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New analytical framework for the products of independent RVs with wireless applications
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Chen, Yunfei, Karagiannidis, George K., Lu, Hao and Cao, Ning (2012) New analytical framework for the products of independent RVs with wireless applications. In: Wireless Communications and Networking Conference (WCNC), 2012 IEEE, Paris, France, 1-4 April 2012. Published in: 2012 IEEE Wireless Communications and Networking Conference (WCNC) pp. 103-108. ISBN 9781467304368. doi:10.1109/WCNC.2012.6213927
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Official URL: http://dx.doi.org/10.1109/WCNC.2012.6213927
Abstract
A novel analytical framework for evaluating the statistics of the products of independent random variables is proposed. Compared with other methods which use either an infinite series or a special function, the new method provides simple and efficient closed-form approximations in terms of elementary functions, such as powers and exponentials, and therefore, is very easy to implement. The accuracy of the new approximation is examined. Numerical results show that it is quite accurate in most regions of interest. As an application, these new approximations are used in wireless communications theory to derive novel closed-form expressions for the outage probability of cascaded fading channels. Numerical examples show that the newly derived closed-form expressions provide insights on the behavior of important performance metrics as the outage probability, the bit error rate and the channel capacity.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | 2012 IEEE Wireless Communications and Networking Conference (WCNC) | ||||
| Publisher: | IEEE | ||||
| ISBN: | 9781467304368 | ||||
| Book Title: | 2012 IEEE Wireless Communications and Networking Conference (WCNC) | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| Page Range: | pp. 103-108 | ||||
| DOI: | 10.1109/WCNC.2012.6213927 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | Wireless Communications and Networking Conference (WCNC), 2012 IEEE | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Paris, France | ||||
| Date(s) of Event: | 1-4 April 2012 |
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