{"title":"用于下一代无线应用的M-QAM WCDMA的多维超正交调制替代方案","authors":"L. Linde, J. D. Vlok","doi":"10.1109/AFRCON.2007.4401467","DOIUrl":null,"url":null,"abstract":"This paper presents bit-error-rate (BER) performance results of an upwards-expandable Multidimensional super-orthogonal modulation alternative to M-ary quadrature amplitude modulation wideband code- division-multiple-access (M-QAM WCDMA), suitable for application in next generation WLAN and wireless cellular systems. The unique combination of a M=4-dimensional WCDMA modem configuration and super-orthogonal families of quasi-complementary root-of-unity filtered (RUF) near constant-envelope generalized-chirp-like complex spreading sequences (SO-CE-GCL-CSS), renders a spectrally and power efficient output signal with a data throughput rate equivalent to that of M=16-ary quadrature amplitude modulated (16-QAM) WCDMA, but with the BER performance equivalent to that of BPSK/QPSK in both additive white Gaussian noise (AWGN) and fading multipath channel scenarios, given identical spreading factors and bandwidths.","PeriodicalId":112129,"journal":{"name":"AFRICON 2007","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"A Multi-dimensional super-orthogonal modulation alternative to M-QAM WCDMA for next generation wireless applications\",\"authors\":\"L. Linde, J. D. Vlok\",\"doi\":\"10.1109/AFRCON.2007.4401467\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents bit-error-rate (BER) performance results of an upwards-expandable Multidimensional super-orthogonal modulation alternative to M-ary quadrature amplitude modulation wideband code- division-multiple-access (M-QAM WCDMA), suitable for application in next generation WLAN and wireless cellular systems. The unique combination of a M=4-dimensional WCDMA modem configuration and super-orthogonal families of quasi-complementary root-of-unity filtered (RUF) near constant-envelope generalized-chirp-like complex spreading sequences (SO-CE-GCL-CSS), renders a spectrally and power efficient output signal with a data throughput rate equivalent to that of M=16-ary quadrature amplitude modulated (16-QAM) WCDMA, but with the BER performance equivalent to that of BPSK/QPSK in both additive white Gaussian noise (AWGN) and fading multipath channel scenarios, given identical spreading factors and bandwidths.\",\"PeriodicalId\":112129,\"journal\":{\"name\":\"AFRICON 2007\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-12-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"AFRICON 2007\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/AFRCON.2007.4401467\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"AFRICON 2007","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AFRCON.2007.4401467","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Multi-dimensional super-orthogonal modulation alternative to M-QAM WCDMA for next generation wireless applications
This paper presents bit-error-rate (BER) performance results of an upwards-expandable Multidimensional super-orthogonal modulation alternative to M-ary quadrature amplitude modulation wideband code- division-multiple-access (M-QAM WCDMA), suitable for application in next generation WLAN and wireless cellular systems. The unique combination of a M=4-dimensional WCDMA modem configuration and super-orthogonal families of quasi-complementary root-of-unity filtered (RUF) near constant-envelope generalized-chirp-like complex spreading sequences (SO-CE-GCL-CSS), renders a spectrally and power efficient output signal with a data throughput rate equivalent to that of M=16-ary quadrature amplitude modulated (16-QAM) WCDMA, but with the BER performance equivalent to that of BPSK/QPSK in both additive white Gaussian noise (AWGN) and fading multipath channel scenarios, given identical spreading factors and bandwidths.
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