Communication system, user device thereof and...

Details Communication system, user device thereof and... Communication system, user device thereof and...

2007-05-17

2010-10-19

Kincaid, Lester (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

Reexamination Certificate

active

07817595

ABSTRACT:
A communication system, user device thereof, and a synchronization method thereof are provided. The communication system includes a user device and a wireless network. A ciphering configuration information is transmitted to a user device. The user device and wireless network re-establishing the radio link control (RLC) entity of logical link. The user device changes to the new ciphering configuration immediately following the re-establishment of RLC entity according to the received ciphering configuration information and the wireless network changes to the new ciphering configuration.

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“Universal Mobile Telecommunications System (UMTS); Radio Resource Control (RRC) protocol specification (3GPP TS 25.331 version 3.21.0 Release 1999); ETSI TS 125 331” ETSI Standards, LIS, Sophia Antipolis Cedex, France, vol. 3-R2, No. V3.21.0, Dec. 1, 2004, XP014027667 ISSN: 000-0001, Paragraphs [8.1.12] & [8.6.3.4].

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