IN2014CN04099A - - Google Patents

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Publication number
IN2014CN04099A
IN2014CN04099A IN4099CHN2014A IN2014CN04099A IN 2014CN04099 A IN2014CN04099 A IN 2014CN04099A IN 4099CHN2014 A IN4099CHN2014 A IN 4099CHN2014A IN 2014CN04099 A IN2014CN04099 A IN 2014CN04099A
Authority
IN
India
Prior art keywords
nfc
initiator device
connection
target device
enable
Prior art date
Application number
Inventor
Anssi Kaleva Haverinen
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014CN04099A publication Critical patent/IN2014CN04099A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

A method and apparatus for reducing power consumption associated with establishing a connection in a near field communication system is disclosed. According to some embodiments when requesting an active mode NFC connection the initiator device can selectively extend transmission of its NFC carrier signal by an extended period of time after transmitting a polling command to the target device. The extended period of time allows the target device additional time to stabilize its clock signal and transmit its own NFC carrier signal back to the initiator device. As a result the initiator device may wait to enable its NFC clock generator until after receiving a polling command that requests the active mode NFC session. In this manner when the initiator device requests a passive mode NFC connection the target device may not enable its NFC clock generator thereby reducing power consumption.
IN4099CHN2014 2011-11-28 2012-10-31 IN2014CN04099A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161564238P 2011-11-28 2011-11-28
US13/664,342 US8942628B2 (en) 2011-11-28 2012-10-30 Reducing power consumption for connection establishment in near field communication systems
PCT/US2012/062747 WO2013081762A1 (en) 2011-11-28 2012-10-31 Reducing power consumption for connection establishment in near field communication systems

Publications (1)

Publication Number Publication Date
IN2014CN04099A true IN2014CN04099A (en) 2015-07-10

Family

ID=48467327

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4099CHN2014 IN2014CN04099A (en) 2011-11-28 2012-10-31

Country Status (7)

Country Link
US (1) US8942628B2 (en)
EP (2) EP3588792A1 (en)
JP (1) JP5792397B2 (en)
KR (1) KR101538040B1 (en)
CN (1) CN103959667B (en)
IN (1) IN2014CN04099A (en)
WO (1) WO2013081762A1 (en)

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Also Published As

Publication number Publication date
KR20140106611A (en) 2014-09-03
EP2786505A1 (en) 2014-10-08
CN103959667A (en) 2014-07-30
US8942628B2 (en) 2015-01-27
EP3588792A1 (en) 2020-01-01
US20130137371A1 (en) 2013-05-30
CN103959667B (en) 2016-01-06
JP2015503282A (en) 2015-01-29
EP2786505B1 (en) 2019-09-11
KR101538040B1 (en) 2015-07-20
WO2013081762A1 (en) 2013-06-06
JP5792397B2 (en) 2015-10-14

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