JP5480916B2 - 光ファイバベースの分散型アンテナシステム、構成要素、及びその較正のための関連の方法 - Google Patents
光ファイバベースの分散型アンテナシステム、構成要素、及びその較正のための関連の方法 Download PDFInfo
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- JP5480916B2 JP5480916B2 JP2011549213A JP2011549213A JP5480916B2 JP 5480916 B2 JP5480916 B2 JP 5480916B2 JP 2011549213 A JP2011549213 A JP 2011549213A JP 2011549213 A JP2011549213 A JP 2011549213A JP 5480916 B2 JP5480916 B2 JP 5480916B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/271—Combination of different networks, e.g. star and ring configuration in the same network or two ring networks interconnected
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
- H04B10/25754—Star network topology
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
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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
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Description
本出願は、全体が本明細書において引用により組み込まれている2009年2月3日出願の「分散型アンテナシステム」という名称の米国特許仮出願番号第61/149,553号明細書に対する優先権を請求するものである。
本発明の開示の技術は、リモートアンテナユニットに光ファイバ上で無線周波数(RF)信号を配信するための光ファイバベースの分散型アンテナシステム及び関連の制御システム及び方法に関する。
610 HEU
612 主端子ボード
620 建造物インフラストラクチャー
630 カバレージエリア
650 RAU
Claims (10)
- 少なくとも1つの基地局(BTS)からダウンリンク電気無線周波数(RF)信号を受信するように構成されたダウンリンク基地局(BTS)インタフェースと、
光インタフェースモジュール(OIM)であって、前記ダウンリンクBTSインタフェースから前記ダウンリンク電気RF信号を受信し、それを少なくとも1つの通信ダウンリンク上のダウンリンク光ファイバ無線(RoF)信号に変換し、かつ少なくとも1つのリモートアンテナユニット(RAU)からアップリンクRoF信号を受信し、それを少なくとも1つの通信アップリンク上のアップリンクRF電気信号に変換するように構成された少なくとも1つの光インタフェースモジュール(OIM)と、
前記少なくとも1つの通信アップリンクから前記アップリンク電気RF信号を受信し、それを前記少なくとも1つのBTSに通信するように構成されたアップリンクBTSインタフェースと、
前記少なくとも1つの通信ダウンリンクに対する全ダウンリンク損失を判断し、前記全ダウンリンク損失からダウンリンクBTS損失を判断し、前記ダウンリンクBTS損失に基づいて前記ダウンリンクBTSインタフェースにおけるダウンリンクBTS較正利得を較正し、かつ前記少なくとも1つのRAUにおける少なくとも1つのRAU較正利得を前記全ダウンリンク損失から前記ダウンリンクBTS損失を差し引いたものとして較正するように構成されたコントローラと、を備え、
前記コントローラは、前記ダウンリンクBTSインタフェースにおける前記ダウンリンクBTS較正利得を該ダウンリンクBTSインタフェースにおける少なくとも1つの減衰器における該ダウンリンクBTS較正利得を設定することによって較正するように構成され、
前記コントローラは、前記少なくとも1つのRAUにおける前記少なくとも1つのRAU較正利得を該少なくとも1つのRAUにおける少なくとも1つの減衰器における該少なくとも1つのRAU較正利得を設定することによって較正するように構成される、
ことを特徴とする無線通信システム。 - 前記コントローラは、少なくとも1つのダウンリンク較正信号を前記少なくとも1つの通信ダウンリンク上で通信させるように更に構成される、
請求項1に記載の無線通信システム。 - 前記少なくとも1つのダウンリンク較正信号の周波数が、前記ダウンリンク電気RF信号の周波数と異なる、
請求項2に記載の無線通信システム。 - 前記コントローラは、前記少なくとも1つの通信ダウンリンク上で前記少なくとも1つのダウンリンク較正信号の入力信号強度を受信するように構成される、
請求項2に記載の無線通信システム。 - 前記コントローラは、前記少なくとも1つのRAUでの前記少なくとも1つのダウンリンク較正信号の末端信号強度を該少なくとも1つのダウンリンク較正信号の前記入力信号強度と比較することによって前記全ダウンリンク損失を判断するように構成される、
請求項4に記載の無線通信システム。 - 前記少なくとも1つのダウンリンク較正信号は、各々が異なる周波数を有する複数のダウンリンク較正信号から構成される、
請求項2に記載の無線通信システム。 - 前記コントローラは、前記少なくとも1つのダウンリンク較正信号を前記少なくとも1つの通信アップリンク上で送信させるように更に構成される、
請求項2に記載の無線通信システム。 - 前記コントローラは、電気RF信号及びRoF信号が前記少なくとも1つの通信ダウンリンク上で通信される間に前記BTS較正利得及び前記少なくとも1つのRAU較正利得を較正するように構成される、
請求項1、4、又は5のいずれか1項に記載の無線通信システム。 - 前記コントローラは、少なくとも1つのポイントにおいて前記ダウンリンクBTS較正利得を通信するように更に構成され、
前記コントローラは、少なくとも1つのポイントにおいて前記少なくとも1つのRAU較正利得を通信するように更に構成される、
請求項1、2、6、又は7のいずれか1項に記載の無線通信システム。 - 前記コントローラは、前記少なくとも1つのBTSに通信されるように構成された複数のBTS帯域に対して前記BTS較正利得及び前記少なくとも1つのRAU較正利得を較正するように更に構成される、
請求項9に記載の無線通信システム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US14955309P | 2009-02-03 | 2009-02-03 | |
US61/149,553 | 2009-02-03 | ||
US23046309P | 2009-07-31 | 2009-07-31 | |
US61/230,463 | 2009-07-31 | ||
PCT/US2010/022857 WO2010091004A1 (en) | 2009-02-03 | 2010-02-02 | Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof |
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JP2012517191A JP2012517191A (ja) | 2012-07-26 |
JP5480916B2 true JP5480916B2 (ja) | 2014-04-23 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011549213A Expired - Fee Related JP5480916B2 (ja) | 2009-02-03 | 2010-02-02 | 光ファイバベースの分散型アンテナシステム、構成要素、及びその較正のための関連の方法 |
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US (2) | US8532492B2 (ja) |
EP (1) | EP2394379B1 (ja) |
JP (1) | JP5480916B2 (ja) |
CN (1) | CN102369678B (ja) |
AU (1) | AU2010210771B2 (ja) |
WO (1) | WO2010091004A1 (ja) |
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WO2010091004A1 (en) | 2010-08-12 |
AU2010210771B2 (en) | 2015-09-17 |
JP2012517191A (ja) | 2012-07-26 |
CN102369678B (zh) | 2015-08-19 |
US8532492B2 (en) | 2013-09-10 |
US20120134673A1 (en) | 2012-05-31 |
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US9112611B2 (en) | 2015-08-18 |
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