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Multiple antennas are also included. An appropriate vector\u2010valued transmission model is explained and then special the cases OFDM\u2010OFDMA and MC\u2010CDMA are considered. Examples are discussed which demonstrate the advantages of spreading techniques in the context of OFDM\u2010OFDMA and the additional gain in power (or bandwidth) efficiency compared with pure OFDM\u2010OFDMA. Simulation results for an indoor scenario with 8 users are presented. Variants of MC\u2010CDMA, extensions and alternatives are also discussed.<\/jats:p>","DOI":"10.1002\/ett.4460100405","type":"journal-article","created":{"date-parts":[[2008,9,12]],"date-time":"2008-09-12T13:52:32Z","timestamp":1221227552000},"page":"351-367","source":"Crossref","is-referenced-by-count":36,"title":["MC\u2010CDMA in the Context of General Multiuser\/ Multisubchannel Transmission Methods"],"prefix":"10.1002","volume":"10","author":[{"given":"J\u00fcrgen","family":"Lindner","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2008,9,12]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1109\/5.640770"},{"key":"e_1_2_1_3_2","doi-asserted-by":"crossref","unstructured":"A.Chouly A.Brajal andS.Jourdan Orthogonal Multicarrier Technique applied to Direct Sequence Spread Sprectrum CDMA Systems.Proc. IEEE Globecom Nov. 1993 pages1723\u20131728 1993.","DOI":"10.1109\/GLOCOM.1993.318364"},{"key":"e_1_2_1_4_2","unstructured":"N.Yee J. P.Linnartz andG.Fettweiss Multicarrier CDMA in Indoor Wireless Radio Networks.PIMRC '93 Yokohama pages109\u2013113 1993."},{"key":"e_1_2_1_5_2","doi-asserted-by":"crossref","unstructured":"K.Fazel Performance of CDMA\/OFDM for Mobile Communication Systems.Proc. ICUPC '93 pages975\u2013979 1993.","DOI":"10.1109\/ICUPC.1993.528524"},{"key":"e_1_2_1_6_2","doi-asserted-by":"crossref","unstructured":"S.KondoandL. B.Milstein On the use of multicarrier direct sequence spread spectrum systems.Proc. IEEE MILCOM '93 Boston USA pages52\u201356 1993.","DOI":"10.1109\/MILCOM.1993.408547"},{"key":"e_1_2_1_7_2","unstructured":"L.Vandendorpe Multitone direct sequence CDMA system in an indoor wireless environment.Proc. 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