CA2053294A1 - Limiteur de donnees couple directement a accord automatique pour recepteur de radiomessagerie a economiseur d'energie - Google Patents

Limiteur de donnees couple directement a accord automatique pour recepteur de radiomessagerie a economiseur d'energie

Info

Publication number
CA2053294A1
CA2053294A1 CA2053294A CA2053294A CA2053294A1 CA 2053294 A1 CA2053294 A1 CA 2053294A1 CA 2053294 A CA2053294 A CA 2053294A CA 2053294 A CA2053294 A CA 2053294A CA 2053294 A1 CA2053294 A1 CA 2053294A1
Authority
CA
Canada
Prior art keywords
peak
self
valley
data limiter
paging receiver
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.)
Granted
Application number
CA2053294A
Other languages
English (en)
Other versions
CA2053294C (fr
Inventor
James Gregory Mittel
Walter Lee Davis
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 CA2053294A1 publication Critical patent/CA2053294A1/fr
Application granted granted Critical
Publication of CA2053294C publication Critical patent/CA2053294C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
    • H04W52/0283—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks with sequential power up or power down of successive circuit blocks, e.g. switching on the local oscillator before RF or mixer stages
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
CA002053294A 1989-06-29 1990-05-29 Limiteur de donnees couple directement a accord automatique pour recepteur de radiomessagerie a economiseur d'energie Expired - Fee Related CA2053294C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US373,299 1989-06-20
US07/373,299 US5025251A (en) 1989-06-29 1989-06-29 Self-tuning direct coupled data limiter of a battery saver type paging receiver

Publications (2)

Publication Number Publication Date
CA2053294A1 true CA2053294A1 (fr) 1990-12-30
CA2053294C CA2053294C (fr) 1995-01-10

Family

ID=23471800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002053294A Expired - Fee Related CA2053294C (fr) 1989-06-29 1990-05-29 Limiteur de donnees couple directement a accord automatique pour recepteur de radiomessagerie a economiseur d'energie

Country Status (6)

