The rapid exponential growth in wireless technologies and the need for public safety has led to increasing demand for location-based services. Terrestrial cellular networks can offer acceptable position estimation for users that can meet the statutory requirements set by the Federal Communications Commission in case of network-based positioning, for safety regulations. In this study, the proposed radio frequency pattern matching (RFPM) method is implemented and tested to determine a user’s location effectively. The RFPM method has been tested and validated in two different environment. The evaluations show remarkable results especially in the Micro cell scenario, at 67% of positioning error 15m and at 90% 31.78m for Micro cell scenario, with results of 75.66m at 67% and 141.4m at 90% for Macro cell scenario.
Today trade wireless communication systems are wanted to equip reliable communication and bigger data rates. Two considerable challenges in system design are the restricted fading and spectrum due to multipath components in the wireless system. Multiple transmission and reception can be used to form (MIMO) multiple input multiple output channels to raise the data rate and capacity. The advantages of utilizing multiple antennas are to get reliable performance and a higher data rate. In this paper, an attempt is made to design and simulate SISO, SIMO, MISO and MIMO systems. We have analyzed and compared the performance of these systems based on SNR and channel capacity in a different number of an antenna. The effect of the number of an antenna (4, 8, and 16) on the channel capacity over a range of SNR (0-30db) for the systems is examined. The system performance is simulated in Matlab. The results of the simulation show that as significant improvement in the capacity of systems reached dramatically to 214 (bits / Hz / Sec) when SNR = 30 and (16X16) MIMO is used.
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