Wireless communication system for wirelessly transmitting and receiving cec message

A wireless communication device of a first wireless communication device for use in a wireless communication system, said wireless communication system including a plurality of wireless communication devices for transmitting and receiving a CEC message specified in an HDMI standard, said plurality of wireless communication devices including said first wireless communication device and a second wireless communication device, said first wireless communication device comprising:

• a CEC controller for generating and outputting a CEC frame including a CEC message;
• a packet controller for generating a wireless data packet including the CEC message in the generated CEC frame;
• and
• a wireless transceiver for wirelessly transmitting a wireless signal including the generated wireless data packet to said second wireless communication device, and for receiving a wireless signal including a wireless receiving response packet and wirelessly transmitted from said second wireless communication device in response to the wireless data packet in the wirelessly-transmitted wireless signal;
• and
• a table including CEC logical addresses of respective devices constituting the wireless communication system;
• wherein a header block of the CEC frame from the CEC controller is inputted to the packet controller, and the packet controller determines whether or not a destination logical address included in the header block is registered in the table, and
• wherein, when the destination logical address is not registered in the table, the packet controller completes a process without outputting a predetermined acknowledge signal to the CEC controller.

A wireless communication system including a plurality of wireless communication devices for transmitting and receiving a CEC message specified in an HDMI standard,

• wherein said plurality of wireless communication devices includes a plurality of first wireless communication devices and a second wireless communication device,
• wherein each of said first wireless communication devices comprises:
• a CEC controller for generating and outputting a CEC frame including a CEC message;
• a packet controller for generating a wireless data packet including the CEC message in the generated CEC frame;
• and
• wireless transceiver for wirelessly transmitting a wireless signal including the generated wireless data packet to said second wireless communication device, and for receiving a wireless signal including a wireless receiving response packet and wirelessly transmitted from said second wireless communication device in response to the wireless data packet in the wirelessly-transmitted wireless signal;
• and
• a table including CEC logical addresses of respective devices constituting the wireless communication system;
• wherein a header block of the CEC frame from the CEC controller is inputted to the packet controller, and the packet controller determines whether or not a destination logical address included in the header block is registered in the table, and
• wherein, when the destination logical address is not registered in the table, the packet controller completes a process without outputting a predetermined acknowledge signal to the CEC controller.

A method of controlling a wireless communication device of a first wireless communication device for a wireless communication system, said wireless communication system including a plurality of wireless communication devices for transmitting and receiving a CEC message specified in an HDMI standard, said plurality of wireless communication devices including said first wireless communication device and a second wireless communication device, the method including the following steps of:

• generating and outputting a CEC frame including a CEC message;
• generating a wireless data packet including the CEC message in the generated CEC frame;
• and
• wirelessly transmitting a wireless signal including the generated wireless data packet to said second wireless communication device, and receiving a wireless signal including a wireless receiving response packet and wirelessly transmitted from said second wireless communication device in response to the wireless data packet in the wirelessly-transmitted wireless signal;
• when a header block of the CEC frame from the CEC controller is inputted, determining whether or not a destination logical address included in the header block is registered in a table including CEC logical addresses of respective devices constituting the wireless communication system, and
• completing a process without outputting a predetermined acknowledge signal when the destination logical address is not registered in the table.

An adapter wireless communication device of a first adapter wireless communication device for use in a wireless communication system, said wireless communication system including a plurality of adapter wireless communication devices for transmitting and receiving a CEC message specified in an HDMI standard and included in a CEC frame generated by an AV device, said plurality of wireless communication devices including said first adapter wireless communication device and a second adapter wireless communication device, said first adapter wireless communication device comprising:

• a controller for generating a wireless data packet including the CEC message in the generated CEC frame:
• a wireless transceiver for wirelessly transmitting a wireless signal including the generated wireless data packet to said second adapter wireless communication device, and for receiving a wireless signal including a wireless receiving response packet and wirelessly transmitted from said second adapter wireless communication device in response to the wireless data packet in the wirelessly-transmitted wireless signal;
• and
• a table including CEC logical addresses of respective devices constituting the wireless communication system;
• wherein a header block of the CEC frame from the AV device is inputted to the controller, and the controller determines whether or not a destination logical address included in the header block is registered in the table, and
• wherein, when the destination logical address is not registered in the table, the controller completes a process without outputting a predetermined acknowledge signal to the AV device.

A wireless communication system including a plurality of adapter wireless communication devices for transmitting and receiving a CEC message specified in an HDMI standard and included in a CEC frame generated by an AV device,

• wherein said plurality of wireless communication devices includes a plurality of first adapter wireless communication devices and a second adapter wireless communication device,
• wherein each of said first adapter wireless communication devices comprises:
• a controller for generating a wireless data packet including the CEC message in the generated CEC frame in the generated CEC frame;
• a wireless transceiver for wirelessly transmitting a wireless signal including the generated wireless data packet to said second adapter wireless communication device, and for receiving a wireless signal including a wireless receiving response packet and wirelessly transmitted from said second adapter wireless communication device in response to the wireless data packet in the wirelessly-transmitted wireless signal;
• and
• a table including CEC logical addresses of respective devices constituting the wireless communication system;
• wherein a header block of the CEC frame from the AV device is inputted to the controller, and the controller determines whether or not a destination logical address included in the header block is registered in the table, and
• wherein, when the destination logical address is not registered in the table, the controller completes a process without outputting a predetermined acknowledge signal to the AV device.

A method of controlling an adapter wireless communication device of a first adapter wireless communication device for use in a wireless communication system, said wireless communication system including a plurality of adapter wireless communication devices for transmitting and receiving a CEC message specified in an HDMI standard and included in a CEC frame generated by an AV device, said plurality of wireless communication devices including said first adapter wireless communication device and a second adapter wireless communication device, the method includes the following steps of:

• generating a wireless data packet including the CEC message in the generated CEC frame:
• wirelessly transmitting a wireless signal including the generated wireless data packet to said second adapter wireless communication device, and receiving a wireless signal including a wireless receiving response packet and wirelessly transmitted from said second adapter wireless communication device in response to the wireless data packet in the wirelessly-transmitted wireless signal;
• when a header block of the CEC frame from the AV device is inputted, determining whether or not a destination logical addresses included in the header block is registered in a table including CEC logical addresses of respective devices constituting the wireless communication system;
• and
• wherein, when the destination logical address is not registered in the table, completing a process without outputting a predetermined acknowledge signal to the AV device.