JP7034344B2 - 高速デジタルビット生成器 - Google Patents
高速デジタルビット生成器 Download PDFInfo
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- JP7034344B2 JP7034344B2 JP2020572067A JP2020572067A JP7034344B2 JP 7034344 B2 JP7034344 B2 JP 7034344B2 JP 2020572067 A JP2020572067 A JP 2020572067A JP 2020572067 A JP2020572067 A JP 2020572067A JP 7034344 B2 JP7034344 B2 JP 7034344B2
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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
- H04B1/0007—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 radiofrequency or intermediate frequency stage
- H04B1/0017—Digital filtering
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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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
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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
- H04B1/0007—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 radiofrequency or intermediate frequency stage
- H04B1/0014—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 radiofrequency or intermediate frequency stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
- H03M3/466—Multiplexed conversion systems
Description
Claims (8)
- 光フロントインターフェースのための高速デジタルビット生成器であって、
一組のディスジョイント周波数帯域上で送信される信号のベースバンドサンプルを受信する一組の入力ポートであって、各入力ポートは、対応する無線周波数(RF)帯域上で送信されるベースバンドサンプルのシーケンスを受信する、一組の入力ポートと、
一組のフィルタバンクであって、入力ポートごとに1つのフィルタバンクが存在し、各フィルタバンクは、対応する前記ベースバンドサンプルのシーケンスのシフトされた位相をサンプリングし、サンプリングされた位相を補間して、前記シフトされた位相を有する補間されたベースバンド位相サンプルの複数のシーケンスを生成する複数のデジタル多相補間フィルタを備える、一組のフィルタバンクと、
一組の発振器バンクであって、フィルタバンクごとに1つの発振器バンクが存在し、各発振器バンクは、デジタル波形のサンプルの複数のシーケンスを生成する、前記複数のデジタル多相補間フィルタに対応する複数の多相デジタルダイレクトシンセサイザ(DDS)を備え、前記補間されたベースバンド位相サンプルのそれぞれにデジタル波形のサンプルの1つのシーケンスが存在し、前記デジタル波形のサンプルのシーケンスは、対応する前記補間されたベースバンド位相サンプルと位相同期され、前記デジタル波形の実効周波数は、RFサンプリングレートを前記複数の補間されたベースバンド位相サンプルの数によって除算したものに等しい、一組の発振器バンクと、
一組のミキサバンクであって、フィルタバンクごとに1つのミキサバンクが存在し、各ミキサバンクは、デジタル波形のサンプルの対応するシーケンスと、補間されたベースバンド位相サンプルとを混合し、補間されたベースバンド位相サンプルの各シーケンスを前記実効周波数にアップコンバートする複数の並列デジタルミキサを備える、一組のミキサバンクと、
アップコンバートされた補間されたベースバンド位相サンプルの異なる周波数帯域の同相シーケンスを結合して、マルチバンドアップコンバートサンプルの複数のシーケンスを生成する並列デジタルコンバイナと、
前記マルチバンドアップコンバートサンプルの複数のシーケンスを変調及び符号化して、複数の符号化されたマルチバンド信号を生成するパルスエンコーダと、
前記複数の符号化されたマルチバンド信号をRFビットストリームに変換するシリアライザと、
前記RFビットストリームを、光ファイバを介して出力するための光信号に変換するE/Oインターフェースと、
を備える、高速デジタルビット生成器。 - 各前記デジタル多相補間フィルタは、補間器と直列に結合されたポリフェーザフィルタを含む、請求項1に記載の高速デジタルビット生成器。
- 前記パルスエンコーダはマルチバンドパルス幅変調器である、請求項1に記載の高速デジタルビット生成器。
- 前記パルスエンコーダはデルタシグマ変調器である、請求項1に記載の高速デジタルビット生成器。
- 前記パルスエンコーダは2レベル符号化信号を出力する、請求項1に記載の高速デジタルビット生成器。
- 前記パルスエンコーダはマルチレベル符号化信号を出力し、レベルの数は2よりも大きい、請求項1に記載の高速デジタルビット生成器。
- 前記一組の入力ポートおよび前記一組のフィルタバンクは、複数の周波数帯域にわたり、各周波数帯域を用いて前記一組のディスジョイント周波数帯域上で送信される信号の2次元並列化を行う、請求項1に記載の高速デジタルビット生成器。
- 多相デジタルダイレクトシンセサイザが、クロック刻みごとにM個の位相にわたって分配されるコサインサンプル及びサインサンプルを生成する、請求項1に記載の高速デジタルビット生成器。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/006,101 US10187232B1 (en) | 2018-06-12 | 2018-06-12 | Multi-band radio frequency transmitter |
US16/006,101 | 2018-06-12 | ||
US16/217,491 | 2018-12-12 | ||
US16/217,491 US10516420B1 (en) | 2018-06-12 | 2018-12-12 | High speed digital bit generator for optical frontal interface |
PCT/JP2019/023783 WO2019240291A1 (en) | 2018-06-12 | 2019-06-10 | High speed digital bit generator |
Publications (2)
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JP2021516521A JP2021516521A (ja) | 2021-07-01 |
JP7034344B2 true JP7034344B2 (ja) | 2022-03-11 |
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US (1) | US10516420B1 (ja) |
EP (1) | EP3808000B1 (ja) |
JP (1) | JP7034344B2 (ja) |
CN (1) | CN112236944B (ja) |
