| 摘要 |
PURPOSE:To attain talking among the optional number of portable radio equipments by forming an independent channel in the predetermined priority at least between two equipments in many portable radio equipments by the control of the multi-channel access technology. CONSTITUTION:In applying a power of portable radio equipments 9-16, a call signal is sent to a base station from an incoming control channel fc2 and the base station uses the outgoing control channel in the frequency fc1 to send an ID signal transmission command to all the portable radio equipment. A portable radio equipment sends an ID signal supplied to the said portable radio equipment to the base station, the base station decodes the ID signal so as to designate a talking channel for the said portable radio equipment. A control circuit of a reception section of the portable radio equipment uses a channel switching end signal representing the changeover to the talking channel assigned to the own equipment to activate a transmitter of the own equipment for a time slot permitted for the own equipment and the signal is sent to the base station through the incoming control channel. Thus, all the portable radio equipments reach the state that they are talked through the talking channel designated by the base station respectively. |
