带有混合能量供电的TWDM-PON与C-RAN联合架构资源分配机制

doi:10.11959/j.issn.1000-436x.2018156

Abstract

Abstract:

Aiming at the problems of low resource utilization rate,high energy consumption and poor user service quality in the existing virtualized Cloud Radio Access Network,an energy-aware virtualized resource allocation mechanism with hybrid energy supply was proposed.According to the energy sources and energy consumption of different network devices,energy arrival and energy consumption models were established.Furthermore,under the premise of guaranteeing the quality of user services,considering proportional fairness and energy consumption optimization,distributed algorithms based on asynchronous update were used to allocate resources and harvested energy for different types of virtual cloud radio access networks and user virtual base stations to effectively improve the energy efficiency of network.The simulation results show that the proposed resource allocation mechanism can reduce energy consumption while effectively reducing the latency and improving the throughput.

Key words: cloud radio access network, network virtualization, time and wavelength division multiplexing-passive optical network, energy harvesting, resource sharing allocation

CLC Number:

TP393.04

Ruyan WANG,Ningning XU. Resource allocation mechanism in the TWDM-PON and C-RAN joint architecture with hybrid energy supply[J]. Journal on Communications, 2018, 39(9): 94-109.

Figures/Tables 9

参数设定	参数数值
$P_{base}, P_{port}, P_{cooling_pool} / W$	50,15,500
$P_{RRH}, P_{ONU} / W$	20,7.7
$P_{LC}, P_{BBU} / W$	5,100
$b_{}^{VoIP}, b_{}^{IPTV}, b_{}^{web}, b_{}^{video} / M B$	3,5,2,7
$T_{max}^{VoIP}, T_{\max}^{IPTV}, T_{\max}^{web}, T_{\max}^{video} / m s$	150,200,1 000,150
$T_{t r a s}^{MB} / μ s$	250

References 26

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