N. Osman, K. A. Alnajjar, R. C. Bansal, “A review of the cognitive radio IoT
enabled radio frequency energy harvesting system, ”Telecomunication Systems, Springer
Nature,(88) No. 4, 2025.
. D. Abueida, M. Albreem, S. Abdallah, K. A. Alnajjar, A. Aslam,“Data Detection
Techniques for Scalable Cell-free Massive MIMO Systems, ”Accepted in Journal of
Communications and Networks , 2025.
. A. Aslam, M. Saad, S. Abdallah, M. Albreem, K. A. Alnajjar, H. Dahrouj,
H. Elsawy, et.,al.,“ Movable-Antenna-Aided Covert ISAC-NOMA Networks: Joint
Antenna Positioning and Resource Allocation, ”Accepted in IEEE Open Journal of the
Communication Society, 2025.
. D. Abueida, M. Albreem, S. Abdallah, A. Aslam, K. A. Alnajjar, M. Saad, et.,al.,“Signal
Processing for Cell-Free Massive MIMO: Techniques and Trends in Estimation,
Detection, and Precoding,” IEEE Open Journal of the Communication Society, 2025,
DOI: 10.1109=OJCOMS.2025.3625823.
. N. Osman, K. A. Alnajjar, R. C. Bansal, “3B5G Network-enabled Radio Frequency
Energy Harvesting System, ”Accepted in Telecommunication Systems, 2025.
. A. A. Salem, S. Abdallah, M. Saad, K. A. Alnajjar, M. A. Albreem, “ How RSMA and
Active RIS Manage Eavesdroppers Spatial Uncertainty ” IEEE Transactions on Vehicular
Technology, Sep. 2025., doi: 10.1109/TVT.2025.3610863
. A. A. Salem, M. Saad, S. Abdallah, M. A. Albreem, K. A. Alnajjar, H. Dahrouj,
H. Alsawy“ Movable-Antenna-Aided Covert ISAC-NOMA Networks: Joint Antenna
Positioning and Resource Allocation ” Accepted in IEEE Open Journal of the
Communications Society, Sep. 2025.
. A. A. Salem, K. A. Alnajjar, M. A. Albreem, M. Saad, S. Abdallah,“Active RIS Enabled
RSMA Integrated Sensing, Communication, and Power Transfer, ”IEEE Transactions on
Communications, Aug. 2025, DOI 10.1109/TCOMM.2025.3597647.
. M. A. Albreem, S. Abdallah, M. Saad, K. A. Alnajjar, “Low Complexity Detectors
for Uplink Massive MIMO Based on a Refinement of Linear Algorithms and Efficient
Initialization, ”Journal of Communications and Networks, July. 2025.
. N. Osman, K. A. Alnajjar, R. Bansal, “Energy-Efficient Resource Management in CIoT
for B5G Networks, ”International Journal of Communication Systems, July. 2025.
. A. A. Salem, M. A. Albreem, K. A. Alnajjar, S. Abdallah, M. Saad, “Integrated
Cooperative Sensing and Communication for RIS-Enabled Full-Duplex Cell-Free MIMO
Systems, ”IEEE Transactions on Communications,vol. 73, No. 6 Jun. 2025,
doi:10.1109/TCOMM.2024.3493795.
. S. Ansari, K. A. Alnajjar, S. Majzoub, E. Almajali, A. Jarndal, T. Bonny, A. Hussain,
S. Mahmoud, “Attention-Enhanced Hybrid Automatic Modulation Classification
for Advanced Wireless Communication Systems: A Deep Learning-Transformer
Framework, ”IEEE Access, Jun. 2025.
.K. A. Alnajjar, S. A. Almulla, “Information Theory Approaches for Cyberattack Detection and Fault Identification in Power Systems, ”Accepted in International Journal on Communications Antenna and Propagation (IRECAP), Praise Worthy Prize, 2025.
. N. Osman, K. A. Alnajjar, R. C. Bansal, “3B5G Network-enabled Radio Frequency Energy Harvesting System, ”Accepted in International Journal of Modelling and Simulation, 2024.
. A. Salem, M. Albreem, K. A. Alnajjar, S. Abdallah, and M. Saad, “Integrated
Cooperative Sensing and Communication for RIS-Enabled Full-Duplex Cell-Free
MIMO Systems, ”IEEE Transactions on Communications, Nov. 2024, doi:
10.1109/TCOMM.2024.3493795..
