Transmission system with adaptive interleaving

Details Transmission system with adaptive interleaving Transmission system with adaptive interleaving

1988-03-18

1990-02-13

Smith, Jerry

Excavating

371 21, 371 391, 371 41, 371 55, G06F 1110

Patent

active

049013190

ABSTRACT:
A transmitter has an interleaver that sets an interleaving interval in accordance with the fading characteristic of a channel and transmits in another channel. The inteleaver duration is indicated by a synchronization signal and typically is 3 to 10 times the mean time between fades (decorrelation time). If the two channels substantially differ in frequency, a scaling factor can be used. A receiver has an adaptive deinterleaver that has a deinterleaving time in accordance with the synchronization signal occurring at the interleaving interval.

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John L. Ramsey, "Realization of Optimum Interleavers," I.E.E.E. Trans. Information Theory, vol. IT-16, No. 3, May 1970, pp. 338-345.

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