JP4018406B2 - デジタル信号をアナログ形式で処理する方法と送信器 - Google Patents

デジタル信号をアナログ形式で処理する方法と送信器 Download PDF

Info

Publication number
JP4018406B2
JP4018406B2 JP2002036400A JP2002036400A JP4018406B2 JP 4018406 B2 JP4018406 B2 JP 4018406B2 JP 2002036400 A JP2002036400 A JP 2002036400A JP 2002036400 A JP2002036400 A JP 2002036400A JP 4018406 B2 JP4018406 B2 JP 4018406B2
Authority
JP
Japan
Prior art keywords
frequency
image
digital input
analog
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2002036400A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002271212A (ja
JP2002271212A5 (enExample
Inventor
アントニオ ガルセーラン ジュリオ
ジョセフ カミンスキー ウォーター
ラッド アリルド
Original Assignee
ルーセント テクノロジーズ インコーポレーテッド
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ルーセント テクノロジーズ インコーポレーテッド filed Critical ルーセント テクノロジーズ インコーポレーテッド
Publication of JP2002271212A publication Critical patent/JP2002271212A/ja
Publication of JP2002271212A5 publication Critical patent/JP2002271212A5/ja
Application granted granted Critical
Publication of JP4018406B2 publication Critical patent/JP4018406B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
JP2002036400A 2001-02-16 2002-02-14 デジタル信号をアナログ形式で処理する方法と送信器 Expired - Fee Related JP4018406B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/784846 2001-02-16
US09/784,846 US6944238B2 (en) 2001-02-16 2001-02-16 Digital transmitter system and method

Publications (3)

Publication Number Publication Date
JP2002271212A JP2002271212A (ja) 2002-09-20
JP2002271212A5 JP2002271212A5 (enExample) 2005-07-28
JP4018406B2 true JP4018406B2 (ja) 2007-12-05

Family

ID=25133706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002036400A Expired - Fee Related JP4018406B2 (ja) 2001-02-16 2002-02-14 デジタル信号をアナログ形式で処理する方法と送信器

Country Status (6)

Country Link
US (1) US6944238B2 (enExample)
EP (1) EP1233507B1 (enExample)
JP (1) JP4018406B2 (enExample)
KR (1) KR100470255B1 (enExample)
CA (1) CA2369227C (enExample)
DE (1) DE60207456T2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2390497A (en) * 2002-07-04 2004-01-07 R F Engines Ltd Frequency band separation using complex frequency shifting converters
US20050175073A1 (en) * 2002-11-01 2005-08-11 Kari Pajukoski Data transmission method and transmitter
KR100585933B1 (ko) * 2003-08-20 2006-06-01 한국전자통신연구원 디지털 멀티미디어 방송 시스템 및 그 방법
US8019015B2 (en) * 2007-02-26 2011-09-13 Harris Corporation Linearization of RF power amplifiers using an adaptive subband predistorter
RU2009145693A (ru) * 2007-05-10 2011-06-20 Астриум Лимитед (Gb) Система обработки сигналов
US8588327B1 (en) * 2007-12-31 2013-11-19 Apple Inc. Digital transmitter
US7642850B2 (en) * 2008-04-02 2010-01-05 Harris Corporation Feedforward linearization of RF power amplifiers
JP5861084B2 (ja) * 2012-01-23 2016-02-16 パナソニックＩｐマネジメント株式会社 無線回路及び照明制御システム
CN103974089B (zh) * 2013-02-06 2017-07-28 北京昆腾微电子有限公司 无线音视频发射机及无线音视频处理方法
CN110999234B (zh) * 2017-08-10 2022-08-30 康普技术有限责任公司 用于数字预失真的方法和装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987280A (en) * 1975-05-21 1976-10-19 The United States Of America As Represented By The Secretary Of The Navy Digital-to-bandpass converter
DE3021012C2 (de) * 1980-06-03 1985-08-22 ANT Nachrichtentechnik GmbH, 7150 Backnang Verallgemeinertes interpolativers Verfahren zur Digital-Analog-Umsetzung von PCM Signalen
US4484178A (en) * 1982-06-22 1984-11-20 International Business Machines Corporation Digital-to-analog converter
US4855894A (en) * 1987-05-25 1989-08-08 Kabushiki Kaisha Kenwood Frequency converting apparatus
JPH0648767B2 (ja) * 1989-06-08 1994-06-22 株式会社ケンウッド ディジタル振幅変調装置
US5220557A (en) 1991-09-23 1993-06-15 Hughes Aircraft Company Multiple use digital transmitter/transceiver with time multiplexing
DE69411926T2 (de) * 1993-09-13 1999-02-18 Analog Devices Inc Digital-analog-wandlung mit nicht-uniformen abtastraten
JPH08330968A (ja) * 1995-01-12 1996-12-13 Texas Instr Inc <Ti> オーバーサンプリング・ディジタル／アナログ変換器及びその補償方法
US5930301A (en) 1996-06-25 1999-07-27 Harris Corporation Up-conversion mechanism employing side lobe-selective pre-distortion filter and frequency replica-selecting bandpass filter respectively installed upstream and downstream of digital-to-analog converter
US5924031A (en) * 1997-01-21 1999-07-13 Hughes Electronics Corporation Interconnective transponder systems and methods
IT1294284B1 (it) 1997-07-29 1999-03-24 Italtel Spa Radiotrasmettitore a larga banda per un segnale costituito da una pluralita' di portanti equispaziate modulate digitalmente
US6268818B1 (en) 1998-06-24 2001-07-31 Conexant Systems, Inc. Method and apparatus for improving modulation accuracy
KR200190642Y1 (ko) * 2000-03-07 2000-08-01 엘지정보통신주식회사 변환기의 출력 조절 장치
US6507303B1 (en) * 2000-05-31 2003-01-14 3Com Corp Direct digital conversion of baseband signals to super-nyquist frequencies

