Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Reexamination Certificate
2005-09-27
2008-07-29
Issing, Gregory C (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
Reexamination Certificate
active
07405695
ABSTRACT:
A switching circuit is used for switching a plurality of antennas of an antenna module so that the antenna module has a plurality of modes of use. Each mode of use uses two antennas for radiating a transmitting signal generating by a signal processing unit or sending a received signal to the signal processing unit. The switching circuit includes a plurality of power dividing modules, a plurality of switches and a control unit for controlling on/off of the switches. A mode of use is selected so as to pass the signal, through the switches and the power dividing modules, to the antennas for being radiated. The signal received by the antennas is transmitted to the signal processing unit also through the power dividing modules and switches. The control method determines the mode of use of the antenna module. At first, select a mode of use of the antenna module and switch to the selected mode. Next monitor signal throughput of the switched mode. Then compare the throughput value with a threshold value. If the throughput value is lower than the threshold value, another mode of use is selected.
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Accton Technology Corporation
Issing Gregory C
Rosenberg , Klein & Lee
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