WO (1) | WO2019240291A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US10523478B1 (en) * | 2018-06-12 | 2019-12-31 | Mitsubishi Electric Research Laboratories, Inc. | System and method for generating high speed digitized-RF signals |
US11121680B1 (en) * | 2020-03-30 | 2021-09-14 | Mitsubishi Electric Research Laboratories, Inc. | All-digital transmitter with wideband beamformer |
EP4298737A1 (en) * | 2021-02-24 | 2024-01-03 | BlueHalo LLC | System and method for a digitally beamformed phased array feed |
RU2770420C1 (ru) * | 2021-05-25 | 2022-04-18 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский автомобильно-дорожный государственный технический университет (МАДИ)" | Способ кодирования цифровой информации в радиоканале |
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US20140314178A1 (en) | 2013-04-22 | 2014-10-23 | Sang-Ho Seo | Digital wireless transmitter having parallel structure and wireless communication system including the same |
JP2016530739A (ja) | 2013-10-25 | 2016-09-29 | 三菱電機株式会社 | 送信機 |
JP2017529023A (ja) | 2014-11-10 | 2017-09-28 | 三菱電機株式会社 | マルチ帯域信号を生成するシステム及び方法 |
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US8693876B2 (en) * | 2009-01-23 | 2014-04-08 | Ciena Corporation | High speed signal generator |
CN102714541A (zh) * | 2010-01-18 | 2012-10-03 | 株式会社日立制作所 | 光通信系统、光发送器、光接收器以及光转发器 |
CN102223340B (zh) * | 2011-06-20 | 2013-12-11 | 电子科技大学 | 基于光梳的太比特传输速率相干光正交频分复用系统 |
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US10187232B1 (en) * | 2018-06-12 | 2019-01-22 | Mitsubishi Electric Research Laboratories, Inc. | Multi-band radio frequency transmitter |
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2018
- 2018-12-12 US US16/217,491 patent/US10516420B1/en active Active
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2019
- 2019-06-10 EP EP19745303.8A patent/EP3808000B1/en active Active
- 2019-06-10 JP JP2020572067A patent/JP7034344B2/ja active Active
- 2019-06-10 CN CN201980036101.5A patent/CN112236944B/zh active Active
- 2019-06-10 WO PCT/JP2019/023783 patent/WO2019240291A1/en unknown
Patent Citations (4)
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JP2002528945A (ja) | 1998-10-19 | 2002-09-03 | モトローラ・インコーポレイテッド | 多重チャネル多相フィルタにおいて非整数サンプリング・レート変更を行う装置 |
US20140314178A1 (en) | 2013-04-22 | 2014-10-23 | Sang-Ho Seo | Digital wireless transmitter having parallel structure and wireless communication system including the same |
JP2016530739A (ja) | 2013-10-25 | 2016-09-29 | 三菱電機株式会社 | 送信機 |
JP2017529023A (ja) | 2014-11-10 | 2017-09-28 | 三菱電機株式会社 | マルチ帯域信号を生成するシステム及び方法 |
Non-Patent Citations (2)
Title |
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Daniel C. Dinis et al.,A Fully Parallel Architecture for Designing Frequency-Agile and Real-Time Reconfigurable FPGA-Based RF Digital Transmitters,IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,2018年,VOL. 66, NO. 3,pp. 1489-1499 |
Daniel C. Dinis et al.,Agile Single- and Dual-Band All-Digital Transmitter Based on a Precompensated Tunable Delta-Sigma Modulator,IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,2016年,VOL. 64, NO. 12,pp. 4720-4730 |
Also Published As
Publication number | Publication date |
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US20190379407A1 (en) | 2019-12-12 |
US10516420B1 (en) | 2019-12-24 |
WO2019240291A1 (en) | 2019-12-19 |
CN112236944B (zh) | 2022-05-17 |
EP3808000B1 (en) | 2022-11-16 |
EP3808000A1 (en) | 2021-04-21 |
JP2021516521A (ja) | 2021-07-01 |
CN112236944A (zh) | 2021-01-15 |
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