Patent ID: 6088344
Filing Date: 2000-07-11
Classification: H04B,H04L,H04W

Abstract:
A multiple access method for use in a packet radio system wherein a time for providing a plurality of users of the system with acknowledgement data appertaining to successful transmission of packets of data bearing radio signals is large in comparison with a rate of demand for communication of data, which multiple access method comprises steps of(i) determining a total number of users N which have been registered with the system(ii) communicating the total number of users N to all users in the system,characterised by the steps of(iii) for each user determining whether the user has permission to transmit a packet in a predetermined time period in accordance with the total number of users N and a number of active users n,(iv) monitoring the acknowledgement data,(v) for each user estimating the number of active users n, from the acknowledgement data received by the user in a pre-determined time period.