Outage Probability, Average Transmission Time, and Quality of Experience for Cognitive Radio Networks over General Fading Channels
| Document type: | Conference Papers |
|---|---|
| Peer reviewed: | Yes |
| Author(s): | Hung Tran, Hans-Jürgen Zepernick, Markus Fiedler, Hoc Phan |
| Title: | Outage Probability, Average Transmission Time, and Quality of Experience for Cognitive Radio Networks over General Fading Channels |
| Conference name: | Euro-NF Conference on Next Generation Internet |
| Year: | 2012 |
| Publisher: | IEEE |
| City: | Karlskrona, Sweden |
| Organization: | Blekinge Institute of Technology |
| Department: | School of Computing (Sektionen för datavetenskap och kommunikation) School of Computing S-371 79 Karlskrona +46 455 38 50 00 http://www.bth.se/com |
| Authors e-mail: | htr@bth.se, hjz@bth.se, mfi@bth.se, hph@bth.se |
| Language: | English |
| Abstract: | In this paper, we examine the delay performance in cognitive radio networks (CRNs) over general fading channels where secondary users are allowed to simultaneously access the spectrum licensed by primary users. In particular, subject to the peak interference power constraint, we investigate the effect of general fading channels on the delivery delay of data packets and acknowledgements (ACKs). A lower bound of outage probability and an upper bound of average transmission time are derived by utilizing the concept of timeout. Specifically, we apply the above results to investigate the quality of experience (QoE) for various fading channels, such as one-sided Gaussian, Rayleigh, Nakagami-m and Weibull channels. The numerical results indicate that the delay of ACKs under severe fading leads to a degradation of system performance. |
| Subject: | Telecommunications\General |
| Keywords: | Cognitive Radio Networks, QoE, General Fading Channels, Performance Analysis |
