BR9605951A - Conversor para cima/modulador conversor para cima/modulador de modos múltiplos aparelho para convenção para cima/modulação de sinais de comunicação de formatos de acesso múltiplo transmissor digital de acesso múltiplo - Google Patents

Conversor para cima/modulador conversor para cima/modulador de modos múltiplos aparelho para convenção para cima/modulação de sinais de comunicação de formatos de acesso múltiplo transmissor digital de acesso múltiplo

Info

Publication number
BR9605951A
BR9605951A BR9605951A BR9605951A BR9605951A BR 9605951 A BR9605951 A BR 9605951A BR 9605951 A BR9605951 A BR 9605951A BR 9605951 A BR9605951 A BR 9605951A BR 9605951 A BR9605951 A BR 9605951A
Authority
BR
Brazil
Prior art keywords
converter
modulator
modulation
communication signals
access
Prior art date
Application number
BR9605951A
Other languages
English (en)
Portuguese (pt)
Inventor
Alan Patrick Rottinghaus
Morris Daniel Lurey
Yuda Yehuda Luz
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 BR9605951A publication Critical patent/BR9605951A/pt

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)
  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
  • Communication Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
BR9605951A 1995-04-03 1996-02-29 Conversor para cima/modulador conversor para cima/modulador de modos múltiplos aparelho para convenção para cima/modulação de sinais de comunicação de formatos de acesso múltiplo transmissor digital de acesso múltiplo BR9605951A (pt)

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
BR9605951A true BR9605951A (pt) 1997-08-19

Family

ID=23645488

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9605951A BR9605951A (pt) 1995-04-03 1996-02-29 Conversor para cima/modulador conversor para cima/modulador de modos múltiplos aparelho para convenção para cima/modulação de sinais de comunicação de formatos de acesso múltiplo transmissor digital de acesso múltiplo

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) FI964824A0 (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

Family Cites Families (10)

* 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
FR2541533B1 (fr) * 1983-02-21 1987-10-30 Nippon Telegraph & Telephone Oscillateur variable en phase et en frequence
EP0216803B1 (en) * 1985-04-04 1993-03-31 Motorola, Inc. Digital zero-if selectivity section
SE463390B (sv) * 1989-03-13 1990-11-12 Ericsson Telefon Ab L M Vaagformsgenerator
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

Also Published As

Publication number Publication date
GB9624183D0 (en) 1997-01-08
SE9604433D0 (sv) 1996-12-02
ITRM960188A1 (it) 1997-09-25
IT1284306B1 (it) 1998-05-18
PL180753B1 (pl) 2001-04-30
CA2191098C (en) 2000-05-02
GB2304262A (en) 1997-03-12
FR2732535A1 (fr) 1996-10-04
MX9606016A (es) 1997-12-31
TW287335B (es) 1996-10-01
AU695320B2 (en) 1998-08-13
DE19680328T1 (de) 1997-07-31
CN1149941A (zh) 1997-05-14
KR100210633B1 (ko) 1999-07-15
IL117369A0 (en) 1996-07-23
SE519826C2 (sv) 2003-04-15
KR970703644A (ko) 1997-07-03
PL317897A1 (en) 1997-04-28
FR2732535B1 (fr) 2002-11-29
CA2191098A1 (en) 1996-10-10
FI964824A (fi) 1996-12-02
AU5356696A (en) 1996-10-23
ITRM960188A0 (es) 1996-03-25
WO1996031942A1 (en) 1996-10-10
CN1064794C (zh) 2001-04-18
SE9604433L (sv) 1996-12-02
FI964824A0 (fi) 1996-12-02
JPH10501674A (ja) 1998-02-10

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]