ABSTRACT OF THE THESIS Experimental Evaluation of Secondary NC-OFDM Transceiver for Coexistence with Primary Transmitter

RF Spectrum scarcity inhibits development of newer wireless communication technolo-gies in a big way. With the current spectrum policies, there is heavy under utilization of available spectrum. This calls for more efficient spectrum allocation. One of the solu-tions to the problem is dynamic spectrum allocation algorithms. This can be achieved with the use of Cognitive Radio Technology. Cognitive radios allow for dynamic chang-ing of transmission parameters depending on the environment and available spectrum bands. The definition of Cognitive radios terms it an intelligent radio which alters its transmission/reception parameters in accordance with the radio environment and the network state to utilize spectrum efficiently. Cognitive radio technology allows for use of unlicensed secondary devices to utilize spectrum unused by licensed primary devices. The secondary devices can utilize the spectrum and transmit in bands not used by the primary devices in order to avoid any detrimental interference to the licensed primary users. This calls for stringent control of the secondary transceiver. In this thesis, we focus on designing an LTE standard based Non Contiguous Orthogonal Frequency Division Multiplexing Secondary Transceiver