JP2001044900A - 複数の送信アンテナを有し開ループおよび閉ループ送信ダイバーシチを結合する無線システム - Google Patents
複数の送信アンテナを有し開ループおよび閉ループ送信ダイバーシチを結合する無線システムInfo
- Publication number
- JP2001044900A JP2001044900A JP2000200188A JP2000200188A JP2001044900A JP 2001044900 A JP2001044900 A JP 2001044900A JP 2000200188 A JP2000200188 A JP 2000200188A JP 2000200188 A JP2000200188 A JP 2000200188A JP 2001044900 A JP2001044900 A JP 2001044900A
- Authority
- JP
- Japan
- Prior art keywords
- antennas
- diversity
- antenna
- receiver
- symbols
- 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.)
- Abandoned
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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
- H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
- H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
- H04B7/0673—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using feedback from receiving side
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US136413 | 1993-10-13 | ||
US13641399P | 1999-05-28 | 1999-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001044900A true JP2001044900A (ja) | 2001-02-16 |
Family
ID=22472751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000200188A Abandoned JP2001044900A (ja) | 1999-05-28 | 2000-05-29 | 複数の送信アンテナを有し開ループおよび閉ループ送信ダイバーシチを結合する無線システム |
Country Status (4)
Country | Link |
---|---|
US (2) | US6594473B1 (zh-TW) |
EP (1) | EP1073212B1 (zh-TW) |
JP (1) | JP2001044900A (zh-TW) |
DE (1) | DE60017836T2 (zh-TW) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004032370A1 (en) * | 2002-10-02 | 2004-04-15 | Lg Electronics Inc. | Space-time transmit diversity (sttd) for multiple antennas in radio communications |
WO2007034700A1 (ja) * | 2005-09-26 | 2007-03-29 | Sharp Kabushiki Kaisha | 無線通信システム、基地局装置、移動局装置、およびマクロダイバーシチ選択方法 |
JP2007509515A (ja) * | 2003-10-03 | 2007-04-12 | フランス・テレコム | ユニタリ時空符号による信号のマルチアンテナ送信方法、受信方法および対応する信号 |
JP2007124333A (ja) * | 2005-10-28 | 2007-05-17 | Nec Corp | 無線通信システム及び方法 |
JP2008506330A (ja) * | 2004-07-13 | 2008-02-28 | サムスン エレクトロニクス カンパニー リミテッド | 多重アンテナシステムにおけるビームフォーミング装置及び方法 |
US7366247B2 (en) | 2002-07-03 | 2008-04-29 | Samsung Electronics Co., Ltd. | Adaptive transmit antenna diversity apparatus and method in a mobile communication system |
WO2009025029A1 (ja) | 2007-08-21 | 2009-02-26 | Fujitsu Limited | 移動局および送信ダイバーシチ制御方法 |
WO2009031184A1 (ja) * | 2007-09-06 | 2009-03-12 | Fujitsu Limited | 適応マルチアンテナを用いる移動体通信システム |
JP2009534928A (ja) * | 2006-04-18 | 2009-09-24 | インターデイジタル テクノロジー コーポレーション | Mimo無線通信システムにおいてh−arqを実施するための方法および装置 |
US7613432B2 (en) | 2005-08-09 | 2009-11-03 | Ntt Docomo, Inc. | Method of controlling mobile communication system, control device, and mobile communication system |
JP2010502084A (ja) * | 2006-08-21 | 2010-01-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | マルチサイトおよびマルチビーム送信のための、空間−時間/空間−周波数符号化 |
JP2010530170A (ja) * | 2007-06-13 | 2010-09-02 | エルジー エレクトロニクス インコーポレイティド | 移動通信システムで拡散信号の送信 |
JP2011045055A (ja) * | 2004-12-21 | 2011-03-03 | Qualcomm Inc | 多数の送信信号経路を備えた無線デバイスのための送信電力低減 |
US8363743B2 (en) | 2007-06-21 | 2013-01-29 | Lg Electronics Inc. | Method for receiving control information in orthogonal frequency division multiplexing system of mobile communication system |
JP2013523008A (ja) * | 2010-03-16 | 2013-06-13 | 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) | オープンループマルチストリーム送信とクローズドループマルチストリーム送信との切換え |
