JP4191487B2 - マージ保護を有したタイミング弁別器 - Google Patents

マージ保護を有したタイミング弁別器 Download PDF

Info

Publication number
JP4191487B2
JP4191487B2 JP2002572746A JP2002572746A JP4191487B2 JP 4191487 B2 JP4191487 B2 JP 4191487B2 JP 2002572746 A JP2002572746 A JP 2002572746A JP 2002572746 A JP2002572746 A JP 2002572746A JP 4191487 B2 JP4191487 B2 JP 4191487B2
Authority
JP
Japan
Prior art keywords
parameter
input signal
magnitude
slow
time
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.)
Expired - Fee Related
Application number
JP2002572746A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004523969A (ja
JP2004523969A5 (https=
Inventor
センドナリス、アンドリュー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2004523969A publication Critical patent/JP2004523969A/ja
Publication of JP2004523969A5 publication Critical patent/JP2004523969A5/ja
Application granted granted Critical
Publication of JP4191487B2 publication Critical patent/JP4191487B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B2001/70706—Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2002572746A 2001-03-12 2002-03-08 マージ保護を有したタイミング弁別器 Expired - Fee Related JP4191487B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US27525301P 2001-03-12 2001-03-12
US09/898,991 US6728303B2 (en) 2001-03-12 2001-07-03 Timing discriminator with merge protection
PCT/US2002/007351 WO2002073824A1 (en) 2001-03-12 2002-03-08 Timing discriminator with merge protection

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008101681A Division JP2008228328A (ja) 2001-03-12 2008-04-09 マージ保護を有したタイミング弁別器

Publications (3)

Publication Number Publication Date
JP2004523969A JP2004523969A (ja) 2004-08-05
JP2004523969A5 JP2004523969A5 (https=) 2005-12-22
JP4191487B2 true JP4191487B2 (ja) 2008-12-03

Family

ID=26957329

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2002572746A Expired - Fee Related JP4191487B2 (ja) 2001-03-12 2002-03-08 マージ保護を有したタイミング弁別器
JP2008101681A Pending JP2008228328A (ja) 2001-03-12 2008-04-09 マージ保護を有したタイミング弁別器

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2008101681A Pending JP2008228328A (ja) 2001-03-12 2008-04-09 マージ保護を有したタイミング弁別器

Country Status (6)

Country Link
US (1) US6728303B2 (https=)
EP (1) EP1368906A1 (https=)
JP (2) JP4191487B2 (https=)
KR (1) KR20030081503A (https=)
CN (1) CN1537363A (https=)
WO (1) WO2002073824A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7190750B2 (en) * 2002-02-28 2007-03-13 Qualcomm Incorporated Rake receiver for tracking closely spaced multipath
KR101033139B1 (ko) * 2010-09-07 2011-05-11 임기순 이중용기
EP3226427B1 (en) * 2014-11-27 2019-06-26 LG Electronics Inc. Rake receiver and receiving method thereof
US11038727B2 (en) * 2018-11-08 2021-06-15 Qualcomm Incorporated User equipment receiver processing for multi-transmit-receive-point communication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5978423A (en) 1996-02-02 1999-11-02 Telefoanktiebolaget Lm Ericsson Method and arrangement of signal tracking and a rake-receiver utilizing the arrangement
US5903308A (en) * 1996-08-26 1999-05-11 Ultrak, Inc. Phase compensation for video cameras
US5960040A (en) * 1996-12-05 1999-09-28 Raytheon Company Communication signal processors and methods
US6078611A (en) 1997-09-16 2000-06-20 Motorola, Inc. Rake receiver and finger management method for spread spectrum communication

Also Published As

Publication number Publication date
CN1537363A (zh) 2004-10-13
WO2002073824A1 (en) 2002-09-19
US6728303B2 (en) 2004-04-27
JP2004523969A (ja) 2004-08-05
JP2008228328A (ja) 2008-09-25
KR20030081503A (ko) 2003-10-17
US20020150186A1 (en) 2002-10-17
EP1368906A1 (en) 2003-12-10

Similar Documents

Publication Publication Date Title
EP2436212B1 (en) Movement sensor uses in communication systems
US7555034B2 (en) Apparatus and method for detecting timing error based on cyclic correlation
CN100423465C (zh) Rake接收机和rake接收机中控制多径延时的方法
CN101112002B (zh) 用于丰富多径条件中的路径选择的方法及系统
JP2008228328A (ja) マージ保護を有したタイミング弁別器
JP3948618B2 (ja) 電力制御コマンドの遅延時間を使用したｓｉｒの推定方法
CN101816126A (zh) 用于rf接收器装置的频率控制的相关驱动调整
US8779901B2 (en) Asymmetric RTT ranging with multipath correction
US7072428B2 (en) Method and apparatus for synchronization
JP4184264B2 (ja) 周波数ディスクリミネータ
JP4955017B2 (ja) パルス検出しきい値の調整及びパルス検出のための方法及び装置、並びに対応する受信機
US20100238906A1 (en) Transmission timing control system and method thereof, and base station using the same and mobile station
JP2002290279A (ja) 同期追従装置及び無線通信端末
EP1392010A1 (en) Transmission power control circuit using w-cdma method
US7684516B2 (en) Method and apparatus for improving signal reception in a receiver
KR100546597B1 (ko) 위상 정보를 이용한 도플러 주파수 추정 방법
JP2004523969A5 (https=)
EP1482652A1 (en) Triggering a path searcher
US10111181B2 (en) System and method for enhancing channel estimation at a receiver
HK1067252A (en) Timing discriminator with merge protection
JP2000261843A (ja) 同期タイミング切り替え制御方法、移動端末及び移動体通信システム
US9793946B2 (en) Rake receiver and receiving method thereof
JP2003318780A (ja) パス補足方法及びこの方法を利用するｃｄｍａ受信装置
JP2002280930A (ja) Ｃｄｍａ受信装置
EP1672808A1 (en) Selecting peak delay values for a RAKE receiver

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20031218

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050215

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050215

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070727

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070807

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071031

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071031

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20071211

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080409

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20080421

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080708

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080724

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080819

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080918

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110926

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees