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In this paper we propose a frame traffic control algorithm in the media access control (MAC) layer for IEEE802.11 wireless local area networks (WLANs), namely the Adaptive Frame Size Proportion Optimization (AFSPO) algorithm. The algorithm adaptively adjusts the sending frame size of each station in the network based on the real-time proportion of data frames, to weaken the self-similar characteristics...
Lots of works have showed that the wireless LAN frame traffic is self-similar and obeyed in the heavy-tailed distribution. This paper analyzes a frame traffic data collected from real IEEE 802.11 networks, and studies the impacts of each type of frame traffic (management frame traffic, control frame traffic, data frame traffic, and retransmission frame traffic) on characteristics of self-similarity...
In this study, we analyze the impact of different types of frame traffic on the self-similar behavior of the aggregated frame traffic, collected from the IETF 2005 conference. Our measurement results show that the different types of frame traffic have various impacts on the self-similarity of the aggregated frame traffic in different session periods, and these impacts are simultaneously related with...
This paper proposes a new mathematical QoS model called LRD_Q_Model for long range dependence (LRD) multimedia flows on the basis of network calculus theory. In LRD_Q_Model, the packets of a LRD flow are regulated by the Fractal Leak Bucket model at the edge nodes of networks and scheduled by the weighted fairness queuing (WFQ) model at each router of the transmission path. We give the service curve...
One of the key issues in the next generation wireless cellular networks is to support multiple services, in which call admission control policy has to guarantee the different quality of service (QoS) requirement from diverse applications, and at the same time ensure the scarce bandwidth be utilized efficiently. In this paper, we propose a new call admission control scheme called dual dynamic threshold...
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