. M. Albreem, S. Abdallah, K. A. Alnajjar and M. Aldababsa, “Efficient detectors for
uplink massive MIMO systems, ” Journal of Communications and Networks, vol. 26, no.
1, pp. 35-48, Feb. 2024, doi: 10.23919/JCN.2023.000053.
. S. Ansaria, A. S. Alatranyb, K. A. Alnajjar, T. Khater, S. Mahmouda, D. Al-Jumeilyb
and A. J. Hussaina, “A survey of artificial intelligence approaches in blind source
separation, ”Neurocomputing, vol. 561, 126895, ISSN 0925-2312, Oct. 2023.
. P. J. Smith, P. A. Dmochowski and K. A. Alnajjar, “On the fine resolution of antenna
topologies,” IEEE Antennas and Wireless Propagation Letters, vol. 22, no. 7, pp. 1503-
1507, July 2023, doi: 10.1109/LAWP.2022.3206820.
. S. Ansari, K. A. Alnajjar, T. Khater, S. Mahmoud and A. Hussain, “A robust hybrid
neural network architecture for blind source separation of speech signals exploiting
deep learning, ” IEEE Access, vol. 11, pp. 100414-100437, Sep. 2023, doi:
10.1109/ACCESS.2023.3313972.
. M. A. Albreem, K. A. Alnajjar and A. Almasadeh, “Massive MIMO detectors based on
deep learning, stair matrix, and approximate matrix inversion methods, ” IEEE Access,
vol. 11, pp. 100268-100283, Aug. 2023, doi: 10.1109/ACCESS.2023.3310238.
. S. Ansari and K. A. Alnajjar, “Adaptive modulation and coding: A review of
the literature,” International Journal on Communications Antenna and Propagation
(IRECAP), Praise Worthy Prize, vol. 13, No. 1, 2023, doi: 10.15866/irecap.v13i1.23033.
. S. Ansari and K. A. Alnajjar, “MultiHop geneticalgorithmoptimized routing
technique in diffusionbased molecular communication,” IEEE Access,IEEE Access,
vol. 11, pp. 22689-22704, Feb. 2023, doi: 10.1109/ACCESS.2023.3244556.
. M. Saad, A. A. El-Moursey, O. Alfawaz, K. A. Alnajjar and S. Abdallah, “Wireless link
scheduling via parallel genetic algorithm, Concurrency and Computation Practice and
Experience, Wiley, vol. 34, No. 6, e6783, Dec. 2022, doi: 10.1002/cpe.6783.
. P. J. Smith, R. Senanayake, P. A. Dmochowski, K. A. Alnajjar, and A. Giorgetti, “The
impact of channel type on spectrum sensing,” IEEE Wireless Communications Letters,
IEEE, vol. 11, No. 2, pp. 230-234, Feb. 2022, doi: 10.1109/LWC.2021.3124506.
. K. A. Alnajjar, A. Jarndal and M. El-Tarhuni, P. J. Smith and S. Abdallah,
“Performance evaluation of linear detectors for mmWave MIMO systems using
ray-tracing channel model,” International Journal on Communications Antenna and
Propagation (IRECAP), Praise Worthy Prize, vol. 12, No. 2, pp 139–150, May 2022,
doi: 10.15866/irecap.v12i2.22028.
. S. Ansari, K. A. Alnajjar, M. Saad, S. Abdallah, and A. A. ElMoursy, “Automatic
digital modulation recognition based on genetic-algorithm-optimized machine learning
models,” IEEE Access, IEEE, vol. 10, pp 50265 – 50277, May 2022, doi:
10.1109/ACCESS.2022.3171909.
. O. Abu Ella and K. A. Alnajjar, “Mitigation measures for windfarm effects on radar
systems,” International Journal of Aerospace Engineering, Hindawi, vol. 2022, April
2022, doi: 10.1155/2022/1083717
. S. Abdallah, M. Saad, K. A. Alnajjar and A. A. El-Moursey,“Joint timing-offset
and channel estimation for physical layer network coding in frequency selective
environments,” IET Communications, IET, vol. 15, pp. 1917-1929, May 2021, doi:
10.1049/cmu2.12203.
