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DC Field | Value | Language |
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dc.contributor.author | Woradit K. | |
dc.date.accessioned | 2021-04-05T03:32:43Z | - |
dc.date.available | 2021-04-05T03:32:43Z | - |
dc.date.issued | 2013 | |
dc.identifier.other | 2-s2.0-84891090018 | |
dc.identifier.uri | https://ir.swu.ac.th/jspui/handle/123456789/13936 | - |
dc.identifier.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84891090018&doi=10.1109%2fISCIT.2013.6645832&partnerID=40&md5=671bc4a90548ab4880288aac037e2c61 | |
dc.description.abstract | This paper introduces a method to design space-frequency trellis codes for a system that combines space-time coding with orthogonal frequency division multiplexing (OFDM) to realize broad-band wireless communications. It has been pointed out in the literature that the frequency-selective fading, which usually occurs in such combined system, turns out to produce a beneficial effect on the error rate performance by providing the frequency diversity in addition to the spatial diversity. This enables space-frequency codes to exploit greater diversity than the space-time codes. However, exhaustive search for space-frequency trellis codes is impractical. The only existing heuristic design method has a drawback in the spectral efficiency, and in turn degrades the coding gain (energy efficiency,) which is also the primary purpose of space-frequency coding. We propose a practical method to design the space-frequency codes that exploit full diversity while maximizes the coding gain at a desired spectral efficiency. The simulation results show the superior error rate performance of the codes designed by the proposed method. © 2013 IEEE. | |
dc.subject | Energy-efficient communications | |
dc.subject | Error rate performance | |
dc.subject | MIMO-OFDM | |
dc.subject | Space-frequency coding | |
dc.subject | Space-frequency trellis code | |
dc.subject | Space-time signal processing | |
dc.subject | Spectral efficiencies | |
dc.subject | Wireless communications | |
dc.subject | Communication | |
dc.subject | Energy efficiency | |
dc.subject | Information technology | |
dc.subject | MIMO systems | |
dc.subject | Signal processing | |
dc.subject | Trellis codes | |
dc.subject | Wireless telecommunication systems | |
dc.subject | Orthogonal frequency division multiplexing | |
dc.title | Full-diversity space-frequency trellis codes designing method | |
dc.type | Conference Paper | |
dc.rights.holder | Scopus | |
dc.identifier.bibliograpycitation | 13th International Symposium on Communications and Information Technologies: Communication and Information Technology for New Life Style Beyond the Cloud, ISCIT 2013. (2013), p.105-110 | |
dc.identifier.doi | 10.1109/ISCIT.2013.6645832 | |
Appears in Collections: | Scopus 1983-2021 |
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