System and method of high-speed wireless communications using reflected laser light
Disclosed is a drone-assisted and non-drone assisted NLoS-FSOC network and method for high-speed communications in disaster-struck areas or where there is little or no communications. NLoS-FSOC uses a diffuse reflector that is in LoS of a transmitter and receiver for establishing a broadcast optical channel. NLoS-FSOC establishes uplink and downlink transmissions. The present disclosure services at least 130% more stations and provides at least 100% more aggregated downlink data rates than drone-assisted than RF-based schemes. It also consumes 116 times less energy compared to RF-based schemes by using high-bandwidth optical signals and coherent light of laser light in NLoS-FSOC, optical broadcast channel use, and drone or non-drone front-haul diffuse reflection placement. The present disclosure is used autonomously or in combination with other systems such as RF schemes for a more robust solution to RF schemes alone.
1 . A network system to provide high-bandwidth wireless communication, comprising:
an optical base station having a diffuse reflector;
one or more receiving stations for receiving and transmitting a high bandwidth wireless signal to the optical base station using nondirect line-of-sight free space optical communication (NLoS-FSOC); and
a relay in communication with the optical base station and the one or more receiving stations to form a network,
wherein the one or more receiving stations communicate with the relay via a first NLoS-FSOC link, and the relay communicates with the optical base station via a second NLoS-FSOC link
further comprising a modulator at the optical base station and a plurality of antennas, the modulator and plurality of antennas providing for communications at tens of gigabits per second.
2 . A method for high-speed communications, comprising:
providing a relay configured for NLoS-FSOC;
communicating between the relay and one or more receiving stations using a first NLoS-FSOC link; and
communicating between the relay and an optical base station using a second NLoS-FSOC link,
wherein the relay is either a drone having a diffuse reflector or an object having diffuse reflector material,
wherein the relay is the drone and the method further includes:
flying the drone to a geographical point; and
transmitting and receiving a signal whether the drone is still flying or landed, and wherein the drone projects light to the diffuse reflector to generate a transmission from the drone to one or more of the receiving stations.
3 . A method for high-speed communications, comprising:
providing a relay configured for NLoS-FSOC;
communicating between the relay and one or more receiving stations using a first NLoS-FSOC link; and
communicating between the relay and an optical base station using a second NLoS-FSOC link,
wherein the step of providing a relay comprises providing at least one drone as the relay, and
wherein the drone has one or more diffuse reflectors and wherein the drone projects a light beam to the one or more diffuse reflectors to generate a transmission to one or more of the receiving stations or to the optical base station.