Multiplex communications – Wide area network – Packet switching
Patent
1993-03-15
1994-06-14
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
370 953, 455 561, H04J 302
Patent
active
053216903
ABSTRACT:
A transmitting and receiving system in base station in a time-division multiple access digital mobile telephone system has a control signal input/output unit (20) for an external system, a speech signal input/output unit (30) for the external system, a plurality of transmitting/receiving units (10a, 10b, 10c) each including a radio transmitting/receiving circuit (11a, 11b, 11c)and a transmission/reception data processing circuit (12a, 12b, 12c), a control signal bus (40) connecting the control signal input/output unit and the plurality of transmitting/receiving units, and a speech signal bus (50) connecting the speech signal input/output unit and the plurality of transmitting/receiving units. The transmission/reception data processing circuit (12) executes processes of disassembling and assembling to and from a plurality of slots with respect to the control signals for all channels to be multiplexed to a single radio frequency, and of data processings for each slot on the control signals and the speech signals for all channels to be multiplexed to a single radio frequency.
REFERENCES:
patent: 5117423 (1992-05-01), Shepherd et al.
patent: 5170395 (1992-12-01), Shinmyo
patent: 5212804 (1993-05-01), Choate
NEC Corporation
Safourek Benedict V.
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