JPH10502513A - マルチチャネルデジタル送受信機および方法 - Google Patents
マルチチャネルデジタル送受信機および方法Info
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- JPH10502513A JPH10502513A JP8521202A JP52120296A JPH10502513A JP H10502513 A JPH10502513 A JP H10502513A JP 8521202 A JP8521202 A JP 8521202A JP 52120296 A JP52120296 A JP 52120296A JP H10502513 A JPH10502513 A JP H10502513A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
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- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- 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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
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- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/001—Channel filtering, i.e. selecting a frequency channel within the SDR system
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- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
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- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/0021—Decimation, i.e. data rate reduction techniques
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- 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
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- H04B1/0483—Transmitters with multiple parallel paths
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- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
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- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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- 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
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- H—ELECTRICITY
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- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
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- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
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- H—ELECTRICITY
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- 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
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
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- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.マルチチャネルデジタル受信機であって、 無線周波信号を受信するための複数のアンテナ、 前記複数のアンテナの各々に結合されかつ前記無線周波信号を中間周波信号に 変換するよう動作可能な複数の無線周波変換器、 前記無線周波変換器の各々に結合され前記中間周波信号をデジタル信号に変換 するための複数のアナログ−デジタル変換器、 前記アナログ−デジタル変換器に結合されかつ前記デジタル信号の内の1つを 選択しかつ前記デジタル信号の内の1つをベースバンド中間周波信号に変換する よう動作可能なスイッチドデジタルダウンコンバータ、そして 前記スイッチドデジタルダウンコンバータに結合され前記ベースバンド中間周 波信号内に含まれる複数の通信チャネルの内の1つを再生するためのチャネルプ ロセッサ、 を具備することを特徴とするマルチチャネルデジタル受信機。 2.無線周波通信を受信する方法であって、 複数のアンテナにおいて無線周波信号を受信する段階、 前記無線周波信号を中間周波信号に変換する段階、 前記中間周波信号をデジタル信号に変換する段階、 前記デジタル信号の内の1つを選択する段階、 前記デジタル信号の内の1つをベースバンド中間周波信号にデジタル的にダウ ンコンバートする段階、そして 前記ベースバンド中間周波信号を処理してその中に含まれる複数の通信チャネ ルの1つを再生する段階、 を具備することを特徴とする無線周波通信を受信する方法。 3.さらに、時間領域多重化通信媒体を介して前記ベースバンド中間周波信号 を通信する段階を具備することを特徴とする請求項2に記載の方法。 4.マルチチャネルデジタル受信機であって、 第1の受信機バンクであって、 各々第1の複数のアンテナに結合されかつ前記第1の複数のアンテナにお いて受信された無線周波信号を第1の組の中間周波信号に変換するよう動作可能 な第1の複数の無線周波変換器、 前記第1の複数の無線周波変換器の各々に結合され前記第1の組の中間周 波信号を第1の組のデジタル信号に変換するための第1の複数のアナログ−デジ タル変換器、 前記第1の複数のアナログ−デジタル変換器に結合されかつ前記第1の組 のデジタル信号の内の1つを選択しかつ前記第1の組のデジタル信号の内の1つ を第1のベースバンド中間周波信号に変換するよう動作可能な第1のスイッチド デジタルダウンコンバータ、 を具備する前記第1の受信機バンク、 第2の受信機バンクであって、 各々第2の複数のアンテナに結合されかつ前記第2の複数のアンテナにお いて受信された無線周波信号を第2の組の中間周波信号に変換するよう動作可能 な第2の複数の無線周波変換器、 前記第2の複数の無線周波変換器の各々に結合され前記第2の組の中間周 波信号を第2の組のデジタル信号に変換するための第2の複数のアナログ−デジ タル変換器、 前記第2の複数のアナログ−デジタル変換器に結合されかつ前記第2の組 のデジタル信号の内の1つを選択しかつ前記第2の組のデジタル信号の内の1つ を第2のベースバンド中間周波信号に変換するよう動作可能な第2のスイッチド デジタルダウンコンバータ、 を具備する前記第2の受信機バンク、そして 前記第1および第2のスイッチドデジタルダウンコンバータと通信し前記第1 および第2のベースバンド中間周波信号内に含まれる複数の通信チャネルの内の 1つを再生するチャネルプロセッサ、 を具備することを特徴とするマルチチャネルデジタル受信機。 5.マルチチャネルデジタル受信機であって、 無線周波信号を受信するための複数のアンテナ、 前記複数のアンテナの各々に結合されかつ前記無線周波信号を中間周波信号に 変換するよう動作可能な複数の無線 周波変換器、 前記無線周波変換器の各々に結合され前記中間周波信号をデジタル信号に変換 するための複数のアナログ−デジタル変換器、 前記複数のアナログ−デジタル変換器の各々をスイッチドデジタルダウンコン バータと相互接続する高速通信リンクであって、前記スイッチドデジタルダウン コンバータは前記デジタル信号の内の1つを選択しかつ前記デジタル信号の内の 該1つをベースバンド中間周波信号に変換するよう動作可能であるもの、そして 前記スイッチドデジタルダウンコンバータと通信し前記ベースバンド中間周波 信号内に含まれる複数の通信チャネルの内の1つを再生するためのチャネルプロ セッサ、 を具備することを特徴とするマルチチャネルデジタル受信機。 6.マルチチャネルデジタル送信機であって、 通信システムと通信しデジタルダウンリンク通信信号を受信しかつ複数の通信 チャネルの内の1つによって送信するために該デジタルダウンリンク通信信号を 処理するための複数のチャネルプロセッサ、 それぞれ前記複数の通信チャネルの各々と関連しかつ前記チャネルプロセッサ に接続されて前記デジタルダウンリンク通信信号をデジタル中間周波信号へとア ップコンバートまたは変調するための複数のアップコンバータ/変調器、 前記デジタル中間周波信号をデジタル中間周波信号のサブグループへと加算す るための前記アップコンバータ/変調器に接続する複数のデジタル加算器、 前記デジタル中間周波信号のサブグループを複数のアナログ信号に変換するた めの複数のデジタル−アナログ変換器、 それぞれ前記デジタル−アナログ変換器に結合され前記アナログ信号を無線周 波信号に変換するための複数の無線周波アップコンバータ、そして それぞれ前記アップコンバータに結合され前記無線周波信号を増幅しかつ前記 無線周波信号を複数のアンテナに通信するための複数の電力増幅器、 を具備することを特徴とするマルチチャネルデジタル送信機。 7.さらに前記チャネルプロセッサの内の少なくとも1つと通信する高速デー タバスを具備する請求項1のマルチチャネルデジタル受信機および請求項6のマ ルチチャネルデジタル送信機の組合わせを備えたことを特徴とする送受信機。 