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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CN
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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    • 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 2010-05-27
US12/789,263 US20100304744A1 (en) 2009-05-29 2010-05-27 Method and apparatus for performing searches with multiple receive diversity (rxd) search modes
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

Family

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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 (https=)
EP (1) EP2436124B1 (https=)
JP (3) JP5442856B2 (https=)
KR (2) KR101450295B1 (https=)
CN (1) CN102449928B (https=)
TW (1) TW201132026A (https=)
WO (1) WO2010138829A2 (https=)

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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
US10349404B2 (en) * 2016-04-22 2019-07-09 Qualcomm Incorporated Discovery reference signal transmission and decoding and measurement techniques in a wireless communication system
US11381266B1 (en) * 2020-12-31 2022-07-05 Iridium Satellite Llc Wireless communication with interference mitigation
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Also Published As

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

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