MIMO Based Spectrum Sensing in Cognitive Radio Systems
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We know that the world has witnessed a tremendous increase in the number of wireless services demanding high data rate transmission at low cost. Today, world has become a global village where the people access latest wireless services at any place and at any time. There are two scenarios of the current problem with wireless communication. One scenario is that the number of the wireless users is increasing and the other scenario is that the radio spectrum is limited. So, there is a need to balance these two scenarios by introducing band efficient techniques which can pave a way to boost the wir...
We know that the world has witnessed a tremendous increase in the number of wireless services demanding high data rate transmission at low cost. Today, world has become a global village where the people access latest wireless services at any place and at any time. There are two scenarios of the current problem with wireless communication. One scenario is that the number of the wireless users is increasing and the other scenario is that the radio spectrum is limited. So, there is a need to balance these two scenarios by introducing band efficient techniques which can pave a way to boost the wireless communication. One of the solutions is Dynamic Spectrum Access which opens doors to new paradigm called as "Cognitive Radio". In this dissertation, performance evaluation of MIMO based spectrum sensing is considered. Also, Multicarrier Modulated Signal is generated for Cognitive Radio using DVB-T (2K mode) parameters. Further, PAPR is reduced using different techniques with better results shown by the hybrid technique.
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