SHORT RANGE RADIO COMMUNICATION SYSTEM, HANDS-FREE CALL SYSTEM FOR VEHICLE, AND COMMUNICATION CONTROL METHOD FOR SHORT RANGE RADIO COMMUNICATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a short range radio communication system in which the deterioration in quality can be suppressed when transmitting audio data.;SOLUTION: A hands-free device transmits the same audio data by using three channels in parallel. When a plurality of packets comprising the audio data are received via a channel 1 and the occurrence of an uncorrectable error in a part of the packets is determined (step S3: 'YES'), in a portable telephone set, omitted packets are acquired via other channels 2 and 3 (steps S6-S11 and steps S12-S14).;COPYRIGHT: (C)2003,JPO