Research Output 1998 2019

Filter
Article
2009
3 Citations (Scopus)

An efficient encoding-decoding of large girth LDPC codes based on quasi-cyclic

Yahya, A., Sidek, O., Fadzli, M. & Ali, S., Jul 1 2009, In : Australian Journal of Basic and Applied Sciences. 3, 3, p. 1734-1739 6 p.

Research output: Contribution to journalArticle

Decoding

Bit error rate of large girth QC-LDPC codes over flat Rayleigh fading channels

Ali, S., Yahya, A., Sidek, O. & Fadzli, M., Jan 1 2009, In : European Journal of Scientific Research. 27, 2, p. 298-307 10 p.

Research output: Contribution to journalArticle

Quasi-cyclic Codes
Low-density Parity-check (LDPC) Codes
Rayleigh Fading Channel
girth
Girth
2008
3 Citations (Scopus)

Performance analyses of fast frequency hopping spread spectrum and jamming systems

Yahya, A., Sidek, O. & Mohamad-Saleh, J., Apr 1 2008, In : International Arab Journal of Information Technology. 5, 2, p. 115-119 5 p.

Research output: Contribution to journalArticle

Atmospheric spectra
Frequency hopping
Jamming
Frequency shift keying
Signal to noise ratio
8 Citations (Scopus)

Reed Solomon coding for frequency hopping spread spectrum in jamming environment

Sidek, O. & Yahya, A., Jan 1 2008, In : American Journal of Applied Sciences. 5, 10, p. 1281-1284 4 p.

Research output: Contribution to journalArticle

Atmospheric spectra
Frequency hopping
Jamming
Reed-Solomon codes
Frequency shift keying
2007

Design and Construction of a Remote Controlled Power Supply Unit

Ahmed, M. S., Zungeru, A. M. & Kolo, J. G., 2007, In : Leonardo Journal of Sciences. 11, p. 41-50

Research output: Contribution to journalArticle

Open Access
Phototransistors
Infrared radiation
Flip flop circuits
Photodiodes
Light emitting diodes
2006

Compact and high performance filters for mobile communication

Chuma, J. M., Mirshekar, D., Masupe, S. & Kepaletswe, T., Sep 2006, In : SAIEE Africa Research Journal. 97, 3, p. 212-215 4 p.

Research output: Contribution to journalArticle

Base stations
Communication
Air
2005

Design of an elliptic function bandpass filter using a high dielectric ring resonator

Chuma, J. M., Mar 2005, In : SAIEE Africa Research Journal. 96, 2, p. 117-120 4 p.

Research output: Contribution to journalArticle

Bandpass filters
Resonators
Rectangular waveguides
Frequency response
Natural frequencies
2002
9 Citations (Scopus)

Effects of walls on coupling between coupled combline resonators

Chuma, J. M. & Mirshekar-Syahkal, D., Feb 1 2002, In : IEE Proceedings: Microwaves, Antennas and Propagation. 149, 1, p. 53-56 4 p.

Research output: Contribution to journalArticle

Resonators
Tuning
2001
1 Citation (Scopus)

Analysis of electric coupling between slotted cylindrical ring resonators

Chuma, J. M. & Mirshekar-Syakhal, D., Sep 13 2001, In : Electronics Letters. 37, 19, p. 1162-1164 3 p.

Research output: Contribution to journalArticle

Resonators
Electric lines
1 Citation (Scopus)

Frequency transformation for realizing longitudinal pseudoelliptic bandpass filters

Chuma, J. M. & Mirshekar-Syahkal, D., Feb 2001, In : Microwave and Optical Technology Letters. 28, 3, p. 153-155 3 p.

Research output: Contribution to journalArticle

microwave filters
Microwave filters
Bandpass filters
bandpass filters
Resonators
1999
7 Citations (Scopus)

Computation of resonant frequencies of dielectric loaded rectangular cavity using TLM method

Chuma, J., Sim, C. W. & Mirshekar-Syahkal, D., Jan 1 1999, In : Electronics Letters. 35, 20, p. 1712-1713 2 p.

Research output: Contribution to journalArticle

Brick
Resonators
Electric lines
Natural frequencies
Polarization
1 Citation (Scopus)

Six-order elliptic combline filter with electric probe

Chuma, J. M., Mirshekar-Syahkal, D., Abbas, F., Normington, P. & Zadeh, M., Mar 5 1999, In : Microwave and Optical Technology Letters. 20, 5, p. 290-292 3 p.

Research output: Contribution to journalArticle

Elliptic filters
Resonators
filters
probes
resonators