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Outage probability in wireless networks with random Poisson location of the nodes is studied, including the effects of a broad class of fading processes and of various types of interference cancellation. For all scenarios considered, the total (aggregate) interference power is shown to be dominated by that of the nearest interferer (at the low outage region), which is used as a major performance indicator,...
In this paper, the performance of cooperative networks introduced in the literature is analyzed for asynchronous direct sequence code-division-multiple-access (DS-CDMA) systems in frequency-selective slow fading environment. We show that the full benefits of cooperative diversity cannot be achieved if no multiuser interference suppression is employed at the cooperative end. We consider two scenarios;...
The author presents new analytical approach of the bit error rate (BER) performance for multicode code division multiple access (CDMA) systems equipped with a multipath interference canceler (MPIC) over multipath fading channels. Numerical results obtained from the proposed analytical approach indicate that the performance mismatch between the previous analysis and simulations is generated by the...
In this letter, we first define a cognitive network to be useful if at least one node can be scheduled to transmit without causing significant simultaneous interference to any primary user and then investigate the interaction between secondary network size and the probability of the secondary network being useful. First the size of the primary network is fixed, and we analyze how quickly the interference...
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