ZA966506B - Method and apparatus for time division duplex pilot signal generation. - Google Patents

Method and apparatus for time division duplex pilot signal generation.

Info

Publication number
ZA966506B
ZA966506B ZA9606506A ZA966506A ZA966506B ZA 966506 B ZA966506 B ZA 966506B ZA 9606506 A ZA9606506 A ZA 9606506A ZA 966506 A ZA966506 A ZA 966506A ZA 966506 B ZA966506 B ZA 966506B
Authority
ZA
South Africa
Prior art keywords
signal generation
time division
pilot signal
division duplex
duplex pilot
Prior art date
Application number
ZA9606506A
Other languages
English (en)
Inventor
Jr Lindsay A Weaver
Jr Edward G Tiedemann
Gwain Bayley
Klein S Gilhousen
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA966506B publication Critical patent/ZA966506B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
ZA9606506A 1995-08-15 1996-07-31 Method and apparatus for time division duplex pilot signal generation. ZA966506B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/515,501 US5680395A (en) 1995-08-15 1995-08-15 Method and apparatus for time division duplex pilot signal generation

Publications (1)

Publication Number Publication Date
ZA966506B true ZA966506B (en) 1998-03-09

Family

ID=24051628

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9606506A ZA966506B (en) 1995-08-15 1996-07-31 Method and apparatus for time division duplex pilot signal generation.

Country Status (16)

