Abstract
In this paper, we study the problem of energy minimization for multicasting in cognitive radio networks, using omnidirectional and directional antennas. Our objectives are to build the multicast routing tree and schedule the secondary users' transmissions such that the total energy consumption is minimized. We consider in this paper the energy consumption due to channels switching, and we study the channel switching and scheduling dependency. We model the problem as a MultiLayer Hyper Graph, then we formulate the optimization problem as Mixed Integer Linear Program (MILP). Moreover, we propose a heuristic algorithm to solve our problem in polynomial time. We also show how the primary users, directional antennas, the number of available channels and channel switching time per frequency jumping step affect the total energy consumption. The simulation results shows that our proposed algorithm achieves close performance to the optimal solution.
| Original language | English |
|---|---|
| Title of host publication | 2017 IEEE International Conference on Communications, ICC 2017 |
| Editors | Merouane Debbah, David Gesbert, Abdelhamid Mellouk |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781467389990 |
| DOIs | |
| State | Published - 28 Jul 2017 |
| Externally published | Yes |
| Event | 2017 IEEE International Conference on Communications, ICC 2017 - Paris, France Duration: 21 May 2017 → 25 May 2017 |
Publication series
| Name | IEEE International Conference on Communications |
|---|---|
| ISSN (Print) | 1550-3607 |
Conference
| Conference | 2017 IEEE International Conference on Communications, ICC 2017 |
|---|---|
| Country/Territory | France |
| City | Paris |
| Period | 21/05/17 → 25/05/17 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- cognitive radio network
- directional antenna
- Energy efficiency
- multicast
- routing
- scheduling
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