TRANSCEIVER AND COMMUNICATION METHOD OF DIGITAL SUBSCRIBER LINE

摘要

The present invention discloses a transceiver of digital subscriber line (DSL) which supports a variety of DSL systems, comprising: a transmission circuit for receiving an output signal and generating a first DSL transmission signal or a second DSL transmission signal according to the output signal under the control of a transmission selection parameter; a hybrid circuit for generating a line transmission signal according to the first or second DSL transmission signal and generating a DSL reception signal according to a line reception signal; and a reception circuit for generating a first DSL reception signal or a second DSL reception signal according to the DSL reception signal, and then outputting one of the first and second DSL reception signals as an input signal according to a reception selection parameter.

主权项

1. A transceiver of digital subscriber line (DSL) capable of supporting a variety of DSL systems, comprising:
a transmission circuit including:
a transmission selector to receive an output signal and provide the output signal for a first DSL analog-front-end transmission circuit or a second DSL analog-front-end transmission circuit according to a transmission selection parameter;the first DSL analog-front-end transmission circuit corresponding to a first DSL system to generate a first DSL transmission signal according to the output signal; andthe second DSL analog-front-end transmission circuit corresponding to a second DSL system to generate a second DSL transmission signal according to the output signal; a hybrid circuit, coupled with the transmission circuit, to generate a line transmission signal according to the first DSL transmission signal or the second DSL transmission signal and generate a DSL reception signal according to a line reception signal; and a reception circuit, coupled with the hybrid circuit, including:
a first DSL analog-front-end reception circuit corresponding to the first DSL system to generate a first DSL reception signal according to the DSL reception signal;a second DSL analog-front-end reception circuit corresponding to the second DSL system to generate a second DSL reception signal according to the DSL reception signal; anda reception selector to output the first DSL reception signal or the second DSL reception signal as an input signal according to a reception selection parameter.