Patent ID: 7869418
Filing Date: 2011-01-11
Classification: H04L

Abstract:
1. A communication apparatus, comprising: a reception device configured to receive a physical frame including a plurality of data frames, the data frames each including a sequence number and a Frame Check Sequence (FCS); a generation device configured to generate a first acknowledgement frame including a Starting Sequence Number and a bitmap, the bitmap indicating a reception status of at least one of the data frames, and the generation device is configured to set the Starting Sequence Number of the first acknowledgement frame, based on a maximum sequence number of a data frame that is successfully received; and a transmission device configured to transmit the first acknowledgement frame to a communication apparatus as an transmission source of the physical frame, when a minimum frame interval has elapsed after the physical frame is received by the reception device; wherein the physical frame includes a plurality of fields, and each of the fields having a data frame, length information indicating a length of the data frame, an error detection code for detecting an error occurred in the length information, and a region for byte alignment.