. S. Abdallah, M. Saad, K. A. Alnajjar and M. Masood,“Semi-blind joint timing-offset
and channel estimation for amplify-and-forward two-way relaying,” IEEE Transactions
on Wireless Communications, vol. 19, no. 4, pp. 2613–2627, April 2020, doi:
10.1109/TWC.2020.2966968.
. A. A. El-Moursy, S. Abdallah, M. Saad and K. A. Alnajjar, “Parallel two-way relay
channel estimation in cloud-based 5G radio access networks,” IEEE Access, vol. 8, pp.
144077-144091, Aug. 2020, doi: 10.1109/ACCESS.2020.3014507.
. K. A. Alnajjar, N. Abdulrahman, F. Mahdi and M. Alramsi “Vehicle collision
avoidance,” part of the Communications in Comp. and Inform. Science book series
(CCIS, vol. 1264), Springer, Cham., Nov. 2019.
. A. Tajer, S. Sihag and K. A. Alnajjar, “ Non-linear state recovery in power system
under bad data and cyber attack,” Journal of Modern Power Systems and Clean Energy,
Springer,vol. 7, No. 5, pp 1071-1080, Sep. 2019. doi: 10.1007/s40565-019-0561-2
. K. A. Alnajjar and M. El-Tarhuni, “A C-V-BLAST spread spectrum massive MIMO
NOMA Scheme for 5G Systems with channel imperfections,” Physical Communication,
Elsevier, vol. 35, No. 100720, Aug. 2019, doi: 10.1016/j.phycom.2019.100720.
. A. Jarndal and K. A. Alnajjar, “ MM-Wave wideband propagation model for wireless
Communications in built-up environments,” Physical Communication, Elsevier, vol. 28,
pp 97–107, Jun 2018, doi: 10.1016/j.phycom.2018.03.011.
. K. A. Alnajjar and M. El-Tarhuni, “Joint C-V-BLAST and DS-NOMA for massive
MIMO,” in Lecture Notes of the Institute for Computer Sciences, Social Informatics
and Telecommunications Engineering (LNICST), Springer, Vol. 211, pp. 484-492, 2018.
. K. A. Alnajjar, P. J. Smith, P. Whiting and G. K. Woodward, “ Size and array shape for
massive MIMO,” IEEE Wireless Communications Letters, vol. 4, no. 6, pp. 653-656,
Dec. 2015, doi: 10.1109/LWC.2015.2477513.
. K. A. Alnajjar, P. J. Smith and G. K. Woodward, “Co-located and distributed
antenna systems: Deployment options for massive MIMO,” IET Microwave, Antenna
& Propagation, 7pp, Oct. 2015, doi: 10.1049/iet-map.2014.0714.
. R. W. Longman, K. A. Alnajjar and X. Ji, “ Comments on how a new engineering field
develops: A case study from iterative learning and repetitive control,” in Lecture Notes in
Electrical Engineering, 293, pp. 1273-1279, 2014.
. K. A. Alnajjar, S. Ansari, S. Almansouri, M. S. Alshehhi, M. J. Alshehhi, A. Alhamoudi,
A. Hussain and S. Mahmoud,“A LoRaWAN-Based Smart Home Energy Management
System Empowered by Artificial General Intelligence,” Accepted in Proc. IEEE Conf.
DeSE 2025, 2025.
. S. Ansari, A. S. Kaissar, S. Mahmoud, K. A. Alnajjar, E. Almajali, A. Jarndal, A. Bou
Nassif, Y. Mohamed and A. Hussain,“RealTime LowCost Automatic Collision Detection
with Owner Notification for Parked Vehicles,” Accepted in Proc. IEEE Conf. DeSE 2025,
2025.
. A. Alshamsi,K. A. Alnajjar and A. Jarndal,“’An SPI-Driven FPGA Platform for Multi-
Parameter Data Acquisition and Logging in Satellite Applications,” Accepted in Proc.
