TW200616367A - Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system - Google Patents
Method and apparatus for subcarrier and antenna selection in MIMO-OFDM systemInfo
- Publication number
- TW200616367A TW200616367A TW094126106A TW94126106A TW200616367A TW 200616367 A TW200616367 A TW 200616367A TW 094126106 A TW094126106 A TW 094126106A TW 94126106 A TW94126106 A TW 94126106A TW 200616367 A TW200616367 A TW 200616367A
- Authority
- TW
- Taiwan
- Prior art keywords
- sub
- antenna
- transmit
- power control
- mimo
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
-
- 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
- H04L5/0025—Spatial division following the spatial signature of the channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
- H04L5/0046—Determination of how many bits are transmitted on different sub-channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60120004P | 2004-08-12 | 2004-08-12 | |
US11/082,286 US8270512B2 (en) | 2004-08-12 | 2005-03-17 | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200616367A true TW200616367A (en) | 2006-05-16 |
TWI309514B TWI309514B (en) | 2009-05-01 |
Family
ID=35799938
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094126106A TWI309514B (en) | 2004-08-12 | 2005-08-01 | Method and apparatus for subcarrier and antenna selection in mimo-ofdm system |
TW097128903A TW200919999A (en) | 2004-08-12 | 2005-08-01 | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system |
TW095104279A TW200703971A (en) | 2004-08-12 | 2005-08-01 | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW097128903A TW200919999A (en) | 2004-08-12 | 2005-08-01 | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system |
TW095104279A TW200703971A (en) | 2004-08-12 | 2005-08-01 | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system |
Country Status (12)
Country | Link |
---|---|
US (3) | US8270512B2 (zh) |
EP (1) | EP1779681A2 (zh) |
JP (1) | JP2008510376A (zh) |
KR (1) | KR20070043880A (zh) |
AU (2) | AU2005274106B2 (zh) |
BR (1) | BRPI0515014A (zh) |
CA (1) | CA2576513A1 (zh) |
IL (1) | IL181225A0 (zh) |
MX (1) | MX2007001707A (zh) |
NO (1) | NO20071291L (zh) |
TW (3) | TWI309514B (zh) |
WO (1) | WO2006020434A2 (zh) |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8270512B2 (en) * | 2004-08-12 | 2012-09-18 | Interdigital Technology Corporation | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system |
KR100648472B1 (ko) * | 2004-10-19 | 2006-11-28 | 삼성전자주식회사 | 다중 송신 다중 수신 안테나 통신 시스템에서 적응 변조및 부호 성능을 최적화하기 위한 송·수신 장치 및 방법 |
WO2006077620A1 (ja) * | 2005-01-18 | 2006-07-27 | Fujitsu Limited | Ofdm-cdma通信システムにおける送信方法および送信装置 |
KR20060096365A (ko) * | 2005-03-04 | 2006-09-11 | 삼성전자주식회사 | 다중 사용자 다중입력 다중출력(mu-mimo)통신시스템의 사용자 스케줄링 방법 |
JP5078610B2 (ja) * | 2005-05-26 | 2012-11-21 | パナソニック株式会社 | 無線通信装置および無線通信方法 |
CN101223750B (zh) * | 2005-05-27 | 2012-05-16 | 诺基亚公司 | 在多发送信道系统中向信道分配子信道 |
US7783267B1 (en) * | 2005-06-23 | 2010-08-24 | Magnolia Broadband Inc. | Modifying a signal in response to quality indicator availability |
