Fair Allocation of Backhaul Resources in Multi-Cell MIMO Co-operative Networks
Hazem M. Soliman, Omar A. Nasr, Mohamed M. Khairy

TL;DR
This paper addresses the challenge of fairly allocating limited backhaul bandwidth in Multi-cell MIMO cooperative networks, proposing novel schemes that balance sum-rate maximization with fairness among users.
Contribution
It introduces two new schemes, Equal SIR and Equal Interference, that improve fairness while maintaining near maximum sum-rate in backhaul allocation.
Findings
Equal SIR scheme achieves zero variance among users.
Proposed schemes outperform conventional equal bandwidth allocation.
Fairness is improved without significant loss in total sum-rate.
Abstract
In this paper the problem of allocating the limited backhaul bandwidth among users in Multi-cell MIMO cooperative networks is considered. We approach the problem from both the sum-rate and fairness perspectives. First, we show that there are many allocations that can provide near maximum sumrate while varying significantly in fairness, which is assessed through the mean versus variance criteria. Second, Two novel schemes that achieve near maximum sum-rate while offering fair allocation of the backhaul bandwidth among users are proposed: the Equal Signal-to-Interference ratio (SIR) and the Equal Interference schemes. Simulation results show that, for the same mean rate among users, the proposed schemes can achieve more fairness when compared to the conventional scheme, which gives all users the same share of bandwidth. Moreover, we show that the Equal SIR scheme can achieve zero variance…
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Taxonomy
TopicsAdvanced MIMO Systems Optimization · Cooperative Communication and Network Coding · ICT Impact and Policies
