Afaq Ahmad

Professor., PhD, M.Sc. Eng., B.Sc. Eng., PG Diploma

  • 229 Citations
  • 11 h-Index
1976 …2019
If you made any changes in Pure these will be visible here soon.

Research Output 1976 2019

2019

Applications of Mathematics in Everyday Life

Ahmad, A., Apr 9 2019.

Research output: Contribution to conferencePaper

Reliable and Fault Tolerant Systems on Chip Through Design for Testability

Ahmad, A., Feb 4 2019.

Research output: Contribution to conferencePaper

2018
1 Citation (Scopus)
Open Access
Fault tolerance
Electronic equipment
Semiconductor materials
Defects
Redundancy
1 Citation (Scopus)

Performance evaluation of OFDM based watermarking robust to multipath spatial shifts

Pullayikodi, S. K., Altrhuni, N., Tarhuni, N., Ahmad, A. & Bait Shiginah, F. A., Jan 1 2018, In : International Journal of Computing and Digital Systems. 7, 1, p. 51-58 8 p.

Research output: Contribution to journalArticle

Watermarking
Orthogonal frequency division multiplexing
Telemedicine
Multipath fading
Fading channels
2017
Open Access
4 Citations (Scopus)

Customized hardware crypto engine for wireless sensor networks

Awadalla, M., Al Maashri, A., Pathuri, L. & Ahmad, A., Jul 1 2017, In : Indonesian Journal of Electrical Engineering and Computer Science. 7, 1, p. 263-275 13 p.

Research output: Contribution to journalArticle

Wireless Sensor Networks
Wireless sensor networks
Engine
Hardware
Engines

Design of a Gray Encoder and Counter Using D-FFs and MUXs

Al-Busaidi, S., Ahmad, A. & Awadallah, M., 2017, In : Oriental journal of computer science and technology. 10, 3, p. 539-548 10 p.

Research output: Contribution to journalArticle

Open Access

OFDM Based Robust Digital Image Watermarking Resistant to Multipath Spatial Shifts

Suja, K. P., Altrhuni, N., Ahmad, A. & Bait Shiginah, F. A., May 2017.

Research output: Contribution to conferencePaper

2016

A heuristic approach towards the designs of digital logic circuits in Built-In Test environment with optimal solution

Ahmad, A., Ahmad, S., Al-Abri, D., Jamil, T. & Rizvi, M. A. K., Jan 29 2016, 6th International Conference on Computing, Communications and Networking Technologies, ICCCNT 2015. Institute of Electrical and Electronics Engineers Inc., 7395238

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Logic circuits
Digital circuits

Computationally efficient, robust watermarking using fast Walsh Hadamard Transform

Suja, K. P., Tarhuni, N., Ahmad, A. & Bait Shiginah, F., Jul 6 2016, 7th International Conference on Computing, Communication and Networking Technologies, ICCCNT 2016. Association for Computing Machinery, Vol. 06-08-July-2016. 2973276

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Walsh transforms
Hadamard transforms
Watermarking
Discrete cosine transforms
Channel capacity

Determining the possible minimal Boolean expressions via a newly developed procedure and tool

Ahmad, A., Ruelens, D., Ahmad, S. & Pathuri, L., Jan 29 2016, 6th International Conference on Computing, Communications and Networking Technologies, ICCCNT 2015. Institute of Electrical and Electronics Engineers Inc., 7395241

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MATLAB
2 Citations (Scopus)
Sensor nodes
Particle accelerators
Engines
Hardware
Cryptography
2015
1 Citation (Scopus)

Current ISBN system – Learning and practicing via simulation

Ahmad, A., Rizvi, M. A. K., Mohanan, N. & Ahmad, S., Sep 1 2015, In : International Journal of Applied Engineering Research. 10, 18, p. 39138-39144 7 p.

Research output: Contribution to journalArticle

Numbering systems
Error detection
Error correction
Standardization
1 Citation (Scopus)

Development of a MATLAB tool based on graph theory for evaluating reliability of complex mechatronic systems

Ahmad, A., Rizvi, M. A. K., Al-Lawati, A., Mohammed, I. & Malik, A. S., Mar 12 2015, 2015 IEEE 8th GCC Conference and Exhibition, GCCCE 2015. Institute of Electrical and Electronics Engineers Inc., 7060067

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mechatronics
Graph theory
MATLAB
Large scale systems
Life cycle
2 Citations (Scopus)

On determination of LFSR structures to assure more reliable and secure designs of cryptographic systems

Ahmad, A., Arora, S., Al Maashri, A., Al-Busaidi, S. S. & Al Shidhani, A., Jan 19 2015, Proceedings - 2014 3rd International Conference on Reliability, Infocom Technologies and Optimization: Trends and Future Directions, ICRITO 2014. Institute of Electrical and Electronics Engineers Inc., 7014681

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Linear Feedback Shift Register
Computer hardware description languages
Printed circuit boards
Field programmable gate arrays (FPGA)
Printed Circuit Board
2014
4 Citations (Scopus)

Classification of faults in Nuclear Power Plant

Awadalla, M., Abdien, A. K., Rashad, S. M., Ahmed, A. & Al Abri, D., 2014, In : WSEAS Transactions on Systems. 13, p. 274-284 11 p.

