TY - JOUR
T1 - Load balancing algorithm within the small cells of heterogeneous UDN networks
T2 - Mathematical proofs
AU - Salhani, Mohamad
AU - Liinaharja, Markku
PY - 2018/11/1
Y1 - 2018/11/1
N2 - Ultra-Dense Networks (UDNs) can be used to improve coverage. With limited network capacity and the dense development of wireless networks, heterogeneous ultra-dense networks are set to satisfy the increasing demands of mobile users. However, the dense deployment of small cells in the hotspots of UDN networks generates an uneven traffic distribution. To address this problem, this paper proposes novel load balancing approaches implemented within the small cells, which are formed based on the Radio-over-Fiber (RoF) system. To select the best overlapping zone and then the best candidate user to be handed-over between the access points of the small cells, a common zone approach, a worst zone approach and a mixed approach are suggested. The results indicate that the proposed algorithm improves the performance of UDN networks when the load is unbalanced. The balance improvement ratio can reach on average 89.16%.
AB - Ultra-Dense Networks (UDNs) can be used to improve coverage. With limited network capacity and the dense development of wireless networks, heterogeneous ultra-dense networks are set to satisfy the increasing demands of mobile users. However, the dense deployment of small cells in the hotspots of UDN networks generates an uneven traffic distribution. To address this problem, this paper proposes novel load balancing approaches implemented within the small cells, which are formed based on the Radio-over-Fiber (RoF) system. To select the best overlapping zone and then the best candidate user to be handed-over between the access points of the small cells, a common zone approach, a worst zone approach and a mixed approach are suggested. The results indicate that the proposed algorithm improves the performance of UDN networks when the load is unbalanced. The balance improvement ratio can reach on average 89.16%.
KW - Common zone approach
KW - Jain's fairness index
KW - Load balancing algorithm
KW - Mixed approach
KW - RoF
KW - UDN
KW - Worst zone approach
UR - http://www.scopus.com/inward/record.url?scp=85056617816&partnerID=8YFLogxK
U2 - 10.12720/jcm.13.11.627-634
DO - 10.12720/jcm.13.11.627-634
M3 - Article
AN - SCOPUS:85056617816
SN - 2374-4367
VL - 13
SP - 627
EP - 634
JO - Journal of Communications
JF - Journal of Communications
IS - 11
ER -