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- 저자 : Yongfu Hou (검색결과 1 건)
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Energy Efficient Topology Control for Multi-Hop Relay Cellular Networks Based on Flow Management
Yifei Wei,Yongfu Hou,Li Li,Mei Song 한국통신학회 2017 Journal of communications and networks Vol.19 No.6
The rapid expansion of mobile communication networkshas led to a significant increase of energy consumption, and the energyconsumption of wireless access networks accounted for nearly90%. As an important form of the wireless access networks, multihoprelay networks have been widely deployed in the existing cellularnetworks. Consequently, improving the energy efficient ofmulti-hop relay cellular networks is crucial for communication networks. In this paper, we design an energy flow management frameworkfor multi-hop relay cellular networks, which contains routingplanning, traffic adjustment and power allocation. In orderto reduce the energy consumption and guarantee the system capacity,a heuristic algorithm is designed in this paper, which mixesthe ant colony algorithm with convex optimization theory. In orderto verify the effect of the proposed algorithm, we make numericalsimulation and compare it with other network management strategies,such as ant colony algorithm, shortest path routing strategyand greedy algorithm. Simulation results show that by our algorithm,the energy consumption can be reduced compared with theant colony algorithm, shortest path and greedy algorithm while ensuringthe demand of quality of service (QoS).
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