Secured communication
View Patent ↗Technologies are generally described for providing secured communications. In some examples, a method performed under control of a first device may include transmitting a jamming signal, receiving a mixed signal that includes the jamming signal and an information signal generated by a second device and obtaining the information signal by eliminating the jamming signal from the mixed signal.
1. A method performed under control of a first device, comprising:
transmitting, by the first device, a jamming signal;
receiving, by the first device, a mixed signal that includes the jamming signal and an information signal generated by a second device; and
obtaining, by the first device, the information signal by eliminating the jamming signal from the mixed signal.
2. The method of claim 1 , further comprising:
identifying, by the first device, the jamming signal before transmitting of the jamming signal.
3. The method of claim 2 , wherein the jamming signal is generated by the first device.
4. The method of claim 2 , wherein the jamming signal is generated by the second device and provided to the first device.
5. The method of claim 1 , wherein the information signal is transmitted from the second device while the jamming signal is transmitted from the first device.
6. The method of claim 1 , wherein a signal power of the jamming signal is controllable by the first device.
7. The method of claim 1 , wherein the obtaining of the information signal is performed based at least in part on adaptive noise canceling.
8. The method of claim 1 , wherein the jamming signal includes a random signal.
9. A first device, comprising:
a jamming signal identifying unit configured to identify a jamming signal;
a transmitting unit configured to transmit the jamming signal;
a receiving unit configured to receive a mixed signal that includes the jamming signal and an information signal, the information signal being generated by a second device; and
a jamming signal canceling unit configured to eliminate the jamming signal from the mixed signal.
10. The first device of claim 9 , wherein the jamming signal is generated by the jamming signal identifying unit.
11. The first device of claim 9 , wherein the jamming signal is generated by the second device and provided to the first device.
12. The first device of claim 9 , wherein the information signal is transmitted from the second device while the jamming signal is transmitted from the first device.
13. The first device of claim 9 , further comprising:
a signal power control unit configured to control a signal power of the jamming signal.
14. The first device of claim 9 , wherein the jamming signal canceling unit eliminates the jamming signal from the mixed signal based at least in part on adaptive noise canceling.
15. The first device of claim 9 , wherein the jamming signal includes a random signal.
16. A non-transitory computer-readable storage medium having stored thereon computer-executable instructions that, in response to execution, cause a first device to perform operations comprising:
transmitting, by the first device, a jamming signal;
receiving, by the first device, a mixed signal that includes the jamming signal and an information signal generated by a second device; and
obtaining, by the first device, the information signal by eliminating the jamming signal from the mixed signal.
17. The non-transitory computer-readable storage medium of claim 16 , wherein the operations further comprise:
identifying, by the first device, the jamming signal before transmitting of the jamming signal.
18. The non-transitory computer-readable storage medium of claim 17 , wherein the jamming signal is generated by the first device.
19. The non-transitory computer-readable storage medium of claim 16 , wherein the information signal is transmitted from the second device while the jamming signal is transmitted from the first device.
20. The non-transitory computer-readable storage medium of claim 16 , wherein the operations further comprise:
controlling, by the first device, a signal power of the jamming signal.
21. The method of claim 1 , wherein the jamming signal is generated by the second device and provided to the first device.
22. The method of claim 1 , further comprising:
assigning, by the first device, an identifier to the jamming signal before transmitting of the jamming signal; and
storing, by the first device, the identifier in the first device.
23. The non-transitory computer-readable storage medium of claim 16 , wherein the operations further comprise:
assigning, by the first device, an identifier to the jamming signal before transmitting of the jamming signal; and
storing, by the first device, the identifier in the first device.
24. A first device, comprising:
a jamming signal identifying unit configured to assign an identifier to a jamming signal and to store the identifier in the first device;
a transmitting unit configured to transmit the jamming signal;
a receiving unit configured to receive a mixed signal that includes the jamming signal and an information signal, the information signal being generated by a second device; and
a jamming signal canceling unit configured to eliminate the jamming signal from the mixed signal.
25. The first device of claim 24 , wherein the information signal is transmitted from the second device while the jamming signal is transmitted from the first device.
26. The first device of claim 24 , wherein the jamming signal canceling unit eliminates the jamming signal from the mixed signal based at least in part on adaptive noise canceling.