ATE287597T1 - Synchronisation von mobilen geräten in einem zeitmultiplex duplex (tdd) cdma system - Google Patents

Synchronisation von mobilen geräten in einem zeitmultiplex duplex (tdd) cdma system

Info

Publication number
ATE287597T1
ATE287597T1 AT01982935T AT01982935T ATE287597T1 AT E287597 T1 ATE287597 T1 AT E287597T1 AT 01982935 T AT01982935 T AT 01982935T AT 01982935 T AT01982935 T AT 01982935T AT E287597 T1 ATE287597 T1 AT E287597T1
Authority
AT
Austria
Prior art keywords
synchronisation
cdma system
mobile equipment
tdd
synchronization
Prior art date
Application number
AT01982935T
Other languages
English (en)
Inventor
Der Wal Arnoud Van
Jan Stoter
De Hee Johan Van
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE287597T1 publication Critical patent/ATE287597T1/de

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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • 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
    • H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702—Intercell-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
AT01982935T 2001-10-16 2001-10-16 Synchronisation von mobilen geräten in einem zeitmultiplex duplex (tdd) cdma system ATE287597T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2001/000762 WO2003039043A1 (en) 2001-10-16 2001-10-16 Synchronisation of mobile equipment in time division duplex cdma system

Publications (1)

Publication Number Publication Date
ATE287597T1 true ATE287597T1 (de) 2005-02-15

Family

ID=19760773

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01982935T ATE287597T1 (de) 2001-10-16 2001-10-16 Synchronisation von mobilen geräten in einem zeitmultiplex duplex (tdd) cdma system

Country Status (7)

Country Link
US (1) US7710940B2 (de)
EP (1) EP1436916B1 (de)
KR (1) KR100770231B1 (de)
AT (1) ATE287597T1 (de)
DE (1) DE60108534T2 (de)
GB (1) GB0409000D0 (de)
WO (1) WO2003039043A1 (de)

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KR100548416B1 (ko) * 2003-10-28 2006-02-02 엘지전자 주식회사 무선 프레임 동기화 방법
US7684378B2 (en) * 2004-11-08 2010-03-23 Interdigital Technology Corporation Method and apparatus for estimating channelization codes in a wireless transmit/receive unit
KR101259100B1 (ko) * 2005-11-04 2013-04-26 엘지전자 주식회사 Ｏｆｄｍ 또는 ｏｆｄｍａ 무선 이동통신 시스템에서의초기 동기를 위한 신호 전송 방법, 초기 동기 획득 방법 및이동통신용 단말
US8228887B2 (en) 2006-09-29 2012-07-24 Apple Inc. Cell identifier encoding and decoding methods and apparatus
US7733843B1 (en) * 2007-08-21 2010-06-08 Rockwell Collins, Inc. Media access for communication system
US9496620B2 (en) 2013-02-04 2016-11-15 Ubiquiti Networks, Inc. Radio system for long-range high-speed wireless communication
US8836601B2 (en) 2013-02-04 2014-09-16 Ubiquiti Networks, Inc. Dual receiver/transmitter radio devices with choke
US9247512B2 (en) * 2011-08-25 2016-01-26 Ubiquiti Networks Adaptive synchronous protocol for minimizing latency in TDD systems
US9543635B2 (en) 2013-02-04 2017-01-10 Ubiquiti Networks, Inc. Operation of radio devices for long-range high-speed wireless communication
US9397820B2 (en) 2013-02-04 2016-07-19 Ubiquiti Networks, Inc. Agile duplexing wireless radio devices
US8855730B2 (en) 2013-02-08 2014-10-07 Ubiquiti Networks, Inc. Transmission and reception of high-speed wireless communication using a stacked array antenna
US9276716B2 (en) * 2013-09-09 2016-03-01 Cisco Technology, Inc. Sensor data transport and consolidation within communication nodes in a network
ES2767051T3 (es) 2013-10-11 2020-06-16 Ubiquiti Inc Optimización de sistema de radio inalámbrica mediante análisis de espectro persistente
US20150256355A1 (en) 2014-03-07 2015-09-10 Robert J. Pera Wall-mounted interactive sensing and audio-visual node devices for networked living and work spaces
WO2015134753A1 (en) 2014-03-07 2015-09-11 Ubiquiti Networks, Inc. Cloud device identification and authentication
WO2015142723A1 (en) 2014-03-17 2015-09-24 Ubiquiti Networks, Inc. Array antennas having a plurality of directional beams
EP3127187B1 (de) 2014-04-01 2020-11-11 Ubiquiti Inc. Antennenanordnung
US10177904B2 (en) 2016-12-21 2019-01-08 Intel IP Corporation Leveraging secondary synchronization signal properties to improve synchronization signal detection

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US4740962A (en) * 1985-12-23 1988-04-26 Motorola, Inc. Synchronizer for time division multiplexed data
US5638375A (en) * 1988-11-30 1997-06-10 Motorola, Inc. AGC isolation of information in TDMA systems
ES2078150B1 (es) * 1993-06-25 1998-01-01 Alcatel Standard Electrica Subsistema de comunicaciones entre estaciones base y controladores de estaciones base en sistemas de comunicaciones a rafagas.
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US5754605A (en) * 1995-09-29 1998-05-19 Motorola Method and apparatus for synchronization of a communications unit
JPH09331291A (ja) * 1996-04-10 1997-12-22 Oki Electric Ind Co Ltd 無線通信システム及び無線通信装置
US5953311A (en) * 1997-02-18 1999-09-14 Discovision Associates Timing synchronization in a receiver employing orthogonal frequency division multiplexing
JP3585333B2 (ja) * 1996-12-26 2004-11-04 松下電器産業株式会社 Ｃｄｍａ基地局装置
JP3568182B2 (ja) * 1997-12-03 2004-09-22 株式会社日立国際電気 データ伝送装置の同期検出方法及びその装置
JP4137224B2 (ja) * 1998-03-31 2008-08-20 天野エンザイム株式会社 酵素による蛋白質の架橋法
DE19840232C1 (de) * 1998-09-03 1999-10-28 Siemens Ag Verfahren und Funk-Kommunikationssystem zur Synchronisation von Teilnehmerstationen
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Also Published As

Publication number Publication date
GB0409000D0 (en) 2004-05-26
KR20040060937A (ko) 2004-07-06
DE60108534D1 (de) 2005-02-24
WO2003039043A1 (en) 2003-05-08
DE60108534T2 (de) 2006-03-23
US7710940B2 (en) 2010-05-04
KR100770231B1 (ko) 2007-10-26
US20050053048A1 (en) 2005-03-10
EP1436916A1 (de) 2004-07-14
EP1436916B1 (de) 2005-01-19

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