Research On VOLTE Interoperability Analysis And Optimization

With the rapid development of the communication network,the number of 4G users is increasing rapidly.The current 4G network is the Long Term Evolution(LTE)standard.Voice over LTE(VoLTE)scheme,one of the voice schemes under the aforementioned standard,is built on the LTE network;in addition to air interface communication,it adopts IP communication technology in the whole process to achieve voice end to end,and run the data services and voice services together in the LTE network;VoLTE voice technology has characteristics such as the low continuous time-delay,high-definition audio-visual effect,high spectrum efficiency,high capacity and flexible business,playing an important role in enhancing user perception and reducing operating costs.To promote the development of VoLTE voice technology is to accelerate the evolution of IP voice technology for mobile communication.This paper analyzes and studies the technology deployment and optimization in the development process of VoLTE voice service in the early term of network construction to improve the performance of VoLTE voice service.Through a large number of experimental tests,the VoLTE wireless technical parameters are verified and studied.The assessment test for the VoLTE voice capability and applicable scene is analyzed.Combined with the existing statistical indices,the business requirements are analyzed.In the medium term of the LTE network construction,the voice scheme for 2/3G network and the VoLTE voice scheme for 4G network need to coexist.The current voice solution is intensively analyzed.Fully combined with the basic theory knowledge and the new technology principle,using the sub-scene method,the scene is divided into the network geography scene and technical scene.The VoLTE interoperability technology is analyzed and studied specifically.The main contents are:1.The current situation of VoLTE voice development,the LTE voice service solutions at home and abroad as well as the significance of the topic are briefly introduced.The LTE voice solution is expounded.The technical principles and advantages and disadvantages of each solution and the significance of each voice solution under different scenarios are compared and analyzed.2.The LTE network deployment is studied and analyzed.Combined with the current wireless performance test environment and wireless network parameter settings,the network field test scenarios are divided.The VoLTE voice service network quality,service quality,resource capacity and other wireless performance are studied to provide the theoretical basis for the follow-up switching performance optimization research.3.The performance of VoLTE's multi-scene wireless network is studied and analyzed.Under the status quo of non-full coverage of the 4G network,the VoLTE interoperability technology is stressed and analyzed.Through the verification test,the quality of VoLTE voice calls in each network environment is analyzed and the voice indices are assessed.Combined with the coverage,interference,parameters and other aspects,the optimization method is discussed and the optimization test cases are prepared and analyzed.VoLTE interoperability analysis and optimization is a must for the development of 4G network voice service.It accumulates the optimization experience for the boom of the VoLTE voice service and provides the theoretical basis and effective method for the follow-up VoLTE optimization work.