Antenna selecting diversity receiving apparatus

Details Antenna selecting diversity receiving apparatus Antenna selecting diversity receiving apparatus

1991-04-26

1993-08-31

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

4552771, 455133, H04B 106

Patent

active

052417018

ABSTRACT:
An antenna selecting diversity receiving apparatus utilizes linear modulation with information about the envelope of a modulating wave included therein and is employed in a radio communication system using TDM. An integrating circuit serves to integrate electric-field levels received by respective antennas over a predetermined period of time before a start in a time slot allotted to a radio receiver. Then, a comparing circuit makes a comparison among respective time-integrated values corresponding to the respective antennas. In addition, a changeover control circuit serves to select an antenna corresponding to the maximum time-integrated value as the antenna used during the period of the time slot allotted to the radio receiver.

REFERENCES:
patent: 4663768 (1987-05-01), Ryu
patent: 4696058 (1987-09-01), Tachita et al.
patent: 4756023 (1988-07-01), Kojima

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