BRPI0917340A2 - estimativa de piloto sdma de uplink - Google Patents

estimativa de piloto sdma de uplink

Info

Publication number
BRPI0917340A2
BRPI0917340A2 BRPI0917340A BRPI0917340A BRPI0917340A2 BR PI0917340 A2 BRPI0917340 A2 BR PI0917340A2 BR PI0917340 A BRPI0917340 A BR PI0917340A BR PI0917340 A BRPI0917340 A BR PI0917340A BR PI0917340 A2 BRPI0917340 A2 BR PI0917340A2
Authority
BR
Brazil
Prior art keywords
uplink sdma
pilot estimate
sdma pilot
estimate
uplink
Prior art date
Application number
BRPI0917340A
Other languages
English (en)
Inventor
Didier Johannes Richard Van Nee
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 BRPI0917340A2 publication Critical patent/BRPI0917340A2/pt

Links

Classifications

    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria
    • 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BRPI0917340A 2008-08-20 2009-08-17 estimativa de piloto sdma de uplink BRPI0917340A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9036108P 2008-08-20 2008-08-20
US12/349,713 US8654911B2 (en) 2008-08-20 2009-01-07 Uplink SDMA pilot estimation
PCT/US2009/054090 WO2010022007A2 (en) 2008-08-20 2009-08-17 Uplink sdma pilot estimation

Publications (1)

Publication Number Publication Date
BRPI0917340A2 true BRPI0917340A2 (pt) 2015-11-17

Family

ID=41696394

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0917340A BRPI0917340A2 (pt) 2008-08-20 2009-08-17 estimativa de piloto sdma de uplink

Country Status (10)

Country Link
US (1) US8654911B2 (pt)
EP (1) EP2329628A2 (pt)
JP (1) JP2012500588A (pt)
KR (1) KR101239259B1 (pt)
CN (1) CN102124709A (pt)
BR (1) BRPI0917340A2 (pt)
CA (1) CA2733014A1 (pt)
RU (1) RU2011110379A (pt)
TW (1) TW201108845A (pt)
WO (1) WO2010022007A2 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4666094B2 (ja) * 2009-07-10 2011-04-06 セイコーエプソン株式会社 脈流発生装置および医療機器、脈流発生装置の制御方法
CN101707582A (zh) * 2009-11-05 2010-05-12 东南大学 基于多相分解的多天线信道估计方法
EP2673892A4 (en) 2011-02-07 2016-09-14 Intel Corp COPHASING EMISSIONS FROM MULTIPLE INFRASTRUCTURE N UDS
JP5616319B2 (ja) * 2011-12-12 2014-10-29 日本電信電話株式会社 基地局装置、無線通信方法、及び無線通信システム
CN103546399B (zh) * 2012-07-17 2016-12-21 京信通信系统（中国）有限公司 一种信道估计方法及装置
US9246727B2 (en) 2014-03-25 2016-01-26 Mitre Corporation Reception of phase-shifted signal sequences in diversity reception
US9054926B1 (en) * 2014-03-25 2015-06-09 Mitre Corporation Reception of phase-shifted signal sequences in diversity reception
CN106301662A (zh) * 2015-05-14 2017-01-04 株式会社Ntt都科摩 数据发送和接收方法以及数据发送和接收设备
CN105162265A (zh) * 2015-09-15 2015-12-16 华南理工大学 一种基于多天线接收的无线电磁波能量采集装置与方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1167215C (zh) * 1994-06-23 2004-09-15 Ntt移动通信网株式会社 码分多址联接解调方法
DK1635525T3 (da) * 2000-01-07 2007-12-10 Interdigital Tech Corp Kanalestimering for time division duplex kommunikationssystemer
SG108240A1 (en) * 2000-02-23 2005-01-28 Ntt Docomo Inc Multi-carrier cdma radio transmitting method and apparatus, and channel estimation method and apparatus for multi-carrier cdma radio transmitting system
KR100530262B1 (ko) 2003-12-27 2005-11-22 한국전자통신연구원 무선 랜 시스템의 위상잡음 제거 장치 및 그 방법
EP1782594A1 (en) 2004-08-20 2007-05-09 NTT DoCoMo, Inc. Apparatus and method for reducing a phase drift
JP4255916B2 (ja) 2005-01-04 2009-04-22 日本電信電話株式会社 マルチキャリア信号復調回路およびマルチキャリア信号復調方法
JP4789678B2 (ja) 2005-04-04 2011-10-12 パナソニック株式会社 Ｏｆｄｍ受信方法及びｏｆｄｍ受信装置
US7558223B2 (en) * 2005-04-04 2009-07-07 Panasonic Corporation OFDM receiving method of OFDM receiver for receiving an OFDM signal via a plurality of space paths
US20070070877A1 (en) * 2005-09-27 2007-03-29 Thomas Sun Modulation type determination for evaluation of transmitter performance
US7539272B2 (en) * 2005-11-30 2009-05-26 Freescale Semiconductor, Inc. Frequency error estimation and correction in a SAIC linear equalizer
US8019036B2 (en) 2006-03-07 2011-09-13 Interdigital Technology Corporation Method and apparatus for correcting sampler clock frequency offset in OFDM MIMO systems
US20070218910A1 (en) * 2006-03-15 2007-09-20 Motorola, Inc. Dynamic beam steering of backhaul traffic
JP5221518B2 (ja) 2006-04-13 2013-06-26 クゥアルコム・インコーポレイテッド Ｍｉｍｏｏｆｄｍにおけるクロック補正のための方法および装置

Also Published As

Publication number Publication date
US20100046681A1 (en) 2010-02-25
CN102124709A (zh) 2011-07-13
WO2010022007A3 (en) 2010-09-23
RU2011110379A (ru) 2012-09-27
KR20110081952A (ko) 2011-07-15
TW201108845A (en) 2011-03-01
JP2012500588A (ja) 2012-01-05
EP2329628A2 (en) 2011-06-08
US8654911B2 (en) 2014-02-18
WO2010022007A2 (en) 2010-02-25
CA2733014A1 (en) 2010-02-25
KR101239259B1 (ko) 2013-03-06

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]