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) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8594133B2 (en) | 2007-10-22 | 2013-11-26 | Corning Mobileaccess Ltd. | Communication system using low bandwidth wires |
JP2012517190A (ja) | 2009-02-03 | 2012-07-26 | コーニング ケーブル システムズ リミテッド ライアビリティ カンパニー | 光ファイバベースの分散型アンテナシステム、構成要素、及びそのモニタリング及び構成のための関連の方法 |
US8588614B2 (en) * | 2009-05-22 | 2013-11-19 | Extenet Systems, Inc. | Flexible distributed antenna system |
US8280259B2 (en) | 2009-11-13 | 2012-10-02 | Corning Cable Systems Llc | Radio-over-fiber (RoF) system for protocol-independent wired and/or wireless communication |
US8275265B2 (en) | 2010-02-15 | 2012-09-25 | Corning Cable Systems Llc | Dynamic cell bonding (DCB) for radio-over-fiber (RoF)-based networks and communication systems and related methods |
US9525488B2 (en) | 2010-05-02 | 2016-12-20 | Corning Optical Communications LLC | Digital data services and/or power distribution in optical fiber-based distributed communications systems providing digital data and radio frequency (RF) communications services, and related components and methods |
US20110268446A1 (en) | 2010-05-02 | 2011-11-03 | Cune William P | Providing digital data services in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods |
EP2606707A1 (en) | 2010-08-16 | 2013-06-26 | Corning Cable Systems LLC | Remote antenna clusters and related systems, components, and methods supporting digital data signal propagation between remote antenna units |
US9252874B2 (en) | 2010-10-13 | 2016-02-02 | Ccs Technology, Inc | Power management for remote antenna units in distributed antenna systems |
WO2012115843A1 (en) | 2011-02-21 | 2012-08-30 | Corning Cable Systems Llc | Providing digital data services as electrical signals and radio-frequency (rf) communications over optical fiber in distributed communications systems, and related components and methods |
EP2702780A4 (en) | 2011-04-29 | 2014-11-12 | Corning Cable Sys Llc | SYSTEMS, METHODS AND DEVICES FOR INCREASING HIGH-FREQUENCY (HF) PERFORMANCE IN DISTRIBUTED ANTENNA SYSTEMS |
US9276685B2 (en) * | 2011-10-14 | 2016-03-01 | Qualcomm Incorporated | Distributed antenna systems and methods of wireless communications for facilitating simulcasting and de-simulcasting of downlink transmissions |
US9312941B2 (en) | 2011-10-14 | 2016-04-12 | Qualcomm Incorporated | Base stations and methods for facilitating dynamic simulcasting and de-simulcasting in a distributed antenna system |
WO2013070613A1 (en) * | 2011-11-07 | 2013-05-16 | Dali Systems Co. Ltd. | Virtualized wireless network |
EP2829152A2 (en) | 2012-03-23 | 2015-01-28 | Corning Optical Communications Wireless Ltd. | Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods |
EP2832012A1 (en) | 2012-03-30 | 2015-02-04 | Corning Optical Communications LLC | Reducing location-dependent interference in distributed antenna systems operating in multiple-input, multiple-output (mimo) configuration, and related components, systems, and methods |
US9107086B2 (en) * | 2012-07-20 | 2015-08-11 | Adc Telecommunications, Inc. | Integration panel |
DE202013012858U1 (de) | 2012-08-09 | 2021-05-07 | Axel Wireless Ltd. | Kapazitätszentriertes digitales verteiltes Antennensystem |
US9455784B2 (en) | 2012-10-31 | 2016-09-27 | Corning Optical Communications Wireless Ltd | Deployable wireless infrastructures and methods of deploying wireless infrastructures |
EP2926466A1 (en) | 2012-11-29 | 2015-10-07 | Corning Optical Communications LLC | HYBRID INTRA-CELL / INTER-CELL REMOTE UNIT ANTENNA BONDING IN MULTIPLE-INPUT, MULTIPLE-OUTPUT (MIMO) DISTRIBUTED ANTENNA SYSTEMS (DASs) |
CN103560977B (zh) * | 2013-11-19 | 2016-06-22 | 山东电力工程咨询院有限公司 | 具有输出延迟可精确配置能力的e1成帧控制器及工作方法 |
WO2015103601A1 (en) * | 2014-01-06 | 2015-07-09 | Dali Systems Co. Ltd. | Network switch for a distributed antenna network |
US9775123B2 (en) | 2014-03-28 | 2017-09-26 | Corning Optical Communications Wireless Ltd. | Individualized gain control of uplink paths in remote units in a distributed antenna system (DAS) based on individual remote unit contribution to combined uplink power |
US9525472B2 (en) | 2014-07-30 | 2016-12-20 | Corning Incorporated | Reducing location-dependent destructive interference in distributed antenna systems (DASS) operating in multiple-input, multiple-output (MIMO) configuration, and related components, systems, and methods |
US9730228B2 (en) | 2014-08-29 | 2017-08-08 | Corning Optical Communications Wireless Ltd | Individualized gain control of remote uplink band paths in a remote unit in a distributed antenna system (DAS), based on combined uplink power level in the remote unit |
EP3198755B1 (en) | 2014-09-23 | 2020-12-23 | Axell Wireless Ltd. | Automatic mapping and handling pim and other uplink interferences in digital distributed antenna systems |
US9420542B2 (en) | 2014-09-25 | 2016-08-16 | Corning Optical Communications Wireless Ltd | System-wide uplink band gain control in a distributed antenna system (DAS), based on per band gain control of remote uplink paths in remote units |
US9184960B1 (en) | 2014-09-25 | 2015-11-10 | Corning Optical Communications Wireless Ltd | Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference |
US10659163B2 (en) | 2014-09-25 | 2020-05-19 | Corning Optical Communications LLC | Supporting analog remote antenna units (RAUs) in digital distributed antenna systems (DASs) using analog RAU digital adaptors |
WO2016071902A1 (en) | 2014-11-03 | 2016-05-12 | Corning Optical Communications Wireless Ltd. | Multi-band monopole planar antennas configured to facilitate improved radio frequency (rf) isolation in multiple-input multiple-output (mimo) antenna arrangement |
