Discontinuous reception method for mobile communication...

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers

Reexamination Certificate

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C455S520000, C455S517000, C455S416000

Reexamination Certificate

active

07463900

ABSTRACT:
A discontinuous reception method for a mobile communication terminal device and a mobile communication terminal device which, when a PTT (Push-to-Talk) system call is provided, make it possible to reduce the amount of electrical power consumed by the mobile communication terminal device and to start a PTT-system telephone call with a short wait time. The mobile communication terminal device performs discontinuous reception in a long discontinuous reception cycle in a standby state when the mobile communication terminal device is not a member of a PTT session (step S14) and performs discontinuous reception in a short discontinuous reception cycle in a standby state when the mobile communication terminal device is a member of the PTT session and the PTT call is in a dormant state (step S23).

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Keichi Tachikawa, “W-CDMA Mobile Communications Systems”; Maruzen Co., Ltd.; Jun. 25, 2001, pp. 222 and 223—and partial English translation thereof.
Keiji Tachikawa, “W-CDMA Mobile Communications Systems” Maruzen Co. , Ltd. Jun. 25, 2001, pp. 222 and 223.
European Office Action (Communication pursuant to Article 96(2) EPC) in counterpart European Patent Application Serial No. 05 102 153.3 - 2412, dated Jul. 26, 2006, 5 pages.

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