JP2005531202A - 無線ローカル・エリア・ネットワーク・リピータ - Google Patents
無線ローカル・エリア・ネットワーク・リピータ Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15507—Relay station based processing for cell extension or control of coverage area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/1555—Selecting relay station antenna mode, e.g. selecting omnidirectional -, directional beams, selecting polarizations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
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- 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]
Abstract
Description
(関連出願の相互参照)
本出願は、2002年6月21日の出願であって出願番号60/390,093により認識される「WLANリピータ」と題する仮出願に関し、かつ、この仮出願の優先権を主張するものである。
Claims (33)
- 各々が時分割二重方式のデータ伝送を使用する少なくとも2つの双方向通信周波数を含むネットワーク内において第1通信デバイスと第2通信デバイスとの間の無線通信を円滑にする装置であって、
前記少なくとも2つの双方向通信周波数の信号を同時に受信する受信機と、
前記受信機に動作的に接続され、信号が前記少なくとも2つの双方向周波数のうちの少なくとも一つの周波数についてのものかどうかを判定する信号検出器と、
前記双方向周波数のうちの一方の周波数の信号を前記双方向周波数のうちの他方の周波数の変換信号に変換する周波数変換器と、
前記双方向周波数のうちの他方の周波数の前記変換信号を送信する送信機と、を備える装置。 - 請求項1記載の装置において、前記信号検出器は中間周波数で動作する装置。
- 請求項1記載の装置において、前記信号検出器は無線周波数の信号を検出する装置。
- 請求項1記載の装置において、前記受信機は前記少なくとも2つの双方向周波数の前記信号を同時に第1アンテナを介して受信し、
前記送信機は前記双方向周波数のうちの他方の周波数の前記変換信号を第2アンテナを介して送信する装置。 - 請求項4記載の装置において、前記第1アンテナ及び第2アンテナは、互いにほぼ直交する偏波をそれぞれ有する装置。
- 請求項1記載の装置において、前記受信機及び前記送信機は、アイソレータを介して前記受信機及び前記送信機に接続される単一のアンテナを共有する装置。
- 請求項1記載の装置において、前記受信機は第1及び第2の単一周波数チャネル受信機を含み、前記第1の単一周波数チャネル受信機及び第1の周波数チャネル用の送信機は第1の指向性の分離アンテナを共有し、前記第2の単一周波数チャネル受信機及び第2の周波数チャネル用の送信機は第2の指向性の分離アンテナを共有する、装置。
- 請求項1記載の装置において、前記受信機は、前記受信機の入力に接続される信号分離器を含み、前記周波数変換器は第1及び第2周波数変換器を含み、前記分離器の各出力は前記第1及び第2周波数変換器に接続されて、前記少なくとも2つの双方向周波数の各々の周波数の信号が、それぞれ前記第1及び第2周波数変換器の出力に中間周波数で生成され、第1及び第2中間周波数の各々は、第1及び第2の追加分離器にそれぞれ接続され、該第1及び第2の追加分離器の各々は、遅延回路に接続される第1出力と、検出器回路に接続される第2出力とを含み、前記遅延回路は、該遅延回路を使用して前記変換信号のうちの一つの信号の再送信を可能にする、装置。
- 請求項8記載の装置において、前記遅延回路は、前記少なくとも2つの双方向通信周波数の前記信号を前記受信機によって同時に受信している間に検出遅延を補償することにより、送信対象の前記受信信号の切り捨てを許容レベルにまで低減する、装置。
- 請求項8記載の装置において、前記第1及び第2周波数変換器の各々はミキサ及びローカル発振器を含み、前記ミキサは前記分離器の出力に接続される第1入力と、前記ローカル発振器の出力に接続される第2入力とを含む、装置。
- 請求項10記載の装置は更に、複数の中間周波数分離器及び複数の検出器を備え、前記複数の中間周波数分離器の各々は、前記ミキサのうちの一つのミキサの出力に接続された入力を含み、前記複数の検出器の各々は、前記複数の中間周波数分離器のうちの一つの中間周波数分離器の第1出力にそれぞれ接続され、前記複数の検出器は、前記複数の中間周波数分離器の各第1出力における信号の電力比較に基づいて、前記受信機における信号を検出する、装置。
- 請求項10記載の装置において、前記受信機は更に、前記受信機で受信される信号を検出する検出器を含み、前記検出器は前記受信機により受信される前記双方向周波数のうちの一つの周波数の信号の開始又は終了を通知する、装置。
- 請求項12記載の装置において、前記検出器は前記受信機で受信された信号をしきい値と比較して、前記信号を検出する、装置。
- 請求項11記載の装置において、前記検出器は前記双方向周波数のうちの一つの周波数の信号の存在を検出し、前記双方向周波数のうちの少なくとも一つの周波数の信号が検出されたうえで、前記検出器の出力によって前記中間周波数のうちの一つの周波数の選択が制御されて、前記送信機によって前記変換信号が送信される、装置。
