Craig Jamieson

Craig Jamieson
University of Alberta | UAlberta · Department of Electrical and Computer Engineering

About

10
Publications
117
Reads
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40
Citations
Citations since 2016
0 Research Items
11 Citations
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201620172018201920202021202201234
201620172018201920202021202201234

Publications

Publications (10)
Article
Constrained sequence codes are widely used to meet constraints imposed by digital communication systems. This study presents methods to evaluate the capacity of constrained codes that have multiple independently or dependently constrained signalling dimensions. The authors outline a straightforward analysis technique when the signalling dimensions...
Article
Symmetries in the encoding of balanced sequences are exploited to simplify a tabular approach for constructing balanced codes, and it is shown that with appropriate assignment of source word probabilities, these symmetries ensure the absence of discrete components in the spectrum of the encoded signal. He is further shown that assigning appropriate...
Article
The use of spectral shaping constrained codes is commonplace in baseband digital communication systems. In this study, the authors consider the use of constrained codes in bandpass systems through the design of DC-free codes for the complex baseband representations of commonly used signalling constellations including quaternary phase shift keying,...
Article
In this article, the authors present quality and safety standards for older people in hospital, derived from a national dialogue involving inter-professional experts, key stakeholders and opinion leaders. They report the consensus process and present the standard statements with corresponding operational definitions, along with relevant clinical to...
Article
Constrained sequence codes are widely used to meet constraints imposed by digital storage and communication systems. This paper presents several improvements to an algorithm for constructing constrained codes that admit state-independent decoding. We use this improved algorithm to design state-independent decodable DC-free run-length-limited codes.
Article
Constrained sequence codes are widely used to meet constraints imposed by digital storage and communication systems. This paper develops an algorithm for the construction of constrained codes that admit state-independent decoding. By partitioning the code into a group of alphabets, one for each state, a codebook is developed using this algorithm th...
Article
Constrained sequence codes are widely used to help meet constraints imposed by digital storage and communication systems. This paper presents a straightforward approach to evaluate the capacity of constrained sequence codes that are modelled by a two-dimensional finite state machine (FSM) with nearest-neighbour connections. Starting with the equiva...
Article
This paper proposes an extension of Knuthpsilas complementation method for constructing balanced codewords. By placing the encoding process in the context of a multimode code, we propose generating a number of alternative balanced words using Knuthpsilas method to represent each source word, and selecting the word with minimum squared weight (MSW)...
Conference Paper
This paper proposes a new method for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems using forward error correction (FEC). The scheme combines the intentional insertion of correctable errors into the data stream with a specialized bit mapping. The latter deviates from traditional Gray encodi...
Conference Paper
Implementation of modern digital transceivers requires an expertise in numerous fields. Conventional transceiver design methods are no longer sufficient to guarantee a fast conversion from initial concept to final product. Moreover, in the testing phase, system simulations alone cannot provide the full insight into the system parameters and perform...

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