JP2020512770A - 調整可能な帯域外干渉緩和システムおよび方法 - Google Patents
調整可能な帯域外干渉緩和システムおよび方法 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
- H04B1/38—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
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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
- H04B1/0067—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 one or more circuit blocks in common for different bands
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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
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received 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
- H04B1/38—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
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B2001/1045—Adjacent-channel interference
Abstract
Description
[0001]この出願は、2017年3月27日に出願された米国仮出願番号62/477,341、2017年4月27日に出願された米国仮出願番号62/490,932、および2017年10月12日に出願された米国仮出願番号62/571,595の利益を主張するものであり、これらはすべて、この参照によりその全体が組み込まれる。
[0002]本発明は、一般に無線通信分野に関し、より具体的には調整可能な帯域外干渉を軽減するための新規かつ有用なシステムおよび方法に関する。
[0022]調整可能な帯域外干渉緩和システム1000は、送信帯域干渉キャンセルシステム(TxICS)1100、送信帯域ノイズキャンセルシステム(TxNCS)1200、受信帯域干渉キャンセルシステム(RxICS)1300、および受信帯域ノイズキャンセルシステム(RxNCS)1400のうちの1以上を含む。システム1000はさらに、信号カプラ1010、増幅器1020、周波数アップコンバータ1030、周波数ダウンコンバータ1040、アナログ−デジタル変換器(ADC)1050、デジタル−アナログコンバータ(DAC)1060、時間遅延1070、フィルタ1080、およびその他の回路要素(位相シフタ、減衰器、トランスなど)を含む、干渉キャンセルおよび/またはフィルタリングを実現する任意数の追加要素を含み得る。
[00110]リレーおよび共同設置トランシーバ用の調整可能な帯域外干渉緩和システム2000は、干渉キャンセルシステム(ICS)2100と、ノイズキャンセルシステム(NCS)2200との少なくとも1つを備える。システム2000は、信号カプラ2010、増幅器2020、周波数アップコンバータ2030、周波数ダウンコンバータ2040、アナログデジタル変換器(ADC)2050、デジタル−アナログコンバータ(DAC)2060、時間遅延2070、フィルタ2080、およびその他の回路コンポーネント(位相シフタ、減衰器、変圧器など)を含む、干渉キャンセルおよび/またはフィルタリングを可能にする任意の数の追加要素をさらに含むことができる。
Claims (24)
- 干渉を緩和するためのシステムにおいて、
通信システムのアナログ送信信号に通信可能に結合され、アナログ送信信号を第1パスアナログ送信信号と第2パスアナログ送信信号とに分割する第1送信カプラと、
前記第1パスアナログ送信信号をサンプリングし、当該第1パスアナログ送信信号から受信帯域ノイズキャンセル信号を生成する受信帯域ノイズキャンセルシステムと、
送信帯域内の第2パスアナログ送信信号をフィルタリングして、前記送信帯域外の信号パワーを低減する第1送信帯域フィルタと、
前記受信帯域ノイズキャンセル信号と前記第2パスアナログ送信信号とを結合し、ノイズが低減されたアナログ送信信号を生成する第2送信カプラであって、前記ノイズが低減されたアナログ送信信号は、前記第2パスアナログ送信信号と比較して、受信帯域内の信号パワーがさらに低減されている、第2送信カプラと、
前記通信システムのアナログ受信信号に通信可能に結合され、前記アナログ受信信号を第1パスアナログ受信信号と第2パスアナログ受信信号に分割する第1受信カプラと、
前記第1パスアナログ受信信号をサンプリングし、当該第1パスアナログ受信信号から送信帯域ノイズキャンセル信号を生成する送信帯域ノイズキャンセルシステムと、
前記受信帯域内の第2パスアナログ受信信号をフィルタリングし、前記受信帯域外の信号パワーを低減する第1受信帯域フィルタと、
前記送信帯域ノイズキャンセル信号と前記第2パスアナログ受信信号とを組み合わせ、ノイズが低減されたアナログ受信信号を生成する第2受信カプラであって、前記ノイズが低減されたアナログ受信信号は、前記第2パスアナログ受信信号と比較して、送信帯域の信号パワーがさらに低減されている、第2受信カプラと、
