Information transfer methods

Details Information transfer methods Information transfer methods

2007-05-01

2007-05-01

Le, Vu (Department: 2635)

Pulse or digital communications

Systems using alternating or pulsating current

C375S285000, C375S219000, C375S340000

Reexamination Certificate

active

10490092

ABSTRACT:
A use of the invention permits to increase the transmission rate of existing communication lines or their capacity. The method is in that, at the transmitting side: a first and second analog signals are formed from a first and second sequences of digital information samples, the first analog signal being formed from a difference of values of digital information samples of the first sequence and values of digital information samples of the second sequence taken in points of digital information samples of the first sequence, and the second analog signal being formed from digital information samples of the second sequence taken in points of digital information samples of the second sequence, which are between the points of digital information samples of the first sequence, after which the first and second analog signals are summed, and the summary analog signal is transmitted to a communication line; and at the receiving side: the first sequence of digital information samples is restored by means of sampling the summary analog signal with a clock frequency, then the first sequence of digital information samples is converted to the analog signal of the first sequence using the predetermined sampling function, said analog signal of the first sequence is subtracted from the summary analog signal, and the second sequence of digital information samples is restored from the obtained difference analog signal.

REFERENCES:
patent: 2002/0136281 (2002-09-01), Grohn
patent: 2005/0078597 (2005-04-01), Dounaev et al.
patent: 10098497 (1998-04-01), None

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