DE69322119D1 - Verfahren und Einrichtung für Antennendiversity - Google Patents

Verfahren und Einrichtung für Antennendiversity

Info

Publication number
DE69322119D1
DE69322119D1 DE69322119T DE69322119T DE69322119D1 DE 69322119 D1 DE69322119 D1 DE 69322119D1 DE 69322119 T DE69322119 T DE 69322119T DE 69322119 T DE69322119 T DE 69322119T DE 69322119 D1 DE69322119 D1 DE 69322119D1
Authority
DE
Germany
Prior art keywords
setup
antenna diversity
diversity
antenna
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
DE69322119T
Other languages
English (en)
Other versions
DE69322119T2 (de
Inventor
Nambirajan Seshadri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69322119D1 publication Critical patent/DE69322119D1/de
Publication of DE69322119T2 publication Critical patent/DE69322119T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B7/0602—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
    • H04B7/0604—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 with predefined switching 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
    • H04B7/0613—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
DE69322119T 1992-03-31 1993-03-25 Verfahren und Einrichtung für Antennendiversity Expired - Lifetime DE69322119T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/860,830 US5479448A (en) 1992-03-31 1992-03-31 Method and apparatus for providing antenna diversity

Publications (2)

Publication Number Publication Date
DE69322119D1 true DE69322119D1 (de) 1998-12-24
DE69322119T2 DE69322119T2 (de) 1999-05-27

Family

ID=25334124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322119T Expired - Lifetime DE69322119T2 (de) 1992-03-31 1993-03-25 Verfahren und Einrichtung für Antennendiversity

Country Status (6)

Country Link
US (1) US5479448A (de)
EP (1) EP0566257B1 (de)
JP (1) JP3096538B2 (de)
CA (1) CA2090513C (de)
DE (1) DE69322119T2 (de)
ES (1) ES2125302T3 (de)

