Patent ID: 7532914
Filing Date: 2009-05-12
Classification: H04B,H04W,Y02D

Abstract:
1. A radio network system having a radio base station connected to a communication line and utilizing radio as a data transfer medium and a plurality of radio mobile terminals connected via the radio base station to the communication line, the radio base station comprising: means for managing a radio mobile terminal of the plurality of radio mobile terminals as to whether the radio mobile terminal is in a power-saving mode for saving power by intermittent power reception or a normal mode with power received at all times on the basis of a predetermined protocol; means for receiving and discriminating by an apparatus at a first node of the radio network system broadcast packets traveling over the communication line addressed to the radio mobile terminal operating in the power-saving mode and, when a broadcast packet concerning a physical address inquiry is found among the broadcast packets traveling over the communication line addressed to the radio mobile terminal, responding to the broadcast packet by the apparatus as an agent for the radio mobile terminal to solve the physical address inquiry; and means for reporting the reception of the physical address inquiry to the radio mobile terminal operating in the power-saving mode to urge the radio mobile terminal to switch to the normal mode.