Research

Journal Articles

[J39] S. Asad Ullah, S. Zeb, A. Mahmood, S. A. Hassan, and M. Gidlund, “Opportunistic CR-NOMA transmissions for zero-energy devices: A DRL-driven optimization strategy,” IEEE Wireless Communications Letters, vol. 12, no. 5, pp. 893–897, 2023

[J38] A. Mahmood, S. Fakhrul Abedin, M. O’Nils, M. Bergman, and M. Gidlund, “Remote-Timber: An outlook for teleoperated forestry with first 5G measurements,” IEEE Industrial Electronics Magazine, pp. 2–14, 2023, doi=https://doi.org/10.1109/MIE.2023.3284202

[J37] S. U. Minhaj, A. Mahmood, S. F. Abedin, S. A. Hassan, M. T. Bhatti, S. H. Ali, and M. Gidlund, “Intelligent resource allocation in LoRaWAN using machine learning techniques,” IEEE Access, vol. 11, pp. 10 092–10 106, 2023

[J36] J. Nikonowicz, A. Mahmood, M. I. Ashraf, E. Björnson, and M. Gidlund, “Indoor positioning trends in 5G-advanced: Challenges and solution towards centimeter-level accuracy,” arXiv:2209.01183, 2022, [Under 2nd review in IEEE Wireless Communications Magazine]

[J35] N. Waqar, S. A. Hassan, A. Mahmood, K. Dev, D.-T. Do, and M. Gidlund, “Computation offloading and resource allocation in MEC-enabled integrated aerial-terrestrial vehicular networks: A reinforcement learning approach,” IEEE Transactions on Intelligent Transportation Systems, vol. 23, no. 11, pp. 21 478–21 491, 2022

[J34] S. F. Abedin, A. Mahmood, N. H. Tran, Z. Han, and M. Gidlund, “Elastic O-RAN slicing for industrial monitoring and control: A distributed matching game and deep reinforcement learning approach,” IEEE Transactions on Vehicular Technology, vol. 71, no. 10, pp. 10 808–10 822, 2022

[J33] H. Lundberg, N. I. Mowla, S. F. Abedin, K. Thar, A. Mahmood, M. Gidlund, and S. Raza, “Experimental analysis of trustworthy in-vehicle intrusion detection system using explainable artificial intelligence (XAI),” IEEE Access, vol. 10, pp. 102 831–102 841, 2022

[J32] S. Zeb, A. Mahmood, S. A. Khowaja, K. Dev, S. A. Hassan, N. M. F. Qureshi, M. Gidlund, and P. Bellavista, “Industry 5.0 is coming: A survey on intelligent NextG wireless networks as technological enablers,” arXiv preprint arXiv:2205.09084, 2022, [Under review in Journal of Network and Computer Applications]

[J31] D. Yang, A. Mahmood, S. A. Hassan, and M. Gidlund, “Guest editorial: Industrial IoT and sensor networks in 5G-and-beyond wireless communication,” IEEE Transactions on Industrial Informatics, vol. 18, no. 6, pp. 4118–4121, 2022

[J30] M. W. Akhtar, S. A. Hassan, A. Mahmood, H. Jung, H. K. Qureshi, and M. Gidlund, “Q2A-NOMA: A Q-learning-based QoS-aware NOMA system design for diverse data rate requirements,” IEEE Transactions on Industrial Informatics, vol. 18, no. 11, pp. 7549–7559, 2022

[J29] S. Zeb, A. Mahmood, S. A. Hassan, M. Gidlund, and M. Guizani, “Analysis of beyond 5G integrated communication and ranging services under indoor 3-D mmwave stochastic channels,” IEEE Transactions on Industrial Informatics, vol. 18, no. 10, pp. 7128–7138, 2022

