KR101123596B1 - 다중 송신 모드를 갖는 다중-입력 다중-출력 (ｍｉｍｏ）시스템 - Google Patents

다중 송신 모드를 갖는 다중-입력 다중-출력 (ｍｉｍｏ）시스템 Download PDF

Info

Publication number
KR101123596B1
KR101123596B1 KR1020107001154A KR20107001154A KR101123596B1 KR 101123596 B1 KR101123596 B1 KR 101123596B1 KR 1020107001154 A KR1020107001154 A KR 1020107001154A KR 20107001154 A KR20107001154 A KR 20107001154A KR 101123596 B1 KR101123596 B1 KR 101123596B1
Authority
KR
South Korea
Prior art keywords
transmission scheme
transmission
snr
power allocation
scheme
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
Application number
KR1020107001154A
Other languages
English (en)
Korean (ko)
Other versions
KR20100012104A (ko
Inventor
이리나 멧베데브
제이 알 왈튼
마크 월러스
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20100012104A publication Critical patent/KR20100012104A/ko
Application granted granted Critical
Publication of KR101123596B1 publication Critical patent/KR101123596B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit 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
    • H04L1/0001—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
    • 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
    • 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—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits 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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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
    • 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
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • 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
    • H04B7/0426—Power distribution
    • H04B7/0434—Power distribution using multiple eigenmodes
    • H04B7/0439—Power distribution using multiple eigenmodes utilizing channel inversion
    • 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
    • H04B7/0426—Power distribution
    • H04B7/0434—Power distribution using multiple eigenmodes
    • H04B7/0443—Power distribution using multiple eigenmodes utilizing "waterfilling" technique
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
KR1020107001154A 2002-02-26 2003-02-19 다중 송신 모드를 갖는 다중-입력 다중-출력 (ｍｉｍｏ）시스템 Expired - Lifetime KR101123596B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/085,456 US6862271B2 (en) 2002-02-26 2002-02-26 Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
US10/085,456 2002-02-26
PCT/US2003/005365 WO2003073646A1 (en) 2002-02-26 2003-02-19 Multiple-input, multiple-output (mimo) systems with multiple transmission modes

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020047013391A Division KR100957738B1 (ko) 2002-02-26 2003-02-19 다중 송신 모드를 갖는 다중-입력 다중-출력(ｍｉｍｏ）시스템

Publications (2)

Publication Number Publication Date
KR20100012104A KR20100012104A (ko) 2010-02-05
KR101123596B1 true KR101123596B1 (ko) 2012-03-20

Family

ID=27753632

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020107001154A Expired - Lifetime KR101123596B1 (ko) 2002-02-26 2003-02-19 다중 송신 모드를 갖는 다중-입력 다중-출력 (ｍｉｍｏ）시스템
KR1020047013391A Expired - Lifetime KR100957738B1 (ko) 2002-02-26 2003-02-19 다중 송신 모드를 갖는 다중-입력 다중-출력(ｍｉｍｏ）시스템

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020047013391A Expired - Lifetime KR100957738B1 (ko) 2002-02-26 2003-02-19 다중 송신 모드를 갖는 다중-입력 다중-출력(ｍｉｍｏ）시스템

Country Status (13)

Country Link
US (3) US6862271B2 (https=)
EP (1) EP1479177B1 (https=)
JP (4) JP4485803B2 (https=)
KR (2) KR101123596B1 (https=)
CN (1) CN100438370C (https=)
AT (1) ATE405040T1 (https=)
AU (1) AU2003213214C1 (https=)
BR (1) BR0307948A (https=)
CA (1) CA2477536C (https=)
DE (1) DE60322840D1 (https=)
MX (1) MXPA04008245A (https=)
TW (1) TWI312243B (https=)
WO (1) WO2003073646A1 (https=)