Research output: Contribution to journalArticle

Nuclear power plants
Support vector machines
Genetic algorithms
2 Citations (Scopus)

Design of an automated system for proper utilization of travel time variability of public transport system

Ahmad, A., Rizvi, M. A. K., Mohanan, N., Sait, Y. Z., D’Silva, A. S. & Sadhu, M., 2014, In : International Journal of Applied Engineering Research. 9, 21, p. 9391-9400 10 p.

Research output: Contribution to journalArticle

Traffic congestion
Travel time
Pickups
Global system for mobile communications
Microcontrollers
4 Citations (Scopus)
Observability
Controllability
1 Citation (Scopus)
Binary sequences
Shift registers
Built-in self test
Feedback
Cryptography

Response Data Compression Techniques in Digital Circuit Testing - Study and Evaluation

Jaber, A. B. & Ahmad, A., Nov 11 2014, 96 p.

Research output: Book/ReportBook

2013
5 Citations (Scopus)

Computing and listing of number of possible m-sequence generators of order n

Ahmad, A., Al-Busaidi, S. S., Maashri, A. A., Awadalla, M., Rizvi, M. A. K. & Mohanan, N., Oct 2013, In : Indian Journal of Science and Technology. 6, 10, p. 5359-5369 11 p.

Research output: Contribution to journalArticle

Generator
Computing
Primitive Polynomial
Search Problems
Characteristic polynomial
12 Citations (Scopus)

On properties of PN sequences generated by LFSR - A generalized study and simulation modeling

Ahmad, A., Al-Busaidi, S. S. & Al-Musharafi, M. J., Oct 2013, In : Indian Journal of Science and Technology. 6, 10, p. 5351-5358 8 p.

Research output: Contribution to journalArticle

Computer simulation
Testing
MATLAB
2012
2 Citations (Scopus)

A nonconventional approach to generating efficient binary gray code sequences

Ahmad, A. & Bait-Shiginah, F., 2012, In : IEEE Potentials. 31, 3, p. 16-19 4 p., 6193295.

Research output: Contribution to journalArticle

Hamming distance
Binary codes
patent
2011
4 Citations (Scopus)
Shift registers
Data compression
Polynomials
Feedback
Built-in self test
2 Citations (Scopus)

On design of 8-bit CRC circuits equipped with primitive characteristic polynomials

Ahmad, A., 2011, 2011 International Conference on Multimedia, Signal Processing and Communication Technologies, IMPACT 2011. p. 264-267 4 p. 6150490

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shift registers
Redundancy
Polynomials
Feedback
Logic gates
12 Citations (Scopus)
Redundancy
Polynomials
Telecommunication systems
Error detection
Error correction
2010
11 Citations (Scopus)

Design of a realistic test simulator for a built-in self test environment

Ahmad, A. & Al-Abri, D., 2010, In : Journal of Engineering Research. 7, 2, p. 69-79 11 p.

Research output: Contribution to journalArticle

Built-in self test
Simulators
Fault tolerant computer systems
Design for testability
Logic design
2009
1 Citation (Scopus)

A less complex algorithmic procedure for computing gray codes

Ahmad, A. & Suwailam, M. M. B., 2009, In : Journal of Engineering Research. 6, 2, p. 12-19 8 p.

Research output: Contribution to journalArticle

Boolean functions

How to design an effective Serial Input Shift Register (SISR) for data compression process of built-in self-test methodology

Ahmad, A. & Jaber, A. B., 2009, 2009 4th International Design and Test Workshop, IDT 2009. 5404091

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Built-in self test
Shift registers
Data compression
Polynomials
Energy dissipation
5 Citations (Scopus)

On locking conditions in m-sequence generators for the use in digital watermarking

Ahmad, A., Al-Mashari, A. & Al-Lawati, A. M. J., 2009, Proceedings of International Conference on Methods and Models in Computer Science, ICM2CS09. 5397982

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Binary sequences
Digital watermarking
Watermarking
Seed
2008
13 Citations (Scopus)
Binary sequences
Built-in self test
Shift registers
Cryptography
Feedback
2003
3 Citations (Scopus)

Development of a strong stream ciphering technique using non-linear fuzzy logic selector

