Radio Resource Management for eICIC, CoMP, Relaying and Back-Hauls Techniques in LTE-Advanced Networks, Concepts and a Literature Survey
Najem N Sirhan, Manel Martinez-Ramon

TL;DR
This paper surveys radio resource management techniques in LTE-Advanced, including eICIC, CoMP, relaying, and back-hauls, highlighting their concepts, management approaches, and effectiveness in mitigating interference and improving coverage.
Contribution
It provides a comprehensive literature survey on radio resource management strategies for LTE-Advanced techniques, summarizing existing approaches and their impact.
Findings
Enhanced interference coordination improves cell-edge throughput.
CoMP increases both uplink and downlink performance.
Relay nodes extend network coverage in challenging conditions.
Abstract
Frequency reuse in cells is one of the strategies that LTE uses to maximize the spectrum efficiency. However, it leads to an interference among the cells, especially at the cell edges where the probability for a cell-edge user to be scheduled on a resource block that is being transmitted by the neighbouring cell is high; consequently, the interference is high. In-order to mitigate Inter-Cell Interference, Inter-Cell Interference Coordination was proposed by the Third Generation Partnership Project 3GPP standards for the LTE network, and later on, the enhanced Inter-Cell Interference Coordination was proposed for the LTE-Advanced Heterogeneous Network deployments. Another technique that was proposed by the 3GPP for the LTE-Advanced network that can reduce the Inter-Cell Interference and improve the cell-average and cell-edge user throughput is the Coordinated Multi-Point transmission and…
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