Understanding digital subscriber line technology
Understanding digital subscriber line technology
Green DSL: energy-efficient DSM
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Autonomous Spectrum Balancing for Digital Subscriber Lines
IEEE Transactions on Signal Processing
Distributed Spectrum Management Algorithms for Multiuser DSL Networks
IEEE Transactions on Signal Processing - Part I
Distributed multiuser power control for digital subscriber lines
IEEE Journal on Selected Areas in Communications
Optimality, fairness, and robustness in speed scaling designs
Proceedings of the ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Improved dual decomposition based optimization for DSL dynamic spectrum management
IEEE Transactions on Signal Processing
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Given that broadband access networks are an integral part of the ICT infrastructure and that DSL is the most widely deployed broadband access technology, greening DSL has become important. Our recent work demonstrated a promising tradeoff between data rate performance and energy conservation. However, more greening still implies possibly lower data rate, and allocating this "price of greening" across interfering users needs to be fair. This paper proposes four for- mulations of fair greening in interference-limited networks, unifies them into one general representation, and develops a unified algorithm to solve them effectively. Simulations quantify the intuitions on fairness in greening DSL, as these four alternative approaches offer a range of choices between maintaining a high sum data rate and enforcing various definitions of fairness. Fairness of allocating the price of greening is also interesting in its own right.