DE602004010505D1 - Bestimmung der qualität für eine drahtlose kommunikationsverbindung - Google Patents
Bestimmung der qualität für eine drahtlose kommunikationsverbindungInfo
- Publication number
- DE602004010505D1 DE602004010505D1 DE602004010505T DE602004010505T DE602004010505D1 DE 602004010505 D1 DE602004010505 D1 DE 602004010505D1 DE 602004010505 T DE602004010505 T DE 602004010505T DE 602004010505 T DE602004010505 T DE 602004010505T DE 602004010505 D1 DE602004010505 D1 DE 602004010505D1
- Authority
- DE
- Germany
- Prior art keywords
- quality
- determination
- wireless communication
- communication connection
- link
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 abstract 2
- 238000012935 Averaging Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
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
- H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Radio Transmission System (AREA)
- Transceivers (AREA)
- Communication Control (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03009630 | 2003-04-29 | ||
EP03009630 | 2003-04-29 | ||
PCT/EP2004/004575 WO2004098119A1 (en) | 2003-04-29 | 2004-04-29 | Quality determination for a wireless communications link |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004010505D1 true DE602004010505D1 (de) | 2008-01-17 |
DE602004010505T2 DE602004010505T2 (de) | 2008-11-27 |
Family
ID=33305763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004010505T Expired - Lifetime DE602004010505T2 (de) | 2003-04-29 | 2004-04-29 | Bestimmung der qualität für eine drahtlose kommunikationsverbindung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7231183B2 (de) |
EP (1) | EP1618695B1 (de) |
CN (1) | CN1809982B (de) |
AT (1) | ATE380419T1 (de) |
DE (1) | DE602004010505T2 (de) |
HK (1) | HK1095446A1 (de) |
WO (1) | WO2004098119A1 (de) |
ZA (1) | ZA200507753B (de) |
Families Citing this family (58)
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US7035661B1 (en) * | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
MXPA05013911A (es) * | 2003-06-26 | 2006-02-24 | Interdigital Tech Corp | Metodo para generar un indicador de calidad de canal mediante la polarizacion de la proporcion de senal a inaterferencia. |
US7684753B2 (en) * | 2004-07-21 | 2010-03-23 | Nokia Corporation | Method and device for transmission parameter selection in mobile communications |
ATE549892T1 (de) * | 2004-10-29 | 2012-03-15 | Ericsson Telefon Ab L M | Verfahren und anordnung zur leistungsregelung auf der basis gegenseitiger informationen |
EP1808039B1 (de) * | 2004-10-29 | 2014-07-16 | Telefonaktiebolaget LM Ericsson (publ) | Betriebsmittelzuteilung in kommunikationsnetzen |
US7492722B2 (en) * | 2004-11-04 | 2009-02-17 | Interdigital Technology Corporation | Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate |
WO2006059565A1 (ja) * | 2004-11-30 | 2006-06-08 | Matsushita Electric Industrial Co., Ltd. | マルチキャリア通信における無線通信装置および無線通信方法 |
US20060143090A1 (en) * | 2004-12-27 | 2006-06-29 | Barry Ridings | Method and system for identifying wireless network coverage gaps |
CN1832391A (zh) * | 2005-03-11 | 2006-09-13 | 松下电器产业株式会社 | 多天线通信系统中的自适应重传方法和设备 |
CN1832392A (zh) * | 2005-03-11 | 2006-09-13 | 松下电器产业株式会社 | 多入多出系统中数据重传的方法和设备 |
US20060234642A1 (en) * | 2005-03-14 | 2006-10-19 | Motorola, Inc. | Low feedback scheme for link quality reporting based on the exp esm technique |
US20060221847A1 (en) * | 2005-03-29 | 2006-10-05 | Dacosta Behram M | Method and apparatus for selecting transmission modulation rates in wireless devices for A/V streaming applications |
US20060251180A1 (en) * | 2005-05-03 | 2006-11-09 | Motorola, Inc. | Method and system for selecting mcs in a communication network |
US20060268976A1 (en) * | 2005-05-03 | 2006-11-30 | Motorola, Inc. | Method and apparatus for determining channel quality and performing adaptive modulation coding within a multi carrier communication system |
