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TWI367037B - Apparatus and method in a cellular network - Google Patents

Apparatus and method in a cellular network

Info

Publication number
TWI367037B
TWI367037B TW094139297A TW94139297A TWI367037B TW I367037 B TWI367037 B TW I367037B TW 094139297 A TW094139297 A TW 094139297A TW 94139297 A TW94139297 A TW 94139297A TW I367037 B TWI367037 B TW I367037B
Authority
TW
Taiwan
Prior art keywords
cellular network
mobile terminal
channel quality
value
acknowledgement messages
Prior art date
Application number
TW094139297A
Other languages
English (en)
Other versions
TW200635409A (en
Inventor
Anders Jonsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of TW200635409A publication Critical patent/TW200635409A/zh
Application granted granted Critical
Publication of TWI367037B publication Critical patent/TWI367037B/zh

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
    • H04L1/12—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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • 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
    • 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
    • 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
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H04L1/0034—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter where the transmitter decides based on inferences, e.g. use of implicit signalling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
TW094139297A 2004-12-17 2005-11-09 Apparatus and method in a cellular network TWI367037B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2004/001912 WO2006065181A1 (en) 2004-12-17 2004-12-17 Apparatus and method in a cellular network

Publications (2)

Publication Number Publication Date
TW200635409A TW200635409A (en) 2006-10-01
TWI367037B true TWI367037B (en) 2012-06-21

Family

ID=36588152

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094139297A TWI367037B (en) 2004-12-17 2005-11-09 Apparatus and method in a cellular network

Country Status (7)

Country Link
US (1) US7894822B2 (zh)
EP (1) EP1825628B1 (zh)
CN (1) CN101084639A (zh)
AT (1) ATE498256T1 (zh)
DE (1) DE602004031386D1 (zh)
TW (1) TWI367037B (zh)
WO (1) WO2006065181A1 (zh)

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EP1761091B1 (en) * 2005-08-30 2012-11-07 LG Electronics, Inc. Method for performing admission control in a cellular network
US8112075B2 (en) * 2006-03-24 2012-02-07 Nokia Corporation HARQ-aware CQI reporting
CN101512950B (zh) * 2006-08-31 2012-11-14 日本电气株式会社 W-cdma通信系统以及cqi发送周期控制方法
KR101584847B1 (ko) 2006-10-31 2016-01-14 인터디지탈 테크날러지 코포레이션 채널 품질 표시자(cqi)들 및 cqi들을 송신하는 송신 시간 간격(tti)의 결정
WO2008102217A1 (en) * 2007-02-22 2008-08-28 Freescale Semiconductor, Inc. Method of optimising the rank of a mmse channel equaliser
JP5138293B2 (ja) * 2007-07-05 2013-02-06 富士通株式会社 受信ダイバーシチを制御する通信装置および方法
JP5222517B2 (ja) * 2007-10-01 2013-06-26 株式会社エヌ・ティ・ティ・ドコモ 補正テーブルを作成する方法及び装置
US7649839B2 (en) * 2007-11-21 2010-01-19 Motorola, Inc. Method and device for managing data rate in a communication system
US8009604B2 (en) * 2008-01-31 2011-08-30 Telefonaktiebolaget Lm Ericsson (Publ) Transmission-compensated radio channel quality
NZ585176A (en) 2008-02-11 2012-07-27 Ericsson Telefon Ab L M Estimating link quality using transmitted reference symbols and adjustment parameters
US8086229B2 (en) * 2008-02-25 2011-12-27 Telefonaktiebolaget L M Ericsson (Publ) Alleviating mobile device overload conditions in a mobile communication system
US8090323B2 (en) 2008-03-04 2012-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Reverse link optimized channel quality estimation
US20090238086A1 (en) * 2008-03-19 2009-09-24 Telefonaktiebolaget Lm Ericsson (Publ) Rank Dependent CQI Back-Off
EP2368393B1 (en) 2008-12-18 2012-09-19 Telefonaktiebolaget L M Ericsson (publ) Communications unit and method for use in a wireless communications network
US20120276896A1 (en) * 2009-09-15 2012-11-01 Rockstar Bidco, LP Adaptive modulation and coding scheme adjustment in wireless networks
US8565143B2 (en) 2009-10-16 2013-10-22 At&T Mobility Ii, Llc Dynamic content distribution in mobile telecommunications network
CN102986144B (zh) * 2010-05-11 2016-03-09 法国电信公司 用于发送和接收多载波信号的方法、对应发射机和接收机
KR101835387B1 (ko) * 2011-04-29 2018-03-08 삼성전자주식회사 단말기 및 그 단말기에서 자원 스케줄링 방법
US9374191B2 (en) * 2012-05-17 2016-06-21 Apple Inc. Outer loop link adaptation for device resumption
US9144080B2 (en) * 2012-11-07 2015-09-22 Telefonaktiebolaget L M Ericsson (Publ) Selecting transmission parameters for downlink transmissions based on retransmission rates
US9729270B2 (en) * 2013-03-12 2017-08-08 Empire Technology Development Llc Self-adaptively improving system stability
CN105518544B (zh) 2013-07-10 2018-01-16 约翰·瑟斯顿·尚德勒 气味输送系统中的相关性
CN104518848A (zh) * 2013-10-08 2015-04-15 中兴通讯股份有限公司 一种hsdpa数据信道单次传输吞吐量的控制方法及终端
WO2017039493A1 (en) * 2015-08-28 2017-03-09 Telefonaktiebolaget Lm Ericsson (Publ) Transmitting downlink signals
CN109788509B (zh) 2017-11-15 2023-03-10 华为技术有限公司 连续数据包传输失败的规避方法及装置
US10833823B2 (en) * 2018-09-28 2020-11-10 At&T Intellectual Property I, L.P. Adaptive demodulation reference signals in wireless communication systems
CN115550989B (zh) * 2022-09-22 2024-06-25 西南交通大学 一种无线感知测量方法和系统

