JP7498274B2 - フェーズドアレイ送受信装置における送信信号のキャンセル - Google Patents
フェーズドアレイ送受信装置における送信信号のキャンセル Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title description 2
- 230000010363 phase shift Effects 0.000 claims description 22
- 230000009977 dual effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000002776 aggregation Effects 0.000 description 6
- 238000004220 aggregation Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
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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
- H04B1/38—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
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
- H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—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 varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
-
- 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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0617—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 weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1461—Suppression of signals in the return path, i.e. bidirectional control circuits
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Transceivers (AREA)
Description
本出願は、2019年11月12日に出願された“Transmitter Signal Cancellation in Phased Array Receivers”と題する米国仮特許出願第62/934,148号の利益を、米国特許法第119条(e)に基づいて主張しており、その全内容は本明細書中に参照として組み入れられている。
Claims (11)
- アンテナ素子のアレイと、
複数の送受信装置と、を備えたフェーズドアレイ・システムであって、
前記複数の送受信装置は、(1)送信チェーンと、(2)受信チェーンと、(3)前記送信チェーンに電気的に接続された送信入力部、前記受信チェーンに電気的に接続された受信出力部、および前記アンテナ素子のアレイ内の対応する個別のアンテナ素子に電気的に接続された二重ポートを有する送受切換え器と、をそれぞれ含み、
前記複数の送受信装置は、第1の送受信装置サブセットと第2の送受信装置サブセットとを構成し、
前記第1の送受信装置サブセット内の各送受信装置は、当該送受信装置内の前記送受切換え器の前記二重ポートと、当該送受切換え器の前記二重ポートが電気的に接続される前記アンテナ素子と、の間に接続されたΦ度(ここで、Φ=-(2n+1)90°であり、nは整数)の位相シフト素子を備え、前記第2の送受信装置サブセット内の各送受信装置は、位相シフトを行わない、フェーズドアレイ・システム。 - n=0である、請求項1に記載のフェーズドアレイ・システム。
- 前記第1の送受信装置サブセット内の送受信装置の数と、前記第2の送受信装置サブセット内の送受信装置の数とは異なる、請求項1に記載のフェーズドアレイ・システム。
- 前記第1の送受信装置サブセット内の送受信装置の数と、前記第2の送受信装置サブセット内の送受信装置の数とは等しい、請求項1に記載のフェーズドアレイ・システム。
- 前記アンテナ素子のアレイ内の前記アンテナ素子は、複数の縦列にまとめられ、奇数番目の縦列内にある前記アンテナ素子は、前記第1の送受信装置サブセット内の送受信装置に接続され、偶数番目の縦列内にある前記アンテナ素子は、前記第2の送受信装置サブセット内の送受信装置に接続されている、請求項1に記載のフェーズドアレイ・システム。
- 前記アンテナ素子のアレイ内の前記アンテナ素子は、複数の横列にまとめられ、奇数番目の横列内にある前記アンテナ素子は、前記第1の送受信装置サブセット内の送受信装置に接続され、偶数番目の横列内にある前記アンテナ素子は、前記第2の送受信装置サブセット内の送受信装置に接続されている、請求項1に記載のフェーズドアレイ・システム。
- アンテナ素子のアレイと、複数の送受信装置と、を用いる方法であって、前記複数の送受信装置は、(1)送信チェーンと、(2)受信チェーンと、(3)前記送信チェーンに電気的に接続された送信入力部、前記受信チェーンに電気的に接続された受信出力部、および前記アンテナ素子のアレイ内の対応する個別のアンテナ素子に電気的に接続された二重ポートを有する送受切換え器と、をそれぞれ含み、
前記複数の送受信装置を第1の送受信装置サブセットと第2の送受信装置サブセットとに分け、前記第1および第2の送受信装置サブセットが一緒に前記複数の送受信装置の全ての送受信装置を構成するようにすることと、
前記第2の送受信装置サブセット内の送受信装置ではなく、前記第1の送受信装置サブセット内の各送受信装置について、当該送受信装置内の前記送受切換え器の前記二重ポートと、当該送受切換え器の前記二重ポートが電気的に接続された前記アンテナ素子と、の間にΦ度(ここで、Φ=-(2n+1)90°であり、nは整数)の位相シフトを導入することと、を含む方法。 - n=0である、請求項7に記載の方法。
- 前記複数の送受信装置の各送受信装置内で、当該送受信装置の前記送信チェーンは、当該送受信装置の送信信号経路を形成し、
前記第2の送受信装置サブセット内の送受信装置ではなく、前記第1の送受信装置サブセット内の各送受信装置について、当該送受信装置の前記送信信号経路内で+90°の位相シフトを導入することをさらに含む、請求項8に記載の方法。 - 前記複数の送受信装置の各送受信装置内で、当該送受信装置の前記受信チェーンは、当該送受信装置の受信信号経路を形成し、
前記第2の送受信装置サブセット内の送受信装置ではなく、前記第1の送受信装置サブセット内の各送受信装置について、当該送受信装置の前記受信信号経路内で+90°の位相シフトを導入することをさらに含む、請求項9に記載の方法。 - アンテナ素子のアレイと、
少なくとも1つの送受信装置を備えた第1の送受信装置サブセットと、
少なくとも1つの送受信装置を備えた第2の送受信装置サブセットと、を備えたフェーズドアレイ・システムであって、
前記送受信装置の各々は、
入力と、
前記入力を介して送信信号を受信する送信チェーンと、
出力と、
残留送信信号と受信信号とを前記出力に送る受信チェーンと、
前記送信チェーンを介して前記入力に電気的に接続された送信入力部と、前記受信チェーンを介して前記出力に電気的に接続された受信出力部と、前記アレイ内の対応する前記アンテナ素子に電気的に接続された二重ポートとを有する送受切換え器と、を備え、
残留信号経路は、前記送受信装置の前記入力と前記出力との間に配置され、
前記第1の送受信装置サブセットの送受信装置の前記残留信号経路と、前記第2の送受信装置サブセットの送受信装置の前記残留信号経路とがフェーズドアレイ・システムの動作周波数において位相が180°異なるように、前記第1の送受信装置サブセット内の各送受信装置に対して、前記第2の送受信装置サブセット内の各送受信装置が設けられている、フェーズドアレイ・システム。
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US201962934148P | 2019-11-12 | 2019-11-12 | |
US62/934,148 | 2019-11-12 | ||
PCT/US2020/059330 WO2021096770A1 (en) | 2019-11-12 | 2020-11-06 | Transmitter signal cancellation in phased array transceivers |
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JPWO2021096770A5 JPWO2021096770A5 (ja) | 2023-11-14 |
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KR20220098180A (ko) | 2022-07-11 |
JP2023501572A (ja) | 2023-01-18 |
CA3158212A1 (en) | 2021-05-20 |
US20210143862A1 (en) | 2021-05-13 |
EP4059146A1 (en) | 2022-09-21 |
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US11606115B2 (en) | 2023-03-14 |
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