Patent ID: 8687537
Filing Date: 2014-04-01
Classification: H04B,H04L

Abstract:
1. A communication system comprising a reception device and at least one transmission device, wherein the transmission device comprises: a signal transmission unit configured to transmit at least one unicast signal and multicast signal to the reception device, and the reception device comprises: first and second signal reception units configured to receive at least one the unicast signal and the multicast signal from the transmission device and to perform a reception process including demodulation and down-conversion; a first control unit configured to receive the unicast signal from the transmission device using the reception processes of both of the first and second signal reception units in case that only the unicast signal is received; and a second control unit configured to receive the unicast signal from the transmission device using the reception process of the first signal reception unit and without using the reception process of second reception unit, and simultaneously receive the multicast signal from the transmission device using the reception process of the second reception unit and without using the reception process of the first reception unit, in case that the unicast signal and the multicast signal are received.