BR9510374A - Receptor e transmissor digital - Google Patents

Receptor e transmissor digital

Info

Publication number
BR9510374A
BR9510374A BR9510374A BR9510374A BR9510374A BR 9510374 A BR9510374 A BR 9510374A BR 9510374 A BR9510374 A BR 9510374A BR 9510374 A BR9510374 A BR 9510374A BR 9510374 A BR9510374 A BR 9510374A
Authority
BR
Brazil
Prior art keywords
receiver
digital transmitter
transmitter
digital
Prior art date
Application number
BR9510374A
Other languages
English (en)
Inventor
Alan P Rottinghaus
Daniel Morris Lurey
Sheila Rarie Rader
Paul Fielding Smith
John M Smith
Danny Thomas Pincley
Kevin Michael Laird
Tony Kobrinetz
Robert C Elder
Donald E Bailey
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
Priority claimed from US08/366,283 external-priority patent/US5579341A/en
Priority claimed from US08/366,347 external-priority patent/US5668836A/en
Priority claimed from US08/389,474 external-priority patent/US5602874A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of BR9510374A publication Critical patent/BR9510374A/pt

Links

Classifications

    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/1205—Multiplexed conversion systems
    • H03M1/121—Interleaved, i.e. using multiple converters or converter parts for one channel
    • 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
    • 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
    • H04B1/001—Channel filtering, i.e. selecting a frequency channel within the SDR system
    • 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
    • H04B1/0032—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 with analogue quadrature frequency conversion to and from the baseband
    • 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
    • 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
    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/14—Channel dividing arrangements, i.e. in which a single bit stream is divided between several baseband channels and reassembled at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Transceivers (AREA)
  • Radio Transmission System (AREA)
  • Analogue/Digital Conversion (AREA)
BR9510374A 1994-12-29 1995-12-28 Receptor e transmissor digital BR9510374A (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US36620594A 1994-12-29 1994-12-29
US08/366,283 US5579341A (en) 1994-12-29 1994-12-29 Multi-channel digital transceiver and method
US08/366,347 US5668836A (en) 1994-12-29 1994-12-29 Split frequency band signal digitizer and method
US08/389,474 US5602874A (en) 1994-12-29 1995-02-14 Method and apparatus for reducing quantization noise
US41538795A 1995-04-03 1995-04-03
US55217795A 1995-11-02 1995-11-02
PCT/US1995/017014 WO1996021305A1 (en) 1994-12-29 1995-12-28 Multiple access digital transmitter and receiver

Publications (1)

Publication Number Publication Date
BR9510374A true BR9510374A (pt) 1998-06-02

Family

ID=27559854

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9510374A BR9510374A (pt) 1994-12-29 1995-12-28 Receptor e transmissor digital

Country Status (11)

