Downlink Radio Resource Allocation Strategies in LTE Networks

LTE system presents a very challenging multiuser communication problem: Many User Equipments (UEs) in the same geographic area requiring high on-demand data rates in a finite bandwidth with low latency. Multiple access techniques allow UEs to share the available bandwidth by allotting each UE some fraction of the total system resources [1]. One of these multiple access techniques is Orthogonal Frequency Division Multiple Access (OFDMA) which is adopted by 3GPP release 8 due to its flexibility for accommodating many UEs with widely varying applications, data rates, and QoS requirements. Consequently, this would reveal the need for schemes of scheduling and resource allocation in LTE Networks.

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