Country Link
US (1) US5025251A (fr)
EP (1) EP0478706A4 (fr)
KR (1) KR950013160B1 (fr)
CN (1) CN1017298B (fr)
CA (1) CA2053294C (fr)
WO (1) WO1990016133A1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE36973E (en) * 1989-10-12 2000-11-28 Seiko Epson Corporation Digitally-corrected temperature-compensated crystal oscillator having a correction-suspend control for communications service
US5159340A (en) * 1990-08-31 1992-10-27 Hewlett-Packard Company Signal digitizer for bar code readers
KR940001862B1 (ko) * 1991-03-21 1994-03-09 삼성전자 주식회사 페이징 수신기의 바이어스 안정화 회로
US5311554A (en) * 1992-07-02 1994-05-10 Motorola, Inc. Synchronized offset extraction in a data receiver
US5878091A (en) * 1992-11-27 1999-03-02 Motorola, Inc. Apparatus and method for pattern adaptive offset restoration
US5303416A (en) * 1993-01-21 1994-04-12 Motorola, Inc. Method and apparatus for adjusting peak and valley acquisition rates of a signal received by a radio communication device
US5394441A (en) * 1993-02-05 1995-02-28 Motorola, Inc. Method and apparatus for digitally tracking highs and lows of a signal received by a radio communication device
US5425056A (en) * 1993-03-23 1995-06-13 Motorola, Inc. Method and apparatus for generating threshold levels in a radio communication device for receiving four-level signals
US5475342A (en) * 1993-04-19 1995-12-12 Nippon Telegraph And Telephone Corporation Amplifier for stably maintaining a constant output
JP2625347B2 (ja) * 1993-04-20 1997-07-02 日本電気株式会社 ディジタル受信器の自動オフセット制御回路
US5568513A (en) * 1993-05-11 1996-10-22 Ericsson Inc. Standby power savings with cumulative parity check in mobile phones
JP3060837B2 (ja) * 1993-06-10 2000-07-10 モトローラ・インコーポレイテッド 無線通信装置におけるバッテリ節約方法および装置
US5406613A (en) * 1993-06-29 1995-04-11 Pacific Communication Sciences, Inc. Method and apparatus for reducing power consumption in cellular telephone by adaptively determining the reliability of the reception of a received message block
US5790946A (en) * 1993-07-15 1998-08-04 Rotzoll; Robert R. Wake up device for a communications system
JP3108567B2 (ja) * 1993-08-27 2000-11-13 株式会社エヌ・ティ・ティ・ドコモ 移動無線方式および移動受信機
US5512902A (en) * 1994-04-18 1996-04-30 Northrop Grumman Corporation Stock locator system using GPS translator
US5442313A (en) * 1994-05-27 1995-08-15 The Torrington Company Resolution multiplying circuit
WO1996003807A1 (fr) * 1994-07-25 1996-02-08 Microunity Systems Engineering, Inc. Topologie de circuit numerique a retard d'energie ameliore
EP0695064A1 (fr) * 1994-07-26 1996-01-31 Advanced Micro Devices, Inc. Méthode et appareil de restitution de données
US5551078A (en) * 1994-07-29 1996-08-27 Motorola, Inc. Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode
US5678227A (en) * 1994-07-29 1997-10-14 Motorola, Inc. Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode
FR2723276B1 (fr) * 1994-08-01 1996-10-04 Lewiner Jacques Procede et dispositif de decodage d'un signal electrique multivalent et ensemble de reception comportant un tel disposiif de decodage
US5862491A (en) * 1995-02-13 1999-01-19 Intel Corporation Use of control channel information to enhance data throughput of an integrated cellular communication system
US6073030A (en) * 1995-02-13 2000-06-06 Intel Corporation Use of RSSI indication for improved data transmission over amps network
US5566213A (en) * 1995-03-09 1996-10-15 Motorola, Inc. Selective call receiving device with improved symbol decoding and automatic frequency control
US5564091A (en) * 1995-03-29 1996-10-08 Motorola, Inc. Method and apparatus for operating an automatic frequency control in a radio
US5555452A (en) * 1995-05-12 1996-09-10 Callaway, Jr.; Edgar H. Peak and valley signal measuring circuit using single digital-to-analog converter
US5627860A (en) * 1995-06-01 1997-05-06 Motorola, Inc. Peak and valley detector for a selective call receiving device
US5793174A (en) * 1996-09-06 1998-08-11 Hunter Douglas Inc. Electrically powered window covering assembly
JPH10173456A (ja) * 1996-12-11 1998-06-26 Fujitsu Ltd 信号増幅回路
SG65654A1 (en) * 1997-06-02 1999-06-22 Motorola Inc Circuit for tracking rapid changes in mid-point voltage of a data signal
US6097933A (en) * 1997-12-04 2000-08-01 Glenayre Electronics, Inc. Method and apparatus for conserving power in a pager
US6223047B1 (en) 1998-08-26 2001-04-24 Telefonaktiebolaget Lm Ericsson (Publ) Extended sleep mode method and apparatus
FR2806855B1 (fr) * 2000-03-21 2002-06-21 St Microelectronics Sa Demodulateur d'un signal alternatif module en amplitude
TWI370630B (en) * 2008-07-31 2012-08-11 Novatek Microelectronics Corp Wire signal receive apparatus
US8774710B2 (en) 2010-07-01 2014-07-08 Intelleflex Corporation Dynamic signal detection threshold

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631737A (en) * 1984-12-06 1986-12-23 Motorola, Inc. Self biasing direct coupled data limiter
US4575683A (en) * 1985-04-10 1986-03-11 Harris Corporation Apparatus and method for removing an offset signal
US4896104A (en) * 1989-02-15 1990-01-23 Hitachi Micro Systems, Inc. Digital peak and valley detector

Also Published As

Publication number Publication date
CN1017298B (zh) 1992-07-01
CN1048474A (zh) 1991-01-09
KR920702808A (ko) 1992-10-06
KR950013160B1 (ko) 1995-10-25
EP0478706A1 (fr) 1992-04-08
CA2053294C (fr) 1995-01-10
EP0478706A4 (en) 1993-03-17
WO1990016133A1 (fr) 1990-12-27
US5025251A (en) 1991-06-18

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 19970529