8.マルチチャネルデジタル送信機であって、 通信システムと通信してデジタルダウンリンク通信信号を受信しかつ複数の通 信チャネルの内の1つによって送信するために前記デジタルダウンリンク通信信 号を処理する ための複数のチャネルプロセッサ、 それぞれ前記複数の通信チャネルの各々と関連しかつ前記チャネルプロセッサ に接続されて前記デジタルダウンリンク通信信号をデジタル中間周波信号へとア ップコンバートまたは変調するための複数のアップコンバータ/変調器、 前記アップコンバータ/変調器に接続して前記デジタル中間周波信号をデジタ ル中間周波信号のサブグループへと加算するための複数のデジタル加算器、 前記デジタル中間周波信号のサブグループをアナログ信号に変換するための複 数のデジタル−アナログ変換器、 前記デジタル−アナログ変換器に選択的に接続されて前記アナログ信号の部分 集合をアナログ中間周波信号へと加算するためのアナログ加算器、 前記アナログ加算器に結合されて前記アナログ中間周波信号を無線周波信号に 変換するための無線周波アップコンバータ、そして 前記アップコンバータに結合されて前記無線周波信号を増幅しかつ前記無線周 波信号をアンテナに通信するための電力増幅器、 を具備することを特徴とするマルチチャネルデジタル送信機。 9.マルチチャネルデジタル送信機であって、 通信システムと通信してデジタルダウンリンク通信信号を受信しかつ複数の通 信チャネルの内の1つによって送信 するために前記デジタルダウンリンク通信信号を処理するための複数のチャネル プロセッサ、 複数の送信機バンクであって、該送信機バンクの各々は、 (a)複数の無線周波処理シェルフであって、該無線周波処理シェルフの各々 はそれぞれ前記複数の通信チャネルの各々と関連しかつ前記チャネルプロセッサ に接続されて前記デジタルダウンリンク通信信号をデジタル中間周波信号へとア ップコンバートしかつ変調するための複数のアップコンバータ/変調器、および 前記アップコンバータ/変調器に接続され前記デジタル中間周波信号をデジタル 中間周波信号のサブグループへと加算するための複数のデジタル加算器を具備す るもの、 (b)前記デジタル中間周波信号のサブグループをアナログ信号に変換するた めの複数のデジタル−アナログ変換器、 (c)前記デジタル−アナログ変換器に選択的に接続され1つの部分集合の前 記アナログ信号をアナログ中間周波信号へと加算するための複数のアナログ加算 器、 (d)前記複数のアナログ加算器に結合され前記アナログ中間周波信号を無線 周波信号に変換するための複数の無線周波アップコンバータ、 を具備する前記複数の送信機バンク、 部分集合の無線周波信号を加算された無線周波信号へと加算するための複数の 無線周波加算器、そして それぞれ前記無線周波加算器に結合され前記無線周波信号を増幅しかつ前記無 線周波信号をアンテナに通信するための複数の電力増幅器、 を具備することを特徴とするマルチチャネルデジタル送信機。 10.マルチチャネル広帯域周波数信号をデジタル的に送信する方法であって 、 デジタルダウンリンク信号を通信システムの通信ネットワーク相互接続から受 信する段階、 複数の通信チャネルの内の1つによって送信するために前記デジタルダウンリ ンク信号を処理する段階、 前記デジタルダウンリンク信号をデジタル中間周波信号へとアップコンバート しまたは変調する段階、 前記デジタル中間周波信号のサブグループを加算する段階、 前記デジタル中間周波信号のサブグループを、それぞれ、前記通信システムの セクタへ導く段階、 前記デジタル中間周波信号をアナログ中間周波信号に変換する段階、 前記アナログ中間周波信号を無線周波信号にアップコンバートする段階、 前記無線周波信号を増幅する段階、そして 前記無線周波信号をアンテナから放射する段階、 を具備することを特徴とするマルチチャネル広帯域周波 数信号をデジタル的に送信する方法。 11.無線通信システムにおける送信機であって、 数値制御される発振器および変調装置、そして 前記数値制御される発振器および変調装置と通信するデジタルスイッチ、 を具備することを特徴とする無線通信システムにおける送信機。 12.前記デジタルスイッチは前記数値制御される発振器および変調装置に応 答する第1の入力および第1および第2の出力を有し、前記送信機はさらに第1 の加算器および第2の加算器を具備し、該第1の加算器は前記第1の出力に応答 しかつ前記第2の加算器は前記第2の出力に応答し、かつ前記送信機は複数のア ンテナを具備し該複数のアンテナの各々は前記加算器の内の少なくとも1つに応 答することを特徴とする請求項11に記載の送信機。 13.無線通信システムにおける送信機であって、 数値制御される発振器およびデジタルミキサを具備する直交周波数アップコン バージョン装置、そして 前記直交周波数アップコンバージョン装置と通信するデジタルスイッチ、 を具備することを特徴とする無線通信システムにおける送信機。 14.前記デジタルスイッチは前記直交周波数アップコンバージョン装置に応 答する第1の入力および第1および 第2の出力を有し、かつ前記送信機はさらに第1の加算器および第2の加算器を 具備し、該第1の加算器は前記第1の出力に応答しかつ該第2の加算器は前記第 2の出力に応答し、かつ前記送信機は複数のアンテナを有し、該複数のアンテナ の各々は前記加算器の内の少なくとも1つに応答することを特徴とする請求項1 3に記載の送信機。 