US8509175B2 (en) | 2006-10-02 | 2013-08-13 | Lg Electronics Inc. | Method for transmitting downlink control signal |
WO2013157046A1 (ja) * | 2012-04-20 | 2013-10-24 | 富士通株式会社 | 無線局及び無線通信システム |
USRE44564E1 (en) | 2006-10-02 | 2013-10-29 | Lg Electronics Inc. | Method for transmitting control signal using efficient multiplexing |
US8615245B2 (en) | 2004-12-14 | 2013-12-24 | Ntt Docomo, Inc. | Radio network controller, base station, mobile station, mobile communication system and mobile communication method |
US8630242B2 (en) | 2007-03-19 | 2014-01-14 | Lg Electronics Inc. | Resource allocation method and a method for transmitting/receiving resource allocation information in mobile communication system |
US8774297B2 (en) | 2007-06-13 | 2014-07-08 | Lg Electronics Inc. | Transmitting spread signal in communication system |
US9078247B2 (en) | 2007-03-19 | 2015-07-07 | Lg Electronics Inc. | Method for receiving ACK/NACK signal in mobile communication system |
JP2015156654A (ja) * | 2004-08-12 | 2015-08-27 | インターデイジタル テクノロジー コーポレーション | 直交周波数分割多重無線通信システムにおける空間周波数ブロックコーディングを実行する方法および装置 |
Families Citing this family (103)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6775260B1 (en) * | 1999-02-25 | 2004-08-10 | Texas Instruments Incorporated | Space time transmit diversity for TDD/WCDMA systems |
US6721299B1 (en) * | 1999-03-15 | 2004-04-13 | Lg Information & Communications, Ltd. | Pilot signals for synchronization and/or channel estimation |
US6891815B1 (en) * | 1999-03-15 | 2005-05-10 | Young-Joon Song | Pilot signals for synchronization and/or channel estimation |
KR100294711B1 (ko) * | 1999-03-15 | 2001-07-12 | 서평원 | 최적의 파일럿 심볼을 이용한 프레임 동기 방법 |
US6791960B1 (en) | 1999-03-15 | 2004-09-14 | Lg Information And Communications, Ltd. | Pilot signals for synchronization and/or channel estimation |
US7643540B2 (en) * | 1999-03-15 | 2010-01-05 | Lg Electronics Inc. | Pilot signals for synchronization and/or channel estimation |
US7496132B2 (en) * | 1999-03-15 | 2009-02-24 | Kg Electronics Inc. | Pilot signals for synchronization and/or channel estimation |
US6594473B1 (en) * | 1999-05-28 | 2003-07-15 | Texas Instruments Incorporated | Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities |
KR100689398B1 (ko) * | 1999-10-09 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 폐루프 송신 안테나 다이버시티 장치 및 방법 |
US7200368B1 (en) * | 2000-03-15 | 2007-04-03 | Nokia Corporation | Transmit diversity method and system |
JP2001267991A (ja) * | 2000-03-16 | 2001-09-28 | Sony Corp | 送信装置、送信方法、通信システム及びその通信方法 |
KR100615887B1 (ko) * | 2000-04-07 | 2006-08-25 | 삼성전자주식회사 | 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법 |
KR100493150B1 (ko) * | 2000-04-10 | 2005-06-02 | 삼성전자주식회사 | 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법 |
FI20000851A (fi) * | 2000-04-10 | 2001-10-11 | Nokia Networks Oy | Tiedonsiirtomenetelmä ja radiojärjestelmä |
US7139324B1 (en) * | 2000-06-02 | 2006-11-21 | Nokia Networks Oy | Closed loop feedback system for improved down link performance |
US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
US7477696B2 (en) * | 2000-07-04 | 2009-01-13 | Thales | Space-time coding digital transmission systems and methods |
JP4176463B2 (ja) * | 2000-08-10 | 2008-11-05 | 富士通株式会社 | 送信ダイバーシチ通信装置 |