IEEE Conf. on 9th International Conference on Recent Advances and Innovations in
Engineering (ICRAIE 2025), Kuala Lumpur, Malaysia, August 2025. (Virtual)
. M. Hussain, A. Mohsin, A. Abdalla, M. Badar and K. A. Alnajjar,“’Machine Learning
for 5G Massive MIMO Systems and Beyond: Integrating Artificial General Intelligence
(AGI),” Accepted in Proc. IEEE Conf. on 9th International Conference on Recent
Advances and Innovations in Engineering (ICRAIE 2025), Kuala Lumpur, Malaysia,
August 2025. (Virtual)
. N. Mohamed, S. Ansari, S. Mahmoud, K. A. Alnajjar, L. Topham and A. Hussain,“An
intelligent movie recommender system based on deep reinforcement learning,” Accepted
in Proc. IEEE Conf. on I9th International Conference on Cloud and Big Data Computing
(ICCBDC 2025), Manchester, Uk, August 2025.
. L. Jaweli, M. Safar, M. AL-Hammadi, K. A. Alnajjar, S. Ansari, S. Mahmoud and A.
Hussain,“ Artificial intelligence-powered automated attendance monitoring system for
smart classrooms” Accepted in the Second Sharjah International Conference in Education
(SHJEDU25), Sharjah, May 2025.
. M. A. Elhaj, S. Ansari, N. Kleanthous, A. M. Alawadhi, A. S. Alsuwaidi, K. A. Alnajjar,
S. Mahmoud, H. Dahrouj and A. Hussain,“AI-Enhanced IoT-Integrated Virtual Fencing:
A Proof-of-Concept for Camel Monitoring and Collision Mitigation,” Accepted in Proc.
IEEE Conf. on International Wireless Communications & Mobile Computing Conference
2025 (IWCMC) Edge Intelligence Workshop, AbuDhabi, May 2025.
. Ansari, K. A. Alnajjar, M. Albreem, S. Mahmoud, A. Hussain and N. Faraji, “Leveraging Generative Artificial Intelligence for Enhanced Detection and Classification of Diabetic Retinopathy,” Accepted in Proc. IEEE Conf. on 22nd International MultiConference on Systems, Signals and Devices (SSD’25), Feb. 2025. ( Best Paper Award (2nd))
. K. A. Alnajjar, S. Ansari, M. Mahmoud, M. Alraeesi, M. Alhmoudi, S. Alaskar, D. Abueida, M. A. M. Albreem, S. Mahmoud, and A. Hussain, “ Adaptive Modulation and Coding Techniques for Next-Generation Wireless Networks, ” Accepted in Proc. IEEE Conf. on 22nd International Multi-Conference on Systems, Signals and Devices (SSD’25), Feb. 2025.
. S. Ansari, A. Bou Nassif, S. Mahmoud, S. Majzoub, E. Almajali, A. H. Jarndal, T.
Bonny, K. A. Alnajjar, and A. Jaafar Hussain, “ Impact of outliers on regression
and classification models: an empirical analysis, ” Accepted in Proc. IEEE Conf. on
Developments in eSystems Engineering (DeSE), Nov. 2024.
. K. A. Alnajjar, S. Ansari, Y. S. Alhmoudi, R. Ibrahim, A. A. Alblooshi, Y. Bohamad, S.
Mahmoud, and A. Hussain, “Emerging MIMO technologies for 5G networks and beyond,
” Accepted in Proc. IEEE Conf. on Developments in eSystems Engineering (DeSE), Nov.
2024.
. K. A. Alnajjar, S. Ansari, A. Alhammadi, A. Almahal, F. Rahman, A. Alsuwaidi, K.
Alzarooni, S. Mahmoud, and A. Hussain, “Advanced techniques in channel estimation,
precoding, and detection for massive MIMO systems in 5G and beyond, ” Accepted in
Proc. IEEE Conf. on Developments in eSystems Engineering (DeSE), Nov. 2024.
. K. A. Alnajjar, A. Shaman, “Network information theory: introduction and recent
advances in network coding,” Accepted in Proc. AIP on Information Technology,
Advanced Mechanical and Electrical Engineering (ICITAMEE), Indonesia, August 2024.
(Virtual)
. K. A. Alnajjar, N. Lootah, “Advanced channel coding techniques: LDPC and polar
codes,” Accepted in Proc. AIP on Information Techology, Advanced Mechanical and
Electrical Engineering (ICITAMEE), Indonisa, August 2024. (Virtual)
. K. A. Alnajjar, O. Ramadan, “AI-enhanced drowned-detection system using information
theory for rapid rescue operations,” Accepted in Proc. AIP on Information Techology,
Advanced Mechanical and Electrical Engineering (ICITAMEE), Indonisa, August 2024.
