A micro-cellular CDMA system over slow and fast Rician fading radio channels with forward error correcting coding and diversity

The microcellular radio environment is characterized by a Rician fading channel. The use of a slotted code division multiple access (CDMA) scheme is considered in single- and multi-microcell systems. The throughput and delay performance of a slotted CDMA network are analyzed for slow and fast Rician...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 1993-11, Vol.42 (4), p.570-580
Main Authors: Wijffels, C.A.F.J., Misser, H.S., Prasad, R.
Format: Article
Language:English
Subjects:
Applied sciences
Differential phase shift keying
Differential quadrature phase shift keying
Diversity reception
Equipments and installations
Error correction codes
Exact sciences and technology
Fading
Mobile radiocommunication systems
Multiaccess communication
Performance analysis
Phase modulation
Radiocommunications
Rician channels
Telecommunications
Telecommunications and information theory
Throughput
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Summary:The microcellular radio environment is characterized by a Rician fading channel. The use of a slotted code division multiple access (CDMA) scheme is considered in single- and multi-microcell systems. The throughput and delay performance of a slotted CDMA network are analyzed for slow and fast Rician fading radio channels using differential phase shift keying (DPSK) modulation. The application of selection diversity (SD) and maximal ratio combining (MRC) improve the performance for both slow and fast fading. It is also shown that the use of forward error correcting (FEC) codes enhances the system performance. Computational results are presented for maximum rms delay spread in the order of 2 mu s and data rates of 32 and 64 kbit/s. A comparative analysis of macro-, micro- and pico-cellular CDMA systems is also presented.< >
ISSN:0018-9545
1939-9359
DOI:10.1109/25.260753