JP2002064414A (ja) * | 2000-08-14 | 2002-02-28 | Sony Corp | 通信システム及び通信方法、並びに通信端末 |
US6778612B1 (en) * | 2000-08-18 | 2004-08-17 | Lucent Technologies Inc. | Space-time processing for wireless systems with multiple transmit and receive antennas |
US6985434B2 (en) * | 2000-09-01 | 2006-01-10 | Nortel Networks Limited | Adaptive time diversity and spatial diversity for OFDM |
US8339935B2 (en) * | 2000-09-01 | 2012-12-25 | Apple Inc. | Adaptive time diversity and spatial diversity for OFDM |
EP1686703B1 (en) * | 2000-09-01 | 2011-04-27 | Nortel Networks Limited | Method and apparatus for adaptive time diversity and spatial diversity for OFDM |
US6842487B1 (en) * | 2000-09-22 | 2005-01-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Cyclic delay diversity for mitigating intersymbol interference in OFDM systems |
ES2266010T3 (es) * | 2000-11-17 | 2007-03-01 | Nokia Corporation | Metodo para controlar la ponderacion de señales de datos en transceptores de elementos multiples y dispositivos y red de telecomunicaciones correspondientes. |
US20020110108A1 (en) * | 2000-12-07 | 2002-08-15 | Younglok Kim | Simple block space time transmit diversity using multiple spreading codes |
US7050510B2 (en) * | 2000-12-29 | 2006-05-23 | Lucent Technologies Inc. | Open-loop diversity technique for systems employing four transmitter antennas |
GB2399998B (en) * | 2001-02-01 | 2005-04-13 | Fujitsu Ltd | Communications systems |
KR100464375B1 (ko) * | 2001-02-21 | 2005-01-13 | 삼성전자주식회사 | 역방향 동기 전송을 위한 부호분할다중접속 통신시스템의 기지국 송신 시간 조정 방법 |
CA2374699C (en) * | 2001-03-06 | 2009-02-03 | Research In Motion Limited | Method and apparatus for frequency tracking in a space time transmit diversity receiver |
US8290098B2 (en) * | 2001-03-30 | 2012-10-16 | Texas Instruments Incorporated | Closed loop multiple transmit, multiple receive antenna wireless communication 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 |
US7379508B1 (en) * | 2001-04-09 | 2008-05-27 | At&T Corp. | Frequency-domain method for joint equalization and decoding of space-time block codes |
US7092450B1 (en) * | 2001-04-09 | 2006-08-15 | At&T Corp. | Frequency-domain method for joint equalization and decoding of space-time block codes |
FI20010963A0 (fi) * | 2001-05-08 | 2001-05-08 | Nokia Corp | Adaptiivinen symbolikuvaus matkaviestinjärjestelmässä |
US8675772B2 (en) * | 2001-05-09 | 2014-03-18 | Alcatel Lucent | Method for multiple antenna transmission using partial channel knowledge |
US8249187B2 (en) | 2002-05-09 | 2012-08-21 | Google Inc. | System, method and apparatus for mobile transmit diversity using symmetric phase difference |
KR100627196B1 (ko) * | 2001-05-31 | 2006-09-25 | 매그놀리아 브로드밴드, 인크. | 품질-지시 신호를 이용하는 스마트 안테나를 구비한 통신장치 |
US7499499B2 (en) * | 2001-06-04 | 2009-03-03 | Alcatel-Lucent Usa Inc. | Method for multiple antenna transmission |
US7103382B2 (en) * | 2001-07-10 | 2006-09-05 | Kyocera Wireless Corp. | System and method for receiving and transmitting information in a multipath environment |
US6996380B2 (en) * | 2001-07-26 | 2006-02-07 | Ericsson Inc. | Communication system employing transmit macro-diversity |
US6980778B2 (en) * | 2001-07-30 | 2005-12-27 | Lucent Technologies Inc. | Split shift phase sweep transmit diversity |
US7035599B2 (en) * | 2001-07-30 | 2006-04-25 | Lucent Technologies Inc. | Biased phase sweep transmit diversity |
