Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2004-06-24
2010-12-28
Harper, Vincent P (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S424000, C455S067110, C455S067130, C455S402000, C703S021000, C703S022000, C307S010100
Reexamination Certificate
active
07860496
ABSTRACT:
A device for simulating a data transmission via a data transmission network, especially in a motor vehicle, for evaluating the transmission quality via the network as a function of an interference environment and of a channel characteristic of the network. To be able to draw a conclusion regarding transmission quality that is as reliable and as close to reality as possible, the device receives at least one modulated input signal to be transmitted via the network, that it receives a description of a simulated interference environment, that it receives a description of a simulated channel characteristics of the network, and that it features a logic module which is programmed in such a way that an output signal is computed according to a specifiable algorithm as a function of the received signal and taking into consideration the description of the interference environment and the description of the channel characteristic, the output signal allowing for a conclusion regarding the quality of transmission via the network.
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“Analysis of Modulation Methods for Data Communications over the Low-voltage Grid” by Petra Cuncie, 7th International Conference on Telecommunications—Contel 2003; ISBN 953-184-052-0; Jun. 11-13, 2003 Zagreb, Croatia.
DIN VDE 40839, Part 1, 1992.
International Electrotechnical Commission, Radio distrubance characteristics for the protection of recievers used on board vehicles, boats, and on devices—Limits and methods of measurement, International Special Committee on Radio Interference, publication 25, Geneva, 1995.—(Table of Contents, Foreword, Introduction and Scope) pp. 3, 5, 7, 9, 11 and 13.
Dostert Klaus
Enders Thorsten
Schirmer Juergen
Stiegler Frank
Harper Vincent P
Kenyon & Kenyon LLP
Lam Dung
Robert & Bosch GmbH
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