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The MAC protocol is important, especially for wireless LAN because of limited bandwidth. A great deal of research has been carried out and some of proposed schemes are effective. Specifically, considerable effort has been devoted to improving the IEEE 802.11 standard which is utilized widely. Previous theoretical analysis gave the upper bound of IEEE 802.11 DCF throughput which is far below the channel...
In this paper we investigate whether scheduling packets based on path information can improve the fairness in an ad hoc network. The users may have a need for a predictable service over time and common to the whole ad hoc network. However, the performance depends on the path between sender and receiver, and it will therefore vary over time. Two schemes are analyzed; the first scheme differentiates...
This paper proposes multicast scheduling mechanism with the number of receiver in OLT that gives priority to favorite multicast service. By doing so, we can support better QoS to more favorable multicast service in EPON.
This paper explores the attributes, layering models and objective functions in cross layer designs for mobile ad hoc wireless networks by taking all the statistical characteristics and constraints from the physical (PHY) layer, media access control (MAC) layer and network (NET) layer into consideration. This paper reviews the entire network optimization across all the PHY/MAC/NET layers. At the PHY...
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