Cyclostationarity approach for the recognition of cyclically prefixed single carrier signals in cognitive radio

Qiyun Zhang, Octavia A. Dobre, Sreeraman Rajan, Robert Inkol, Erchin Serpedin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

Cognitive radio (CR) represents a possible solution to the paradoxical problem of simultaneous scarcity and underutilization of the electromagnetic spectrum. Spectrum awareness, a key task of such a radio, encompasses the recognition of the received signal type and parameters. This paper investigates the cyclostationarity approach for the recognition of cyclically prefixed single carrier linearly digitally modulated (CP-SCLD) signals versus SCLD and orthogonal frequency division multiplexing (OFDM) signals under practical conditions, including time-dispersive channels, additive Gaussian noise, and phase, frequency and timing offsets. Analytical closed-form expressions are derived for the cyclic autocorrelation function (CAF) and the set of cycle frequencies (CFs) of CP-SCLD signals. These results are the basis of the proposed signal recognition algorithm. This algorithm has the advantage of avoiding requirements for the recovery of carrier, waveform, and symbol timing information, and the estimation of signal and noise powers.

Original languageEnglish
Title of host publication2010 IEEE International Conference on Communications, ICC 2010
DOIs
Publication statusPublished - 13 Aug 2010
Event2010 IEEE International Conference on Communications, ICC 2010 - Cape Town, South Africa
Duration: 23 May 201027 May 2010

Publication series

NameIEEE International Conference on Communications
ISSN (Print)0536-1486

Other

Other2010 IEEE International Conference on Communications, ICC 2010
CountrySouth Africa
CityCape Town
Period23/5/1027/5/10

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Keywords

  • Cognitive radio
  • Cyclically prefixed single carrier signals
  • Signal cyclostationarity
  • Signal recognition
  • Spectrum awareness

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Zhang, Q., Dobre, O. A., Rajan, S., Inkol, R., & Serpedin, E. (2010). Cyclostationarity approach for the recognition of cyclically prefixed single carrier signals in cognitive radio. In 2010 IEEE International Conference on Communications, ICC 2010 [5502699] (IEEE International Conference on Communications). https://doi.org/10.1109/ICC.2010.5502699