TWI371177B - Method and system for delay locked loop for rake receiver - Google Patents

Method and system for delay locked loop for rake receiver

Info

Publication number
TWI371177B
TWI371177B TW096145604A TW96145604A TWI371177B TW I371177 B TWI371177 B TW I371177B TW 096145604 A TW096145604 A TW 096145604A TW 96145604 A TW96145604 A TW 96145604A TW I371177 B TWI371177 B TW I371177B
Authority
TW
Taiwan
Prior art keywords
locked loop
rake receiver
delay locked
delay
rake
Prior art date
Application number
TW096145604A
Other languages
English (en)
Other versions
TW200929905A (en
Inventor
Kong Hongwei
Zeng Huaiyu
Fung Chang Li
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Publication of TW200929905A publication Critical patent/TW200929905A/zh
Application granted granted Critical
Publication of TWI371177B publication Critical patent/TWI371177B/zh

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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
TW096145604A 2006-12-01 2007-11-30 Method and system for delay locked loop for rake receiver TWI371177B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56620806A 2006-12-01 2006-12-01
US11/610,744 US8275082B2 (en) 2006-12-01 2006-12-14 Method and system for delay locked loop for rake receiver

Publications (2)

Publication Number Publication Date
TW200929905A TW200929905A (en) 2009-07-01
TWI371177B true TWI371177B (en) 2012-08-21

Family

ID=39145120

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096145604A TWI371177B (en) 2006-12-01 2007-11-30 Method and system for delay locked loop for rake receiver

Country Status (6)

Country Link
US (2) US8275082B2 (zh)
EP (1) EP1928101A1 (zh)
KR (1) KR100955303B1 (zh)
CN (1) CN101207419B (zh)
HK (1) HK1120674A1 (zh)
TW (1) TWI371177B (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8275082B2 (en) 2006-12-01 2012-09-25 Broadcom Corporation Method and system for delay locked loop for rake receiver
US8000425B2 (en) * 2006-12-29 2011-08-16 Texas Instruments Incorporated Methods and apparatus to provide clock resynchronization in communication networks
US7953140B2 (en) * 2007-08-01 2011-05-31 Broadcom Corporation Method and apparatus to process dedicated pilot bits from multiple fingers
US8831158B2 (en) * 2012-03-29 2014-09-09 Broadcom Corporation Synchronous mode tracking of multipath signals
CN105099461B (zh) * 2014-05-15 2018-05-25 南京理工大学 一种多带信号正交压缩采样方法及系统
CN105471779B (zh) * 2015-12-08 2018-08-31 扬智科技股份有限公司 校正方法及校正电路
US9985650B2 (en) * 2016-05-04 2018-05-29 Texas Instruments Incorporated Digital down converter

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CN1082292C (zh) * 1994-02-16 2002-04-03 东芝株式会社 采样相位同步装置及所用的双向最大似然序列估计方式
US5852630A (en) * 1997-07-17 1998-12-22 Globespan Semiconductor, Inc. Method and apparatus for a RADSL transceiver warm start activation procedure with precoding
US6822999B1 (en) * 1999-11-13 2004-11-23 Lg Electronics Inc. High-speed cell searching apparatus and method for communication system
JP2002118496A (ja) * 2000-10-06 2002-04-19 Hitachi Kokusai Electric Inc セルサーチ判定回路
US6456648B1 (en) * 2001-10-01 2002-09-24 Interdigital Technology Corporation Code tracking loop with automatic power normalization
US7006557B2 (en) * 2002-01-31 2006-02-28 Qualcomm Incorporated Time tracking loop for diversity pilots
US7154872B2 (en) * 2002-04-26 2006-12-26 Lucent Technologies Inc. Method and system for tracking and correcting timing errors in communication systems
US6795452B2 (en) * 2002-05-31 2004-09-21 Sandbridge Technologies, Inc. Method of tracking time intervals for a communication signal
KR100630112B1 (ko) * 2002-07-09 2006-09-27 삼성전자주식회사 이동통신시스템의 적응형 채널 추정장치 및 방법
US7630321B2 (en) * 2002-09-10 2009-12-08 Qualcomm Incorporated System and method for rate assignment
CN100492937C (zh) * 2002-12-27 2009-05-27 Nxp股份有限公司 具有多天线的移动终端及其方法
US7310365B2 (en) 2003-10-31 2007-12-18 Texas Instruments Incorporated Group decision rule in code tracking using a delay lock loop (DLL)
KR20050066562A (ko) 2003-12-26 2005-06-30 삼성전자주식회사 직교 주파수 분할 다중화 방식의 무선 통신 시스템에서의프레임 프리앰블 구성 방법 및 그 프리앰블을 이용한프레임 동기 획득 및 셀 검색 방법
US7369632B2 (en) * 2005-01-28 2008-05-06 Nokia Corporation Diversity-mode delay lock loop circuit and associated method for a radio receiver
US7720179B2 (en) * 2005-05-27 2010-05-18 Marvell World Trade Ltd. Method for timing detection
EP1895683B1 (en) * 2005-06-17 2018-07-18 NEC Corporation Communication control method, communication control system and control program thereof
US7639995B2 (en) * 2005-06-24 2009-12-29 Agere Systems Inc. Reconfigurable communications circuit operable with data channel and control channel
JP4594822B2 (ja) * 2005-08-09 2010-12-08 株式会社エヌ・ティ・ティ・ドコモ 受信装置、移動通信システムにおける通信制御方法
US7733988B2 (en) * 2005-10-28 2010-06-08 Alcatel-Lucent Usa Inc. Multiframe control channel detection for enhanced dedicated channel
US7751466B2 (en) * 2006-02-10 2010-07-06 Broadcom Corporation Channel estimation for a high-speed data packet access rake receiver
EP2003789B1 (en) * 2006-03-31 2016-05-18 Fujitsu Limited Cdma receiver and cdma receiving method
US20080056170A1 (en) * 2006-08-14 2008-03-06 Nokia Corporation Reduced performance mode when receiving a common control channel
US7697596B2 (en) * 2006-09-21 2010-04-13 Broadcom Corporation Cluster path processor time alignment for signal suppression/separation in a wireless device
US8275082B2 (en) 2006-12-01 2012-09-25 Broadcom Corporation Method and system for delay locked loop for rake receiver

Also Published As

Publication number Publication date
CN101207419B (zh) 2012-08-29
CN101207419A (zh) 2008-06-25
KR100955303B1 (ko) 2010-04-29
HK1120674A1 (en) 2009-04-03
US20130010906A1 (en) 2013-01-10
TW200929905A (en) 2009-07-01
US8526556B2 (en) 2013-09-03
KR20080050353A (ko) 2008-06-05
EP1928101A1 (en) 2008-06-04
US8275082B2 (en) 2012-09-25
US20080130809A1 (en) 2008-06-05

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees