Dynamic Control Policy for Delay Guarantees in Multi-hop Wireless Networks

This paper considers the dynamic control of stochastic networks for the guaranteed delay with network utility maximization in multi-hop wireless networks. On contrary to single hop case, the delay is difficult to predict in multi-hop scenarios due to their unpredictable traffic pattern and variable...

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Bibliographic Details
Published inWireless personal communications Vol. 80; no. 2; pp. 647 - 670
Main Authors Huynh, Thong, Pham, Ngoc-Thai, Lee, Suk-Hwan, Hwang, Won-Joo
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.01.2015
Subjects
Algorithms
Communications Engineering
Computer Communication Networks
Computer simulation
Delay
Dynamic control
Engineering
Maximization
Networks
Policies
Signal,Image and Speech Processing
Utilities
Wireless networks
Flow control
Multi-hop network
Scheduling
Delay guarantee
Optimal control
Stochastic network optimization
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Summary:This paper considers the dynamic control of stochastic networks for the guaranteed delay with network utility maximization in multi-hop wireless networks. On contrary to single hop case, the delay is difficult to predict in multi-hop scenarios due to their unpredictable traffic pattern and variable queuing time in intermediate nodes. We present here a control policy for joint flow control and scheduling which can achieve high network utility and guarantees delay constraints. In addition, we derive the capacity region of the network under a given delay condition. Simulation results show that the proposed policy achieves near optimal network utility with delay guaranteed compare to exiting algorithms.
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ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-014-2033-3