Apparatus and method for resource allocation for multicast...

Details Apparatus and method for resource allocation for multicast... Apparatus and method for resource allocation for multicast...

2007-11-01

2011-10-25

Phillips, Hassan (Department: 2467)

Multiplex communications

Communication over free space

Message addressed to multiple destinations

C370S329000, C370S432000

Reexamination Certificate

active

08045495

ABSTRACT:
Provided is an apparatus and method for resource allocation for multicast data in a broadband wireless access system. In the method, multicast packets are scheduled. Thereafter, a resource allocation message for the scheduled multicast packets divided into a second multicast resource allocation message including information of a user group using a multicast ID and a first multicast resource allocation message including information transmitted in common to users of the user group, and the corresponding message including changed information is transmitted for a change of information. Therefore, it is possible to reduce a waste of resource that is due to the duplicate transmission of some fields of resource allocation information about multicast data.

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