JP6728193B2 - トランシーバ自己干渉キャンセラのための回路及び方法 - Google Patents
トランシーバ自己干渉キャンセラのための回路及び方法 Download PDFInfo
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/002—N-path filters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
- H03H11/0444—Simulation of ladder networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/36—Networks for connecting several sources or loads, working on the same frequency band, to a common load or source
- H03H11/362—Networks for connecting several sources or loads, working on the same frequency band, to a common load or source particularly adapted for use in common antenna systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/01—Tuned parameter of filter characteristics
- H03H2210/012—Centre frequency; Cut-off frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/01—Tuned parameter of filter characteristics
- H03H2210/015—Quality factor or bandwidth
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/01—Tuned parameter of filter characteristics
- H03H2210/017—Amplitude, gain or attenuation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/02—Variable filter component
- H03H2210/021—Amplifier, e.g. transconductance amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/02—Variable filter component
- H03H2210/025—Capacitor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/02—Variable filter component
- H03H2210/028—Resistor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/104—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof of other parameters, e.g. DC offset, delay or propagation times
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Noise Elimination (AREA)
- Transceivers (AREA)
Description
本出願は、2014年10月1日付け出願の米国仮特許出願第62/058,575号、及び、2015年9月25日付け出願の米国仮特許出願第62/233,215号の優先権を主張するものであり、当該出願の開示全体は、参照によりここに組み込まれる。
本発明は、国防高等研究計画局により授与されたHR0011−12−1−0006の下で、アメリカ合衆国政府の支援によりなされた。アメリカ合衆国政府は、本発明に特定の権利を有する。
ここで:
Ai=(giRp,i)/(Rp,i+R)は、i番目のバンドパスフィルタの振幅を示し;
φiは、i番目のバンドパスフィルタの位相設定を示し;
Qi=(R||Rp,i)/(ωiLi)は、品質係数を示し;
ωi=1/(LiCi)1/2は、中心周波数を示す。
ωSIC,iは、i番目のバンドパスフィルタのキャンセル周波数である;
ROnはNパススイッチのオン抵抗であり;
fsは、スイッチング周波数であり;
ローディング効果CCは、無視される。
ここで、VOUTを算出するとき、ローディング効果CCは無視される。
Claims (9)
- トランシーバ自己干渉キャンセラのための回路であって、
各々が、異なるサブ周波数におけるアンテナ・アイソレーションの振幅、位相、振幅勾配及び位相勾配の応答をエミュレートする、複数のRF高Qバンドパスフィルタを備え、
前記複数のRF高Qバンドパスフィルタのそれぞれは、送信機の信号に結合される入力と、受信機の信号に結合される出力とを有する、回路。 - 請求項1に記載の回路において、前記複数のRF高Qバンドパスフィルタの各々は、
制御入力部と、前記送信機の信号に結合される第1サイドと、第2サイドとを有する第1可変抵抗と、
各々が、制御入力部と、前記可変抵抗の前記第2サイドに結合された第1サイドと、第2サイドとを有する複数の第1スイッチと、
各々が、制御入力部と、グランドに接続された第1サイドと、前記複数の第1スイッチの前記第2サイドの固有の1つに接続された第2サイドとを有する複数の第1可変容量と、
各々が、制御入力部と、前記複数の第1可変容量の前記第2サイドの固有の1つに結合された第1サイドと、第2サイドとを有する複数の第2スイッチと、
制御入力部と、グランドに接続された第1サイドと、前記複数の第2スイッチの前記第2サイドの各々に結合される第2サイドとを有する第2可変抵抗と、
制御入力部と、前記複数の第2スイッチの前記第2サイドの各々に接続される第1サイドと、前記受信機の信号に結合される第2サイドとを有する第2可変容量と、
各々が、前記複数の第1可変容量の前記第2サイドの固有の1つに接続される入力部と、前記複数の第1可変容量の前記第2サイドの固有の1つに接続される出力部とを有する複数の可変トランスコンダクタであって、該複数の可変トランスコンダクタの各々において、前記可変トランスコンダクタの前記入力部は、前記可変トランスコンダクタの前記出力部に接続されていない、複数の可変トランスコンダクタと、
各々が、前記複数の第1スイッチの前記制御入力部の固有の1つに接続される複数の出力部を有する第1ローカル発振器であって、該第1ローカル発振器は、一度に、前記複数の第1スイッチの1つをオンにする、第1ローカル発振器と、
各々が、前記複数の第2スイッチの前記制御入力部の固有の1つに接続される複数の出力部を有する第2ローカル発振器であって、該第2ローカル発振器は、一度に、前記複数の第2スイッチの1つをオンにし、さらに、前記第2ローカル発振器の前記複数の出力部は、前記第1ローカル発振器の前記複数の出力部から時間シフト量だけ時間的にシフトされる、第2ローカル発振器と、を備える、回路。 - 請求項2に記載の回路において、前記第1可変抵抗は、複数のスイッチトレジスタを含む、回路。
- 請求項2に記載の回路において、前記複数の第1可変容量の各々は、複数のスイッチトキャパシタを含む、回路。
- 請求項2に記載の回路において、前記複数の第2スイッチの各々は、トランジスタである、回路。
- 請求項2に記載の回路において、前記第2可変抵抗は、複数のスイッチトレジスタを含む、回路。
- 請求項2に記載の回路において、前記第2可変容量は、複数のスイッチトキャパシタを含む、回路。
