DE69917104D1 - CDMA zellulares System mit mehreren Pilot Kanälen - Google Patents

CDMA zellulares System mit mehreren Pilot Kanälen

Info

Publication number
DE69917104D1
DE69917104D1 DE69917104T DE69917104T DE69917104D1 DE 69917104 D1 DE69917104 D1 DE 69917104D1 DE 69917104 T DE69917104 T DE 69917104T DE 69917104 T DE69917104 T DE 69917104T DE 69917104 D1 DE69917104 D1 DE 69917104D1
Authority
DE
Germany
Prior art keywords
cellular system
cdma cellular
pilot channels
multiple pilot
cdma
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
DE69917104T
Other languages
English (en)
Other versions
DE69917104T2 (de
Inventor
Toshifumi Sato
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69917104D1 publication Critical patent/DE69917104D1/de
Application granted granted Critical
Publication of DE69917104T2 publication Critical patent/DE69917104T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2637—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for logical channel control
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE1999617104 1998-03-04 1999-02-26 CDMA zellulares System mit mehreren Pilot Kanälen Expired - Lifetime DE69917104T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5165698A JP3266091B2 (ja) 1998-03-04 1998-03-04 セルラシステム
JP5165698 1998-03-04

Publications (2)

Publication Number Publication Date
DE69917104D1 true DE69917104D1 (de) 2004-06-17
DE69917104T2 DE69917104T2 (de) 2005-05-12

Family

ID=12892930

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999617104 Expired - Lifetime DE69917104T2 (de) 1998-03-04 1999-02-26 CDMA zellulares System mit mehreren Pilot Kanälen

Country Status (7)

Country Link
US (2) US7072325B1 (de)
EP (1) EP0940937B1 (de)
JP (1) JP3266091B2 (de)
KR (1) KR100333426B1 (de)
CN (1) CN1118980C (de)
CA (1) CA2263187C (de)
DE (1) DE69917104T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000049798A (ja) * 1998-07-27 2000-02-18 Matsushita Electric Ind Co Ltd 無線通信装置
JP3447579B2 (ja) * 1998-10-07 2003-09-16 松下電器産業株式会社 無線通信装置及び無線通信方法
US6115406A (en) * 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system
US6278726B1 (en) * 1999-09-10 2001-08-21 Interdigital Technology Corporation Interference cancellation in a spread spectrum communication system
US7110387B1 (en) * 1999-09-29 2006-09-19 Samsung Electronics Co., Ltd. System and method for compensating timing error using pilot symbol in OFDM/CDMA communication system
JP3793380B2 (ja) 1999-10-22 2006-07-05 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下りリンクのパイロットチャネルの送信方法およびｃｄｍａ移動通信システム
US6545990B1 (en) * 1999-12-20 2003-04-08 Tantivy Communications, Inc. Method and apparatus for a spectrally compliant cellular communication system
US8463255B2 (en) 1999-12-20 2013-06-11 Ipr Licensing, Inc. Method and apparatus for a spectrally compliant cellular communication system
JP2001339758A (ja) * 2000-05-26 2001-12-07 Matsushita Electric Ind Co Ltd 無線基地局装置及び無線通信方法
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
JP3583353B2 (ja) * 2000-07-03 2004-11-04 松下電器産業株式会社 通信端末装置および基地局装置
GB0031841D0 (en) 2000-12-29 2001-02-14 Nokia Networks Oy Interference power estimation for adaptive antenna system
GB0031834D0 (en) 2000-12-29 2001-02-14 Nokia Networks Oy Parameter estimation for adaptive antenna system
US20020118783A1 (en) * 2001-02-26 2002-08-29 Peter Cripps Smart antenna based spectrum multiplexing using a pilot signal
JP3714406B2 (ja) * 2001-04-27 2005-11-09 日本電気株式会社 Ｗ−ｃｄｍａ方式を用いた送信電力制御回路
JP3575437B2 (ja) * 2001-05-10 2004-10-13 日本電気株式会社 指向性制御装置
US8249187B2 (en) * 2002-05-09 2012-08-21 Google Inc. System, method and apparatus for mobile transmit diversity using symmetric phase difference
EP1391059B1 (de) * 2001-05-31 2009-01-21 Magnolia Broadband, Inc. Kommunikationseinrichtung mit intelligenter antenne, die ein qualitätsanzeigesignal verwendet
JP2004248162A (ja) * 2003-02-17 2004-09-02 Kyocera Corp 基地局装置
US7123944B2 (en) * 2003-12-19 2006-10-17 Samsung Electronics Co., Ltd. Apparatus and method for controlling auxiliary pilot channel in a CDMA2000 wireless network
JP4662496B2 (ja) * 2005-02-03 2011-03-30 富士通株式会社 無線通信システムおよび無線通信方法
US8868118B2 (en) * 2005-04-08 2014-10-21 Qualcomm Incorporated Multiplexing on the reverse link feedbacks for multiple forward link frequencies
US7570453B2 (en) * 2005-12-07 2009-08-04 Samsung Electronics Co., Ltd. Method and apparatus reducing data damage from mechanical shock in a hard disk drive
US8243850B2 (en) * 2006-10-24 2012-08-14 Samsung Electronics Co., Ltd. Method and system for generating reference signals in a wireless communication system
JP2007295627A (ja) * 2007-07-27 2007-11-08 Kyocera Corp 無線基地局装置及びアンテナ指向性制御方法
JP5221752B2 (ja) * 2009-03-03 2013-06-26 株式会社エヌ・ティ・ティ・ドコモ 局所平均吸収電力測定方法、局所平均吸収電力算出装置、局所平均吸収電力算出プログラム
JP2010161782A (ja) * 2010-02-09 2010-07-22 Kyocera Corp 無線基地局
WO2012118417A1 (en) * 2011-03-03 2012-09-07 Telefonaktiebolaget L M Ericsson (Publ) Pilot signal assignment