WO2003015334A1 (en) * | 2001-08-09 | 2003-02-20 | Nokia Corporation | Diversity transmitter and diversity transmission method |
EP1284545B1 (en) * | 2001-08-13 | 2008-07-02 | Motorola, Inc. | Transmit diversity wireless communication |
WO2003023996A1 (en) * | 2001-09-12 | 2003-03-20 | Infineon Technologies Ag | Cdma wireless systems |
US7227905B2 (en) * | 2001-09-18 | 2007-06-05 | Lucent Technologies Inc. | Open-loop diversity technique for systems employing multi-transmitter antennas |
JP3932906B2 (ja) * | 2002-01-23 | 2007-06-20 | 日本電気株式会社 | 基地局装置及びそれを用いた移動通信システム |
GB2384660B (en) * | 2002-01-25 | 2004-11-17 | Toshiba Res Europ Ltd | Reciever processing systems |
CN1269330C (zh) | 2002-03-22 | 2006-08-09 | 华为技术有限公司 | 一种自适应加权空时发射分集方法及其系统 |
KR100886534B1 (ko) * | 2002-03-27 | 2009-03-02 | 삼성전자주식회사 | 코드 분할 다중 접속 통신 시스템에서 시공간 송신 다이버시티 방식을 이용한 채널 신호 수신 장치 및 방법 |
SG107589A1 (en) * | 2002-05-03 | 2004-12-29 | Sony Electronics Singapore Pte | Receiver method and apparatus for space-time coded cdma signals |
FI20020880A0 (fi) * | 2002-05-08 | 2002-05-08 | Nokia Corp | Tiedonsiirtomenetelmä - ja järjestelmä |
US20040008648A1 (en) * | 2002-07-11 | 2004-01-15 | Schmidl Timothy M. | Diversity decisions for downlink antenna transmission |
KR100550769B1 (ko) * | 2002-08-19 | 2006-02-08 | 엘지전자 주식회사 | 다중 입출력 통신 시스템에서의 신호 처리 방법 |
US8194770B2 (en) | 2002-08-27 | 2012-06-05 | Qualcomm Incorporated | Coded MIMO systems with selective channel inversion applied per eigenmode |
US6987952B2 (en) * | 2002-09-30 | 2006-01-17 | Nokia Corporation | Apparatus, and associated method, for effectuating transmit diversity in a communication system |
US7412212B2 (en) * | 2002-10-07 | 2008-08-12 | Nokia Corporation | Communication system |
US8170513B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Data detection and demodulation for wireless communication systems |
US8570988B2 (en) | 2002-10-25 | 2013-10-29 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US8218609B2 (en) | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
US7324429B2 (en) | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
CA2449751A1 (en) * | 2002-11-29 | 2004-05-29 | Creative Signal Solutions Inc. | A method, apparatus and system for multiple signal transmission, reception, and restoration |
US7155177B2 (en) * | 2003-02-10 | 2006-12-26 | Qualcomm Incorporated | Weight prediction for closed-loop mode transmit diversity |
KR100575930B1 (ko) * | 2003-05-16 | 2006-05-02 | 삼성전자주식회사 | 송신다이버시티를 사용하는 이동통신 시스템에 있어송신다이버시티의 방식 전환 장치 및 방법 |
US20050042988A1 (en) * | 2003-08-18 | 2005-02-24 | Alcatel | Combined open and closed loop transmission diversity system |
US20050048933A1 (en) * | 2003-08-25 | 2005-03-03 | Jingxian Wu | Adaptive transmit diversity with quadrant phase constraining feedback |
US20050047517A1 (en) * | 2003-09-03 | 2005-03-03 | Georgios Giannakis B. | Adaptive modulation for multi-antenna transmissions with partial channel knowledge |
US8705659B2 (en) * | 2003-11-06 | 2014-04-22 | Apple Inc. | Communication channel optimization systems and methods in multi-user communication systems |
US7746800B2 (en) * | 2003-11-21 | 2010-06-29 | Nokia Corporation | Flexible rate split method for MIMO transmission |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
