Method and circuit arrangement for combining several digital dat

Details Method and circuit arrangement for combining several digital dat Method and circuit arrangement for combining several digital dat

1995-06-01

1997-07-22

Hsu, Alpus H.

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via frequency channels

370538, 375260, 375295, H04L 2704, H04L 2712, H04L 2720

Patent

active

056509960

ABSTRACT:
A method and a circuit arrangement for combining several data channels with a transmission channel in which the carrier signal has at least two digital data signals, each with a different frequency, superimposed on it in terms of time. The superimposed signal is transmitted and received by a receiving device. The receiving device decodes the digital data signals and can pass them on, separately, to corresponding devices for further processing. The method and circuit arrangement may be advantageously used for data transmission between a motor vehicle and a fixed beacon. The data to be transmitted may contain traffic guidance data, or data for billing road use fees, for example.

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patent: 4903125 (1990-02-01), Parker
patent: 4972408 (1990-11-01), Herve et al.
patent: 5012489 (1991-04-01), Burton et al.
Dieter Conrads, Moderne Kommunikationstechnik-Dataenkommunikation, Mit 116 Abbildungen und 9 Tabellen, 1989, pp. 34-37.
William C.Y. Lee, Mobile Communications Engineering, McGraw-Hill Book Company, 1982, pp. 342-343.
Bode et al., Bit Error Measurements on a 5.8 GHz Mobile Radio Channel for Short Range Traffic Management Systems.
European Radiocommunications Committee ( ERC), Report from the European Radiocommunications Committee within CEPT on the harmonization of frequency bands to be designated for Road transport Information Systems, ERC Report 3, Lisbon, Feb. 1991.

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