NO312990B1 - Fremgangsmåte for å foreta en overlevering i et celledelt radiosystem av CDMA-type, samt mobil stasjon - Google Patents

Fremgangsmåte for å foreta en overlevering i et celledelt radiosystem av CDMA-type, samt mobil stasjon Download PDF

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Publication number
NO312990B1
NO312990B1 NO19952002A NO952002A NO312990B1 NO 312990 B1 NO312990 B1 NO 312990B1 NO 19952002 A NO19952002 A NO 19952002A NO 952002 A NO952002 A NO 952002A NO 312990 B1 NO312990 B1 NO 312990B1
Authority
NO
Norway
Prior art keywords
mobile station
base stations
signals
bts2
bts1
Prior art date
Application number
NO19952002A
Other languages
English (en)
Norwegian (no)
Other versions
NO952002L (no
NO952002D0 (no
Inventor
Petri Jolma
Risto Uola
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of NO952002D0 publication Critical patent/NO952002D0/no
Publication of NO952002L publication Critical patent/NO952002L/no
Publication of NO312990B1 publication Critical patent/NO312990B1/no

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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Cephalosporin Compounds (AREA)
NO19952002A 1993-09-20 1995-05-19 Fremgangsmåte for å foreta en overlevering i et celledelt radiosystem av CDMA-type, samt mobil stasjon NO312990B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI934113A FI110043B (fi) 1993-09-20 1993-09-20 Menetelmä kanavanvaihdon suorittamiseksi CDMA-solukkoradiojärjestelmässä sekä liikkuva asema
PCT/FI1994/000415 WO1995008901A1 (en) 1993-09-20 1994-09-19 Method for making a handover in a cdma cellular radio system, and a mobile station

Publications (3)

Publication Number Publication Date
NO952002D0 NO952002D0 (no) 1995-05-19
NO952002L NO952002L (no) 1995-07-13
NO312990B1 true NO312990B1 (no) 2002-07-22

Family

ID=8538620

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19952002A NO312990B1 (no) 1993-09-20 1995-05-19 Fremgangsmåte for å foreta en overlevering i et celledelt radiosystem av CDMA-type, samt mobil stasjon

Country Status (9)

Country Link
US (1) US5652748A (ja)
EP (1) EP0670098B1 (ja)
JP (1) JP3192428B2 (ja)
CN (1) CN1077393C (ja)
AT (1) ATE180136T1 (ja)
DE (1) DE69418448T2 (ja)
FI (1) FI110043B (ja)
NO (1) NO312990B1 (ja)
WO (1) WO1995008901A1 (ja)