を備えることを特徴とするシステム。 - 前記受信帯域ノイズキャンセルシステムは、前記受信帯域ノイズキャンセル信号を第1の量だけ遅延させ;前記第1送信帯域フィルタは、前記第2パスアナログ送信信号を第2の量だけ遅延させ;前記第1の量は前記第2の量の10パーセント以内である、請求項1に記載のシステム。
- 前記受信帯域ノイズキャンセルシステムによる処理の前に、前記受信帯域内の前記第1パスアナログ送信信号をフィルタリングし、前記受信帯域外の信号パワーをさらに低減する第2受信帯域フィルタをさらに備える、請求項1に記載のシステム。
- 前記第2受信帯域フィルタは、前記第1パスアナログ送信信号を第1の量だけ遅延させ;前記受信帯域ノイズキャンセルシステムは、前記受信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第1送信帯域フィルタは、前記第2パスアナログ送信信号を第3の量だけ遅延させ;前記第1の量と第2の量の合計は、前記第3の量の10パーセント以内である、請求項3に記載のシステム。
- 前記受信帯域ノイズキャンセルシステムは、前記受信帯域ノイズキャンセル信号の送信帯域に第1のノイズ成分を導入し;前記受信帯域ノイズキャンセル信号をフィルタリングする第3受信帯域フィルタをさらに備え、その結果、受信帯域外の信号パワーが低減されるとともに、前記第1のノイズ成分が低減される、請求項3に記載のシステム。
- 前記第2受信帯域フィルタは、前記第1パスアナログ送信信号を第1の量だけ遅延させ;前記受信帯域ノイズキャンセルシステムは、前記受信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第3受信帯域フィルタは、前記受信帯域ノイズキャンセル信号を第3の量だけ遅延させ;前記第1送信帯域フィルタは、前記第2パスアナログ送信信号を第4の量だけ遅延させ;前記第1、第2、および第3の量の合計は、前記第4の量の10パーセント以内である、請求項5に記載のシステム。
- 前記第1送信帯域フィルタによるフィルタリングの後に、前記送信帯域内の前記第2パスアナログ送信信号をフィルタリングし、送信帯域外の信号パワーをさらに低減する第2送信帯域フィルタをさらに備える、請求項5に記載のシステム。
- 前記第2受信帯域フィルタは、前記第1パスアナログ送信信号を第1の量だけ遅延させ;前記受信帯域ノイズキャンセルシステムは、前記受信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第3受信帯域フィルタは、前記受信帯域ノイズキャンセル信号を第3の量だけ遅延させ;前記第1送信帯域フィルタは、前記第2パスアナログ送信信号を第4の量だけ遅延させ;前記第2送信帯域フィルタは、前記第2パスアナログ送信信号を第5の量だけ遅延させ;前記第1、第2、および第3の量の合計は、前記第4および第5の量の合計の10パーセント以内である、請求項7に記載のシステム。
- 前記送信帯域ノイズキャンセルシステムは、前記受信帯域ノイズキャンセル信号を第1の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第2の量だけ遅延させ;前記第1の量は前記第2の量の10パーセント以内である、請求項7に記載のシステム。
- 前記送信帯域ノイズキャンセルシステムによる処理の前に、送信帯域内の前記第1パスアナログ受信信号をフィルタリングし、送信帯域外の信号パワーを低減する第3送信帯域フィルタをさらに備える、請求項7に記載のシステム。
- 前記第3送信帯域フィルタは、前記第1パスアナログ受信信号を第1の量だけ遅延させ;前記送信帯域ノイズキャンセルシステムは、ノイズが低減された第1パスアナログ受信信号を第2の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第3の量だけ遅延させ;前記第1および第2の量の合計は、前記第3の量の10パーセント以内である、請求項10に記載のシステム。
- 前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号の受信帯域に第2のノイズ成分を導入し;前記送信帯域ノイズキャンセル信号をフィルタリングする第4送信帯域フィルタをさらに備え、その結果、送信帯域外の信号パワーが低減されるとともに、前記第2のノイズ成分が低減される、請求項10に記載のシステム。
- 前記第3送信帯域フィルタは、前記第1パスアナログ受信信号を第1の量だけ遅延させ;前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第4送信帯域フィルタは、前記送信帯域ノイズキャンセル信号を第3の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第4の量だけ遅延させ;前記第1、第2、および第3の量の合計は、前記第4の量の10パーセント以内である、請求項12に記載のシステム。
- 前記第1受信帯域フィルタによるフィルタリングの後に、前記受信帯域内の前記第2パスアナログ受信信号をフィルタリングする第4受信帯域フィルタをさらに備え、その結果前記受信帯域外の信号パワーをさらに低減する、請求項12に記載のシステム。
