Patent ID: 8335223

Claim:
A household gateway subsystem, comprising: a host device, configured to connect an external network to a household network, and control various information household appliances within the household based on a digital bus mode; and a user operation device, configured to communicate with the host device via a digital bus interface and provided with various interfaces and control units; wherein the host device comprises: a Media Access Control, MAC, layer frame processing unit configured to distinguish and separate a digital bus signal frame from an Ethernet frame; a communication module, which is connected to the MAC layer frame processing unit via a computer bus, and is configured for protocol conversion of information, to communicate with the external network; a main processing board, which is provided with a Central Processing Unit, CPU, and is configured for information processing, control signal generating, and authenticating and authorizing to allocate addresses to the information household appliances; a computer bus and logical signal adaptation unit, which is connected to the main processing board and a first power line carrier modulation and demodulation unit, and is configured for conversion between a logical signal and a digital bus signal, caching the digital bus signal after the conversion, and decoding signals; a first power line carrier modulation and demodulation unit, which is connected to the computer bus and logical signal adaptation unit, and is configured for conversion between a power line carrier signal and the logical signal and transmitting a control signal; a first power line carrier filter, which is connected to the first power line carrier modulation and demodulation unit, and is configured for filtering and coupling a power signal to output power and a power line carrier signal; and a communication module, which is connected to the main processing board and the MAC layer frame processing unit via a computer bus, and is configured for protocol conversion of information, to communicate with the external network.