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arXiv · 1506.06390

A Waterfilling Algorithm for Multiple Access Point Connectivity with Constrained Backhaul Network

Syed Amaar Ahmad
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Abstract

The 4G/5G paradigm offers User Equipment (UE) simultaneous connectivity to a plurality of wireless Access Points (APs). We consider a UE communicating with its destination through multiple uplinks operating on orthogonal wireless channels with unequal bandwidth. The APs are connected via a tree-like backhaul network with destination at the root and non-ideal link capacities. We develop a power allocation scheme that achieves a near-optimal rate without explicit knowledge of the backhaul network topology at transmitter side. The proposed algorithm waterfills a dynamic subset of uplinks using a low-overhead backhaul load feedback.

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Syed Amaar Ahmad. 2015-06-21. A Waterfilling Algorithm for Multiple Access Point Connectivity with Constrained Backhaul Network. https://doi.org/10.1109/lwc.2015.2451076

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