LTE System Macro And Micro Cellular Ntework Interference Based On The Capacity Of Analysis And Simulation Platform

With the continuous development of wireless communication theory and engineering practice of technology and progress,the main trend of future wireless communication networks will be the coexistence of many kinds of heterogeneous networks,the use of available spectrum resources has posed a great challenge.Therefore,in the future LTE network construction,to develop the most reasonable construction scheme of the network has become the focus of attention of operators.In view of this,the cellular theory based LTE system coexistence interference theory,based on theoretical analysis,platform design,platform,platform for testing the clue,completion of simulation platform design and Implementation Based on the analysis of interference capacity.First,summarizes the domestic and foreign capacity analysis simulation platform research and summary of the existing problems,and puts forward the main contents of this paper,in reference to the research results at home and abroad on the basis,systematic overview of cellular system,summarizes the LTE system coexistence interference model,LTE system power control and distribution method is proposed in this paper,the isolation degree calculation method and LTE system radio resource scheduling method,as the theoretical basis of this paper;On this basis,to build the capacity of interference analysis based on the overall framework of the simulation platform,focus on the completion of the network topology,user topology,user access,wireless model,channel model,power control,system modules such as the calculation of the detailed design;Then,to achieve the capacity analysis simulation platform to build,through LTE dual-mode system between uplink and downlink interference with LTE standard macro system and Pico system between the uplink and downlink interference,and LTE standard macro system and micro system of uplink and downlink interference and system broadcast DTV interference in LTE system is tested,the capacity analysis of the validity and practicability of the simulation platform was performed to verify the effective.Then,this paper to increase the capacity of a heterogeneous system antenna directivity research,combined with the detection method of angle domain of transmission opportunities,to increase after the directional antenna interference simulation,verification increases antenna directivity of heterogeneous system capacity;Finally,the proposed enhancement method based on flexible small switching capacity of the system,in particular the handover algorithm based on neighbor list optimization community is small,the use of the adjacent base QoS violation rate factor,load factor,credit enhancement to improve system capacity.User interference,and enhance the computing capacity analysis of interference has obvious advantages in TD-LTE and LTE FDD system has achieved remarkable effect for LTE system coexistence scenarios of capacity analysis and research has guiding significance.