Device with radio and body-coupled-communication connectivity
View Patent ↗A device is equipped with one or more communication modules supporting communication on the basis of radio signals and communication on the basis of body-coupled communication signals. Further, the device is equipped with an antenna for transmission of the radio signals. The antenna is further operable to transfer the body-coupled communication signals between the device and a body of a user of the device.
1. A device, comprising:
at least one communication module supporting communication on the basis of radio signals and communication on the basis of body-coupled-communication signals,
an antenna for transmission of the radio signals, and
a frequency selective element connected between the antenna and the at least one communication module, the frequency selective element providing a first signal path in a first frequency range corresponding to the radio signals and a second signal path in a second frequency range corresponding to the body-coupled-communication signals, wherein the first signal path has a high-pass filter characteristic and the second signal path has a low-pass filter characteristic,
wherein the antenna is further operable to transfer the body-coupled-communication signals between the device and a body of a user of the device and wherein the transmission of the radio signals and the transfer of the body-coupled-communication signals by the antenna occur simultaneously.
2. The device according to claim 1 ,
wherein the first frequency range is above 500 MHz and the second frequency range is below 50 MHz.
3. The device according to claim 1 ,
wherein the antenna and the frequency selective element are formed on the same printed circuit board.
4. The device according to claim 1 ,
wherein the antenna is of an L-type.
5. The device according to claim 1 ,
wherein the antenna is of an F-type.
6. The device according to claim 5 ,
wherein a frequency selective element is connected between a feed connection of the antenna and the at least one communication module.
7. The device according to claim 5 ,
wherein a first signal path of a frequency selective element is connected between a grounding connection of the antenna and a grounding point, and
wherein a second signal path of the frequency selective element is connected between the grounding connection of the antenna and the at least one communication module.
8. The device according to claim 1 ,
wherein the frequency selective element is connected between a feed connection of the antenna and the at least one communication module.
9. The device according to claim 8 , comprising:
a capacitor connected between a grounding connection of the antenna and a grounding point.
10. The device according to claim 9 ,
wherein the first signal path of the frequency selective element is connected between a grounding point and a grounding connection of a parasitic element of the antenna, and
wherein the second signal path of the frequency selective element is connected between the grounding connection of the parasitic element and the at least one communication module.
11. The device according to claim 1 ,
wherein the first signal path of the frequency selective element is connected between a grounding connection of the antenna and a grounding point, and
wherein the second signal path of the frequency selective element is connected between the grounding connection of the antenna and the at least one communication module.
12. The device according to claim 11 , comprising:
a capacitor connected between a feed connection of the antenna and the at least one communication module.
13. The device according to claim 1 ,
wherein the antenna is of a capacitively and/or inductively fed type.
14. The device according to claim 1 ,
wherein the first signal path of the frequency selective element is connected between a grounding point and a grounding connection of a parasitic element of the antenna, and
wherein the second signal path of the frequency selective element is connected between the grounding connection of the parasitic element and the at least one communication module.
15. The device according to claim 1 ,
wherein the radio signals are based on a cellular radio technology.
16. The device according to claim 1 ,
wherein the radio signals are based on a wireless local area network technology.
17. The device according to claim 1 ,
wherein the radio signals are based on a wireless personal area network radio technology.
18. The device according to claim 1 ,
wherein the radio signals are based on a satellite navigation technology.
19. A method, comprising:
a device communicating data on the basis of radio signals via an antenna of the device;
the device communicating data on the basis of body-coupled-communication signals which are transferred via the antenna between the device and a body of a user of the device and wherein the transmission of the radio signals and the transfer of the body-coupled-communication signals by the antenna occur simultaneously;
providing a first signal path to the antenna, the first signal path being frequency selective in a first frequency range corresponding to the radio signals; and
providing a second signal path to the antenna, the second signal path being frequency selective in a second frequency range corresponding to the body-coupled-communication signals,
wherein the first signal path has a high-pass filter characteristic and the second signal path has a low-pass filter characteristic.
20. The method according to claim 19 ,
wherein the first frequency range is above 500 MHz and the second frequency range is below 50 MHz.
21. The method according to claim 19 ,
wherein the radio signals are based on a cellular radio technology.
22. The method according to claim 19 ,
wherein the radio signals are based on a wireless local area network technology.
23. The method according to claim 19 ,
wherein the radio signals are based on a wireless personal area network radio technology.
24. The method according to claim 19 ,
wherein the radio signals are based on a satellite navigation technology.