Patent ID: 7733814
Filing Date: 2010-06-08
Classification: H04B

Abstract:
1. A method of operating a time-division communication system that includes a first circulator having a first port, a second port, and a third port, the method comprising: in a receive time period, receiving a receive communication signal into the third port of the circulator, circulating the receive communication signal from the third port to the first port, transferring the receive communication signal from the first port to a first filter, transferring a first receive channel in the receive communication signal through the first filter for delivery to a first communication system, reflecting a second receive channel in the receive communication signal from the first filter to the first port, circulating the second receive channel from the first port to the second port, transferring the second receive channel from the second port for delivery to a second communication system; and in a transmit time period, transferring a first transmit channel received from the first communication system through the first filter to the first port, circulating the first transmit channel from the first port to the second port, transferring the first transmit channel from the second port and receiving the first transmit channel back into the second port, circulating the first transmit channel from the second port to the third port, receiving a second transmit channel into the second port, circulating the second transmit channel from the second port to the third port, and transmitting the first transmit channel and the second transmit channel from the third port to transmit a transmit communication signal from the first circulator.