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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 44439 (05)
- University: Sharif University of Technology
- Department: Electrical Engineering
- Advisor(s): Golestani, Jamaloddin
- Abstract:
- Increasing demand for higher data rates and more reliable communications along with growing applications of multimedia networks in everyday life on one hand, and limited resources on the other, have given rise to researches investigating spectrum efficiency enhancement techniques, among which multiuser diversity has always been of considerable importance. This thesis is a study on utilization of multiuser diversity in wireless LANs via scheduling. Where throughput and Quality of Service (QoS) in communication networks are being investigated, it is mostly advantageous to describe the traffic behavior of resources by greedy or non-greedy models. So far, there are plenty of investigations on scheduling in wireless LANs which have benefited from this modeling. Among these studies, there seems to be a gap for scheduling schemes in networks consisting of users with greedy and non-greedy traffic models, which should deal with a tradeoff between maximizing throughput and QoS of the users. To this end, a scenario consisting of users with greedy and non-greedy traffic models is considered, and scheduling schemes for achieving higher spectrum efficiency and providing stability for non-greedy users and fairness for greedy users are applied
- Keywords:
- Scheduling ; Justice ; Multiuser Diversity ; Service Quality ; Throughput ; Greedy Traffics ; Nongreedy Traffics
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