[J28] S. Zeb, A. Mahmood, S. A. Hassan, M. J. Piran, M. Gidlund, and M. Guizani, “Industrial digital twins at the nexus of NextG wireless networks and computational intelligence: A survey,” Journal of Network and Computer Applications, vol. 200, p. 103309, 2022

[J27] S. Basharat, S. A. Hassan, A. Mahmood, Z. Ding, and M. Gidlund, “Reconfigurable intelligent surface-assisted backscatter communication: A new frontier for enabling 6G IoT networks,” IEEE Wireless Communications, pp. 1–8, 2022

[J26] A. Mahmood, S. F. Abedin, T. Sauter, M. Gidlund, and K. Landernas, “Factory 5G: A review of industry-centric features and deployment options,” IEEE Industrial Electronics Magazine, vol. 16, no. 2, pp. 24–34, 2022

[J25] A. Mahmood, L. Beltramelli, S. Fakhrul Abedin, S. Zeb, N. I. Mowla, S. A. Hassan, E. Sisinni, and M. Gidlund, “Industrial IoT in 5G-and-beyond networks: Vision, architecture, and design trends,” IEEE Transactions on Industrial Informatics, vol. 18, no. 6, pp. 4122–4137, 2022

[J24] S. Basharat, S. A. Hassan, H. Pervaiz, A. Mahmood, Z. Ding, and M. Gidlund, “Reconfigurable intelligent surfaces: Potentials, applications, and challenges for 6G wireless networks,” IEEE Wireless Communications, vol. 28, no. 6, pp. 184–191, 2021

[J23] F. Khodakhah, A. Mahmood, P. Österberg, and M. Gidlund, “Multiple access-enabled relaying with piece-wise and forward NOMA: Rate optimization under reliability constraints,” Sensors, vol. 21, no. 14, p. 4783, 2021

[J22] A. W. Nazar, S. A. Hassan, H. Jung, A. Mahmood, and M. Gidlund, “BER analysis of a backscatter communication system with non-orthogonal multiple access,” IEEE Transactions on Green Communications and Networking, vol. 5, no. 2, pp. 574–586, 2021

[J21] L. Beltramelli, A. Mahmood, P. Österberg, M. Gidlund, P. Ferrari, and E. Sisinni, “Energy efficiency of slotted LoRaWAN communication with out-of-band synchronization,” IEEE Transactions on Instrumentation and Measurement, vol. 70, pp. 1–11, 2021

[J20] L. Beltramelli, A. Mahmood, P. Ferrari, P. Österberg, M. Gidlund, and E. Sisinni, “Synchronous LoRa communication by exploiting large-area out-of-band synchronization,” IEEE Internet of Things Journal, vol. 8, no. 10, pp. 7912–7924, 2021

[J19] J. Nikonowicz, A. Mahmood, and M. Gidlund, “A blind signal samples detection algorithm for accurate primary user traffic estimation,” Sensors, vol. 20, no. 15, p. 4136, 2020

[J18] M. Anjum, M. A. Khan, S. A. Hassan, A. Mahmood, H. K. Qureshi, and M. Gidlund, “RSSI fingerprinting-based localization using machine learning in LoRa networks,” IEEE Internet of Things Magazine, vol. 3, no. 4, pp. 53–59, 2020

[J17] S. Grimaldi, A. Mahmood, S. A. Hassan, M. Gidlund, and G. P. Hancke, “Autonomous interference mapping for industrial Internet of things networks over unlicensed bands: Identifying cross-technology interference,” IEEE Industrial Electronics Magazine, vol. 15, no. 1, pp. 67–78, 2021

[J16] L. Beltramelli, A. Mahmood, P. Österberg, and M. Gidlund, “LoRa beyond ALOHA: An investigation of alternative random access protocols,” IEEE Transactions on Industrial Informatics, vol. 17, no. 5, pp. 3544–3554, 2021, [Received IEEE Sweden VT-COM-IT Best Student Journal Paper Award]

