CN101986633A - 通信方法和系统 - Google Patents
通信方法和系统 Download PDFInfo
- Publication number
- CN101986633A CN101986633A CN2010102390564A CN201010239056A CN101986633A CN 101986633 A CN101986633 A CN 101986633A CN 2010102390564 A CN2010102390564 A CN 2010102390564A CN 201010239056 A CN201010239056 A CN 201010239056A CN 101986633 A CN101986633 A CN 101986633A
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- CN
- China
- Prior art keywords
- pss
- frequency
- branch
- mfh
- mobile device
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
- H04L27/2657—Carrier synchronisation
-
- 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]
- H04J11/0086—Search parameters, e.g. search strategy, accumulation length, range of search, thresholds
-
- 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
- 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
- H04L27/2662—Symbol synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/510,901 US8401123B2 (en) | 2009-07-28 | 2009-07-28 | Method and system for increasing the accuracy of frequency offset estimation in multiple frequency hypothesis testing in an E-UTRA/LTE UE receiver |
US12/510,901 | 2009-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101986633A true CN101986633A (zh) | 2011-03-16 |
CN101986633B CN101986633B (zh) | 2013-11-06 |
Family
ID=43227635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010102390564A Active CN101986633B (zh) | 2009-07-28 | 2010-07-28 | 通信方法和系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8401123B2 (zh) |
EP (1) | EP2280518A2 (zh) |
CN (1) | CN101986633B (zh) |
HK (1) | HK1155582A1 (zh) |
TW (1) | TWI458298B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104081828A (zh) * | 2012-01-30 | 2014-10-01 | 诺基亚通信公司 | 用于支持灵活的物理广播信道和公共参考信号配置的信令机制 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4224105B2 (ja) * | 2007-01-19 | 2009-02-12 | 日本電波工業株式会社 | 信号処理部及び無線機 |
US8462647B2 (en) | 2009-07-28 | 2013-06-11 | Broadcom Corporation | Method and system for multiple frequency hypothesis testing with full synch acquisition in an E-UTRA/LTE UE receiver |
US8380151B2 (en) * | 2009-12-18 | 2013-02-19 | Broadcom Corporation | Method and system for reducing the complexity of multi-frequency hypothesis testing using an iterative approach |
US8369279B2 (en) * | 2010-03-10 | 2013-02-05 | Broadcom Corporation | Method and system for iterative multiple frequency hypothesis testing with cell-ID detection in an E-UTRA/LTE UE receiver |
US8917704B2 (en) | 2009-12-18 | 2014-12-23 | Broadcom Corporation | Method and system for automatically rescaling an accumulation buffer in synchronization systems |
WO2011100583A2 (en) * | 2010-02-12 | 2011-08-18 | Yitran Communications Ltd. | Digital communication system for use in high noise channels |
US9461766B2 (en) * | 2012-03-09 | 2016-10-04 | Lg Electronics Inc. | Method and apparatus for setting reference signal |
US8897701B2 (en) * | 2012-06-19 | 2014-11-25 | Intel Corporation | Efficient method to overcome frequency errors within four time slots |
US8879679B2 (en) * | 2012-08-27 | 2014-11-04 | Motorola Mobility Llc | Frequency offset compensation improvement for a long term evolution (LTE) searcher |
US9451569B1 (en) * | 2012-09-18 | 2016-09-20 | Marvell International Ltd. | Systems and methods for detecting a primary synchronization signal in a wireless communication system |
TWI520545B (zh) * | 2012-09-26 | 2016-02-01 | 蘋果公司 | 用於在單一無線電lte裝置中同時接收lte及1x之方法 |
KR20150082218A (ko) * | 2012-11-05 | 2015-07-15 | 엘지전자 주식회사 | 초고주파 대역을 지원하는 무선 접속 시스템에서 동기 신호 생성 방법 및 장치 |
US9479218B2 (en) * | 2013-04-22 | 2016-10-25 | Mediatek Singapore Pte Ltd. | Methods for LTE cell search with large frequency offset |
US9479298B2 (en) * | 2013-07-08 | 2016-10-25 | Intel IP Corporation | Demodulation reference signals (DMRS)for side information for interference cancellation |
US9888450B2 (en) * | 2014-12-16 | 2018-02-06 | Lg Electronics Inc. | Method and apparatus for detecting synchronization signal in wireless communication system |
KR20160082095A (ko) * | 2014-12-30 | 2016-07-08 | 주식회사 쏠리드 | 이동통신신호 및 서비스 주파수 대역 검출 장치 |
CN104717169B (zh) * | 2015-01-19 | 2018-03-09 | 厦门特力通信息技术有限公司 | 一种lte‑tdd频偏校正装置和方法 |
US9985671B2 (en) * | 2016-01-15 | 2018-05-29 | Avago Technologies General Ip (Singapore) Pte. Ltd. | System, device, and method for improving radio performance |
CN107734633A (zh) * | 2016-08-12 | 2018-02-23 | 北京信威通信技术股份有限公司 | 一种传输同步信号的方法及装置 |
CN111107028B (zh) * | 2019-12-24 | 2022-04-12 | 重庆邮电大学 | 一种5g系统基于pss与sss联合的频偏估计方法 |
TWI772843B (zh) * | 2020-07-15 | 2022-08-01 | 優達科技股份有限公司 | 分散式同步系統 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080019350A1 (en) * | 2005-07-21 | 2008-01-24 | Onggosanusi Eko N | Downlink synchronization for a cellular ofdm communication system |
WO2008042874A2 (en) * | 2006-10-03 | 2008-04-10 | Qualcomm Incorporated | Method and apparatus for processing primary and secondary synchronization signals for wireless communication |
