NDLI: Biwindowed Discrete Multitone Transceiver Design

Content Provider	IEEE Xplore Digital Library
Author	Borna, B. Davidson, T.N.
Copyright Year	1991
Abstract	A family of biwindowed discrete multitone (DMT) transceivers that provide both subchannel spectral containment at the transmitter and spectral selectivity at the receiver is proposed. These systems have the attractive feature that they provide spectral shaping at both ends of the transceiver without requiring the cyclic prefix to be longer than the order of the channel impulse response. The windows are designed in a channel independent manner and are constrained to produce subchannel outputs that are free from (intrasubchannel) intersymbol interference (ISI). Furthermore, the design allows the intersubchannel interference (ICI) to be controlled in such a way that it can be mitigated using a relatively simple minimum mean-square error (MMSE) successive interference cancellation scheme. Under a realistic model for a digital subscriber line (DSL) environment, the achievable bit rate of the proposed system is significantly higher than that of the conventional DMT system and some established windowed DMT systems with receiver-only windowing. This performance gain is a result of the capability of the proposed system to combat the near-end crosstalk (NEXT) at the transmitter and receiver and to mitigate the narrowband noise at the receiver, without the requirement of excess cyclic prefix.
Sponsorship	IEEE Signal Processing Society
Starting Page	4217
Ending Page	4226
Page Count	10
File Size	461620
File Format	PDF
ISSN	1053587X
Volume Number	55
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transceivers OFDM modulation Transmitters Intersymbol interference DSL Crosstalk Interference constraints Interference cancellation Bit rate Performance gain windowing Discrete multitone (DMT) orthogonal-frequency-division multiplexing (OFDM) spectrum control
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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