[J15] S. Grimaldi, L. Martenvormfelde, A. Mahmood, and M. Gidlund, “Onboard spectral analysis for low-complexity IoT devices,” IEEE Access, vol. 8, pp. 43 027–43 045, 2020

[J14] R. Rondón, A. Mahmood, S. Grimaldi, and M. Gidlund, “Understanding the performance of Bluetooth Mesh: Reliability, delay, and scalability analysis,” IEEE Internet of Things Journal, vol. 7, no. 3, pp. 2089–2101, 2020

[J13] A. Mahmood, M. I. Ashraf, M. Gidlund, J. Torsner, and J. Sachs, “Time synchronization in 5G wireless edge: Requirements and solutions for critical-MTC,” IEEE Communications Magazine, vol. 57, no. 12, pp. 45–51, 2019

[J12] M. S. Aslam, A. Khan, A. Atif, S. A. Hassan, A. Mahmood, H. K. Qureshi, and M. Gidlund, “Exploring multi-hop LoRa for green smart cities,” IEEE Network Magazine, vol. 34, no. 2, pp. 225–231, 2020

[J11] R. Basir, S. Qaisar, M. Ali, M. Aldwairi, M. I. Ashraf, A. Mahmood, and M. Gidlund, “Fog computing enabling industrial internet of things: State-of-the-art and research challenges,” Sensors, vol. 19, no. 21, p. 4807, 2019

[J10] R. I. Ansari, H. Pervaiz, C. Chrysostomou, S. A. Hassan, A. Mahmood, and M. Gidlund, “Control data separation architecture for dual-band mmWave networks: A new dimension to spectrum management,” IEEE Access, vol. 7, pp. 34 925–34 937, 2019

[J9] A. Mahmood, M. M. A. Hossain, C. Cavdar, and M. Gidlund, “Energy-reliability aware link optimization for battery-powered IoT devices with nonideal power amplifiers,” IEEE Internet of Things Journal, vol. 6, no. 3, pp. 5058–5067, 2019

[J8] S. Grimaldi, A. Mahmood, and M. Gidlund, “Real-time interference identification via supervised learning: Embedding coexistence awareness in IoT devices,” IEEE Access, vol. 7, pp. 835–850, 2019

[J7] J. Nikonowicz, A. Mahmood, E. Sisinni, and M. Gidlund, “Noise power estimators in ISM radio environments: Performance comparison and enhancement using a novel samples separation technique,” IEEE Transactions on Instrumentation and Measurement, vol. 68, no. 1, pp. 105–115, Jan 2019

[J6] A. Mahmood, E. Sisinni, L. Guntupalli, R. Rondon, S. A. Hassan, and M. Gidlund, “Scalability analysis of a LoRa network under imperfect orthogonality,” IEEE Transactions on Industrial Informatics, vol. 15, no. 3, pp. 1425–1436, 2019

[J5] S. Grimaldi, A. Mahmood, and M. Gidlund, “An SVM-based method for classification of external interference in industrial wireless sensor and actuator networks,” Journal of Sensor and Actuator Networks, vol. 6, no. 2, 2017

[J4] A. Mahmood and R. Jäntti, “Packet error rate analysis of uncoded schemes in block-fading channels using extreme value theory,” IEEE Communications Letters, vol. 21, no. 1, pp. 208–211, Jan 2017

[J3] H. Yigitler, A. Mahmood, R. Virrankoski, and R. Jäntti, “Recursive clock skew estimation for wireless sensor networks using reference broadcasts,” IET Wireless Sensor Systems, vol. 2, no. 4, pp. 338–350, December 2012

[J2] A. Mahmood and R. Jäntti, “A decision theoretic approach for channel ranking in crowded unlicensed bands,” Wireless Networks, vol. 17, no. 4, pp. 907–919, May 2011

