JP6525935B2 - 増幅器位相補償を備えたダイバーシティ受信器フロントエンドシステム - Google Patents
増幅器位相補償を備えたダイバーシティ受信器フロントエンドシステム Download PDFInfo
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- 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
- H04B7/0805—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 with single receiver and antenna switching
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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
- H04B1/06—Receivers
- H04B1/16—Circuits
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—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 pre-detection combining
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
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- H—ELECTRICITY
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- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
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- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- 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
- H04B7/0825—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 with main and with auxiliary or diversity antennas
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7209—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched from a first band to a second band
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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
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- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
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Description
本願は、2015年6月9日出願の「位相シフト部品を備えたダイバーシティ受信器フロントエンドシステム」との名称の米国特許出願第14/734,759号の継続出願であり、その全体が、ここに参照として組み入れられる。米国特許出願第14/734,759号は、2014年10月31日出願の「ダイバーシティ受信器フロントエンドシステム」との名称の米国仮出願第62/073,043号、2014年10月31日出願の「後段LNA位相整合を使用するキャリアアグリゲーション」との名称の米国仮出願第62/073,040号、2014年10月31日出願の「キャリアアグリゲーション動作のためのLNA前段帯域外インピーダンス整合」との名称の米国仮出願第62/073,039号の優先権を主張し、これらの開示はその全体が、ここに明示的に参照として組み入れられる。
Claims (18)
- 受信システムであって、
前記受信システムの入力と前記受信システムの出力との間において第1周波数帯域に対応する第1経路に沿って設けられた第1増幅器と、
前記受信システムの入力と前記受信システムの出力との間において第2周波数帯域に対応する第2経路に沿って設けられた第2増幅器と、
前記第1経路に沿って設けられた第1位相シフト部品と
を含み、
前記第1位相シフト部品は、前記第1位相シフト部品を通過する前記第2周波数帯域の信号を、前記第1増幅器を通る逆方向伝播及び前記第1増幅器を通る順方向伝播によって引き起こされる位相シフトに基づいて、前記第2経路に沿って伝播する初期信号と前記第1経路に沿って伝播する反射信号とが少なくとも部分的に同相となるように位相シフトするべく構成される受信システム。 - 前記第2経路に沿って設けられた第2位相シフト部品をさらに含み、
前記第2位相シフト部品は、前記第2位相シフト部品を通過する前記第1周波数帯域の信号を、前記第2増幅器を通る逆方向伝播及び前記第2増幅器を通る順方向伝播によって引き起こされる位相シフトに基づいて、前記第1経路に沿って伝播する初期信号と前記第2経路に沿って伝播する反射信号とが少なくとも部分的に同相となるように位相シフトするべく構成される請求項1の受信システム。 - 前記第1位相シフト部品はさらに、前記第1位相シフト部品を通過する第3周波数帯域の信号を、前記第1増幅器を通る逆方向伝播及び前記第1増幅器を通る順方向伝播によって引き起こされる位相シフトに基づいて、第3経路に沿って伝播する初期信号と前記第1経路に沿って伝播する反射信号とが少なくとも部分的に同相となるように位相シフトするべく構成される請求項1の受信システム。
- 前記受信システムの入力において受信した入力信号を、前記第1経路に沿って伝播する第1周波数帯域の第1信号と、前記第2経路に沿って伝播する第2周波数帯域の第2信号とに分割するべく構成されるマルチプレクサをさらに含む請求項1の受信システム。
- 前記第1位相シフト部品は、前記第1位相シフト部品を通過する前記第2周波数帯域の信号を、前記マルチプレクサからの反射によって引き起こされる位相シフトにさらに基づいて、位相シフトするべく構成される請求項4の受信システム。
- 前記第1位相シフト部品は、前記マルチプレクサと前記第1増幅器との間に設けられた第1インピーダンス整合部品に統合される請求項4の受信システム。