US8068872B2 (en) * | 2005-10-06 | 2011-11-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Signaling support for antenna selection using subset lists and subset masks |
KR100717828B1 (ko) * | 2005-12-09 | 2007-05-11 | 한국전자통신연구원 | 다중사용자 ofdm 시스템에서의 적응적 전송전력 할당방법 |
US20080051037A1 (en) | 2005-12-29 | 2008-02-28 | Molnar Karl J | BASE STATION AND METHOD FOR SELECTING BEST TRANSMIT ANTENNA(s) FOR SIGNALING CONTROL CHANNEL INFORMATION |
US20070165576A1 (en) * | 2005-12-29 | 2007-07-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Mimo control channel with shared channelization codes |
CN101026429B (zh) * | 2006-02-17 | 2010-11-10 | 华为技术有限公司 | 为多载波用户设备分配高速下行共享信道的方法 |
CN1829138B (zh) | 2006-04-07 | 2010-04-07 | 清华大学 | 自适应多输入多输出发送接收系统及其方法 |
US7526036B2 (en) * | 2006-04-20 | 2009-04-28 | Mitsubishi Electric Research Laboratories, Inc. | System and method for transmitting signals in cooperative base station multi-user mimo networks |
KR100842259B1 (ko) * | 2006-04-21 | 2008-06-30 | 한국전자통신연구원 | 다중 반송파 변조 방식을 이용한 인체 통신 방법 |
US7933344B2 (en) | 2006-04-25 | 2011-04-26 | Mircosoft Corporation | OFDMA based on cognitive radio |
US7634016B2 (en) * | 2006-04-25 | 2009-12-15 | Microsoft Corporation | Variable OFDM subchannel coding and modulation |
US8189621B2 (en) | 2006-05-12 | 2012-05-29 | Microsoft Corporation | Stack signaling to application with lack of requested bandwidth |
KR100920387B1 (ko) * | 2006-07-05 | 2009-10-07 | 삼성전자주식회사 | 적응적 안테나 시스템의 무선 자원 할당 장치 및 방법 |
US7787567B2 (en) | 2006-09-26 | 2010-08-31 | Intel Corporation | Beamforming by antenna puncturing |
US8144793B2 (en) | 2006-12-12 | 2012-03-27 | Microsoft Corporation | Cognitive multi-user OFDMA |
KR100866615B1 (ko) * | 2007-01-18 | 2008-11-04 | 고려대학교 산학협력단 | 통신 시스템에서 신호 송수신 방법 및 장치 |
KR100947504B1 (ko) * | 2007-02-13 | 2010-03-12 | 삼성전자주식회사 | 다중 안테나 시스템의 송신단에서 간섭을 제거하기 위한장치 및 방법 |
US7787836B2 (en) * | 2007-03-12 | 2010-08-31 | Intel Corporation | Multiple radios communication device and a method thereof |
EP1971043A1 (en) | 2007-03-16 | 2008-09-17 | Sony Deutschland GmbH | Transmitting device and method for transmitting signals in a wireless communication system, receiving device and method for receiving signals in a wireless communication system |
US7929623B2 (en) * | 2007-03-30 | 2011-04-19 | Microsoft Corporation | FEC in cognitive multi-user OFDMA |
US7970085B2 (en) | 2007-05-08 | 2011-06-28 | Microsoft Corporation | OFDM transmission and reception for non-OFDMA signals |
JP5102355B2 (ja) * | 2007-06-21 | 2012-12-19 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 適応アンテナ送信及びアンテナ較正 |
RU2460216C2 (ru) * | 2007-07-06 | 2012-08-27 | Телефонактиеболагет Лм Эрикссон (Пабл) | Установка максимальной мощности в базовой станции системы мобильной связи, имеющей множество антенн |
KR101531053B1 (ko) | 2007-08-10 | 2015-06-25 | 한국전자통신연구원 | 다중 안테나 선택 기법을 이용한 적응 변조 장치 및 방법 |
WO2009022818A2 (en) * | 2007-08-10 | 2009-02-19 | Electronics And Telecommunications Research Institute | System and method for modulating data adaptively using selection of multi antenna |
