Method and arrangement for measuring the carrier frequency deviation in a multi-channel transmission system
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United States of America Patent
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Sep 12, 1995
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app pub date -
Nov 12, 1993
filing date -
Nov 12, 1993
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Abstract
A multi-channel transmission system operates by transmitting digitally-coded signals modulated in sequential symbol blocks at a plurality of carrier frequencies, and receiving and demodulating the digitally-coded signals, wherein, in the transmitting, a test signal is generated in at least one symbol block, the test signal containing at least one periodically continued, differentially coded, self-orthogonal sequence of a constant amplitude modulated to a part of the plurality of carrier frequencies within a symbol block in differential coding.
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