The Research And Application Of Multiband And Ultra Wideband Base Station Antenna

With the rapid development of mobile communication technology,the mobile terminal is becoming the first screen,the explosive growth in wireless networks and will need more resources,that Various communication modes coexist situation will be widely used in the future.This means that multiple band,multiple operators,a variety of communication network system of coexisting situation will exist for a long time,and this will provide a broad prospects for development of multiple band & system supporting hardware,and also puts forward a new technical challenges for hardware system,the base station antenna is the foundation of mobile broadband network capacity unit.This paper introduces the history of the development of mobile communication technology firstly and the current situation of the development of ultra-wideband base station antenna so that establish the discussion of the base station antenna performance index.Then according to the basic theory of base station antenna and the required parameters,this paper determine the array arrangement of array antenna,boundary conditions and the structure of feed network.Then through the simulation software,it optimizes performance index of antenna array and the feed network to obtain the target index requirements and realize the base station antenna based on simulation model.Finally through measuring instruments,it verifies the performance index of ultra-wideband multi-frequency base station antenna meet the requirements.The sample of multi-band and ultra-wideband base station antenna measurement result show that it have good circuit and radiation performance of high band and low band,and can be used directly in the existing mobile commodification environment,has a good engineering application value.