ZA200904715B - Cell searching system and method - Google Patents

Cell searching system and method

Info

Publication number
ZA200904715B
ZA200904715B ZA200904715A ZA200904715A ZA200904715B ZA 200904715 B ZA200904715 B ZA 200904715B ZA 200904715 A ZA200904715 A ZA 200904715A ZA 200904715 A ZA200904715 A ZA 200904715A ZA 200904715 B ZA200904715 B ZA 200904715B
Authority
ZA
South Africa
Prior art keywords
searching system
cell searching
cell
searching
Prior art date
Application number
ZA200904715A
Other languages
English (en)
Inventor
Bengt Lindoff
Erik Dahlman
Robert Baldemair
Stefan Parkvall
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
Publication of ZA200904715B publication Critical patent/ZA200904715B/xx

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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
ZA200904715A 2007-01-31 2008-01-30 Cell searching system and method ZA200904715B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88745607P 2007-01-31 2007-01-31

Publications (1)

Publication Number Publication Date
ZA200904715B true ZA200904715B (en) 2010-09-29

Family

ID=39667884

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200904715A ZA200904715B (en) 2007-01-31 2008-01-30 Cell searching system and method

Country Status (9)

Country Link
US (2) US8009661B2 (ko)
EP (1) EP2115880B1 (ko)
KR (1) KR20090112679A (ko)
CN (1) CN101601194B (ko)
CA (1) CA2675838C (ko)
HK (1) HK1132854A1 (ko)
TW (1) TW200838342A (ko)
WO (1) WO2008092880A1 (ko)
ZA (1) ZA200904715B (ko)

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US8676133B2 (en) * 2008-09-19 2014-03-18 Qualcomm Incorporated Reference signal design for LTE A
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US9660775B2 (en) * 2010-06-15 2017-05-23 Huawei Technologies Co., Ltd. System and method for punctured pilot transmission in a wireless network
CN102075237A (zh) * 2010-12-23 2011-05-25 大唐移动通信设备有限公司 主同步信号的搜索方法及设备
CN102075946A (zh) * 2011-01-11 2011-05-25 大唐移动通信设备有限公司 一种物理小区id规划方法及装置
US9014169B2 (en) * 2011-03-10 2015-04-21 Telefonaktiebolaget L M Ericsson (Publ) Cell search procedure for heterogeneous networks
CN102905345B (zh) * 2011-07-26 2014-11-12 开曼晨星半导体公司 一种lte小区验证方法
EP2810490A4 (en) * 2012-02-03 2015-12-02 Nokia Technologies Oy METHOD AND APPARATUS FOR MANAGING CARRIERS
US9184889B2 (en) * 2012-08-08 2015-11-10 Blackberry Limited Method and system having reference signal design for new carrier types
US9402256B2 (en) 2012-08-08 2016-07-26 Blackberry Limited Method and system having reference signal design for new carrier types
CN103781170B (zh) * 2012-10-19 2017-06-23 电信科学技术研究院 信号发送和设备识别方法及设备
ES2882220T3 (es) 2013-01-18 2021-12-01 Huawei Tech Co Ltd Método de detección y aparato para un canal de control común
US9571242B2 (en) * 2013-04-26 2017-02-14 Intel Deutschland Gmbh Methods and devices for mitigating interference
CN104956598B (zh) * 2013-05-08 2017-06-27 华为技术有限公司 一种信息检测及发送的方法及装置
WO2015093821A1 (en) * 2013-12-16 2015-06-25 Samsung Electronics Co., Ltd. Method and system for enhanced cell acquisition in communication system
CN106061572A (zh) 2014-01-24 2016-10-26 华为技术有限公司 信息传输的方法、用户设备及基站
CN106464399B (zh) * 2014-04-17 2018-11-30 瑞典爱立信有限公司 干扰消除技术
US9615342B2 (en) * 2015-01-27 2017-04-04 Telefonaktiebolaget Lm Ericsson (Publ) Method of detecting cell identity and frame number information
US10542507B2 (en) * 2015-03-13 2020-01-21 Qualcomm Incorporated Discovery and synchronization channels for user-tracking zones in a cellular network
CN106034345B (zh) 2015-04-17 2021-02-09 索尼公司 终端侧、基站侧设备，终端设备，基站和无线通信方法
KR102332471B1 (ko) 2015-05-08 2021-11-30 삼성전자주식회사 동기 신호 검출을 위한 장치 및 방법
EP3562086B1 (en) * 2016-11-02 2021-06-30 Telefonaktiebolaget LM Ericsson (publ) Search space monitoring in wireless communication systems
US20180124830A1 (en) * 2016-11-03 2018-05-03 Huawei Technologies Co., Ltd. Random access channel design, methods, and apparatus
CN108270709B (zh) * 2016-12-30 2020-05-05 维沃移动通信有限公司 一种同步信号配置方法、基站及终端
WO2018146293A1 (en) 2017-02-13 2018-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive mobility reference signal configuration
CN109150469B (zh) * 2017-06-16 2023-12-15 华为技术有限公司 参考信号指示方法、参考信号确定方法及设备
CN109219948B (zh) * 2017-08-11 2020-01-03 华为技术有限公司 一种信号处理方法及装置
CN109391577B (zh) 2017-08-11 2021-08-13 华为技术有限公司 一种信号处理方法及装置

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Also Published As

Publication number Publication date
WO2008092880A1 (en) 2008-08-07
CN101601194A (zh) 2009-12-09
CA2675838A1 (en) 2008-08-07
EP2115880B1 (en) 2013-04-24
KR20090112679A (ko) 2009-10-28
EP2115880A1 (en) 2009-11-11
HK1132854A1 (en) 2010-03-05
CN101601194B (zh) 2012-12-26
US8670384B2 (en) 2014-03-11
US20080181194A1 (en) 2008-07-31
US8009661B2 (en) 2011-08-30
US20110244850A1 (en) 2011-10-06
TW200838342A (en) 2008-09-16
CA2675838C (en) 2015-03-17

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