Method for controlling low-power state in mobile handset

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United States of America Patent

PATENT NO 8868138
SERIAL NO

11860595

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Abstract

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Provided is a method for controlling a low-power state in a mobile handset. The method includes shifting from an active state to a low-power idle state by blocking power of modules for a mobile communication function and decreasing a frequency of a control clock when an inactive request of the mobile communication function is received; shifting from the low-power idle state to a low-power access state by increasing the frequency of the control clock when an additional service request is received; shifting from the low-power access state to the low-power idle state if an additional service request is not received any more; shifting from the low-power idle state to a suspension state by suspending the control clock when request is not received for predetermined time; and shifting from the suspension state to the low-power idle state when the input interrupt and the timer interrupt occur.

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Patent Owner(s)

  • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Sung-Rae Daejon, KR 15 158
Kim, Byung-Jo Daejon, KR 25 322
Lee, Hoo-Sung Daejon, KR 7 65
Park, Seong-Su Daejon, KR 31 301

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