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The WiMAX (IEEE 802.16) technology is widely deployed to provide users with wireless network connectivity in easy way. Propagation measurements at the frequency of 3.5 GHz for the WiMAX technology have been taken from different places in the world with different topologies. This paper deals with path loss calculation and analysis in order to fined the best methodology for calculating upper and lower...
Cognitive radio (CR) has become a hotspot in recent research. We can think of a CR as having three main parts: the ability to sense, the capacity to learn, and the capability to adapt. Adaptation to the outside environment to optimize radio parameters has been previously proposed using genetic algorithms (GA) to select the optimal transmission parameters by scoring a subset of parameters and evolving...
Software defined radio (SDR) is a rapidly evolving technology that is receiving enormous recognition and generating widespread interest in the telecommunication industry. In this paper, we present the architecture of an all-digital transmitter with radio frequency output targeting FPGA devices due to their reconfigurability and programmability. The all-digital transmitter directly synthesizes RF signal...
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