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Congestion-Aware Handover in LTE Systems for Load Balancing in Transport Network
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  • Congestion-Aware Handover in LTE Systems for Load Balancing in Transport Network
  • Congestion-Aware Handover in LTE Systems for Load Balancing in Transport Network
저자명
Marwat. Safdar Nawaz Khan,Meyer. Sven,Weerawardane. Thushara,Goerg. Carmelita
간행물명
ETRI journal
권/호정보
2014년|36권 5호|pp.761-771 (11 pages)
발행정보
한국전자통신연구원
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정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Long-Term Evolution employs a hard handover procedure. To reduce the interruption of data flow, downlink data is forwarded from the serving eNodeB (eNB) to the target eNB during handover. In cellular networks, unbalanced loads may lead to congestion in both the radio network and the backhaul network, resulting in bad end-to-end performance as well as causing unfairness among the users sharing the bottleneck link. This work focuses on congestion in the transport network. Handovers toward less loaded cells can help redistribute the load of the bottleneck link; such a mechanism is known as load balancing. The results show that the introduction of such a handover mechanism into the simulation environment positively influences the system performance. This is because terminals spend more time in the cell; hence, a better reception is offered. The utilization of load balancing can be used to further improve the performance of cellular systems that are experiencing congestion on a bottleneck link due to an uneven load.