Digital multiplex radio system

Details Digital multiplex radio system Digital multiplex radio system

1997-04-21

1999-10-05

Bost, Dwayne D.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455403, H04Q 722

Patent

active

059638737

ABSTRACT:
There is provided a digital multiplex radio system using microwaves in an SDH communication network, in which the installation space, wiring space and wiring cost are decreased. Each of unit cases is arranged for each of a plurality of active lines and at least one spare line. The unit cases have the same configuration, and are portable and replaceable. Each of the unit cases includes a base band processing section, modulating section, transmitting section, receiving section, demodulating section, transmission switching section, and receiving end switching section. In the present invention, the functions located between the SDH Physical Interface (SPI) specified in the ITU-TG783 and the Radio Physical Interface (RPI) specified in the ITU-RF.750 are unified in the SDH communication system.

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patent: 5844924 (1998-12-01), Nagamoto
patent: 5848353 (1998-12-01), Matsumoto

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