Coded orthogonal frequency division multiplexing for wireless ATM
Jayalath, Dhammika, Rajatheva, R. M. A. P., & Ahmed, K. M. (1999) Coded orthogonal frequency division multiplexing for wireless ATM. In IEEE 49th Vehicular Technology Conference 1999 (VTC 1999-Spring)., 16-20 May 1999, Houston, TX, USA.
The performance of the concatenated inner trellis coded modulation (TCM) and outer Reed Solomon (RS) code with orthogonal frequency division multiplexing is evaluated in a frequency selective fading channel for wireless ATM (WATM). A 512 carrier OFDM is selected to facilitate the transmission of ATM cells of 155 Mb/s rate, in a frequency selective fading channel, while the high gain concatenated scheme is selected for an improved error performance. An interleaver of depth four is introduced at the output of the RS outer coder to randomize the burst errors from the TCM decoder, while a channel interleaver is also introduced to combat the correlated fading of the channel. The investigated concatenated coding scheme is capable of achieving a bit error rate of 10-5 at an average Eb/No of 14 dB. The result is also compared with that of a convolutional code (CC) with constraint length seven using 16-QAM modulation.
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|Item Type:||Conference Paper|
|Subjects:||Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > COMMUNICATIONS TECHNOLOGIES (100500) > Communications Technologies not elsewhere classified (100599)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 1999 IEEE|
|Copyright Statement:||Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.|
|Deposited On:||16 Jun 2008|
|Last Modified:||09 Jun 2010 12:59|
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