- 前記第1インピーダンス整合部品は、前記第1周波数帯域に対する前記第1経路の雑音指数の少なくとも一つを低減し、又は前記第1周波数帯域に対する前記第1経路の利得を増加させるべく、前記第1周波数帯域に基づいて選択されるインピーダンスを有する請求項6の受信システム。
- 前記第1インピーダンス整合部品は、前記第2周波数帯域に対する前記第1経路の雑音指数の少なくとも一つを低減するべく、又は前記第2周波数帯域に対する前記第1経路の利得を増加させるべく、前記第2周波数帯域に基づいて選択されるインピーダンスを有する請求項7の受信システム。
- 前記第1信号及び前記第2信号を結合するべく構成される信号結合器をさらに含む請求項4の受信システム。
- 第1位相シフト部品が前記信号結合器と前記第1増幅器との間に設けられる請求項9の受信システム。
- 前記第1位相シフト部品は、前記初期信号と前記反射信号との振幅の合計が前記初期信号の振幅よりも大きくなるように、前記第1位相シフト部品を通過する前記第2周波数帯域の信号を位相シフトするべく構成される請求項1の受信システム。
- 前記第1位相シフト部品は、前記初期信号と前記反射信号とが360度の位相差を有するように、前記第1位相シフト部品を通過する前記第2周波数帯域の信号を位相シフトするべく構成される請求項1の受信システム。
- 前記第1位相シフト部品は、前記第1位相シフト部品を通過する前記第2周波数帯域の信号を、制御器から受信した位相シフトチューニング信号によって制御される量だけ位相シフトするべく構成されるチューニング可能位相シフト部品である請求項1の受信システム。
- 前記第1位相シフト部品は受動回路である請求項1の受信システム。
- 無線周波数(RF)モジュールであって、
複数の部品を受容するべく構成されるパッケージング基板と、
前記パッケージング基板に実装される受信システムと
を含み、
前記受信システムは、
前記受信システムの入力と前記受信システムの出力との間において第1周波数帯域に対応する第1経路に沿って設けられた第1増幅器と、
前記受信システムの入力と前記受信システムの出力との間において第2周波数帯域に対応する第2経路に沿って設けられた第2増幅器と、
前記第1経路に沿って設けられた第1位相シフト部品と
を含み、
前記第1位相シフト部品は、前記第1位相シフト部品を通過する前記第2周波数帯域の信号を、前記第1増幅器を通る逆方向伝播及び前記第1増幅器を通る順方向伝播によって引き起こされる位相シフトに基づいて、前記第2経路に沿って伝播する初期信号と前記第1経路に沿って伝播する反射信号とが少なくとも部分的に同相となるように位相シフトするべく構成されるRFモジュール。 - 前記RFモジュールはダイバーシティ受信器フロントエンドモジュール(FEM)である請求項15のRFモジュール。
- 無線デバイスであって、
第1無線周波数(RF)信号を受信するべく構成される第1アンテナと、
前記第1アンテナと通信する第1フロントエンドモジュール(FEM)と、
前記第1RF信号の処理済みバージョンを前記第1FEMの出力から送信線を介して受信するべく、かつ、前記第1RF信号の処理済みバージョンに基づいてデータビットを発生させるべく構成される送受信器と
を含み、
前記第1FEMは、複数の部品を受容するべく構成されるパッケージング基板を含み、
前記第1FEMはさらに、前記パッケージング基板に実装される受信システムを含み、
前記受信システムは、
前記受信システムの入力と前記受信システムの出力との間において第1周波数帯域に対応する第1経路に沿って設けられた第1増幅器と、
前記受信システムの入力と前記受信システムの出力との間において第2周波数帯域に対応する第2経路に沿って設けられた第2増幅器と、
前記第1経路に沿って設けられた第1位相シフト部品と
を含み、
前記第1位相シフト部品は、前記第1位相シフト部品を通過する前記第2周波数帯域の信号を、前記第1増幅器を通る逆方向伝播及び前記第1増幅器を通る順方向伝播によって引き起こされる位相シフトに基づいて、前記第2経路に沿って伝播する初期信号と前記第1経路に沿って伝播する反射信号とが少なくとも部分的に同相となるように位相シフトするべく構成される無線デバイス。 - 第2無線周波数(RF)信号を受信するべく構成される第2アンテナと、
前記第2アンテナと通信する第2FEMと
をさらに含み、
前記送受信器は、前記第2FEMの出力から前記第2RF信号の処理済みバージョンを受信しかつ前記第2RF信号の処理済みバージョンに基づいて前記データビットを発生させるべく構成される請求項17の無線デバイス。
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462073039P | 2014-10-31 | 2014-10-31 | |
US201462073040P | 2014-10-31 | 2014-10-31 | |
US201462073043P | 2014-10-31 | 2014-10-31 | |
US62/073,040 | 2014-10-31 | ||
US62/073,039 | 2014-10-31 | ||
US62/073,043 | 2014-10-31 | ||
US14/727,739 US9893752B2 (en) | 2014-10-31 | 2015-06-01 | Diversity receiver front end system with variable-gain amplifiers |
US14/727,739 | 2015-06-01 | ||
US14/734,759 | 2015-06-09 | ||
US14/734,775 | 2015-06-09 | ||
US14/734,759 US9385765B2 (en) | 2014-10-31 | 2015-06-09 | Diversity receiver front end system with phase-shifting components |
US14/734,775 US9571037B2 (en) | 2014-10-31 | 2015-06-09 | Diversity receiver front end system with impedance matching components |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015210722A Division JP6029728B2 (ja) | 2014-10-31 | 2015-10-27 | 位相シフト部品を備えたダイバーシティ受信器フロントエンドシステム |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019087413A Division JP6625257B2 (ja) | 2014-10-31 | 2019-05-07 | 受信システムにおいて信号を位相シフトさせる方法 |
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