DE69841953D1 - Ein drahtloses lokales Netzwerk-System und ein Sender-Empfänger in einem solchen System - Google Patents

Ein drahtloses lokales Netzwerk-System und ein Sender-Empfänger in einem solchen System

Info

Publication number
DE69841953D1
DE69841953D1 DE69841953T DE69841953T DE69841953D1 DE 69841953 D1 DE69841953 D1 DE 69841953D1 DE 69841953 T DE69841953 T DE 69841953T DE 69841953 T DE69841953 T DE 69841953T DE 69841953 D1 DE69841953 D1 DE 69841953D1
Authority
DE
Germany
Prior art keywords
transceiver
area network
local area
wireless local
network system
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.)
Expired - Lifetime
Application number
DE69841953T
Other languages
English (en)
Inventor
Naofumi Kobayashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69841953D1 publication Critical patent/DE69841953D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks
    • 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]
DE69841953T 1997-08-12 1998-03-23 Ein drahtloses lokales Netzwerk-System und ein Sender-Empfänger in einem solchen System Expired - Lifetime DE69841953D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21747297A JP3792013B2 (ja) 1997-08-12 1997-08-12 ワイヤレスｌａｎおよびシステム内送受信装置

Publications (1)

Publication Number Publication Date
DE69841953D1 true DE69841953D1 (de) 2010-12-02

Family

ID=16704779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69841953T Expired - Lifetime DE69841953D1 (de) 1997-08-12 1998-03-23 Ein drahtloses lokales Netzwerk-System und ein Sender-Empfänger in einem solchen System

Country Status (4)

Country Link
US (2) US6359873B1 (de)
EP (1) EP0897230B1 (de)
JP (1) JP3792013B2 (de)
DE (1) DE69841953D1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4112020B2 (ja) * 1998-01-16 2008-07-02 シンボル テクノロジーズ インコーポレイテッド 無線ｌａｎ用インフラストラクチャ
JP2000165444A (ja) * 1998-11-30 2000-06-16 Nec Corp 光パケットスイッチ
US6560213B1 (en) * 1999-03-24 2003-05-06 Hrl Laboratories, Llc Wideband wireless access local loop based on millimeter wave technology
JP3412596B2 (ja) * 2000-03-14 2003-06-03 日本電気株式会社 高速無線インタネットアクセスシステム
US7173922B2 (en) * 2000-03-17 2007-02-06 Symbol Technologies, Inc. Multiple wireless local area networks occupying overlapping physical spaces
US7173923B2 (en) * 2000-03-17 2007-02-06 Symbol Technologies, Inc. Security in multiple wireless local area networks
US7283844B2 (en) * 2000-04-04 2007-10-16 Thompson Scott D Multi-beam antenna wireless network system
US7162273B1 (en) 2000-11-10 2007-01-09 Airgain, Inc. Dynamically optimized smart antenna system
WO2002039543A1 (en) * 2000-11-10 2002-05-16 Am Group Corporation Direction-agile antenna system for wireless communications
US6778844B2 (en) * 2001-01-26 2004-08-17 Dell Products L.P. System for reducing multipath fade of RF signals in a wireless data application
US6990338B2 (en) * 2001-06-11 2006-01-24 The Boeing Company Mobile wireless local area network and related methods
US7224678B2 (en) * 2002-08-12 2007-05-29 Harris Corporation Wireless local or metropolitan area network with intrusion detection features and related methods
US7769398B2 (en) * 2002-11-15 2010-08-03 The Boeing Company Broadband wireless distribution system for mobile platform interior
US8422434B2 (en) * 2003-02-18 2013-04-16 Qualcomm Incorporated Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
EP1634171B1 (de) * 2003-05-28 2007-11-14 Symbol Technologies, Inc. Backup-zellensteuerung
US20050157690A1 (en) * 2003-05-28 2005-07-21 James Frank Wireless network cell controller
US7053853B2 (en) * 2003-06-26 2006-05-30 Skypilot Network, Inc. Planar antenna for a wireless mesh network
JP4572614B2 (ja) * 2004-07-20 2010-11-04 船井電機株式会社 ディジタルテレビジョン放送信号受信装置
JP5141587B2 (ja) * 2009-02-13 2013-02-13 ソニー株式会社 通信装置、通信制御方法、及び通信システム
US20120034892A1 (en) * 2010-08-06 2012-02-09 Samsung Electro-Mechanics Co., Ltd. High-rate wireless receiving apparatus
US8599958B2 (en) * 2010-09-29 2013-12-03 Siklu Communication ltd. Ultra-high-bandwidth low-power-consumption wireless communication systems
US9019857B2 (en) * 2013-01-28 2015-04-28 Qualcomm Incorporated Idle measurement periods in a communication network
US11006283B2 (en) * 2016-08-25 2021-05-11 Sony Corporation Wireless communication control device, wireless communication device and wireless communication system
KR102562821B1 (ko) 2018-10-19 2023-08-02 삼성전자주식회사 무선 신호를 수신 및 측정하기 위한 장치 및 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69020319T2 (de) 1989-12-11 1996-03-14 Toyoda Chuo Kenkyusho Kk Mobiles Antennensystem.
US5117236A (en) 1990-10-19 1992-05-26 Motorola, Inc. Antenna pattern selection for optimized communications
JPH0574037A (ja) 1991-09-10 1993-03-26 Sony Corp デイスク再生装置
JP3438918B2 (ja) * 1992-11-27 2003-08-18 コモンウェルス サイエンティフィック アンド インダストリアル リサーチ オーガニゼーション ワイヤレスｌａｎ
JPH0831732B2 (ja) 1992-12-22 1996-03-27 株式会社ミリウェイブ 移動無線端末
JPH06334423A (ja) 1993-05-26 1994-12-02 Toyota Central Res & Dev Lab Inc 追尾アンテナ装置
JP3290322B2 (ja) 1994-01-20 2002-06-10 システム．ユニークス株式会社 移動体搭載衛星アンテナの追尾制御装置
CA2157108A1 (en) 1994-01-20 1995-07-27 Masahiro Uematsu Satellite-broadcast receiving mobile antenna apparatus
JPH08116208A (ja) 1994-10-14 1996-05-07 Sony Corp 衛星受信アンテナシステム
US5617102A (en) 1994-11-18 1997-04-01 At&T Global Information Solutions Company Communications transceiver using an adaptive directional antenna
JP3287521B2 (ja) 1995-02-08 2002-06-04 日本電信電話株式会社 アンテナ方向および位置自動調整装置
JP3637110B2 (ja) 1995-08-21 2005-04-13 松下電器産業株式会社 無線ｌａｎ装置および無線ｌａｎネットワーク
FR2742525B1 (fr) 1995-12-19 1998-03-06 Butagaz Cabine de sechage
US5697066A (en) * 1996-03-07 1997-12-09 The Trustees Of Columbia University Media access protocol for packet access within a radio cell
JP3272246B2 (ja) * 1996-07-12 2002-04-08 株式会社東芝 デジタル放送受信装置
US6016313A (en) * 1996-11-07 2000-01-18 Wavtrace, Inc. System and method for broadband millimeter wave data communication

Also Published As

Publication number Publication date
EP0897230B1 (de) 2010-10-20
US6359873B1 (en) 2002-03-19
US7212510B2 (en) 2007-05-01
EP0897230A2 (de) 1999-02-17
JP3792013B2 (ja) 2006-06-28
US20020067711A1 (en) 2002-06-06
JPH1168759A (ja) 1999-03-09
EP0897230A3 (de) 1999-04-14

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