[J1] M. Bocca, A. Mahmood, L. M. Eriksson, R. Jäntti, and J. Kullaa, “A synchronized wireless sensor network for experimental modal analysis in structural health monitoring,” Computer-Aided Civil and Infrastructure Engineering, vol. 26, no. 7, pp. 483–499, 2011

Conference Proceedings

[C37] F. Salehi, A. Mahmood, N. H. Mahmood, and M. Gidlund, “Reliable interference prediction and management with time-correlated traffic for URLLC,” in IEEE Global Communications Conference (GLOBECOM), 2023, (Accepted for publication) (Poster)

[C36] F. Khodakha, S. Čedomir, A. Mahmood, H. Farag, P. Öesterberg, and M. Gidlund, “NOMA or puncturing for uplink eMBB-URLLC coexistence from an AoI perspective?,” in IEEE Global Communications Conference (GLOBECOM), 2023, (Accepted for publication)

[C35] S. Basharat, S. A. Hassan, H. Jung, K. Dev, A. Mahmood, and M. Gidlund, “Ergodic rate analysis of RIS-assisted BAC-NOMA systems under Nakagami-m fading,” in IEEE Global Communications Conference (GLOBECOM), 2023, (Accepted for publication)

[C34] D. Chmieliauskas, A. Mahmood, K. Thar, Š. Paulikas, and M. Gidlund, “Q-learning inspired method for antenna azimuth selection in cellular networks,” in IEEE Workshop on Microwave Theory and Technology in Wireless Communications (MTTW), 2023, (Accepted for publication)

[C33] T. Fedullo, A. Mahmood, F. Tramarin, A. Morato, M. Gidlund, and L. Rovati, “Exploiting hybrid medium access control and relaying strategies to overcome duty-cycle limitations in LoRa-based sensor networks,” in IEEE International Instrumentation and Measurement Technology Conference (I2MTC), 2023, pp. 1–6

[C32] S. Basharat, S. A. Hassan, H. Jung, A. Mahmood, and M. Gidlund, “Effective capacity analysis of delay-constrained STAR-RIS assisted BAC-NOMA systems,” in IEEE International Conference on Communications (ICC), 2023, pp. 1–6 (Paper, Presentation)

[C31] M. W. Akhtar, A. Mahmood, S. F. Abedin, S. A. Hassan, and M. Gidlund, “Exploiting NOMA for radio resource efficient traffic steering use-case in O-RAN,” in IEEE Global Communications Conference (GLOBECOM), 2022, pp. 5771–5776

[C30] F. Khodakhah, A. Mahmood, S. F. Abedin, K. Thar, P. Österberg, and M. Gidlund, “Design and resource allocation of NOMA-based transmission scheme for industrial collaborative AR,” in IEEE Globecom Workshops (GC Wkshps), 2022, pp. 1604–1609

[C29] S. A. Ullah, S. Zeb, A. Mahmood, S. A. Hassan, and M. Gidlund, “Deep RL-assisted energy harvesting in CR-NOMA communications for NextG IoT networks,” in IEEE Globecom Workshops (GC Wkshps), 2022, pp. 74–79

[C28] R. M. Colombo, A. Mahmood, E. Sisinni, P. Ferrari, and M. Gidlund, “Low-cost SDR-based tool for evaluating LoRa satellite communications,” in IEEE International Symposium on Measurements & Networking (M&N), 2022, pp. 1–6

[C27] N. Rubab, S. Zeb, A. Mahmood, S. A. Hassan, M. I. Ashraf, and M. Gidlund, “Interference mitigation in RIS-assisted 6G systems for indoor industrial IoT networks,” in IEEE 12th Sensor Array and Multichannel Signal Processing Workshop (SAM), 2022, pp. 211–215

[C26] R. Mugisha, A. Mahmood, S. F. Abedin, L. Beltramelli, and M. Gidlund, “Joint power and blocklength allocation for energy-efficient ultra-reliable and low-latency communications,” in 17th International Symposium on Wireless Communication Systems (ISWCS), 2021, pp. 1–6