KR100910178B1 (ko) * | 2007-09-05 | 2009-07-30 | 재단법인서울대학교산학협력재단 | 다중 사용자 다중 송수신 안테나 장치 및 그 방법 |
CN101394257B (zh) * | 2007-09-18 | 2012-03-07 | 中兴通讯股份有限公司 | 多用户多输入多输出预编码的天线选择方法及其装置 |
TW200929917A (en) * | 2007-09-19 | 2009-07-01 | Agency Science Tech & Res | A method of transmitting data to a receiver |
GB2453148B (en) * | 2007-09-27 | 2009-08-19 | Toshiba Res Europ Ltd | Interference avoidance |
GB2453147B (en) * | 2007-09-27 | 2009-11-18 | Toshiba Res Europ Ltd | A wireless transmission device |
GB2453171B (en) * | 2007-09-28 | 2012-09-05 | Toshiba Res Europ Ltd | A wireless transmission device and method |
US7986741B2 (en) * | 2007-09-28 | 2011-07-26 | Samsung Electronics Co., Ltd. | Method and apparatus of improved circular buffer rate matching for turbo-coded MIMO-OFDM wireless systems |
WO2009054685A2 (en) * | 2007-10-25 | 2009-04-30 | Electronics And Telecommunications Research Institute | Multi-antenna communication method and system thereof |
KR20090042140A (ko) | 2007-10-25 | 2009-04-29 | 한국전자통신연구원 | 다중 안테나 통신 방법 및 시스템 |
US8107428B2 (en) * | 2007-12-06 | 2012-01-31 | Ntt Docomo, Inc. | Method of ranging signal design and transmission for MIMO-OFDMA initial ranging process |
CN101471907A (zh) * | 2007-12-28 | 2009-07-01 | 三星电子株式会社 | 多入多出系统中的预编码方法及使用该方法的装置 |
GB2456547B (en) * | 2008-01-17 | 2010-08-18 | Toshiba Res Europ Ltd | Wireless communications apparatus |
US8374130B2 (en) | 2008-01-25 | 2013-02-12 | Microsoft Corporation | Orthogonal frequency division multiple access with carrier sense |
KR100921556B1 (ko) * | 2008-02-15 | 2009-10-12 | 주식회사 케이티 | 배열 안테나 시스템 |
CN104135313B (zh) | 2008-02-28 | 2019-01-04 | 苹果公司 | 基站、移动站和用于操作第一无线节点的方法 |
GB2458111A (en) * | 2008-03-04 | 2009-09-09 | Kassem Benzair | OFDM-MIMO System |
ES2402910T3 (es) * | 2008-03-13 | 2013-05-10 | Telefonaktiebolaget L M Ericsson (Publ) | Método y disposiciones para el control de la potencia de un multiportador de enlace ascendente en un sistema de comunicaciones inalámbrico |
US8155063B2 (en) | 2008-04-28 | 2012-04-10 | Apple Inc. | Apparatus and methods for transmission and reception of data in multi-antenna systems |
JP5416202B2 (ja) * | 2008-04-28 | 2014-02-12 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 無線通信システム内におけるダウンリンクマルチキャリアの電力制御のための方法および構成 |
KR101495047B1 (ko) * | 2008-07-01 | 2015-03-03 | 삼성전자주식회사 | 고속 패킷 억세스 시스템의 데이터 전송 장치 및 방법 |
US20110164526A1 (en) * | 2008-09-04 | 2011-07-07 | Bando Chemical Industries Ltd | Method and apparatus for uplink signal transmission and channel estimation in wireless access network |
KR20100053417A (ko) * | 2008-11-11 | 2010-05-20 | 엘지전자 주식회사 | 다중입력다중출력 시스템에서 신호 전송 방법 및 신호 수신 방법 |
JP5389932B2 (ja) * | 2008-11-14 | 2014-01-15 | エルジー エレクトロニクス インコーポレイティド | 多重アンテナシステムにおける複数のリソースを用いたデータ送信方法及び装置 |
US8855087B2 (en) * | 2008-12-18 | 2014-10-07 | Microsoft Corporation | Wireless access point supporting control by multiple applications |