Country Link
US (1) US5680395A (zh)
EP (1) EP0845195B1 (zh)
JP (1) JP3129741B2 (zh)
KR (1) KR19990036373A (zh)
CN (1) CN1098611C (zh)
AR (1) AR003192A1 (zh)
AT (1) ATE280480T1 (zh)
AU (1) AU703396B2 (zh)
CA (1) CA2228744C (zh)
DE (1) DE69633672T2 (zh)
ES (1) ES2230567T3 (zh)
HK (1) HK1010964A1 (zh)
IL (1) IL119057A0 (zh)
TW (1) TW308763B (zh)
WO (1) WO1997007646A1 (zh)
ZA (1) ZA966506B (zh)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69533265D1 (de) * 1995-08-31 2004-08-19 Nokia Corp Handover-auswahlverfahren für und zellulares funksystem
JPH0983429A (ja) * 1995-09-18 1997-03-28 Toshiba Corp Ｃｄｍａセルラ無線システムの移動局装置並びに拡散符号同期方法
US5884177A (en) * 1995-10-25 1999-03-16 Northern Telecom Limited Cellular communication system and method providing improved handoff capability
US5978679A (en) * 1996-02-23 1999-11-02 Qualcomm Inc. Coexisting GSM and CDMA wireless telecommunications networks
JPH09321659A (ja) * 1996-05-31 1997-12-12 Fujitsu Ltd スペクトラム拡散通信方式
JP3361694B2 (ja) * 1996-06-07 2003-01-07 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ移動通信システムにおけるパイロットチャネル送信およびセル選択方法、移動局
JP3124229B2 (ja) * 1996-06-28 2001-01-15 富士通株式会社 Ｐｈｓを利用したｗｌｌシステムにおける無線基地局、その運用方法およびインタフェース変換装置
KR0173101B1 (ko) * 1996-08-14 1999-03-30 양승택 직접 시퀀스 확산 스펙트럼 통신용 월쉬-4상 위상변조 칩 변조 장치
US6160799A (en) * 1996-09-06 2000-12-12 Motorola, Inc. Method of and apparatus for pilot set maintenance
US5881058A (en) * 1996-11-25 1999-03-09 Motorola, Inc. Method for performing a signal search in a wireless communication system
JPH10173547A (ja) * 1996-12-11 1998-06-26 Matsushita Electric Ind Co Ltd 送信出力検出回路
US6122266A (en) * 1997-02-19 2000-09-19 Lucent Technologies Inc. Multi-level sectorized CDMA communications
JP2990098B2 (ja) * 1997-05-21 1999-12-13 埼玉日本電気株式会社 端末主導型移動通信システム
US6285655B1 (en) 1997-09-08 2001-09-04 Qualcomm Inc. Method and apparatus for providing orthogonal spot beams, sectors, and picocells
US6078571A (en) * 1997-09-19 2000-06-20 Motorola, Inc. Apparatus and method for transmitting beacon signals in a communication system
US7289473B1 (en) * 1997-11-03 2007-10-30 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US7184426B2 (en) 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
US9118387B2 (en) 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
KR19990048321A (ko) * 1997-12-09 1999-07-05 윤종용 디지털 이동통신 시스템의 하드 핸드오프 처리 방법
US6639906B1 (en) * 1997-12-09 2003-10-28 Jeffrey A. Levin Multichannel demodulator
KR100289843B1 (ko) * 1998-02-05 2001-05-15 이계철 비동기식 셀룰러 코드분할다중접속시스템의 기지국 획득방법
US5956641A (en) * 1998-03-30 1999-09-21 Motorola, Inc. System and method for facilitating a handoff of at least one mobile unit in a telecommunication system
KR19990080484A (ko) 1998-04-17 1999-11-15 김영환 이동통신 시스템의 핸드 오프 방법
JP3260716B2 (ja) 1998-06-05 2002-02-25 松下電器産業株式会社 送信装置及びそれを用いた基地局装置
JP2000050351A (ja) * 1998-07-27 2000-02-18 Nec Corp 移動体通信装置および移動体通信における同期確立方法
US6321090B1 (en) * 1998-11-06 2001-11-20 Samir S. Soliman Mobile communication system with position detection to facilitate hard handoff
US6594242B1 (en) * 1999-01-14 2003-07-15 Ericsson, Inc. Broadcasting of two generation cellular system control channel information over a three generation control channel to support roaming and handover to two generation cellular networks
KR100291340B1 (ko) * 1999-03-16 2001-05-15 윤종용 피코 기지국을 이용한 코드분할 다중접속간의 핸드오프 지원장치
US6553230B1 (en) * 1999-04-16 2003-04-22 Nortel Networks Limited Method and apparatus for performing soft handoff between cells of large differing radii
US6304563B1 (en) * 1999-04-23 2001-10-16 Qualcomm Incorporated Method and apparatus for processing a punctured pilot channel
EP1061759A1 (de) * 1999-05-31 2000-12-20 Siemens Aktiengesellschaft Verfahren zur Übertragung von Informationen über Funkzellen in einem Funk-Kommunikationssystem
KR20010003088A (ko) * 1999-06-21 2001-01-15 김영환 오버 헤드 채널과 씨디엠에이 채널 리스트를 이용한 호 제어 방법
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
US6704581B1 (en) * 1999-11-13 2004-03-09 Hyundai Electronics Industry Co. Mobile telecommunication system and method for performing handoff between asynchronous base station and synchronous base station
US6606363B1 (en) 1999-12-28 2003-08-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols
US6813257B1 (en) * 2000-06-26 2004-11-02 Motorola, Inc. Apparatus and methods for controlling short code timing offsets in a CDMA system
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US6973098B1 (en) 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
EP1410513A4 (en) 2000-12-29 2005-06-29 Infineon Technologies Ag CHANNEL CODEC PROCESSOR CONFIGURABLE FOR MULTIPLE WIRELESS COMMUNICATION STANDARDS
DE10126831B4 (de) 2001-06-01 2007-08-02 Rohde & Schwarz Gmbh & Co Kg Verfahren zum Bestimmen des Zeitversatzes zwischen einem Trigger-Signal und der Pilotsequenz eines CDMA-Hochfrequenzsignals
KR100428676B1 (ko) * 2001-08-31 2004-04-30 엘지전자 주식회사 기지국 송신장치
US6917809B2 (en) * 2001-10-23 2005-07-12 Motorola, Inc. Method for automatically sorting the neighbor list of a cell in a communications system
KR100421585B1 (ko) * 2001-10-25 2004-03-09 한국전자통신연구원 시간분할 듀플렉스 시스템에서 이동국의 셀 탐색 시스템및 그 방법
WO2003043237A1 (en) * 2001-11-17 2003-05-22 Samsung Electronics Co., Ltd. Signal measurement apparatus and method for handover in a mobile communication system
WO2003047117A2 (en) 2001-11-29 2003-06-05 Interdigital Technology Corporation System and method using primary and secondary synchronization codes during cell search
US7003058B2 (en) * 2002-02-27 2006-02-21 The Boeing Company Polarization division duplexing with cross polarization interference canceller
US7768974B2 (en) * 2003-02-03 2010-08-03 Alcatel-Lucent Method and arrangement for generating pilot beacons in wireless communication systems
KR100575959B1 (ko) * 2003-09-02 2006-05-02 삼성전자주식회사 다중 반송파 변조 방식을 사용하는 통신 시스템에서파일럿 송수신 장치 및 방법
US7603093B2 (en) * 2005-12-14 2009-10-13 Adc Telecommunications, Inc. System and method to monitor broadband radio frequency transport systems
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US20070237068A1 (en) * 2006-04-06 2007-10-11 Qi Bi Method of providing pilot signals for uplink power control
US8335202B2 (en) * 2006-11-20 2012-12-18 Qualcomm Incorporated Sending pilots on secondary channels for improved acquisition and handoff in cellular communication
US8457562B2 (en) * 2007-03-27 2013-06-04 Adc Telecommunications, Inc. Digitized reverse link monitor
KR100933691B1 (ko) 2007-09-12 2009-12-23 주식회사 서화정보통신 2세대 이동 통신과 3세대 이동 통신에 동시 적용 가능한휴대용 파일럿 신호 발생 장치
US8811200B2 (en) 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
JP2011135570A (ja) * 2009-11-27 2011-07-07 Sanyo Electric Co Ltd 端末装置
US8937900B2 (en) 2010-07-20 2015-01-20 Qualcomm Incorporated Enhancing pilot channel transmission in TD-SCDMA multicarrier systems using secondary carrier frequencies
CN107070581B (zh) * 2016-12-29 2019-10-25 上海华为技术有限公司 一种干扰消除方法以及基站

