The Research On Residential Area Based On MDAS Concealed Access System

As the urban residential district populated, mobile phone users, resident time islong, so residential area in all the scenarios presented in total traffic the mostcharacteristic; But the building itself and the surrounding buildings and residentialarea greening facilities such as the wireless signal shielding effect seriously, result inmulti-stores residential district: the lower number for parts for mobile phone signalblind area or weak area, elevator and underground parking lot blind area, stores andclubs in the district signal is generally weak, seriously affect the quality of mobilephone users calls and data services.MDAS business more digital distribution system is designed in this paper, thesystem as a base station outdoor and indoor distribution system is the combination ofa comprehensive solution, support2g,3g business, can be in synergy with WLANbroadband business, reduce user, to speed up the network construction andoptimization.MDAS business distribution system has more in urban villages, shops along thestreet (business street), low-rise residential, hotel, such as get good applicationscenario, successfully solved the more traditional distribution system cannot solvethe problem. Troubled operator site "bones" get good coverage for many years,traffic, data traffic have greatly ascend. Now unified combed and summarized thepilot MDAS, obtain the applicable application scenarios and application value.The overseas Chinese village of Zhongshan is a kind of low residential with5-7stores for high and large building density. For parts of the buildings, the spacing is ofless than10meters. Around the residential there are three base stations. However,because of the building blocks and large scale of users, the signal is weak andblind-areas are serious in the low-rise residential district. The network quality hasbeen complained badly. Employing new type of MDAS system, it took only threedays to install and run the network without being disturbed by the residences duringconstruction.From the results of installation, the coverage effect of GSM before and after running the new system is respectively-75.65dbm and-59.28dbm. The signal has beenpromoted obviously.