A transmit and receive system for transmitting data between a transmit site and a receive site. The system includes a tunnel source, router and modulator for dividing a transmit data stream having a first bit rate into multiple data streams with each of the multiple data streams having a bit rate which...http://www.google.com.tw/patents/US20020131403?utm_source=gb-gplus-share專利 US20020131403 - Transmit and receive system for a cable data service
