Ordered Hunt Schemes for Overlaid CDMA Cellular Systems
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| Format: | Artículo científico |
| Langue: | en |
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Universidad Nacional Autónoma de México
2010
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| _version_ | 1876462968768561152 |
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| author | J. Castañeda-Camacho |
| author_facet | J. Castañeda-Camacho |
| contents | Ordered Hunt Schemes for Overlaid CDMA Cellular Systems J. Castañeda-Camacho D. Lara-Rodríguez Ingeniería TDMA ordered hunt Overlaid system CDMA performance The CDMA overlay concept, has been proposed as one alternative to take advantage of the bandwidth available in narrowband systems. In fact, the basic idea of the CDMA overlay is to allow to wideband CDMA wave forms, to share a common spectrum with narrowband conventional wave forms. In this work, we have focused in the analysis of the performance of the forward link of the CDMA and TDMA systems when they are overlaid. In our model, in order to limit the interference into the CDMA layer caused by the TDMA system, the use of notch filters has been considered. However, one drawback of the filters is that it rejects only one part of the interference generated by the TDMA system. Therefore, we have proposed two new ideas of reduction of the interference which can not be eliminated by filters; ordered hunt and real location of the slots. Finally, we present an analytical evaluation of the forward link capacity of the systems involved in the overlaid process, due to this is the limiting link and as a function of the outage probabilities. Practical considerations such as power requirements, power control, handoff, the offered load for different services and scenarios are also addressed. 2010 artículo científico 1405-7743 https://www.redalyc.org/articulo.oa?id=40415987010 en http://www.redalyc.org/revista.oa?id=404 Ingeniería. Investigación y Tecnología application/pdf Universidad Nacional Autónoma de México Ingeniería. Investigación y Tecnología (México) Num.3 Vol.XI |
| format | Artículo científico |
| id | redalyc_40415987010 |
| institution | Redalyc |
| language | en |
| publishDate | 2010 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Ordered Hunt Schemes for Overlaid CDMA Cellular Systems J. Castañeda-Camacho Ingeniería TDMA ordered hunt Overlaid system CDMA performance Ordered Hunt Schemes for Overlaid CDMA Cellular Systems J. Castañeda-Camacho D. Lara-Rodríguez Ingeniería TDMA ordered hunt Overlaid system CDMA performance The CDMA overlay concept, has been proposed as one alternative to take advantage of the bandwidth available in narrowband systems. In fact, the basic idea of the CDMA overlay is to allow to wideband CDMA wave forms, to share a common spectrum with narrowband conventional wave forms. In this work, we have focused in the analysis of the performance of the forward link of the CDMA and TDMA systems when they are overlaid. In our model, in order to limit the interference into the CDMA layer caused by the TDMA system, the use of notch filters has been considered. However, one drawback of the filters is that it rejects only one part of the interference generated by the TDMA system. Therefore, we have proposed two new ideas of reduction of the interference which can not be eliminated by filters; ordered hunt and real location of the slots. Finally, we present an analytical evaluation of the forward link capacity of the systems involved in the overlaid process, due to this is the limiting link and as a function of the outage probabilities. Practical considerations such as power requirements, power control, handoff, the offered load for different services and scenarios are also addressed. 2010 artículo científico 1405-7743 https://www.redalyc.org/articulo.oa?id=40415987010 en http://www.redalyc.org/revista.oa?id=404 Ingeniería. Investigación y Tecnología application/pdf Universidad Nacional Autónoma de México Ingeniería. Investigación y Tecnología (México) Num.3 Vol.XI |
| title | Ordered Hunt Schemes for Overlaid CDMA Cellular Systems |
| topic | Ingeniería TDMA ordered hunt Overlaid system CDMA performance |
| url | https://www.redalyc.org/articulo.oa?id=40415987010 |