Patent ID: 8300547

Claim:
A method for communication between two nodes of a radio network, the method comprising: initiating a mode for finding a range to a second node by the first node; transmitting a command for range finding with an address of the second node from the first node to the second node in the mode for range finding; switching the second node into the range finding mode by the command; controlling a sequence by the command in the range finding mode; transmitting, as a result of the control by the command, a first signal by the first node in a transmission time window of the sequence, the first signal being received by the second node in an associated reception time window of the sequence; measuring a first phase value of the first signal; transmitting, as a result of the control by the command, a second signal by the second node in the transmission time window of the sequence, the second signal being received by the first node in an associated reception time window of the sequence; measuring a second phase value of the second signal; and changing, as a result of the control by the command, the first frequency of the first signal by a frequency difference and changing the second frequency of the second signal by the frequency difference in a subsequent time window of the sequence.