Apparatus and method for controlling user equipment state changes

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United States of America Patent

PATENT NO 8428025
APP PUB NO 20110299485A1
SERIAL NO

13117423

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to an apparatus and method for triggering change of a Radio Resource Control (RRC) state for a user equipment operating in a cellular network. According to the method a Radio Link Control (RLC) buffer threshold associated with a Radio Link Control buffer is set to an initial value upon the user equipment entering a CELL_FACH RRC state. The RLC buffer threshold is decreased as a function of time. A RRC state change for the user equipment between the CELL_FACH RRC state and a CELL_DCH RRC state is triggered according to a predetermined rule based on a current size of the RLC buffer and the RLC buffer threshold. The method facilitates achieving a desired RRC state transition behavior for some types of users.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christoffersson, Jan Luleå, SE 191 1385
Ericson, Mårten Luleå, SE 87 2069
Fan, Rui Beijing, CN 274 2693
Hannu, Hans Luleå, SE 71 812

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