JP7356254B2 - 無線周波数トランシーバ - Google Patents
無線周波数トランシーバ Download PDFInfo
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- JP7356254B2 JP7356254B2 JP2019078419A JP2019078419A JP7356254B2 JP 7356254 B2 JP7356254 B2 JP 7356254B2 JP 2019078419 A JP2019078419 A JP 2019078419A JP 2019078419 A JP2019078419 A JP 2019078419A JP 7356254 B2 JP7356254 B2 JP 7356254B2
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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
- H04B1/0003—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
- H04B1/0028—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 baseband stage
- H04B1/0039—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 baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- 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
- H04B1/0096—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 where a full band is frequency converted into another full band
-
- 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
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
- H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Transceivers (AREA)
- Transmitters (AREA)
Description
本明細書に開示される発明は以下を含む。
[態様1]
送信機(2)と、周波数ダウンコンバータを構成する全複素ミキサ(5)を備える受信機(3)と、前記送信機をキャリブレートするとともに前記受信機のキャリブレーションを省略するように配置された同相及び直交インバランスキャリブレーションモジュール(4)と、を備える無線周波数トランシーバ。
[態様2]
前記送信機(2)から前記受信機(3)へのループバック接続(15)を備える態様1に記載の無線周波数トランシーバ。
[態様3]
前記受信機(3)並びに前記同相及び直交インバランスキャリブレーションモジュール(4)に接続した包絡線検波器(18)を備える態様1に記載の無線周波数トランシーバ。
[態様4]
前記受信機は、初期のRF信号処理を行う第1の受信機モジュール(6)と、周波数ダウンコンバートされた信号の引き続きの信号処理を行う第2の受信機モジュール(7)と、を備え、前記全複素ミキサ(5)は、前記第1の受信機モジュール及び前記第2の受信機モジュールに接続された態様1~3のいずれか一項に記載の無線周波数トランシーバ。
[態様5]
前記全複素ミキサ(5)は、無線信号同相入力部及び無線信号直交入力部(43,44)と、余弦信号入力部(37)と、正弦信号入力部(38)と、第1のミキサ(31a)、第2のミキサ(31b)、第3のミキサ(31c)及び第4のミキサ(31d)と、減算器(32)と、加算器(33)と、同相信号出力部(35)と、直交信号出力部(36)と、を備え、前記第1のミキサ及び前記第4のミキサは、無線周波数入力部及び前記余弦信号入力部に接続され、前記第2のミキサ及び前記第4のミキサは、無線周波数信号入力部及び前記正弦信号入力部に接続され、前記減算器は、前記第1のミキサ、前記第3のミキサ及び前記同相信号出力部に接続され、前記加算器は、前記第2のミキサ、前記第4のミキサ及び前記直交信号出力部に接続された態様1~4のいずれか一つに記載の無線周波数トランシーバ。
[態様6]
前記無線周波数トランシーバ(45)は、ダイレクトコンバージョントランシーバである態様1~4のいずれか一つに記載の無線周波数トランシーバ。
[態様7]
態様1~5のいずれか一つに記載の無線周波数トランシーバを備えるビーム形成トランシーバ無線周波数集積回路。
Claims (7)
- 送信機(2)と、周波数ダウンコンバータを構成する全複素ミキサ(5)を備える受信機(3)と、前記送信機をキャリブレートするとともに前記受信機のキャリブレーションを省略するように配置された同相及び直交インバランスキャリブレーションモジュール(4)と、を備え、
前記受信機は、初期のRF信号処理を行う第1の受信機モジュール(6)と、周波数ダウンコンバートされた信号の引き続きの信号処理を行う第2の受信機モジュール(7)と、を備え、前記全複素ミキサ(5)は、前記第1の受信機モジュール及び前記第2の受信機モジュールに接続された無線周波数トランシーバ。 - 送信機(2)と、周波数ダウンコンバータを構成する全複素ミキサ(5)を備える受信機(3)と、前記送信機をキャリブレートするとともに前記受信機のキャリブレーションを省略するように配置された同相及び直交インバランスキャリブレーションモジュール(4)と、を備え、