US9967003B2 (en) * | 2014-11-06 | 2018-05-08 | Commscope Technologies Llc | Distributed antenna system with dynamic capacity allocation and power adjustment |
WO2016075696A1 (en) | 2014-11-13 | 2016-05-19 | Corning Optical Communications Wireless Ltd. | Analog distributed antenna systems (dass) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (rf) communications signals |
US9729267B2 (en) | 2014-12-11 | 2017-08-08 | Corning Optical Communications Wireless Ltd | Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting |
WO2016098111A1 (en) | 2014-12-18 | 2016-06-23 | Corning Optical Communications Wireless Ltd. | Digital- analog interface modules (da!ms) for flexibly.distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
WO2016098109A1 (en) | 2014-12-18 | 2016-06-23 | Corning Optical Communications Wireless Ltd. | Digital interface modules (dims) for flexibly distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
WO2016105478A1 (en) | 2014-12-23 | 2016-06-30 | Axell Wireless Ltd. | Harmonizing noise aggregation and noise management in distributed antenna system |
US10966055B1 (en) | 2019-01-02 | 2021-03-30 | Locationdas Inc. | Positioning using distributed antenna system with service and location information availability monitoring and dynamic recovery |
US11949493B2 (en) * | 2021-12-20 | 2024-04-02 | Hughes Network Systems, Llc | Mobile terminal and methods of use |
Family Cites Families (279)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845487A (en) * | 1972-09-26 | 1974-10-29 | U Lammers | Radio direction finding system |
US3931473A (en) * | 1974-09-03 | 1976-01-06 | Trw Inc. | Digital multiplexer system |
US4106023A (en) * | 1975-02-24 | 1978-08-08 | Baghdady Elie J | Navigation aid system |
US4112488A (en) * | 1975-03-07 | 1978-09-05 | The Charles Stark Draper Laboratory, Inc. | Fault-tolerant network with node branching |
IT1070376B (it) | 1976-03-22 | 1985-03-29 | Sina Spa | Metodo ed apparecchiatura per le radiocomunicazioni e/o radiosegnalazioni in ambienti limitati con prevalente sviluppo longitudinale e collegati con l'esterno alle estremita'anche sotterranei specialmente gallerie anche di notevole lunghezza |
JPS5328310A (en) * | 1976-08-30 | 1978-03-16 | Nippon Telegr & Teleph Corp <Ntt> | Mobile radio control system |
US4101834A (en) * | 1976-09-13 | 1978-07-18 | General Electric Company | Methods and apparatus for rejection of interference in a digital communications system |
US4144411A (en) * | 1976-09-22 | 1979-03-13 | Bell Telephone Laboratories, Incorporated | Cellular radiotelephone system structured for flexible use of different cell sizes |
CA1122686A (en) * | 1977-05-31 | 1982-04-27 | David W. Wind | Locating device |
US4183054A (en) | 1977-09-30 | 1980-01-08 | Harris Corporation | Digital, frequency-translated, plural-channel, vestigial sideband television communication system |
FR2416596A1 (fr) * | 1978-02-07 | 1979-08-31 | Telecommunications Sa | Systeme de transmission numerique multipoint a division du temps |
JPS54127209A (en) * | 1978-03-27 | 1979-10-03 | Hitachi Denshi Ltd | Structure system of radio equipment |
US4451699A (en) * | 1979-12-31 | 1984-05-29 | Broadcom, Inc. | Communications system and network |
US4451916A (en) * | 1980-05-12 | 1984-05-29 | Harris Corporation | Repeatered, multi-channel fiber optic communication network having fault isolation system |
CA1159972A (en) * | 1980-05-15 | 1984-01-03 | Zdzistaw A. A. Krajewski | 2-wire frequency division multiplex system |
US4354167A (en) * | 1980-12-08 | 1982-10-12 | 501 Centre De Recherche Industrielle Du Quebec | Multi-subscriber differentiation and distribution switching system having interchangeable differentiating circuits |
US4831662A (en) * | 1981-07-29 | 1989-05-16 | Optical Communications Corp. | Fiber optic data transmitting system |
JPS58164007U (ja) | 1982-04-22 | 1983-11-01 | 谷村株式会社新興製作所 | ドツトプリントマグネツトの定電流駆動回路 |
JPS58190156A (ja) * | 1982-04-30 | 1983-11-07 | Nec Corp | 光受信装置 |
US4456793A (en) * | 1982-06-09 | 1984-06-26 | Bell Telephone Laboratories, Incorporated | Cordless telephone system |
US4485486A (en) * | 1982-08-03 | 1984-11-27 | Motorola, Inc. | Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radio telephones in a cellular radiotelephone communications system |
NL8203600A (nl) * | 1982-09-17 | 1984-04-16 | Philips Nv | Hoofdeinde en ontvanger voor een signaaldistributiesysteem. |
US4525861A (en) * | 1982-11-12 | 1985-06-25 | Motorola, Inc. | Zoned data communications system for communicating message signals between portable radios and a host computer |
US4691292A (en) * | 1983-04-13 | 1987-09-01 | Rca Corporation | System for digital multiband filtering |
US4475010A (en) * | 1983-05-05 | 1984-10-02 | At&T Bell Laboratories | High density cellular mobile radio communications |
DE3318774A1 (de) * | 1983-05-24 | 1984-11-29 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur uebertragung von digital codierten analogsignalen |
US4612990A (en) * | 1983-08-01 | 1986-09-23 | Mobil Oil Corporation | Method for diverting steam in thermal recovery process |
US4596051A (en) * | 1983-08-29 | 1986-06-17 | Feldman Nathan W | Optical interface to an electrical central office |
US4628501A (en) * | 1983-12-29 | 1986-12-09 | The United States Of America As Represented By The Secretary Of The Army | Optical communications systems |
US4556760A (en) * | 1984-06-11 | 1985-12-03 | Itt Corporation | Hand-off filter for cellular mobile radio |
DE3424163A1 (de) | 1984-06-30 | 1986-01-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Funktelefonsystem |
