Patent ID: 6628641
Filing Date: 2003-09-30
Classification: H04L

Abstract:
A transceiver for receiving and transmitting data cells over a wireless interface, said transceiver comprising:a block processor having a transmit path for reconfiguring cells for transmission over the wireless interface and a receive path for receiving transmitted signals and processing received reconfigured cells; wherein said block processor includes: a transmit header processor for assembling a new header for a cell to be transmitted, including: means for extracting a Header Error Check (HEC) from said cell, and means for calculating and inserting an Exended Header Error Check (EHEC) into said cell header; a receive header processor, including: means for extracting EHEC from a received cell, means for replacing said EHEC with an HEC, and means for detecting errors in said received cell header; and means for discarding a received cell if an error in the header is detected.