We propose a new, low-complexity frequency-domain equalizer for discrete multitone (DMT) systems, which, in the absence of a guard interval, utilizes existing redundancy in the frequency domain to completely eliminate intersymbol and interchannel interferences. A perfect reconstruction condition is derived for the noise-free case leading to a sparse equalizer matrix structure. It is furthermore...

The Discrete MultiTone (DMT) modulation system is an attractive method for a high speed data transmission over a nonflat channel with possible colored noise. The IFFT is used in its transmitter in order to divide the available frequency spectrum into large independent narrow band sub-channels. A high speed and an efficient lattice architecture is proposed to implement the IFFT. This will speed ...

The determination of free Zn(2+) ion concentration is a key in the study of environmental systems like river water and soils, due to its impact on bioavailability and toxicity. AGNES (Absence of Gradients and Nernstian Equilibrium Stripping) and DMT (Donnan Membrane Technique) are emerging techniques suited for the determination of free heavy metal concentrations, especially in the case of Zn(2...

Zusammenfassung Die Bearbeitung von Übungsaufgaben ist ein wichtiges Element in der Datenbank-Lehre. Lösungen Studierenden lassen sich dabei häufig strukturierten Ergebnisformaten festhalten, wie z. B. SQL-Anfragen oder die Spezifikation Schemata und Relationen. Dieser Beitrag stellt das E‑Assessment-Tool DMT (Data Management Tester) vor, sowohl eine automatische Bewertung als auch Feedback-Gen...

In this paper we consider the diversity-multiplexing gain tradeoff (DMT) of so-called minimum delay asymmetric space-time codes. Such codes are less than full dimensional lattices in their natural ambient space. Apart from multiple input single output (MISO) channel there exist very few methods to analyze DMT such Further, apart MISO case, no optimal known. We first discuss previous criteria us...

We focus on a class of utterances that can be analysed as ’explicit game bids’ in Dialogue Macrogame Theory (DMT). We propose an update-semantics analysis that uses discourse obligations to model the observable behaviour of dialogue participants and that is able to generate the intentional structure of interactions assumed in DMT. We also claim that our analysis provides the base for reformulat...

The low-cost in-home distribution of full-standard digital TV jointly with high-bitrate data using 50 m long 1 mm core diameter graded-index plastic optical fiber (GI-POF) is proposed and experimentally demonstrated. Discrete multitone (DMT) modulation is demonstrated to provide an adaptive bitrate which can spectrally coexist with digital video broadcasting-terrestrial (DVB-T) signals in 470-8...

We propose using punctured convolutional code for a Discrete Multitone (DMT) Asymmetric Digital Subscriber Line (ADSL) system to improve the data rate performance of ADSL. The theoretical performance of the systems with single coding rate for all subchannels, and with adaptive coding rate for each subchannel are presented respectively. It is found that the data rate performance of the proposed ...

(1) Background: The development of highly efficient methods for removing hazardous substances from the environment attracts increasing attention. Understanding basic principles removal processes using graphene materials is equally essential to confirm their application efficiency and safety. (2) Methods: In this contribution, adsorption pesticide dimethoate (DMT) on graphene-based has been inve...