Side Lobe Suppression Techniques in OFDM Based CR

Ashutosh Pande, Aizaz Tirmizi, Mohd Sarwar Raeen

Abstract


Economical pooling of the spectrum is achieved by employing a psychological feature radio (CR) that could be a multi-band, spectrally agile radio that employs versatile communication techniques. Orthogonal frequency division multiplexing (OFDM) has established to be the prime candidate for spectrum pooling primarily based wireless transmission systems as it can deliver the goods high information rate communications. The big facet lobes ensuing from the employment of OFDM lead to high out-of-band (OOB) radiation. During this context a survey of side lobe suppression methodologies for psychological feature radio is bestowed. Varied aspects of side lobe drawback square measure studied from a psychological feature radio perspective associate degreed an economical suppression technique is introduced. Challenges related to side lobes square measure given and enabling suppression strategies square measure reviewed.


Keywords


Cognitive radio, OFDM, Out of band radiation, Side lobe suppression.

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References


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