Patent ID: 9219510
Filing Date: 2015-12-22
Classification: H04B,H04L

Abstract:
1. A receiving system for obtaining information data based on a plurality of received signals obtained by receiving a broadcast wave, which carries coded information data, with a plurality of antennas, the receiving device comprising: a first receiving semiconductor chip that includes a demodulation decoding circuit and a first transmission processor, the demodulation decoding circuit being configured to demodulate and synthesize the plurality of received signals such that the signals received from respective antennas are added or subtracted with weighting and to decode a synthesized signal to obtain received information data, and the first transmission processor being configured to perform a predetermined modulation process on the received information data to obtain a received information modulation signal and send the received information modulation signal to a transmission cable; and a second receiving semiconductor chip that includes a first receiving processor and a data decoder, the first receiving processor being configured to receive the received information modulation signal via the transmission cable, and to obtain the received information data by demodulating the received information modulation signal with a demodulation process that corresponds to the predetermined modulation process, and the data decoder being configured to decode the received information data to obtain the information data, wherein the second receiving semiconductor chip further includes a power supply voltage generating circuit, the power supply voltage generating circuit being configured to generate a DC power supply voltage for operating the first receiving semiconductor chip and applying the DC power supply voltage to the transmission cable, and wherein the first receiving semiconductor chip further includes a power supply voltage derivation circuit configured to derive the power supply voltage from the transmission cable.