US6995693B1 (en) * | 2003-12-04 | 2006-02-07 | Rockwell Collins, Inc. | Method and apparatus for multiple input diversity decoding |
KR100587417B1 (ko) * | 2003-12-22 | 2006-06-08 | 한국전자통신연구원 | 주파수 분할 다중화를 사용하는 무선통신 시스템에서의적응 송수신 장치 및 그 방법 |
JP2007518346A (ja) | 2004-01-20 | 2007-07-05 | エルジー エレクトロニクス インコーポレイティド | Mimoシステムにおける信号送受信方法 |
CN103297204B (zh) * | 2004-04-02 | 2017-03-01 | 苹果公司 | 用于正交频分复用应用的空间时间发射分集系统及方法 |
JP4433867B2 (ja) * | 2004-04-28 | 2010-03-17 | ソニー株式会社 | 無線通信システム |
US8089855B2 (en) * | 2004-06-04 | 2012-01-03 | Qualcomm Incorporated | Transmission of overhead information for broadcast and multicast services in a wireless communication system |
US7564915B2 (en) * | 2004-06-16 | 2009-07-21 | Samsung Electronics Co., Ltd. | Apparatus and method for coding/decoding pseudo orthogonal space-time block code in a mobile communication system using multiple input multiple output scheme |
US20060008021A1 (en) * | 2004-06-30 | 2006-01-12 | Nokia Corporation | Reduction of self-interference for a high symbol rate non-orthogonal matrix modulation |
KR100913873B1 (ko) * | 2004-09-13 | 2009-08-26 | 삼성전자주식회사 | 고속 전송률을 가지는 차등 시공간 블록 부호 장치 및 방법 |
US7593493B2 (en) * | 2004-10-06 | 2009-09-22 | Broadcom Corporation | Method and system for pre-equalization in a single weight (SW) single channel (SC) multiple-input multiple-output (MIMO) system |
KR100677542B1 (ko) | 2004-12-24 | 2007-02-02 | 삼성전자주식회사 | 다중입출력 시스템을 단일 직렬 인터페이스를 통해제어하는 방법 및 그 장치 |
US9147943B2 (en) * | 2004-12-30 | 2015-09-29 | Telefonaktiebolaget L M Ericsson (Publ) | Antenna device for a radio base station in a cellular telephony system |
CN1841962A (zh) * | 2005-03-30 | 2006-10-04 | 松下电器产业株式会社 | 发送系统和方法及接收系统和方法 |
US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
US8358714B2 (en) | 2005-06-16 | 2013-01-22 | Qualcomm Incorporated | Coding and modulation for multiple data streams in a communication system |
CN100576838C (zh) * | 2005-06-29 | 2009-12-30 | 美国博通公司 | 使用复数信号交换的块编码模块和块编码方法 |
US7593475B2 (en) * | 2005-06-29 | 2009-09-22 | Broadcom Corporation | Space-time and/or space-frequency block coding using complex signal swapping |
JP2007087032A (ja) * | 2005-09-21 | 2007-04-05 | Toshiba Tec Corp | 無線タグ読取り装置 |
KR20080066988A (ko) * | 2005-11-09 | 2008-07-17 | 노키아 코포레이션 | 직접 메모리 액세스 콘트롤러에 의한 데이터 직렬화를제공하는 장치, 방법 및 컴퓨터 프로그램 생성물 |
KR100902896B1 (ko) | 2006-08-18 | 2009-06-15 | 엘지전자 주식회사 | 피드백 정보의 오류에 대비한 신호 송수신 방법 |
KR101468490B1 (ko) | 2007-05-02 | 2014-12-10 | 삼성전자주식회사 | 무선 통신 시스템에서 제어 채널들의 집합을 한정하여 송수신하는 방법 및 장치 |
US8503360B2 (en) * | 2009-06-26 | 2013-08-06 | Qualcomm Incorporated | Method and apparatus for facilitating multi-user joint transmit-receive beamforming |
US10211893B2 (en) * | 2015-04-17 | 2019-02-19 | Qualcomm Incorporated | Efficient channel estimation using Golay sequences |
US10673500B2 (en) * | 2018-06-25 | 2020-06-02 | Qualcomm Incorporated | Hybrid closed-loop multiple-input multiple-output and transparent diversity schemes |
RU2765782C1 (ru) * | 2021-07-09 | 2022-02-02 | Федеральное государственное автономное образовательное учреждение высшего образования «Санкт-Петербургский государственный университет аэрокосмического приборостроения» | Способ разнесенной передачи |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4564952A (en) * | 1983-12-08 | 1986-01-14 | At&T Bell Laboratories | Compensation of filter symbol interference by adaptive estimation of received symbol sequences |
