COMMUNICATION SYSTEM

PROBLEM TO BE SOLVED: To enable communication in communication disabling area of a mobile phone while reducing cost. SOLUTION: A communication system 10 includes mobile wireless phones 30 and distributing base stations 20A, 20B arranged in a line along a tunnel for distribution of communication data of the relevant mobile wireless phones. The mobile wireless phone includes a packet generating means 36 for dividing communication voice data into a plurality of packets and converting communication voice data into a plurality of packets F provided with headers indicating transmitting destinations and a wireless transmitting and receiving means 37 for transmitting and receiving each packet. The distributing base station includes a wireless transmitting and receiving means 202 for transmitting and receiving the packet of the received communication voice data and a directional antenna 21 for wireless transmission and reception of packets. A wireless transmitting and receiving means of each distributing base station actualizes communication between the other distributing base stations and mobile wireless phones in the same frequency band. COPYRIGHT: (C)2010,JPO&INPIT