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Date: 2018
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/274971
Description: Abstract: The technology which utilizes the power line as a medium for transferring information known as powerline communication (PLC) has been in existence for over a hundred years. It is beneficial ... More
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Date: 2018
Language: English
Type: Conference proceeding
Identifier: http://hdl.handle.net/10210/290565
Description: Abstract: This work serves to demonstrate the use of hybrid QFSK-OFDM and modified BPSK-OFDM in combating the effects of Narrowband Interference (NBI) and Impulsive noise (IN) as a mixture in Power Li ... More
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Date: 2018
Language: English
Type: Conference proceeding
Identifier: http://hdl.handle.net/10210/290486
Description: Abstract: In this article we give: (a) a new construction for mapping binary sequences to permutation sequences formed from a 4-PAM constellation, and call the resulting codebooks mappings; (b) a metr ... More
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Date: 2018
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/279715
Description: Abstract: A trellis coded 4-ary Pulse Amplitude Modulation (4-PAM) is presented, where the encoding algorithm is derived from Distance Preserving Mapping (DPM) algorithm. In this work, we modify the D ... More
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Date: 2018
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/284032
Description: Abstract: This article presents results on the pre-processing (clipping/nulling) of impulse noise corrupted signal that is digitally modulated. The novelty of the article is in performing the clipping ... More
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Date: 2017
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/244556
Description: Abstract: Given binary data transmission encoded using a Reed-Solomon (RS) code and employing binary sync-words (markers) for synchronization, we calculate the probability of finding the sync-word in ... More
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Date: 2017
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/233530
Description: Abstract: The analysis of hybrid phase shift keying-color shift keying (MPSK-CSK) systems under the additive white Gaussian noise model is presented. MPSK-CSK systems are formed by mapping phase shift ... More
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Date: 2017
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/249218
Description: Abstract: This paper presents results that demonstrate the effects of fulgurites on the earthing system of a power system. The importance of grounding in power systems cannot be over emphasized. Altho ... More
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Date: 2017
Subject: DFT | STFT | Impedance
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/248176
Description: Abstract: The impedance of a low voltage distribution network is analyzed and presented. Data collected from field measurement which was done over one week is used in this analysis. Basically, a chirp ... More
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Date: 2017
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/93807
Description: Abstract: This paper presents an efficient technique to map phase shift keying (PSK) signalling to colour shift keying (CSK) constellation, to establish a full link in hybrid systems involving the rad ... More
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Date: 2016
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/91870
Description: Abstract: In our previous work we introduced a method for avoiding/excluding some symbols in Reed-Solomon (RS) codes, called symbol avoidance. In this paper, we apply the symbol avoidance method to ma ... More
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Date: 2016
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/92561
Description: Abstract: This paper puts in Cascade the power line communications (PLC) channel and the visible light communications (VLC) channel, in order to use the PLC channel as backbone for the VLC channel. Th ... More
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Date: 2016
Subject: Ensemble | prediction | Bagging
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/213466
Description: Abstract: An impulse noise detection scheme employing machine learning (ML) algorithm in Orthogonal Frequency Division Multiplexing (OFDM) is in-vestigated. Four powerful ML's multi-classifiers (ensem ... More
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Date: 2015
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/73970
Description: Abstract: Please refer to full text to view abstract
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Date: 2015
Language: English
Type: Article
Identifier: http://hdl.handle.net/10210/73205
Description: Abstract: The effect of periodic impulsive (short duration) noise on OFDM is investigated. We present results on the nature of periodic impulsive noise, showing that the PDF of periodic impulsive nois ... More
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