Resource Allocation in MIMO setup
Felix Ma Yun, Jordan Nabi, Mitra Hassani

TL;DR
This paper investigates channel capacity in MIMO systems with linear antenna arrays, comparing energy distribution strategies and establishing capacity bounds, providing insights into optimal resource allocation.
Contribution
It introduces two energy distribution scenarios in MIMO setups and derives an upper capacity bound for the evenly distributed energy case, comparing it to SISO channels.
Findings
Upper bound for channel capacity with even energy distribution
Comparison showing MIMO can outperform SISO under certain conditions
Capacity depends on energy distribution strategy
Abstract
In a multi-input multi-output (MIMO) setup, where one side of the link comprises a linear antenna array, data can be transmitted over the direction of incident rays. Channel capacity for this setup is studied in this paper. We define two different setups; one when the energy is constant and equal over all rays, and one when available energy is evenly distributed over rays. For the latter, we show that there is an upper bound for channel capacity, regardless of the number of rays and antennas. Also, we have compared this setup with the legacy single-input single-output (SISO) AWGN channel.
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Taxonomy
TopicsAdvanced MIMO Systems Optimization · Advanced Wireless Communication Techniques · Cooperative Communication and Network Coding