[C25] S. U. Minhaj, S. H. Ali, M. T. Bhatti, S. A. Hassan, A. Mahmood, and M. Gidlund, “How SICenabled LoRa fares under imperfect orthogonality?” in 2021 International Wireless Communications and Mobile Computing (IWCMC), 2021, pp. 729–734

[C24] D. Ilyas, S. A. Hassan, A. Mahmood, and M. Gidlund, “Performance of STBC cooperative NOMA with imperfect successive interference cancellation,” in IEEE International Conference

on Communications Workshops (ICC Workshops), 2021, pp. 1–6

[C23] S. Zeb, M. A. Rathore, A. Mahmood, S. A. Hassan, J. Kim, and M. Gidlund, “Edge intelligence in softwarized 6G: Deep learning-enabled network traffic predictions,” in IEEE Globecom Workshops (GC Wkshps), 2021, pp. 1–6

[C22] N. Waqar, S. A. Hassan, A. Mahmood, M. Gidlund, and H. Jung, “Joint power and beamforming optimization of UAV-assisted NOMA networks for B5G-enabled smart cities,” in Proceedings of the 1st Workshop on Artificial Intelligence and Blockchain Technologies for Smart Cities with 6G, ser. 6G-ABS ’21, 2021, pp. 25–30

[C21] S. Zeb, A. Mahmood, H. Pervaiz, S. A. Hassan, M. I. Ashraf, Z. Li, and M. Gidlund, “On TOAbased ranging over mmWave 5G for indoor industrial IoT networks,” in IEEE Globecom Workshops (GC Wkshps), 2020, pp. 1–6

[C20] M. Reno, R. Rondón, L. L. Bello, G. Patti, A. Mahmood, A. Lombardo, and M. Gidlund, “Relay node selection in Bluetooth mesh networks,” in IEEE 20th Mediterranean Electrotechnical Conference ( MELECON), 2020, pp. 175–180

[C19] S. Zeb, A. Mahmood, S. A. Hassan, S. H. Ahmed, and M. Gidlund, “Impact of indoor multipath channels on timing advance for URLLC in industrial IoT,” in IEEE International Conference on Communications Workshops (ICC Workshops), 2020, pp. 1–6

[C18] A. Bombino, S. Grimaldi, A. Mahmood, and M. Gidlund, “Machine learning-aided classification of LoS/NLoS radio links in industrial IoT,” in IEEE International Conference on Factory Communication Systems (WFCS), 2020, pp. 1–8

[C17] M. Anjum, M. A. Khan, S. Ali Hassan, A. Mahmood, and M. Gidlund, “Analysis of RSSI fingerprinting in LoRa networks,” in 15th International Wireless Communications & Mobile Computing Conference (IWCMC), 2019, pp. 1178–1183

[C16] S. Zeb, Q. Abbas, S. A. Hassan, A. Mahmood, R. Mumtaz, S. M. Hassan Zaidi, S. Ali Raza Zaidi, and M. Gidlund, “NOMA enhanced backscatter communication for green IoT networks,” in 16th International Symposium on Wireless Communication Systems (ISWCS), 2019, pp. 640–644

[C15] M. K. Shehzad, S. A. Hassan, A. Mahmood, and M. Gidlund, “On the association of small cell base stations with UAVs using unsupervised learning,” in IEEE 89th Vehicular Technology Conference (VTC2019-Spring), 2019, pp. 1–5

[C14] L. Beltramelli, A. Mahmood, M. Gidlund, P. Österberg, and U. Jennehag, “Interference modelling in a multi-cell LoRa system,” in 14th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), Oct 2018, pp. 1–8

[C13] A. Mahmood, M. I. Ashraf, M. Gidlund, and J. Torsner, “Over-the-air time synchronization for URLLC: Requirements, challenges and possible enablers,” in 15th International Symposium on Wireless Communication Systems (ISWCS), Aug 2018, pp. 1–6 (Paper, Presentation)

