Patent ID: 8099653
Filing Date: 2012-01-17
Classification: H03M,H04L

Abstract:
1. A communication apparatus for communicating a frame having a header that includes a first header portion and a second header portion for scrambling, the apparatus comprising: a plurality of descramblers, each of which is configured to apply different descrambling processing to the second header portion of a received frame; a determination unit configured to determine whether or not there is an error in respective headers descrambled by respective ones of the plurality of descramblers; and a selector configured to, in a case that the determination unit determines that there is no error in at least one the respective headers descrambled by respective one of the plurality of descramblers, select a header having no error, and in a case that the determination unit determines that there is an error in any one the respective headers descrambled by respective one of the plurality of descramblers, select a header that has been descrambled by one descrambler corresponding to a scramble index included in the first header portion among the plurality of descramblers.