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Ahmed Alkhateeb’s indexed work centers on millimeter-wave (mmWave) cellular systems, with a particular focus on channel estimation and hybrid precoding. His highly cited first-author paper on channel estimation and hybrid precoding for mmWave systems (2,647 citations) established foundational techniques for reducing hardware complexity in massive MIMO arrays. He extended this line of inquiry with a first-author study on limited feedback hybrid precoding for multi-user mmWave systems (1,146 citations), addressing the practical challenge of feeding back channel state information with low overhead. His later first- and senior-author works incorporate deep learning for beam and blockage prediction using sub-6 GHz channels (313 citations) and deep reinforcement learning for joint beamforming and power control in 5G networks (287 citations), signaling a shift toward data-driven approaches for highly mobile and interference-limited environments. Beyond his lead-author contributions, Alkhateeb contributed as a middle author to a widely cited survey on wireless communications above 100 GHz for 6G and beyond (2,516 citations), which helped frame the opportunities and challenges for next-generation systems. He also co-authored a study on hybrid MIMO architectures comparing phase shifters versus switches (911 citations), providing a comparative analysis of hardware trade-offs. His first-authored DeepSense 6G dataset (228 citations) provides a large-scale real-world multi-modal sensing and communication resource for the research community. Collectively, these works trace a trajectory from theoretical precoding algorithms for mmWave systems to practical, learning-enhanced solutions and open datasets that support real-world deployment.
Ahmed Alkhateeb, Sam Alex, Paul Varkey, Ying Li, Qi Qu, D. Tujkovic
Muhammad Alrabeiah, Ahmed Alkhateeb
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Faris B. Mismar, Brian L. Evans, Ahmed Alkhateeb
Georgios C. Trichopoulos, Panagiotis C. Theofanopoulos, Bharath G. Kashyap, Aditya S. Shekhawat, Anuj Y. Modi, Tawfik Osman, Sanjay Kumar, Anand Pratap Singh Sengar, Arkajyoti Chang, Ahmed Alkhateeb
Yuwen Yang, Feifei Gao, Zhimeng Zhong, Bo Ai, Ahmed Alkhateeb