JP5575230B2 - Cdmaビーコンパイロットを分散型リモートアンテナノードの出力に挿入する方法 - Google Patents
Cdmaビーコンパイロットを分散型リモートアンテナノードの出力に挿入する方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
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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
- H04B7/06—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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0671—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 delayed versions of same signal using different delays between antennas
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
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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
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Description
Claims (24)
- リモートアンテナノードへ同時送信トラヒックおよび非同時送信ビーコンを供給する通信システムであって、
同時送信CDMA−トラヒック−保持チャネル用符号分割多重接続方式(CDMA)基地局信号を受信して、デジタルサンプルを出力するホスト無線周波数(RF)デジタイザと、
ビーコンパイロット発生器から出力された前記サンプルを受信して、異なる疑似ノイズオフセットを有するデジタル的に遅延したCDMA−デジタル−ビーコン−パイロットサンプルを出力する通信的に結合した遅延バッファと、
異なる疑似ノイズオフセットを有する前記CDMA−デジタル−ビーコン−パイロットサンプルを前記ホストRFデジタイザから受信した前記デジタルサンプルに加えて、多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを形成する加算回路、および
前記多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを受信して、関連するリモートアンテナノードへ前記多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを送る、通信的に結合したフレーマ/シリアライザ
を含む、通信システム。 - 前記ビーコンパイロット発生器がCDMA RFビーコンパイロット発生器であり、前記ホストRFデジタイザが第1ホストRFデジタイザであり、前記第1ホストRFデジタイザが基地局から、CDMA RF基地局信号を受信してCDMAトラヒック保持信号用デジタルサンプルを出力し、前記通信システムが前記CDMA RFビーコンパイロット発生器からCDMA RFビーコンパイロットサンプルを受信し、CDMA−デジタル−ビーコン−パイロットサンプルを出力する第2ホストRFデジタイザを更に含む、請求項1に記載の通信システム。
- 前記リモートアンテナノードのそれぞれが関連した光ファイバを介して前記フレーマ/シリアライザに通信的に結合し、前記リモートアンテナノードの少なくとも1つが多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルストリームを受信する、請求項1に記載の通信システム。
- 前記ビーコンパイロット発生器がベースバンドビーコンパイロット発生器であり、前記通信システムが前記ベースバンドビーコンパイロット発生器からデジタルベースバンドサンプル出力を受信して、前記遅延バッファへデジタル中間周波数(IF)サンプルを出力するためのデジタルアップコンバータを更に含む、請求項1に記載の通信システム。
- 前記ビーコンパイロット発生器を更に含む、請求項1に記載の通信システム。
- 前記ビーコンパイロット発生器が、デジタルアップコンバータと一体化されて前記遅延バッファへデジタル中間周波数(IF)サンプルを出力するベースバンドビーコンパイロット発生器である、請求項5に記載の通信システム。
- 前記リモートアンテナノードの少なくとも1つが関連する多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルストリームを受信する、請求項1に記載の通信システム。
- 前記リモートアンテナノード、および
前記リモートアンテナノードの関連する1つにそれぞれ通信的に結合した光ファイバ、
を更に含む、請求項1に記載の通信システム。 - 前記ビーコンパイロット発生器が、デジタルビーコンパイロットを合成するために構成されたデジタル信号処理装置である、請求項1に記載の通信システム。
- リモートアンテナノードに同時送信符号分割多重接続方式(CDMA)トラヒックおよび非同時送信ビーコンパイロットを供給する分散型アンテナシステムであって、
デジタル基地局からCDMAデジタル基地局信号を受信し、CDMA−トラヒック−保持チャネル用のデジタルサンプルを出力する第1デジタルアップコンバータと、
ベースバンドビーコンパイロット発生器からデジタルベースバンドサンプルを受信し、デジタル中間周波数(IF)サンプルを出力する第2デジタルアップコンバータ、
通信的に結合して前記第2デジタルアップコンバータから前記デジタルIFサンプルを受信し、異なるタイミングオフセットを有するCDMA−デジタル−ビーコン−パイロットサンプルを出力するよう構成した遅延バッファ、および、
CDMA−トラヒック−保持チャネル用の前記デジタルサンプルに異なるタイミングオフセットを有する前記CDMA−デジタル−ビーコン−パイロットサンプルを加え合わせて多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを形成する加算回路
を含む、分散型アンテナシステム。 - 各多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを関連するリモートアンテナノードに送るために構成されたフレーマ/シリアライザを更に含む、請求項10に記載の分散型アンテナシステム。
- 各リモートアンテナノードが関連する光ファイバを介して前記フレーマ/シリアライザに通信的に結合される、請求項11に記載の分散型アンテナシステム。
- 前記ベースバンドビーコンパイロット発生器を更に含む、請求項10に記載の分散型アンテナシステム。
- 前記リモートアンテナノードの少なくとも1つが関連する多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルストリームを受信するよう通信的に結合される、請求項10に記載の分散型アンテナシステム。
- 前記リモートアンテナノード、および
前記リモートアンテナノードに通信的に結合した光ファイバ
を更に含む、請求項10に記載の分散型アンテナシステム。 - 前記ベースバンドビーコンパイロット発生器がデジタルビーコンパイロットを合成するために構成されたデジタル信号処理装置である、請求項10に記載の分散型アンテナシステム。