Families Citing this family (289)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US7342875B2 (en) * 2000-11-06 2008-03-11 The Directv Group, Inc. Space-time coded OFDM system for MMDS applications
US8670390B2 (en) * 2000-11-22 2014-03-11 Genghiscomm Holdings, LLC Cooperative beam-forming in wireless networks
US6968219B2 (en) * 2001-08-15 2005-11-22 Qualcomm, Incorporated Method for reducing power consumption in bluetooth and CDMA modes of operation
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
US6785520B2 (en) * 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
US6687492B1 (en) * 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
EP1769585A4 (en) * 2002-03-01 2009-12-02 Ipr Licensing Inc COMBINED SYSTEM AND METHOD FOR COMPOSITE COMPATIBILITY USING TIME-RATE SIGNAL PROCESSING
US6871049B2 (en) * 2002-03-21 2005-03-22 Cognio, Inc. Improving the efficiency of power amplifiers in devices using transmit beamforming
US7103325B1 (en) * 2002-04-05 2006-09-05 Nortel Networks Limited Adaptive modulation and coding
US6801580B2 (en) * 2002-04-09 2004-10-05 Qualcomm, Incorporated Ordered successive interference cancellation receiver processing for multipath channels
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US7421039B2 (en) * 2002-06-04 2008-09-02 Lucent Technologies Inc. Method and system employing antenna arrays
KR100548312B1 (ko) * 2002-06-20 2006-02-02 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 신호 처리 방법
WO2004004173A1 (en) * 2002-06-27 2004-01-08 Koninklijke Philips Electronics N.V. Measurement of channel characteristics in a communication system
US6928104B2 (en) * 2002-07-18 2005-08-09 Interdigital Technology Corporation Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
DK1540830T3 (da) * 2002-07-30 2009-05-04 Ipr Licensing Inc System og metode til flerheds input (MIMO) radio kommunikation
US7385915B2 (en) * 2002-07-31 2008-06-10 Nokia Corporation Apparatus, and associated method, for facilitating communication allocation in a radio communication system
US6940917B2 (en) 2002-08-27 2005-09-06 Qualcomm, Incorporated Beam-steering and beam-forming for wideband MIMO/MISO systems
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
KR100831987B1 (ko) * 2002-08-30 2008-05-23 삼성전자주식회사 다중 사용자를 위한 다중 안테나를 이용한 송수신 장치
US7260153B2 (en) * 2002-09-09 2007-08-21 Mimopro Ltd. Multi input multi output wireless communication method and apparatus providing extended range and extended rate across imperfectly estimated channels
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
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
US8570988B2 (en) * 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
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
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
WO2004049596A1 (ja) * 2002-11-26 2004-06-10 Matsushita Electric Industrial Co., Ltd. 通信方法及び送信装置、受信装置
JP4337375B2 (ja) * 2003-03-14 2009-09-30 株式会社デンソー 情報配信サーバ、受信端末、情報配信システム、予約端末、および予約サーバ
US7242727B2 (en) * 2003-03-31 2007-07-10 Lucent Technologies Inc. Method of determining transmit power for transmit eigenbeams in a multiple-input multiple-output communications system
US7099678B2 (en) * 2003-04-10 2006-08-29 Ipr Licensing, Inc. System and method for transmit weight computation for vector beamforming radio communication
US7079870B2 (en) * 2003-06-09 2006-07-18 Ipr Licensing, Inc. Compensation techniques for group delay effects in transmit beamforming radio communication
US7440510B2 (en) * 2003-09-15 2008-10-21 Intel Corporation Multicarrier transmitter, multicarrier receiver, and methods for communicating multiple spatial signal streams
US7315577B2 (en) * 2003-09-15 2008-01-01 Intel Corporation Multiple antenna systems and method using high-throughput space-frequency block codes
US7403508B1 (en) * 2003-09-22 2008-07-22 Miao George J Multiband MIMO-based W-CDMA and UWB communications
US7385914B2 (en) * 2003-10-08 2008-06-10 Atheros Communications, Inc. Apparatus and method of multiple antenna transmitter beamforming of high data rate wideband packetized wireless communication signals
KR100580840B1 (ko) * 2003-10-09 2006-05-16 한국전자통신연구원 다중 입력 다중 출력 시스템의 데이터 통신 방법
US7120395B2 (en) 2003-10-20 2006-10-10 Nortel Networks Limited MIMO communications
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7616698B2 (en) 2003-11-04 2009-11-10 Atheros Communications, Inc. Multiple-input multiple output system and method
KR100975720B1 (ko) * 2003-11-13 2010-08-12 삼성전자주식회사 다중 송수신 안테나를 구비하는 직교주파수분할다중화 시스템에서 공간 분할 다중화를 고려하여 채널 할당을 수행하는 방법 및 시스템
KR100981554B1 (ko) * 2003-11-13 2010-09-10 한국과학기술원 다중 송수신 안테나들을 구비하는 이동통신시스템에서,송신 안테나들을 그룹핑하여 신호를 전송하는 방법
US20050113045A1 (en) * 2003-11-21 2005-05-26 John Santhoff Bridged ultra-wideband communication method and apparatus
US8385985B2 (en) * 2003-11-25 2013-02-26 Qualcomm Incorporated Method for reducing power consumption in a multi-mode device
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
US8204149B2 (en) 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
KR100580843B1 (ko) * 2003-12-22 2006-05-16 한국전자통신연구원 Ｖ―ｂｌａｓｔ에서 채널전달함수행렬 처리장치 및 그의처리방법
US7133646B1 (en) * 2003-12-29 2006-11-07 Miao George J Multimode and multiband MIMO transceiver of W-CDMA, WLAN and UWB communications
US8249518B2 (en) * 2003-12-29 2012-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Network controlled feedback for MIMO systems
US7324605B2 (en) * 2004-01-12 2008-01-29 Intel Corporation High-throughput multicarrier communication systems and methods for exchanging channel state information
US7336746B2 (en) * 2004-12-09 2008-02-26 Qualcomm Incorporated Data transmission with spatial spreading in a MIMO communication system