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2991862B2 (ja) 1992-06-29 1999-12-20 三菱電機株式会社 移動体通信における送信電力制御装置およびシステム
US5559789A (en) * 1994-01-31 1996-09-24 Matsushita Electric Industrial Co., Ltd. CDMA/TDD Radio Communication System
US5491837A (en) * 1994-03-07 1996-02-13 Ericsson Inc. Method and system for channel allocation using power control and mobile-assisted handover measurements
JP3323698B2 (ja) 1994-07-20 2002-09-09 株式会社日立製作所 Ｃｄｍａ移動通信システムの移動局および検波方法
US5809083A (en) * 1994-11-23 1998-09-15 At&T Wireless Services, Inc. Differentially encoded pilot word system and method for wireless transmissions of digital data
GB2295524A (en) * 1994-11-28 1996-05-29 Northern Telecom Ltd Beamed antenna system for a cellular radio base station
DE19506439A1 (de) 1995-02-24 1996-08-29 Sel Alcatel Ag Zuweisung einer Trägerfrequenz in einem SDMA-Funksystem
FI98172C (fi) * 1995-05-24 1997-04-25 Nokia Telecommunications Oy Menetelmä pilottisignaalin lähettämiseksi ja solukkoradiojärjestelmä
FI98171C (fi) * 1995-05-24 1997-04-25 Nokia Telecommunications Oy Menetelmä pilottikanavien lähettämiseksi ja solukkoradiojärjestelmä
JP2785812B2 (ja) 1995-07-19 1998-08-13 日本電気株式会社 Ｆｄｄ／ｃｄｍａ送受信システム
JPH09200115A (ja) * 1996-01-23 1997-07-31 Toshiba Corp 無線通信システムにおける無線基地局のアンテナ指向性制御方法および可変指向性アンテナ
JP2986401B2 (ja) 1996-03-06 1999-12-06 エヌ・ティ・ティ移動通信網株式会社 パイロットチャネル用拡散コード配置方法および基地局装置と移動局装置
JP2934185B2 (ja) * 1996-03-15 1999-08-16 松下電器産業株式会社 Ｃｄｍａセルラ無線基地局装置および移動局装置および送信方法
JP3411150B2 (ja) 1996-03-22 2003-05-26 松下電器産業株式会社 Ｃｄｍａセルラ無線通信装置
JP2820919B2 (ja) * 1996-03-25 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 Ｃｄｍａ移動体通信システムおよび送受信機
EP0807989B1 (de) 1996-05-17 2001-06-27 Motorola Ltd Verfahren und Vorrichtung zur Gewichtung eines Uebertragungsweges
US5943331A (en) * 1997-02-28 1999-08-24 Interdigital Technology Corporation Orthogonal code synchronization system and method for spread spectrum CDMA communications
SE9702408L (sv) * 1997-06-24 1998-12-25 Ericsson Telefon Ab L M Sektorisering av ett cellulärt CDMA-system
US6141542A (en) * 1997-07-31 2000-10-31 Motorola, Inc. Method and apparatus for controlling transmit diversity in a communication system
US6038263A (en) 1997-07-31 2000-03-14 Motorola, Inc. Method and apparatus for transmitting signals in a communication system
US6285655B1 (en) * 1997-09-08 2001-09-04 Qualcomm Inc. Method and apparatus for providing orthogonal spot beams, sectors, and picocells
US6307840B1 (en) * 1997-09-19 2001-10-23 Qualcomm Incorporated Mobile station assisted timing synchronization in CDMA communication system
US6574211B2 (en) * 1997-11-03 2003-06-03 Qualcomm Incorporated Method and apparatus for high rate packet data transmission

