Performance enhancement of FM-QCSK chaotic communication system. - Hikmat N. Abdullah (ICUMT, 2011)

Performance Evaluation of FM-COOK Chaotic Communication System. - Hikmat N. Abdullah; Alejandro A. Valenzuela (J. Signal Inf. Process., 2011)

Efficient chaotic communication system for wireless sensing applications. - Hikmat N. Abdullah; Alejandro A. Valenzuela (SSD, 2012)

Hybrid PAPR reduction technique for complex wavelet packet modulation system. - Hikmat N. Abdullah; Fadhil Sahib; Alejandro A. Valenzuela (Wireless Days, 2012)

FPGA based pi/4-DQPSK complex wavelet packet modulation. - Hikmat N. Abdullah; Fadhil Sahib; Alejandro A. Valenzuela (SCVT, 2014)

Performance Evaluation of Non-redundant Error Correcting Scheme Using Logistic Chaotic Map. - Hikmat N. Abdullah; Sarab K. Mahmood (Wirel. Pers. Commun., 2016)

Cooperative Spectrum Sensing Method Using Sub-band Decomposition with DCT for Cognitive Radio System. - Muntasser S. Falih; Hikmat N. Abdullah (ACRIT, 2019)

Double Threshold Soft Decision Rule for Improving Performance of Cognitive Radio Networks. - Hikmat N. Abdullah; Nuha Sh. Bakr; Alejandro A. Valenzuela (ICCE-Berlin, 2019)

FPGA Design and Implementation of an AES Algorithm based on Iterative Looping Architecture. - Alshaima Q. Al-Khafaji; Mohammed Falih Al-Gailani; Hikmat N. Abdullah (ICCE-Berlin, 2019)

Thorough evaluation of TIMIT database speaker identification performance under noise with and without the G.712 type handset. - Musab T. S. Al-Kaltakchi; Raid Rafi Omar Al-Nima; Mohammed A. M. Abdullah; Hikmat N. Abdullah (Int. J. Speech Technol., 2019)

Colour image encryption using Nahrain chaotic map. - Hamsa A. Abdullah; Hikmat N. Abdullah (Int. J. Wirel. Mob. Comput., 2019)

A hybrid chaotic map for communication security applications. - Hamsa A. Abdullah; Hikmat N. Abdullah; Waleed Ameen Mahmoud Al-Jawher (Int. J. Commun. Syst., 2020)

Chaotic encryption system based on pixel value and position transformation for color images. - Atheer J. Mansoor; Hikmat N. Abdullah; Mohammed Falih Al-Gailani; Hadi T. Ziboon (SSD, 2021)

Modified Gram Schmidt Based Chaotic Matrix for Compressive Sensing in Cognitive Radio. - Hadeel S. Abed; Hikmat N. Abdullah (CCWC, 2021)

Denoised Jarque-Bera features-based K-Means algorithm for intelligent cooperative spectrum sensing. - Ali A. Radhi; Hikmat N. Abdullah; Hanan A. R. Akkar (Digit. Signal Process., 2022)

Compressive sensing based on novel chaotic matrix for cognitive radio. - Hadeel S. Abed; Hikmat N. Abdullah (Int. J. Commun. Syst., 2022)

Secure collaborative cognitive radio based on chaotic modulation and compressive sensing. - Hadeel S. Abed; Hikmat N. Abdullah (Phys. Commun., 2022)

Skewness and access kurtosis as denoised mixed features-based K-Medoids for cooperative spectrum sensing. - Ali A. Radhi; Hanan A. R. Akkar; Hikmat N. Abdullah (Phys. Commun., 2022)

Design and Fabrication of a Smart Monitoring System for Liquefied Petroleum Gas-Operated Cars Based on Global System Mobile. - Tariq M. Salman; Hikmat N. Abdullah; Hamzah M. Marhoon; Zeyad A. Karam (Int. J. Online Biomed. Eng., 2023)