KR101661435B1 - 무선 네트워크에서의 주파수 트래킹 루프들 - Google Patents

무선 네트워크에서의 주파수 트래킹 루프들 Download PDF

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Publication number
KR101661435B1
KR101661435B1 KR1020157009862A KR20157009862A KR101661435B1 KR 101661435 B1 KR101661435 B1 KR 101661435B1 KR 1020157009862 A KR1020157009862 A KR 1020157009862A KR 20157009862 A KR20157009862 A KR 20157009862A KR 101661435 B1 KR101661435 B1 KR 101661435B1
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South Korea
Prior art keywords
frequency tracking
tracking loop
channel frequency
shared channel
dedicated
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Expired - Fee Related
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KR1020157009862A
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English (en)
Korean (ko)
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KR20150058399A (ko
Inventor
다리오 페르토나니
인성 강
아모드 딘카르 칸데카르
치앙 선
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퀄컴 인코포레이티드
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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
    • 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
    • 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
    • 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

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  • 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)
KR1020157009862A 2012-09-21 2013-09-18 무선 네트워크에서의 주파수 트래킹 루프들 Expired - Fee Related KR101661435B1 (ko)

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
KR20150058399A KR20150058399A (ko) 2015-05-28
KR101661435B1 true KR101661435B1 (ko) 2016-09-29

Family

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Application Number Title Priority Date Filing Date
KR1020157009862A Expired - Fee Related KR101661435B1 (ko) 2012-09-21 2013-09-18 무선 네트워크에서의 주파수 트래킹 루프들

Country Status (6)

Country Link
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
US20040125862A1 (en) 2002-10-31 2004-07-01 Tao Li Pilot processing architecture
US20100067619A1 (en) 2008-09-17 2010-03-18 Harris Corporation Communications device using measured signal-to-noise ratio to adjust phase and frequency tracking

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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
JP2005523649A (ja) * 2002-04-19 2005-08-04 トムソン　ライセンシング　ソシエテ　アノニム テレビジョン受信機のチャネル捕捉処理
US6944422B2 (en) * 2003-04-18 2005-09-13 Motorola, Inc. Method and device for detecting an interference condition
CN1263322C (zh) * 2003-08-06 2006-07-05 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
KR100548416B1 (ko) * 2003-10-28 2006-02-02 엘지전자 주식회사 무선 프레임 동기화 방법
DE602004015929D1 (de) * 2004-03-23 2008-10-02 Infineon Technologies Ag Phasen- und Frequenzsynchronisationseinrichtung für OFDM-Empfänger unter Verwendung von einer Präambel, Piloten und Informationsdaten
US7643549B2 (en) * 2004-09-28 2010-01-05 Broadcom Corporation Wireless device having a hardware accelerator to support equalization processing
WO2006064423A1 (en) * 2004-12-13 2006-06-22 Koninklijke Philips Electronics N.V. Reception of a signal transmitted over a transmission link comprising coded channels
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
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
US20040125862A1 (en) 2002-10-31 2004-07-01 Tao Li Pilot processing architecture
US20100067619A1 (en) 2008-09-17 2010-03-18 Harris Corporation Communications device using measured signal-to-noise ratio to adjust phase and frequency tracking

Also Published As

Publication number Publication date
EP2898736A1 (en) 2015-07-29
JP2015536074A (ja) 2015-12-17
KR20150058399A (ko) 2015-05-28
CN104641701B (zh) 2019-04-02
CN104641701A (zh) 2015-05-20
JP6022695B2 (ja) 2016-11-09
EP2898736B1 (en) 2016-11-23
WO2014047213A1 (en) 2014-03-27
US9191953B2 (en) 2015-11-17
US20140086199A1 (en) 2014-03-27

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