前記全複素ミキサ(5)は、無線信号同相入力部及び無線信号直交入力部(43,44)と、余弦信号入力部(37)と、正弦信号入力部(38)と、第1のミキサ(31a)、第2のミキサ(31b)、第3のミキサ(31c)及び第4のミキサ(31d)と、減算器(32)と、加算器(33)と、同相信号出力部(35)と、直交信号出力部(36)と、を備え、前記第1のミキサ及び前記第2のミキサは、前記無線信号同相入力部に接続され、前記第3のミキサ及び前記第4のミキサは、前記無線信号直交入力部に接続され、前記第1のミキサ及び前記第4のミキサは、前記余弦信号入力部に更に接続され、前記第2のミキサ及び前記第3のミキサは、前記正弦信号入力部に更に接続され、前記減算器は、前記第1のミキサ、前記第3のミキサ及び前記同相信号出力部に接続され、前記加算器は、前記第2のミキサ、前記第4のミキサ及び前記直交信号出力部に接続された無線周波数トランシーバ。 - 送信機(2)と、周波数ダウンコンバータを構成する全複素ミキサ(5)を備える受信機(3)と、前記送信機をキャリブレートするとともに前記受信機のキャリブレーションを省略するように配置された同相及び直交インバランスキャリブレーションモジュール(4)と、を備え、
前記受信機は、初期のRF信号処理を行う第1の受信機モジュール(6)と、周波数ダウンコンバートされた信号の引き続きの信号処理を行う第2の受信機モジュール(7)と、を備え、前記全複素ミキサ(5)は、前記第1の受信機モジュール及び前記第2の受信機モジュールに接続され、
前記全複素ミキサ(5)は、無線信号同相入力部及び無線信号直交入力部(43,44)と、余弦信号入力部(37)と、正弦信号入力部(38)と、第1のミキサ(31a)、第2のミキサ(31b)、第3のミキサ(31c)及び第4のミキサ(31d)と、減算器(32)と、加算器(33)と、同相信号出力部(35)と、直交信号出力部(36)と、を備え、前記第1のミキサ及び前記第2のミキサは、前記無線信号同相入力部に接続され、前記第3のミキサ及び前記第4のミキサは、前記無線信号直交入力部に接続され、前記第1のミキサ及び前記第4のミキサは、前記余弦信号入力部に更に接続され、前記第2のミキサ及び前記第3のミキサは、前記正弦信号入力部に更に接続され、前記減算器は、前記第1のミキサ、前記第3のミキサ及び前記同相信号出力部に接続され、前記加算器は、前記第2のミキサ、前記第4のミキサ及び前記直交信号出力部に接続された無線周波数トランシーバ。 - 前記送信機(2)から前記受信機(3)へのループバック接続(15)を備える請求項1~3のいずれか一項に記載の無線周波数トランシーバ。
- 前記送信機(2)並びに前記同相及び直交インバランスキャリブレーションモジュール(19)に接続した包絡線検波器(18)を備える請求項1~3のいずれか一項に記載の無線周波数トランシーバ。
- 前記無線周波数トランシーバは、ダイレクトコンバージョントランシーバ(45)である請求項1~5のいずれか一項に記載の無線周波数トランシーバ。
- 請求項1~6のいずれか一項に記載の無線周波数トランシーバを備えるビーム形成トランシーバ無線周波数集積回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP18168031.5A EP3557769A1 (en) | 2018-04-18 | 2018-04-18 | A radio frequency transceiver |
EP18168031.5 | 2018-04-18 |
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JP2019205159A JP2019205159A (ja) | 2019-11-28 |
JP2019205159A5 JP2019205159A5 (ja) | 2022-02-10 |
JP7356254B2 true JP7356254B2 (ja) | 2023-10-04 |
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US (1) | US10931316B2 (ja) |
EP (1) | EP3557769A1 (ja) |
JP (1) | JP7356254B2 (ja) |
CN (1) | CN110401465A (ja) |
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EP3557769A1 (en) * | 2018-04-18 | 2019-10-23 | Sivers Ima AB | A radio frequency transceiver |
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2019
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CN110401465A (zh) | 2019-11-01 |
US20190326939A1 (en) | 2019-10-24 |
US10931316B2 (en) | 2021-02-23 |
JP2019205159A (ja) | 2019-11-28 |
EP3557769A1 (en) | 2019-10-23 |
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