SE458734B (sv) * | 1984-10-31 | 1989-04-24 | Ericsson Telefon Ab L M | Foerfarande att utoeka antalet samtalsmoejligheter i ett mobiltelefonsystem |
US4718004A (en) * | 1985-02-25 | 1988-01-05 | Honeywell Inc. | Sample data acquisition system using microprocessor controlled sequence having FIFO buffer, DAM controller |
US4726644A (en) * | 1985-07-08 | 1988-02-23 | General Dynamics Electronics Division | RF frequency multiplexed fiber optic data bus |
US4667319A (en) * | 1985-07-29 | 1987-05-19 | Gte Sprint Communications Corporation | Digital repeater with 3-way branching of service channels |
US4849963A (en) * | 1985-10-15 | 1989-07-18 | Minori Kawano | Cellular radio telephone enhancement circuit |
DE3578240D1 (de) * | 1985-12-04 | 1990-07-19 | Ibm | Multiplexschnittstelle fuer eine uebertragungssteuerung. |
JPH0746877B2 (ja) * | 1985-12-11 | 1995-05-17 | 株式会社日立製作所 | 移動無線通信システム |
US4704733A (en) * | 1985-12-16 | 1987-11-03 | Minoru Kawano | Cell enhancer for cellular radio telephone system having diversity function |
US4701909A (en) * | 1986-07-24 | 1987-10-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Collision detection technique for an optical passive star local area network using CSMA/CD |
US4754451A (en) * | 1986-08-06 | 1988-06-28 | American Telephone And Telegraph Company, At&T Bell Laboratories | N-by-N "knockout" switch for a high-performance packet switching system with variable length packets |
GB2197531B (en) * | 1986-11-08 | 1991-02-06 | Stc Plc | Distributed feedback laser |
GB8727846D0 (en) * | 1987-11-27 | 1987-12-31 | British Telecomm | Optical communications network |
US4816825A (en) * | 1987-02-27 | 1989-03-28 | Zenith Electronics Corporation | Method and apparatus for power level control in area networks |
DE3707244A1 (de) | 1987-03-06 | 1988-09-15 | Siemens Ag | Verfahren zur digitalen uebertragung von hoerrundfunksignalen |
US4759051A (en) * | 1987-03-16 | 1988-07-19 | A. A. Hopeman, III | Communications system |
US4797947A (en) * | 1987-05-01 | 1989-01-10 | Motorola, Inc. | Microcellular communications system using macrodiversity |
CA1317667C (en) * | 1987-11-02 | 1993-05-11 | Michel Dufresne | Catv subscriber terminal transmission control |
GB2214755B (en) * | 1988-01-29 | 1992-06-24 | Walmore Electronics Limited | Distributed antenna system |
JPH022727A (ja) * | 1988-06-17 | 1990-01-08 | Shiyoudenriyoku Kosoku Tsushin Kenkyusho:Kk | 光ファイバを介した電波送受信方式 |
GB8826476D0 (en) | 1988-11-11 | 1988-12-14 | British Telecomm | Communications system |
US5682256A (en) | 1988-11-11 | 1997-10-28 | British Telecommunications Public Limited Company | Communications system |
US4932049A (en) * | 1989-02-06 | 1990-06-05 | Pactel Corporation | Cellular telephone system |
US5193109A (en) * | 1989-02-06 | 1993-03-09 | Pactel Corporation | Zoned microcell with sector scanning for cellular telephone system |
US5272700A (en) | 1989-02-28 | 1993-12-21 | First Pacific Networks, Inc. | Spectrally efficient broadband transmission system |
US4959829A (en) * | 1989-03-30 | 1990-09-25 | Wang Laboratories, Inc. | Dual cable communication system |
CA2008900C (en) | 1989-04-04 | 1998-01-20 | Ta-Shing Chu | Optical fiber microcellular mobile radio |
SE8903455D0 (sv) | 1989-10-19 | 1989-10-19 | Joakim Nelson | Dynamiska digitala foerbindelsenaet (dfn) |
US4999831A (en) * | 1989-10-19 | 1991-03-12 | United Telecommunications, Inc. | Synchronous quantized subcarrier multiplexer for digital transport of video, voice and data |
US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
US5067147A (en) * | 1989-11-07 | 1991-11-19 | Pactel Corporation | Microcell system for cellular telephone system |
US5136410A (en) * | 1990-01-09 | 1992-08-04 | Ibm Corporation | Optical fiber link control safety system |
US5084869A (en) * | 1990-01-31 | 1992-01-28 | At&T Bell Laboratories | Base station for mobile radio telecommunications systems |
GB9008162D0 (en) | 1990-04-10 | 1990-06-06 | British Telecomm | Signal distribution |
FR2662879B1 (fr) | 1990-05-30 | 1994-03-25 | Alcatel Cit | Procede de maintenance centralisee, pour un reseau de telephone sans fil. |
DE4019224A1 (de) | 1990-06-15 | 1991-12-19 | Standard Elektrik Lorenz Ag | Funk-nachrichtenuebertragungssystem, insbesondere zellulares mobilfunksystem |
US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
DE4022267C2 (de) | 1990-07-12 | 1994-09-15 | Degussa | N-Acyldipeptide und deren Verwendung |
CA2041705A1 (en) | 1990-07-25 | 1992-01-26 | Jesse Eugene Russell | Method and apparatus for providing wireless communications between remote locations |
EP0476569B1 (en) | 1990-09-17 | 1996-12-18 | Nec Corporation | Mobile communication system |
US5587734A (en) | 1990-09-28 | 1996-12-24 | Ictv, Inc. | User interface for selecting television information services through pseudo-channel access |
US5442700A (en) | 1990-09-28 | 1995-08-15 | Ictv, Inc. | Scrambling method |
US5138440A (en) | 1990-10-29 | 1992-08-11 | General Instrument Corporation | Method and apparatus for communicating a plurality of asynchronous signals over a digital communication path |
US5299198A (en) | 1990-12-06 | 1994-03-29 | Hughes Aircraft Company | Method and apparatus for exploitation of voice inactivity to increase the capacity of a time division multiple access radio communications system |
IL100213A (en) | 1990-12-07 | 1995-03-30 | Qualcomm Inc | Mikrata Kedma phone system and its antenna distribution system |
US5067173A (en) * | 1990-12-20 | 1991-11-19 | At&T Bell Laboratories | Microcellular communications system using space diversity reception |
US5802173A (en) | 1991-01-15 | 1998-09-01 | Rogers Cable Systems Limited | Radiotelephony system |
