Devices, methods, and systems with dynamic spectrum sharing
Devices, methods, and systems with dynamic spectrum sharing. In one embodiment, a wireless communication device includes a software-defined radio, a spectrum sensing sub-system, a memory, and an electronic processor. The software-defined radio is configured to generate an input signal, and wirelessly communicate with one or more radio nodes using a traffic data channel and a broadcast control channel. The spectrum sensing sub-system is configured to sense local spectrum information from the input signal. The electronic processor is communicatively connected to the memory and the spectrum sensing sub-system and is configured to receive the local spectrum information from the spectrum sensing sub-system, receive spectrum information from the one or more radio nodes, and allocate resources for the traffic data channel based on the local spectrum information and the spectrum information that is received from the one or more radio nodes.
1. A wireless communication device comprising:
a software-defined radio configured to
generate an input signal, and
wirelessly communicate with a plurality of radio nodes using a traffic data channel and a broadcast control channel, wherein the plurality of radio nodes form a wireless mesh network;
a spectrum sensing sub-system configured to sense local spectrum information from the input signal;
a memory; and
an electronic processor communicatively connected to the memory and the spectrum sensing sub-system, the electronic processor configured to
receive the local spectrum information from the spectrum sensing sub-system,
receive spectrum information from the plurality of radio nodes, and
allocate resources for the traffic data channel based on the local spectrum information and the spectrum information that is received from the plurality of radio nodes,
wherein, to allocate the resources for the traffic data channel, the electronic processor is further configured to
generate a spectrum information composite from the local spectrum information and the spectrum information that is received from the plurality of radio nodes,
determine whether spectrum is available for transmission of data on the traffic data channel based on the spectrum information composite,
control the software-defined radio to transmit the data on the traffic data channel using the spectrum that is available for the transmission of the data, and
generate control signal information in a transmit broadcast control channel for the data transmitted on the traffic data channel.
2. The wireless communication device of claim 1 , wherein, to receive the spectrum information from the plurality of radio nodes, the electronic processor is further configured to receive the spectrum information from the plurality of radio nodes via the broadcast control channel.
3. The wireless communication device of claim 1 , wherein the electronic processor is further configured to control the software-defined radio to broadcast the spectrum information from the spectrum sensing sub-system to the plurality of radio nodes via the broadcast control channel.
4. The wireless communication device of claim 1 , wherein, to allocate the resources for the traffic data channel, the electronic processor is further configured to control the software-defined radio to not transmit the data on the traffic data channel when the spectrum is not available for the transmission of the data.
5. A dynamic spectrum sharing method, the method comprising:
receiving, with an electronic processor, local spectrum information from a spectrum sensing sub-system;
receiving, with the electronic processor, spectrum information from a plurality of radio nodes, wherein the plurality of radio nodes form a wireless mesh network; and
allocating, with the electronic processor, resources for a traffic data channel based at least in part on the local spectrum information and the spectrum information that is received from the plurality of radio nodes,
wherein allocating the resources for the traffic data channel further includes
generating a spectrum information composite from the local spectrum information and the spectrum information that is received from the plurality of radio nodes,
determining whether spectrum is available for transmission of data on the traffic data channel based on the spectrum information composite,
controlling a software-defined radio to transmit the data on the traffic data channel using the spectrum that is available for the transmission of the data.
6. The method of claim 5 , further comprising controlling, with the electronic processor, a software-defined radio to broadcast the local spectrum information to the plurality of radio nodes via a broadcast control channel.
7. The method of claim 5 , wherein receiving the spectrum information from the plurality of radio nodes further includes receiving the spectrum information from the plurality of radio nodes via a broadcast control channel.
8. The method of claim 5 , wherein allocating the resources for the traffic data channel further includes controlling the software-defined radio to not transmit the data on the traffic data channel when the spectrum is not available for the transmission of the data.
9. A wireless communication system comprising:
a plurality of radio nodes forming a wireless mesh network, at least two of the plurality of radio nodes including
a software-defined radio configured to
generate an input signal, and
wirelessly communicate with one or more radio nodes of the plurality of radio nodes using a traffic data channel and a broadcast control channel;
a spectrum sensing sub-system configured to sense local spectrum information from the input signal;
a memory; and
an electronic processor communicatively connected to the memory and the spectrum sensing sub-system, the electronic processor configured to
receive the local spectrum information from the spectrum sensing sub-system,
receive spectrum information from the one or more radio nodes, and
allocate resources for the traffic data channel based on the local spectrum information and the spectrum information that is received from the one or more radio nodes,
wherein, to allocate the resources for the traffic data channel, the electronic processor is further configured to
generate a spectrum information composite from the local spectrum information and the spectrum information that is received from the one or more radio nodes,
determine whether spectrum is available for transmission of data on the traffic data channel based on the spectrum information composite,
control the software-defined radio to transmit the data on the traffic data channel using the spectrum that is available for the transmission of the data, and
generate control signal information in a transmit broadcast control channel for the data transmitted on the traffic data channel.
10. The wireless communication system of claim 9 , wherein, to receive the spectrum information from the one or more radio nodes, the electronic processor is further configured to receive the spectrum information from the one or more radio nodes via the broadcast control channel.
11. The wireless communication system of claim 9 , wherein the electronic processor is further configured to control the software-defined radio to broadcast the spectrum information from the spectrum sensing sub-system to the one or more radio nodes via the broadcast control channel.
12. The wireless communication system of claim 9 , wherein, to allocate the resources for the traffic data channel, the electronic processor is further configured to control the software-defined radio to not transmit the data on the traffic data channel when the spectrum is not available for the transmission of the data.
13. A dynamic spectrum sharing method, the method comprising:
generating spectrum information at each radio node of a plurality of radio nodes forming a wireless mesh network;
broadcasting the spectrum information that is generated by the each radio node of the plurality of radio nodes over a broadcast control channel;
receiving the spectrum information that is broadcast over the broadcast control channel at the each radio node of the plurality of radio nodes; and
allocating resources for a traffic data channel at the each radio node of the plurality of radio nodes based at least in part on the spectrum information that is received,
wherein allocating the resources for the traffic data channel further includes
generating a spectrum information composite from the spectrum information that is received,
determining whether spectrum is available for transmission of data on the traffic data channel based on the spectrum information composite, and
controlling a software-defined radio to transmit the data on the traffic data channel using the spectrum that is available for the transmission of the data.
14. The method of claim 13 , wherein allocating the resources for the traffic data channel further includes controlling the software-defined radio to not transmit the data on the traffic data channel when the spectrum is not available for the transmission of the data.