Directional wireless power and wireless data communication
Methods and apparatus are disclosed of a wireless power transmission system (WPTS) and wireless power receiver client (WPRC). The WPTS may directionally transmit wireless power to a first WPRC while concurrently directionally transmitting wireless data to at least a second WPRC. The WPTS and WPRC may reuse circuitry configured to transmit/receive wireless power to also transmit/receive wireless data.
1. A wireless power receiver client (WPRC) comprising:
a wireless transmitter configured to transmit a first wireless beacon, wherein the first wireless beacon includes a first in-phase component and a first quadrature-phase component; and
a wireless receiver configured to receive wireless data from a wireless transmission system, wherein the wireless data is directionally focused at a location of the WPRC;
wherein the wireless data is received as part of a sum transmission from the wireless transmission system, wherein the sum transmission includes a sum in-phase component and a sum quadrature-phase component, wherein the sum in-phase component is based in-part on an in-phase component of a complex conjugate of the first wireless beacon, and wherein the sum quadrature-phase component is based in-part on a quadrature-phase component of the complex conjugate of the first wireless beacon.
2. The WPRC of claim 1 , wherein:
the sum in-phase component is further based on a sum of an in-phase component of a complex conjugate of a second wireless beacon and the in-phase component of the complex conjugate of the first wireless beacon; and
the sum quadrature-phase component is further based on a sum of a quadrature-phase component of a complex conjugate of the second wireless beacon and the quadrature-phase component of the complex conjugate of the first wireless beacon.
3. The WPRC of claim 2 , wherein the second wireless beacon is from a second WPRC.
4. The WPRC of claim 3 , wherein the wireless data directionally focused at the location of the WPRC is received simultaneously to wireless power directionally focused at a location of the second WPRC being received by the second WPRC.
5. The WPRC of claim 4 , wherein the wireless power is part of the sum transmission based at least in part on the in-phase component of the complex conjugate of the second wireless beacon and the quadrature-phase component of the complex conjugate of the second wireless beacon.
6. The WPRC of claim 5 , wherein a power level of the wireless power directionally focused at the location of the second WPRC is different than a power level of the wireless data directionally focused at the location of the WPRC.
7. The WPRC of claim 6 , wherein the power level of the wireless data is less than the power level of the wireless power.
8. A method performed by a wireless power receiver client (WPRC), the method comprising:
transmitting a first wireless beacon, wherein the first wireless beacon includes a first in-phase component and a first quadrature-phase component; and
receiving wireless data from a wireless transmission system, wherein the wireless data is directionally focused at a location of the WPRC;
wherein the wireless data is received as part of a sum transmission from the wireless transmission system, wherein the sum transmission includes a sum in-phase component and a sum quadrature-phase component, wherein the sum in-phase component is based in-part on an in-phase component of a complex conjugate of the first wireless beacon, and wherein the sum quadrature-phase component is based in-part on a quadrature-phase component of the complex conjugate of the first wireless beacon.
9. The method of claim 8 , wherein:
the sum in-phase component is further based on a sum of an in-phase component of a complex conjugate of a second wireless beacon and the in-phase component of the complex conjugate of the first wireless beacon; and
the sum quadrature-phase component is further based on a sum of a quadrature-phase component of a complex conjugate of the second wireless beacon and the quadrature-phase component of the complex conjugate of the first wireless beacon.
10. The method of claim 9 , wherein the second wireless beacon is from a second WPRC.
11. The method of claim 10 , wherein the wireless data directionally focused at the location of the WPRC is received simultaneously to wireless power directionally focused at a location of the second WPRC being received by the second WPRC.
12. The method of claim 11 , wherein the wireless power is part of the sum transmission based at least in part on the in-phase component of the complex conjugate of the second wireless beacon and the quadrature-phase component of the complex conjugate of the second wireless beacon.
13. The method of claim 12 , wherein a power level of the wireless power directionally focused at the location of the second WPRC is different than a power level of the wireless data directionally focused at the location of the WPRC.
14. The method of claim 13 , wherein the power level of the wireless data is less than the power level of the wireless power.
15. A non-transitory computer-readable storage medium storing instructions thereon for execution by at least one processor, the instructions comprising:
first instructions for transmitting a first wireless beacon, wherein the first wireless beacon includes a first in-phase component and a first quadrature-phase component; and
second instructions for receiving wireless data from a wireless transmission system, wherein the wireless data is directionally focused at a first location;
wherein the wireless data is received as part of a sum transmission from the wireless transmission system, wherein the sum transmission includes a sum in-phase component and a sum quadrature-phase component, wherein the sum in-phase component is based in-part on an in-phase component of a complex conjugate of the first wireless beacon, and wherein the sum quadrature-phase component is based in-part on a quadrature-phase component of the complex conjugate of the first wireless beacon.
16. The non-transitory computer-readable storage medium of claim 15 , wherein:
the sum in-phase component is further based on a sum of an in-phase component of a complex conjugate of a second wireless beacon and the in-phase component of the complex conjugate of the first wireless beacon; and
the sum quadrature-phase component is further based on a sum of a quadrature-phase component of a complex conjugate of the second wireless beacon and the quadrature-phase component of the complex conjugate of the first wireless beacon.
17. The non-transitory computer-readable storage medium of claim 16 , wherein the second wireless beacon is from a second wireless power receiver client (WPRC).
18. The non-transitory computer-readable storage medium of claim 17 , wherein the wireless data directionally focused at the first location is received simultaneously to wireless power directionally focused at a location of the second WPRC being received by the second WPRC.
19. The non-transitory computer-readable storage medium of claim 18 , wherein the wireless power is part of the sum transmission based at least in part on the in-phase component of the complex conjugate of the second wireless beacon and the quadrature-phase component of the complex conjugate of the second wireless beacon.
20. The non-transitory computer-readable storage medium of claim 19 , wherein a power level of the wireless power directionally focused at the location of the second WPRC is greater than a power level of the wireless data directionally focused at the first location.