CA2050892A1 - Recepteur a largeur de bande de predetection variable selon le debit de donnees prevu - Google Patents

Recepteur a largeur de bande de predetection variable selon le debit de donnees prevu

Info

Publication number
CA2050892A1
CA2050892A1 CA002050892A CA2050892A CA2050892A1 CA 2050892 A1 CA2050892 A1 CA 2050892A1 CA 002050892 A CA002050892 A CA 002050892A CA 2050892 A CA2050892 A CA 2050892A CA 2050892 A1 CA2050892 A1 CA 2050892A1
Authority
CA
Canada
Prior art keywords
receiver
bandwidth
signal
filter
bit rate
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.)
Abandoned
Application number
CA002050892A
Other languages
English (en)
Inventor
Robert J. Schwendeman
William J. Kuznicki
David F. Willard
Michael J. Deluca
Leonard E. Nelson
Leon Jasinski
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
Individual
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 Individual filed Critical Individual
Publication of CA2050892A1 publication Critical patent/CA2050892A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/22Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24Transfer of terminal data
    • H04W8/245Transfer of terminal data from a network towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1638Special circuits to enhance selectivity of receivers not otherwise provided for
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/022Selective call receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002050892A 1989-06-26 1990-05-17 Recepteur a largeur de bande de predetection variable selon le debit de donnees prevu Abandoned CA2050892A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37116389A 1989-06-26 1989-06-26
US371,163 1989-06-26

Publications (1)

Publication Number Publication Date
CA2050892A1 true CA2050892A1 (fr) 1990-12-27

Family

ID=23462763

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002050892A Abandoned CA2050892A1 (fr) 1989-06-26 1990-05-17 Recepteur a largeur de bande de predetection variable selon le debit de donnees prevu

Country Status (3)

Country Link
CN (1) CN1049588A (fr)
CA (1) CA2050892A1 (fr)
WO (1) WO1991000655A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324603A1 (de) * 1993-07-22 1995-01-26 Becker Gmbh IF-Filteranorndung in einem Empfänger für FM-Empfangssignale
DE69534154T2 (de) * 1994-06-10 2005-09-22 Ntt Docomo, Inc. Empfänger
US6055268A (en) * 1996-05-09 2000-04-25 Texas Instruments Incorporated Multimode digital modem
WO1998002986A1 (fr) * 1996-07-15 1998-01-22 Oki Telecom Procede d'indication du debit de donnees variable de la trame suivante
EP0966806B1 (fr) * 1997-03-14 2004-12-01 Siemens Aktiengesellschaft Procede pour transmettre des informations a un recepteur mobile, tel qu'un teleavertisseur, au moyen d'emetteurs radio
JP3106999B2 (ja) * 1997-06-05 2000-11-06 日本電気株式会社 無線選択呼出受信装置
US6862322B1 (en) * 2000-05-19 2005-03-01 International Business Machines Corporation Switchable-bandwidth optical receiver
CN101116252B (zh) * 2005-08-18 2012-05-23 Lg伊诺特有限公司 用于接收卫星广播的装置及其方法
US9578469B2 (en) 2014-10-02 2017-02-21 Motorola Solutions, Inc. Method and system for direct mode communication within a talkgroup
CN105048966A (zh) * 2015-06-12 2015-11-11 中国电子科技集团公司第四十一研究所 一种千兆赫高速采样信号的多相数字下变频方法
CN112688701B (zh) * 2020-12-22 2022-05-31 北京奕斯伟计算技术有限公司 接收机电路以及接收机电路控制方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008373A (en) * 1975-10-03 1977-02-15 Motorola, Inc. Digital differential phase shift keyed modulator
JPS5961644U (ja) * 1982-10-15 1984-04-23 日本電気株式会社 選択呼出受信機
EP0327533B1 (fr) * 1986-10-21 1993-07-07 Motorola, Inc. Recepteur de radiocommunications avec appareil pour modifier le debit binaire du recepteur

Also Published As

Publication number Publication date
WO1991000655A1 (fr) 1991-01-10
CN1049588A (zh) 1991-02-27

Similar Documents

Publication Publication Date Title
US4642632A (en) Digital paging system having bit rate switching means and digital paging receiver therefor
AU659140B2 (en) Signal transmission system
AU599613B2 (en) Radio communication receiver with apparatus for altering bit rate of the receiver
US4229822A (en) Data detector for a data communication system
KR0156273B1 (ko) 배터리 절약 기능이 있는 2중 모드 수신기
US5740532A (en) Method of transmitting emergency messages in a RF communication system
CA2045467C (fr) Controleur de panneau d'affichage pour l'acces a un systeme de communication
ES2238864T3 (es) Metodo de comunicacion de informacion de celula/s adyacente/s.
CA2050892A1 (fr) Recepteur a largeur de bande de predetection variable selon le debit de donnees prevu
CA2003939C (fr) Commande d'emetteur a signalisation active
AU675578B2 (en) Communication system for communicating with a plurality of selective call receivers and method therefor
US5894499A (en) Direct conversion receiver having filter with cut-off frequency switching means
AU603770B2 (en) Radio transmission system
US5146216A (en) Multiple message signalling protocol for a selective call receiver
US5051993A (en) Mixed modulation level communication system
WO1995034962A1 (fr) Recepteur
JP3908545B2 (ja) 異無線方式間の通信装置
GB2076238A (en) Radio receiver
JPH0750883B2 (ja) ペ−ジヤ
CA2064820C (fr) Systeme a spectre restreint
JPS6085651A (ja) 無線受信機
Driessen Maximizing the throughput of a mobile radio data system
JP3246693B2 (ja) 可変容量型ディジタル無線端局装置
JP3805369B2 (ja) 二重チャンネル二重速度fm副搬送波無線呼出システム
JPS601931A (ja) Scpc通信用受信装置

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 19921117