US9357511B2 (en) * | 2008-12-19 | 2016-05-31 | Nokia Technologies Oy | Two power control loops for antenna switching transmit diversity |
KR101013708B1 (ko) | 2008-12-31 | 2011-02-10 | 주식회사 세아네트웍스 | 광대역 무선 통신 시스템에서의 스케줄링 장치 및 방법 |
WO2010077023A2 (ko) * | 2008-12-31 | 2010-07-08 | 포스데이타 주식회사 | 광대역 무선 통신 시스템에서의 스케줄링 장치 및 방법 |
KR101505118B1 (ko) | 2008-12-31 | 2015-03-24 | 서울대학교산학협력단 | 다중사용자 mimo 시스템에서 사용자 선택 장치 및 방법 |
US8583160B2 (en) * | 2009-05-04 | 2013-11-12 | Qualcomm Incorporated | Uplink power control for wireless communication |
TWI466457B (zh) * | 2009-10-26 | 2014-12-21 | Acer Inc | 用以傳輸視訊之無線傳輸介面及其電源控制方法 |
GB2475307B (en) * | 2009-11-13 | 2012-05-16 | Toshiba Res Europ Ltd | Wireless communications apparatus and method |
US20110158340A1 (en) * | 2009-12-28 | 2011-06-30 | Qualcomm Incorporated | Virtual antenna array for wireless devices |
US9179427B2 (en) | 2010-05-07 | 2015-11-03 | Qualcomm Incorporated | Transmission power dependent imbalance compensation for multi-antenna systems |
GB2482197B (en) * | 2010-07-23 | 2013-07-17 | Toshiba Res Europ Ltd | Method and apparatus for antenna selection in wireless communication systems |
KR101480531B1 (ko) | 2010-09-13 | 2015-01-08 | 한국전자통신연구원 | 무선통신 시스템에서 부반송파 간격의 제어장치 및 방법 |
KR20140053252A (ko) * | 2011-08-05 | 2014-05-07 | 인텔 코포레이션 | 상이한 전송 전력 레벨에서 멀티-mcs ofdm 전송을 위한 무선 통신 디바이스 및 방법 |
CN103947170B (zh) | 2011-11-21 | 2018-01-19 | 英特尔公司 | 用于低功率和低数据率操作的无线设备和方法 |
CN103139180B (zh) * | 2011-12-01 | 2016-08-03 | 华为技术有限公司 | 一种基于流媒体业务提升小区吞吐量的方法和装置 |
US9532272B2 (en) * | 2012-07-02 | 2016-12-27 | Mediatek Inc. | Methods for managing radio resources between multiple radio modules and communications apparatus utilizing the same |
KR101972950B1 (ko) * | 2012-07-19 | 2019-04-26 | 삼성전자 주식회사 | 무선 통신 시스템에서 다중 빔포밍을 위한 전력제어 방법 및 장치 |
KR20140115785A (ko) * | 2013-03-22 | 2014-10-01 | 한국전자통신연구원 | 무선 링크 장치 |
WO2014154237A1 (en) * | 2013-03-25 | 2014-10-02 | Nokia Solutions And Networks Oy | Error correction coding scheme on a frequency band comprising sub-bands |
US10020882B2 (en) | 2016-01-07 | 2018-07-10 | Ozyegin Universitesi | Adaptive multiple input multiple output (MIMO) optical orthogonal frequency division multiplexing (O-OFDM) based visible light communication |
KR102055826B1 (ko) * | 2016-12-02 | 2019-12-13 | 에스케이텔레콤 주식회사 | 기지국 및 단말 장치 |
US10044537B2 (en) * | 2016-12-28 | 2018-08-07 | Intel IP Corporation | Frequency domain pulse position modulation |
KR102486002B1 (ko) * | 2018-05-28 | 2023-01-10 | 에스케이텔레콤 주식회사 | 안테나의 송신출력 제어 방법 및 장치 |
KR102025641B1 (ko) * | 2018-07-09 | 2019-11-04 | 에스케이텔레콤 주식회사 | 기지국 및 단말 장치 |
US11310714B1 (en) * | 2020-03-27 | 2022-04-19 | T-Mobile Innovations Llc | Load balancing based on pairing efficiency |
GB2598740B (en) * | 2020-09-09 | 2022-11-30 | British Telecomm | Wireless telecommunication system |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5416925A (en) * | 1993-12-08 | 1995-05-23 | Davis; Scott | Necktie and method of manufacture |
SE515752C2 (sv) * | 1995-08-28 | 2001-10-08 | Telia Ab | Direktåtkomst i OFDM-system |
