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4G cellular systems and the IMT Advanced candidates will provide broadband wireless access with QoS. Especially in multihop configurations of these systems the base station controls resources centrally while relays can take over a part of the responsibility on the second hop. To make this work on layer two, scheduling is the most important task. However, many dimensions of the problem lead to much...
This paper proposes a channel-adapted and buffer-aware scheduling algorithm in LTE wireless communication system. The scheme allocates system resource jointly PHY-MAC layer according to CQI feed back with the uplink, considers UE buffer status to avoid buffer overflow, and guarantees certain fairness among users. Comparing with traditional scheduling algorithms such as RR, PO and PF, the simulation...
This paper proposes a time-frequency scheduling algorithm to maximize the satisfaction of users served by an orthogonal frequency division multiple access (OFDMA) system. The satisfaction oriented resource allocation (SORA) algorithm takes into account in its formulation the channel quality, quality of service (QoS) requirements and effect of past allocations, so as to select, in an intelligent way,...
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