Cyclostationarity Approach to Joint Blind Estimation of CP-SCLD Block Transmission Parameters for Cognitive Radio

Abstract

Cyclic prefix single carrier linear digital modulation (CP-SCLD) has been proposed as an alternative to orthogonal frequency division multiplexing (OFDM), and adopted in the IEEE 802.16 wireless metropolitan area network (WMAN) standard. In this paper we develop a cyclostationarity-based algorithm for joint blind estimation of the block transmission parameters of a CP-SCLD based system. The effectiveness of the proposed algorithm is shown for signals affected by time dispersive channels, additive Gaussian noise, carrier phase, and frequency and symbol timing offsets. This algorithm complements the signal detection and classification algorithms devised by the authors in [1]-[2], and represents an integral part of a suite of algorithms applicable to spectrum awareness for cognitive radio (CR).