ATE437510T1 - Kanalanpassung unter verwendung von kanalmessungsreferenzsignalen mit variablen raten - Google Patents

Kanalanpassung unter verwendung von kanalmessungsreferenzsignalen mit variablen raten

Info

Publication number
ATE437510T1
ATE437510T1 AT05726380T AT05726380T ATE437510T1 AT E437510 T1 ATE437510 T1 AT E437510T1 AT 05726380 T AT05726380 T AT 05726380T AT 05726380 T AT05726380 T AT 05726380T AT E437510 T1 ATE437510 T1 AT E437510T1
Authority
AT
Austria
Prior art keywords
channel
sta
channel sounding
reference signals
measurement reference
Prior art date
Application number
AT05726380T
Other languages
English (en)
Inventor
Eric Jacobsen
Shahrnaz Azizi
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
Application granted granted Critical
Publication of ATE437510T1 publication Critical patent/ATE437510T1/de

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
AT05726380T 2004-01-30 2005-01-14 Kanalanpassung unter verwendung von kanalmessungsreferenzsignalen mit variablen raten ATE437510T1 (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
ATE437510T1 true ATE437510T1 (de) 2009-08-15

Family

ID=34808124

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05726380T ATE437510T1 (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)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9207905B2 (en) 2003-07-28 2015-12-08 Sonos, Inc. Method and apparatus for providing synchrony group status information
US11106425B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US11294618B2 (en) 2003-07-28 2022-04-05 Sonos, Inc. Media player system
US8234395B2 (en) 2003-07-28 2012-07-31 Sonos, Inc. System and method for synchronizing operations among a plurality of independently clocked digital data processing devices
US11106424B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US11650784B2 (en) 2003-07-28 2023-05-16 Sonos, Inc. Adjusting volume levels
US8290603B1 (en) 2004-06-05 2012-10-16 Sonos, Inc. User interfaces for controlling and manipulating groupings in a multi-zone media system
US7423989B2 (en) * 2004-02-13 2008-09-09 Broadcom Corporation Preamble formats for MIMO wireless communications
US9977561B2 (en) 2004-04-01 2018-05-22 Sonos, Inc. Systems, methods, apparatus, and articles of manufacture to provide guest access
US8326951B1 (en) 2004-06-05 2012-12-04 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
US8868698B2 (en) 2004-06-05 2014-10-21 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
US7907910B2 (en) * 2004-08-02 2011-03-15 Intel Corporation Method and apparatus to vary power level of training signal
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
US8774327B2 (en) * 2005-01-28 2014-07-08 Broadcom Corporation Adjustable RF receiver
KR100677568B1 (ko) 2005-02-07 2007-02-02 삼성전자주식회사 무선랜 상의 데이터 수신에 대한 제어 응답 프레임의 전송속도 결정 방법
EP2222114A1 (de) * 2005-02-07 2010-08-25 Samsung Electronics Co., Ltd. Verfahren zur Bestimmung der Übertragungsrate zur Response-Frame-Steuerung zur Bestätigung von Datenempfang in drahtlosem lokalen Netzwerk
US7680218B2 (en) * 2005-10-25 2010-03-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication channel estimation
US8098689B2 (en) * 2006-05-11 2012-01-17 Intel Corporation Systems and methods for frame tunnelling in wireless communications
KR100961887B1 (ko) * 2006-06-05 2010-06-09 삼성전자주식회사 무선 통신 시스템에서 단말의 채널 사운딩 장치 및 방법
US8150327B2 (en) * 2007-03-19 2012-04-03 Apple Inc. Channel sounding techniques for a wireless communication system
US7881721B2 (en) * 2007-04-30 2011-02-01 Freescale Semiconductor, Inc. Channel sounding techniques for a wireless communication system
KR101297458B1 (ko) * 2007-05-02 2013-08-16 엘지전자 주식회사 Ｆｄｄ 시스템에서 채널 사운딩 방법
EP3860034B1 (de) * 2007-08-08 2023-11-01 Telefonaktiebolaget LM Ericsson (publ) Kanalsondierung unter verwendung verschiedener konfigurationen der kanalsondierungssignale