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JP2839014B2 (ja) * 1996-07-05 1998-12-16 日本電気株式会社 符号分割多重方式セルラシステムの送信電力制御方法
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US6055427A (en) * 1996-07-18 2000-04-25 Nokia Telecommunications Oy Hard handoff and a radio system
JP2957483B2 (ja) * 1996-08-02 1999-10-04 静岡日本電気株式会社 無線選択呼出受信機
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US6044272A (en) * 1997-02-25 2000-03-28 Sbc Technology Resources, Inc. Mobile assisted handoff system and method
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US6085108A (en) * 1997-12-15 2000-07-04 Telefonaktiebolaget Lm Ericsson Modified downlink power control during macrodiversity
SE518224C2 (sv) 1997-06-24 2002-09-10 Ericsson Telefon Ab L M Sätt och system i ett cellbaserat nät
JP2861988B2 (ja) * 1997-06-30 1999-02-24 日本電気株式会社 下りトラフィック信号の送信方式
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US6507568B2 (en) * 1997-08-27 2003-01-14 Lucent Technologies Inc. Enhanced access in wireless communication systems under rapidly fluctuating fading conditions
US6097972A (en) * 1997-08-29 2000-08-01 Qualcomm Incorporated Method and apparatus for processing power control signals in CDMA mobile telephone system
FI103446B1 (fi) * 1997-09-10 1999-06-30 Nokia Telecommunications Oy Menetelmä makrodiversiteetin toteuttamiseksi
US6377809B1 (en) 1997-09-16 2002-04-23 Qualcomm Incorporated Channel structure for communication systems
CA2269927C (en) * 1997-09-16 2004-02-24 Ntt Mobile Communications Network Inc. Method and apparatus for transmitting packets and data frames
US6708041B1 (en) * 1997-12-15 2004-03-16 Telefonaktiebolaget Lm (Publ) Base station transmit power control in a CDMA cellular telephone system
US6539009B1 (en) * 1997-12-26 2003-03-25 Yozan, Inc. Signal reception apparatus for DS-CDMA cellular system
US6269075B1 (en) 1998-01-26 2001-07-31 Nokia Mobile Phones Limited Finger assignment in a CDMA rake receiver
CA2325731A1 (en) * 1998-04-09 1999-10-21 Telefonaktiebolaget Lm Ericsson Method for protecting power control commands used for uplink power control
US6526035B1 (en) * 1998-06-09 2003-02-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for identifying the source of a digital signal
FI981575A (fi) 1998-07-08 2000-01-09 Nokia Networks Oy Menetelmä ja järjestelmä digitaalisen signaalin siirtämiseksi
CN1112775C (zh) * 1998-08-05 2003-06-25 三星电子株式会社 在码分多址通信系统中公共信道上分集组合信号的设备和方法
JP3321419B2 (ja) * 1998-09-17 2002-09-03 松下電器産業株式会社 通信端末装置および無線通信方法
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
US6330271B1 (en) 1998-10-13 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) CDMA receiver that shares a tracking device among multiple rake branches
US6591100B1 (en) * 1998-11-19 2003-07-08 Ericsson Inc. Cellular communication device with scanning receiver and continuous mobile communication system employing same
US6456606B1 (en) 1999-03-24 2002-09-24 Qualcomm Incorporated Handoff control in an asynchronous CDMA system
US6516196B1 (en) 1999-04-08 2003-02-04 Lucent Technologies Inc. Intelligent burst control functions for wireless communications systems
US6584087B1 (en) 1999-06-09 2003-06-24 Infineon Technologies North America Corp. Power control during inter-generation soft handoffs
US6539006B1 (en) * 1999-08-05 2003-03-25 Ericsson Inc. Mobile station capable of determining base station suitability
GB9927995D0 (en) * 1999-11-27 2000-01-26 Koninkl Philips Electronics Nv Method for conformance testing of radio communication equipment
TW486914B (en) * 1999-12-02 2002-05-11 Ericsson Telefon Ab L M Synchronization of diversity handover destination base station
EP1170973B1 (en) * 2000-07-08 2013-03-27 LG Electronics Inc. Code combining soft handoff method
JP3501783B2 (ja) * 2000-08-23 2004-03-02 日本電気株式会社 Ｃｄｍａ受信装置およびｃｄｍａ受信方法
US6690936B1 (en) 2000-10-31 2004-02-10 Telefonaktiebolaget Lm Ericsson (Publ) Air-interface efficiency in wireless communication systems
US6907245B2 (en) 2000-12-04 2005-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Dynamic offset threshold for diversity handover in telecommunications system
US6954644B2 (en) 2000-12-04 2005-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Using geographical coordinates to determine mobile station time position for synchronization during diversity handover
US6980803B2 (en) * 2000-12-04 2005-12-27 Telefonaktiebolaget Lm Ericsson (Publ) Using statistically ascertained position for starting synchronization searcher during diversity handover
ES2293960T3 (es) * 2000-12-04 2008-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Realizacion preliminar de funciones de handover en un sistema de telecomunicaciones.
ES2743319T3 (es) 2001-08-14 2020-02-18 Qualcomm Inc Procedimiento y aparato para la conectividad de redes inalámbricas
US7218682B2 (en) * 2002-02-12 2007-05-15 Itt Manufacturing Enterprises, Inc. Methods and apparatus for synchronously combining signals from plural transmitters
KR100448459B1 (ko) * 2002-06-21 2004-09-13 에스케이 텔레콤주식회사 이동 통신망에서의 착신율 향상을 위한 플렉시블 페이징방법
FR2845540B1 (fr) * 2002-10-03 2005-06-24 Cit Alcatel Procede de reception de signaux dans un systeme de telecommunications a repeteurs terrestres presentant une source complementaire
KR101080965B1 (ko) * 2005-04-09 2011-11-08 엘지전자 주식회사 매개체 무관 핸드오버를 위한 정보 서비스 송수신 방법
US8675482B1 (en) 2009-08-05 2014-03-18 Exelis Inc. Method and apparatus for cooperative communications between groups of communication units

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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
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
SE9003913D0 (sv) * 1990-12-07 1990-12-07 Ericsson Telefon Ab L M A method of locating a mobile station in a cellular mobile radio system
US5164958A (en) * 1991-05-22 1992-11-17 Cylink Corporation Spread spectrum cellular handoff method
US5195090A (en) * 1991-07-09 1993-03-16 At&T Bell Laboratories Wireless access telephone-to-telephone network interface architecture
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US5345467A (en) * 1991-07-10 1994-09-06 Interdigital Technology Corp. CDMA cellular hand-off apparatus and method
US5305349A (en) * 1993-04-29 1994-04-19 Ericsson Ge Mobile Communications Inc. Quantized coherent rake receiver
FR2709028B1 (fr) * 1993-08-13 1995-10-20 Matra Communication Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC.

Also Published As

Publication number Publication date
WO1995008901A1 (en) 1995-03-30
AU673464B2 (en) 1996-11-07
FI110043B (fi) 2002-11-15
JPH08503833A (ja) 1996-04-23
AU7658894A (en) 1995-04-10
FI934113A0 (fi) 1993-09-20
NO952002L (no) 1995-07-13
JP3192428B2 (ja) 2001-07-30
FI934113A (fi) 1995-03-21
DE69418448D1 (de) 1999-06-17
EP0670098B1 (en) 1999-05-12
ATE180136T1 (de) 1999-05-15
CN1116033A (zh) 1996-01-31
US5652748A (en) 1997-07-29
CN1077393C (zh) 2002-01-02
NO952002D0 (no) 1995-05-19
DE69418448T2 (de) 1999-10-28
EP0670098A1 (en) 1995-09-06

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