一种信息处理方法及终端设备
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CN102083129A (zh) 2011-06-01

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