Also Published As

Publication number Publication date
JP3266091B2 (ja) 2002-03-18
EP0940937A2 (de) 1999-09-08
US20050083875A1 (en) 2005-04-21
CA2263187C (en) 2004-08-03
CA2263187A1 (en) 1999-09-04
KR100333426B1 (ko) 2002-04-18
EP0940937B1 (de) 2004-05-12
KR19990077589A (ko) 1999-10-25
US7072325B1 (en) 2006-07-04
US7609679B2 (en) 2009-10-27
EP0940937A3 (de) 2002-04-24
CN1236238A (zh) 1999-11-24
DE69917104T2 (de) 2005-05-12
CN1118980C (zh) 2003-08-20
JPH11252002A (ja) 1999-09-17

Similar Documents

Publication Publication Date Title
DE69917104D1 (de) CDMA zellulares System mit mehreren Pilot Kanälen
DE69703084D1 (de) CDMA Zellularfunkübertragungssystem
DE69702875D1 (de) Zellulare CDMA-Funkübertragungsanordnung
NO983764D0 (no) Knekt, sµrlig for bµrekanaler
DE69906702D1 (de) Schneideinsatz mit kühlkanal
NO20001334D0 (no) Kanalstruktur for radiosambandssystemer
DE69835691D1 (de) Vielkanal-pipettiergerät
NO971741D0 (no) Sirkulasjonsventil
DE69733520D1 (de) CDMA-Kommunikationssystem
EE200100339A (et) Kombineeritud kemoteraapia
DE59902207D1 (de) Monolithischer metallischer wabenkörper mit variierender kanalzahl
DE69804578T2 (de) Bewegliche Einheit mit Wälzkörper
BR9612486A (pt) Laminador
FI964855A (fi) Solukkoradiojärjestelmä
KR960009470A (ko) Cdma 통신시스템
FI960826A (fi) CDMA-solukkojärjestelmä
ATA20199A (de) Fluggerät
DE29811445U1 (de) Funktelefon mit Standortbestimmungssystem
DE59813399D1 (de) Kommunikationssystem mit Sonderkanal
DE60026021D1 (de) Cdma-system mit diskontinuierlicher übertragung
DE60218810D1 (de) Zellulares CDMA System mit Zuweisung unterschiedlicher Kanäle
DE29805832U1 (de) Mehrschichtiger, plattenförmiger Heizkörper
DE29818392U1 (de) Fluggerät
FI980940A0 (fi) Luotisuoja
DE29811915U1 (de) Leistungsoptimierungssystem

Legal Events

Date Code Title Description
8364 No opposition during term of opposition