The use of coding and diversity combining for mitigating fading effects in a DS/CDMA system
Spatial diversity is an attractive technology to cope with the fading channel encountered in mobile communications. This paper presents novel closed analytical expressions of the bit-error rate (BER) achievable in a coherent binary phase-shift-keying (CBPSK) direct-sequence code-division multiple-ac...
| Autores: | , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 1998 |
| País: | España |
| Institución: | Universitat Politècnica de Catalunya (UPC) |
| Repositorio: | UPCommons. Portal del coneixement obert de la UPC |
| Idioma: | inglés |
| OAI Identifier: | oai:upcommons.upc.edu:2117/1914 |
| Acceso en línea: | https://hdl.handle.net/2117/1914 |
| Access Level: | acceso abierto |
| Palabra clave: | Mobile communication systems Bit-error rate Cellular radio Cellular system Channel capacity Channel coding Closed analytical expressions Coding errors Coherent binary phase-shift-keying Cutoff rate Delays Direct-sequence code-division multiple-access Diversity combining Diversity reception Error statistics Fading channel Land mobile radio Maximal ratio combining Mobile radio communications Multipath channels Phase shift keying Power delay profile Pseudonoise codes Rayleigh channels Rayleigh multipath fading Spatial diversity Spread spectrum communication System performance BER CBPSK CDMA DS/CDMA MRC Sistemes de comunicacions mòbils Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Comunicacions mòbils |
| Sumario: | Spatial diversity is an attractive technology to cope with the fading channel encountered in mobile communications. This paper presents novel closed analytical expressions of the bit-error rate (BER) achievable in a coherent binary phase-shift-keying (CBPSK) direct-sequence code-division multiple-access (DS/CDMA) system for any power delay profile and for either postdetection selection or maximal ratio combining (MRC). In particular, expressions for the cutoff rate Ro and for its related parameter D are also formulated in order to assess the system performance under the consideration of some channel coding schemes. Finally, an exemplary study is carried out in order to illustrate the behavior of a realistic space-diversity code-division multiple-access (CDMA) system according to the analytical expressions that have been derived |
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