US5901377A (en) * | 1998-02-10 | 1999-05-11 | Hge Enterprises, Llc | Necktie personalization kit |
US6351499B1 (en) * | 1999-12-15 | 2002-02-26 | Iospan Wireless, Inc. | Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter |
US6473467B1 (en) * | 2000-03-22 | 2002-10-29 | Qualcomm Incorporated | Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system |
EP1821480B1 (en) * | 2000-08-24 | 2009-10-21 | Sony Deutschland Gmbh | Communication device for receiving and transmitting OFDM signals in a wireless communication system |
US7233625B2 (en) | 2000-09-01 | 2007-06-19 | Nortel Networks Limited | Preamble design for multiple input—multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) system |
US7006464B1 (en) * | 2000-11-17 | 2006-02-28 | Lucent Technologies Inc. | Downlink and uplink channel structures for downlink shared channel system |
US6859503B2 (en) * | 2001-04-07 | 2005-02-22 | Motorola, Inc. | Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel |
US6785341B2 (en) | 2001-05-11 | 2004-08-31 | Qualcomm Incorporated | Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information |
US7072413B2 (en) | 2001-05-17 | 2006-07-04 | Qualcomm, Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion |
US7688899B2 (en) | 2001-05-17 | 2010-03-30 | Qualcomm Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion |
US6751187B2 (en) | 2001-05-17 | 2004-06-15 | Qualcomm Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission |
KR100703295B1 (ko) * | 2001-08-18 | 2007-04-03 | 삼성전자주식회사 | 이동통신시스템에서 안테나 어레이를 이용한 데이터 송/수신 장치 및 방법 |
US6956907B2 (en) * | 2001-10-15 | 2005-10-18 | Qualcomm, Incorporated | Method and apparatus for determining power allocation in a MIMO communication system |
US7304939B2 (en) * | 2001-12-03 | 2007-12-04 | Nortel Networks Limited | Communication using simultaneous orthogonal signals |
US7197084B2 (en) | 2002-03-27 | 2007-03-27 | Qualcomm Incorporated | Precoding for a multipath channel in a MIMO system |
EP1983651B1 (en) | 2002-07-30 | 2014-11-05 | IPR Licensing, Inc. | Device for multiple-input multiple output (MIMO) radio communication |
US20040121730A1 (en) | 2002-10-16 | 2004-06-24 | Tamer Kadous | Transmission scheme for multi-carrier MIMO systems |
US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8218609B2 (en) * | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
KR100511559B1 (ko) | 2002-11-28 | 2005-08-31 | 한국전자통신연구원 | 시변 채널 왜곡 제거 기능을 가지는 주파수 분할 다중시스템에서의 송수신 방법 |
US20040105512A1 (en) | 2002-12-02 | 2004-06-03 | Nokia Corporation | Two step synchronization procedure for orthogonal frequency division multiplexing (OFDM) receivers |
KR100542090B1 (ko) * | 2002-12-16 | 2006-01-11 | 한국전자통신연구원 | 무선 통신 시스템에서의 오류 제어 방법, 매체 접속 제어프레임 설계 방법 및 단말기 등록 방법과 기록 매체 |
US7352688B1 (en) * | 2002-12-31 | 2008-04-01 | Cisco Technology, Inc. | High data rate wireless bridging |
US7154960B2 (en) * | 2002-12-31 | 2006-12-26 | Lucent Technologies Inc. | Method of determining the capacity of each transmitter antenna in a multiple input/multiple output (MIMO) wireless system |