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US20070183414A1 (en) * 2004-02-13 2007-08-09 Matsushita Electric Industrial Co., Ltd. Communication device and communication method
US8169889B2 (en) 2004-02-18 2012-05-01 Qualcomm Incorporated Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
US20050180312A1 (en) * 2004-02-18 2005-08-18 Walton J. R. Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
GB2411328B (en) * 2004-02-23 2007-05-16 Toshiba Res Europ Ltd Adaptive MIMO systems
WO2005086903A2 (en) * 2004-03-08 2005-09-22 Sharp Laboratories Of America, Inc. System and method for adaptive bit loading source coding via vector quantization
EP3562058B1 (en) 2004-03-15 2022-04-27 Apple Inc. Pilot design for ofdm systems with four transmit antennas
US7633994B2 (en) * 2004-07-30 2009-12-15 Rearden, LLC. System and method for distributed input-distributed output wireless communications
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US8160121B2 (en) * 2007-08-20 2012-04-17 Rearden, Llc System and method for distributed input-distributed output wireless communications
US10886979B2 (en) * 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US8654815B1 (en) 2004-04-02 2014-02-18 Rearden, Llc System and method for distributed antenna wireless communications
US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US10200094B2 (en) * 2004-04-02 2019-02-05 Rearden, Llc Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems
US9826537B2 (en) * 2004-04-02 2017-11-21 Rearden, Llc System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters
US10187133B2 (en) * 2004-04-02 2019-01-22 Rearden, Llc System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network
US7636381B2 (en) * 2004-07-30 2009-12-22 Rearden, Llc System and method for distributed input-distributed output wireless communications
US9819403B2 (en) * 2004-04-02 2017-11-14 Rearden, Llc System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client
US10277290B2 (en) 2004-04-02 2019-04-30 Rearden, Llc Systems and methods to exploit areas of coherence in wireless systems
US7418053B2 (en) 2004-07-30 2008-08-26 Rearden, Llc System and method for distributed input-distributed output wireless communications
US8571086B2 (en) * 2004-04-02 2013-10-29 Rearden, Llc System and method for DIDO precoding interpolation in multicarrier systems
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US10749582B2 (en) 2004-04-02 2020-08-18 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US7885354B2 (en) * 2004-04-02 2011-02-08 Rearden, Llc System and method for enhancing near vertical incidence skywave (“NVIS”) communication using space-time coding
US7599420B2 (en) * 2004-07-30 2009-10-06 Rearden, Llc System and method for distributed input distributed output wireless communications
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US8170081B2 (en) 2004-04-02 2012-05-01 Rearden, LLC. System and method for adjusting DIDO interference cancellation based on signal strength measurements
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US9312929B2 (en) 2004-04-02 2016-04-12 Rearden, Llc System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)
US7711030B2 (en) * 2004-07-30 2010-05-04 Rearden, Llc System and method for spatial-multiplexed tropospheric scatter communications
US20050238111A1 (en) * 2004-04-09 2005-10-27 Wallace Mark S Spatial processing with steering matrices for pseudo-random transmit steering in a multi-antenna communication system
US7333455B1 (en) * 2004-04-27 2008-02-19 Piping Hot Networks Ltd Multiple input multiple output (MIMO) wireless communications system
JP4433867B2 (ja) * 2004-04-28 2010-03-17 ソニー株式会社 無線通信システム
US8923785B2 (en) * 2004-05-07 2014-12-30 Qualcomm Incorporated Continuous beamforming for a MIMO-OFDM system
US8285226B2 (en) * 2004-05-07 2012-10-09 Qualcomm Incorporated Steering diversity for an OFDM-based multi-antenna communication system
JP2005348116A (ja) * 2004-06-03 2005-12-15 Sharp Corp 無線通信装置
EP3313001A1 (en) 2004-06-22 2018-04-25 Apple Inc. Closed loop mimo systems and methods
WO2006002310A2 (en) * 2004-06-22 2006-01-05 Conexant Systems, Inc. Legacy compatible spatial multiplexing systems and methods
US8077592B2 (en) * 2004-06-22 2011-12-13 Intellectual Ventures I Llc Packet processing systems and methods
EP3537681B1 (en) 2004-06-24 2020-10-07 Apple Inc. Preambles in ofdma system
WO2006000094A1 (en) 2004-06-24 2006-01-05 Nortel Networks Limited Efficient location updates, paging and short bursts
US7110463B2 (en) * 2004-06-30 2006-09-19 Qualcomm, Incorporated Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system
WO2006002550A1 (en) 2004-07-07 2006-01-12 Nortel Networks Limited System and method for mapping symbols for mimo transmission
US7978649B2 (en) 2004-07-15 2011-07-12 Qualcomm, Incorporated Unified MIMO transmission and reception
US7263335B2 (en) 2004-07-19 2007-08-28 Purewave Networks, Inc. Multi-connection, non-simultaneous frequency diversity in radio communication systems
US7460839B2 (en) 2004-07-19 2008-12-02 Purewave Networks, Inc. Non-simultaneous frequency diversity in radio communication systems
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
KR100640514B1 (ko) * 2004-07-27 2006-10-30 삼성전자주식회사 다중 안테나를 사용하는 무선 통신 시스템에서 데이터스트림 전송 장치 및 방법
US8139544B1 (en) 2004-07-30 2012-03-20 Intellectual Ventures I Llc Pilot tone processing systems and methods
KR20070046832A (ko) * 2004-07-30 2007-05-03 마쓰시다 일렉트릭 인더스트리얼 컴패니 리미티드 무선 통신 장치 및 무선 통신 방법
US9685997B2 (en) 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
US11431386B1 (en) * 2004-08-02 2022-08-30 Genghiscomm Holdings, LLC Transmit pre-coding
