CA2045519C - Dsp based radio with diminished power requirements - Google Patents

Dsp based radio with diminished power requirements

Info

Publication number
CA2045519C
CA2045519C CA002045519A CA2045519A CA2045519C CA 2045519 C CA2045519 C CA 2045519C CA 002045519 A CA002045519 A CA 002045519A CA 2045519 A CA2045519 A CA 2045519A CA 2045519 C CA2045519 C CA 2045519C
Authority
CA
Canada
Prior art keywords
signal
signal processing
processing means
power
digital signal
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.)
Expired - Fee Related
Application number
CA002045519A
Other languages
English (en)
French (fr)
Other versions
CA2045519A1 (en
Inventor
Arun Sobti
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
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 CA2045519A1 publication Critical patent/CA2045519A1/en
Application granted granted Critical
Publication of CA2045519C publication Critical patent/CA2045519C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • 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
    • 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
    • H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
    • H04W52/0293—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment having a sub-controller with a low clock frequency switching on and off a main controller with a high clock frequency
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Power Sources (AREA)
CA002045519A 1989-03-20 1990-03-13 Dsp based radio with diminished power requirements Expired - Fee Related CA2045519C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32560389A 1989-03-20 1989-03-20
US325,603 1989-03-20

Publications (2)

Publication Number Publication Date
CA2045519A1 CA2045519A1 (en) 1990-09-21
CA2045519C true CA2045519C (en) 1994-11-08

Family

ID=23268578

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002045519A Expired - Fee Related CA2045519C (en) 1989-03-20 1990-03-13 Dsp based radio with diminished power requirements

Country Status (5)

Country Link
EP (1) EP0463104A4 (ja)
JP (1) JPH04504340A (ja)
KR (1) KR950000050B1 (ja)
CA (1) CA2045519C (ja)
WO (1) WO1990011652A1 (ja)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE464437B (sv) * 1989-08-25 1991-04-22 Ericsson Telefon Ab L M Metod i en mogilradiomottagare foer att reducera mottagarens effektbehov
US5790946A (en) * 1993-07-15 1998-08-04 Rotzoll; Robert R. Wake up device for a communications system
FI97765C (fi) * 1993-11-26 1997-02-10 Nokia Mobile Phones Ltd Menetelmä sekä kytkentäjärjestely kutsuviestien käsittelemiseksi matkaviestimessä
CA2135856A1 (en) * 1993-12-10 1995-06-11 Steven Peter Allen Low power, addressable data communication device and method
US7092369B2 (en) 1995-11-17 2006-08-15 Symbol Technologies, Inc. Communications network with wireless gateways for mobile terminal access
JP2852245B2 (ja) * 1996-06-18 1999-01-27 静岡日本電気株式会社 無線選択呼出受信機
EP0939495B1 (en) * 1998-02-26 2004-04-14 Motorola Semiconducteurs S.A. Power saving system for an electronic portable device
JP3436924B2 (ja) * 1998-09-28 2003-08-18 株式会社ソニー・コンピュータエンタテインメント 送受信装置及び送受信方法、受信装置及び方法、並びに送信装置及び方法
US6278403B1 (en) 1999-09-17 2001-08-21 Sirf Technology, Inc. Autonomous hardwired tracking loop coprocessor for GPS and WAAS receiver
US6389291B1 (en) 2000-08-14 2002-05-14 Sirf Technology Multi-mode global positioning system for use with wireless networks
US6671620B1 (en) 2000-05-18 2003-12-30 Sirf Technology, Inc. Method and apparatus for determining global position using almanac information
US6427120B1 (en) 2000-08-14 2002-07-30 Sirf Technology, Inc. Information transfer in a multi-mode global positioning system used with wireless networks
US6462708B1 (en) 2001-04-05 2002-10-08 Sirf Technology, Inc. GPS-based positioning system for mobile GPS terminals
WO2002016960A1 (en) 2000-08-24 2002-02-28 Sirf Technology, Inc. Apparatus for reducing auto-correlation or cross-correlation in weak cdma signals
US7047023B1 (en) 2000-12-01 2006-05-16 Sirf Technology, Inc. GPS RF front end IC with frequency plan for improved integrability
US7747236B1 (en) 2000-12-11 2010-06-29 Sirf Technology, Inc. Method and apparatus for estimating local oscillator frequency for GPS receivers
US7113552B1 (en) 2000-12-21 2006-09-26 Sirf Technology, Inc. Phase sampling techniques using amplitude bits for digital receivers
US6680703B1 (en) 2001-02-16 2004-01-20 Sirf Technology, Inc. Method and apparatus for optimally tuning a circularly polarized patch antenna after installation
US6703971B2 (en) 2001-02-21 2004-03-09 Sirf Technologies, Inc. Mode determination for mobile GPS terminals
US7076256B1 (en) 2001-04-16 2006-07-11 Sirf Technology, Inc. Method and apparatus for transmitting position data using control channels in wireless networks
US7877104B2 (en) 2001-05-21 2011-01-25 Sirf Technology Inc. Method for synchronizing a radio network using end user radio terminals
US7925210B2 (en) 2001-05-21 2011-04-12 Sirf Technology, Inc. Synchronizing a radio network with end user radio terminals
US8013787B2 (en) 2003-09-02 2011-09-06 Sirf Technology Inc. Control and features for satellite positioning system receivers
US8532718B2 (en) 2005-10-06 2013-09-10 Broadcom Corporation Mobile communication device with low power signal detector
CN100525231C (zh) * 2006-09-06 2009-08-05 中国移动通信集团公司 节能信息家电网络及节能控制方法
US8442475B2 (en) * 2010-11-15 2013-05-14 Qualcomm Incorporated Power conservation in wireless access terminals using integrated proxy function

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753122A (en) * 1971-03-31 1973-08-14 K Shackleford Frequency responsive radio actuator for automatically connecting the receiver portion and the audio portion
US4419765A (en) * 1979-10-12 1983-12-06 Keith H. Wycoff Signal absence detector
JPS61240719A (ja) * 1985-04-18 1986-10-27 Nec Corp 受信機
GB2201866B (en) * 1987-03-04 1991-04-17 Michael Victor Rodrigues Improvements in or relating to cellular telephone apparatus and a cellular communications system

Also Published As

Publication number Publication date
JPH04504340A (ja) 1992-07-30
CA2045519A1 (en) 1990-09-21
WO1990011652A1 (en) 1990-10-04
KR920700497A (ko) 1992-02-19
EP0463104A4 (en) 1993-01-13
EP0463104A1 (en) 1992-01-02
KR950000050B1 (ko) 1995-01-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed