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| Energy-saving Mechanism of Integrated Fiber-wireless Access Network with Uplink Data Frame Aggregation |
| WU Dapeng WU Guangkai WANG Ruyan |
(School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China)
(Key Laboratory of Optical Communication and Network, Chongqing 400065, China) |
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Abstract Integrated Fiber-Wireless (FiWi) access network has the problems of low utilization rate of optical network unit and large control overhead during data transmission. In this paper, an energy saving mechanism with uplink data frame aggregation is proposed, the M/G/1 model is used to analyze the queue delay of the data frame in the wireless domain node and the optical domain node, by combining with the maximum tolerable delay of different priority, the optimal length of the aggregation frame is deduced in different network conditions. And then according to the optimal frame length to perform sleep scheduling for optical domain nodes, on the premise of guaranteeing the service delay, as much as possible to extend the length of node sleep time, and then the network energy efficiency is improved. The simulation results show that the proposed method can effectively reduce the energy consumption of the whole network and guarantee the delay performance.
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Received: 26 May 2017
Published: 08 November 2017
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| Fund:The National Natural Science Foundation of China (61771082), The Chongqing Funded Project of Chongqing University Innovation Team Construction (CXTDX201601020), The Science and Technology Research Project of Chongqing Municipal Education Commission (KJ1401126) |
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Corresponding Authors:
WU Guangkai
E-mail: 87635415@qq.com
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