Error correction and error detection techniques for wireless ATM systems |
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Authors: | Aikawa Satoru Motoyama Yasushi Umehira Masahiro |
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Affiliation: | (1) NTT Wireless Systems Laboratories, Yokosuka‐shi, Kanagawa 239, Japan |
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Abstract: | Error correction and error detection techniques are often used in wireless transmission systems. The Asynchronous Transfer
Mode (ATM) employs Header Error Control (HEC). Since ATM specifications have been developed for high‐quality optical fiber
transmission systems, HEC has single‐bit error correction and multiple‐bit error detection capabilities. When HEC detects
multiple‐bit error, the cell is discarded. However, wireless ATM requires a more powerful Forward Error Correction (FEC) scheme
to improve the Bit Error Rate (BER) performance resulting in a reduction in the transmission power and antenna size. This
concatenation of wireless FEC and HEC of the ATM may effect cell loss performance. This paper proposes error correction and
error detection techniques suitable for wireless ATM and analyzes the performance of the proposed schemes.
This revised version was published online in June 2006 with corrections to the Cover Date. |
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