Multi-tone transmission

Details Multi-tone transmission Multi-tone transmission

2006-11-07

2006-11-07

Tse, Young T. (Department: 2611)

Pulse or digital communications

Transceivers

Modems

C375S260000, C370S210000

Reexamination Certificate

active

07133443

ABSTRACT:
A Multi-tone transmission system processes input data through a plurality of intermediate processing stages12,14,16and corresponding stages of intermediate data18,20. A symbol including a number of tones is obtained therefrom by an inverse Fourier transform24and stored in a buffer158. The peak amplitude that the symbol would contain after the subsequent processing in the analogue front end146is modelled and compared with a threshold. If the modelled peak amplitude in the symbol exceeds the threshold, the symbol stored in the buffer158is regenerated. The symbols stored in the buffer are output through the analogue front end146.

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European Search Report issued May 4, 2006 for Appl. No. EP 02255458, 3 pages.

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