Lte-Advanced Comp System-Level Simulation And Implementation

LTE is the Long Term Evolution of the3G from3GPP, commonly known as3.9G. LTE renovate the key technologies of the physical layer with OFDM and MIMO, which enhance the air interface of3G. LTE-Advanced is the further evolution of LTE, called4G. In order to eliminate the interference of neighbor cell in LTE system, and improve the link quality and increase the throughput and spectral efficiency of cell edge user, LTE-Advanced system introduces a technology called CoMP (Coordinated Multi-Point Transmission and Reception) to solve the problem. CoMP could avoid or eliminate the interference by means of CS/CB (Coordinated Scheduling/Coordinated Beamforming), so that it may increase the throughput of edge user and more improve the whole system capacity.The CS/CB of CoMP is my mainly focus. The thesis is elaborated as followings. Firstly, I introduce the LTE-Advanced system include standard evolution, related physical layer technologies, key technologies, etc. Secondly I laid special stress on the necessity, progress, and implementation of CoMP CSCB researching. Thirdly, I designing and realizing the CSCB module based LTE-Advanced system-level simulation platform. In the process, based on the core algorithm SLNR, I design the scheme of how the following algorithms apply to CSCB, such as coordinated set choice algorithm, user resource scheduling algorithm and precoding algorithm, etc, and then I present the specific flow chart and build by C. Finally, under the assumptions, I simulate kinds of scenarios and cases, and then give out the simulation data and analysis. The result verifys the validity of my scheme, because the throughput of edge user and the capcity of system have been improved indeedly.