CN104641701B - 无线网络中的频率跟踪环路 - Google Patents

无线网络中的频率跟踪环路 Download PDF

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Publication number
CN104641701B
CN104641701B CN201380048885.6A CN201380048885A CN104641701B CN 104641701 B CN104641701 B CN 104641701B CN 201380048885 A CN201380048885 A CN 201380048885A CN 104641701 B CN104641701 B CN 104641701B
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China
Prior art keywords
loop
channel frequency
shared channel
dedicated channel
lock loop
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CN201380048885.6A
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English (en)
Chinese (zh)
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CN104641701A (zh
Inventor
D·费尔托纳尼
I·康
A·D·坎得尔卡
Q·沈
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
CN201380048885.6A 2012-09-21 2013-09-18 无线网络中的频率跟踪环路 Active CN104641701B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261704311P 2012-09-21 2012-09-21
US61/704,311 2012-09-21
US14/029,409 2013-09-17
US14/029,409 US9191953B2 (en) 2012-09-21 2013-09-17 Frequency tracking loops in wireless network
PCT/US2013/060465 WO2014047213A1 (en) 2012-09-21 2013-09-18 Frequency tracking loops in wireless network

Publications (2)

Publication Number Publication Date
CN104641701A CN104641701A (zh) 2015-05-20
CN104641701B true CN104641701B (zh) 2019-04-02

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CN201380048885.6A Active CN104641701B (zh) 2012-09-21 2013-09-18 无线网络中的频率跟踪环路

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US (1) US9191953B2 (enExample)
EP (1) EP2898736B1 (enExample)
JP (1) JP6022695B2 (enExample)
KR (1) KR101661435B1 (enExample)
CN (1) CN104641701B (enExample)
WO (1) WO2014047213A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11038727B2 (en) * 2018-11-08 2021-06-15 Qualcomm Incorporated User equipment receiver processing for multi-transmit-receive-point communication
US11457464B2 (en) * 2019-09-20 2022-09-27 Qualcomm Incorporated Carrier-group based cross-slot scheduling adaptation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1581999A (zh) * 2003-08-06 2005-02-16 大唐移动通信设备有限公司 Td－scdma移动通信系统小区初始搜索中的增益控制方法
CN1674573A (zh) * 2004-03-23 2005-09-28 因芬尼昂技术股份公司 正交频分复用接收器中的跟踪系统

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US6278699B1 (en) * 1998-06-22 2001-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization techniques and systems for spread spectrum radiocommunication
US6665539B2 (en) * 1998-09-09 2003-12-16 Qualcomm Inc. Position location with low tolerance oscillator
GB2347286B (en) 1999-02-26 2001-04-18 Motorola Ltd Frequency tracking loop and method of frequency tracking
US6985432B1 (en) 2000-01-28 2006-01-10 Zion Hadad OFDM communication channel
US6370182B2 (en) * 2000-02-10 2002-04-09 Itt Manufacturing Enterprises, Inc. Integrated beamforming/rake/mud CDMA receiver architecture
DE10008653A1 (de) 2000-02-24 2001-09-06 Siemens Ag Verbesserungen an einem Funkkommunikationssystem
GB2384665B (en) * 2002-01-25 2004-11-17 Toshiba Res Europ Ltd Reciever processing systems
CN100589537C (zh) * 2002-04-19 2010-02-10 汤姆森特许公司 电视接收机的频道获取方法和装置
US20040125862A1 (en) 2002-10-31 2004-07-01 Tao Li Pilot processing architecture
US6944422B2 (en) * 2003-04-18 2005-09-13 Motorola, Inc. Method and device for detecting an interference condition
KR100548416B1 (ko) * 2003-10-28 2006-02-02 엘지전자 주식회사 무선 프레임 동기화 방법
US7643549B2 (en) * 2004-09-28 2010-01-05 Broadcom Corporation Wireless device having a hardware accelerator to support equalization processing
JP4815565B2 (ja) * 2004-12-13 2011-11-16 エスティー‐エリクソン、ソシエテ、アノニム 符号化チャネルを備える送信リンクを通じて送信される信号の受信
US8401503B2 (en) 2005-03-01 2013-03-19 Qualcomm Incorporated Dual-loop automatic frequency control for wireless communication
CN1905428B (zh) * 2005-07-25 2010-08-18 上海原动力通信科技有限公司 一种具有低时延特性的时分双工移动通信系统的传输方法
US8565324B2 (en) * 2008-09-17 2013-10-22 Harris Corporation Communications device using measured signal-to-noise ratio to adjust phase and frequency tracking
US8625724B2 (en) 2009-03-10 2014-01-07 Qualcomm Incorporated Adaptive tracking steps for time and frequency tracking loops
US9401784B2 (en) * 2009-10-21 2016-07-26 Qualcomm Incorporated Time and frequency acquisition and tracking for OFDMA wireless systems
US20110319045A1 (en) * 2010-05-05 2011-12-29 Wenjun Li Linear interference cancellation receiver
US9178578B2 (en) * 2011-01-10 2015-11-03 Qualcomm Incorporated Master-slave architecture in a closed loop transmit diversity scheme

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1581999A (zh) * 2003-08-06 2005-02-16 大唐移动通信设备有限公司 Td－scdma移动通信系统小区初始搜索中的增益控制方法
CN1674573A (zh) * 2004-03-23 2005-09-28 因芬尼昂技术股份公司 正交频分复用接收器中的跟踪系统

Also Published As

Publication number Publication date
JP2015536074A (ja) 2015-12-17
EP2898736B1 (en) 2016-11-23
WO2014047213A1 (en) 2014-03-27
CN104641701A (zh) 2015-05-20
JP6022695B2 (ja) 2016-11-09
KR101661435B1 (ko) 2016-09-29
KR20150058399A (ko) 2015-05-28
EP2898736A1 (en) 2015-07-29
US20140086199A1 (en) 2014-03-27
US9191953B2 (en) 2015-11-17

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