ES2395941T3 (es) 2004-08-11 2013-02-18 Interdigital Technology Corporation Sondeo de canal para prestaciones de sistema mejoradas
US7505529B2 (en) * 2004-08-12 2009-03-17 Interdigital Technology Corporation Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system
US7440777B2 (en) * 2004-08-13 2008-10-21 Broadcom Corporation Multi-transceiver system with MIMO and beam-forming capability
US7978778B2 (en) 2004-09-03 2011-07-12 Qualcomm, Incorporated Receiver structures for spatial spreading with space-time or space-frequency transmit diversity
JP3754441B1 (ja) 2004-09-10 2006-03-15 三洋電機株式会社 受信方法ならびに装置およびそれを利用した通信システム
US8423070B2 (en) * 2004-09-17 2013-04-16 Volkmar Scharf-Katz Method and system to model TCP throughput, assess power control measures, and compensate for fading and path loss, for highly mobile broadband systems
US7609780B2 (en) * 2004-09-30 2009-10-27 Intel Corporation Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO)
JP4763703B2 (ja) * 2004-10-01 2011-08-31 エージェンシー フォー サイエンス， テクノロジー アンド リサーチ 信号ベクトルの決定方法及びシステム、並びにコンピュータプログラム要素
EP2427011B1 (en) 2004-10-15 2014-08-27 Apple Inc. Communication Resource Allocation Methods
WO2006054249A1 (en) 2004-11-17 2006-05-26 Koninklijke Philips Electronics, N.V. Robust wireless multimedia transmission in multiple in multiple out (mimo) system assisted by channel state information
US7787573B2 (en) * 2004-11-19 2010-08-31 Broadcom Corporation Wireless system having channel fading compensation using minimum mean square error
WO2006055784A2 (en) * 2004-11-19 2006-05-26 The Trustees Of The Stevens Institute Of Technology Multi-access terminal wiht capability for simultaneous connectivity to multiple communication channels
US7778366B2 (en) * 2004-11-19 2010-08-17 Broadcom Corporation Wireless system having channel fading compensation using zero-forcing
US20060116123A1 (en) * 2004-11-29 2006-06-01 Nokia Corporation Method and apparatus to optimize paging in a flexible multi-carrier system
US7830980B2 (en) * 2004-12-07 2010-11-09 Intel Corporation System and method capable of implicit feedback for the devices with an unequal number of transmitter and receiver chains in a wireless local area network
US20060142051A1 (en) * 2004-12-28 2006-06-29 Nokia Corporation Method and apparatus to optimize the utilization of the carriers in a flexible multi-carrier system
GB2437196B (en) * 2005-01-14 2009-06-03 Piping Hot Networks Ltd Dual payload and adaptive modulation
KR100679028B1 (ko) 2005-01-31 2007-02-05 삼성전자주식회사 다중 입력 다중 출력 통신 장치 및 다중 입력 다중 출력통신 장치의 채널 스캐닝 방법
KR101088089B1 (ko) * 2005-02-28 2011-11-29 삼성전자주식회사 광대역 무선통신시스템에서 스마트 안테나 빔 형성 장치 및방법
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US20060203794A1 (en) * 2005-03-10 2006-09-14 Qualcomm Incorporated Systems and methods for beamforming in multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US7688979B2 (en) * 2005-03-21 2010-03-30 Interdigital Technology Corporation MIMO air interface utilizing dirty paper coding
US20060221928A1 (en) * 2005-03-31 2006-10-05 Jacob Sharony Wireless device and method for wireless multiple access
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US20060233265A1 (en) * 2005-04-15 2006-10-19 Nokia Corporation Joint feed-forward and feedback design for wireless communication systems
US7436901B2 (en) 2005-04-19 2008-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Selection of channel coding and multidimensional interleaving schemes for improved performance
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US8358714B2 (en) * 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
US8064837B2 (en) * 2005-06-16 2011-11-22 Qualcomm Incorporated Method and apparatus for optimum selection of MIMO and interference cancellation
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
JP2007013489A (ja) * 2005-06-29 2007-01-18 Kyocera Corp 通信システム、通信装置、送信電力制御方法、及びプログラム
CN1893308A (zh) * 2005-07-06 2007-01-10 都科摩（北京）通信技术研究中心有限公司 Mimo通信系统以及用户调度方法
JP4671790B2 (ja) * 2005-07-07 2011-04-20 パナソニック株式会社 通信装置、基地局装置及び通信方法
KR100726340B1 (ko) * 2005-08-08 2007-06-11 인하대학교 산학협력단 다중입력 다중출력 시스템의 안테나 선택장치 및 방법
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
JP4708910B2 (ja) * 2005-08-09 2011-06-22 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムの制御方法、制御装置、移動通信システム
CN1917395B (zh) * 2005-08-18 2011-05-25 中兴通讯股份有限公司 一种阵列天线选择的方法
US20070041457A1 (en) * 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
KR101276797B1 (ko) * 2005-08-24 2013-06-20 한국전자통신연구원 이동 통신 시스템에서의 송신 다이버시티 방법 및 기지국송신기
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
EP1929662B1 (en) * 2005-09-08 2017-08-02 Nokia Technologies Oy Data transmission scheme in wireless communication system
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US9088384B2 (en) * 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
JP4683478B2 (ja) 2005-10-27 2011-05-18 三星電子株式会社 多入力多出通信方法、多入力多出通信システム、送信装置、及び受信装置
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US7657244B2 (en) * 2005-10-27 2010-02-02 Samsung Electronics Co., Ltd. Methods of antenna selection for downlink MIMO-OFDM transmission over spatial correlated channels
EP1941630A2 (en) * 2005-10-28 2008-07-09 Nokia Corporation Apparatus, method and computer program product providing common channel arrangements for soft frequency reuse
US7917176B2 (en) 2006-02-14 2011-03-29 Nec Laboratories America, Inc. Structured codebook and successive beamforming for multiple-antenna systems
US20070098106A1 (en) * 2005-10-31 2007-05-03 Khojastepour Mohammad A Quantized multi-rank beamforming with structured codebook for multiple-antenna systems
KR100996023B1 (ko) * 2005-10-31 2010-11-22 삼성전자주식회사 다중 안테나 통신 시스템에서 데이터 송수신 장치 및 방법
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
