Method for transmitting data by means of a carrier current

Details Method for transmitting data by means of a carrier current Method for transmitting data by means of a carrier current

2004-04-30

2010-06-29

Yao, Kwang B. (Department: 2473)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C370S503000

Reexamination Certificate

active

07746763

ABSTRACT:
The invention relates to a method for transmitting data over a carrier current using a frequency band. According to said method: the frequency band is divided into N sub-bands, N being a whole number higher than, or equal to, two; an OFDM (Orthogonal Frequency Division Multiplexing) technique is carried out on each of said sub-bands; and calculations are carried out based on each sub-band. The inventive method is characterised in that the calculations based on each sub-band are independent from the calculations based on the other sub-bands, and said sub-bands are dynamically activated and allocated. The invention also relates to modulation and demodulation devices for carrying out said method.

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