Coded space-time-frequency OFDM over IEEE 802.11 fading channels
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The Institution of Engineers, Malaysia
2011
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my.unimap-137162011-09-13T00:28:06Z Coded space-time-frequency OFDM over IEEE 802.11 fading channels Nor Kamariah, Noordin, Dr. Borhanuddin, Mohd. Ali, Prof. Dr. Jamuar, Sudhanshu Shekhar, Prof. Dr. nknordin@eng.upm.edu.my Convolutional coding Delay spread OFDM STF coding Link to publisher's homepage at http://www.myiem.org.my/ This paper will present a 4-transmit and 1-receive (4Tx:1Rx) antenna system of coded space-time-frequency in conjunction with orthogonal frequency division multiplexing (Coded STF-OFDM). STF block code is concatenated with channel coding namely convolutional code of rate 1/2 with length 5 to further combat channel impairment. The coded STF scheme is compared to ST-OFDM and SF-OFDM over IEEE 802.11 multipath channel at delay spread of 700 ns and 1 ms in outdoor environments. Results show that Coded STF-OFDM scheme outperforms other schemes by as much as 8 dB (against ST-OFDM) at 700 ns delay spread. The scheme also outperforms others at longer delay spread but is almost comparable to coded SF-OFDM. 2011-09-13T00:28:05Z 2011-09-13T00:28:05Z 2007-03 Article The Journal of the Institution of Engineers, Malaysia, vol. 68(1), 2007, pages 10-15 0126-513X http://myiem.org.my/content/iem_journal_2007-178.aspx http://hdl.handle.net/123456789/13716 en The Institution of Engineers, Malaysia |
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| language |
English |
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Convolutional coding Delay spread OFDM STF coding |
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Convolutional coding Delay spread OFDM STF coding Nor Kamariah, Noordin, Dr. Borhanuddin, Mohd. Ali, Prof. Dr. Jamuar, Sudhanshu Shekhar, Prof. Dr. Coded space-time-frequency OFDM over IEEE 802.11 fading channels |
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Link to publisher's homepage at http://www.myiem.org.my/ |
| author2 |
nknordin@eng.upm.edu.my |
| author_facet |
nknordin@eng.upm.edu.my Nor Kamariah, Noordin, Dr. Borhanuddin, Mohd. Ali, Prof. Dr. Jamuar, Sudhanshu Shekhar, Prof. Dr. |
| format |
Article |
| author |
Nor Kamariah, Noordin, Dr. Borhanuddin, Mohd. Ali, Prof. Dr. Jamuar, Sudhanshu Shekhar, Prof. Dr. |
| author_sort |
Nor Kamariah, Noordin, Dr. |
| title |
Coded space-time-frequency OFDM over IEEE 802.11 fading channels |
| title_short |
Coded space-time-frequency OFDM over IEEE 802.11 fading channels |
| title_full |
Coded space-time-frequency OFDM over IEEE 802.11 fading channels |
| title_fullStr |
Coded space-time-frequency OFDM over IEEE 802.11 fading channels |
| title_full_unstemmed |
Coded space-time-frequency OFDM over IEEE 802.11 fading channels |
| title_sort |
coded space-time-frequency ofdm over ieee 802.11 fading channels |
| publisher |
The Institution of Engineers, Malaysia |
| publishDate |
2011 |
| url |
http://dspace.unimap.edu.my/xmlui/handle/123456789/13716 |
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1643790951324319744 |