Application of Fuzzy Logic to Cognitive Wireless Communications

This paper mainly studies data transmission Rate (DTR) in the of fuzzy logic in on Cognitive wireless modern communication improving the use of the radio frequency spectrum and the degree of intelligence of network and subscriber equipment, In this regard, The use of methods of cryptographic protection of information with a public key are convenient in that they do not require an additional communication channel for the exchange of a private key between the sender and the recipient However, they often rely on complex mathematical calculations and usually much less effective than c cryptosystems on a symmetric key. In this article we will focus on implementation of fuzzy logic methods for asymmetric encryption key. Fuzzy logic, in this case, is a problem solving methodology for data transfer that can find its application in various systems. In the present article deals with the encryption method using the theory of fuzzy sets technology of constructing cognitive wireless data transmission systems (WDTS) use of fuzzy logic and fuzzy controllers, Systems а demand of high quality transmission increasing of transmission data speed. Keyword: DataTransmission,OFDM ,Cognitive Radio ,Fuzzy logic