JP2004236335A - 多ブランチｏｆｄｍトランシーバ - Google Patents

多ブランチｏｆｄｍトランシーバ Download PDF

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Publication number
JP2004236335A
JP2004236335A JP2004023364A JP2004023364A JP2004236335A JP 2004236335 A JP2004236335 A JP 2004236335A JP 2004023364 A JP2004023364 A JP 2004023364A JP 2004023364 A JP2004023364 A JP 2004023364A JP 2004236335 A JP2004236335 A JP 2004236335A
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JP
Japan
Prior art keywords
packet
node
csi
antenna
transceiver
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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.)
Pending
Application number
JP2004023364A
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English (en)
Japanese (ja)
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JP2004236335A5 (https=
Inventor
Joachim S Hammerschmidt
エス． ハマーシュミット ヨアキム
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.)
Agere Systems LLC
Original Assignee
Agere Systems LLC
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 Agere Systems LLC filed Critical Agere Systems LLC
Publication of JP2004236335A publication Critical patent/JP2004236335A/ja
Publication of JP2004236335A5 publication Critical patent/JP2004236335A5/ja
Pending legal-status Critical Current

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    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2004023364A 2003-01-30 2004-01-30 多ブランチｏｆｄｍトランシーバ Pending JP2004236335A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/354,603 US20040151146A1 (en) 2003-01-30 2003-01-30 Multi-branch OFDM transceiver

Publications (2)

Publication Number Publication Date
JP2004236335A true JP2004236335A (ja) 2004-08-19
JP2004236335A5 JP2004236335A5 (https=) 2007-03-01

Family

ID=32655554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004023364A Pending JP2004236335A (ja) 2003-01-30 2004-01-30 多ブランチｏｆｄｍトランシーバ

Country Status (3)

Country Link
US (1) US20040151146A1 (https=)
EP (1) EP1443710A3 (https=)
JP (1) JP2004236335A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100812684B1 (ko) 2006-05-30 2008-03-13 포스데이타 주식회사 직교 주파수 분할 다중 접속 시스템의 레인징 검출을 위한안테나 선택 방법 및 장치
JP2012124872A (ja) * 2010-12-10 2012-06-28 Ricoh Co Ltd 受信装置
US8331218B2 (en) 2004-12-27 2012-12-11 Lg Electronics Inc. Communicating non-coherent detectable signal in broadband wireless access system