- 請求項11記載の装置は更に、各々が前記複数の中間周波数分離器の第2出力及び単一スイッチに接続された複数の遅延回路を備え、前記単一スイッチは、前記複数の遅延回路のうちの一つの遅延回路を周波数変換器に接続して、送信前に、接続された中間周波数信号の周波数を前記双方向周波数のうちの他方の周波数に変更することが可能である、装置。
- 少なくとも第1及び第2の双方向通信周波数を含む無線ローカル・エリア・ネットワークであって、
データを前記第1及び前記第2の双方向通信周波数で送信及び受信することが可能な第1通信デバイスであって、時分割二重方式を使用して、前記少なくとも第1又は第2の双方向通信周波数のうちのいずれかの周波数のデータを送信及び受信する第1通信デバイスと、
データを前記第1及び前記第2の双方向通信周波数で送信及び受信することが可能な第2通信デバイスであって、時分割二重方式を使用して、前記少なくとも第1又は第2の双方向通信周波数のうちのいずれかの周波数でデータを送信及び受信する第2通信デバイスと、
前記第1通信デバイスと前記第2通信デバイスとの間の通信リンクを改善するリピータであって、前記第1及び前記第2の双方向通信周波数のうちのいずれかの周波数の信号を同時に受信する受信機と、前記受信機に動作的に接続され、信号が前記少なくとも2つの双方向周波数の一つの周波数についてのものかどうかを判断する信号検出器と、前記信号検出器に動作的に接続され、前記双方向周波数のうちの一方の周波数の前記信号を前記双方向周波数のうちの他方の周波数の変換信号に変換する周波数変換器と、前記双方向周波数のうちの前記他方の周波数の前記変換信号を送信する送信機とを含むリピータとを備える、無線ローカル・エリア・ネットワーク。 - 請求項16記載の無線ローカル・エリア・ネットワークにおいて、前記第1通信デバイス又は前記第2通信デバイスのうちの少なくとも一つの通信デバイスは、有線ネットワークに接続され、無線ゲートウェイとして機能する、無線ローカル・エリア・ネットワーク。
- 少なくとも第1及び第2の双方向通信周波数を含むネットワークのリピータであって、
前記少なくとも第1及び第2の双方向通信周波数のうちのいずれかの周波数の信号を同時に受信する受信機と、
前記少なくとも第1及び第2の双方向通信周波数の前記受信信号を送信する送信機と、
前記受信機及び前記送信機に動作的に接続されるアンテナとを備え、前記送信機及び前記受信機は、異なる周波数で動作し、時分割二重プロトコルを使用する、リピータ。 - 請求項18記載のリピータは、更に、前記第1の双方向通信周波数の信号情報パケットを前記受信機で受信し、前記信号情報パケットを前記送信機を使用して前記第2の双方向通信周波数で送信するサーキュレータを備える、リピータ。
- 請求項19記載のリピータにおいて、前記受信機は、前記サーキュレータに動作的に接続され、前記信号が前記少なくとも第1及び第2の双方向通信周波数の一つの周波数についてのものであるかどうかを判断する信号検出器と、前記信号検出器に動作的に接続され、前記少なくとも第1及び第2の双方向通信周波数の一方の周波数の前記信号を前記少なくとも第1及び第2の双方向通信周波数のうちの他方の周波数に変換する周波数変換器とを含む、リピータ。
- 請求項19記載のリピータにおいて、前記検出器は、前記受信機で受信された前記少なくとも第1及び第2の双方向通信周波数のうちの一方の周波数の前記信号を検出する電力表示器を含む、リピータ。
- 少なくとも第1及び第2の双方向通信周波数で動作するネットワークであって、
時分割二重プロトコルを使用して、前記第1及び第2の双方向通信周波数のデータを前記少なくとも第1又は第2の双方向通信周波数のうちのいずれかの周波数で送信及び受信するベース・ユニットと、
前記時分割二重プロトコルを使用して、前記第1及び第2の双方向通信周波数のデータを前記少なくとも第1又は第2の双方向通信周波数のうちのいずれかの周波数で送信及び受信するクライアント・ユニットと、
前記時分割二重プロトコルを使用して、前記ベース・ユニットと前記クライアント・ユニットとの間で前記少なくとも第1又は第2の双方向通信周波数のうちの一つの周波数であって、前記クライアント・デバイスが使用する周波数とは異なる周波数で通信することが可能なリピータとを備えるネットワーク。 - 請求項22記載のネットワークにおいて、前記リピータは、
前記少なくとも第1及び第2の双方向通信周波数の信号を同時に受信する受信機と、
前記受信機に動作的に接続され、信号が前記少なくとも第1及び第2の双方向通信周波数のうちの少なくとも一つの周波数についてのものかどうかを判断する信号検出器と、
前記第1の双方向周波数の信号を前記第2の双方向通信周波数の変換信号に変換する周波数変換器と、
前記第2の双方向通信周波数の前記変換信号を送信する送信機とを含む、ネットワーク。 - 請求項23記載のネットワークにおいて、検出された前記少なくとも第1及び第2の双方向通信周波数のうちの一つの周波数の信号の送信期間は、その少なくとも一部が、前記検出信号が検出されるときに開始される時間間隔カウンターに基づく、ネットワーク。
- 請求項23記載のネットワークにおいて、前記受信機は第1アンテナに接続され、前記送信機は第2アンテナに接続され、前記第1及び第2アンテナはほぼ直交する偏波を有する、ネットワーク。
- 請求項23記載のネットワークにおいて、前記少なくとも第1及び第2の双方向通信周波数の各々に対応する前記受信機は、少なくとも2つのスイッチにそれぞれ接続され、各スイッチは、少なくとも2つの指向性アンテナにそれぞれ接続され、かつ追加スイッチに接続され、該追加スイッチは少なくとも一つの送信機に接続される、ネットワーク。