US5259003A (en) * | 1991-11-08 | 1993-11-02 | Teknekron Communications Systems, Inc. | Method of encoding two digital data signals |
US5953659A (en) * | 1997-05-05 | 1999-09-14 | Motorola, Inc. | Method and apparatus for producing delay of a carrier signal for implementing spatial diversity in a communications system |
US6185258B1 (en) * | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
US6178196B1 (en) * | 1997-10-06 | 2001-01-23 | At&T Corp. | Combined interference cancellation and maximum likelihood decoding of space-time block codes |
US6144696A (en) * | 1997-12-31 | 2000-11-07 | At&T Corp. | Spread spectrum bit allocation algorithm |
FR2773661B1 (fr) * | 1998-01-12 | 2000-02-25 | Alsthom Cge Alcatel | Procede d'emission d'un signal de controle par une station de base d'un systeme de radiocommunication numerique cellulaire et station de base correspondante |
US6389085B1 (en) * | 1998-01-14 | 2002-05-14 | Wavecom Electronics Inc. | Receiver combiner for spatial diversity digital communications |
US6122529A (en) * | 1998-03-17 | 2000-09-19 | Transcept, Inc. | Simulcast with hierarchical cell structure overlay |
US6643338B1 (en) * | 1998-10-07 | 2003-11-04 | Texas Instruments Incorporated | Space time block coded transmit antenna diversity for WCDMA |
US6154485A (en) * | 1998-10-19 | 2000-11-28 | Motorola, Inc. | Receiver in a wireless communications system for receiving signals having combined orthogonal transmit diversity and adaptive array techniques |
US6625197B1 (en) * | 1998-10-27 | 2003-09-23 | Qualcomm Incorporated | Method and apparatus for multipath demodulation in a code division multiple access communication system |
US6424642B1 (en) * | 1998-12-31 | 2002-07-23 | Texas Instruments Incorporated | Estimation of doppler frequency through autocorrelation of pilot symbols |
US6317411B1 (en) * | 1999-02-22 | 2001-11-13 | Motorola, Inc. | Method and system for transmitting and receiving signals transmitted from an antenna array with transmit diversity techniques |
US6351759B1 (en) * | 1999-02-26 | 2002-02-26 | Trw Inc. | Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof |
US6327603B1 (en) * | 1999-02-26 | 2001-12-04 | Trw Inc. | Digital channelizer having efficient architecture for presum discrete fourier transformation selectively of real or complex data and method of operation |
US6804311B1 (en) * | 1999-04-08 | 2004-10-12 | Texas Instruments Incorporated | Diversity detection for WCDMA |
US6356528B1 (en) * | 1999-04-15 | 2002-03-12 | Qualcomm Incorporated | Interleaver and deinterleaver for use in a diversity transmission communication system |
US6594473B1 (en) * | 1999-05-28 | 2003-07-15 | Texas Instruments Incorporated | Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities |
US6327299B1 (en) * | 1999-08-31 | 2001-12-04 | Motorola, Inc. | Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system |
US6856610B2 (en) * | 2000-02-28 | 2005-02-15 | Texas Instruments Incorporated | Wireless code division multiple access communications system with channel estimation using fingers with sub-chip spacing |
-
2000
- 2000-05-24 US US09/578,004 patent/US6594473B1/en not_active Ceased
- 2000-05-26 EP EP00304512A patent/EP1073212B1/en not_active Expired - Lifetime
