Abstract:
PURPOSE: A network information restoration system of a network center station is provided to restore the channel information assigned to each terminal in the network information of a network center station. CONSTITUTION: A terminal controller receives the signal of a network center station controller. The terminal controller controls the subscription of a new channel and the change of existing channels. The network center station controller renews the network center station channel information and network information by receiving the channel information and the network information from the terminal controller and a center network transceiver. The network center station controller restores the network information of a network center station. [Reference numerals] (AA) Network center station; (BB) Network center station controller; (CC) Network center transceiver; (DD,LL,SS) No new terminal subscription and no existing terminal channel change; (EE) Request network center station channel information transmission; (FF) Transmit network center station channel information; (GG) Update the network center station channel information; (HH,MM,UU) Request network information; (II,NN,VV) Respond the network information; (JJ) Update the network information; (KK,OO,WW) New terminal subscription and existing terminal channel change available; (PP) Terminal; (QQ) Terminal transceiver; (RR) Terminal controller; (TT) New channel subscription prohibition and change prohibition; (XX) Release new channel subscription prohibition and release change prohibition; (YY) Network information restoration system of the network center station of the invention