(Virtual)
. K. Almazrouei and K. A. Alnajjar, “Error-correcting codes in communication systems,”
Proc. IEEE 2024
International Wireless Communications and Mobile Computing (IWCMC), Ayia Napa,
Cyprus, 2024, pp. 1-6, doi: 10.1109/IWCMC61514.2024.10592361. (Virtual)
. K. A. Alnajjar, S. AlAli, H. Albanna, H. Aljasmi, S. Almaazmi, S. Alduhoori,
S. Ansari, A. Hussain and S. Mahmoud, “ Channel coding technologies in nextgeneration
wireless systems,” Proc. IEEE 2024 21st International Multi-Conference
on Systems, Signals & Devices (SSD), Erbil, Iraq, 2024, pp. 27-32, doi:
10.1109/SSD61670.2024.10549402.(Virtual)
. N. Osman, K. A. Alnajjar and R. Bansal, “D2D Underlay Cellular Network Optimization
Using GA Considering OFDMA-ICI, ”Proc. IEEE 2024 3rd International conference on
Power Electronics and IoT Applications in Renewable Energy and its Control (PARC),
Mathura, India, 2024, pp. 567-572, doi: 10.1109/PARC59193.2024.10486688.(Virtual)
. S. Ansari, A. Kaissar, T. Khater, K. A. Alnajjar, S. Mahmoud and A. J. Hussain,
“Optimizing spectrum prediction in cognitive radio: genetic algorithm-enhanced neural
networks and radial basis functions, ”Proc. IEEE 2023 16th International Conference on
Developments in eSystems Engineering (DeSE), Istanbul, Turkiye, 2023, pp. 337-343,
doi: 10.1109/DeSE60595.2023.10469324. (Virtual)
. K. A. Alnajjar, A. Altamimi, K. Altamimi, A. Alshehhi, S. Ansari, S. Mahmoud and A. J.
Hussain, “Smart medical pills dispenser,”Proc. IEEE 2023 16th International Conference
on Developments in eSystems Engineering (DeSE), Istanbul, Turkiye, 2023, pp. 79-86,
doi: 10.1109/DeSE60595.2023.10468851.
. K. A. Alnajjar, M. Ahmed, Y. Mohamed and S. Ansari, “Water quality monitoring
system based on the Internet of things,” Proc. IEEE 2023 IEEE 6th International
Conference on Electrical, Electronics and System Engineering (ICEESE), Shah Alam,
Malaysia, 2023, pp. 32-37, doi: 10.1109/ICEESE56169.2023.10278187., Kuala Lumpur,
Malaysia, Aug. 2023. (Virtual)
. K. A. Alnajjar, A. Y. Abushawish, and S. Ansari, “Hardware Based error correction
systems for Hamming codes: A review of the literature’,” Proc. IEEE 2023 International
Conference on Smart Applications, Communications and Networking (SmartNets),
Istanbul, Turkiye, 2023, pp. 1-8, doi: 10.1109/SmartNets58706.2023.10215549.
. A. Almasadeh, K. A. Alnajjar and M. A. Albreem, “Deep learning applications
in MIMO systems,” Proc.2023 International Conference on Smart Applications,
Communications and Networking (SmartNets), Istanbul, Turkiye, 2023, pp. 1-6, doi:
10.1109/SmartNets58706.2023.10215957.
. M. Saloumi, O. Alshaltone, S. Ansari and S. Mahmoud, K. A. Alnajjar, E. Almajali,
and A. Hussain, “ Blind source separation based on genetic algorithm-optimized
multiuser kurtosis,” 2023 46th International Conference on Telecommunications
and Signal Processing (TSP), Prague, Czech Republic, 2023, pp. 164-171, doi:
10.1109/TSP59544.2023.10197779. (Virtual)
. S. Ansari, K. A. Alnajjar, S. Mahmoud, R. Alabdan, H. Alzaabi, M. Alkaabi,
and A. Hussain, “ Speech emotion recognition using onedimensional convolutional
neural networks,” Proc. 2023 46th International Conference on Telecommunications
and Signal Processing (TSP), Prague, Czech Republic, 2023, pp. 212-216, doi:
10.1109/TSP59544.2023.1019776. (Virtual)
. A. M. Darya, K. A. Alnajjar, M. Shaikh, S. Suhaila, Y. Faroukha, S. Abdallah, I.