US20080090600A1 (en) * | 2003-01-23 | 2008-04-17 | Interdigital Technology Corporation | Unsuitable cell exclusion in wireless communication systems |
US20090041162A1 (en) * | 2007-08-10 | 2009-02-12 | Qualcomm, Incorporated | Searcher for multiple orthogonal channels with known data wcdma step2 search |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10001854A1 (de) | 2000-01-18 | 2001-08-02 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Ermittlung der Trägerfrequenz von Basisstationen im mobilen Empfänger eines mit W-CDMA arbeitenden zellularen Mobilfunksystems |
GB2367212B (en) | 2000-09-20 | 2004-07-07 | Nec Technologies | Evaluation of UMTS mobile receiver reference |
GB2379840A (en) * | 2001-09-13 | 2003-03-19 | Ipwireless Inc | Automatic frequency correction |
US7075948B2 (en) * | 2002-05-22 | 2006-07-11 | Stmicroelectronics, Inc. | Frequency offset estimator |
US20040062298A1 (en) | 2002-10-01 | 2004-04-01 | Mcdonough John G. | System and method for detecting direct sequence spread spectrum signals using pipelined vector processing |
US7386069B2 (en) | 2004-04-26 | 2008-06-10 | Skyworks Solutions, Inc. | Multiple simultaneous frequency and code acquisition for a code division multiple access (CDMA) communication system |
US7990932B2 (en) | 2005-08-23 | 2011-08-02 | Nokia Corporation | Apparatus, method and computer program product providing initial cell acquisition and pilot sequence detection |
KR100827064B1 (ko) | 2006-01-18 | 2008-05-02 | 삼성전자주식회사 | Ofdm 기반 셀룰러 무선통신시스템의 동기 신호 송신 방법 및 장치 |
US7675999B2 (en) | 2006-03-16 | 2010-03-09 | Intel Corporation | Multicarrier receiver and method with phase noise reduced signal |
US8014424B2 (en) | 2007-06-25 | 2011-09-06 | Qualcomm Incorporated | Method and apparatus for using an unique index set for PSC sequence in a wireless communication system |
US7885319B2 (en) | 2007-08-01 | 2011-02-08 | Broadcom Corporation | Multiple branch PSYNC detection module |
US7885237B2 (en) | 2007-08-01 | 2011-02-08 | Broadcom Corporation | Cell search operations using multibranch PSYNC detection module |
US8059767B2 (en) | 2007-12-12 | 2011-11-15 | Harris Corporation | Communications device and related method that detects symbol timing |
US8189720B2 (en) | 2008-11-21 | 2012-05-29 | Telefonaktiebolaget L M Ericsson (Publ) | Blind frequency-offset estimation for temporally and/or spatially correlated signal |
US8243775B2 (en) | 2008-12-18 | 2012-08-14 | Qualcomm Incorporated | ID-cell index search algorithm and carrier frequency offset estimation |
US8369279B2 (en) | 2010-03-10 | 2013-02-05 | Broadcom Corporation | Method and system for iterative multiple frequency hypothesis testing with cell-ID detection in an E-UTRA/LTE UE receiver |
US8462647B2 (en) | 2009-07-28 | 2013-06-11 | Broadcom Corporation | Method and system for multiple frequency hypothesis testing with full synch acquisition in an E-UTRA/LTE UE receiver |
ATE529992T1 (de) | 2009-07-28 | 2011-11-15 | Ericsson Telefon Ab L M | Technik zur bestimmung eines frequenz-offsets |
US8380151B2 (en) | 2009-12-18 | 2013-02-19 | Broadcom Corporation | Method and system for reducing the complexity of multi-frequency hypothesis testing using an iterative approach |
-
2009
- 2009-07-28 US US12/510,901 patent/US8401123B2/en not_active Expired - Fee Related
-
2010
- 2010-07-23 EP EP10007698A patent/EP2280518A2/en not_active Withdrawn
- 2010-07-28 CN CN2010102390564A patent/CN101986633B/zh active Active
- 2010-07-28 TW TW099124832A patent/TWI458298B/zh not_active IP Right Cessation
-
2011
- 2011-09-09 HK HK11109551.9A patent/HK1155582A1/xx not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080090600A1 (en) * | 2003-01-23 | 2008-04-17 | Interdigital Technology Corporation | Unsuitable cell exclusion in wireless communication systems |
US20080019350A1 (en) * | 2005-07-21 | 2008-01-24 | Onggosanusi Eko N | Downlink synchronization for a cellular ofdm communication system |
WO2008042874A2 (en) * | 2006-10-03 | 2008-04-10 | Qualcomm Incorporated | Method and apparatus for processing primary and secondary synchronization signals for wireless communication |
US20090041162A1 (en) * | 2007-08-10 | 2009-02-12 | Qualcomm, Incorporated | Searcher for multiple orthogonal channels with known data wcdma step2 search |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104081828A (zh) * | 2012-01-30 | 2014-10-01 | 诺基亚通信公司 | 用于支持灵活的物理广播信道和公共参考信号配置的信令机制 |
Also Published As
Publication number | Publication date |
---|---|
US20110026648A1 (en) | 2011-02-03 |
TWI458298B (zh) | 2014-10-21 |
EP2280518A2 (en) | 2011-02-02 |
US8401123B2 (en) | 2013-03-19 |
HK1155582A1 (en) | 2012-05-18 |
TW201125320A (en) | 2011-07-16 |
CN101986633B (zh) | 2013-11-06 |
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Effective date of registration: 20170307 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: 16215 Alton Park Road, Irvine, California, 92618-7013 Patentee before: Zyray Wireless Inc. |
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