US7203261B2 (en) * | 2003-04-07 | 2007-04-10 | Qualcomm Incorporated | Phase locked loop for an OFDM system |
US7453793B1 (en) * | 2003-04-10 | 2008-11-18 | Qualcomm Incorporated | Channel estimation for OFDM communication systems including IEEE 802.11A and extended rate systems |
EP1480400A1 (en) * | 2003-05-21 | 2004-11-24 | Siemens Mobile Communications S.p.A. | A method of bit and power loading in OFDM communication systems with modulation and coding adaptation |
KR100689382B1 (ko) | 2003-06-20 | 2007-03-02 | 삼성전자주식회사 | 직교분할다중화방식을 기반으로 하는이동통신시스템에서의 송신장치 및 방법 |
US7382719B2 (en) | 2003-09-05 | 2008-06-03 | Texas Instruments Incorporated | Scalable and backwards compatible preamble for OFDM systems |
US7120395B2 (en) * | 2003-10-20 | 2006-10-10 | Nortel Networks Limited | MIMO communications |
KR100996080B1 (ko) | 2003-11-19 | 2010-11-22 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서적응적 변조 및 코딩 제어 장치 및 방법 |
US7298805B2 (en) | 2003-11-21 | 2007-11-20 | Qualcomm Incorporated | Multi-antenna transmission for spatial division multiple access |
US7145940B2 (en) | 2003-12-05 | 2006-12-05 | Qualcomm Incorporated | Pilot transmission schemes for a multi-antenna system |
US7701917B2 (en) | 2004-02-05 | 2010-04-20 | Qualcomm Incorporated | Channel estimation for a wireless communication system with multiple parallel data streams |
US7356017B2 (en) * | 2004-02-19 | 2008-04-08 | Nokia Corporation | Data loading method, transmitter, and base station |
GB2411328B (en) | 2004-02-23 | 2007-05-16 | Toshiba Res Europ Ltd | Adaptive MIMO systems |
KR100946923B1 (ko) | 2004-03-12 | 2010-03-09 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 채널 품질 정보의 송수신 장치 및 방법, 그리고 그에 따른 시스템 |
US20050213686A1 (en) * | 2004-03-26 | 2005-09-29 | Texas Instruments Incorporated | Reduced complexity transmit spatial waterpouring technique for multiple-input, multiple-output communication systems |
US8270512B2 (en) * | 2004-08-12 | 2012-09-18 | Interdigital Technology Corporation | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system |
-
2005
- 2005-03-17 US US11/082,286 patent/US8270512B2/en active Active
- 2005-07-29 EP EP05783823A patent/EP1779681A2/en not_active Withdrawn
- 2005-07-29 MX MX2007001707A patent/MX2007001707A/es active IP Right Grant
- 2005-07-29 JP JP2007525652A patent/JP2008510376A/ja not_active Withdrawn
- 2005-07-29 AU AU2005274106A patent/AU2005274106B2/en not_active Ceased
- 2005-07-29 KR KR1020077005742A patent/KR20070043880A/ko not_active Application Discontinuation
- 2005-07-29 BR BRPI0515014-0A patent/BRPI0515014A/pt not_active IP Right Cessation
- 2005-07-29 CA CA002576513A patent/CA2576513A1/en not_active Abandoned
- 2005-07-29 WO PCT/US2005/027061 patent/WO2006020434A2/en active Search and Examination
- 2005-08-01 TW TW094126106A patent/TWI309514B/zh active
- 2005-08-01 TW TW097128903A patent/TW200919999A/zh unknown
- 2005-08-01 TW TW095104279A patent/TW200703971A/zh unknown
-
2007
