JP2004236336A - Ｏｆｄｍトランシーバのチャネル推定 - Google Patents

Ｏｆｄｍトランシーバのチャネル推定 Download PDF

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Publication number
JP2004236336A
JP2004236336A JP2004023377A JP2004023377A JP2004236336A JP 2004236336 A JP2004236336 A JP 2004236336A JP 2004023377 A JP2004023377 A JP 2004023377A JP 2004023377 A JP2004023377 A JP 2004023377A JP 2004236336 A JP2004236336 A JP 2004236336A
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Japan
Prior art keywords
packet
node
antenna
transceiver
wlan system
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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.)
Withdrawn
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JP2004023377A
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English (en)
Japanese (ja)
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JP2004236336A5 (enExample
Inventor
Joachim S Hammerschmidt
エス．ハマーシュミット ヨアキム
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Agere Systems LLC
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Agere Systems LLC
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Application filed by Agere Systems LLC filed Critical Agere Systems LLC
Publication of JP2004236336A publication Critical patent/JP2004236336A/ja
Publication of JP2004236336A5 publication Critical patent/JP2004236336A5/ja
Withdrawn legal-status Critical Current

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    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits transmitted on different sub-channels
    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0615—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 simultaneous transmission of weighted versions of same signal
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • 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
    • 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
    • H04L27/2626—Arrangements specific to the transmitter 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
    • 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
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/22—Negotiating communication rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2004023377A 2003-01-30 2004-01-30 Ｏｆｄｍトランシーバのチャネル推定 Withdrawn JP2004236336A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/354,601 US7400609B2 (en) 2003-01-30 2003-01-30 Partitioning scheme for an OFDM transceiver

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010186773A Division JP2011015424A (ja) 2003-01-30 2010-08-24 Ｏｆｄｍトランシーバのチャネル推定

Publications (2)

Publication Number Publication Date
JP2004236336A true JP2004236336A (ja) 2004-08-19
JP2004236336A5 JP2004236336A5 (enExample) 2007-03-01

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
JP2004023377A Withdrawn JP2004236336A (ja) 2003-01-30 2004-01-30 Ｏｆｄｍトランシーバのチャネル推定
JP2010186773A Pending JP2011015424A (ja) 2003-01-30 2010-08-24 Ｏｆｄｍトランシーバのチャネル推定

Family Applications After (1)

Application Number Title Priority Date Filing Date
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Country Status (3)

Country Link
US (1) US7400609B2 (enExample)
EP (1) EP1445907A3 (enExample)
JP (2) JP2004236336A (enExample)

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JP2008125070A (ja) * 2006-11-10 2008-05-29 Samsung Electronics Co Ltd Ｏｆｄｍ通信装置及び方法
JP2014060591A (ja) * 2012-09-18 2014-04-03 Renesas Electronics Corp 受信装置及び通信装置並びに通信システム

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US7359311B1 (en) * 2003-04-18 2008-04-15 Cisco Technology, Inc. Decoding method and apparatus using channel state information for use in a wireless network receiver
US7835262B2 (en) * 2003-05-14 2010-11-16 Texas Instruments Incorporated Multi-band OFDM communications system
WO2004112289A2 (en) * 2003-05-14 2004-12-23 Texas Instruments Incorporated Multi-band-ofdm communications systems
US7515541B2 (en) * 2003-08-08 2009-04-07 Intel Corporation Transmission of data with feedback to the transmitter in a wireless local area network or the like
US7593347B2 (en) * 2003-12-29 2009-09-22 Intel Corporation Method and apparatus to exchange channel information
US8369790B2 (en) * 2003-12-30 2013-02-05 Intel Corporation Communication overhead reduction apparatus, systems, and methods
US7345989B2 (en) * 2004-01-12 2008-03-18 Intel Corporation Adaptive channelization scheme for high throughput multicarrier systems
US7665008B2 (en) * 2004-01-12 2010-02-16 Intel Corporation Method and apparatus for implementing a low density parity check code in a wireless system
US20060025079A1 (en) * 2004-08-02 2006-02-02 Ilan Sutskover Channel estimation for a wireless communication system
WO2006016857A1 (en) * 2004-08-13 2006-02-16 Agency For Science, Technology And Research Method for determining a residual frequency offset, communication system, method for transmitting a message, transmitter, method for processing a message and receiver
US7961828B2 (en) * 2004-10-06 2011-06-14 Motorola Mobility, Inc. Sync bursts frequency offset compensation
EP2222114A1 (en) * 2005-02-07 2010-08-25 Samsung Electronics Co., Ltd. Method of determining transmission rate of control response frame for acknowledging data receipt in wireless lan
KR100677568B1 (ko) 2005-02-07 2007-02-02 삼성전자주식회사 무선랜 상의 데이터 수신에 대한 제어 응답 프레임의 전송속도 결정 방법
US7924943B2 (en) * 2005-02-07 2011-04-12 Broadcom Corporation Method and system for optional closed loop mechanism with adaptive modulations for multiple input multiple output (MIMO) wireless local area network (WLAN) system
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US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
US20070002724A1 (en) * 2005-06-15 2007-01-04 Samsung Electronics Co., Ltd. Apparatus and method for broadcast superposition and cancellation in a multi-carrier wireless network
JPWO2007142194A1 (ja) * 2006-06-09 2009-10-22 日本電気株式会社 通信システム、送信装置、受信装置及び同期検出方法
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US8422483B2 (en) * 2007-03-30 2013-04-16 Olympus Corporation Method and system for channel estimation in burst mode
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CN103117787B (zh) * 2013-01-29 2017-07-28 北京邮电大学 一种协同多天线系统中的自适应比特分配方法及装置
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Publication number Priority date Publication date Assignee Title
JP2008125070A (ja) * 2006-11-10 2008-05-29 Samsung Electronics Co Ltd Ｏｆｄｍ通信装置及び方法
JP2014060591A (ja) * 2012-09-18 2014-04-03 Renesas Electronics Corp 受信装置及び通信装置並びに通信システム

Also Published As

Publication number Publication date
EP1445907A3 (en) 2007-03-14
US7400609B2 (en) 2008-07-15
US20040151145A1 (en) 2004-08-05
EP1445907A2 (en) 2004-08-11
JP2011015424A (ja) 2011-01-20

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