Patent ID: 8504639

Claim:
An individual gateway communication device for use in a wireless communication network, which network includes a plurality of said gateway communication devices, said individual device comprising: means for receiving communication messages transmitted by from low-power transmitters, means for transmitting and receiving messages by the communication network that comprises a plurality of said gateway communication devices, and means for processing communication messages, comprising means for identifying a reception quality indicator in a message received from a low-power transmitter, means for storing said reception quality indicator, means for receiving notification messages transmitted by other gateway devices located in a reception zone, where each such notification message comprises in their frames a transmitter gateway device identifier, a reception quality indicator and a sequence number of said message, and means for identifying a master gateway device based on reception quality indicators stored in the gateway devices situated in said reception zone of messages transmitted by said low-power transmitter, whereby the gateway device having the highest reception quality indicator is identified as said master gateway device.