[C12] H. Farag, A. Mahmood, M. Gidlund, and P. Öesterberg, “PR-CCA MAC: A prioritized random CCA MAC protocol for mission-critical IoT applications,” in IEEE International Conference on Communications (ICC), May 2018, pp. 1–6

[C11] L. Guntupalli, H. Farag, A. Mahmood, and M. Gidlund, “Priority-oriented packet transmissions in Internet of things: Modeling and delay analysis,” in IEEE International Conference on Communications (ICC), May 2018, pp. 1–6

[C10] A. Mahmood, M. M. A. Hossain, and M. Gidlund, “Cross-layer optimization of wireless links under reliability and energy constraints,” in IEEE Wireless Communications and Networking Conference (WCNC), April 2018, pp. 1–6 (Paper Presentation)

[C9] S. F. Hassan, A. Mahmood, S. A. Hassan, and M. Gidlund, “Wireless mediation for multi-hop networks in time critical industrial applications,” in IEEE Globecom Workshops (GC Wkshps), 2018, pp. 1–6

[C8] ——, “Wireless mediation of multiple equi-priority events in time-critical industrial applications,” in Proceedings of the 1st ACM MobiHoc Workshop on Networking and Cybersecurity for Smart Cities, ser. SmartCitiesSecurity’18. New York, NY, USA: ACM, 2018, pp. 2:1–2:6

[C7] A. Mahmood and M. Gidlund, “Renewal-theoretic packet collision modeling under long-tailed heterogeneous traffic,” in IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Oct 2017, pp. 1–7 (Paper, Presentation)

[C6] A. Mahmood, H. Yigitler, and R. Jäntti, “Stochastic packet collision modeling in coexisting wireless networks for link quality evaluation,” in IEEE International Conference on Communications (ICC), June 2013, pp. 1915–1920

[C5] H. Shariatmadari, A. Mahmood, and R. Jäntti, “Channel ranking based on packet delivery ratio estimation in wireless sensor networks,” in IEEE Wireless Communications and Networking Conference (WCNC), April 2013, pp. 59–64, [Best Paper Award] 

[C4] E. I. Cosar, A. Mahmood, and M. Björkbom, “A-stack: A real-time protocol stack for IEEE802.15.4 radios,” in IEEE 36th Conference on Local Computer Networks, Oct 2011, pp. 1020–1023

[C3] A. Mahmood, K. Koufos, and R. Jäntti, “Channel ranking algorithm and ranking error bounds: A two channel case,” in IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sep. 2011, pp. 1071–1076 (Paper, Presentation)

[C2] A. Mahmood and R. Jäntti, “Time synchronization accuracy in real-time wireless sensor networks,” in IEEE 9th Malaysia International Conference on Communications (MICC), Dec 2009, pp. 652–657 (Paper, Presentation)

[C1] M. M. A. Hossian, A. Mahmood, and R. Jäntti, “Channel ranking algorithms for cognitive coexistence of IEEE 802.15.4,” in IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sep. 2009, pp. 112–116

Book Chapters

[ B3] E. Sisinni and A. Mahmood, "Wireless Communications for Industrial Internet of Things: The LPWAN Solutions," Cham: Springer International Publishing, 2021, pp. 79–103

[ B2] S. Zeb, Q. Abbas, S. A. Hassan, A. Mahmood, and M. Gidlund, “Enhancing backscatter communication in IoT networks with power-domain NOMA,” in Wireless-Powered Backscatter Communications for Internet of Things. Springer, 2020, pp. 81–101

[ B1] J. Nieminen, S. Nethi, M. Björkbom, A. Mahmood, L. Eriksson, and R. Jäntti, “Advanced communication solutions for reliable wireless sensor systems,” in Smart Wireless Sensor Networks. InTech, 2010