- 単一のビーコンパイロット発生器を使用して、異なるタイミング-オフセットを有する非同時送信CDMA−デジタル−ビーコン−パイロットサンプルと一緒に同時送信符号分割多重接続方式(CDMA)−トラヒック−保持チャネルを分散するための方法であって、
ホスト無線周波数デジタイザにて基地局からCDMA無線周波数信号を受信すること、
前記ホストRFデジタイザにてCDMA基地局信号をトラヒック−保持チャネル用デジタルサンプルに変換すること、
遅延バッファにてCDMA−デジタル−ビーコン−パイロットサンプルを受信すること、
前記遅延バッファからの異なるタイミングオフセットを有するCDMA−デジタル−ビーコン−パイロットサンプルを同時に傍受すること、
前記CDMA基地局デジタルサンプルに異なるタイミングオフセットを有する前記CDMA−デジタル−ビーコン−パイロットサンプルを加えて多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを形成すること、および
フレーマ/シリアライザにて多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルストリームを受信すること
を含む、方法。 - 前記ホストRFデジタイザは第1ホストRFデジタイザであり、前記遅延バッファにて前記CDMAデジタルビーコンパイロットを受信することが、
第2ホストRFデジタイザにてCDMA無線周波数ビーコンパイロット発生器からCDMA無線周波数ビーコンパイロットを受信すること、
前記第2ホストRFデジタイザにて前記CDMA無線周波数ビーコンパイロットをCDMA−デジタル−ビーコン−パイロットサンプルに変換すること、および
前記遅延バッファへ前記CDMA−デジタル−ビーコン−パイロットサンプルを送信すること
を含む請求項17に記載の方法。 - 前記フレーマ/シリアライザから関連するリモートアンテナノードへ各前記多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルストリームを送ることを更に含む、請求項17に記載の方法。
- リモートアンテナノードへ同時送信トラヒックおよび非同時送信ビーコンを供給するホストユニットであって、
同時送信CDMA−トラヒック−保持チャネル用符号分割多重接続方式(CDMA)基地局信号を受信して、デジタルサンプル出力するホスト無線周波数(RF)デジタイザと、
異なるタイミングオフセットを有するCDMA−デジタル−ビーコン−パイロットサンプルを前記ホストRFデジタイザから受信した前記デジタルサンプルに加えて、多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを形成する加算回路、および
関連するリモートアンテナノードに各多重同時送信−プラス−特有−オフセット−ビーコン−パイロットCDMAサンプルを出力するために構成されるフレーマ/シリアライザ
を含む、ホストユニット。 - ビーコンパイロット発生器から出力された前記サンプルを受信して、異なる疑似ノイズオフセットを有するデジタル的に遅延したCDMA−デジタル−ビーコン−パイロットサンプルを出力する通信的に結合した遅延バッファを更に含む、請求項20に記載のホストユニット。
- 前記遅延バッファへデジタル中間周波数サンプルを出力するように構成した前記ビーコンパイロット発生器を更に含む、請求項21に記載のホストユニット。
- デジタルベースバンドサンプルをベースバンド出力するように構成された前記ビーコンパイロット発生器と、
前記デジタルベースバンドサンプルを受信して、前記遅延バッファへデジタル中間周波数サンプルを出力するデジタルアップコンバータと、
を更に含む、請求項21に記載のホストユニット。 - 前記ビーコンパイロット発生器がベースバンドビーコンパイロット発生器であり、前記加算回路が、外部ビーコンパイロット発生器から異なる疑似ノイズオフセットを有する前記CDMA−デジタル−ビーコン−パイロットサンプルを受信し、
デジタルベースバンドサンプルを出力する前記ベースバンドビーコンパイロット発生器、
前記ベースバンドビーコンパイロット発生器から前記デジタルベースバンドサンプルを受信し、遅延バッファにデジタル中間周波数(IF)サンプルを出力するデジタルアップコンバータ、および
前記デジタルアップコンバータから前記デジタルIFサンプル出力を受信するために通信的に結合し、異なる疑似ノイズオフセットを有するアウトプットCDMA−デジタル−ビーコン−パイロットサンプルを出力するために構成した前記遅延バッファ
を含む、請求項21に記載のホストユニット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/468,122 US9001811B2 (en) | 2009-05-19 | 2009-05-19 | Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes |
US12/468,122 | 2009-05-19 | ||
PCT/US2010/035187 WO2010135276A1 (en) | 2009-05-19 | 2010-05-18 | Method of inserting cdma beacon pilots in output of distributed remote antenna nodes |
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JP2012527834A JP2012527834A (ja) | 2012-11-08 |
JP5575230B2 true JP5575230B2 (ja) | 2014-08-20 |
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US (1) | US9001811B2 (ja) |
EP (1) | EP2433375A4 (ja) |
JP (1) | JP5575230B2 (ja) |
KR (1) | KR20120016650A (ja) |
CN (1) | CN102460997A (ja) |
AU (1) | AU2010249770A1 (ja) |
BR (1) | BRPI1012858A2 (ja) |
CA (1) | CA2761695A1 (ja) |
WO (1) | WO2010135276A1 (ja) |
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EP2433375A4 (en) | 2014-01-01 |
EP2433375A1 (en) | 2012-03-28 |
WO2010135276A1 (en) | 2010-11-25 |
CA2761695A1 (en) | 2010-11-25 |
KR20120016650A (ko) | 2012-02-24 |
JP2012527834A (ja) | 2012-11-08 |
BRPI1012858A2 (pt) | 2018-03-06 |
AU2010249770A1 (en) | 2011-12-22 |
US20100296458A1 (en) | 2010-11-25 |
US9001811B2 (en) | 2015-04-07 |
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