Ahmed Hareedy
Director of REINS Group
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About Me
I am an Assistant Professor with the Electrical and Electronics Engineering (EEE) Department at Middle East Technical University, Turkey. I am also an Affiliated Faculty Member with the Institute of Applied Mathematics (IAM) at Middle East Technical University (METU), Turkey. I am the founder and director of the Reliable and Efficient INformation Systems (REINS) Group at METU. This is my METU webpage.
I was a Postdoctoral Associate with the Electrical and Computer Engineering (ECE) Department at Duke University between 2018 and 2021, where I was working with Robert Calderbank. I received my Ph.D. degree in Electrical and Computer Engineering (ECE) from the University of California, Los Angeles (UCLA). At UCLA, I was working with Lara Dolecek as part of the Laboratory for Robust Information Systems (LORIS).
Before joining UCLA, I studied Electronics and Communications Engineering at Cairo University. I received my M.S. and Bachelor degrees from Cairo University in 2011 and 2006, respectively.
My paper "A combinatorial methodology for optimizing non-binary graph-based codes: Theoretical analysis and applications in data storage" won the 2018-2019 Best Student Paper Award of the IEEE Data Storage Technical Committee (DSTC) (news on IEEE DSTC website, news on UCLA LORIS website).
My paper "A three-stage approach for designing non-binary spatially-coupled codes for Flash memories" won the Memorable Paper Award at the 2018 Non-Volatile Memories Workshop (NVMW), in the area of devices, coding, and information theory (news on UCLA ECE website, news on UCSD Engineering website).
My paper "Non-binary LDPC code optimization for partial-response channels" won the Best Paper Award at the 2015 IEEE Global Communications Conference (GLOBECOM), Selected Areas in Communications (SAC), Data Storage Track (news on UCLA ECE website).
I won the prestigious 2018-2019 Distinguished Ph.D. Dissertation Award in Signals and Systems from the Electrical and Computer Engineering (ECE) Department at UCLA (news on UCLA ECE website). I won the 2016-2017 Electrical Engineering Henry Samueli Excellence in Teaching Award for teaching Probability and Statistics (EE 131A) at UCLA. I also won the 2017-2018 Dissertation Year Fellowship (DYF) at UCLA (news on UCLA ECE website).
These are my CV, LinkedIn account, Google Scholar account, and Research Gate account.
I have been recently awarded the TÜBİTAK 2232-B International Fellowship for Early Stage Researchers in 2022 (news on METU EEE website). I am looking for motivated and talented students to join my research group. Financial support is available for graduate students. If you are interested in working with me, please email me, attaching your detailed CV. Also keep checking these Policies.
Research Interests
My research interests are broadly in applying coding/information theoretic concepts and techniques to solve problems associated with modern practical systems, e.g., data-hungry systems. I am interested in working on coding/information theoretic problems with applications in data storage, data transmission, cloud storage, blockchain-based systems, distributed computing, machine learning, quantum computing, privacy and secrecy, DNA analysis, computer systems, and wireless communications. The techniques I develop involve tools from combinatorics, graph theory, linear algebra, algorithms, probability theory, stochastic processes, statistics, abstract algebra, and optimization.
The focus of my recent and my current research is on:
Error-correction codes for modern applications:
Non-binary, spatially-coupled, and multi-dimensional LDPC codes.
Capacity-achieving, reconfigurable constrained codes.
Magnetic, solid-state, and other storage systems.
How machine learning and coding can help each other.
Data processing in edge devices.
In-memory computing and resistive memories.
Reliable, low-latency computational storage.
Signal processing and coding for DNA data storage.
Quantum computing and quantum error correction.
Unequal data protection for various systems.
Coding for centralized cloud systems.
Coding for blockchain-based decentralized cloud systems.
Modern wireless communication systems.
Power spectral density of constrained sequences.
Importance sampling for statistical prediction.
Channel characterization and channel modeling.
Optimization techniques and applications.
Iterative probabilistic algorithms and applications.
