| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication system to improve a transfer efficiency of a USB packet in a communication. SOLUTION: A radio USB master apparatus 18 and a radio USB slave apparatus 20 of a radio USB system 10 include a USB (Universal Serial Bus) 28, a USB-radio converting portion 30, a baseband portion 32 and a RF (Radio Frequency) portion 34 each. The USB converting portion 30 improves the transfer efficiency in a radio zone by including a transfer mode detection functioning portion 30a, a format conversion functioning portion 30b, a timing offset functioning portion 30c and a timing correction functioning portion 30d and improves the transfer efficiency of the USB packet. COPYRIGHT: (C)2007,JPO&INPIT |
