Patent ID: 7161985
Filing Date: 2007-01-09
Classification: H04B,H04L

Abstract:
1. A method for transmitting data on at least one electrical power supply line, on which pulse-shaped interference signals with intermediate almost interference-free time intervals occur periodically, using an OFDM (orthogonal frequency division multiplexing) method, wherein information to be transmitted is distributed over a number of carriers and a composite signal of all modulated carriers is transmitted in the form of an OFDM burst, wherein the OFDM method enables the transmitted OFDM to fill up a large proportion of a duration of a period of the pulse-shaped interference signals and between two successive OFDM bursts, a pause of an approximate duration of a noise pulse is maintained, a position of the transmitted OFDM burst is synchronized with the pulse-shaped periodic interference signals because the periodic interference signals represent a synchronization pattern, in each case a fixed-length OFDM burst being located between two periodic noise pulses.