- 2000-05-26 DE DE60017836T patent/DE60017836T2/de not_active Expired - Lifetime
- 2000-05-29 JP JP2000200188A patent/JP2001044900A/ja not_active Abandoned
-
2005
- 2005-05-05 US US11/124,595 patent/USRE42681E1/en not_active Expired - Lifetime
Cited By (57)
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---|---|---|---|---|
US7366247B2 (en) | 2002-07-03 | 2008-04-29 | Samsung Electronics Co., Ltd. | Adaptive transmit antenna diversity apparatus and method in a mobile communication system |
WO2004032370A1 (en) * | 2002-10-02 | 2004-04-15 | Lg Electronics Inc. | Space-time transmit diversity (sttd) for multiple antennas in radio communications |
US7266157B2 (en) | 2002-10-02 | 2007-09-04 | Lg Electronics Inc. | Space-time transmit diversity (STTD) for multiple antennas in radio communications |
JP2007509515A (ja) * | 2003-10-03 | 2007-04-12 | フランス・テレコム | ユニタリ時空符号による信号のマルチアンテナ送信方法、受信方法および対応する信号 |
JP4652333B2 (ja) * | 2003-10-03 | 2011-03-16 | フランス・テレコム | ユニタリ時空符号による信号のマルチアンテナ送信方法、受信方法および対応する信号 |
US7675988B2 (en) | 2004-07-13 | 2010-03-09 | Samsung Electronics Co., Ltd | Apparatus and method for beamforming in a multi-antenna system |
JP2008506330A (ja) * | 2004-07-13 | 2008-02-28 | サムスン エレクトロニクス カンパニー リミテッド | 多重アンテナシステムにおけるビームフォーミング装置及び方法 |
US10630427B2 (en) | 2004-08-12 | 2020-04-21 | Interdigital Technology Corporation | Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system |
JP2015156654A (ja) * | 2004-08-12 | 2015-08-27 | インターデイジタル テクノロジー コーポレーション | 直交周波数分割多重無線通信システムにおける空間周波数ブロックコーディングを実行する方法および装置 |
US9887808B2 (en) | 2004-08-12 | 2018-02-06 | Interdigital Technology Corporation | Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system |
JP2016195464A (ja) * | 2004-08-12 | 2016-11-17 | インターデイジタル テクノロジー コーポレーション | 直交周波数分割多重無線通信システムにおける空間周波数ブロックコーディングを実行する方法および装置 |
US8615245B2 (en) | 2004-12-14 | 2013-12-24 | Ntt Docomo, Inc. | Radio network controller, base station, mobile station, mobile communication system and mobile communication method |
JP2011045055A (ja) * | 2004-12-21 | 2011-03-03 | Qualcomm Inc | 多数の送信信号経路を備えた無線デバイスのための送信電力低減 |
US7613432B2 (en) | 2005-08-09 | 2009-11-03 | Ntt Docomo, Inc. | Method of controlling mobile communication system, control device, and mobile communication system |
US8219042B2 (en) | 2005-09-26 | 2012-07-10 | Sharp Kabushiki Kaisha | Wireless communication system, base station device, mobile station device, and macrodiversity selection method |
WO2007034700A1 (ja) * | 2005-09-26 | 2007-03-29 | Sharp Kabushiki Kaisha | 無線通信システム、基地局装置、移動局装置、およびマクロダイバーシチ選択方法 |
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JP2010502084A (ja) * | 2006-08-21 | 2010-01-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | マルチサイトおよびマルチビーム送信のための、空間−時間/空間−周波数符号化 |
US9451613B2 (en) | 2006-10-02 | 2016-09-20 | Lg Electronics Inc. | Method for transmitting control signal using efficient multiplexing |
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Also Published As
Publication number | Publication date |
---|---|
USRE42681E1 (en) | 2011-09-06 |
DE60017836T2 (de) | 2006-05-11 |
EP1073212A3 (en) | 2003-10-22 |
EP1073212B1 (en) | 2005-02-02 |
US6594473B1 (en) | 2003-07-15 |
EP1073212A2 (en) | 2001-01-31 |
DE60017836D1 (de) | 2005-03-10 |
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