Patent ID: 6285892
Filing Date: 2001-09-04
Classification: H04L,H04Q,H04W,Y02D

Abstract:
A method of transmitting data among plural terminals in a wireless network, the method comprising:designating at least one of the plural terminals as a transmitter, the transmitter for outputting data to the wireless network;designating a set of the plural terminals as able to receive data output to the wireless network by the transmitter;issuing a first message to the plural terminals identifying the transmitter and the set of plural terminals;receiving a request for transmission from the transmitter; andissuing a second message to the plural terminals that identifies the transmitter;wherein, each of the plural terminals determines whether it is able to receive the data based on the second message that identifies the transmitter; andwhereinthose of the plural terminals which are able to receive the data are enabled to receive the data, andat least one of those of the plural terminals that are not able to receive the data is enabled to enter a low-power mode.