Cognitive System with OFDM for Mobile Communication
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Radio transmissions have grown hugely since the early ontogeny in the late nineteenth and the starting of twenty centuries and immediately influenced the lives of users in every corner of the world. A. To satisfy and cater the escalating requirements, new broadband transmission technologies have been presented to utilize radio spectrum effectively. This research work explores beam forming and two-way relaying to alleviate the dual issues of the spectrum congestion and spectrum underemployment. These troubles can be relieved by the implementation of underlay cognitive radio networks. Neverthele...
Radio transmissions have grown hugely since the early ontogeny in the late nineteenth and the starting of twenty centuries and immediately influenced the lives of users in every corner of the world. A. To satisfy and cater the escalating requirements, new broadband transmission technologies have been presented to utilize radio spectrum effectively. This research work explores beam forming and two-way relaying to alleviate the dual issues of the spectrum congestion and spectrum underemployment. These troubles can be relieved by the implementation of underlay cognitive radio networks. Nevertheless, their reliability, capacity or power, and coverage depend on bidirectional or abbreviated as primary-to-secondary or abbreviated as P2S and secondary-to primary or abbreviated as S2P interference constraints.
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