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DE69428388D1 - Mobilstation und Zellwahlverfahren für Mobilkommunikation mit Kodemultiplexvielfachzugriff - Google Patents

Mobilstation und Zellwahlverfahren für Mobilkommunikation mit Kodemultiplexvielfachzugriff

Info

Publication number
DE69428388D1
DE69428388D1 DE69428388T DE69428388T DE69428388D1 DE 69428388 D1 DE69428388 D1 DE 69428388D1 DE 69428388 T DE69428388 T DE 69428388T DE 69428388 T DE69428388 T DE 69428388T DE 69428388 D1 DE69428388 D1 DE 69428388D1
Authority
DE
Germany
Prior art keywords
cell
multiple access
division multiple
code division
dialing method
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 - Fee Related
Application number
DE69428388T
Other languages
English (en)
Other versions
DE69428388T2 (de
Inventor
Narumi Umeda
Toyota Nishi
Akihiro Higashi
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Application granted granted Critical
Publication of DE69428388D1 publication Critical patent/DE69428388D1/de
Publication of DE69428388T2 publication Critical patent/DE69428388T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69428388T 1993-03-10 1994-03-07 Mobilstation und Zellwahlverfahren für Mobilkommunikation mit Kodemultiplexvielfachzugriff Expired - Fee Related DE69428388T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4931893A JP2802870B2 (ja) 1993-03-10 1993-03-10 符号分割多重移動通信機及び符号分割多重移動通信のセル選択方法

Publications (2)

Publication Number Publication Date
DE69428388D1 true DE69428388D1 (de) 2001-10-31
DE69428388T2 DE69428388T2 (de) 2002-05-02

Family

ID=12827624

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428388T Expired - Fee Related DE69428388T2 (de) 1993-03-10 1994-03-07 Mobilstation und Zellwahlverfahren für Mobilkommunikation mit Kodemultiplexvielfachzugriff

Country Status (5)

Country Link
US (1) US5420850A (de)
EP (1) EP0615355B1 (de)
JP (1) JP2802870B2 (de)
CA (1) CA2116601C (de)
DE (1) DE69428388T2 (de)

