Multicarrier Modulated Signal for Cognitive Radio with Low Peak-to-Average Power Ratio

Javaid A Sheikh, Mehboob Ul Amin, Shabir A Parrah, G. Mohiuddin Bhat
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Abstract


Multi-carrier communication is considered as the

potential candidate for 4G-LTE networks. The major drawback

concerned with multi-carrier communication is high PAPR,as

various carriers are added via IFFT operation.High PAPR still

requires a lot of attention due to non-linearity in power

amplifiers.In this paper we have generated a multi-carrier signal

using DVB-T2 parameters and calculated it PAPR using CCDF.

A novel hybrid technique is proposed in which we have combined

the filtering and companding techniques with SLM to obtain a

significant reduction in PAPR. The CCDF plots depict the

performance of proposed technique is better than existing art of

techniques.


Keywords


Cognitive Radio (CR), DVB-T (Digital Video

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