- 第1無線局デバイスに対する無線信号の送受信を行ない、第2無線局デバイスに対する無線信号の送受信を行なうことが可能で、かつ、前記第1無線局デバイスと前記第2無線局デバイスとの間の通信を可能にする無線接続範囲拡張デバイスであって、前記無線接続範囲拡張デバイスは表示器を備え、該表示器は、前記第1及び第2無線局デバイスのうちの少なくとも一つの無線局デバイスからの受信信号のレベルが、前記第1及び第2無線局デバイスのうちの少なくとも一つの無線局デバイスと前記無線接続範囲拡張デバイスとの間の通信を行なに十分なレベルであるときに通知を行なう、無線接続範囲拡張デバイス。
- 第1無線局デバイスに対する無線信号の送受信を第1双方向通信リンクを通して行ない、第2無線局デバイスに対する無線信号の送受信を第2双方向通信リンクを通して行なうことが可能で、かつ、前記第1無線局デバイスと前記第2無線局デバイスとの間の通信を可能にする無線接続範囲拡張デバイスであって、前記第1双方向通信リンクは特定の偏波の第1アンテナを利用して第1周波数チャネルで動作し、前記第2双方向通信リンクは前記第1アンテナの偏波に直交する偏波の第2アンテナを利用して第2周波数チャネルで動作する、無線接続範囲拡張デバイス。
- 請求項28記載の無線接続範囲拡張デバイスにおいて、前記第1及び第2双方向通信リンクは、802.11プロトコル又はその派生プロトコルを利用する、無線接続範囲拡張デバイス。
- 請求項29記載の無線接続範囲拡張デバイスは更に、前記検出信号の再送信中に、前記検出信号をデジタル復調する復調器を備える、無線接続範囲拡張デバイス。
- 無線通信デバイスにおいて、検出信号を増幅及び/又は周波数変換して再送信する方法であって、
前記信号に対して分離機能を実行すること、
前記分離機能を遅延機能と結合させること、
前記分離機能を更に検出機能に結合させること、
前記遅延機能を前記検出機能と並行して実行すること、
前記遅延機能の実行に続いて送信機能を使用して前記信号を送信し、前記送信機能を前記遅延機能と結合させ、前記検出機能により前記信号が検出されたことに基づいて前記送信機能を起動することを備える方法。 - 請求項31記載の方法において、前記遅延機能は、検出遅延に起因する送信中の前記信号の切り捨てを低減するに十分なものである、方法。
- 第1無線局デバイスに対する無線信号の送受信を第1双方向通信リンクを通して行ない、第2無線局デバイスに対する無線信号の送受信を第2双方向通信リンクを通して行なうことが可能であり、かつ、前記第1無線局デバイスと前記第2無線局デバイスとの間の通信を可能にする無線接続範囲拡張デバイスであって、前記第1双方向通信リンクは第1指向性アンテナを利用して第1周波数チャネルで動作し、前記第2双方向通信リンクは第2指向性アンテナを利用して第2周波数チャネルで動作する、無線接続範囲拡張デバイス。
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US39009302P | 2002-06-21 | 2002-06-21 | |
PCT/US2003/016208 WO2004002014A1 (en) | 2002-06-21 | 2003-06-11 | Wireless local area network repeater |
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JP2005531202A true JP2005531202A (ja) | 2005-10-13 |
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US (1) | US8498234B2 (ja) |
EP (1) | EP1525678B1 (ja) |
JP (1) | JP2005531202A (ja) |
KR (1) | KR20050010951A (ja) |
CN (1) | CN1663147A (ja) |
AT (1) | ATE403286T1 (ja) |
AU (2) | AU2003239577A1 (ja) |
BR (1) | BR0311966A (ja) |
CA (1) | CA2486758A1 (ja) |
DE (1) | DE60322541D1 (ja) |
MX (1) | MXPA04011588A (ja) |
WO (1) | WO2004002014A1 (ja) |
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- 2003-06-11 JP JP2004515701A patent/JP2005531202A/ja active Pending
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- 2003-06-11 KR KR10-2004-7020611A patent/KR20050010951A/ko active IP Right Grant
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US8498234B2 (en) | 2002-06-21 | 2013-07-30 | Qualcomm Incorporated | Wireless local area network repeater |
