(57) ABSTRACT A method of controlling uplink synchronization state at a user equipment in
a mobile communication system is disclosed. The method of controlling an uplink …

(57) ABSTRACT A method of establishing a channel in a Wireless communi cation system is
disclosed. The method of establishing a dedicated channel of a user equipment in a …

A method of allocating radio resources in a wireless communication system is disclosed. In
one aspect of the present invention, in a wireless communication system, a user equipment …

PCT No.: PCT/US2008/007811 A method and apparatus are described including
determining S371 (c)(1) if a communications medium is idle; determining a time interval for a …

Disclosed is a radio (Wireless) communication system pro viding a radio communication
service and a terminal; and more particularly; to a method for exchanging data blocks by a …

(57) ABSTRACT A wireless communication system performs high-quality communication
using Multicast communication where re transmission processing is performed. The wireless …

A signal and apparatus for receiving the signal are described wherein the signal includes a
duration field, a multicast receiver address field, a transmitter address field, a block …

Disclosed is a radio (wireless) communication system providing a radio communication
service and the terminal, and more particularly, to a method for re-attempting a rapid random …

A communication method for performing communication between a specific user equipment
and a network to count the number of user equipments, which desire to receive a specific …

US PATENT DOCUMENTS 4,760,572 A 7, 1988 Tomikawa 5,592.483. A 1/1997 Hieda et al.
5,901,362 A 5/1999 Cheung et al. 6,411,290 B1 6/2002 Sasaki 7,349,349 B2 3/2008 …