COMMUNICATION TERMINAL DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a communication terminal device which can surely transmit information and is useful to prevent an accident by efficiently reducing a communication traffic amount on the basis of peripheral circumstances. SOLUTION: The communication terminal device includes a local circumstance detecting means 14 for detecting local circumstances, a transmission power determining means 13 for determining transmission power on the basis of the local circumstances detected by the local circumstance detecting means 14. and a transmitting means 12 for transmitting a packet by the transmission power determined by the transmission power determining means 13. COPYRIGHT: (C)2009,JPO&INPIT