Patent ID: 8787297

Claim:
A user equipment for use in a mobile communication system, the user equipment comprising: a receiver; and a controller, wherein the receiver is configured to: receive control information including a first field and a second field via a control channel, the first field indicating one of N (N≧2) resource block group (RBG) sets and the second field including a bitmap, wherein each bit of the bitmap is used to indicate whether a corresponding resource block (RB) in the indicated one of the N RBG sets is allocated; wherein the controller is configured to interpret the first field and the second field for resource allocation in the control information; wherein the receiver is further configured to receive data using the control information; and wherein an RBG set n (0≦n<N) comprises every N th RBG starting from n th RBG, an RBG comprises one or more consecutive RBs, and an RB comprises a plurality of consecutive subcarriers.