Source position detecting method and communications system, comm

Details Source position detecting method and communications system, comm Source position detecting method and communications system, comm

1996-08-05

1999-02-16

Nguyen, Chau

Multiplex communications

Network configuration determination

370401, H04L 1256

Patent

active

058727728

ABSTRACT:
A source position detecting method and a communications system, communications equipment and relay suitable for implementing this method. When relaying a coded data signal from one individual network to another individual network, a first relay, for instance, increases the length of preambles by 1 and when relaying to the next individual network, a second relay, for instance, decreases the length of preambles by 2. Increment/decrement processing of the length of preambles can be carried out without decoding the main body of the coded data signal. Alternatively, preamble duration shortening accompanying the relay can be utilized and signal distortions accompanying signal transmission such as group delay and signal strength attenuation can also be utilized. Without processing the data at the relay, the destination equipment can obtain data concerning the position of the source equipment which transmitted the data signal, such as data concerning the transmission route of the data signal.

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patent: 5550807 (1996-08-01), Kuroshita
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