Fernini and H. AlNaimiy, “GPS carrier-to-noise density prediction using regression trees,
Proc. 73rd International Astronautical Congress (IAC), vol. 2022-Sep, 0074–1795, Paris,
France, Sep. 2022.
1318. A. Almasadeh, K. A. Alnajjar, M. A. Albreem, “Enhanced deep learning for
massive MIMO detection using approximate matrix inversion,” Proc. IEEE 2022 5th
International Conference on Communications, Signal Processing, and their Applications
(ICCSPA), Cairo, Egypt, 2022, pp. 1-6, doi: 10.1109/ICCSPA55860.2022.10019100.
(Virtual)
. K. A. Alnajjar, S. Ghunaim and S. Ansari, “Automatic modulation classification in
deep learning,” Proc. IEEE 2022 5th International Conference on Communications,
Signal Processing, and their Applications (ICCSPA), Cairo, Egypt, 2022, pp. 1-5, doi:
10.1109/ICCSPA55860.2022.10019122. (Virtual)
. K. A. Alnajjar, “Low complexity detectors for MIMO molecular communications
under channel estimation,” Proc. IEEE 2022 International Symposium on Networks,
Computers and Communications (ISNCC), Shenzhen, China, 2022, pp. 1-4, doi:
10.1109/ISNCC55209.2022.9851769. (Virtual)
. S. Ansari, K. A. Alnajjar, S. Abdallah, M. Saad and A. A. ElMoursy, “Parameter tuning
of MLP, RBF, and ANFIS models using genetic algorithm in modeling and classification
applications,” in Proc. IEEE 2021 International Conference on Information Technology
(ICIT), Amman, Jordan, 2021, pp. 660-666, doi: 10.1109/ICIT52682.2021.9491682.
(Virtual)
. N. Mohamed, T. Rabie, I. Kamel and K. A. Alnajjar, “Detecting secret messages in
images using neural networks,” Proc. IEEE 2021 IEEE International IOT, Electronics
and Mechatronics Conference (IEMTRONICS), Toronto, ON, Canada, 2021, pp. 1-6, doi:
10.1109/IEMTRONICS52119.2021.9422500.
. I. Ahmed, K. Shahid, F. Debretsion, H. Khammari and K. A. Alnajjar, “Energy efficiency
of multiuser sparse massive MIMO System using orthogonalized hybrid beamforming,”
Proc. 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring), Helsinki,
Finland, 2021, pp. 1-6, doi: 10.1109/VTC2021-Spring51267.2021.9448750.
. O. Alfawaz, M. A.Eddin, K. A. Alnajjar and A. A. ElMoursy, “Improved parallel ZFVBLAST
detector for MIMO system,” Proc. IEEE 2020 International Conference on
Communications, Signal Processing, and their Applications (ICCSPA), Sharjah, United
Arab Emirates, 2021, pp. 1-5, doi: 10.1109/ICCSPA49915.2021.9385766.
. S. Ansari, K. A. Alnajjar, S. Abdallah and M. Saad, “Automatic digital modulation
recognition based on machine learning algorithms,”Proc. IEEE 2020 International
Conference on Communications, Computing, Cybersecurity, and Informatics (CCCI),
Sharjah, United Arab Emirates, 2020, pp. 1-6, doi: 10.1109/CCCI49893.2020.9256809.
. O. Alfawaz, A. A. ElMoursy, K. A. Alnajjar and S. Abdallah, “ Parallel semi-blind joint
timing-offset and channel estimation for AF-TWRNs,” Proc. IEEE 2020 International
Conference on Communications, Computing, Cybersecurity, and Informatics (CCCI),
Sharjah, United Arab Emirates, 2020, pp. 1-6, doi: 10.1109/CCCI49893.2020.9256808.
