CN102449928B - 用于以多个接收分集(rxd)搜索模式执行搜索的方法及设备 - Google Patents

用于以多个接收分集(rxd)搜索模式执行搜索的方法及设备 Download PDF

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Publication number
CN102449928B
CN102449928B CN201080022944.9A CN201080022944A CN102449928B CN 102449928 B CN102449928 B CN 102449928B CN 201080022944 A CN201080022944 A CN 201080022944A CN 102449928 B CN102449928 B CN 102449928B
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China
Prior art keywords
reception antenna
rxd
search pattern
search
rxd search
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Expired - Fee Related
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CN201080022944.9A
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English (en)
Chinese (zh)
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CN102449928A (zh
Inventor
安-斯沃·C·胡
吉特拉·朱塔
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Qualcomm Inc
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Qualcomm Inc
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Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
    • H04B7/0885—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity with combination
    • 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]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CN201080022944.9A 2009-05-29 2010-05-28 用于以多个接收分集(rxd)搜索模式执行搜索的方法及设备 Expired - Fee Related CN102449928B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18254409P 2009-05-29 2009-05-29
US61/182,544 2009-05-29
US12/789,263 US20100304744A1 (en) 2009-05-29 2010-05-27 Method and apparatus for performing searches with multiple receive diversity (rxd) search modes
US12/789,263 2010-05-27
PCT/US2010/036597 WO2010138829A2 (en) 2009-05-29 2010-05-28 Method and apparatus for performing searches with multiple receive diversity (rxd) search modes

Publications (2)

Publication Number Publication Date
CN102449928A CN102449928A (zh) 2012-05-09
CN102449928B true CN102449928B (zh) 2016-01-06

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CN201080022944.9A Expired - Fee Related CN102449928B (zh) 2009-05-29 2010-05-28 用于以多个接收分集(rxd)搜索模式执行搜索的方法及设备

Country Status (7)

Country Link
US (1) US20100304744A1 (enExample)
EP (1) EP2436124B1 (enExample)
JP (3) JP5442856B2 (enExample)
KR (2) KR101367338B1 (enExample)
CN (1) CN102449928B (enExample)
TW (1) TW201132026A (enExample)
WO (1) WO2010138829A2 (enExample)

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US9083415B2 (en) * 2011-10-24 2015-07-14 Qualcomm Incorporated Method and device for antenna searching with antenna selection
US9066257B2 (en) * 2012-04-12 2015-06-23 Intel Mobile Communications GmbH Correlation based cell search and measurement for LTE and LTE-A
US9432918B2 (en) 2012-11-13 2016-08-30 Qualcomm Incorporated Apparatus and methods of receive diversity (RXD) full cell search
CN103024872B (zh) * 2012-12-24 2016-06-29 华为技术有限公司 一种小区搜索方法和系统及终端设备
US9338671B2 (en) * 2013-08-09 2016-05-10 Qualcomm Incorporated Method and apparatus for handling primary scrambling codes
FR3009909A1 (fr) * 2013-08-23 2015-02-27 Bluwan Procede de traitement au niveau paquet des perturbations induites par la transmission
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DE102016207588A1 (de) * 2015-05-06 2016-11-10 Samsung Electronics Co., Ltd. Gerät und Verfahren für die Suche nach Zellen in einem drahtlosen Endgerät
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Also Published As

Publication number Publication date
WO2010138829A3 (en) 2011-03-10
JP5442856B2 (ja) 2014-03-12
KR20130124406A (ko) 2013-11-13
JP2013243686A (ja) 2013-12-05
TW201132026A (en) 2011-09-16
KR101367338B1 (ko) 2014-02-28
JP2015201866A (ja) 2015-11-12
KR101450295B1 (ko) 2014-10-22
US20100304744A1 (en) 2010-12-02
CN102449928A (zh) 2012-05-09
JP6147806B2 (ja) 2017-06-14
JP5868901B2 (ja) 2016-02-24
JP2012528544A (ja) 2012-11-12
EP2436124B1 (en) 2018-03-07
EP2436124A2 (en) 2012-04-04
WO2010138829A2 (en) 2010-12-02
KR20120089423A (ko) 2012-08-10

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