US20070165576A1 (en) * 2005-12-29 2007-07-19 Telefonaktiebolaget Lm Ericsson (Publ) Mimo control channel with shared channelization codes
US8831607B2 (en) 2006-01-05 2014-09-09 Qualcomm Incorporated Reverse link other sector communication
US7680206B2 (en) * 2006-01-31 2010-03-16 Beceem Communications Inc. Selecting modulation and coding level and spatial rate for orthogonal frequency domain modulation systems
JP4727678B2 (ja) * 2006-02-08 2011-07-20 富士通株式会社 マルチアンテナ送信技術を用いた無線通信システム及び，これに適用するマルチユーザスケジューラ
US20070189151A1 (en) * 2006-02-10 2007-08-16 Interdigital Technology Corporation Method and apparatus for performing uplink transmission in a multiple-input multiple-output single carrier frequency division multiple access system
US7881265B2 (en) * 2006-03-15 2011-02-01 Interdigital Technology Corporation Power loading transmit beamforming in MIMO-OFDM wireless communication systems
US9130791B2 (en) 2006-03-20 2015-09-08 Qualcomm Incorporated Uplink channel estimation using a signaling channel
US8543070B2 (en) 2006-04-24 2013-09-24 Qualcomm Incorporated Reduced complexity beam-steered MIMO OFDM system
US8290089B2 (en) * 2006-05-22 2012-10-16 Qualcomm Incorporated Derivation and feedback of transmit steering matrix
US7974360B2 (en) * 2006-05-24 2011-07-05 Qualcomm Incorporated Multi input multi output (MIMO) orthogonal frequency division multiple access (OFDMA) communication system
EP1871023B1 (en) * 2006-06-23 2008-12-17 Mitsubishi Electric Information Technology Centre Europe B.V. Method and device for controlling channel state information transferred by a first telecommunication device to a second telecommunication device
US8787841B2 (en) * 2006-06-27 2014-07-22 Qualcomm Incorporated Method and system for providing beamforming feedback in wireless communication systems
US8081698B2 (en) * 2006-06-29 2011-12-20 Qualcomm Incorporated Method and apparatus for selection mechanism between OFDM-MIMO and LFDM-SIMO
CN101132212B (zh) * 2006-08-22 2011-09-21 中兴通讯股份有限公司 一种链路自适应方法
US20080064353A1 (en) * 2006-09-07 2008-03-13 Motorola, Inc. Method and apparatus for base station directed selection of a multiple antenna configuration
US8112038B2 (en) * 2006-09-15 2012-02-07 Futurewei Technologies, Inc. Beamforming with imperfect channel state information
WO2008035720A1 (en) * 2006-09-20 2008-03-27 Kyocera Corporation Communication system, its base station, and communication method
US20080080635A1 (en) * 2006-10-02 2008-04-03 Nokia Corporation Advanced feedback signaling for multi-antenna transmission systems
AU2006349035B2 (en) * 2006-10-05 2011-02-17 Telefonaktiebolaget L M Ericsson (Publ) MIMO mode selection at handover
US8194587B2 (en) * 2006-11-09 2012-06-05 Broadcom Corporation Adaptive network supporting single to concurrent interfering wireless transmissions
US8126396B2 (en) * 2006-11-09 2012-02-28 Broadcom Corporation Wireless network that utilizes concurrent interfering transmission and MIMO techniques
US20080112358A1 (en) * 2006-11-09 2008-05-15 Broadcom Corporation, A California Corporation Cell protocol adapting between single and concurrent interfering transmissions and receptions based on channel conditions
WO2008066468A2 (en) * 2006-11-30 2008-06-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for selection of mimo transmission mode
US20080139153A1 (en) * 2006-12-12 2008-06-12 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Antenna configuration selection using outdated channel state information
US8031795B2 (en) * 2006-12-12 2011-10-04 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Pre-processing systems and methods for MIMO antenna systems
EP2104982A4 (en) * 2007-01-30 2016-02-24 Intellectual Discovery Co Ltd METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING A SIGNAL IN A COMMUNICATION SYSTEM
KR101359666B1 (ko) 2007-02-06 2014-02-10 삼성전자주식회사 광대역 무선접속 통신시스템에서 코드북 기반의 협력적빔포밍 장치 및 방법
US8149942B1 (en) * 2007-02-07 2012-04-03 Cisco Technology, Inc. Method and system for selecting a transmission scheme in a multiple-input-multiple-output wireless communications system
US7995671B2 (en) * 2007-02-09 2011-08-09 Qualcomm Incorporated Multiple-input multiple-output (MIMO) transmission with rank-dependent precoding
US8068552B2 (en) * 2007-02-22 2011-11-29 Cisco Technology, Inc. Method and system for achieving spatial diversity of a wireless communications network
JP5361870B2 (ja) * 2007-05-10 2013-12-04 アルカテル−ルーセント 複数入力通信システムにおいて送信されるデータを事前処理するための方法及び装置
CN101102141B (zh) * 2007-08-03 2012-11-28 中兴通讯股份有限公司 多输入多输出数据流数目选择方法及系统
US8989155B2 (en) 2007-08-20 2015-03-24 Rearden, Llc Systems and methods for wireless backhaul in distributed-input distributed-output wireless systems
US8098755B2 (en) * 2007-09-07 2012-01-17 Broadcom Corporation Method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook
US20090128410A1 (en) * 2007-11-15 2009-05-21 Nokia Corporation Method, apparatus and computer readable medium providing power allocation for beamforming with minimum bler in an MIMO-OFDM system
KR101427420B1 (ko) 2007-11-28 2014-09-29 삼성전자주식회사 다중입출력 통신 시스템에서 데이터 송신 방법 및 장치
US20090147728A1 (en) * 2007-12-05 2009-06-11 Atia George K Wireless Cooperative Relay Network Transmitting Data using Imperfect CSI
JP5069579B2 (ja) * 2008-01-30 2012-11-07 京セラ株式会社 無線通信システム、無線通信装置および無線通信方法
US8259599B2 (en) * 2008-02-13 2012-09-04 Qualcomm Incorporated Systems and methods for distributed beamforming based on carrier-to-caused interference
US8085721B2 (en) * 2008-03-10 2011-12-27 Elektrobit Wireless Communications Oy Adaptive transmission method and a base station using the method
KR101537591B1 (ko) 2008-04-07 2015-07-20 엘지전자 주식회사 Ｍｉｍｏ 시스템에서 모드 적응 방법