Country Link
EP (1) EP0800737B1 (pt)
JP (1) JPH10512114A (pt)
CN (1) CN1154313C (pt)
AU (1) AU686046B2 (pt)
BR (1) BR9510374A (pt)
CA (1) CA2206311C (pt)
DE (1) DE19581876T1 (pt)
FI (1) FI115431B (pt)
GB (1) GB2311916B (pt)
SE (1) SE9702156L (pt)
WO (1) WO1996021305A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788904A1 (fr) 1999-01-27 2000-07-28 France Telecom Procede de traitement de signal pour radio logicielle et architecture de reception radio correspondante
KR100432987B1 (ko) 1999-05-10 2004-05-24 인피니언 테크놀로지스 아게 통신 단말기용 수신 회로 및 수신 회로에서의 신호 처리방법
JP2001044910A (ja) * 1999-07-30 2001-02-16 Nec Corp 装置内高速信号の伝送方式
DE19939588A1 (de) * 1999-08-20 2001-03-01 Infineon Technologies Ag Vorrichtung und Verfahren zum Senden eines quadraturamplitudenmodulierten Sendesignals
FR2803972B1 (fr) * 2000-01-17 2002-10-25 Sagem Reseau de radiocommunication apte a communiquer en direct avec un terminal fixe
EP1202514A1 (en) * 2000-10-26 2002-05-02 Alcatel Multicarrier GSM receiver
GB0103903D0 (en) * 2001-02-16 2001-04-04 Radioscape Ltd An open digital interface between sdr baseband processors and rf
US7012556B2 (en) 2001-10-08 2006-03-14 Qinetiq Limited Signal processing system and method
DE10201284C2 (de) * 2002-01-15 2003-11-20 Infineon Technologies Ag Frequenzkonverter zur Umsetzung eines digitalen Basisbandsignals in ein reeles Bandpasssignal
US20060227898A1 (en) * 2003-07-10 2006-10-12 Gibson Timothy P Radio receiver
JP4936894B2 (ja) * 2004-08-27 2012-05-23 パナソニック株式会社 オーディオデコーダ、方法及びプログラム
JP4735312B2 (ja) * 2006-02-14 2011-07-27 パナソニック株式会社 受信装置とこれを用いた電子機器
AU2007329164B2 (en) * 2006-12-05 2012-02-23 Commonwealth Scientific And Industrial Research Organisation Wireless frequency-domain multi-channel communications
KR20100042817A (ko) * 2008-10-17 2010-04-27 삼성전자주식회사 다단계 채널 필터를 가지는 무선 통신 시스템의 송수신 장치
EP3522467B1 (en) * 2010-10-19 2024-07-03 CommScope Technologies LLC Systems and methods for transporting digital rf signals
CN103580703B (zh) 2012-07-30 2017-04-12 华为技术有限公司 发射电路、收发机、通信系统和发射数据的方法
GB2580294A (en) 2018-11-09 2020-07-22 Stratospheric Platforms Ltd Communication network and method of wireless communication
GB2580296A (en) * 2018-11-09 2020-07-22 Stratospheric Platforms Ltd Communication network and method of making a connection
CN112910475B (zh) * 2021-05-10 2021-07-20 成都瀚德科技有限公司 应对复杂信号监测的数字接收机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783385A (en) * 1972-11-28 1974-01-01 Itt Digital diversity combiner
US4616364A (en) * 1984-06-18 1986-10-07 Itt Corporation Digital hopped frequency, time diversity system
US5220583A (en) * 1988-10-03 1993-06-15 Motorola, Inc. Digital fm demodulator with a reduced sampling rate
US5274836A (en) * 1989-08-08 1993-12-28 Gde Systems, Inc. Multiple encoded carrier data link
GB2259430B (en) * 1991-09-07 1996-05-01 Motorola Ltd Radio receiver and transmitter providing diversity
AU5354294A (en) * 1992-10-09 1994-05-09 E-Systems Incorporated Adaptive co-channel interference reduction system for cellular telephone central base stations
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
EP0800737A4 (en) 2002-07-24
SE9702156L (sv) 1997-08-29
EP0800737B1 (en) 2004-02-18
FI115431B (fi) 2005-04-29
CN1154313C (zh) 2004-06-16
CN1172566A (zh) 1998-02-04
JPH10512114A (ja) 1998-11-17
GB2311916B (en) 2000-01-19
AU4610696A (en) 1996-07-24
DE19581876T1 (de) 1997-11-27
FI972748A0 (fi) 1997-06-25
GB2311916A (en) 1997-10-08
GB9711998D0 (en) 1997-08-06
SE9702156D0 (sv) 1997-06-06
AU686046B2 (en) 1998-01-29
EP0800737A1 (en) 1997-10-15
FI972748A (fi) 1997-06-25
CA2206311A1 (en) 1996-07-11
CA2206311C (en) 2003-11-11
WO1996021305A1 (en) 1996-07-11

Similar Documents

Publication Publication Date Title
BR9610029A (pt) Receptor e transmissor
FI945235A (fi) Monikanavainen digitaalinen lähetin ja vastaanotin
DE69734490D1 (de) Digitalrundfunkempfänger
DE69718695T2 (de) Digitalrundfunkempfänger
DE69720722D1 (de) Leistungseffizienter empfänger
DE69704549D1 (de) Aufnahmevorrichtung
DE69736990D1 (de) Digitales Übertragungssystem
EP0963073A4 (en) TRANSMITTER AND RECEIVER
IL129655A0 (en) Digital receiver
BR9510374A (pt) Receptor e transmissor digital
DE69128879D1 (de) Übertragungssystem und empfänger dafür
BR9800462A (pt) Receptor com seletividade de canal analógico e digital
NO970095D0 (no) Direkteomformende mottaker
DE69730418D1 (de) Digitaler empfänger
DE69630408D1 (de) Digitaler Rundfunkempfänger und Übertragungsmethode
DE69407794T2 (de) Akoustische sende- und empfangseinheit
DE69511195D1 (de) Digitaler Fernsehempfänger
DE59712778D1 (de) Lokales Netzwerk mit Sende- und Empfangsvorrichtung
BR9502086A (pt) Receptor de rádio
DE69528934D1 (de) FM-Empfänger
DE69533374D1 (de) Digitaler Fernsehempfänger
BR9501194A (pt) Receptor de televisão
DE69534820D1 (de) Sender
DE69735982D1 (de) Datenempfänger
BR9702107A (pt) Rádio receptor

Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25D Requested change of name of applicant approved

Owner name: MOTOROLA SOLUTIONS, INC. (US)

B25A Requested transfer of rights approved

Owner name: MOTOROLA MOBILITY, INC. (US)

B25G Requested change of headquarter approved

Owner name: MOTOROLA MOBILITY, INC. (US)

B25E Requested change of name of applicant rejected

Owner name: MOTOROLA MOBILITY, INC. (US)

Free format text: INDEFERIDA A ALTERACAO DE NOME SOLICITADA ATRAVES DA PETICAO NO 020130025895-RJ, DE 28/03/2013, UMA VEZ QUE NAO FOI PAGA A RESPECTIVA TAXA DE RETRIBUICAO.

B25D Requested change of name of applicant approved

Owner name: MOTOROLA MOBILITY, LLC (US)

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 28/12/2015