The Global Positioning System (GPS) signals are used for navigation and positioning purposes by a diverse set of users. As a part\nof GPS modernization effort L5 has been recently introduced for better accuracy and availability service. This paper intends to\nstudy and simulate the GPS L1/L5 signal in order to fulfill the following two objectives. The first aimis to point out some important\nfeatures/differences between current L1 (whose characteristics have been fairly known and documented) and new L5 GPS signal for\nperformance evaluation purpose.The second aim is to facilitate receiver development, which will be designed and assembled later\nfor the actual acquisition of GPS data. Simulation has been carried out for evaluation of correlation properties and link budgeting\nfor both L1 and L5 signals. The necessary programming is performed in Matlab.
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