15.アップコンバータ/変調器であって、 各々複数の入力および出力を有する第1のセレクタおよび第2のセレクタであ って、前記第1および第2のセレクタの各々の出力はそれぞれ第1の補間フィル タおよび第2の補間フィルタに結合されているもの、 を具備し、前記第1の補間フィルタの出力は第1のミキサに結合されかつ選択 的に第1の加算器に結合され、該第1の加算器はさらに第1の位相値を受けるよ う結合されかつ前記第1の加算器は第1の位相アキュムレータに結合された出力 を有し、 前記第1の位相アキュムレータの出力は第1のシヌソイド発生器に結合されか つ選択的に第2のシヌソイド発生器に結合され、前記第2の補間フィルタの出力 は第2のミキサに結合されかつ選択的に第2の加算器に結合され、該第2の加算 器はさらに第2の位相値を受けるよう結合されかつ前記第2の加算器は第2の位 相アキュムレータに結合された出力を有し、 前記第1および第2のミキサの各々の出力は選択的に出 力加算器に結合され、そして 前記第2の位相アキュムレータの出力は選択的に前記第2のシヌソイド発生器 に結合される、 ことを特徴とするアップコンバータ/変調器。 16.マルチモードアップコンバータ/変調器であって、 各々複数の入力および出力を有する第1のセレクタおよび第2のセレクタであ って、前記複数の入力は複数の入力信号を受けるよう結合されかつ前記第1およ び第2のセレクタの各々は前記複数の入力信号の内の1つを選択するよう動作可 能であるもの、 を具備し、前記第1および第2のセレクタの出力はそれぞれ第1および第2の 補間フィルタの入力に結合され、 第1の動作モードにおいて、 第1の成分および第2の成分を有する入力信号が前記アップコンバータ/変調 器に結合され、この場合前記第1の成分は前記第1のセレクタを介して前記第1 の補間フィルタに結合されかつ前記第2の成分は前記第2のセレクタを介して前 記第2の補間フィルタにそれぞれ結合され、 前記第1の補間フィルタの出力は第1のミキサの第1の入力に結合され、 第1のシヌソイド発生器の出力は前記第1のミキサの第2の入力に結合されか つ前記第1のミキサの前記出力は出力加算器の第1の入力に結合され、前記第2 の補間フィルタの出力は第2のミキサの第1の入力に結合され、第2の シヌソイド発生器の出力は前記第2のミキサの第2の入力に結合され、かつ前記 第2のミキサの出力は前記出力加算器の第2の入力に結合され、そして 前記マルチモードアップコンバータ/変調器はさらに、 第1の位相値を受信するよう結合されかつ前記第1および第2のシヌソイド発 生器の各々の入力に結合された位相値出力を有する第1の位相アキュムレータ、 を具備し、そして 第2の動作モードにおいては、 第1の入力信号および第2の入力信号が前記アップコンバータ/変調器に結合 され、この場合前記第1の入力信号は第1のセレクタを介して前記第1の補間フ ィルタに結合されかつ前記第2の入力信号は第2のセレクタを介して前記第2の 補間フィルタに結合され、 前記第1の補間フィルタの出力は第1のスケーラに結合され、 第1の加算器が前記第1のスケーラからのスケーリングされた出力および第1 の位相値を受けるよう結合され、その第1の加算された出力値が前記第1の位相 アキュムレータに結合され、その位相値出力は前記第1のシヌソイド発生器に結 合され、そして 前記第2の補間フィルタの出力は第2のスケーラに結合され、 第2の加算器が前記第2のスケーラからのスケーリング された出力および第2の位相値を受けるよう結合され、その第2の加算された出 力は第2の位相アキュムレータに結合され、その位相値出力は第2のシヌソイド 発生器に結合される、 ことを特徴とするマルチモードアップコンバータ/変調器。
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US08/366,283 US5579341A (en) | 1994-12-29 | 1994-12-29 | Multi-channel digital transceiver and method |
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JP2009544206A (ja) * | 2006-07-17 | 2009-12-10 | ユービダイン・インコーポレイテッド | デジタル送受信機 |
JP2009544205A (ja) * | 2006-07-17 | 2009-12-10 | ユービダイン・インコーポレイテッド | アンテナアレイシステム |
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US8971827B2 (en) | 2010-11-23 | 2015-03-03 | Kathrein-Werke Kg | Module for an active antenna system |
JP2014513503A (ja) * | 2011-05-11 | 2014-05-29 | カトライン−ベルケ コマンディト ゲゼルシャフト | ベースバンド−無線周波数アップコンバーター |
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