Transmission device, reception device, communication system, transmission method, reception method, and communication method
AssigneePanasonic Intellectual Property Corporation of America
InventorYutaka MURAKAMI
Life of this patent
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Abstract
Provided is a device, which is a transmission device that can improve performance, that includes: a light source; and a transmitter that generates a modulated signal based on an input signal and transmits the modulated signal from the light source as visible light by changing a luminance of the light source in accordance with the modulated signal. The transmitter includes, in the modulated signal, a plurality of items of information related to service set identifiers (SSIDs) of a plurality of mutually different access points in a wireless local area network (LAN), and transmits the modulated signal from the light source.
Claims3
1-16. (canceled)
A receiving method comprising:
- receiving a light signal transmitted from a light transmission device;
- demodulating the light signal to obtain an access information for a map data and an identifier of the light transmission device;
- and
- obtaining the map data based on the access information, wherein
- the map data including a location of the light transmission device and the identifier of the light transmission device.
A receiving apparatus comprising:
- a light signal receiver that receives a light signal transmitted from a light transmission device and demodulates the light signal to obtain an access information for a map data and an identifier of the light transmission device;
- and
- a processor that obtains the map data based on the access information, wherein
- the map data including a location of the light transmission device and the identifier of the light transmission device.
Dependencies are inferred from the claim text.