Calibration and Evaluation of Fixed and Mobile Relay-Based System Level Simulator
Future wireless communication systems are expected to provide more stable and higher data rate transmissions in the whole OFDMA networks, but the mobile stations (MSs) in the cell boundary experience poor spectral efficiency due to the path loss from the transmitting antenna and interference from ad...
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| Format: | Article |
| Language: | English |
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Wiley
2010-01-01
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| Series: | Journal of Computer Systems, Networks, and Communications |
| Online Access: | http://dx.doi.org/10.1155/2010/149257 |
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| author | Shahid Mumtaz Le Thanh Tu Kazi Saidul Atílio Gameiro |
| author_facet | Shahid Mumtaz Le Thanh Tu Kazi Saidul Atílio Gameiro |
| author_sort | Shahid Mumtaz |
| collection | DOAJ |
| description | Future wireless communication systems are expected to provide more stable and higher data rate transmissions in the whole OFDMA networks, but the mobile stations (MSs) in the cell boundary experience poor spectral efficiency due to the path loss from the transmitting antenna and interference from adjacent cells. Therefore, satisfying QoS (Quality of Service) requirements of each MS at the cell boundary has been an important issue. To resolve this spectral efficiency problem at the cell boundary, deploying relay stations has been actively considered. As multihop/relay has complex interactions between the routing and medium access control decisions, the extent to which analytical expressions can be used to explore its benefits is limited. Consequently, simulations tend to be the preferred way of assessing the performance of relays. In this paper, we evaluate the performance of relay-assisted OFDMA networks by means of system level simulator (SLS). We consistently observed that the throughput is increased and the outage is decreased in the relay-assisted OFDMA network, which is converted to range extension without any capacity penalty, for the realistic range of values of the propagation and other system parameters investigated. |
| format | Article |
| id | doaj-art-b65225a5403f4bddb666e5bd5b3f78d9 |
| institution | DOAJ |
| issn | 1687-7381 1687-739X |
| language | English |
| publishDate | 2010-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Computer Systems, Networks, and Communications |
| spelling | doaj-art-b65225a5403f4bddb666e5bd5b3f78d92025-08-20T03:20:54ZengWileyJournal of Computer Systems, Networks, and Communications1687-73811687-739X2010-01-01201010.1155/2010/149257149257Calibration and Evaluation of Fixed and Mobile Relay-Based System Level SimulatorShahid Mumtaz0Le Thanh Tu1Kazi Saidul2Atílio Gameiro3Institute of Telecommunications, Department of Electronic, Telecommunication and Computer Science, University of Aveiro, Aveiro 3810078, PortugalInstitute of Telecommunications, Department of Electronic, Telecommunication and Computer Science, University of Aveiro, Aveiro 3810078, PortugalInstitute of Telecommunications, Department of Electronic, Telecommunication and Computer Science, University of Aveiro, Aveiro 3810078, PortugalInstitute of Telecommunications, Department of Electronic, Telecommunication and Computer Science, University of Aveiro, Aveiro 3810078, PortugalFuture wireless communication systems are expected to provide more stable and higher data rate transmissions in the whole OFDMA networks, but the mobile stations (MSs) in the cell boundary experience poor spectral efficiency due to the path loss from the transmitting antenna and interference from adjacent cells. Therefore, satisfying QoS (Quality of Service) requirements of each MS at the cell boundary has been an important issue. To resolve this spectral efficiency problem at the cell boundary, deploying relay stations has been actively considered. As multihop/relay has complex interactions between the routing and medium access control decisions, the extent to which analytical expressions can be used to explore its benefits is limited. Consequently, simulations tend to be the preferred way of assessing the performance of relays. In this paper, we evaluate the performance of relay-assisted OFDMA networks by means of system level simulator (SLS). We consistently observed that the throughput is increased and the outage is decreased in the relay-assisted OFDMA network, which is converted to range extension without any capacity penalty, for the realistic range of values of the propagation and other system parameters investigated.http://dx.doi.org/10.1155/2010/149257 |
| spellingShingle | Shahid Mumtaz Le Thanh Tu Kazi Saidul Atílio Gameiro Calibration and Evaluation of Fixed and Mobile Relay-Based System Level Simulator Journal of Computer Systems, Networks, and Communications |
| title | Calibration and Evaluation of Fixed and Mobile Relay-Based System Level Simulator |
| title_full | Calibration and Evaluation of Fixed and Mobile Relay-Based System Level Simulator |
| title_fullStr | Calibration and Evaluation of Fixed and Mobile Relay-Based System Level Simulator |
| title_full_unstemmed | Calibration and Evaluation of Fixed and Mobile Relay-Based System Level Simulator |
| title_short | Calibration and Evaluation of Fixed and Mobile Relay-Based System Level Simulator |
| title_sort | calibration and evaluation of fixed and mobile relay based system level simulator |
| url | http://dx.doi.org/10.1155/2010/149257 |
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