Performance comparison of Dual-Cell HSDPA and Long Term Evolution in macro cellular network

摘要

The target of this paper is to analyse and compare the performance of Long Term Evolution (LTE) along with Adaptive MIMO switching (AMS) and Dual Cell High Speed Downlink Packet Access (DC-HSDPA) system with and without efficient Power Control (PC) in macro cellular network. Simulations were done with proper network modelling, and serving multiple users (10 Users) per Transmission Time Interval (TTI) in MATLAB. The impact of different Intersite Distance (ISD) on cell level average throughput, and user's probability of no data transfer with LTE and DC-HSDPA was also investigated in this paper. Results show that LTE with 10MHz provides 23.57Mbps of average cell throughput with 5.56% of user's probability of no data transfer, while DC-HSDPA with 15 codes provides 9.54Mbps and 11.86Mbps of average cell throughput with 13.17% and 0.57% probability of no data transfer with and without PC respectively at small ISD of 500m. But at 4000m ISD, 12.75Mbps and 10.53Mbps of average cell throughput is supported by LTE with AMS and DC-HSDPA with PC respectively. Simulation results revealed that at small intersite distances LTE clearly outperforms in terms of throughput, but at large intersite distance DC-HSDPA along with sophisticated power control has close competition.