US8081700B2 (en) * 2008-06-06 2011-12-20 Redpine Signals, Inc. Power allocation method for MIMO transmit beamforming
CN101610606B (zh) * 2008-06-18 2012-07-11 电信科学技术研究院 一种tdd系统的天线模式切换方法、系统及装置
CN102106162B (zh) * 2008-06-23 2013-06-05 上海贝尔股份有限公司 用于上行链路的低复杂度多基站mimo方法和设备
WO2010003176A1 (en) * 2008-07-07 2010-01-14 Commonwealth Scientific And Industrial Resaerch Organisation Parallel packet transmission
US8811267B2 (en) * 2008-08-13 2014-08-19 Samsung Electronics Co., Ltd. Communication system for supporting primary user and secondary user
KR20100033909A (ko) * 2008-09-22 2010-03-31 엘지전자 주식회사 전송 전력 제어 방법 및 그에 따른 송신단 기기
KR101469152B1 (ko) 2008-09-26 2014-12-05 삼성전자주식회사 신호 전송 제어 방법 및 장치
US8565170B2 (en) * 2009-01-14 2013-10-22 Qualcomm Incorporated Method and apparatus for scheduling data transmission on multiple carriers
EP2219298A1 (en) * 2009-02-12 2010-08-18 NTT DoCoMo, Inc. Method and apparatus for determining a quantized channel vector
JP5488016B2 (ja) * 2009-03-30 2014-05-14 富士通株式会社 無線通信方法、無線通信システム及び無線通信装置
WO2010148536A1 (zh) * 2009-06-23 2010-12-29 上海贝尔股份有限公司 协同多点传输系统中的传输方案确定方法和设备
KR101584993B1 (ko) * 2009-09-09 2016-01-14 삼성전자주식회사 복수의 송/수신 페어들의 송/수신 모드를 선택하는 방법 및 장치
JP5515559B2 (ja) 2009-09-25 2014-06-11 ソニー株式会社 通信システム、基地局、および通信装置
EP2522097B1 (en) 2010-01-08 2016-03-30 Nokia Solutions and Networks Oy Method and apparatus for using demodulation reference signal multiplexing resources in wireless communication
KR101754970B1 (ko) * 2010-01-12 2017-07-06 삼성전자주식회사 무선 통신 시스템의 채널 상태 측정 기준신호 처리 장치 및 방법
CN101800678B (zh) * 2010-03-12 2012-05-23 华为技术有限公司 应用ccdp和xpic的微波传输方法、装置和系统
CN102244564B (zh) * 2010-05-11 2014-12-10 中兴通讯股份有限公司 多输入多输出mimo系统的下行传输方法和基站
KR101681094B1 (ko) 2010-06-29 2016-12-01 삼성전자주식회사 무선 네트워크에서의 송신 전력 제어 방법 및 장치
EP2410665A3 (en) * 2010-07-20 2016-01-20 Sigma Designs Israel S.D.I Ltd. Transmission Scheme for Multi-Input Communication
WO2012051058A1 (en) * 2010-10-11 2012-04-19 Media Tek Singapore Pte. Ltd. Mimo channel matrix feedback in ofdm systems
ES2360039B1 (es) * 2010-12-01 2012-04-13 Universidad Carlos Iii De Madrid Método de transmisión conjunta.
PE20131090A1 (es) 2010-12-10 2013-10-16 Panasonic Ip Corp America Metodo y dispositivo de generacion de senales
CN102624432B (zh) * 2011-01-26 2017-04-05 中兴通讯股份有限公司 多层波束成形方法及实现多层波束成形的终端
US8917787B2 (en) 2011-03-22 2014-12-23 Hitachi, Ltd. Systems and methods for creating a downlink precode for communication system with per-antenna power constraints
WO2012152306A1 (en) * 2011-05-06 2012-11-15 Nokia Siemens Networks Oy Arrangements for controlling antennas
KR101881847B1 (ko) * 2012-02-21 2018-08-24 삼성전자주식회사 통신 시스템에서 신호를 송수신하는 방법 및 장치
EP2642683B1 (en) 2012-03-19 2021-01-20 Alcatel Lucent Method and apparatus for resource allocation in a MIMO communication system
EP2645653B1 (en) * 2012-03-30 2016-03-30 NTT DoCoMo, Inc. Transmission filter calculator, communication device and methods
US8995320B2 (en) * 2012-04-16 2015-03-31 Qualcomm Incorporated Systems and methods of using space time block codes
EP2662991B1 (en) 2012-05-10 2019-06-26 Alcatel Lucent Multiple-input-multiple-output (MIMO) communication
US8868124B2 (en) * 2012-08-30 2014-10-21 Mediatek Singapore Pte. Ltd. Frequency domain equalizer for a beamformed system
US20150312871A1 (en) * 2012-11-09 2015-10-29 Kyocera Corporation Mobile communication system and mobile communication method
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US9923657B2 (en) 2013-03-12 2018-03-20 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
US9973246B2 (en) 2013-03-12 2018-05-15 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10547358B2 (en) 2013-03-15 2020-01-28 Rearden, Llc Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications
RU2608755C1 (ru) * 2013-04-25 2017-01-24 Интел Корпорейшн Устройство связи миллиметрового диапазона длин волн и способ интеллектуального управления мощностью передачи и плотностью потока мощности
WO2015060680A2 (ko) 2013-10-24 2015-04-30 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
EP3068057B1 (en) 2013-12-30 2021-07-28 Huawei Technologies Co., Ltd. Data transmission method and apparatus
US12224860B1 (en) 2014-01-30 2025-02-11 Genghiscomm Holdings, LLC Linear coding in decentralized networks
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
CN103929274B (zh) * 2014-04-30 2017-05-03 电子科技大学 一种协作多点传输预编码方法
CN106575986B (zh) * 2014-08-13 2021-02-12 诺基亚通信公司 调节用于基于特征值的波束形成的传输功率的方法
US9813145B2 (en) * 2015-03-09 2017-11-07 Orbital Atk, Inc. Communications bandwidth enhancement using orthogonal spatial division multiplexing
CN107733592B (zh) 2016-08-10 2020-11-27 华为技术有限公司 传输方案指示方法、数据传输方法、装置及系统
TWI618374B (zh) * 2017-04-21 2018-03-11 國立臺灣大學 束波成型索引空間調變的方法
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
DE102017011588A1 (de) 2017-12-06 2019-06-06 Giesecke+Devrient Mobile Security Gmbh Sichere Datenübertragung von Nutzdaten
US11917604B2 (en) 2019-01-25 2024-02-27 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
US12206535B1 (en) 2018-06-17 2025-01-21 Tybalt, Llc Artificial neural networks in wireless communication systems
US10727911B2 (en) * 2018-08-20 2020-07-28 Nokia Solutions And Networks Oy Beamforming in MIMO radio networks
CN110581739B (zh) * 2019-10-09 2021-04-27 吉林大学 水下数据传输方法及装置
CN111106859B (zh) * 2019-11-28 2020-11-20 东南大学 毫米波/太赫兹网络大规模mimo无线传输方法
EP3940968B1 (en) 2020-07-17 2023-02-08 Nokia Technologies Oy A method and an apparatus for a transmission scheme
CN116325960B (zh) * 2020-11-30 2026-04-03 华为技术有限公司 一种功率控制方法、通信设备及系统
US20250183947A1 (en) * 2023-12-04 2025-06-05 Qualcomm Incorporated Full transmit power beamforming for single user multi-input multi-output transmission
IL309093A (en) * 2023-12-05 2025-07-01 Qualcomm Inc Dynamic power charging