US7412020B1 (en) * | 2005-06-27 | 2008-08-12 | The United States Of America As Represented By The Secretary Of The Army | Training for time-selective wireless fading channels using cutoff rate |
US7457588B2 (en) * | 2005-08-01 | 2008-11-25 | Motorola, Inc. | Channel quality indicator for time, frequency and spatial channel in terrestrial radio access network |
EP2369761B1 (de) | 2005-08-24 | 2020-11-25 | InterDigital Technology Corporation | Verfahren und Vorrichtung zur Anpassung der Feedbackdauer eines Kanalqualitätsindikators zwecks Erhöhung einer Uplink-Kapazität |
US7733968B2 (en) * | 2005-09-27 | 2010-06-08 | Qualcomm Incorporated | Evaluation of transmitter performance |
TWI333349B (en) * | 2005-09-27 | 2010-11-11 | Qualcomm Inc | Evaluation of transmitter performance |
US20070070877A1 (en) * | 2005-09-27 | 2007-03-29 | Thomas Sun | Modulation type determination for evaluation of transmitter performance |
US20070076810A1 (en) * | 2005-09-30 | 2007-04-05 | Herrera Alfonso R | System and method for selecting transmission format using effective SNR |
PL3148143T3 (pl) | 2005-09-30 | 2018-07-31 | Optis Wireless Technology, Llc | Urządzenie do transmisji radiowej oraz sposób transmisji radiowej oparty na informacji o przesunięciu do dostosowania sprawności kodu dla danych i sprawności kodu dla informacji sterujących |
CN101305630B (zh) * | 2005-11-09 | 2011-11-16 | 艾利森电话股份有限公司 | 无线电通信网络中无线电资源的选择 |
US20070127358A1 (en) * | 2005-11-23 | 2007-06-07 | Qualcomm Incorporated | Phase correction in a test receiver |
JP2007274336A (ja) * | 2006-03-31 | 2007-10-18 | Fujitsu Ltd | 無線基地局及び無線端末 |
US7734303B2 (en) * | 2006-04-12 | 2010-06-08 | Qualcomm Incorporated | Pilot modulation error ratio for evaluation of transmitter performance |
US8472448B2 (en) | 2006-07-21 | 2013-06-25 | Intel Corporation | Wireless adaptive packet control message apparatus, systems, and methods |
US8176376B2 (en) * | 2006-10-02 | 2012-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Optimal error protection coding for MIMO ACK/NACK/POST information |
CN101232690B (zh) * | 2007-01-23 | 2012-03-21 | 华为技术有限公司 | 时分双工系统中综合应用双向信道质量指示的方法及系统 |
FI20075272A0 (fi) * | 2007-04-19 | 2007-04-19 | Nokia Corp | Vastaanotin ja vastaanottomenetelmä |
US8687561B2 (en) | 2007-05-04 | 2014-04-01 | Motorola Mobility Llc | Method and system for link adaptation using metric feedback |
GB0712701D0 (en) * | 2007-06-29 | 2007-08-08 | Inc Icera | Processing transmission in a wireless communication system |
US7778340B2 (en) * | 2007-09-06 | 2010-08-17 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Accurate channel quality indicator for link adaptation of MIMO communication systems |
CN101437244B (zh) * | 2007-11-16 | 2010-04-14 | 大唐移动通信设备有限公司 | 一种链路仿真与系统仿真接口的实现方法与装置 |
EP2088725B1 (de) * | 2008-02-11 | 2014-05-07 | Telefonaktiebolaget LM Ericsson (publ) | Verfahren zur Soft-Bit-Skalierung |
KR101517539B1 (ko) | 2008-02-26 | 2015-05-06 | 에스케이텔레콤 주식회사 | 링크 레벨과 시스템 레벨 간의 인터페이스 방법 및 그시뮬레이터 장치 |
US8416881B1 (en) * | 2008-03-21 | 2013-04-09 | Apple Inc. | Effective signal interference plus noise ratio estimation for multi-order modulation |
US8451719B2 (en) * | 2008-05-16 | 2013-05-28 | Imagine Communications Ltd. | Video stream admission |
US9762414B2 (en) | 2009-02-04 | 2017-09-12 | Acorn Technologies, Inc. | Least squares channel identification for OFDM Systems |
US8761274B2 (en) | 2009-02-04 | 2014-06-24 | Acorn Technologies, Inc. | Least squares channel identification for OFDM systems |
US20100238990A1 (en) * | 2009-03-19 | 2010-09-23 | Rao Anil M | Methods for indentifying errant channel reporting devices |
JP5324335B2 (ja) * | 2009-06-25 | 2013-10-23 | 京セラ株式会社 | 無線基地局及び補正値算出方法 |
JP5324336B2 (ja) * | 2009-06-25 | 2013-10-23 | 京セラ株式会社 | 閾値算出方法及び無線基地局 |
CN102075461B (zh) * | 2009-11-20 | 2014-11-12 | 富士通株式会社 | 链路质量估计方法和装置以及链路自适应方法和装置 |
