Approximate Modeling of Wireless Channel Based on Service Process Burstiness
نویسندگان
چکیده
For link packet loss rate, delay and throughput etc. QoS performance analysis in wireless communication systems, queuing analysis based on measuring or estimating models for traffic flow and wireless channel is one of critical technologies. However, the complicated modern wireless communication systems and unreliable wireless channels usually cause accurate wireless channel models very complicated, which makes queuing analysis be of high computation complexity. Burstiness, induced by the effect of a fading channel process and modulation and coding technology in physical layer, is one of critical factors affecting QoS performance of wireless communication systems. To this end, this paper proposes a novel simpler modeling method, by which one can get a relatively simpler wireless channel model whose burstiness behavior is equivalent to that of the original channel model. Numerical examples are given to show the effectiveness of the proposed model.
منابع مشابه
Dimensioning the packet loss burstiness over wireless channels: a novel metric, its analysis and application
The packet loss burstiness over wireless channels is commonly acknowledged as a key impacting factor on the performance of networking protocols. An accurate evaluation of the packet loss burstiness, which reveals the characteristics and performance of the wireless channels, is crucial to the design of wireless systems and the quality-of-service provisioning to end users. In this paper, a simple...
متن کاملPerformance of the Wavelet Transform-Neural Network Based Receiver for DPIM in Diffuse Indoor Optical Wireless Links in Presence of Artificial Light Interference
Artificial neural network (ANN) has application in communication engineering in diverse areas such as channel equalization, channel modeling, error control code because of its capability of nonlinear processing, adaptability, and parallel processing. On the other hand, wavelet transform (WT) with both the time and the frequency resolution provides the exact representation of signal in both doma...
متن کاملA New Method based on Intelligent Water Drops for Multicast Routing in Wireless Mesh Networks
In recent years a new type of wireless networks named wireless mesh networks has drawn the attention of researchers. In order to increase the capacity of mesh network, nodes are equipped with multiple radios tuned on multiple channels emerging multi radio multi channel wireless mesh networks. Therefore, the main challenge of these networks is how to properly assign the channels to the radios. O...
متن کاملModeling multipath fading channel dynamics for packet data performance analysis
The multipath fading channel modeling traditionally focuses on physical-level dynamics such as signal strength and bit error rate. In this paper we characterize multipath fading channel dynamics at the packet-level and analyze the corresponding data queueing performance in various environments. The integration of wireless channel modeling and data queueing analysis provides us a unique way to c...
متن کاملA Call Admission Control Algorithm Based on Stochastic Performance Bound for Wireless Networks
In this paper, we derive stochastic performance bounds under the assumption of exponentially bounded burstiness (EBB) traffic model and exponentially bounded fluctuation (EBF) channel model. Then we propose a measurement-based call admission algorithm providing statistical service level agreement (SLA) guarantee for accepted flows based on the QoS prediction equations for both single and multip...
متن کامل