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000012968A (ko) * 1998-08-03 2000-03-06 윤종용 송신 스위칭 다이버시티에서 안테나의 최대 송신전력 제한장치및 방법
KR20010071811A (ko) * 1998-07-10 2001-07-31 비센트 비.인그라시아, 알크 엠 아헨 무선 통신 시스템에서 전송전력을 가입자 유닛에 할당하는방법 및 시스템
US6298092B1 (en) * 1999-12-15 2001-10-02 Iospan Wireless, Inc. Methods of controlling communication parameters of wireless systems

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US413991A (en) * 1889-10-29 Store-service apparatus
US5828658A (en) * 1991-12-12 1998-10-27 Arraycomm, Inc. Spectrally efficient high capacity wireless communication systems with spatio-temporal processing
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
US5592490A (en) * 1991-12-12 1997-01-07 Arraycomm, Inc. Spectrally efficient high capacity wireless communication systems
US5351274A (en) 1993-08-20 1994-09-27 General Electric Company Post detection selection combining diversity receivers for mobile and indoor radio channels
US5566209A (en) * 1994-02-10 1996-10-15 Telefonaktiebolaget Lm Ericsson Transceiver algorithms of antenna arrays
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5721732A (en) 1995-10-31 1998-02-24 Motorola, Inc. Method of transmitting user information and overhead data in a communication device having multiple transmission modes
GB2309616B (en) * 1996-01-27 2000-05-17 Motorola Ltd A space division multiple access radio communication system and method for allocating channels therein
WO1998009385A2 (en) 1996-08-29 1998-03-05 Cisco Technology, Inc. Spatio-temporal processing for communication
DE19747398C2 (de) 1997-10-27 2002-10-24 Ericsson Telefon Ab L M Kommunikationssystem
JP3319422B2 (ja) * 1998-05-08 2002-09-03 日本電気株式会社 マルチキャリア伝送システム、マルチキャリア伝送方法
GB9814960D0 (en) 1998-07-10 1998-09-09 Koninkl Philips Electronics Nv Coding device and communication system using the same
US6690652B1 (en) 1998-10-26 2004-02-10 International Business Machines Corporation Adaptive power control in wideband CDMA cellular systems (WCDMA) and methods of operation
DE69935715T2 (de) 1999-01-16 2007-12-27 Koninklijke Philips Electronics N.V. Funkkommunikationssystem
TW472469B (en) 1999-10-07 2002-01-11 Ibm Adaptive power control in wideband CDMA cellular systems (WCDMA) and methods of operation
US6901062B2 (en) 1999-12-01 2005-05-31 Kathrein-Werke Kg Adaptive antenna array wireless data access point
US7164725B2 (en) * 2000-03-10 2007-01-16 Motorola, Inc. Method and apparatus for antenna array beamforming
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
KR100615887B1 (ko) 2000-04-07 2006-08-25 삼성전자주식회사 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법
US7139324B1 (en) 2000-06-02 2006-11-21 Nokia Networks Oy Closed loop feedback system for improved down link performance
US6362781B1 (en) * 2000-06-30 2002-03-26 Motorola, Inc. Method and device for adaptive antenna combining weights
KR100909203B1 (ko) 2000-07-12 2009-07-23 퀄컴 인코포레이티드 Ｏｆｄｍ 시스템의 실시간 서비스 및 비-실시간 서비스의멀티플렉싱
US7110378B2 (en) * 2000-10-03 2006-09-19 Wisconsin Alumni Research Foundation Channel aware optimal space-time signaling for wireless communication over wideband multipath channels
US6801790B2 (en) * 2001-01-17 2004-10-05 Lucent Technologies Inc. Structure for multiple antenna configurations
US6771706B2 (en) 2001-03-23 2004-08-03 Qualcomm Incorporated Method and apparatus for utilizing channel state information in a wireless communication system
EP1255369A1 (en) * 2001-05-04 2002-11-06 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Link adaptation for wireless MIMO transmission schemes
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
US7158563B2 (en) * 2001-06-01 2007-01-02 The Board Of Trustees Of The Leland Stanford Junior University Dynamic digital communication system control
US6956907B2 (en) 2001-10-15 2005-10-18 Qualcomm, Incorporated Method and apparatus for determining power allocation in a MIMO communication system
US20030125040A1 (en) 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
US6760388B2 (en) 2001-12-07 2004-07-06 Qualcomm Incorporated Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
US7020482B2 (en) 2002-01-23 2006-03-28 Qualcomm Incorporated Reallocation of excess power for full channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
US6826843B2 (en) * 2002-11-25 2004-12-07 Radioshack, Corp. Electronic compass apparatus and method
US7627347B2 (en) * 2006-03-17 2009-12-01 Nokia Corporation Data transmission parameter optimization in MIMO communications system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010071811A (ko) * 1998-07-10 2001-07-31 비센트 비.인그라시아, 알크 엠 아헨 무선 통신 시스템에서 전송전력을 가입자 유닛에 할당하는방법 및 시스템
KR20000012968A (ko) * 1998-08-03 2000-03-06 윤종용 송신 스위칭 다이버시티에서 안테나의 최대 송신전력 제한장치및 방법
US6298092B1 (en) * 1999-12-15 2001-10-02 Iospan Wireless, Inc. Methods of controlling communication parameters of wireless systems

