Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2006-06-27
2006-06-27
Corsaro, Nick (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S560000, C455S553100, C455S450000, C455S456500, C455S522000, C455S574000, C455S509000, C455S017000, C455S021000, C455S023000, C455S088000, C455S127500, C455S451000, C455S447000
Reexamination Certificate
active
07069049
ABSTRACT:
An apparatus and method for controlling a duplication structure of a Base station Transceiver Subsystem (BTS) is provided. The BTS has N number of sectors including a first sector to an Nth sector and M number of Frequency Assignments (FAs) including a first FA to an Nth FA. The apparatus and method includes N number of power dividers, each of which has M number of output ports and one redundancy output port, each of the power dividers dividing an input signal into equal-power signals each having 1/(M+1) power and outputting the power-divided signals through the M number of output ports and one redundancy output port. The apparatus and method further includes (N×M) number of receivers for demodulating signals outputted from the output ports of the N number of power dividers, respectively; a redundancy receiver for demodulating a signal which has been processed by and is switched over from one of the (N×M) number of receivers according to a predetermined control; a switch connected to each of redundancy output ports of the N number of power dividers, the switch connecting a signal outputted from one of the redundancy output ports to the redundancy receiver according to a predetermined control; and a controller which monitors operation states of the (N×M) number of receivers and controls the switch to connect a redundancy signal to the redundancy receiver when the controller detects one abnormally-operating receiver from among the (N×M) number of receivers, the redundancy signal being outputted from a redundancy output port of a power divider connected to the abnormally-operating receiver.
REFERENCES:
patent: 5493695 (1996-02-01), Aitkenhead et al.
patent: 6081515 (2000-06-01), Toivola
patent: 2002/0019235 (2002-02-01), Kim et al.
Aminzay Shaima Q.
Corsaro Nick
Roylance Abrams Berdo & Goodman LLP
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