US5809395A (en) | 1991-01-15 | 1998-09-15 | Rogers Cable Systems Limited | Remote antenna driver for a radio telephony system |
GB2253770B (en) | 1991-01-15 | 1996-01-10 | Rogers Communications Inc | Radiotelephony system |
US5263177A (en) | 1991-01-22 | 1993-11-16 | Motorola, Inc. | Modified simulcast communication system |
US5099248A (en) * | 1991-03-15 | 1992-03-24 | Lockheed Sanders, Inc. | Transmission signal direction finding apparatus and method |
US5175867A (en) | 1991-03-15 | 1992-12-29 | Telefonaktiebolaget L M Ericsson | Neighbor-assisted handoff in a cellular communications system |
US5243598A (en) * | 1991-04-02 | 1993-09-07 | Pactel Corporation | Microcell system in digital cellular |
CA2066946A1 (en) | 1991-05-16 | 1992-11-17 | George Philip Vella-Coleiro | Apparatus and method for synchronizing a plurality of remote transmission and receiving stations |
US5321849A (en) * | 1991-05-22 | 1994-06-14 | Southwestern Bell Technology Resources, Inc. | System for controlling signal level at both ends of a transmission link based on a detected valve |
US5285469A (en) | 1991-06-03 | 1994-02-08 | Omnipoint Data Corporation | Spread spectrum wireless telephone system |
SE468696B (sv) | 1991-06-20 | 1993-03-01 | Ericsson Telefon Ab L M | Foerfarande att utfoera handover i ett mobilradiosystem med celler i flera skikt |
US5195090A (en) | 1991-07-09 | 1993-03-16 | At&T Bell Laboratories | Wireless access telephone-to-telephone network interface architecture |
CA2067637C (en) | 1991-07-29 | 1997-11-18 | John Lappington | System for distributing radio telephone signals over a cable television network |
JP3026031B2 (ja) | 1991-08-02 | 2000-03-27 | 株式会社ソフィア | 遊技機 |
US5545397A (en) | 1991-10-23 | 1996-08-13 | Boron Biologicals, Inc. | Contrast agents and compositions for radiological imaging, and radiological imaging method utilizing same |
WO1993012596A1 (en) | 1991-12-16 | 1993-06-24 | Motorola, Inc. | Optical distribution system |
US5461627A (en) | 1991-12-24 | 1995-10-24 | Rypinski; Chandos A. | Access protocol for a common channel wireless network |
US5227679A (en) | 1992-01-02 | 1993-07-13 | Advanced Micro Devices, Inc. | Cmos digital-controlled delay gate |
CA2125411E (en) | 1992-01-03 | 1996-06-25 | Andrew S. Beasley | Distributed rf repeater arrangement and method for linking wireless handsets to basestations |
CA2058737C (en) | 1992-01-03 | 1997-03-18 | Andrew S. Beasley | Rf repeater arrangement with improved frequency reuse for wireless telephones |
US5267261A (en) | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
US5339184A (en) * | 1992-06-15 | 1994-08-16 | Gte Laboratories Incorporated | Fiber optic antenna remoting for multi-sector cell sites |
US5303287A (en) | 1992-08-13 | 1994-04-12 | Hughes Aircraft Company | Integrated personal/cellular communications system architecture |
US5627879A (en) | 1992-09-17 | 1997-05-06 | Adc Telecommunications, Inc. | Cellular communications system with centralized base stations and distributed antenna units |
US5404570A (en) | 1992-11-23 | 1995-04-04 | Telefonaktiebolaget L M Ericsson | Radio coverage in closed environments |
US5317323A (en) | 1993-03-05 | 1994-05-31 | E-Systems, Inc. | Passive high accuracy geolocation system and method |
US5327144A (en) | 1993-05-07 | 1994-07-05 | Associated Rt, Inc. | Cellular telephone location system |
WO1995000821A1 (en) | 1993-06-25 | 1995-01-05 | Omniplex, Inc. | Determination of location using time-synchronized cell site transmissions |
US5539730A (en) | 1994-01-11 | 1996-07-23 | Ericsson Ge Mobile Communications Inc. | TDMA/FDMA/CDMA hybrid radio access methods |
US5457557A (en) | 1994-01-21 | 1995-10-10 | Ortel Corporation | Low cost optical fiber RF signal distribution system |
WO1995033350A1 (en) | 1994-06-01 | 1995-12-07 | Airnet Communications Corp. | Wideband wireless basestation making use of time division multiple-access bus to effect switchable connections to modulator/demodulator resources |
US5519691A (en) | 1994-06-03 | 1996-05-21 | At&T Corp. | Arrangement for and method of providing radio frequency access to a switching system |
US5987014A (en) | 1994-07-14 | 1999-11-16 | Stanford Telecommunications, Inc. | Multipath resistant, orthogonal code-division multiple access system |
JP3457068B2 (ja) | 1994-09-14 | 2003-10-14 | アジレント・テクノロジー株式会社 | 適正な出力信号を得る装置および方法 |
US6334219B1 (en) | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
US5602903A (en) | 1994-09-28 | 1997-02-11 | Us West Technologies, Inc. | Positioning system and method |
US5724385A (en) | 1994-09-30 | 1998-03-03 | Qualcomm Incorporated | Serial linked interconnect for summation of multiple waveforms on a common channel |
US5563606A (en) | 1994-10-03 | 1996-10-08 | Motorola, Inc. | Dynamic mapping apparatus for mobile unit acquisition and method therefor |
US5592470A (en) | 1994-12-21 | 1997-01-07 | At&T | Broadband wireless system and network architecture providing broadband/narrowband service with optimal static and dynamic bandwidth/channel allocation |
US5592480A (en) | 1995-03-13 | 1997-01-07 | Carney; Ronald R. | Wideband wireless basestation making use of time division multiple-access bus having selectable number of time slots and frame synchronization to support different modulation standards |
US5822324A (en) | 1995-03-16 | 1998-10-13 | Bell Atlantic Network Services, Inc. | Simulcasting digital video programs for broadcast and interactive services |
US5761619A (en) | 1995-03-23 | 1998-06-02 | Telefoanktiebolaget Lm Ericsson | Distributed telecommunications system |
EP0971541A3 (en) | 1995-03-24 | 2000-08-23 | PPT Vision, Inc. | High speed digital video serial link |
