DE19680328T1 - Aufwärtsumsetzer/Modulator mit Mehrfachzugriff und Verfahren - Google Patents

Aufwärtsumsetzer/Modulator mit Mehrfachzugriff und Verfahren

Info

Publication number
DE19680328T1
DE19680328T1 DE19680328T DE19680328T DE19680328T1 DE 19680328 T1 DE19680328 T1 DE 19680328T1 DE 19680328 T DE19680328 T DE 19680328T DE 19680328 T DE19680328 T DE 19680328T DE 19680328 T1 DE19680328 T1 DE 19680328T1
Authority
DE
Germany
Prior art keywords
modulator
converter
multiple access
access
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.)
Ceased
Application number
DE19680328T
Other languages
German (de)
English (en)
Inventor
Alan Patrick Rottinghaus
Daniel Morris Lurey
Yuda Yehuda Luz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE19680328T1 publication Critical patent/DE19680328T1/de
Ceased legal-status Critical Current

Links

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
    • H04B1/0003—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Communication Control (AREA)
  • Transceivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DE19680328T 1995-04-03 1996-02-29 Aufwärtsumsetzer/Modulator mit Mehrfachzugriff und Verfahren Ceased DE19680328T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41538795A 1995-04-03 1995-04-03
PCT/US1996/002746 WO1996031942A1 (en) 1995-04-03 1996-02-29 Multiple access up converter/modulator and method

Publications (1)

Publication Number Publication Date
DE19680328T1 true DE19680328T1 (de) 1997-07-31

Family

ID=23645488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19680328T Ceased DE19680328T1 (de) 1995-04-03 1996-02-29 Aufwärtsumsetzer/Modulator mit Mehrfachzugriff und Verfahren

Country Status (17)

Country Link
JP (1) JPH10501674A (es)
KR (1) KR100210633B1 (es)
CN (1) CN1064794C (es)
AU (1) AU695320B2 (es)
BR (1) BR9605951A (es)
CA (1) CA2191098C (es)
DE (1) DE19680328T1 (es)
FI (1) FI964824A (es)
FR (1) FR2732535B1 (es)
GB (1) GB2304262A (es)
IL (1) IL117369A0 (es)
IT (1) IT1284306B1 (es)
MX (1) MX9606016A (es)
PL (1) PL180753B1 (es)
SE (1) SE519826C2 (es)
TW (1) TW287335B (es)
WO (1) WO1996031942A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034969A (en) * 1998-05-26 2000-03-07 Motorola, Inc. Method and system for cross frame transmit combining of transmit signals
JP5414484B2 (ja) * 2009-12-01 2014-02-12 三菱電機株式会社 フーリエ変換回路、受信装置およびフーリエ変換方法
US8174441B2 (en) * 2010-06-01 2012-05-08 Mediatek Inc. Configurable calculating circuit and receiver having a plurality of configurable calculating circuits
CN102147473B (zh) * 2010-12-17 2012-09-26 航天恒星科技有限公司 一种同频多系统卫星导航信号生成系统
CN110995334B (zh) * 2019-12-02 2022-04-19 西安航天天绘数据技术有限公司 一种多通道并行处理的天基跳频数据链系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388381A1 (en) * 1989-03-13 1990-09-19 Telefonaktiebolaget L M Ericsson Wave-form generator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462001A (en) * 1982-02-22 1984-07-24 Canadian Patents & Development Limited Baseband linearizer for wideband, high power, nonlinear amplifiers
GB2135844B (en) * 1983-02-21 1986-08-28 Nippon Telegraph & Telephone Oscillator with variable frequency and phase
ATE87777T1 (de) * 1985-04-04 1993-04-15 Motorola Inc Digitale zero-mf selektive stufe.
US5008900A (en) * 1989-08-14 1991-04-16 International Mobile Machines Corporation Subscriber unit for wireless digital subscriber communication system
US5111163A (en) * 1991-05-06 1992-05-05 Hughes Aircraft Company Digital FM modulator
US5351016A (en) * 1993-05-28 1994-09-27 Ericsson Ge Mobile Communications Inc. Adaptively self-correcting modulation system and method
US5412351A (en) * 1993-10-07 1995-05-02 Nystrom; Christian Quadrature local oscillator network
US5386202A (en) * 1993-11-03 1995-01-31 Sicom, Inc. Data communication modulation with managed intersymbol interference
US5412352A (en) * 1994-04-18 1995-05-02 Stanford Telecommunications, Inc. Modulator having direct digital synthesis for broadband RF transmission

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388381A1 (en) * 1989-03-13 1990-09-19 Telefonaktiebolaget L M Ericsson Wave-form generator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FRIEDRICH, Bernd: Kanalkodierung, Berlin u.a.: Springer, 1996, S. 412-415 *

Also Published As

Publication number Publication date
WO1996031942A1 (en) 1996-10-10
TW287335B (es) 1996-10-01
ITRM960188A1 (it) 1997-09-25
SE519826C2 (sv) 2003-04-15
BR9605951A (pt) 1997-08-19
ITRM960188A0 (es) 1996-03-25
GB2304262A (en) 1997-03-12
CA2191098A1 (en) 1996-10-10
IL117369A0 (en) 1996-07-23
CN1149941A (zh) 1997-05-14
FI964824A0 (fi) 1996-12-02
KR100210633B1 (ko) 1999-07-15
AU5356696A (en) 1996-10-23
IT1284306B1 (it) 1998-05-18
FR2732535A1 (fr) 1996-10-04
GB9624183D0 (en) 1997-01-08
JPH10501674A (ja) 1998-02-10
MX9606016A (es) 1997-12-31
SE9604433L (sv) 1996-12-02
AU695320B2 (en) 1998-08-13
SE9604433D0 (sv) 1996-12-02
CA2191098C (en) 2000-05-02
KR970703644A (ko) 1997-07-03
FR2732535B1 (fr) 2002-11-29
CN1064794C (zh) 2001-04-18
PL180753B1 (pl) 2001-04-30
PL317897A1 (en) 1997-04-28
FI964824A (fi) 1996-12-02

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection