Patent ID: 6721287
Filing Date: 2004-04-13
Classification: H04B

Abstract:
A transceiver apparatus for carrying out communications with another transceiver over a communications network on which transmit and receive data for said transceiver apparatus are communicated over the same path over at least a portion of said network, said apparatus comprising:a transmitter; a receiver; an echo cancellation circuit coupled to said receiver for detecting data transmitted over said network from said transmitter and generating an echo cancellation signal, said echo cancellation signal designed to cancel an echo of said transmitted data received over said network, said cancellation signal including compensation for a robbed bit generated by said network appearing in said echo; and a processor, said processor programmed to receive data indicating the position of said robbed bit generated by said network from said another transceiver and coupled to provide said position data to said echo cancellation circuit; wherein said processor receives said data indicating the position of said robbed bit from said another transceiver in response to a training signal sent by said transceiver to said another transceiver.