9 requests for data when the patient 4 wants to look at his vital signs the medical sensor 1 acknowledges this request after proceeding to an authentication process and starts the measurements then the medical sensor 1 starts to stream data to the mobile device 9 if the patient 4 does not want to see his data any more the mobile device 9 sends a request for end of communication the medical sensor 1 acknowledges this request and stops the measurements in order to save energy the medical data is preferably stored in the mobile device 9 and thus can be consulted by the patient 4 itself or by a doctor later according to a fifth preferred embodiment of the invention which can be seen from fig5 a bcc medical data streaming gateway for healthcare at home is provided the patient 4 wears a medical sensor 1 which streams data over the body of the patient 4 this data is received by a mobile device 9 e g a mobile phone a pda with communication capabilities etc which acts as a gateway between the medical sensor 1 and the monitor 3 it forwards the data received via bcc from the medical sensor 1 to the monitor 3 using a rf protocol like e g 802 11 wifi 802 15 4 zigbee bluetooth gsm umts lte etc according to this preferred embodiment of the invention the patient 4 can be monitored at home by a doctor who himself is in the hospital the patient 4 can see.