- 2007-02-08 IL IL181225A patent/IL181225A0/en unknown
- 2007-03-09 NO NO20071291A patent/NO20071291L/no not_active Application Discontinuation
-
2009
- 2009-05-05 AU AU2009201802A patent/AU2009201802A1/en not_active Abandoned
-
2012
- 2012-07-09 US US13/544,450 patent/US8861632B2/en not_active Expired - Fee Related
-
2014
- 2014-10-10 US US14/511,905 patent/US20150030097A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2006020434A3 (en) | 2006-07-06 |
US8270512B2 (en) | 2012-09-18 |
AU2005274106B2 (en) | 2009-02-26 |
US20120275540A1 (en) | 2012-11-01 |
AU2005274106A1 (en) | 2006-02-23 |
TWI309514B (en) | 2009-05-01 |
JP2008510376A (ja) | 2008-04-03 |
TW200919999A (en) | 2009-05-01 |
NO20071291L (no) | 2007-05-07 |
US20150030097A1 (en) | 2015-01-29 |
TW200703971A (en) | 2007-01-16 |
IL181225A0 (en) | 2007-07-04 |
WO2006020434A2 (en) | 2006-02-23 |
EP1779681A2 (en) | 2007-05-02 |
BRPI0515014A (pt) | 2008-07-01 |
KR20070043880A (ko) | 2007-04-25 |
MX2007001707A (es) | 2007-04-12 |
AU2009201802A1 (en) | 2009-05-28 |
US20060034382A1 (en) | 2006-02-16 |
CA2576513A1 (en) | 2006-02-23 |
US8861632B2 (en) | 2014-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW200616367A (en) | Method and apparatus for subcarrier and antenna selection in MIMO-OFDM system | |
US9973365B2 (en) | Method and system for combining DFT-transformed OFDM and non-transformed OFDM | |
KR100830614B1 (ko) | 다중 안테나 송신 시스템 및 이를 이용한 신호 전송 방법 | |
CN102812763B (zh) | 用于上行链路发射分集的信令和信道估计 | |
CN105530217B (zh) | 基于加权分数傅里叶变换的gfdm系统的信号发射和接收方法 | |
US7729432B2 (en) | System and method for enhancing the performance of wireless communication systems | |
US8731077B2 (en) | Wireless communication system, control station apparatus and terminal apparatus | |
KR101567078B1 (ko) | 다중안테나를 이용한 데이터 전송장치 및 방법 | |
KR101440628B1 (ko) | Sc-fdma 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법 | |
JP2008510376A5 (zh) | ||
KR20080114452A (ko) | 다중 안테나 시스템에서 데이터 전송방법 및 코드북구성방법 | |
WO2008151534A1 (fr) | Système à multiples antennes et procédé de transmission de données | |
US8886138B2 (en) | Wireless communication system, wireless transmitter, and control program for wireless transmitter | |
JP2011514742A5 (zh) | ||
CN102014088A (zh) | 利用agc调整因子辅助信道均衡的方法 | |
CN101208878A (zh) | 发射分集方案 | |
PL1620959T3 (pl) | Sposób i nadajnik do transmisji danych w systemie wielonośnym za pomocą większej liczby anten nadawczych | |
KR20100111608A (ko) | 무선통신 시스템에서 전력정보 전송방법 | |
CN101453258B (zh) | Svd预编码方法、预解码方法及使用所述方法的系统 | |
CN105262525B (zh) | 多输入多输出正交频分复用系统子载波分簇预编码方法 | |
CA2469913A1 (en) | Method and apparatus for multi-carrier transmission | |
KR20100041908A (ko) | 채널 상태를 이용하여 수신 안테나 모드를 선택할 수 있는 수신기 및 이의 수신 안테나 선택 방법 | |
WO2007104203A1 (fr) | Procédé de transmission multi-antenne dans un système de multiplexage par répartition orthogonale de la fréquence et appareil associé | |
KR101108058B1 (ko) | 다수의 부 반송파를 이용하여 데이터를 송수신하는 방법 | |
Gidlund | A sub-optimal eigenvalue-based adaptive modulation scheme for broadband MIMO-OFDM systems |