Wireless communications device and wireless communications method

Arrangements with wireless transmitter having: transmission operation processing unit allocating first header information (FHI) including physical address (PA) information to a header, allocates first data error checking code (FDECC) for detecting an error of FHI, second header information (SHI) as redundant header information of FHI, second data error checking code (SDECC) for detecting an error of SHI, divides data field into cell units, and adds third error checking code to each cell, to generate the communication frame; and a wireless transmission unit. A wireless receiver with: wireless receiving unit receiving the frame; reception operation processing unit checking if errors exists in FHI based on FDECC allocated to data field, and if an error, further checks if error in SHI based on SDECC, and if no error, generates a predetermined PA by using SHI, and judges if received communication frame is addressed to own wireless receiver based on generated predetermined PA.