- 前記第3送信帯域フィルタは、前記第1パスアナログ受信信号を第1の量だけ遅延させ;前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第4送信帯域フィルタは、前記送信帯域ノイズキャンセル信号を第3の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第4の量だけ遅延させ;前記第4受信帯域フィルタは、前記第2パスアナログ受信信号を第5の量だけ遅延させ;前記第1、第2、および第3の量の合計は、前記第4および第5の量の合計の10パーセント以内である、請求項14に記載のシステム。
- 前記第2受信帯域フィルタは、前記第1パスアナログ送信信号を第6の量だけ遅延させ;前記受信帯域ノイズキャンセルシステムは、前記受信帯域ノイズキャンセル信号を第7の量だけ遅延させ;前記第3受信帯域フィルタは、前記送信帯域ノイズキャンセル信号を第8の量だけ遅延させ;前記第1送信帯域フィルタは、前記第2パスアナログ送信信号を第9の量だけ遅延させ;前記第2送信帯域フィルタは、前記第2パスアナログ送信信号を第10の量だけ遅延させ;前記第6、第7、および第8の量の合計は、前記第9および第10の量の合計の10パーセント以内である、請求項15に記載のシステム。
- 前記第1、第2、および第3の量の合計も、前記第6、第7、および第8の量の合計の10パーセント以内であるとともに、前記第1、第2、および第3の量の合計も、前記第9および第10の量の合計の10パーセント以内である、請求項16に記載のシステム。
- 前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号を第1の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第2の量だけ遅延させ;前記第1の量は前記第2の量の10パーセント以内である、請求項1に記載のシステム。
- 前記送信帯域ノイズキャンセルシステムによる処理の前に、前記送信帯域内の前記第1パスアナログ受信信号をフィルタリングする第2の送信帯域フィルタをさらに備え、その結果、前記送信帯域外の信号パワーを低減する、請求項1に記載のシステム。
- 前記第2送信帯域フィルタは、前記第1パスアナログ受信信号を第1の量だけ遅延させ;前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第3の量だけ遅延させ;前記第1および第2の量の合計は、前記第3の量の10パーセント以内である、請求項18に記載のシステム。
- 前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号の受信帯域に第1のノイズ成分を導入し;前記送信帯域ノイズキャンセル信号をフィルタリングする第3送信帯域フィルタをさらに備え、その結果、送信帯域外の信号電力が低減されるとともに、前記第1のノイズ成分が低減される、請求項18に記載のシステム。
- 前記第2送信帯域フィルタは、前記第1パスアナログ受信信号を第1の量だけ遅延させ;前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第3送信帯域フィルタは、前記送信帯域ノイズキャンセル信号を第3の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第4の量だけ遅延させ;前記第1、第2、および第3の量の合計は、前記第4の量の10パーセント以内である、請求項21に記載のシステム。
- 前記第1受信帯域フィルタによるフィルタリングの後に、前記受信帯域内の前記第2パスアナログ受信信号をフィルタリングし、前記受信帯域外の信号電力をさらに低減する第2受信帯域フィルタをさらに備える、請求項21に記載のシステム。
- 前記第2送信帯域フィルタは、前記第1パスアナログ受信信号を第1の量だけ遅延させ;前記送信帯域ノイズキャンセルシステムは、前記送信帯域ノイズキャンセル信号を第2の量だけ遅延させ;前記第3送信帯域フィルタは、前記送信帯域ノイズキャンセル信号を第3の量だけ遅延させ;前記第1受信帯域フィルタは、前記第2パスアナログ受信信号を第4の量だけ遅延させ;前記第2受信帯域フィルタは、前記第2パスアナログ受信信号を第5の量だけ遅延させ;前記第1、第2、および第3の量の合計は、前記第4および第5の量の合計の10パーセント以内である、請求項23に記載のシステム。
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JP2021085853A JP7114779B2 (ja) | 2017-03-27 | 2021-05-21 | 調整可能な帯域外干渉緩和システムおよび方法 |
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US201762477341P | 2017-03-27 | 2017-03-27 | |
US62/477,341 | 2017-03-27 | ||
US201762490932P | 2017-04-27 | 2017-04-27 | |
US62/490,932 | 2017-04-27 | ||
US201762571595P | 2017-10-12 | 2017-10-12 | |
US62/571,595 | 2017-10-12 | ||
PCT/US2018/024577 WO2018183333A1 (en) | 2017-03-27 | 2018-03-27 | Systems and methods for tunable out-of-band interference mitigation |
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