US5586121A (en) | 1995-04-21 | 1996-12-17 | Hybrid Networks, Inc. | Asymmetric hybrid access system and method |
US5630204A (en) | 1995-05-01 | 1997-05-13 | Bell Atlantic Network Services, Inc. | Customer premise wireless distribution of broad band signals and two-way communication of control signals over power lines |
US5708961A (en) | 1995-05-01 | 1998-01-13 | Bell Atlantic Network Services, Inc. | Wireless on-premises video distribution using digital multiplexing |
US5781541A (en) | 1995-05-03 | 1998-07-14 | Bell Atlantic Network Services, Inc. | CDMA system having time-distributed transmission paths for multipath reception |
US5508708A (en) | 1995-05-08 | 1996-04-16 | Motorola, Inc. | Method and apparatus for location finding in a CDMA system |
US5552920A (en) | 1995-06-07 | 1996-09-03 | Glynn; Thomas W. | Optically crosslinked communication system (OCCS) |
US6133871A (en) | 1995-10-09 | 2000-10-17 | Snaptrack, Inc. | GPS receiver having power management |
US5732076A (en) | 1995-10-26 | 1998-03-24 | Omnipoint Corporation | Coexisting communication systems |
IT1281001B1 (it) | 1995-10-27 | 1998-02-11 | Cselt Centro Studi Lab Telecom | Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio. |
US6005884A (en) | 1995-11-06 | 1999-12-21 | Ems Technologies, Inc. | Distributed architecture for a wireless data communications system |
US5774789A (en) | 1995-12-14 | 1998-06-30 | Allen Telecom Inc. | RF communication signal distribution system and method |
US5794153A (en) * | 1995-12-26 | 1998-08-11 | Lucent Technologies Inc. | Estimating PCS traffic from radio port measurements |
US6108113A (en) | 1995-12-29 | 2000-08-22 | Mci Communications Corporation | Method and system for transporting ancillary network data |
US6084889A (en) | 1996-02-14 | 2000-07-04 | Hitachi, Ltd. | ATM multiplexing apparatus, ATM demultiplexing apparatus, and communication network with the apparatus |
US5970410A (en) | 1996-02-27 | 1999-10-19 | Airnet Communications Corp. | Cellular system plan using in band-translators to enable efficient deployment of high capacity base transceiver systems |
CA2251959C (en) | 1996-04-19 | 2001-12-25 | Lgc Wireless, Inc. | Distribution of radio-frequency signals through low bandwidth infrastructures |
US5907544A (en) | 1996-05-10 | 1999-05-25 | Rypinski; Chandos A. | Hub controller architecture and function for a multiple access-point wireless communication network |
US5781865A (en) | 1996-05-20 | 1998-07-14 | Scientific Research Corporation | PCS cell site system for allowing a plurality of PCS providers to share cell site antennas |
US5765097A (en) | 1996-05-20 | 1998-06-09 | At & T Corp | Shared hybrid fiber-coax network having reduced ingress noise in the upstream channel transmitted via a repeater |
US5828661A (en) | 1996-05-22 | 1998-10-27 | Qualcomm Incorporated | Method and apparatus for providing a cone of silence in a cellular communication system |
US5848063A (en) | 1996-05-23 | 1998-12-08 | Qualcomm Incorporated | Method and apparatus for hard handoff in a CDMA system |
US6580905B1 (en) | 1996-07-02 | 2003-06-17 | Ericsson Inc. | System and method for controlling the level of signals output to transmission media in a distributed antenna network |
US5878325A (en) | 1996-07-12 | 1999-03-02 | At&T Corp | Hybrid fiber-coax system having at least one digital fiber node |
US6128470A (en) | 1996-07-18 | 2000-10-03 | Ericsson Inc. | System and method for reducing cumulative noise in a distributed antenna network |
US5805983A (en) | 1996-07-18 | 1998-09-08 | Ericsson Inc. | System and method for equalizing the delay time for transmission paths in a distributed antenna network |
US6480702B1 (en) | 1996-08-01 | 2002-11-12 | Transcept, Inc. | Apparatus and method for distributing wireless communications signals to remote cellular antennas |
US5790529A (en) | 1996-08-01 | 1998-08-04 | Motorola, Inc. | Communications network node with switched channelizer architecture |
US5774660A (en) | 1996-08-05 | 1998-06-30 | Resonate, Inc. | World-wide-web server with delayed resource-binding for resource-based load balancing on a distributed resource multi-node network |
US6236365B1 (en) | 1996-09-09 | 2001-05-22 | Tracbeam, Llc | Location of a mobile station using a plurality of commercial wireless infrastructures |
US5946622A (en) | 1996-11-19 | 1999-08-31 | Ericsson Inc. | Method and apparatus for providing cellular telephone service to a macro-cell and pico-cell within a building using shared equipment |
US6205133B1 (en) | 1996-11-25 | 2001-03-20 | Ericsson Inc. | Flexible wideband architecture for use in radio communications systems |
IL119832A (en) | 1996-12-15 | 2001-01-11 | Foxcom Wireless Ltd | Wireless communications systems employing optical fibers |
GB2320653A (en) | 1996-12-23 | 1998-06-24 | Northern Telecom Ltd | Mobile Communications Network Using Alternative Protocols |
US6034950A (en) | 1996-12-27 | 2000-03-07 | Motorola Inc. | System packet-based centralized base station controller |
IL119972A (en) | 1997-01-07 | 2001-01-28 | Foxcom Ltd | Satellite distributed television |
CA2279343C (en) | 1997-02-03 | 2003-10-07 | Barry J. Ethridge | Distributed ethernet hub |
US5987326A (en) | 1997-02-11 | 1999-11-16 | Qualcomm Incorporated | Transmit power reduction for a high speed CDMA link in soft handoff |
AU732339B2 (en) | 1997-02-19 | 2001-04-12 | Next Level Communications Inc. | Video, data and telephony gateway |
US6112086A (en) | 1997-02-25 | 2000-08-29 | Adc Telecommunications, Inc. | Scanning RSSI receiver system using inverse fast fourier transforms for a cellular communications system with centralized base stations and distributed antenna units |
