Selective Iterative Waterfilling for Digital Subscriber Lines

被引：0
|
作者：
Yang Xu
Tho Le-Ngoc
Saswat Panigrahi
机构：
[1] McGill University,Department of Electrical and Computer Engineering
来源：
EURASIP Journal on Advances in Signal Processing | / 2007卷
关键词：
Information Technology; Quantum Information; Digital Subscriber Line;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents a high-performance, low-complexity, quasi-distributed dynamic spectrum management (DSM) algorithm suitable for DSL systems. We analytically demonstrate that the rate degradation of the distributed iterative waterfilling (IW) algorithm in near-far scenarios is caused by the insufficient utilization of all available frequency and power resources due to its nature of noncooperative game theoretic formulation. Inspired by this observation, we propose the selective IW (SIW) algorithm that can considerably alleviate the performance degradation of IW by applying IW selectively to different groups of users over different frequency bands so that all the available resources can be fully utilized. For [inline-graphic not available: see fulltext] users, the proposed SIW algorithm needs at most [inline-graphic not available: see fulltext] times the complexity of the IW algorithm, and is much simpler than the centralized optimal spectrum balancing (OSB), while it can offer a rate performance much better than that of the IW and close to the maximum possible rate region computed by the OSB in realistic near-far DSL scenarios. Furthermore, its predominantly distributed structure makes it suitable for DSL implementation.
引用
收藏
相关论文
共 50 条
  • [1] Selective iterative waterfilling for digital subscriber lines
    Xu, Yang
    Le-Ngoc, Tho
    Panigrahi, Saswat
    EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING, 2007, 2007 (1)
  • [2] Analysis of iterative waterfilling algorithm for multiuser power control in digital subscriber lines
    Luo, Zhi-Quan
    Pang, Jong-Shi
    Eurasip Journal on Applied Signal Processing, 2006, 2006 : 1 - 10
  • [3] Analysis of Iterative Waterfilling Algorithm for Multiuser Power Control in Digital Subscriber Lines
    Zhi-Quan Luo
    Jong-Shi Pang
    EURASIP Journal on Advances in Signal Processing, 2006
  • [4] Analysis of iterative waterfilling algorithm for multiuser power control in digital subscriber lines
    Luo, Zhi-Quan
    Pang, Jong-Shi
    EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING, 2006, 2006 (1) : 1 - 10
  • [5] Iterative spectrum balancing for digital subscriber lines
    Cendrillon, R
    Moonen, M
    ICC 2005: IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5, 2005, : 1937 - 1941
  • [6] Digital subscriber lines
    Cioffi, J
    Silverman, P
    Starr, T
    COMPUTER NETWORKS-THE INTERNATIONAL JOURNAL OF COMPUTER AND TELECOMMUNICATIONS NETWORKING, 1999, 31 (04): : 283 - 311
  • [7] BROADCAST DIGITAL SUBSCRIBER LINES
    CHEN, WY
    IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 1995, 13 (09) : 1550 - 1557
  • [8] Generalized iterative spectrum balancing and grouped vectoring for maximal throughput of digital subscriber lines
    Forouzan, AR
    Garth, LM
    GLOBECOM '05: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-6: DISCOVERY PAST AND FUTURE, 2005, : 2359 - 2363
  • [9] LINE CODES FOR DIGITAL SUBSCRIBER LINES
    LECHLEIDER, JW
    IEEE COMMUNICATIONS MAGAZINE, 1989, 27 (09) : 25 - 32
  • [10] Spectrum management for digital subscriber lines
    Rashdi, A
    Sheikh, NM
    SCONEST 2004: STUDENT CONFERENCE ON ENGINEERING SCIENCES AND TECHNOLOGY, 2002, : 7 - 11
12345