Also Published As

Publication number Publication date
CA2369227C (en) 2005-03-29
JP2002271212A (ja) 2002-09-20
US6944238B2 (en) 2005-09-13
EP1233507A1 (en) 2002-08-21
KR20020067625A (ko) 2002-08-23
EP1233507B1 (en) 2005-11-23
US20020114403A1 (en) 2002-08-22
DE60207456T2 (de) 2006-08-03
DE60207456D1 (de) 2005-12-29
CA2369227A1 (en) 2002-08-16
KR100470255B1 (ko) 2005-02-07

Similar Documents

Publication Publication Date Title
EP1502362B1 (en) System and method for eliminating signal zero crossings in single and multiple channel communication systems
EP1148653B1 (en) Receiver system using analog to digital conversion at radio frequency and method
US5812605A (en) Multi-channel digital transceiver and method
US5490172A (en) Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling
US7095798B2 (en) System and method for post filtering peak power reduction in multi-carrier communications systems
KR20050014850A (ko) 직접 변환 다중 캐리어 프로세서를 위한 방법 및 시스템
JPH10224250A (ja) 通信システムにおいて受信された信号を処理する方法及び回路装置
JP4018406B2 (ja) デジタル信号をアナログ形式で処理する方法と送信器
CN101099364A (zh) 正交失配补偿
US7755524B2 (en) Method for performing a digital to analog conversion of a digital signal, and corresponding electronic device
US5854813A (en) Multiple access up converter/modulator and method
US6870435B2 (en) Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
WO2007090929A1 (en) Digital-to-radio frequency conversion device, chip set, transmitter, user terminal and data processing method
AU695320B2 (en) Multiple access up converter/modulator and method
WO1997005721A1 (en) Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling
Logvinov et al. Structural Diagrams of Radio Receivers
JP2006502683A (ja) 電磁波送信機システム、方法及び製品
WO2005008928A2 (en) System and method for an upconverter for stacked intermediate frequency carriers
JP2003298432A (ja) 送信装置及びそれを備えた無線通信装置
JP2004048529A (ja) マルチモード直交変復調器及び無線装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20041215

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041215

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070122

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070205

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20070502

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20070509

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070802

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070829

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070920

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100928

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100928

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110928

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110928

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120928

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120928

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130928

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees