异构多接入网并发传输的时延界分析及分流策略

doi:10.3969/j.issn.1001-2400.2013.02.002

Abstract

Abstract:

We focus our attention on how to get optimal performance of concurrent transmission in heterogeneous networks. An equivalent queuing model is used to analyze the end-to-end delay performance of perfect splitting strategy with the theoretical delay bound found. Furthermore, two splitting algorithms, Minimum Queuing Delay based splitting strategy (MQD) and Unified Queuing Management Based Splitting Strategy (UQM), are presented based on the joint resources scheduled in different RATs (Radio Access Technology). In the two-RAT scenario, the two-dimensional discrete-state continuous-time Markov process is used to analyze our schemes with close-formed solutions found. Simulation results demonstrate that our proposed flow splitting strategies utilize the system resources efficiently and outperform current strategies, getting close to the theoretical delay bound especially in the heavy load region.

Key words: heterogeneous network, concurrent transmission, flow splitting strategy

MA Xiao;SEHGN Min;ZHANG Yan. Delay bound analysis and splitting strategies of concurrent transmission in heterogeneous networks[J].J4, 2013, 40(2): 5-12.

References

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Delay bound analysis and splitting strategies of concurrent transmission in heterogeneous networks

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