Patent ID: 8849214

Claim:
A method for communication, the method comprising: in a first device comprising a first leaky wave antenna: transmitting a discovery signal at a frequency that corresponds to a transmission angle; adjusting said frequency of said discovery signal to change said transmission angle; receiving a radio frequency (RF) signal via said first leaky wave antenna, wherein said RF signal is received from a second leaky wave antenna of a second device; determining an angle between said first leaky wave antenna and said second leaky wave antenna based on a received signal strength of said RF signal; pairing with said second device to establish a communication protocol connection between said first device and said second device when said determined angle is approximately equal to a particular angle; and preventing pairing with said second device to prevent establishment of a communication protocol connection between said first device and said second device when said determined angle is not approximately equal to said particular angle, wherein said second device powers up in response to receiving energy exceeding a threshold from said discovery signal.