Methods, devices, and systems for timing and bandwidth management of ultra-wideband, wireless communication channels
Disclosed herein are methods, devices, and systems for providing timing and bandwidth management of ultra-wideband, wireless data channels (including radio frequency and wireless optical data channels). According to one embodiment, a hub apparatus is disclosed for providing out-of-band bandwidth management for a free-space-optical (FSO) data channel associated with a first device. The hub apparatus includes a processor, a memory coupled with the processor, an FSO transmitter coupled with the processor, and an FSO receiver coupled with the processor. The FSO transmitter may be configured to transmit a control signal comprising timing information and bandwidth management information.
1. A hub apparatus for providing out-of-band management for a bi-directional free-space-optical (FSO) data channel associated with a first device and a second device, the hub apparatus comprising:
a processor;
a memory coupled with the processor;
an FSO hub transmitter coupled with the processor; and
an FSO hub receiver coupled with the processor, wherein:
the FSO hub receiver is configured for:
receiving a first signal from the first device;
receiving a second signal from the second device; and
detecting a collision of the first signal and the second signal based on a width of a first received pulse;
the first received pulse is a combination of the first signal and the second signal;
the first signal is a synchronized signal;
the second signal is a non-synchronized signal;
the first signal and the second signal are received on a bi-directional FSO control channel;
the FSO hub transmitter is configured for transmitting a system identifier signal to the first device; and
the first signal is transmitted from the first device based on receiving the system identifier signal.
2. The hub apparatus of claim 1 , wherein the first signal includes a first device identifier.
3. The hub apparatus of claim 1 , wherein the first signal includes a first plurality of orthogonal codes and the second signal includes a second plurality of orthogonal codes.
4. A hub apparatus for providing out-of-band management for a bi-directional free-space-optical (FSO) data channel associated with a first device and a second device, the hub apparatus comprising:
a processor;
a memory coupled with the processor;
an FSO hub transmitter coupled with the processor; and
an FSO hub receiver coupled with the processor, wherein:
the FSO hub receiver is configured for:
receiving a first signal from the first device;
receiving a second signal from the second device; and
detecting a collision of the first signal and the second signal based on a width of a first received pulse;
the first received pulse is a combination of the first signal and the second signal;
the first signal is a synchronized signal;
the second signal is a non-synchronized signal;
the first signal and the second signal are received on a bi-directional FSO control channel;
the FSO hub transmitter is configured to transmit a control signal comprising timing information and bandwidth management information to the first device; and
the first device is configured to transmit the first signal based on the timing information and the bandwidth management information.
5. The hub apparatus of claim 4 , wherein the timing information is determined based on opportunistic scheduling.
6. The hub apparatus of claim 4 , wherein the control signal further comprises a plurality of optical pulses and each optical pulse provides a portion of the timing information and a portion of the bandwidth management information.
7. The hub apparatus of claim 4 , wherein the bi-directional FSO data channel is a time division multiplexed (TDM) data channel comprising a plurality of time slots.
8. The hub apparatus of claim 7 , wherein the control signal is formatted to assign at least one time slot to the first device for transmission.
9. The hub apparatus of claim 4 , wherein the FSO hub transmitter is further configured for transmitting the control signal to the first device using a Multi-Input, Multi-Output (MIMO) configuration.
10. The hub apparatus of claim 9 , wherein the MIMO configuration comprises multiple rays of a same wavelength.
11. The hub apparatus of claim 9 , wherein the MIMO configuration comprises a plurality of rays having a plurality of distinct wavelengths.
12. The hub apparatus of claim 4 , wherein the first device is configured to communicate with the second device based on the timing information and the bandwidth management information.
13. The hub apparatus of claim 4 , wherein the first device is configured to communicate with the second device distinct from the hub apparatus based on the timing information and the bandwidth management information.
14. A hub apparatus for providing out-of-band management for a bi-directional free-space-optical (FSO) data channel associated with a first device and a second device, the hub apparatus comprising:
a processor;
a memory coupled with the processor;
an FSO hub transmitter coupled with the processor; and
an FSO hub receiver coupled with the processor, wherein:
the FSO hub receiver is configured for:
receiving a first signal from the first device;
receiving a second signal from the second device; and
detecting a collision of the first signal and the second signal based on a width of a first received pulse;
the first received pulse is a combination of the first signal and the second signal;
the first signal is a synchronized signal;
the second signal is a non-synchronized signal;
the first signal and the second signal are received on a bi-directional FSO control channel; and
the bi-directional FSO control channel is distinct from the bi-directional FSO data channel.
15. A method implemented on a hub apparatus for providing management for a bi-directional free-space-optical (FSO) data channel associated with a first device and a second device, the hub apparatus comprising a processor, a memory coupled with the processor, an FSO hub transmitter coupled with the processor; and an FSO hub receiver coupled with the processor; the method comprising:
receiving a first signal from the first device using the FSO hub receiver;
receiving a second signal from the second device using the FSO hub receiver; and
detecting a collision of the first signal and the second signal based on a width of a first received pulse, wherein:
the first received pulse is a combination of the first signal and the second signal;
the first signal is a synchronized signal;
the second signal is a non-synchronized signal;
the first signal and the second signal are received on a bi-directional FSO control channel;
the FSO hub transmitter is configured for transmitting a system identifier signal to the first device; and
the first signal is transmitted from the first device based on receiving the system identifier signal.
16. A method implemented on a hub apparatus for providing management for a bi-directional free-space-optical (FSO) data channel associated with a first device and a second device, the hub apparatus comprising a processor, a memory coupled with the processor, an FSO hub transmitter coupled with the processor; and an FSO hub receiver coupled with the processor; the method comprising:
receiving a first signal from the first device using the FSO hub receiver;
receiving a second signal from the second device using the FSO hub receiver; and
detecting a collision of the first signal and the second signal based on a width of a first received pulse, wherein:
the first received pulse is a combination of the first signal and the second signal;
the first signal is a synchronized signal;
the second signal is a non-synchronized signal;
the first signal and the second signal are received on a bi-directional FSO control channel;
the FSO hub transmitter is configured to transmit a control signal comprising timing information and bandwidth management information to the first device; and
the first device is configured to transmit the first signal based on the timing information and the bandwidth management information.
17. A method implemented on a hub apparatus for providing management for a bi-directional free-space-optical (FSO) data channel associated with a first device and a second device, the hub apparatus comprising a processor, a memory coupled with the processor, an FSO hub transmitter coupled with the processor; and an FSO hub receiver coupled with the processor; the method comprising:
receiving a first signal from the first device using the FSO hub receiver;
receiving a second signal from the second device using the FSO hub receiver; and
detecting a collision of the first signal and the second signal based on a width of a first received pulse, wherein:
the first received pulse is a combination of the first signal and the second signal;
the first signal is a synchronized signal;
the second signal is a non-synchronized signal;
the first signal and the second signal are received on a bi-directional FSO control channel; and
the bi-directional FSO control channel is distinct from the bi-directional FSO data channel.