Communication network having gain adjustment function of a...

Details Communication network having gain adjustment function of a... Communication network having gain adjustment function of a...

H - Electricity

04

L

340/71

H04L 1/00 (2006.01) H04B 3/10 (2006.01) H04L 12/28 (2006.01)

Patent

CA 1240750

ABSTRACT OF THE DISCLOSURE In a communication network in which a plurality of information processors are coupled to a communication medium through medium attachment units (MAUs), a pilot signal generator sends a pilot signal of a reference level to a predetermined point of the communication medium. Each MAU has a gain controller to control the gain of a transmission amplifier. This gain controller transmits a test signal to the communication medium through the transmission amplifier. The gain of the transmission amplifier is adjusted in accordance with the reception level of this test signal such that the reception level of the test signal becomes equal to the reception level of the pilot signal. Each MAU is pro- vided with a random number data generator and sets the transmission time slot of the test signal in dependence on random number data to prevent simultaneous transmis- sion of test signals from MAUs.

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