Toward Fully Coordinated Multi-level Multi-carrier Energy Efficient Networks
Piotr Wiecek, Majed Haddad, Oussama Habachi, Yezekael Hayel

TL;DR
This paper introduces a hierarchical power control game for multi-carrier wireless networks that enables autonomous, spectrum-efficient coordination among heterogeneous devices without centralized control.
Contribution
It proposes two simple, nearly-optimal algorithms for spectrum coordination in multi-level power control games, reducing complexity compared to exhaustive search.
Findings
Algorithms ensure complete spectrum coordination among users
Complexity of algorithms is quadratic in the number of users
Optimal exhaustive search complexity is factorial in the number of users
Abstract
Enabling coordination between products from different vendors is a key characteristic of the design philosophy behind future wireless communication networks. As an example, different devices may have different implementations, leading to different user experiences. A similar story emerges when devices running different physical and link layer protocols share frequencies in the same spectrum in order to maximize the system-wide spectral efficiency. In such situations, coordinating multiple interfering devices presents a significant challenge not only from an interworking perspective (as a result of reduced infrastructure), but also from an implementation point of view. The following question may then naturally arise: How to accommodate integrating such heterogeneous wireless devices seamlessly? One approach is to coordinate the spectrum in a centralized manner. However, the desired…
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Taxonomy
TopicsAdvanced MIMO Systems Optimization · Wireless Communication Networks Research · Advanced Wireless Network Optimization