- 請求項2に記載の回路において、前記複数の可変トランスコンダクタの各々は、スイッチトトランスコンダクタのバンクを含む、回路。
- 請求項2に記載の回路において、前記第1ローカル発振器及び前記第2ローカル発振器の各々は、25%ローカル発振器である、回路。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462058575P | 2014-10-01 | 2014-10-01 | |
US62/058,575 | 2014-10-01 | ||
US201562233215P | 2015-09-25 | 2015-09-25 | |
US62/233,215 | 2015-09-25 | ||
PCT/US2015/053614 WO2016054455A1 (en) | 2014-10-01 | 2015-10-01 | Circuits and methods for transceiver self-interference cancellers |
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JP2017535217A JP2017535217A (ja) | 2017-11-24 |
JP6728193B2 true JP6728193B2 (ja) | 2020-07-22 |
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US (1) | US10277204B2 (ja) |
EP (1) | EP3202043B1 (ja) |
JP (1) | JP6728193B2 (ja) |
KR (1) | KR102250210B1 (ja) |
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EP3367595B1 (en) * | 2015-10-21 | 2021-03-10 | LG Electronics Inc. | Method for controlling self-interference duplication signal for removing self-interference in environment supporting full-duplex radio (fdr) communication, and apparatus therefor |
US10879955B2 (en) | 2017-06-30 | 2020-12-29 | Transfert Plus, Societe En Commandite | Energy efficient ultra-wideband impulse radio systems and methods |
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US5473332A (en) * | 1994-08-10 | 1995-12-05 | Mcdonnell Douglas Corporation | RFI suppression circuit and method |
US6693971B1 (en) * | 2000-02-29 | 2004-02-17 | Bae Systems Information And Electronic Systems Integration Inc. | Wideband co-site interference reduction apparatus |
US7096042B2 (en) * | 2003-01-21 | 2006-08-22 | Interdigital Technology Corporation | System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions |
JP5002651B2 (ja) * | 2006-09-05 | 2012-08-15 | ソニーモバイルコミュニケーションズ, エービー | アンテナシステム及びアンテナシステムを動作させる方法 |
US8725067B2 (en) | 2008-08-14 | 2014-05-13 | Electronics And Telecommunications Research Institute | Self-interference cancellation method and apparatus of relay using the same frequency band in OFDM-based radio communication system |
US8081946B2 (en) | 2008-12-23 | 2011-12-20 | L-3 Communications Integrated Systems L.P. | Interference cancellation for reconfigurable direct RF bandpass sampling interference cancellation |
US8755756B1 (en) | 2009-04-29 | 2014-06-17 | Qualcomm Incorporated | Active cancellation of interference in a wireless communication system |
US8149742B1 (en) * | 2009-06-26 | 2012-04-03 | Rockwell Collins, Inc. | System and method for receiving and transmitting signals |
US20110256857A1 (en) | 2010-04-20 | 2011-10-20 | Intersil Americas Inc. | Systems and Methods for Improving Antenna Isolation Using Signal Cancellation |
KR20110124042A (ko) * | 2010-05-10 | 2011-11-16 | 삼성테크윈 주식회사 | 위상 노이즈가 제거되는 알에프아이디(rfid)의 리더 |
US8620242B2 (en) | 2010-08-19 | 2013-12-31 | Broadcom Corporation | High performance transmitter preamplification chain with calibration feedback |
CA2873424A1 (en) | 2012-05-13 | 2013-11-21 | Amir Khandani | Full duplex wireless transmission with channel phase-based encryption |
US9203455B2 (en) | 2012-08-14 | 2015-12-01 | Broadcom Corporation | Full duplex system with self-interference cancellation |
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WO2016054455A1 (en) | 2016-04-07 |
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JP2017535217A (ja) | 2017-11-24 |
EP3202043A4 (en) | 2018-10-24 |
US10277204B2 (en) | 2019-04-30 |
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