Al-Naamany, A. M. & Ahmad, A., 2003, IFIP Advances in Information and Communication Technology. Springer New York LLC, Vol. 106. p. 199-206 8 p. (IFIP Advances in Information and Communication Technology; vol. 106).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fuzzy logic
Methodology
Burden
Polynomials
Facilitation

In Book- Mobile and Wireless Communications IFIP — The International Federation for Information Processing, Chapter "Development of a Strong Stream Ciphering Technique Using Non-linear Fuzzy Logic Selector"

Al-Naamany, A. & Ahmad, A., Jan 2003, Information Processing Development of a Strong Stream Ciphering Technique Using Non-linear Fuzzy Logic Selector. Guy Omidyar, C. (ed.). Springer US, Vol. 106.

Research output: Chapter in Book/Report/Conference proceedingChapter

2002
11 Citations (Scopus)

An investigation into the application of linear feedback shift registers for steganography

Jamil, T. & Ahmad, A., 2002, Conference Proceedings - IEEE SOUTHEASTCON. p. 239-244 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steganography
Shift registers
Feedback
Pixels
Data communication systems
6 Citations (Scopus)
Seed
Polynomials
Shift registers
Masks
Feedback

Design and study of a strong stream crypto-system model for e-commerce

Ahmad, A., Al-Musharafi, M. J. & Al-Busaidi, S., Aug 2002, In book: Redefine Internet in the context of 4 pervasive computingRedefine Internet in the context of 4 pervasive computing. Raghavan, S. V. & Mudur, S. P. (eds.). International Council for Computer Communication (ICCC) Press, Washington, DC, USA, p. 619-630 12 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

2 Citations (Scopus)
signature analysis
shift registers
Shift registers
Feedback
Testing
2001
7 Citations (Scopus)

New algorithmic procedure to test m-sequence generating feedback connections of stream Cipher's LFSRs

Ahmad, A., Al-Busaidi, S. & Al-Mushrafi, M. J., 2001, IEEE Region 10 International Conference on Electrical and Electronic Technology. Tien, D., Liang, Y. C., Tien, D. & Liang, Y. C. (eds.). p. 366-369 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Feedback
Program processors
Data storage equipment
Testing
1 Citation (Scopus)

Reducing test time via an optimal selection of LFSR feedback taps

Afaq, A. & Al-Lawati, A., 2001, 6th International Symposium on Signal Processing and Its Applications, ISSPA 2001 - Proceedings; 6 Tutorials in Communications, Image Processing and Signal Analysis. IEEE Computer Society, Vol. 1. p. 300-303 4 p. 949837

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Feedback
Shift registers
Testing
1998
2 Citations (Scopus)
Built-in self test
Testing
Networks (circuits)
1997
14 Citations (Scopus)
Shift registers
Built-in self test
Testing
Combinatorial circuits
Hardware
19 Citations (Scopus)
Binary sequences
Shift registers
Feedback
Digital circuits
Polynomials
1994
12 Citations (Scopus)
Shift registers
Seed
Polynomials
Feedback
Testing
1990
18 Citations (Scopus)

Are primitive polynomials always best in signature analysis?

Ahmad, A., Nanda, N. K. & Garg, K., 1990, In : IEEE Design and Test of Computers. 7, 4, p. 36-38 3 p.

Research output: Contribution to journalArticle

Polynomials
Computer simulation
1989
12 Citations (Scopus)

Effectiveness of multiple compressions of multiple signatures

Ahmad, A. & Nanda, N. K., 1989, In : International Journal of Electronics. 66, 5, p. 775-787 13 p.

Research output: Contribution to journalArticle

Polynomials
10 Citations (Scopus)

Shift register modification for multipurpose use in combinational circuit testing

Nanda, N. K., Ahmad, A. & Gaindhar, V. C., 1989, In : International Journal of Electronics. 66, 6, p. 875-878 4 p.

Research output: Contribution to journalArticle

Combinatorial circuits
Shift registers
Built-in self test
Testing
10 Citations (Scopus)

The use of irreducible characteristic polynomials in an LFSR based testing of digital circuits

Ahmad, A., Nanda, N. K. & Garg, K., 1989, TENCON '89: Fourth IEEE Region 10 International Conference. Publ by IEEE, p. 494-496 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shift registers
Digital circuits
Polynomials
Feedback
Testing
1988
12 Citations (Scopus)

CRITICAL ROLE OF PRIMITIVE POLYNOMIALS IN AN LFSR BASED TESTING TECHNIQUE.

Ahmad, A., Nanda, N. K. & Garg, K., Jan 1 1988, In : Electronics Letters. 24, 15, p. 953-955 3 p.

Research output: Contribution to journalArticle

Polynomials
Testing