Also Published As

Publication number Publication date
EP1479177B1 (en) 2008-08-13
DE60322840D1 (de) 2008-09-25
ATE405040T1 (de) 2008-08-15
US20030161282A1 (en) 2003-08-28
US7738428B2 (en) 2010-06-15
CA2477536C (en) 2012-11-13
US6862271B2 (en) 2005-03-01
US20050094598A1 (en) 2005-05-05
JP5265590B2 (ja) 2013-08-14
TWI312243B (en) 2009-07-11
AU2003213214A1 (en) 2003-09-09
KR100957738B1 (ko) 2010-05-12
JP4485803B2 (ja) 2010-06-23
AU2003213214C1 (en) 2009-02-19
JP2010158034A (ja) 2010-07-15
JP2005518755A (ja) 2005-06-23
TW200412048A (en) 2004-07-01
JP2013081188A (ja) 2013-05-02
AU2003213214B2 (en) 2008-10-02
MXPA04008245A (es) 2005-01-11
BR0307948A (pt) 2005-03-29
HK1078389A1 (en) 2006-03-10
KR20100012104A (ko) 2010-02-05
KR20040091671A (ko) 2004-10-28
WO2003073646A1 (en) 2003-09-04
US8467340B2 (en) 2013-06-18
EP1479177A1 (en) 2004-11-24
JP2010154540A (ja) 2010-07-08
CN1653721A (zh) 2005-08-10
US20100166100A1 (en) 2010-07-01
CA2477536A1 (en) 2003-09-04
CN100438370C (zh) 2008-11-26
JP5065425B2 (ja) 2012-10-31

Similar Documents

Publication Publication Date Title
KR101123596B1 (ko) 다중 송신 모드를 갖는 다중-입력 다중-출력 (ｍｉｍｏ）시스템
US8073068B2 (en) Selective virtual antenna transmission
JP4927976B2 (ja) 広帯域ｍｉｍｏ／ｍｉｓｏシステムのためのビーム−ステアリング及びビーム−フォーミング
US7978649B2 (en) Unified MIMO transmission and reception
CN1823487B (zh) 控制通信资源的方法和控制器
CA2402152C (en) Method and apparatus for transmitting pilot symbols on a plurality of subbands from a plurality of antennas
KR100962453B1 (ko) 가상 안테나 선택을 위한 방법 및 장치
CN101300878B (zh) 用于通信系统中的数据传输的装置和方法
JP4173137B2 (ja) データ伝送レートのランクアダプティブな適合化を有するｍｉｍｏ信号処理方法
KR20070108304A (ko) 다중 송수신 안테나 시스템에서의 채널 품질 정보 송수신방법 및 장치
KR100731824B1 (ko) 통신 자원들을 제어하기 위한 방법, 제어기 및 컴퓨터 판독가능 매체
AU2007237267B2 (en) Method and apparatus for measuring and reporting channel state information in a high efficiency, high performance communications system
HK1078389B (en) Multiple-input, multiple-output (mimo) systems with multiple transmission modes

Legal Events

Date Code Title Description
A107 Divisional application of patent
A201 Request for examination
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20100118

PA0201 Request for examination
PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20100413

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20101029

Patent event code: PE09021S01D

E90F Notification of reason for final refusal
PE0902 Notice of grounds for rejection

Comment text: Final Notice of Reason for Refusal

Patent event date: 20110923

Patent event code: PE09021S02D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20111130

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20120228

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20120228

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
FPAY Annual fee payment

Payment date: 20150129

Year of fee payment: 4

PR1001 Payment of annual fee

Payment date: 20150129

Start annual number: 4

End annual number: 4

FPAY Annual fee payment

Payment date: 20151230

Year of fee payment: 5

PR1001 Payment of annual fee

Payment date: 20151230

Start annual number: 5

End annual number: 5

FPAY Annual fee payment

Payment date: 20161229

Year of fee payment: 6

PR1001 Payment of annual fee

Payment date: 20161229

Start annual number: 6

End annual number: 6

FPAY Annual fee payment

Payment date: 20190107

Year of fee payment: 8

PR1001 Payment of annual fee

Payment date: 20190107

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20201224

Start annual number: 10

End annual number: 10

PR1001 Payment of annual fee

Payment date: 20211229

Start annual number: 11

End annual number: 11

PC1801 Expiration of term

Termination date: 20230819

Termination category: Expiration of duration