DE602005015551D1 - Kanalanpassung unter Verwendung von Kanalmessungsreferenzsignalen mit variablen Raten - Google Patents

Kanalanpassung unter Verwendung von Kanalmessungsreferenzsignalen mit variablen Raten

Info

Publication number
DE602005015551D1
DE602005015551D1 DE602005015551T DE602005015551T DE602005015551D1 DE 602005015551 D1 DE602005015551 D1 DE 602005015551D1 DE 602005015551 T DE602005015551 T DE 602005015551T DE 602005015551 T DE602005015551 T DE 602005015551T DE 602005015551 D1 DE602005015551 D1 DE 602005015551D1
Authority
DE
Germany
Prior art keywords
channel
sta
channel sounding
reference signals
measurement reference
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.)
Active
Application number
DE602005015551T
Other languages
English (en)
Inventor
Eric Jacobsen
Shahrnaz Azizi
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.)
Intel Corp
Original Assignee
Intel 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 Intel Corp filed Critical Intel Corp
Publication of DE602005015551D1 publication Critical patent/DE602005015551D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE602005015551T 2004-01-30 2005-01-14 Kanalanpassung unter Verwendung von Kanalmessungsreferenzsignalen mit variablen Raten Active DE602005015551D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/769,414 US7280804B2 (en) 2004-01-30 2004-01-30 Channel adaptation using variable sounding signal rates
PCT/US2005/001283 WO2005076559A1 (en) 2004-01-30 2005-01-14 Channel adaptation using variable sounding signal rates

Publications (1)

Publication Number Publication Date
DE602005015551D1 true DE602005015551D1 (de) 2009-09-03

Family

ID=34808124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005015551T Active DE602005015551D1 (de) 2004-01-30 2005-01-14 Kanalanpassung unter Verwendung von Kanalmessungsreferenzsignalen mit variablen Raten

Country Status (7)

Country Link
US (1) US7280804B2 (de)
EP (1) EP1719315B1 (de)
AT (1) ATE437510T1 (de)
DE (1) DE602005015551D1 (de)
MY (1) MY149721A (de)
TW (1) TWI313549B (de)
WO (1) WO2005076559A1 (de)

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US7299070B2 (en) * 2004-08-13 2007-11-20 Broadcom Corporation Dynamic MIMO resource allocation during a single communication
US7711374B2 (en) * 2004-08-13 2010-05-04 Broadcom Corporation Dynamic reconfiguration of communication resources in a multi-transceiver configuration
US7440777B2 (en) * 2004-08-13 2008-10-21 Broadcom Corporation Multi-transceiver system with MIMO and beam-forming capability
US7596355B2 (en) * 2004-11-29 2009-09-29 Intel Corporation System and method capable of closed loop MIMO calibration
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US8995548B2 (en) * 2008-03-10 2015-03-31 Google Technology Holdings LLC Method and apparatus for channel sounding in an orthogonal frequency division multiplexing communication system
US8175178B2 (en) * 2008-10-01 2012-05-08 Harris Corporation Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and variable number of OFDM subcarriers
US8189697B2 (en) * 2008-10-01 2012-05-29 Harris Corporation Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and receiver channel estimate circuit
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Also Published As

Publication number Publication date
US7280804B2 (en) 2007-10-09
WO2005076559A1 (en) 2005-08-18
ATE437510T1 (de) 2009-08-15
US20050170781A1 (en) 2005-08-04
MY149721A (en) 2013-10-14
EP1719315A1 (de) 2006-11-08
TW200601760A (en) 2006-01-01
TWI313549B (en) 2009-08-11
EP1719315B1 (de) 2009-07-22

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