US9185601B2 (en) * 2007-12-18 2015-11-10 At&T Mobility Ii Llc Optimal utilization of multiple transceivers in a wireless environment
US7978724B1 (en) 2008-01-29 2011-07-12 Clear Wireless Llc Systems and methods of allocating radio resources
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
US8160165B2 (en) * 2008-10-01 2012-04-17 Harris Corporation Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and frequency hopping
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
US8160166B2 (en) * 2008-10-01 2012-04-17 Harris Corporation Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble with circuit for measuring frequency response of the communications channel
US8165232B2 (en) * 2008-10-01 2012-04-24 Harris Corporation Low peak-to-average power ratio (PAPR) preamble for orthogonal frequency division multiplexing (OFDM) communications
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
US8355373B2 (en) * 2008-10-11 2013-01-15 Xg Technology, Inc. Methodology for base station assisted channel selection for interference handling in mobile networks
EP2353249A1 (de) * 2008-10-20 2011-08-10 Nokia Siemens Networks Oy Sounding-kanalvorrichtung und verfahren
US8301177B2 (en) * 2009-03-03 2012-10-30 Intel Corporation Efficient paging operation for femtocell deployment
US8437440B1 (en) 2009-05-28 2013-05-07 Marvell International Ltd. PHY frame formats in a system with more than four space-time streams
US9025572B2 (en) * 2009-09-03 2015-05-05 Via Telecom Co., Ltd. Apparatus, system, and method for access procedure enhancements
JP6134650B2 (ja) * 2011-01-28 2017-05-24 アイ アイオー, リミテッド・ライアビリティ・カンパニーEye Io, Llc シーンに基づく適用性のあるビットレート制御
US20130034128A1 (en) * 2011-08-05 2013-02-07 Qualcomm Incorporated Echo cancellation repeater operation in the absence of an input signal
WO2013024463A2 (en) * 2011-08-17 2013-02-21 Go Net Systems Ltd. Systems methods circuits and apparatus for calibrating wireless communication systems
US8910265B2 (en) 2012-09-28 2014-12-09 Sonos, Inc. Assisted registration of audio sources
US20150289271A1 (en) * 2012-10-30 2015-10-08 Nec Corporation, Control device, communication system, communication control method, and non-transitory computer readable medium storing program
GB2509088A (en) * 2012-12-19 2014-06-25 Broadcom Corp A reference sequence for synchronisation and channel estimation in local area communication scenarios
US8929474B2 (en) * 2013-03-14 2015-01-06 Qualcomm Incorporated Systems and methods for optimizing sounding interval
US9933920B2 (en) 2013-09-27 2018-04-03 Sonos, Inc. Multi-household support
US9241355B2 (en) 2013-09-30 2016-01-19 Sonos, Inc. Media system access via cellular network
KR102367780B1 (ko) 2014-09-12 2022-02-25 삼성전자주식회사 무선 통신시스템의 채널 정보 피드백을 위한 장치 및 방법
KR101714395B1 (ko) * 2015-06-29 2017-03-09 주식회사 엘지유플러스 액세스 포인트 장치, 이를 포함하는 무선랜 시스템, 및 이의 채널 사운딩 방법
US10715288B2 (en) * 2016-05-10 2020-07-14 Apple Inc. Wireless local area network sounding protocol
US20180123835A1 (en) * 2016-10-27 2018-05-03 Aruba Networks, Inc. Channel sounding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000028757A1 (en) * 1998-11-11 2000-05-18 Nokia Networks Oy Method and apparatus for directional radio communication
DE10141971A1 (de) 2001-08-28 2003-03-27 Siemens Ag Adaptive Kanalschätzung in einem OFDM-basierten Mobilfunksystem durch Variation der Anzahl der Pilotsymbole
US7164649B2 (en) * 2001-11-02 2007-01-16 Qualcomm, Incorporated Adaptive rate control for OFDM communication system
US7126996B2 (en) * 2001-12-28 2006-10-24 Motorola, Inc. Adaptive transmission method

Also Published As

Publication number Publication date
DE602005015551D1 (de) 2009-09-03
TWI313549B (en) 2009-08-11
TW200601760A (en) 2006-01-01
US7280804B2 (en) 2007-10-09
US20050170781A1 (en) 2005-08-04
EP1719315A1 (de) 2006-11-08
WO2005076559A1 (en) 2005-08-18
MY149721A (en) 2013-10-14
EP1719315B1 (de) 2009-07-22

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