Radio communication system, radio communication apparatus, and ciphering method

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United States of America Patent

PATENT NO 8509437
APP PUB NO 20100278341A1
SERIAL NO

12734964

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The radio communication system of the present invention includes a radio access network (10) and a radio communication apparatus (60). The radio communication apparatus (60) includes a control unit (61) that, when reconfiguring a radio access bearer between a DCH and an uplink line E-DCH and downlink line HSDPA, sets a start value that is to be used after the reconfiguration in ciphering the radio access bearer, and a transceiver (62) that transmits to the radio access network (10) the start value that was set in the control unit (61) and that is to be used after the reconfiguration.

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First Claim

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Patent Owner(s)

  • NEC CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kubota, Keiichi Tokyo, JP 209 1937

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