. K. A. Alnajjar, N. Abdulrahman, F. Mahdi and M. Alramsi “Vehicle collision
avoidance,” In: Belkasmi, M., Ben-Othman, J., Li, C., Essaaidi, M. (eds)Advanced Communication Systems and Information Security. ACOSIS 2019.
Morocco,Communications in Computer and Information Science, vol 1264. Springer,
Cham, doi: 10:1007=978 3 030 61143 95.
. S. Abdallah, M. Saad and K. A. Alnajjar , “Joint channel and timing-offset estimation
in two-way relays,” Proc. 2019 IEEE International Symposium on Signal Processing
and Information Technology (ISSPIT), Ajman, United Arab Emirates, 2019, pp. 1-5, doi:
10.1109/ISSPIT47144.2019.9001863.
. K. A. Alnajjar and O. Hegy, “Attendance system based on biometrics and RFID,” Proc.
IEEE 2019 Fifth International Conference on Image Information Processing (ICIIP),
Shimla, India, 2019, pp. 596-599, doi: 10.1109/ICIIP47207.2019.8985745. (Virtual)
. K. A. Alnajjar and M. El-Tarhuni, “’Performance of 5GNR with interference alignment,”
Proc. IEEE2019 International Conference on Communications, Signal Processing,
and their Applications (ICCSPA), Sharjah, United Arab Emirates, 2019, pp. 1-4, doi:
10.1109/ICCSPA.2019.8713752.
. K. A. Alnajjar, S. Abdallah, M. Saad and A. A. ElMoursy,“Low complexity receivers
for massive MIMO cloud radio access systems,”Proc. 2018 International Conference on
Signal Processing and Information Security (ICSPIS), DUBAI, United Arab Emirates,
2018, pp. 1-4, doi: 10.1109/CSPIS.2018.8642715.
. K. A. Alnajjar and M. El-Tarhuni, “Performance evaluation for synchronous and
asynchronous coded C-V-BLAST massive MIMO NOMA system,” Proc. IEEE 2018
27th Wireless and Optical Communication Conference (WOCC), Hualien, Taiwan, 2018,
pp. 1-5, doi: 10.1109/WOCC.2018.8372722.
. K. A. Alnajjar and M. El-Tarhuni, “Joint C-V-BLAST and DS-NOMA for massive
MIMO,” In: Long, K., Leung, V., Zhang, H., Feng, Z., Li, Y., Zhang, Z. (eds) 5G for
Future Wireless Networks. 5GWN 2017, Beijing, China. Lecture Notes of the Institute for
Computer Sciences, Social Informatics and Telecommunications Engineering, vol 211.
Springer, Cham. doi: 10:1007=978 3 319 72823 045.
. K. A. Alnajjar, “Analysis of PR-V-BLAST receiver for massive MIMO under correlated
channel,” Proc. IEEE 2018 27th Wireless and Optical Communication Conference
(WOCC), Hualien, Taiwan, 2018, pp. 1-5, doi: 10.1109/WOCC.2018.8372722.
. K. A. Alnajjar and S. Abdallah, “Performance of low complexity receivers for
massive MIMO with channel estimation and correlation,” Proc. IEEE 2016 IEEE 3rd
International Symposium on Telecommunication Technologies (ISTT), Kuala Lumpur,
Malaysia, 2016, pp. 1-5, doi: 10.1109/ISTT.2016.7918074. (Second Best Paper Award)
. K. A. Alnajjar, P. J. Smith, G. K. Woodward and D. A. Basnayaka, “Design
and analysis of a reduced complexity MRC V-BLAST receiver for massive MIMO,”
Proc. IEEE 2016 IEEE 17th International Workshop on Signal Processing Advances
in Wireless Communications (SPAWC), Edinburgh, UK, 2016, pp. 1-5, doi:
10.1109/SPAWC.2016.7536905.
. K. A. Alnajjar, “Inverse approximation of linear receivers for massive MIMO,” Proc.
IEEE 2015 International Conference on Information and Communication Technology
Research (ICTRC), Abu Dhabi, United Arab Emirates, 2015, pp. 230-233, doi:
10.1109/ICTRC.2015.7156464.
. K. A. Alnajjar, P. J. Smith and G. K. Woodward, “Low complexity V-BLAST
for massive MIMO with adaptive modulation and power control,” Proc. IEEE
2015 International Conference on Information and Communication Technology
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