Built Cellular Network For Baghdad City With Smart Antenna Technique

Ibrahim Alwan, Hussain; Moutaz Ismaieel, Eng.Marwa

	Built Cellular Network For Baghdad City With Smart Antenna Technique
Journal Of AL-Turath University College
Article 1, Volume 2, Issue 19, 2015, Pages 58-75
Authors
Hussain Ibrahim Alwan; Eng.Marwa Moutaz Ismaieel
Abstract
In this work we built a large cellular network for Baghdad city by using switched beam smart antenna technique (SBSA) to have optimum coverage, min interference, and Max capacity Instead of the conventional techniques that have many disadvantages that limit the performance of the network. Our work are divided into two stages: in 1st stage we change the parameter of one BTS (cell) for 3 path loss models and show how the coverage is changed by changing Broadcast parameter, this is the 1st step that must be understood by any engineer how want to design a large cellular network. (Broadcast parameter is taken from ASII Cell Company), MATLAB is used to simulate and present the result. In the 2nd stage we built cellular network by dividing Baghdad city into 11 parts and distribute cells on it, changed broadcast parameter for each cell until we have an optimum coverage with min SIR. By used SBSA technique and with Keeping the same range we reduce the transmitted power by 4 which mean low pollution and low power saving cost, interference reduced by 4 so by keeping the same C/I ratio we can reduce the frequency reuse from 7 to 4 ,and by keeping the same cell area, the capacity for the whole network increased by 75%, utilizing the higher gain offered by smart antenna technique we can cover vast areas by using a minimum number of BTS , in extremes areas of Baghdad city ,1BTS with SA technique cover areas of 7 BTS . We use a special program “Radio Mobile Program” to extract the coverage and present the result.
Keywords
smart antenna; cellular network; BAGHDAD CITY; radio mobile; SBSA; cell coverage; path loss model

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