Abstract
Modelling of complex wireless transmission scenario over fading channels in the presence of multiple co-channel (CCI) interferers will be presented in this paper. Propagation environment will be modelled with general kappa-mu shadowed model, which can be reduced to other well-known model as its singularities. Probability density function (PDF) and cumulative distribution function (CDF) of resulting signal-to-interference (SIR) ratio statistics at the reception will be derived in the rapidly converging infinite-series expressions form. Obtained expressions will be further used for evaluation of standard wireless performance criterions, outage probability (OP) and average bit error rate (ABER) and their analysis in the function of transmission parameters. Finally, possible performance improvement will be considered for the case of possible application of switch-and-stay (SSC) diversity reception technique.DOI: http://dx.doi.org/10.5755/j01.eie.24.2.20640
Highlights
One of major tasks in the process of designing wireless communication transmission link parameters is to provide efficient mathematical model for evaluation of standard performance criterions of observed link, such are: outage probability (OP), average bit error rate (ABER) and channel capacity (CC) [1]
Multipath fading causes short-term signal envelope variations, and corresponding random instantaneous envelope values are statistically modelled by various models so far
Since we model each interfering signal with Rayleigh distribution, with Probability density function (PDF) expressed as fIi
Summary
One of major tasks in the process of designing wireless communication transmission link parameters (determining: level of transmitted power, applied modulation format, link distance, link capacity, pre-designated level of error at the reception, quality-of-service and grade-of-service at the reception, necessity of diversity appliance...) is to provide efficient mathematical model for evaluation of standard performance criterions of observed link, such are: outage probability (OP), average bit error rate (ABER) and channel capacity (CC) [1] These models can be derived based on mathematical modelling of the unavoidable fading influence on both desired signal and total interfering signal. Major contribution of this paper is originality and wide scope of applicability of mathematical expressions that will be given bellow
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