Wireless communication apparatus and wireless communication system

摘要

According to an embodiment, a wireless communication unit includes a media access control (MAC) unit. The MAC unit includes a clock unit, an acquisition unit and a calculation unit. The clock unit includes a register which stores periodically counted-up first time information. The acquisition unit acquires a statistic for reception quality information on the received packet. The calculation unit normalizes the second time information, weights the normalized second time information using a time weight based on the statistic, and calculates a time correction value for correcting the first time information, using the weighted and normalized second time information. The time weight increases with increasing link stability indicated by the statistic.

主权项

1. A wireless communication apparatus comprising a processor to process a received packet, wherein the processor comprises:
a clock to periodically count-up a first time to synchronize with a first other wireless communication apparatus; an extractor to extract a second time from the received packet transmitted by at least a second other wireless communication apparatus different from the first other wireless communication apparatus; and a corrector to normalize the second time, and to obtain a correction time for the first time, by summing a first value and a second value, wherein the first value is based at least on a product of the first time and a first coefficient, and the second value is based at least on a product of the normalized second time and a second coefficient.