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US5910969A (en) * 1996-11-05 1999-06-08 Lucent Technologies Inc. Method of detecting DC-free sequences
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US6173005B1 (en) * 1997-09-04 2001-01-09 Motorola, Inc. Apparatus and method for transmitting signals in a communication system
KR100374032B1 (ko) * 1997-09-11 2003-05-22 삼성전자주식회사 이동통신시스템의코딩및주파수다이버시티구현방법및장치
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
CA2276207C (en) 1997-10-31 2003-02-18 At&T Wireless Services, Inc. Low complexity maximum likelihood detection of concatenated space codes for wireless applications
US6501803B1 (en) 1998-10-05 2002-12-31 At&T Wireless Services, Inc. Low complexity maximum likelihood detecting of concatenated space codes for wireless applications
US6088408A (en) 1998-11-06 2000-07-11 At & T Corp. Decoding for generalized orthogonal designs for space-time codes for wireless communication
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JP4245802B2 (ja) 1998-03-03 2009-04-02 エイ・ティ・アンド・ティ・コーポレーション 無線通信における時間的空間的符号化信号の復号化
US6317466B1 (en) * 1998-04-15 2001-11-13 Lucent Technologies Inc. Wireless communications system having a space-time architecture employing multi-element antennas at both the transmitter and receiver
US6198775B1 (en) * 1998-04-28 2001-03-06 Ericsson Inc. Transmit diversity method, systems, and terminals using scramble coding
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US7079584B2 (en) 1998-08-10 2006-07-18 Kamilo Feher OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation
US6470055B1 (en) * 1998-08-10 2002-10-22 Kamilo Feher Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
US7548787B2 (en) 2005-08-03 2009-06-16 Kamilo Feher Medical diagnostic and communication system
US7415066B2 (en) 1998-08-10 2008-08-19 Kamilo Feher Mis-matched modulation-demodulation format selectable filters
US7593481B2 (en) 1998-08-31 2009-09-22 Kamilo Feher CDMA, W-CDMA, 3rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems
US8050345B1 (en) 1999-08-09 2011-11-01 Kamilo Feher QAM and GMSK systems
US6757334B1 (en) * 1998-08-10 2004-06-29 Kamilo Feher Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system
US6366619B1 (en) 1998-08-28 2002-04-02 Sicom, Inc. Constrained-envelope transmitter and method therefor
US6104761A (en) * 1998-08-28 2000-08-15 Sicom, Inc. Constrained-envelope digital-communications transmission system and method therefor
CA2341883A1 (en) 1998-08-31 2000-03-09 Kamilo Feher Feher keying (fk) modulation and transceivers including clock shaping processors
US6459740B1 (en) 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US6584593B1 (en) * 1998-10-02 2003-06-24 At&T Corp. Concatenation of turbo-TCM with space-block coding
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
US6247158B1 (en) * 1998-11-30 2001-06-12 Itt Manufacturing Enterprises, Inc. Digital broadcasting system and method
WO2000049730A1 (fr) * 1999-02-16 2000-08-24 Mitsubishi Denki Kabushiki Kaisha Systeme de communication radio, emetteur et recepteur
US7260369B2 (en) 2005-08-03 2007-08-21 Kamilo Feher Location finder, tracker, communication and remote control system
US9307407B1 (en) 1999-08-09 2016-04-05 Kamilo Feher DNA and fingerprint authentication of mobile devices
US9813270B2 (en) 1999-08-09 2017-11-07 Kamilo Feher Heart rate sensor and medical diagnostics wireless devices
US9373251B2 (en) 1999-08-09 2016-06-21 Kamilo Feher Base station devices and automobile wireless communication systems
US6700926B1 (en) 1999-12-10 2004-03-02 Nokia Corporation Method and apparatus providing bit-to-symbol mapping for space-time codes
US6693976B1 (en) * 2000-03-21 2004-02-17 Lucent Technologies Inc. Method of wireless communication using structured unitary space-time signal constellations
US6922447B1 (en) * 2000-05-17 2005-07-26 Nokia Corporation Apparatus, and associated method, for forming a signal exhibiting space-time redundancy
US6442214B1 (en) 2000-05-19 2002-08-27 Iospan Wireless, Inc. Diversity transmitter based on linear transform processing of transmitted information
EP1290809B1 (de) * 2000-05-25 2005-11-23 Samsung Electronics Co., Ltd. Vorrichtung und verfahren f r bertragungs-diversity durch verwendung von mehr als zwei antennen
US7020175B2 (en) * 2000-09-21 2006-03-28 Motorola, Inc. MMSE reception of DS-CDMA with transmit diversity
US7236508B2 (en) * 2001-02-05 2007-06-26 The Directv Group, Inc. Application of complex codes to maximize feeder link utilization
JP2002261667A (ja) * 2001-02-28 2002-09-13 Pioneer Electronic Corp 受信装置
FI20010963A0 (fi) * 2001-05-08 2001-05-08 Nokia Corp Adaptiivinen symbolikuvaus matkaviestinjärjestelmässä
US6999472B2 (en) * 2001-05-30 2006-02-14 Nokia Mobile Phones Limited Apparatus, and associated method, for space-time encoding, and decoding, data at a selected code rate
US20030069043A1 (en) * 2001-10-10 2003-04-10 Pallav Chhaochharia Methods and devices for wirelessly transmitting data in dependence on location
US7126956B2 (en) * 2002-03-05 2006-10-24 Applied Micro Circuits Corporation System to provide fractional bandwidth data communications services
KR100971454B1 (ko) * 2002-04-30 2010-07-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 역방향 호환가능 ｄｖｂ-ｓ 표준 전송 시스템
JP2004175052A (ja) * 2002-11-29 2004-06-24 Sony Corp インクジェット被記録媒体、インクジェット画像形成方法及び印画物
US8064528B2 (en) 2003-05-21 2011-11-22 Regents Of The University Of Minnesota Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems
KR100584329B1 (ko) * 2003-09-09 2006-05-26 삼성전자주식회사 비동기 광대역 코드분할 다중접속 통신 시스템에서 프레임기준신호의 위상 회전에 따른 왜곡 보상 장치 및 방법
EP1779547A4 (de) * 2004-08-16 2011-09-07 Beceem Communications Inc Verfahren und system zur maximalen sende-diversity
US7586997B2 (en) * 2004-08-16 2009-09-08 Beceem Communications Inc. Method and system for maximum transmit diversity
US7477698B2 (en) * 2004-08-16 2009-01-13 Beceem Communications Inc. Method and system for rate-2 transmission
US7359449B2 (en) 2004-10-05 2008-04-15 Kamilo Feher Data communication for wired and wireless communication
US7280810B2 (en) * 2005-08-03 2007-10-09 Kamilo Feher Multimode communication system
US10009956B1 (en) 2017-09-02 2018-06-26 Kamilo Feher OFDM, 3G and 4G cellular multimode systems and wireless mobile networks
US7283069B2 (en) * 2006-03-16 2007-10-16 Harris Corporation Method for encoded or encrypted bit stream synchronization
US8094751B2 (en) * 2009-07-28 2012-01-10 Ehsan Nekoui System and method for encoding and decoding of space-time block codes in data communication
WO2013101766A1 (en) 2011-12-28 2013-07-04 Lutron Electronics Co., Inc. Load control system having a broadcast controller with a diverse wireless communication system
WO2014055637A1 (en) * 2012-10-04 2014-04-10 Nec Laboratories America, Inc. Pair-wise symbol correlated high receiver sensitivity modulation format
US11235443B2 (en) 2013-03-26 2022-02-01 Milwaukee Electric Tool Corporation Pipe wrench
WO2019191655A1 (en) 2018-03-30 2019-10-03 Milwaukee Electric Tool Corporation Pipe wrench
EP4192651A1 (de) 2020-08-04 2023-06-14 Milwaukee Electric Tool Corporation Ausziehbarer schraubenschlüssel

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JPS5147313A (de) * 1974-10-21 1976-04-22 Nippon Telegraph & Telephone
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US4881241A (en) * 1988-02-24 1989-11-14 Centre National D'etudes Des Telecommunications Method and installation for digital communication, particularly between and toward moving vehicles
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US5305353A (en) * 1992-05-29 1994-04-19 At&T Bell Laboratories Method and apparatus for providing time diversity

Also Published As

Publication number Publication date
US5479448A (en) 1995-12-26
CA2090513C (en) 1998-02-03
EP0566257A1 (de) 1993-10-20
CA2090513A1 (en) 1993-10-01
ES2125302T3 (es) 1999-03-01
DE69322119T2 (de) 1999-05-27
EP0566257B1 (de) 1998-11-18
JPH0621856A (ja) 1994-01-28
JP3096538B2 (ja) 2000-10-10

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Legal Events

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8364 No opposition during term of opposition