| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless communication apparatus and system capable of saving power by changing a communication output in a way of being adaptable to the wireless quality of a communication interval and setting proper power in an ordinary data communication sequence. <P>SOLUTION: The communication apparatus for performing wireless data communication includes: a reception means 104; an arithmetic means 108; and a transmission means 102, the reception means receives data from a transmission side at reception, the arithmetic means calculates the excess value or the deficient value of a proper transmission output from the received data and stores the excess value or the deficient value to an ACK frame, the transmission means returns the resulting frame to a transmission side, the reception means receives the ACK frame returned from a receiver side in transmission, the arithmetic means calculates the proper transmission output on the basis of the excess value or the deficient value stored in the ACK frame, and the transmission means transmits the calculated proper transmission output. <P>COPYRIGHT: (C)2007,JPO&INPIT |