US8885688B2 (en) | 2002-10-01 | 2014-11-11 | Qualcomm Incorporated | Control message management in physical layer repeater |
US8060009B2 (en) | 2002-10-15 | 2011-11-15 | Qualcomm Incorporated | Wireless local area network repeater with automatic gain control for extending network coverage |
US8078100B2 (en) | 2002-10-15 | 2011-12-13 | Qualcomm Incorporated | Physical layer repeater with discrete time filter for all-digital detection and delay generation |
US8111645B2 (en) | 2002-11-15 | 2012-02-07 | Qualcomm Incorporated | Wireless local area network repeater with detection |
US7990904B2 (en) | 2002-12-16 | 2011-08-02 | Qualcomm Incorporated | Wireless network repeater |
US8027642B2 (en) | 2004-04-06 | 2011-09-27 | Qualcomm Incorporated | Transmission canceller for wireless local area network |
US8023885B2 (en) | 2004-05-13 | 2011-09-20 | Qualcomm Incorporated | Non-frequency translating repeater with downlink detection for uplink and downlink synchronization |
JP2008503907A (ja) * | 2004-05-13 | 2008-02-07 | ワイデファイ インコーポレイテッド | 検出およびメディア・アクセス制御を行う非周波数変換型リピータ |
US8095067B2 (en) | 2004-06-03 | 2012-01-10 | Qualcomm Incorporated | Frequency translating repeater with low cost high performance local oscillator architecture |
JP2008505513A (ja) * | 2004-06-03 | 2008-02-21 | ワイデファイ インコーポレイテッド | 低コスト、高性能の局部発振器の構造を備えた周波数変換中継器 |
US8059727B2 (en) | 2005-01-28 | 2011-11-15 | Qualcomm Incorporated | Physical layer repeater configuration for increasing MIMO performance |
JP2009532945A (ja) * | 2006-03-31 | 2009-09-10 | クゥアルコム・インコーポレイテッド | WiMAXシステム内の動作のための機能強化した物理層中継器 |
US8559379B2 (en) | 2006-09-21 | 2013-10-15 | Qualcomm Incorporated | Method and apparatus for mitigating oscillation between repeaters |
US8774079B2 (en) | 2006-10-26 | 2014-07-08 | Qualcomm Incorporated | Repeater techniques for multiple input multiple output utilizing beam formers |
Also Published As
Publication number | Publication date |
---|---|
BR0311966A (pt) | 2005-04-26 |
CN1663147A (zh) | 2005-08-31 |
EP1525678B1 (en) | 2008-07-30 |
US20050286448A1 (en) | 2005-12-29 |
AU2003239577A1 (en) | 2004-01-06 |
US8498234B2 (en) | 2013-07-30 |
EP1525678A4 (en) | 2006-09-20 |
ATE403286T1 (de) | 2008-08-15 |
WO2004002014A1 (en) | 2003-12-31 |
EP1525678A1 (en) | 2005-04-27 |
CA2486758A1 (en) | 2003-12-31 |
AU2008249714A1 (en) | 2008-12-18 |
DE60322541D1 (de) | 2008-09-11 |
KR20050010951A (ko) | 2005-01-28 |
MXPA04011588A (es) | 2005-03-07 |
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