CN110050425A - 外环链路自适应的调整方法和装置 - Google Patents

外环链路自适应的调整方法和装置 Download PDF

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CN110050425A
CN110050425A CN201780076398.9A CN201780076398A CN110050425A CN 110050425 A CN110050425 A CN 110050425A CN 201780076398 A CN201780076398 A CN 201780076398A CN 110050425 A CN110050425 A CN 110050425A
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sinr
terminal device
target cluster
channel quality
updated
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CN110050425B (zh
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曾兴
秦一平
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H04L1/0021—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach in which the algorithm uses adaptive thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1835—Buffer management
    • H04L1/1845—Combining techniques, e.g. code combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/203—Details of error rate determination, e.g. BER, FER or WER
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electromagnetism (AREA)

Abstract

本发明实施例提供一种外环链路自适应的调整方法和装置，基站通过获取终端设备的至少一个信道质量信息，根据终端设备的至少一个信道质量信息以及小区内的多个簇的信道质量范围，确定终端设备所属的目标簇，并根据终端设备的至少一个信道质量信息更新目标簇的SINR误差调整量以及小区的信道质量波动参数，最后根据目标簇的SINR误差调整量和小区的信道质量波动参数确定终端设备的OLLA调整量的初始值。本实施例的方法从SINR测量误差和SINR波动两个维度确定终端设备的OLLA调整量的初始值，并且调整时考虑到了不同终端设备的信道质量的差异，使得终端设备的OLLA调整量的初始值更加准确。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN201780076398.9A 2017-01-25 2017-01-25 外环链路自适应的调整方法和装置 Active CN110050425B (zh)

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US (1) US11095393B2 (zh)
EP (1) EP3557793B1 (zh)
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CN113839740A (zh) * 2020-06-24 2021-12-24 中兴通讯股份有限公司 外环值确定方法、装置、设备及存储介质
CN114866189A (zh) * 2022-05-06 2022-08-05 北京佰才邦技术股份有限公司 一种调制与编码策略mcs确定方法和装置

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US11133887B2 (en) * 2019-10-11 2021-09-28 Itron Global Sarl Reliable link quality estimation in multi-rate networks
CN112929980A (zh) * 2019-12-06 2021-06-08 中兴通讯股份有限公司 初始mcs值确定方法、电子设备及存储介质
EP4358444A4 (en) * 2021-06-28 2024-10-16 Zte Corp OUTER LOOP INITIAL VALUE ADJUSTMENT METHOD, DEVICE, AND COMPUTER READABLE STORAGE MEDIUM
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US20230254090A1 (en) * 2022-02-04 2023-08-10 Gogo Business Aviation Llc Methods And Systems For Adapting Cellular Downlink Channels Operating In The Presence Of Non-Stationary Interference
US20230318734A1 (en) * 2022-04-03 2023-10-05 Skylo Technologies, Inc. Adaptive Satellite Wireless Communication Parameter Selections
CN117134858A (zh) * 2022-05-20 2023-11-28 中兴通讯股份有限公司 外环初始值的调整方法、设备及计算机可读存储介质
WO2024205006A1 (ko) * 2023-03-28 2024-10-03 삼성전자 주식회사 무선 통신 시스템에서 mcs를 결정하기 위한 방법 및 장치

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CN112448789A (zh) * 2019-09-02 2021-03-05 中兴通讯股份有限公司 一种自适应调制方式控制方法、装置、基站及存储介质
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WO2018137204A1 (zh) 2018-08-02
CN110050425B (zh) 2020-12-22
US20190349789A1 (en) 2019-11-14
EP3557793A4 (en) 2019-12-25
EP3557793A1 (en) 2019-10-23
US11095393B2 (en) 2021-08-17
EP3557793B1 (en) 2020-12-02

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