Space-time precoded CDMA-OFDMA employing super-orthogonal complete complementary codes

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dc.contributor.author De Figueiredo, Nikolai
dc.contributor.author Linde, Louis P.
dc.contributor.author Van Wyk, J.H. (Jacques Herman)
dc.date.accessioned 2016-07-05T09:18:31Z
dc.date.available 2016-07-05T09:18:31Z
dc.date.issued 2015-12
dc.description.abstract This paper addresses and illustrates, both analytically as well as by means of simulation, the equivalence of a cyclically rotated complete complementary coded (CRCCC) code division multiple access orthogonal frequency division multiplexed (CDMA-OFDM) BPSK/QPSK system and a narrowband uncoded BPSK/QPSK reference system. The equivalence can be attributed to the MUI-free characteristic performance of CRCCCs. It is demonstrated that when employed in a multiple-input multiple-output (MIMO) antenna configuration along with orthogonal space-time block codes (OSTBCs), the maximum theoretical diversity order of NTxNRx is achieved. Most significantly, simulations show that CDMA-OFDM using CRCCCs is capable of rendering additional multipath diversity gain at no additional processing cost. This signifies improved performance when compared with conventional ST-OFDM systems. en_ZA
dc.description.department Electrical, Electronic and Computer Engineering en_ZA
dc.description.librarian am2016 en_ZA
dc.description.sponsorship This work is based on the research supported in part by the National Research Foundation of South Africa (Grant reference TP1207183332) and our industry partners Telkom and Bytes Universal Systems. en_ZA
dc.description.uri http://www.saiee.org.za/DirectoryDisplay/DirectoryCMSPages.aspx?name=Publications#id=1588&dirname=ARJ&dirid=337 en_ZA
dc.identifier.citation De Figueiredo, N, Linde, LP & Van Wyk, JH 2015, 'Space-time precoded CDMA-OFDMA employing super-orthogonal complete complementary codes', SAIEE Africa Research Journal, vol. 106, no. 4, pp. 195-200. en_ZA
dc.identifier.issn 1991-1696
dc.identifier.uri http://hdl.handle.net/2263/53631
dc.language.iso en en_ZA
dc.publisher South African Institute of Electrical Engineers en_ZA
dc.rights © 2015 South African Institute of Electrical Engineers en_ZA
dc.subject STF-CDMA-OFDM en_ZA
dc.subject Diversity en_ZA
dc.subject Multi-user-interference (MUI) free en_ZA
dc.subject Multiple-access (MA) en_ZA
dc.subject Cyclically rotated complete complementary coded (CRCCC) en_ZA
dc.subject Orthogonal space-time block codes (OSTBCs) en_ZA
dc.subject Code division multiple access (CDMA) en_ZA
dc.subject Space-time-frequency (STF) en_ZA
dc.subject Orthogonal frequency division multiple access (OFDMA) en_ZA
dc.title Space-time precoded CDMA-OFDMA employing super-orthogonal complete complementary codes en_ZA
dc.type Article en_ZA


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