WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION METHOD, AND WIRELESS COMMUNICATION SYSTEM
The present disclosure relates to a wireless communication device, a wireless communication method, and a wireless communication system which perform communication between a plurality of wireless communication modules. A wireless communication device of the present disclosure includes a plurality of wireless communication modules including a signal reception unit, an access control unit, and a signal transmission unit, in which: the signal reception unit receives a wireless communication signal; the access control unit performs determination of carrier sensing not only for a channel of occupied frequencies, but also for an adjacent channel; and the signal transmission unit performs wireless transmission based on the determination.
1 . A wireless communication device comprising
a plurality of wireless communication modules including a signal receptor, an access control circuitry, and a signal transmitter, wherein:
the signal receptor receives a wireless communication signal;
the access control circuitry performs determination of carrier sensing not only for a channel of occupied frequencies, but also for an adjacent channel; and
the signal transmitter performs wireless transmission based on the determination.
2 . The wireless communication device according to claim 1 , wherein
the access control circuitry changes a carrier sensing threshold between the channel of the occupied frequencies and the adjacent channel.
3 . The wireless communication device according to claim 1 , wherein the access control circuitry
detects a reception state of another wireless communication module, and
changes the determination based on the reception state.
4 . The wireless communication device according to claim 1 , wherein:
the wireless communication signal has a COLOR field; and
the access control circuitry changes a carrier sensing threshold based on a value of the COLOR field.
5 . The wireless communication device according to claim 1 , wherein the wireless communication module includes a reception filter covering the channel of the occupied frequencies and the adjacent channel.
6 . A wireless communication method, wherein
a plurality of wireless communication modules performs receiving a wireless communication signal,
determination of carrier sensing not only for a channel of occupied frequencies, but also for an adjacent channel, and
wireless communication based on a result of the determination processing.
7 . A wireless communication system comprising:
a plurality of signal receptors that receives a wireless communication signal;
a plurality of access control circuitry that performs determination of carrier sensing not only for a channel of occupied frequencies, but also for an adjacent channel; and
a plurality of signal transmitters that performs or stops wireless communication based on the determination.