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OFDM system with cyclostationary feature detection spectrum sensing
Author(s) -
Арун Кумар,
Nandhakumar Pandi
Publication year - 2018
Publication title -
ict express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.733
H-Index - 22
ISSN - 2405-9595
DOI - 10.1016/j.icte.2018.01.007
Subject(s) - cyclostationary process , cyclic prefix , orthogonal frequency division multiplexing , cognitive radio , bit error rate , transmitter , electronic engineering , bandwidth (computing) , computer science , false alarm , algorithm , mathematics , telecommunications , engineering , wireless , artificial intelligence , channel (broadcasting) , decoding methods
In Orthogonal Frequency Division Multiplexing OFDM, a cyclic prefix (CP) is applied to reduce the intervention between symbols. The CP results in bandwidth wastage, and the solution to this problem leads to the cognitive radio. In the first part of the work, OFDM with CP is presented and integrated with cyclostationary spectrum sensing. Subsequently, OFDM with cyclostationary spectrum sensing without CP is proposed with the function of the filter at the transmitter and receiver being to utilize the bandwidth that is wasted in the CP phase. The Bit Error Rate BER, signal probability detection, false alarm, and error probability are obtained and analyzed.

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