RADIO COMMUNICATION NETWORK SYSTEM AND ITS RADIO TERMINAL, PROGRAM AND DATA TRANSMISSION/RECEPTION CONTROL METHOD

摘要

PROBLEM TO BE SOLVED: To keep the transmission data volume in a radio communication network system using network IDs unchanged even when the number of digits in the network IDs is increased, thereby helping battery life to last long.SOLUTION: A network ID is divided into network IDs 'A' and 'B.' ID notification signals (Rno) which are transmitted frequently in a fixed cycle (e.g., every three seconds) have the network IDs 'A' and 'B' added thereto alternately. This ensures that, even when the data volume of network IDs is twice that of conventional ones, the data volume of ID notification signals (Rno) per transmission does not change. Transmission/reception of Sreq, Rack, etc. at the time of link establishment and data transmission is executed in such a way that as to transmit 'A' and wait for 'B', and to transmit 'B' and wait for 'A'.