US8670735B2 (en) * | 2010-05-28 | 2014-03-11 | Nec Corporation | Receiver and method of estimating signal to noise power ratio |
JPWO2012169554A1 (ja) * | 2011-06-08 | 2015-02-23 | 日本電気株式会社 | 無線通信システム、受信機 |
CN103023620B (zh) * | 2011-09-20 | 2016-06-08 | 华为技术有限公司 | 链路自适应反馈方法和设备 |
US9001923B2 (en) * | 2011-11-01 | 2015-04-07 | The Board Of Trustees Of The Leland Stanford Junior University | Performance prediction in communication systems |
US8824527B2 (en) | 2011-11-15 | 2014-09-02 | Acorn Technologies, Inc. | OFDM receiver with time domain channel estimation |
GB2500444B (en) * | 2012-03-21 | 2015-09-16 | Broadcom Corp | Data processing |
US8953726B2 (en) | 2012-06-01 | 2015-02-10 | Qualcomm Incorporated | Antenna selection technique for fast diversity |
US8976695B2 (en) | 2012-08-23 | 2015-03-10 | Harris Corporation | Wireless communications system having selective wireless communications network and related methods |
US9154337B2 (en) | 2013-03-15 | 2015-10-06 | Acorn Technologies, Inc. | Non-linear time domain channel estimation in OFDM systems |
US8897353B2 (en) | 2013-03-15 | 2014-11-25 | Acorn Technologies, Inc. | Block time domain channel estimation in OFDM system |
US9031123B2 (en) | 2013-03-15 | 2015-05-12 | Acorn Technologies, Inc. | Communication system and method using subspace interference cancellation |
US10606676B2 (en) | 2014-04-23 | 2020-03-31 | Comcast Cable Communications. LLC | Data interpretation with modulation error ratio analysis |
CN107005579A (zh) * | 2014-09-26 | 2017-08-01 | 华为技术有限公司 | 用于确定ue级的反馈cqi的方法、基站、以及ue |
KR102444569B1 (ko) * | 2018-02-08 | 2022-09-19 | 삼성전자주식회사 | 무선 통신 시스템에서 빔을 선택하기 위한 장치 및 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5351274A (en) * | 1993-08-20 | 1994-09-27 | General Electric Company | Post detection selection combining diversity receivers for mobile and indoor radio channels |
CN1225227A (zh) * | 1996-07-05 | 1999-08-04 | 艾利森电话股份有限公司 | 无线通信系统中的质量确定方法与装置 |
US6678844B2 (en) * | 1999-12-22 | 2004-01-13 | Interuniversitair Microelektronica Centrum (Imec) | System and method for determining bit-error rates |
FR2815795B1 (fr) * | 2000-10-20 | 2003-02-07 | Cit Alcatel | Procede d'adaptation de lien dans un systeme de radiocommunications mobiles |
US6745352B2 (en) * | 2000-12-13 | 2004-06-01 | Ericsson Inc. | Methods of estimating error rates for communications received using iterative processing and related receivers |
US7020110B2 (en) * | 2002-01-08 | 2006-03-28 | Qualcomm Incorporated | Resource allocation for MIMO-OFDM communication systems |
US7054643B2 (en) * | 2002-02-20 | 2006-05-30 | Nokia Corporation | System for rate control of multicast data delivery in a wireless network |
US7133689B2 (en) * | 2002-09-12 | 2006-11-07 | Interdigital Technology Corporation | Method and system for adjusting downlink outer loop power to control target SIR |
-
2003
- 2003-10-09 US US10/682,280 patent/US7231183B2/en active Active
-
2004
- 2004-04-29 AT AT04730233T patent/ATE380419T1/de not_active IP Right Cessation
- 2004-04-29 EP EP04730233A patent/EP1618695B1/de not_active Expired - Lifetime
- 2004-04-29 WO PCT/EP2004/004575 patent/WO2004098119A1/en active IP Right Grant
- 2004-04-29 DE DE602004010505T patent/DE602004010505T2/de not_active Expired - Lifetime
- 2004-04-29 CN CN200480011177.6A patent/CN1809982B/zh not_active Expired - Fee Related
- 2004-04-29 ZA ZA200507753A patent/ZA200507753B/en unknown
-
2007
- 2007-01-12 HK HK07100462.2A patent/HK1095446A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20040219883A1 (en) | 2004-11-04 |
ATE380419T1 (de) | 2007-12-15 |
CN1809982A (zh) | 2006-07-26 |
EP1618695B1 (de) | 2007-12-05 |
DE602004010505T2 (de) | 2008-11-27 |
EP1618695A1 (de) | 2006-01-25 |
US7231183B2 (en) | 2007-06-12 |
HK1095446A1 (en) | 2007-05-04 |
WO2004098119A1 (en) | 2004-11-11 |
ZA200507753B (en) | 2007-01-31 |
CN1809982B (zh) | 2010-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |