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The future mobile communication system can support not only voice but also multimedia applications such as data, image and video. It requires greater resources than the voice-oriented mobile system. We propose user and sub-channel priority based resource allocation for mobile multimedia services in the OFDMA systems. Our method is able to guarantee QoS continuity of realtime services and carry the maximum number of non-realtime subscriber. Simulation is focused on total throughput and blocking rate. The simulation results show that our proposed method provides a better performance than the conventional method.

A 20 nm all-around-gate (AAG) FET is demonstrated for unified-RAM by the use of an 8 nm Si-nanowire on a bulk-substrate. High performances of NVM and 1T-DRAM are presented.