CA2050892A1 - Receiver with variable predetection bandwidth based on expected data rate - Google Patents

Receiver with variable predetection bandwidth based on expected data rate

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)
French (fr)
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/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H04W8/245—Transfer of terminal data from a network towards a terminal
    • 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
    • H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
    • 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
    • H04W88/02—Terminal devices
    • H04W88/022—Selective 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 Receiver with variable predetection bandwidth based on expected data rate Abandoned CA2050892A1 (en)

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 (en) 1990-12-27

Family

ID=23462763

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002050892A Abandoned CA2050892A1 (en) 1989-06-26 1990-05-17 Receiver with variable predetection bandwidth based on expected data rate

Country Status (3)

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

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
CA2260974A1 (en) * 1996-07-15 1998-01-22 Oki Telecom Inc. Subsequent frame variable data rate indication method for various variable data rate systems
DE59812332D1 (de) * 1997-03-14 2005-01-05 Siemens Ag Verfahren zur informationsübermittlung an einen mobilen empfänger, wie einen pager, unter verwendung von rundfunksendern
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
WO2007021127A1 (en) * 2005-08-18 2007-02-22 Lg Innotek Co., Ltd Apparatus for receiving satellite broadcasting and method thereof
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
US4816820A (en) * 1986-10-21 1989-03-28 Motorola, Inc. Radio communication receiver with apparatus for altering bit rate of the receiver

Also Published As

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

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 19921117