[go: up one dir, main page]

Coomans et al., 2015 - Google Patents

The 5th generation broadband copper access

Coomans et al., 2015

Document ID
3623970839396910628
Author
Coomans W
Moraes R
Hooghe K
Maes J
Publication year
Publication venue
Broadband Coverage in Germany. 9th ITG Symposium. Proceedings

External Links

Snippet

Since the advent of the world wide web in 1989, telecommunications providers have evolved from providing plain old telephone service (POTS) over a copper loop plant to providing fully digital broadband access over hybrid fiber-copper networks at rates that have …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/32Reducing cross-talk, e.g. by compensating
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; Arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks ; Receiver end arrangements for processing baseband signals
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/2608Allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; Arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks ; Receiver end arrangements for processing baseband signals
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03343Arrangements at the transmitter end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and telegraphic or other data transmission over the same conductors
    • H04M11/062Simultaneous speech and telegraphic or other data transmission over the same conductors using different frequency bands for speech and other data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/46Monitoring; Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; Arrangements for supplying electrical power along data transmission lines
    • H04L25/08Modifications for reducing interference; Modifications for reducing effects due to line faults; Receiver end arrangements for detecting or overcoming line faults
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0002Modulated-carrier systems analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2203/00Indexing scheme relating to line transmission systems
    • H04B2203/54Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429Applications for powerline communications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/738Interface circuits for coupling substations to external telephone lines
    • H04M1/76Compensating for differences in line impedance
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION

Similar Documents

Publication Publication Date Title
Cendrillon et al. A near-optimal linear crosstalk precoder for downstream VDSL
US8537912B2 (en) Extremely high speed broadband access over copper pairs
US6292559B1 (en) Spectral optimization and joint signaling techniques with upstream/downstream separation for communication in the presence of crosstalk
CN101174855B (en) Spectrum management method and apparatus
Coomans et al. XG-fast: the 5th generation broadband
US9985685B2 (en) Power spectrum density optimization
CN106105048B (en) Nonlinear precoding device with separated tracking
US8427933B2 (en) Method and apparatus for DMT crosstalk cancellation
Maes et al. The past, present, and future of copper access
US20100034374A1 (en) Vectored digital subscriber line system having modular vectoring arrangements
CN110036624B (en) System for transmitting data
Coomans et al. XG-FAST: Towards 10 Gb/s copper access
CN103004099A (en) A method, device and system for reducing digital subscriber line interference
US8995508B2 (en) Method and arrangement in a digital subscriber line system
US7408980B2 (en) Semi-distributed power spectrum control for digital subscriber line communications
CN102474409A (en) Near-End Crosstalk Reduction for MIMO Systems
Neckebroek et al. Novel bitloading algorithms for coded G. fast DSL transmission with linear and nonlinear precoding
Coomans et al. The 5th generation broadband copper access
EP2876872B1 (en) Digital subscriber line access multiplexer for sending communication signals to customer devices
Wei et al. G. fast for FTTdp: Enabling gigabit copper access
Lawrence et al. Broadband access to the home on copper
KR20120012460A (en) Method and apparatus for optimizing dynamic range in DMT modems
Williams How enhanced DSL technologies optimize the last copper mile
Zhao et al. White paper: Broadband access technologies
WO2010111952A1 (en) Optimizing the transmit power spectrum density (psd) of a remotely deployed line to ensure spectral compatibility