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* Cited by examiner, † Cited by third party
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JP4338993B2 (ja) * 2003-02-28 2009-10-07 モトローラ・インコーポレイテッド 無線端末のセッション制御方法及びインターフェース設定方法
US7046651B2 (en) * 2003-04-04 2006-05-16 Nokia Corporation System topologies for optimum capacity transmission over wireless local area networks
US7593347B2 (en) * 2003-12-29 2009-09-22 Intel Corporation Method and apparatus to exchange channel information
US20050141459A1 (en) * 2003-12-29 2005-06-30 Intel Corporation Apparatus and associated methods to reduce management overhead in a wireless communication system
JP4163659B2 (ja) * 2004-06-10 2008-10-08 株式会社東芝 無線送信装置及び無線送信方法
US7486650B2 (en) * 2004-09-27 2009-02-03 Intel Corporation Method, apparatus and system of wireless transmission
US7724858B2 (en) * 2004-11-29 2010-05-25 Intel Corporation Techniques to manage latency for multiple receivers
US8483190B2 (en) 2005-01-18 2013-07-09 Marvell World Trade Ltd. Wireless local area network (WLAN) time division multiplexed (TDM) interframe space (IFS) time selection protocol
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
US7760617B2 (en) * 2006-03-24 2010-07-20 Lg Electronics Inc. Method and structure of configuring preamble to support transmission of data symbol in a wireless communication system
US8107552B2 (en) * 2006-06-28 2012-01-31 Samsung Electronics Co., Ltd. System and method of wireless communication of uncompressed video having a fast fourier transform-based channel interleaver
US7715864B2 (en) * 2006-09-13 2010-05-11 Telefonaktiebolaget L M Ericsson (Publ) Arrangement and method for contention-based multi-access in a wireless communication system
US8194750B2 (en) * 2006-10-16 2012-06-05 Samsung Electronics Co., Ltd. System and method for digital communication having a circulant bit interleaver for equal error protection (EEP) and unequal error protection (UEP)
US9219570B2 (en) * 2007-05-07 2015-12-22 Nokia Technologies Oy Feedback and link adaptation techniques for wireless networks
CN101471746B (zh) * 2007-12-29 2012-06-27 中国移动通信集团公司 宽带无线传输的方法、装置及一种传输系统
JP2010130118A (ja) * 2008-11-25 2010-06-10 Sony Corp 送信装置、受信装置、通信システム、および、受信装置における処理方法
EP2471208B1 (en) * 2009-08-24 2020-09-23 Nokia Solutions and Networks Oy Channel-adaptive transmission in a distributed coordinated multi-point transmission system
WO2011064783A1 (en) * 2009-11-30 2011-06-03 Ben Gurion University Of The Negev, Research And Development Authority System and method for reducing bit-error-rate in orthogonal frequency-division multiplexing
EP2557839A1 (en) * 2011-08-12 2013-02-13 Panasonic Corporation Channel quality information reporting in protected subframes
US9661579B1 (en) * 2013-05-03 2017-05-23 Marvell International Ltd. Per-tone power control in OFDM
JP6115416B2 (ja) * 2013-09-06 2017-04-19 富士通株式会社 光送信器、光受信器、光伝送システム、光送信方法、光受信方法、および光伝送方法
US10972155B2 (en) * 2015-11-25 2021-04-06 Hewlett Packard Enterprise Development Lp Access point selection
US20170171721A1 (en) * 2015-12-10 2017-06-15 Linear Dms Solutions Sdn. Bhd. Bluetooth protocol broadcasting system
JP2017152983A (ja) 2016-02-25 2017-08-31 ソニー株式会社 情報処理装置、通信システム、情報処理方法およびプログラム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002135228A (ja) * 2000-08-24 2002-05-10 Sony Internatl Europ Gmbh 通信装置及び通信方法
JP2002368714A (ja) * 2001-06-07 2002-12-20 Denso Corp Ｏｆｄｍ方式の送受信機
JP2003018074A (ja) * 2001-06-29 2003-01-17 Toshiba Corp 無線基地局及びビーム制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW513873B (en) * 2000-07-27 2002-12-11 Sanyo Electric Co Radio equipment capable of real time change of antenna directivity and Doppler frequency estimating circuit used for the radio equipment
US6961545B2 (en) * 2001-04-09 2005-11-01 Atheros Communications, Inc. Method and system for providing antenna diversity
US6687492B1 (en) * 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
US7200178B2 (en) * 2002-06-12 2007-04-03 Texas Instruments Incorporated Methods for optimizing time variant communication channels
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002135228A (ja) * 2000-08-24 2002-05-10 Sony Internatl Europ Gmbh 通信装置及び通信方法
JP2002368714A (ja) * 2001-06-07 2002-12-20 Denso Corp Ｏｆｄｍ方式の送受信機
JP2003018074A (ja) * 2001-06-29 2003-01-17 Toshiba Corp 無線基地局及びビーム制御方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8331218B2 (en) 2004-12-27 2012-12-11 Lg Electronics Inc. Communicating non-coherent detectable signal in broadband wireless access system
KR100812684B1 (ko) 2006-05-30 2008-03-13 포스데이타 주식회사 직교 주파수 분할 다중 접속 시스템의 레인징 검출을 위한안테나 선택 방법 및 장치
JP2012124872A (ja) * 2010-12-10 2012-06-28 Ricoh Co Ltd 受信装置

Also Published As

Publication number Publication date
US20040151146A1 (en) 2004-08-05
EP1443710A3 (en) 2007-03-14
EP1443710A2 (en) 2004-08-04

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