EP0876073A3 (en) | 1997-05-01 | 2000-03-01 | AT&T Corp. | Dual-mode telephone for cordless and cellular networks |
US5970414A (en) | 1997-05-30 | 1999-10-19 | Lucent Technologies, Inc. | Method for estimating a mobile-telephone's location |
SE9702271D0 (sv) | 1997-06-13 | 1997-06-13 | Ericsson Telefon Ab L M | Återanvändning av fysisk kontrollkanal i ett distribuerat cellulärt radiokommunikationssystem |
US6097712A (en) * | 1997-06-20 | 2000-08-01 | Nortel Networks Limited | Multi-carrier CDMA communications systems |
CA2302466A1 (en) | 1997-07-31 | 1999-02-11 | Stanford Syncom Inc. | Means and method for a synchronous network communications system |
US6201802B1 (en) * | 1997-08-29 | 2001-03-13 | Qualcomm Inc. | Method and apparatus for analyzing base station timing |
US6078571A (en) | 1997-09-19 | 2000-06-20 | Motorola, Inc. | Apparatus and method for transmitting beacon signals in a communication system |
US6907048B1 (en) | 1997-10-14 | 2005-06-14 | Alvarion Israel (2003) Ltd. | Method and apparatus for transporting ethernet data packets via radio frames in a wireless metropolitan area network |
US6463301B1 (en) | 1997-11-17 | 2002-10-08 | Nortel Networks Limited | Base stations for use in cellular communications systems |
US6480551B1 (en) | 1997-11-18 | 2002-11-12 | Sony Corporation | Signal processing device and method for switching signal processors thereof |
GB2331666A (en) | 1997-11-20 | 1999-05-26 | Dsc Telecom Lp | Subscriber Terminal for a Wireless Telecommunications System |
JP3812787B2 (ja) | 1997-11-20 | 2006-08-23 | 株式会社日立国際電気 | 光変換中継増幅システム |
US6195342B1 (en) | 1997-11-25 | 2001-02-27 | Motorola, Inc. | Method for determining hand-off candidates in a neighbor set in a CDMA communication system |
US6263135B1 (en) | 1997-12-13 | 2001-07-17 | Lightchip, Inc. | Wavelength division multiplexing/demultiplexing devices using high index of refraction crystalline lenses |
US6157659A (en) | 1997-12-19 | 2000-12-05 | Nortel Networks Corporation | Method of and apparatus for multiplexing and demultiplexing digital signal streams |
US6374124B1 (en) | 1997-12-24 | 2002-04-16 | Transcept, Inc. | Dynamic reallocation of transceivers used to interconnect wireless telephones to a broadband network |
US6349200B1 (en) | 1997-12-24 | 2002-02-19 | Transcept, Inc. | Monitoring and command system for transceivers used to inter-connect wireless telephones to a broadband network |
US6192216B1 (en) | 1997-12-24 | 2001-02-20 | Transcept, Inc. | Remotely controlled gain control of transceiver used to inter-connect wireless telephones to a broadband network |
US6223021B1 (en) | 1997-12-24 | 2001-04-24 | Transcept, Inc. | Signal filtering in a transceiver for a wireless telephone system |
KR100295437B1 (ko) | 1997-12-30 | 2001-07-12 | 윤종용 | 멀티주파수할당시스템의커버리지최적화방법 |
WO1999037035A1 (en) | 1998-01-15 | 1999-07-22 | Interwave Communications, Inc. | Wireless co-tenant base station |
US6259910B1 (en) | 1998-02-13 | 2001-07-10 | Lucent Technologies, Inc. | Wireless telecommunications system architecture supporting block radio technology |
US6147786A (en) | 1998-02-20 | 2000-11-14 | Nokia Telecommunications, Oy | Hybrid analog/digital WDM access network with mini-digital optical node |
JP3940490B2 (ja) | 1998-03-13 | 2007-07-04 | 株式会社東芝 | 分散アンテナシステム |
US6122529A (en) | 1998-03-17 | 2000-09-19 | Transcept, Inc. | Simulcast with hierarchical cell structure overlay |
US6198558B1 (en) | 1998-04-07 | 2001-03-06 | Nortel Networks Limited | Architecture repartitioning to simplify outside-plant component of fiber-based access system |
US6768745B1 (en) | 1998-04-29 | 2004-07-27 | Zhone Technologies, Inc. | Flexible SONET access and transmission system |
US6667973B1 (en) | 1998-04-29 | 2003-12-23 | Zhone Technologies, Inc. | Flexible SONET access and transmission systems |
KR100326330B1 (ko) | 1998-05-08 | 2002-06-26 | 윤종용 | 이동통신시스템의핸드오프장치및방법 |
US6336042B1 (en) | 1998-06-05 | 2002-01-01 | Transcept, Inc. | Reverse link antenna diversity in a wireless telephony system |
US6222660B1 (en) | 1998-06-09 | 2001-04-24 | Tektronix, Inc. | Adaptive power supply for avalanche photodiode |
US6216004B1 (en) | 1998-06-23 | 2001-04-10 | Qualcomm Incorporated | Cellular communication system with common channel soft handoff and associated method |
US5969679A (en) | 1998-06-30 | 1999-10-19 | Lucent Technologies Inc. | Method and apparatus for determining whether a wireless station is operating within a prescribed geographic region |
US6195385B1 (en) | 1998-06-30 | 2001-02-27 | Cisco Systems, Inc. | HTU-C clocking from a single source |
US6226274B1 (en) | 1998-09-24 | 2001-05-01 | Omnipoint Corporation | Method and apparatus for multiple access communication |
EP0994582B1 (en) | 1998-10-15 | 2005-08-17 | Lucent Technologies Inc. | Reconfigurable fiber network for wireless communication |
US6181687B1 (en) | 1998-10-22 | 2001-01-30 | International Business Machines Corporation | System and a method for continuously adjustable, splitting group, multi-contention resolution in multi-access computer communication systems |
US6362908B1 (en) | 1998-12-02 | 2002-03-26 | Marconi Communications, Inc. | Multi-service adaptable optical network unit |
US6498936B1 (en) | 1999-01-22 | 2002-12-24 | Ericsson Inc. | Methods and systems for coding of broadcast messages |
US6504831B1 (en) | 1999-02-23 | 2003-01-07 | Lockhead Martin Corporation | Optical simulcast network with centralized call processing |
EP1161820B1 (en) | 1999-03-12 | 2006-04-19 | Aware, Inc. | Seamless rate adaptive multicarrier modulation system and protocols |
