BRPI0924403A2 - método e aparelho para a estimativa de uma qualidade de canal de enlace descendente - Google Patents

método e aparelho para a estimativa de uma qualidade de canal de enlace descendente

Info

Publication number
BRPI0924403A2
BRPI0924403A2 BRPI0924403A BRPI0924403A BRPI0924403A2 BR PI0924403 A2 BRPI0924403 A2 BR PI0924403A2 BR PI0924403 A BRPI0924403 A BR PI0924403A BR PI0924403 A BRPI0924403 A BR PI0924403A BR PI0924403 A2 BRPI0924403 A2 BR PI0924403A2
Authority
BR
Brazil
Prior art keywords
channel quality
downlink channel
estimating downlink
estimating
quality
Prior art date
Application number
BRPI0924403A
Other languages
English (en)
Inventor
Jianguo Wang
Jingyuan Sun
Lei Wan
Liang Xia
Qiang Li
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BRPI0924403A2 publication Critical patent/BRPI0924403A2/pt

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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]
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0924403A 2009-03-17 2009-03-17 método e aparelho para a estimativa de uma qualidade de canal de enlace descendente BRPI0924403A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/070852 WO2010105417A1 (zh) 2009-03-17 2009-03-17 一种估计下行信道质量的方法和装置

Publications (1)

Publication Number Publication Date
BRPI0924403A2 true BRPI0924403A2 (pt) 2016-01-26

Family

ID=42739118

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0924403A BRPI0924403A2 (pt) 2009-03-17 2009-03-17 método e aparelho para a estimativa de uma qualidade de canal de enlace descendente

Country Status (5)

Country Link
US (1) US8588164B2 (pt)
EP (1) EP2410785B1 (pt)
CN (1) CN102986269B (pt)
BR (1) BRPI0924403A2 (pt)
WO (1) WO2010105417A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2526638B1 (en) * 2010-01-21 2018-02-28 Nokia Technologies Oy Mutual information based signal to interference plus noise ratio estimator for radio link monitoring
JP6027325B2 (ja) * 2012-03-16 2016-11-16 株式会社Ｎｔｔドコモ 無線通信システム、ユーザ端末、無線基地局装置及び無線通信方法
CN103384388B (zh) * 2012-05-04 2016-08-10 华为技术有限公司 确定主小区主站点方法、测量方法、信息发送方法及装置
JP5770682B2 (ja) * 2012-05-31 2015-08-26 株式会社Ｎｔｔドコモ 無線通信システム、無線基地局装置及び無線通信方法
KR102130015B1 (ko) * 2012-07-02 2020-07-03 엘지전자 주식회사 ＨｅｔＮｅｔ 시스템에서 셀 간 간섭을 제어하는 방법 및 장치
CN103634036B (zh) * 2012-08-27 2017-10-27 华为技术有限公司 分布式多小区多用户波束成形方法、发射机及相关系统
US20150264652A1 (en) * 2012-11-16 2015-09-17 Lili Zhang Low-power almost blank subframe (abs) in heterogeneous networks
CN103945555B (zh) * 2013-01-21 2018-03-20 电信科学技术研究院 多点协作传输下的资源调度方法和设备
CN104349486B (zh) * 2013-08-08 2019-05-03 华为技术有限公司 基于干扰消除的协同调度方法、装置和系统
US9184878B2 (en) * 2013-10-17 2015-11-10 Cisco Technology, Inc. Non-disruptive network noise measurement
CN113422678B (zh) * 2016-12-30 2025-04-01 华为技术有限公司 传输上行测量参考信号的方法、装置和系统
US11109432B2 (en) * 2019-02-15 2021-08-31 At&T Intellectual Property I, L.P. Location based coreset configuration for transmitting the physical downlink control channel in 5G wireless communication systems
CN115484619A (zh) * 2021-05-31 2022-12-16 华为技术有限公司 一种通信方法、装置及系统
CN115706608A (zh) * 2021-08-13 2023-02-17 华为技术有限公司 一种通信方法和通信装置
CN115087014B (zh) * 2022-06-20 2024-04-12 中国联合网络通信集团有限公司 灵活帧结构仿真系统的上行信号检测方法及装置

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US6137991A (en) * 1996-12-19 2000-10-24 Ericsson Telefon Ab L M Estimating downlink interference in a cellular communications system
BR0303345A (pt) * 2002-04-15 2004-08-10 Matsushita Electric Industrial Co Ltd Aparelho de recepção e método de recepção
CN100394826C (zh) * 2004-09-02 2008-06-11 上海贝尔阿尔卡特股份有限公司 信道质量内插方法
US7242956B2 (en) * 2004-12-20 2007-07-10 Motorola, Inc. Rapid channel quality based power control for high speed channels
WO2007044281A1 (en) * 2005-10-06 2007-04-19 Interdigital Technology Corporation Method and apparatus for controlling downlink transmission power for ofdma based evolved utra
US7634235B2 (en) 2006-05-30 2009-12-15 Broadcom Corporation Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a rake receiver
WO2008054267A1 (en) 2006-11-01 2008-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for sinr feedback in mimo based wireless communication systems
CN101282564B (zh) * 2007-04-05 2011-01-05 大唐移动通信设备有限公司 一种时分双工系统中估计信道质量指示的方法及终端
CN101325741B (zh) 2007-06-14 2012-12-12 Nxp股份有限公司 用于操作多用户多输入多输出(mu-mimo)无线通信系统的方法和系统
KR100991792B1 (ko) * 2007-12-31 2010-11-04 엘지전자 주식회사 협력적 다중 입출력 방식 신호 송수신 방법
US8948704B2 (en) * 2008-10-22 2015-02-03 Qualcomm Incorporated Scope of channel quality reporting region in a multi-carrier system
KR101065706B1 (ko) * 2008-11-23 2011-09-19 엘지전자 주식회사 무선 이동 통신 시스템에서 제어 정보를 전송하는 방법

Also Published As

Publication number Publication date
US8588164B2 (en) 2013-11-19
US20120057484A1 (en) 2012-03-08
CN102986269B (zh) 2016-03-30
EP2410785B1 (en) 2018-05-09
CN102986269A (zh) 2013-03-20
WO2010105417A1 (zh) 2010-09-23
EP2410785A4 (en) 2012-11-07
EP2410785A1 (en) 2012-01-25

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04W 28/00

Ipc: H04B 17/24 (2015.01), H04B 17/336 (2015.01), H04L

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements