Resource Allocation for Dual Connectivity with Millimeter Wave based Fronthaul in Cloud RAN

Ramamoorthi, Yoghitha and Kumar, Abhinav and Donelli, Massimo (2019) Resource Allocation for Dual Connectivity with Millimeter Wave based Fronthaul in Cloud RAN. In: 2019 11th International Conference on Communication Systems and Networks, COMSNETS 2019, 7-11 January 2019, Bangalore, India.

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Cloud radio access networks (C-RAN) and millimeter wave (mmwave) based remote radio heads (RRHs) have been proposed in 5G. Further, dual connectivity (DC) has been introduced in cellular networks to increase the per-user throughput of the system. The implementation of DC requires user's information to be shared and processed for all the participating RRHs. In this work, we consider DC in C-RAN with mmwave based fronthaul between the virtualized base band unit (BBU) pool and the RRHs. Given a generalized \alpha-fair scheduler, the resource allocation problem for the mmwave based fronthaul is formulated for a DC system. The optimal time fraction that the virtualized BBU pool should serves each RRH is analytically derived. Further, the association of DC is numerically solved with this fronthaul resource allocation. Numerical results are presented that indicate that the proposed solution outperforms the existing benchmark in terms of the user throughput for a marginal increase in the required fronthaul capacity.

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Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Indexed in Scopus and WoS
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Library Staff
Date Deposited: 21 Oct 2019 04:59
Last Modified: 07 Nov 2019 05:40
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