KR100886098B1 - 수신/전송 동기화를 통한 그룹 호 유지 - Google Patents

수신/전송 동기화를 통한 그룹 호 유지 Download PDF

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Publication number
KR100886098B1
KR100886098B1 KR1020067006819A KR20067006819A KR100886098B1 KR 100886098 B1 KR100886098 B1 KR 100886098B1 KR 1020067006819 A KR1020067006819 A KR 1020067006819A KR 20067006819 A KR20067006819 A KR 20067006819A KR 100886098 B1 KR100886098 B1 KR 100886098B1
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South Korea
Prior art keywords
group
synchronization
transceiver
transceivers
transmission
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Expired - Fee Related
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KR1020067006819A
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English (en)
Korean (ko)
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KR20060085673A (ko
Inventor
찰벨 크하완드
빈 리우
지안핑 더블유. 밀레르
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모토로라 인코포레이티드
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Assigned to 모토로라 모빌리티 엘엘씨 reassignment 모토로라 모빌리티 엘엘씨 권리의 전부이전등록 Assignors: 모토로라 인코포레이티드
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    • 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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • H04B7/269—Leader-follower synchronisation
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/002—Mutual synchronization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
KR1020067006819A 2003-10-09 2004-10-07 수신/전송 동기화를 통한 그룹 호 유지 Expired - Fee Related KR100886098B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/682,772 US7366532B2 (en) 2003-10-09 2003-10-09 Group call management through receive/transmit synchronization
US10/682,772 2003-10-09

Publications (2)

Publication Number Publication Date
KR20060085673A KR20060085673A (ko) 2006-07-27
KR100886098B1 true KR100886098B1 (ko) 2009-02-27

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KR1020067006819A Expired - Fee Related KR100886098B1 (ko) 2003-10-09 2004-10-07 수신/전송 동기화를 통한 그룹 호 유지

Country Status (7)

Country Link
US (1) US7366532B2 (https=)
EP (1) EP1673894A4 (https=)
JP (1) JP4637109B2 (https=)
KR (1) KR100886098B1 (https=)
CN (1) CN101313499B (https=)
AU (1) AU2004306745B2 (https=)
WO (1) WO2005036801A2 (https=)

Cited By (1)

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KR101275548B1 (ko) 2010-09-13 2013-06-20 가부시키가이샤 엔티티 도코모 무선 시스템에서의 노드 및 무선 시스템에서 노드를 시간 및 주파수 동기화하기 위한 방법

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US8284684B2 (en) * 2005-01-28 2012-10-09 Sharp Kabushiki Kaisha Communication device, communication system, communication method, and communication circuit
US7787391B2 (en) * 2005-01-28 2010-08-31 Sharp Kabushiki Kaisha Communication device, communication system, communication method, communication program, and communication circuit
CN101964705B (zh) * 2005-01-28 2012-08-08 夏普株式会社 通信设备、通信系统、通信方法、通信程序、通信电路
US8051182B2 (en) * 2005-01-28 2011-11-01 Sharp Kabushiki Kaisha Communication device, communication system, communication method, communication program, and communication circuit
US8111680B2 (en) * 2005-04-07 2012-02-07 Mitsubishi Electric Corporation Mobile object information sharing system
US20060251107A1 (en) * 2005-04-21 2006-11-09 Geren Bruce E Method and system for collision avoidance in wireless communications
US8515480B2 (en) * 2005-11-04 2013-08-20 Nec Corporation Wireless communication system and method of controlling a transmission power
JP4786664B2 (ja) * 2005-11-10 2011-10-05 シャープ株式会社 データ送信装置およびその制御方法、データ送信装置制御プログラム、ならびに該プログラムを記録した記録媒体
US8885520B2 (en) * 2006-07-28 2014-11-11 Blackberry Limited Multi-hop network topology system and method
JP4219950B2 (ja) * 2006-10-16 2009-02-04 シャープ株式会社 通信機器、通信方法、通信回路、携帯電話機、プログラム、およびプログラムを記録したコンピュータ読み取り可能な記録媒体
US7990944B2 (en) * 2007-09-06 2011-08-02 Wi-Lan, Inc. Contention-based communication
US9326135B2 (en) * 2008-02-21 2016-04-26 Google Technology Holdings LLC Method and apparatus for secure communication in a digital two way radio protocol
US8687619B2 (en) * 2008-11-04 2014-04-01 Telefonaktiebolaget Lm Ericsson (Publ) System and method of downlinking data to an unsynchronized user equipment in a telecommunications network
US9516615B2 (en) 2011-11-18 2016-12-06 Apple Inc. Selection of synchronization stations in a peer-to-peer network environment
US10271293B2 (en) 2011-11-18 2019-04-23 Apple Inc. Group formation within a synchronized hierarchy of peer-to-peer devices
US20130132500A1 (en) 2011-11-18 2013-05-23 Apple Inc. Selection of a master in a peer-to-peer network environment
TWI571166B (zh) * 2012-01-13 2017-02-11 蘋果公司 在點對點網路環境中同步站台之選擇
TWI533732B (zh) * 2012-01-13 2016-05-11 蘋果公司 在點對點網路環境中的裝置同步
CN102572722B (zh) * 2012-01-19 2015-07-15 大唐移动通信设备有限公司 一种基于集群用户的消息传输方法和设备
US9651672B2 (en) * 2012-09-25 2017-05-16 Intel Corporation Systems and methods for time synchronization
US10003642B2 (en) * 2013-06-28 2018-06-19 Apple Inc. Operating a cluster of peer-to-peer devices
CN105792192B (zh) * 2016-02-25 2017-08-15 深圳普创天信科技发展有限公司 无线通信方法及系统
WO2020024199A1 (en) * 2018-08-02 2020-02-06 Texas Instruments Incorporated High speed flexled digital interface
FI129428B (en) 2019-09-18 2022-02-15 Wirepas Oy A decentralized synchronization solution for wireless communication networks

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101275548B1 (ko) 2010-09-13 2013-06-20 가부시키가이샤 엔티티 도코모 무선 시스템에서의 노드 및 무선 시스템에서 노드를 시간 및 주파수 동기화하기 위한 방법

Also Published As

Publication number Publication date
EP1673894A2 (en) 2006-06-28
EP1673894A4 (en) 2011-08-03
WO2005036801A3 (en) 2008-06-19
JP4637109B2 (ja) 2011-02-23
AU2004306745B2 (en) 2007-08-02
WO2005036801A2 (en) 2005-04-21
KR20060085673A (ko) 2006-07-27
CN101313499B (zh) 2011-03-16
JP2007521764A (ja) 2007-08-02
AU2004306745A1 (en) 2005-04-21
US20050079883A1 (en) 2005-04-14
CN101313499A (zh) 2008-11-26
US7366532B2 (en) 2008-04-29

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