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5101501A (en) * 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5267262A (en) * 1989-11-07 1993-11-30 Qualcomm Incorporated Transmitter power control system
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5184347A (en) * 1991-07-09 1993-02-02 At&T Bell Laboratories Adaptive synchronization arrangement
US5195090A (en) * 1991-07-09 1993-03-16 At&T Bell Laboratories Wireless access telephone-to-telephone network interface architecture
CA2066538C (en) * 1991-07-09 1997-12-23 Brian David Bolliger Mobile-telephone system call processing arrangement
CA2096219A1 (en) * 1991-09-27 1993-03-28 Thomas B. Hart Communication transfer between unlike communication domains
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
US5295153A (en) * 1992-04-13 1994-03-15 Telefonaktiebolaget L M Ericsson CDMA frequency allocation
CA2107606A1 (en) * 1992-10-07 1994-04-08 Keishi Matsuno Method of establishing inter-base-station synchronization and mobile radio communication system using the method
US5438565A (en) * 1993-03-31 1995-08-01 At&T Corp. Packet switch to provide code division, multiple access cellular service
US5313489A (en) * 1993-06-25 1994-05-17 Motorola, Inc. Signal processing in communication systems
JP2992670B2 (ja) * 1994-01-31 1999-12-20 松下電器産業株式会社 移動体通信装置
US5559789A (en) * 1994-01-31 1996-09-24 Matsushita Electric Industrial Co., Ltd. CDMA/TDD Radio Communication System
US5577022A (en) * 1994-11-22 1996-11-19 Qualcomm Incorporated Pilot signal searching technique for a cellular communications system
US5594718A (en) * 1995-03-30 1997-01-14 Qualcomm Incorporated Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system

Also Published As

Publication number Publication date
DE69633672D1 (de) 2004-11-25
CA2228744A1 (en) 1997-02-27
US5680395A (en) 1997-10-21
ATE280480T1 (de) 2004-11-15
EP0845195A1 (en) 1998-06-03
AU6721796A (en) 1997-03-12
KR19990036373A (ko) 1999-05-25
EP0845195B1 (en) 2004-10-20
DE69633672T2 (de) 2005-10-20
CN1098611C (zh) 2003-01-08
CN1192843A (zh) 1998-09-09
JP3129741B2 (ja) 2001-01-31
TW308763B (zh) 1997-06-21
WO1997007646A1 (en) 1997-02-27
JPH11508429A (ja) 1999-07-21
AU703396B2 (en) 1999-03-25
MX9801174A (es) 1998-07-31
ES2230567T3 (es) 2005-05-01
IL119057A0 (en) 1996-11-14
HK1010964A1 (en) 1999-07-02
CA2228744C (en) 2005-06-21
AR003192A1 (es) 1998-07-08

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