A new method for multipath channel characterisation for terrestrial transmitted video
Sherratt, R. S. (1995) A new method for multipath channel characterisation for terrestrial transmitted video. In: Radio Receivers and Associated Systems, 1995., Sixth International Conference on , 26-27 Sept 1995, Bath, UK, pp. 22-25.
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To link to this article DOI: 10.1049/cp:19951110
Under the multipath conditions of terrestrial television transmission, ghost carriers cause additive information to be generated by the VSB filter within the television receiver. By analysis of this a priori effect of the VSB filter under a ghosted condition the inphase and phase quadrature detected video signals are defined. Derived from these results, a new algorithm based upon correlation techniques is presented which finds the characteristics of the amplitude and delay of individual ghosts. These characteristics are then passed to a deterministic deghoster to minimise ghost effects.