Nothing Special   »   [go: up one dir, main page]

Sarhan et al., 2012 - Google Patents

Jointly optimizing the virtual noise mask and the SNR margin for improved service in xDSL systems

Sarhan et al., 2012

View PDF
Document ID
6603223125244750961
Author
Sarhan W
Klein A
Kuipers M
Publication year
Publication venue
2012 IEEE International Conference on Communications (ICC)

External Links

Snippet

In Digital Subscriber Line (DSL) systems, the concept of Virtual Noise was introduced to improve the protection against fluctuating crosstalk and to increase link stability. This paper investigates the joint optimization of the Virtual Noise power spectral density and the …
Continue reading at www.kt.tu-darmstadt.de (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2608—Allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and telegraphic or other data transmission over the same conductors
    • H04M11/062—Simultaneous speech and telegraphic or other data transmission over the same conductors using different frequency bands for speech and other data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/32—Reducing cross-talk, e.g. by compensating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Supervisory, monitoring, management, i.e. operation, administration, maintenance or testing arrangements
    • H04M3/26—Supervisory, monitoring, management, i.e. operation, administration, maintenance or testing arrangements with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
    • H04M3/304—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using xDSL modems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; Arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks ; Receiver end arrangements for processing baseband signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; Arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Supervisory, monitoring, management, i.e. operation, administration, maintenance or testing arrangements
    • H04M3/26—Supervisory, monitoring, management, i.e. operation, administration, maintenance or testing arrangements with means for applying test signals or for measuring
    • H04M3/34—Testing for cross-talk
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate

Similar Documents

Publication Publication Date Title
Cendrillon et al. Autonomous spectrum balancing for digital subscriber lines
Yu Multiuser water-filling in the presence of crosstalk
US7558315B2 (en) Adaptive margin and band control in digital subscriber line (DSL) systems
US7852952B2 (en) DSL system loading and ordering
US9425858B2 (en) UPBO for vectored DSL
US7898975B2 (en) Method and device for obtaining crosstalk information
US20030108191A1 (en) Method and system for spectrally compatible remote terminal ADSL deployment
CN101610102B (en) Method, system and device for optimizing power
CN101174855A (en) Spectrum management method and apparatus
CN101047459B (en) Method for dynamic managing xDSL specturm and its device
EP1926272B1 (en) Dynamic power spectrum management method, spectrum optimization system and client device
Sarhan et al. Jointly optimizing the virtual noise mask and the SNR margin for improved service in xDSL systems
US20030152141A1 (en) Data Communications
US20050152442A1 (en) Real-time formation of optimal power spectral density masks
Kerpez DSL spectrum management standard
Strobel Channel Modeling and Physical Layer Optimization in Copper Line Networks
VODRÁŽKA Multi-carrier modulation and MIMO principle application on subscriber lines
Leung et al. Autonomous spectrum balancing using multiple reference lines for digital subscriber lines
Sarhan et al. Optimization of the per tone noise protection in xDSL systems employing virtual noise
Magesacher et al. Analysis of adaptive interference cancellation using common-mode information in wireline communications
Sarhan et al. Combining Virtual Noise and Seamless Rate Adaptation for User-specific Requirements on Quality of Service in xDSL Systems
Huberman et al. Constant offset autonomous spectrum balancing using multiple reference lines for VDSL
Wolkerstorfer et al. Variational inequality approach to spectrum balancing in vectoring xDSL networks
Lindqvist et al. Impact of crosstalk estimation on the dynamic spectrum management performance
Vodrazka et al. Optimal position of external node for very-high-bitrate digital subscriber line