Patent ID: 7450974
Filing Date: 2008-11-11
Classification: H04L,H04W,Y02D

Abstract:
1. A mobile communication point for use in a mobile radio network comprising a plurality of communication points, each capable of communicating with other communication points, the communication point comprising a transmitter/receiver for sending signals to and receiving signals from the other communication points, the communication point comprising a transmitter/receiver for sending signals to and receiving signals from the other communication points; and means to switch the communication point between a high power mode for transmitting or receiving signals and a low power mode defined as a sleep state wherein the communication point is unable to transmit or receive signals, the communication point being controlled to come out of sleep state periodically and broadcast a packet of data containing its unique identity, each communication point of the plurality of communication points broadcasting its unique identify during random timer intervals; data storage means for storing data identifying the communication point and storing data identifying other communication points which have been interacted with recently, and wherein the communication point determines whether data about a second communication point is stored in its data storage means upon receipt of a transmission from the second communication point, wherein the first communication point is responsive to as request from a second communication point to transmit data about a third communication point from said data storage means to the second communication point.