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KR100571802B1 (ko) * 2001-09-03 2006-04-17 삼성전자주식회사 통신 효율을 높이는 이동통신 시스템 및 그 방법
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US20040203476A1 (en) * 2002-10-08 2004-10-14 Jung-Tao Liu Method of feedback for HSDPA system using OFMDA
JP4015939B2 (ja) * 2002-12-17 2007-11-28 株式会社エヌ・ティ・ティ・ドコモ パケット通信方法、基地局、移動局及びパケット通信用プログラム
JP4218387B2 (ja) * 2003-03-26 2009-02-04 日本電気株式会社 無線通信システム、基地局及びそれらに用いる無線リンク品質情報補正方法並びにそのプログラム
KR100730979B1 (ko) * 2003-06-26 2007-06-22 인터디지탈 테크날러지 코포레이션 신호 대 간섭 비를 바이어싱함으로써 채널 품질 표시기를생성하는 방법
JP3746280B2 (ja) 2003-06-27 2006-02-15 株式会社東芝 通信方法、通信システム及び通信装置
CN100531433C (zh) * 2003-08-08 2009-08-19 三菱电机株式会社 通信终端和通信系统
US7181170B2 (en) * 2003-12-22 2007-02-20 Motorola Inc. Apparatus and method for adaptive broadcast transmission
US7310499B2 (en) * 2004-02-17 2007-12-18 Telefonktiebolaget Lm Ericsson (Publ) Method, apparatus and system for handling unreliable feedback information in a wireless network
JP4421935B2 (ja) * 2004-04-30 2010-02-24 株式会社エヌ・ティ・ティ・ドコモ 無線基地局装置及び無線通信制御方法
US9084199B2 (en) * 2004-09-30 2015-07-14 Alcatel Lucent Utilization of overhead channel quality metrics in a cellular network
US20060114936A1 (en) * 2004-12-01 2006-06-01 Analog Devices, Inc. Enhanced processing methods for wireless base stations
JP5063883B2 (ja) * 2005-09-29 2012-10-31 富士通株式会社 無線通信装置、送信方法、送信装置、データ伝送システムおよびデータ伝送方法
JP4649330B2 (ja) * 2005-12-28 2011-03-09 富士通株式会社 移動端末装置及び同装置におけるチャネル補償方法

Also Published As

Publication number Publication date
TW200635409A (en) 2006-10-01
EP1825628A1 (en) 2007-08-29
US7894822B2 (en) 2011-02-22
DE602004031386D1 (de) 2011-03-24
US20080081635A1 (en) 2008-04-03
ATE498256T1 (de) 2011-02-15
EP1825628B1 (en) 2011-02-09
WO2006065181A1 (en) 2006-06-22
CN101084639A (zh) 2007-12-05

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