ABSTRACT

It is well known that the performance of cellular systems is limited due to the presence of intercell interference. e intercell interference problem naturally results in a lowering of the data rates achievable for users at the edges of the cell, especially in an overlaid co-channel deployment between the macro evolved Node-Bs (MeNBs) and low-power nodes. Transmissions to users with low signal-to-interference plus noise ratio (SINR) require information redundancy and hence a low code rate to achieve the desired decoding quality, resulting in a corresponding reduction in the data rate. In a live Long Term Evolution (LTE) network, intercell interference coordination (ICIC) is implemented to improve interference limitations found in cellular systems deployed with universal reuse and also improves user equipment (UE) throughput at the cell edge. Mitigating interference could therefore include interference avoidance, interference suppression, and intercell interference coordination.