US6729929B1 (en) | 1999-03-17 | 2004-05-04 | Cisco Systems, Inc. | Method and apparatus for controlling wireless networks |
IL129031A (en) | 1999-03-17 | 2003-02-12 | Handelman Doron | Network control system for optical communication networks |
US7016308B1 (en) | 1999-03-19 | 2006-03-21 | Broadband Royalty Corporation | Digital return path for hybrid fiber/coax network |
US6150993A (en) | 1999-03-25 | 2000-11-21 | Zenith Electronics Corporation | Adaptive indoor antenna system |
JP3491817B2 (ja) | 1999-03-29 | 2004-01-26 | 松下電器産業株式会社 | 無線受信機、無線受信方法および記録媒体 |
US6452917B1 (en) * | 1999-04-08 | 2002-09-17 | Qualcomm Incorporated | Channel estimation in a CDMA wireless communication system |
US6262981B1 (en) | 1999-04-14 | 2001-07-17 | Airnet Communications Corporation | Dynamic overflow protection for finite digital word-length multi-carrier transmitter communications equipment |
KR100441147B1 (ko) | 1999-05-14 | 2004-07-19 | 가부시키가이샤 히다치 고쿠사이 덴키 | 이동체 통신 시스템 |
US6278726B1 (en) * | 1999-09-10 | 2001-08-21 | Interdigital Technology Corporation | Interference cancellation in a spread spectrum communication system |
US6917614B1 (en) | 1999-09-17 | 2005-07-12 | Arris International, Inc. | Multi-channel support for virtual private networks in a packet to ATM cell cable system |
US6967966B1 (en) | 1999-11-03 | 2005-11-22 | Adc Telecommunications, Inc. | Digital return path for hybrid fiber/coax network |
US7031335B1 (en) | 1999-11-03 | 2006-04-18 | Adc Telecommunications, Inc. | Digital node for hybrid fiber/coax network |
US6697603B1 (en) | 1999-12-13 | 2004-02-24 | Andrew Corporation | Digital repeater |
US7047313B1 (en) | 2000-01-05 | 2006-05-16 | Thomas Licensing | Method for redirecting packetized data associated with a destination address in a communication protocol layer to a different destination address in a different protocol layer |
US7003044B2 (en) | 2000-02-01 | 2006-02-21 | Sasken Communication Technologies Ltd. | Method for allocating bits and power in multi-carrier communication system |
US7302497B2 (en) | 2000-02-08 | 2007-11-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Using internet protocol (IP) in radio access network |
EP2986066B1 (en) * | 2000-02-23 | 2019-12-11 | IPR Licensing, Inc. | Access probe acknowledgment with collision detection |
CA2442597C (en) | 2000-03-27 | 2011-11-01 | Transcept Opencell, Inc. | Multi-protocol distributed wireless system architecture |
WO2001074013A2 (en) | 2000-03-29 | 2001-10-04 | Transcept Opencell, Inc. | Operations and maintenance architecture for multiprotocol distributed system |
US6501955B1 (en) | 2000-06-19 | 2002-12-31 | Intel Corporation | RF signal repeater, mobile unit position determination system using the RF signal repeater, and method of communication therefor |
KR100338623B1 (ko) | 2000-07-10 | 2002-05-30 | 윤종용 | 디지털 광 링크를 이용한 이동통신망 시스템 |
US6704545B1 (en) | 2000-07-19 | 2004-03-09 | Adc Telecommunications, Inc. | Point-to-multipoint digital radio frequency transport |
FI109839B (fi) | 2000-08-22 | 2002-10-15 | Nokia Corp | Menetelmä matkaviestimen paikantamiseksi |
US6728514B2 (en) | 2000-09-08 | 2004-04-27 | Wi-Lan Inc. | Scalable wireless network topology systems and methods |
EP1202475B1 (en) | 2000-10-25 | 2007-04-11 | NTT DoCoMo, Inc. | Communication system having radio units connected to optical fibers |
US7039418B2 (en) | 2000-11-16 | 2006-05-02 | Qualcomm Incorporated | Position determination in a wireless communication system with detection and compensation for repeaters |
WO2002047409A1 (fr) | 2000-12-08 | 2002-06-13 | Matsushita Electric Industrial Co., Ltd. | Systeme de station de base de communication radio comportant une station de base avancee optique |
KR100459412B1 (ko) | 2000-12-28 | 2004-12-03 | 엘지전자 주식회사 | 디지털 신호 전송장치를 이용한 cdma 광 중계기 수신장치 |
US6801767B1 (en) | 2001-01-26 | 2004-10-05 | Lgc Wireless, Inc. | Method and system for distributing multiband wireless communications signals |
US6961388B2 (en) | 2001-02-01 | 2005-11-01 | Qualcomm, Incorporated | Coding scheme for a wireless communication system |
US6771933B1 (en) | 2001-03-26 | 2004-08-03 | Lgc Wireless, Inc. | Wireless deployment of bluetooth access points using a distributed antenna architecture |
US6580746B2 (en) * | 2001-04-09 | 2003-06-17 | Qualcomm Incorporated | System and method for acquiring a received signal in a spread spectrum device |
DE60236148D1 (de) | 2001-04-24 | 2010-06-10 | Qualcomm Inc | Verfahren und vorrichtung zur abschätzung des standortes eines terminals auf der basis von identifikationskoden für übertragungsquellen |
US20030008663A1 (en) | 2001-04-24 | 2003-01-09 | Stein Jeremy M. | Method and apparatus for estimating the postion of a terminal based on identification codes for transmission sources |
US6901264B2 (en) * | 2001-04-25 | 2005-05-31 | Makor Issues And Rights Ltd. | Method and system for mobile station positioning in cellular communication networks |
US6889056B2 (en) | 2001-04-30 | 2005-05-03 | Ntt Docomo, Inc. | Transmission control scheme |
US20020167954A1 (en) | 2001-05-11 | 2002-11-14 | P-Com, Inc. | Point-to-multipoint access network integrated with a backbone network |
US7190749B2 (en) * | 2001-06-06 | 2007-03-13 | Qualcomm Incorporated | Method and apparatus for canceling pilot interference in a wireless communication system |
US20020191565A1 (en) | 2001-06-08 | 2002-12-19 | Sanjay Mani | Methods and systems employing receive diversity in distributed cellular antenna applications |
US6826164B2 (en) | 2001-06-08 | 2004-11-30 | Nextg Networks | Method and apparatus for multiplexing in a wireless communication infrastructure |