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US6940840B2 (en) 1995-06-30 2005-09-06 Interdigital Technology Corporation Apparatus for adaptive reverse power control for spread-spectrum communications
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US6816473B2 (en) 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
US6788662B2 (en) * 1995-06-30 2004-09-07 Interdigital Technology Corporation Method for adaptive reverse power control for spread-spectrum communications
US7123600B2 (en) * 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US5907813A (en) * 1995-11-30 1999-05-25 Qualcomm Incorporated Signal acquisition in a wireless communication system by transmitting repeated access probes from a terminal to a hub
US6301287B1 (en) * 1995-12-06 2001-10-09 Conexant Systems, Inc. Method and apparatus for signal quality estimation in a direct sequence spread spectrum communication system
JPH09238093A (ja) * 1996-02-29 1997-09-09 Sanyo Electric Co Ltd スペクトル拡散受信装置
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US5930230A (en) 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
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
US5790589A (en) * 1996-08-14 1998-08-04 Qualcomm Incorporated System and method for rapidly reacquiring a pilot channel
AU718221B2 (en) * 1996-10-18 2000-04-13 Matsushita Electric Industrial Co., Ltd. Radio communication system
KR100251560B1 (ko) * 1996-10-29 2000-04-15 윤종용 부호분할 다중 접속방식 단말기의 외부 간섭신호 제거장치
US5950131A (en) * 1996-10-29 1999-09-07 Motorola, Inc. Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone
USRE39177E1 (en) * 1997-01-29 2006-07-11 Qualcomm, Inc. Method and apparatus for performing soft hand-off in a wireless communication system
US6151502A (en) * 1997-01-29 2000-11-21 Qualcomm Incorporated Method and apparatus for performing soft hand-off in a wireless communication system
US6134569A (en) * 1997-01-30 2000-10-17 Sharp Laboratories Of America, Inc. Polyphase interpolator/decimator using continuous-valued, discrete-time signal processing
US6075807A (en) * 1997-03-25 2000-06-13 Intermec Ip Corp. Windowed digital matched filter circuit for power reduction in battery-powered CDMA radios
US6078573A (en) * 1997-04-11 2000-06-20 Research Foundation Of State University Of New York Circuitry and method for demodulating code division multiple access (CDMA) signals
FI108178B (fi) * 1997-12-16 2001-11-30 Nokia Networks Oy Tietoliikenneverkon kapasiteetin kasvattaminen
US6301237B1 (en) 1997-12-30 2001-10-09 Matsushita Electric Industrial Co., Ltd. CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device
EP0954111A1 (de) * 1998-04-27 1999-11-03 Siemens Aktiengesellschaft Funkkommunikationsanordnung und Verfahren zur Übertragung von Steuerdaten zur Verwendung in demselben
KR100277761B1 (ko) * 1998-06-25 2001-01-15 윤종용 셀룰러 시스템에서 이동 단말기의 탐색 범위설정 방법
JP3149399B2 (ja) 1998-09-24 2001-03-26 松下電器産業株式会社 Ｃｄｍａ基地局装置及びコード割当方法
US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
US7151761B1 (en) * 1999-03-19 2006-12-19 Telefonaktiebolaget L M Ericsson (Publ) Code reservation for interference measurement in a CDMA radiocommunication system
FR2791495B1 (fr) * 1999-03-26 2001-05-04 France Telecom Procede de synchronisation de rythme d'un signal numerique
TW463481B (en) * 1999-04-28 2001-11-11 Fujitsu Ltd Cell search method, communication synchronization apparatus, portable terminal apparatus, and recording medium
KR100513710B1 (ko) * 1999-05-25 2005-09-07 삼성전자주식회사 Ｃｄｍａ 통신시스템의 코드동기 취득방법 및 그 장치
FR2794586B1 (fr) * 1999-06-02 2001-08-03 Commissariat Energie Atomique Procede de traitement d'une reponse impulsionnelle avec seuil adaptatif et recepteur correspondant
JP2001086034A (ja) 1999-09-14 2001-03-30 Nec Corp とまり木チャネル検出回路における拡散コード検出方法およびその回路
US6556621B1 (en) 2000-03-29 2003-04-29 Time Domain Corporation System for fast lock and acquisition of ultra-wideband signals
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
AU7324401A (en) * 2000-07-10 2002-01-21 Interdigital Tech Corp Code power measurement for dynamic channel allocation
EP1696688A1 (de) * 2000-07-10 2006-08-30 Interdigital Technology Corporation Kodeleistungsmessung für dynamische Kanalzuwendung
US7339955B2 (en) * 2000-09-25 2008-03-04 Pulse-Link, Inc. TDMA communication method and apparatus using cyclic spreading codes
US8964692B2 (en) * 2008-11-10 2015-02-24 Qualcomm Incorporated Spectrum sensing of bluetooth using a sequence of energy detection measurements
JP6459100B2 (ja) * 2015-01-26 2019-01-30 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 制御チャネルを選択するための方法、および装置

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JPH01117432A (ja) * 1987-10-30 1989-05-10 Canon Inc 移動通信方式
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
DE4121356C2 (de) * 1991-06-28 1995-01-19 Siemens Ag Verfahren und Einrichtung zur Separierung eines Signalgemisches
US5311544A (en) * 1992-11-19 1994-05-10 Samsung Electronics Co., Ltd. Receiver of a direct sequence spread spectrum system

Also Published As

Publication number Publication date
EP0615355B1 (de) 2001-09-26
US5420850A (en) 1995-05-30
CA2116601C (en) 1998-11-10
JPH06268576A (ja) 1994-09-22
DE69428388T2 (de) 2002-05-02
EP0615355A2 (de) 1994-09-14
EP0615355A3 (de) 1995-04-05
JP2802870B2 (ja) 1998-09-24
CA2116601A1 (en) 1994-09-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee