Millimeter wave communications through obstructions
Apparatuses, systems, and methods that allow millimeter-wave communication signals to pass efficiently and reliably through obstructions are disclosed. An apparatus includes a first wireless transceiver and a first phased array antenna coupled to the first wireless transceiver. A second phased array antenna is also coupled to the first wireless transceiver. The apparatus additionally includes a second wireless transceiver and a third phased array antenna coupled to the second wireless transceiver. The third phased array antenna is adapted to emit a third millimeter wave beam through an obstruction. A fourth phased array antenna is also coupled to the second wireless transceiver. The fourth phased array antenna is adapted to receive a fourth millimeter wave beam through the obstruction. A controller is included in the apparatus for managing data transfer between the first wireless transceiver and the second wireless transceiver so that a fully duplexed communication path is available between the antennas.
1. An apparatus, comprising:
a panel having a first side opposing a second side;
a first millimeter wave transmitter circuit mounted to the panel;
a first phased array antenna mounted on the first side of the panel and operatively coupled to the first millimeter wave transmitter circuit, adapted to emit a first millimeter wave beam within a first frequency band;
a first millimeter wave receiver circuit mounted to the panel;
a second phased array antenna mounted on the first side of the panel and operatively coupled to the first millimeter wave receiver circuit, adapted to receive a second millimeter wave beam within a second frequency band;
a second millimeter wave transmitter circuit mounted to the panel;
a third phased array antenna mounted on the second side of the panel and operatively coupled to the second millimeter wave transmitter circuit, adapted to emit a third millimeter wave beam through an obstruction, the third millimeter wave beam within the second frequency band;
a second millimeter wave receiver circuit mounted to the panel;
a fourth phased array antenna mounted on the second side of the panel and operatively coupled to the second millimeter wave receiver circuit, adapted to receive a fourth millimeter wave beam through the obstruction, the fourth millimeter wave beam within the first frequency band; and
at least one controller adapted to transfer data between the second millimeter wave receiver circuit and the first millimeter wave transmitter circuit and to transfer data between the first millimeter wave receiver circuit the second millimeter wave transmitter circuit;
wherein the first frequency band and the second frequency band are each above 30 GHz.
2. The apparatus of claim 1 , wherein the panel includes means for mounting the panel to a wall.
3. The apparatus of claim 1 , wherein the panel is substantially flat.
4. The apparatus of claim 1 , further comprising:
a wireless transceiver, operatively coupled to the controller, configured to communicate with one or more terminal devices.
5. The apparatus of claim 4 , further comprising a packet manager adapted to manage data transfer between the controller and the wireless transceiver.
6. The apparatus of claim 1 , further comprising an attenuator adapted to attenuate millimeter wave signals.
7. The apparatus of claim 1 , further comprising a reflector adapted to reflect millimeter wave signals.
8. The apparatus of claim 1 , further comprising control circuitry adapted to set beamforming parameters for at least one of the first, second, third, and fourth phased array antennas.
9. The apparatus of claim 1 , further comprising power-over-Ethernet (POE) circuitry adapted to provide power to the apparatus.
10. A system, comprising:
a first panel having a first side opposing a second side;
a first wireless transceiver mounted to the first panel;
a first phased array antenna, operatively coupled to the first wireless transceiver and mounted to the first side of the first panel, the first phased array antenna adapted to emit a first millimeter wave beam;
a second phased array antenna, operatively coupled to the first wireless transceiver and mounted to the first side of the first panel, the second phased array antenna adapted to receive a second millimeter wave beam;
a second wireless transceiver mounted to the first panel;
a third phased array antenna, operatively coupled to the second wireless transceiver and mounted to the second side of the first panel, the third phased array antenna adapted to emit a third millimeter wave beam;
a fourth phased array antenna, operatively coupled to the second wireless transceiver and mounted to the second side of the first panel, the fourth phased array antenna adapted to receive a fourth millimeter wave beam;
a second panel, not attached to the first panel, having a first side opposing a second side;
a third wireless transceiver mounted to the second panel;
a fifth phased array antenna, operatively coupled to the third wireless transceiver and mounted to the first side of the second panel, the fifth phased array antenna adapted to emit a fifth millimeter wave beam;
a sixth phased array antenna, operatively coupled to the third wireless transceiver and mounted to the first side of the second panel, the sixth phased array antenna adapted to receive a second millimeter wave;
a fourth wireless transceiver mounted to the second panel;
a seventh phased array antenna, operatively coupled to the fourth wireless transceiver and mounted to the second side of the second panel, the seventh phased array antenna adapted to emit the fourth millimeter wave beam; and
an eighth phased array antenna, operatively coupled to the fourth wireless transceiver and mounted to the second side of the second panel, the eighth phased array antenna adapted to receive the third millimeter wave beam.
11. The system of claim 10 , wherein the first panel and the second panel are each substantially flat.
12. The system of claim 10 , wherein the first panel includes means for mounting the first panel to a first side of a wall, and the second panel includes means for mounting the second panel to a second side of the wall.
13. The system of claim 10 , further comprising means for aligning the first panel with the second panel.
14. The system of claim 10 , further comprising:
a fifth wireless transceiver mounted to the second panel;
a first antenna, operatively coupled to the fifth wireless transceiver, adapted to emit a first wireless signal; and
a second antenna, operatively coupled to the fifth wireless transceiver, adapted to receive a second wireless signal.
15. The system of claim 10 , further comprising:
a first controller, mounted to the first panel, adapted to manage data transfer between the first wireless transceiver and the second wireless transceiver.
16. The system of claim 15 , further comprising:
a second controller, mounted to the second panel, adapted to manage data transfer between the third wireless transceiver and the fourth wireless transceiver.
17. A method of wireless communication, comprising:
receiving at a first phased array antenna a first millimeter wave beam carrying data, the first phased array antenna mounted on a first side of a first panel;
transferring the data through a first transceiver to a second phased array antenna mounted on a second side of the first panel;
transmitting through an obstruction, using the second phased array antenna, a second millimeter wave beam carrying the data;
receiving the second millimeter wave beam at a third phased array antenna located at an opposite side of the obstruction from the second phased array antenna the third phased array antenna mounted on a first side of a second panel;
transferring the data through a second transceiver to a fourth phased array antenna mounted on a second side of the second panel; and
transmitting from the fourth phased array antenna, a third millimeter wave beam carrying the data;
wherein the first millimeter wave beam, the second millimeter wave beam, and the third millimeter wave beam are each above 30 GHz.
18. The method of claim 17 , further comprising: setting beamforming parameters for at least one of the first, second, third, and fourth phased array antennas.
19. The method of claim 17 , further comprising:
aligning the second phased array antenna with the third phased array antenna.