US6826163B2 (en) | 2001-06-08 | 2004-11-30 | Nextg Networks | Method and apparatus for multiplexing in a wireless communication infrastructure |
US7127175B2 (en) | 2001-06-08 | 2006-10-24 | Nextg Networks | Method and apparatus for multiplexing in a wireless communication infrastructure |
US6865390B2 (en) | 2001-06-25 | 2005-03-08 | Lucent Technologies Inc. | Cellular communications system featuring a central radio pool/traffic router |
US6586863B2 (en) | 2001-06-28 | 2003-07-01 | Samsung Electro-Mechanics Co., Ltd. | Rosen type piezoelectric transformer with multiple output electrodes |
US7230975B2 (en) * | 2001-08-07 | 2007-06-12 | Qualcomm Incorporated | Adaptive pilot filter for a wireless communication system |
US20030050041A1 (en) | 2001-09-07 | 2003-03-13 | Robert Wu | Network system for providing prepaid wireless remote access service |
US6747958B2 (en) * | 2001-11-13 | 2004-06-08 | Qualcomm, Incorporated | Transport format combination selection for compressed mode in a W-CDMA system |
US6903867B2 (en) | 2002-01-17 | 2005-06-07 | Tropic Networks Inc. | Method and apparatus for gain excursion minimization in automatic gain controlled optical systems |
US7184728B2 (en) | 2002-02-25 | 2007-02-27 | Adc Telecommunications, Inc. | Distributed automatic gain control system |
US7162261B1 (en) * | 2002-02-27 | 2007-01-09 | Sprint Communications Company L.P. | Method and device for identifying antennae to transmit wireless signals |
US7729322B2 (en) * | 2002-02-28 | 2010-06-01 | Qualcomm Incorporated | HDLC hardware accelerator |
US7035671B2 (en) | 2002-04-08 | 2006-04-25 | Adc Telecommunications, Inc. | Method and apparatus for intelligent noise reduction in a distributed communication system |
US6831901B2 (en) | 2002-05-31 | 2004-12-14 | Opencell Corporation | System and method for retransmission of data |
WO2004004399A1 (en) | 2002-06-28 | 2004-01-08 | Nokia Corporation | Location sevice support for distributed bts architecture |
US7103279B1 (en) | 2002-07-15 | 2006-09-05 | Ydi Wireless, Inc. | Architecture for wireless transmission of high rate optical signals |
US6985733B2 (en) | 2002-08-15 | 2006-01-10 | Motorola, Inc. | Method and apparatus for scanning for neighboring cells |
US20040037565A1 (en) | 2002-08-22 | 2004-02-26 | Robin Young | Transport of signals over an optical fiber using analog RF multiplexing |
US20040198453A1 (en) | 2002-09-20 | 2004-10-07 | David Cutrer | Distributed wireless network employing utility poles and optical signal distribution |
US7171244B2 (en) | 2002-12-03 | 2007-01-30 | Adc Telecommunications, Inc. | Communication system and method with gain control for signals from distributed antennas |
US6785558B1 (en) | 2002-12-06 | 2004-08-31 | Lgc Wireless, Inc. | System and method for distributing wireless communication signals over metropolitan telecommunication networks |
US7170342B2 (en) * | 2002-12-10 | 2007-01-30 | Ntt Docomo, Inc. | Linear power amplification method and linear power amplifier |
EP1576779B1 (en) | 2002-12-24 | 2015-12-09 | Telecom Italia S.p.A. | Radio base station receiver having digital filtering and reduced sampling frequency |
US7573862B2 (en) | 2003-02-06 | 2009-08-11 | Mahdi Chambers | System and method for optimizing network capacity in a cellular wireless network |
US6980147B2 (en) * | 2003-04-07 | 2005-12-27 | Photon Products, Inc. | Channelized analog-to-digital converter |
FI20030663A0 (fi) | 2003-05-02 | 2003-05-02 | Nokia Corp | Antennijärjestely ja tukiasema |
US20050250503A1 (en) | 2004-05-05 | 2005-11-10 | Cutrer David M | Wireless networks frequency reuse distance reduction |
US7505427B2 (en) * | 2004-05-07 | 2009-03-17 | Samsung Electronics Co., Ltd. | Apparatus and method for improving signal-to-noise ratio in a multi-carrier CDMA communication system |
ES2299045T3 (es) | 2004-06-23 | 2008-05-16 | Topfer Kulmbach Gmbh | Procedimiento e instalacion para el etiquetado sin burbujas ni inclusiones de etiquetas laminares. |
US7289972B2 (en) | 2004-06-25 | 2007-10-30 | Virginia Tech Intellectual Properties, Inc. | Cognitive radio engine based on genetic algorithms in a network |
JP4590969B2 (ja) * | 2004-07-28 | 2010-12-01 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
US7313415B2 (en) | 2004-11-01 | 2007-12-25 | Nextg Networks, Inc. | Communications system and method |
US7205864B2 (en) | 2004-11-02 | 2007-04-17 | Nextg Networks, Inc. | Distributed matrix switch |
CA2588781A1 (en) | 2004-11-19 | 2006-05-26 | The Trustees Of The Stevens Institute Of Technology | Multi-access terminal with capability for simultaneous connectivity to multiple communication channels |
KR100752585B1 (ko) | 2004-12-23 | 2007-08-29 | 단암전자통신주식회사 | 디지털 신호처리에 의한 구내무선 분산 중계 시스템 |
US8738056B2 (en) * | 2006-05-22 | 2014-05-27 | Qualcomm Incorporation | Signal acquisition in a wireless communication system |
JP4898818B2 (ja) * | 2006-09-20 | 2012-03-21 | シャープ株式会社 | 無線通信装置、無線通信システムおよび無線通信方法 |
CN101536595B (zh) | 2006-11-17 | 2014-01-29 | 朗讯科技公司 | 定位建筑物内的移动站 |
FI20065841A0 (fi) * | 2006-12-21 | 2006-12-21 | Nokia Corp | Kommunikointimenetelmä ja -järjestelmä |
JP5012374B2 (ja) | 2007-09-28 | 2012-08-29 | 株式会社島津製作所 | X線検査装置 |
JP4497222B2 (ja) * | 2008-03-26 | 2010-07-07 | ソニー株式会社 | 通信装置及び通信方法、並びにコンピュータ・プログラム |
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KR20120016650A (ko) | 2012-02-24 |
EP2433375A1 (en) | 2012-03-28 |
US9001811B2 (en) | 2015-04-07 |
CA2761695A1 (en) | 2010-11-25 |
BRPI1012858A2 (pt) | 2018-03-06 |
WO2010135276A1 (en) | 2010-11-25 |
CN102460997A (zh) | 2012-05-16 |
EP2433375A4 (en) | 2014-01-01 |
US20100296458A1 (en) | 2010-11-25 |
JP2012527834A (ja) | 2012-11-08 |
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