LTE for 4G Mobile Broadband: Air Interface Technologies and Performance
LTE for 4G Mobile Broadband: Air Interface Technologies and Performance
LTE, The UMTS Long Term Evolution: From Theory to Practice
LTE, The UMTS Long Term Evolution: From Theory to Practice
LTE for UMTS - OFDMA and SC-FDMA Based Radio Access
LTE for UMTS - OFDMA and SC-FDMA Based Radio Access
IEEE Transactions on Communications
Statistical modeling of co-channel interference
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Performance evaluation of frequency planning schemes in OFDMA-based networks
IEEE Transactions on Wireless Communications - Part 1
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Traditionally, inter-cell interference in wireless cellular systems has been modeled as a zero-mean random variable with variance equal to the average power of the interference. While this model is appropriate for code division multiple access-type systems, in orthogonal frequency division multiple access-based systems, such as long term evolution (LTE), it does not hold anymore. This paper considers the problem of interference modeling for the downlink of LTE systems. It is shown, through analytical and numerical studies, that the interference can be deemed as a gaussian random variate with random variance (i.e., the variance depends on the strength of the interference itself), thus implying that it is actually a non-gaussian random variate.