Publication detail

Overlapped filtered multitone modulation and its optimization on VLIW DSP

ŠILHAVÝ, P. KRAJSA, O. SYSEL, P. KOUTNÝ, M.

Original Title

Overlapped filtered multitone modulation and its optimization on VLIW DSP

English Title

Overlapped filtered multitone modulation and its optimization on VLIW DSP

Type

journal article - other

Language

en

Original Abstract

In recent years, the multicarrier modulations (MCM) have been applied to wire and wireless transmission systems. MCM enable a nearperfect utilization of the provided frequency band on metallic cables and they also effectively eliminate multipath propagation in terrestrial transmission. They are mainly the implementations called Discrete MultiTone (DMT) and Orthogonal Frequency Division Multiplexing (OFDM). These approaches have also disadvantages, which have led to seeking new approaches to the implementation of the MCM modulation scheme. One of them is the Filtered MultiTone Modulation (FMT). In the article, the channel equalization in overlapped and non-overlapped FMT modulation will be compared. The optimal implementation of FMT on the VLIW DSP will be introduced in the second part.Optimized implementation of filter bank with the help of parallel processing is described, and also frame writing/reading and its synchronization are introduced.

English abstract

In recent years, the multicarrier modulations (MCM) have been applied to wire and wireless transmission systems. MCM enable a nearperfect utilization of the provided frequency band on metallic cables and they also effectively eliminate multipath propagation in terrestrial transmission. They are mainly the implementations called Discrete MultiTone (DMT) and Orthogonal Frequency Division Multiplexing (OFDM). These approaches have also disadvantages, which have led to seeking new approaches to the implementation of the MCM modulation scheme. One of them is the Filtered MultiTone Modulation (FMT). In the article, the channel equalization in overlapped and non-overlapped FMT modulation will be compared. The optimal implementation of FMT on the VLIW DSP will be introduced in the second part.Optimized implementation of filter bank with the help of parallel processing is described, and also frame writing/reading and its synchronization are introduced.

Keywords

Multi-Carrier Modulation (MCM), Filtered MultiTone modulation (FMT), Half-overlap subchannel Filtered MultiTone Modulation, Decision Feedback equalizer (DFE), Very Long Instruction Word (VLIW) , Implementation, Digital Signal Processor (DSP).

RIV year

2011

Released

01.12.2011

Pages from

91

Pages to

95

Pages count

5

BibTex


@article{BUT74886,
  author="Pavel {Šilhavý} and Ondřej {Krajsa} and Petr {Sysel} and Martin {Koutný}",
  title="Overlapped filtered multitone modulation and its optimization on VLIW DSP",
  annote="In recent years, the multicarrier modulations (MCM) have been applied to wire and wireless transmission systems. MCM enable a nearperfect utilization of the provided frequency band on metallic cables and they also effectively eliminate multipath propagation in terrestrial transmission.
They are mainly the implementations called Discrete MultiTone (DMT) and Orthogonal Frequency Division Multiplexing (OFDM). These approaches have also disadvantages, which have led to seeking new approaches to the implementation of the MCM modulation scheme. One of them is the
Filtered MultiTone Modulation (FMT). In the article, the channel equalization in overlapped and non-overlapped FMT modulation will be compared. The optimal implementation of FMT on the VLIW DSP will be introduced in the second part.Optimized implementation of filter bank with the help of parallel processing is described, and also frame writing/reading and its synchronization are introduced.",
  chapter="74886",
  number="12",
  volume="86",
  year="2011",
  month="december",
  pages="91--95",
  type="journal article - other"
}