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We present a spreading gain adaptation protocol between a transmitter and a receiver communicating with each other through a direct-sequence spread spectrum system. This protocol does not require the transfer of an explicit control message indicating the change of spreading gain from the transmitter to the receiver. Also, according to this protocol, the transmitter can change the spreading gain "symbol...
IEEE P1900.4 is an emerging standard for optimized radio resource utilization where cognitive radio technologies are used for efficient spectrum utilization. In this paper, we design and implement a cognitive wireless network system based on open documents of IEEE P1900.4, and evaluate its performance using UDP streaming and HTTP download. Our experiments show interesting results that total network...
Three applications in wireless networks where model-free stochastic learning is applicable, are discussed. The learning based optimization problems are formulated and simulation results are presented. Some open issues are also discussed.
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