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Optimal multiuser spectrum balancing for digital subscriber lines
Abstract
Crosstalk is a major issue in modern digital subscriber line (DSL) systems such as ADSL and VDSL. Static spectrum management, which is the traditional way of ensuring spectral compatibility, employs spectral masks that can be overly conservative and lead to poor performance. This paper presents a centralized algorithm for optimal spectrum balancing in DSL. The algorithm uses the dual decomposition method to optimize spectra in an efficient and computationally tractable way. The algorithm shows significant performance gains over existing dynamics spectrum management (DSM) techniques, e.g., in one of the cases studied, the proposed centralized algorithm leads to a factor-of-four increase in data rate over the distributed DSM algorithm iterative waterfilling.
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Citations
Cited by
Dynamic Spectrum Management: Complexity and Duality
Luo, Z.-Q., & Zhang, S. (2008) · IEEE Journal of Selected Topics in Signal Processing · doi:10.1109/jstsp.2007.914876 · Cited by 929
Exploiting Multi-Antennas for Opportunistic Spectrum Sharing in Cognitive Radio Networks
Zhang, R., & Liang, Y.-C. (2008) · IEEE Journal of Selected Topics in Signal Processing · doi:10.1109/jstsp.2007.914894 · Cited by 834
An introduction to convex optimization for communications and signal processing
Luo, Z.-Q., & Yu, W. (2006) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2006.879347 · Cited by 562
Self-citationDecomposition by Partial Linearization: Parallel Optimization of Multi-Agent Systems
Scutari, G., Facchinei, F., Song, P., Palomar, D. P., & Pang, J.-S. (2014) · IEEE Transactions on Signal Processing · doi:10.1109/tsp.2013.2293126 · Cited by 338
Coordinated Scheduling and Power Allocation in Downlink Multicell OFDMA Networks
Venturino, L., Prasad, N., & Wang, X. (2009) · IEEE Transactions on Vehicular Technology · doi:10.1109/tvt.2009.2013233 · Cited by 305
Metadata
- Authors
- Cendrillon, R., Yu, W., Moonen, M., Verlinden, J., & Bostoen, T.
- Venue
- IEEE Transactions on Communications
- Published
- 2006-05
- Volume
- 54
- Issue
- 5
- Pages
- 922-933
- ISSN
- 0090-6778 (ISSN-L)
- OpenAlex
- W2110391887
- Cited by
- 359
- References
- 0
- FWCI
- 39.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cendrillon, R., Yu, W., Moonen, M., Verlinden, J., & Bostoen, T. (2006). Optimal multiuser spectrum balancing for digital subscriber lines. IEEE Transactions on Communications. https://doi.org/10.1109/tcomm.2006.873096
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