Graph-theoretic methods and applications.
Announcements
(12/2024) Check out the special issue on data storage of the IEEE BITS the Information Theory Magazine, of which I was a Guest Editor: Part 1 and Part 2.
(08/2024) Congratulations to Seral on earning the M.S. degree after successfully defending her thesis!
(08/2024) Congratulations to Ata, Mustafa, Selahattin, and Gulnihal on earning their Bachelor degrees!
(07/2024) Dogukan and Ata present some of our recent results at the IEEE International Symposium on Information Theory (ISIT).
(07/2024) Mete Han becomes the second REINS member to earn the TÜBİTAK 2247-C (STAR Researcher Programme) scholarship. Congratulations, Mete Han!
(06/2024) All participating REINS members win awards for their senior-year design projects. Congratulations, Mustafa, Duru, Ata, Gulnihal, and Selahattin!
(05/2024) Congratulations to Canberk on becoming a Ph.D. candidate after getting his thesis proposal accepted!
(05/2024) Our paper, "Protecting the future of information: LOCO coding with error detection for DNA data storage," was accepted at IEEE Transactions on Molecular, Biological, and Multi-Scale Communications.
(04/2024) We have two new papers accepted at IEEE ISIT 2024.
(04/2024) Congratulations to Mustafa, Kaan, Ata, and Yunus on winning Bulent Kerim Altay awards!
(03/2024) Our paper, "Eliminating media noise while preserving storage capacity: Reconfigurable constrained codes for two-dimensional magnetic recording," was accepted at IEEE Transactions on Information Theory.
(02/2024) We have a new paper accepted at NVMW 2024, and it has been announced a finalist for the Memorable Paper Award (more on NVMW website)!
(02/2024) Check out our new research on designing multi-dimensional spatially-coupled LDPC codes using the gradient-descent algorithm: "Probabilistic design of multi-dimensional spatially-coupled codes."
(01/2024) Ata earns the TÜBİTAK 2247-C (STAR-Intern Researcher Scholarship Programme) scholarship. Congratulations, Ata!
(12/2023) New group member: Welcome, Mucahit!
(12/2023) Dogukan receives a Research Assistant position in our department. Congratulations, Dogukan!
(11/2023) Canberk passes the Ph.D. Qualifying Exam. Congratulations, Canberk!
(11/2023) Check out our new research on capacity-achieving, low-complexity constrained codes with error detection for DNA data storage: "Protecting the future of information: LOCO coding with error detection for DNA data storage."
(09/2023) Check out our new research on eliminating interference in modern two-dimensional magnetic recording systems: "Eliminating media noise while preserving storage capacity: Reconfigurable constrained codes for two-dimensional magnetic recording."
(08/2023) Our paper, "Efficient constrained codes that enable page separation in modern Flash memories," was accepted at IEEE Transactions on Communications.
(08/2023) New group member: Welcome, Selahattin!
(07/2023) Congratulations to Dogukan, Ece, and Kaan on earning their Bachelor degrees!
(07/2023) Group name: Our group is now officially named the Reliable and Efficient INformation Systems (REINS) Group!
(07/2023) We have a new paper accepted at ISTC 2023.
(05/2023) Check out our new research on the threshold and convergence-speed gains of unequal data protection in LDPC-coded systems: "LDPC decoders prefer more reliable parity bits: Unequal data protection over BSC."
(05/2023) Congratulations to Kaan and Ata on winning two Bulent Kerim Altay awards!
(02/2023) Check out our new research on 1D and 2D read-and-run reconfigurable constrained codes that extend the lifetime of modern Flash memories: "Efficient constrained codes that enable page separation in modern Flash memories."
(09/2022) Our paper, "Breaking the computational bottleneck: Probabilistic optimization of high-memory spatially-coupled codes," was accepted at IEEE Transactions on Information Theory.
(05/2022) I have been selected as one of four Editors for the special issue of the IEEE BITS Magazine (the IEEE Information Theory Magazine) on data storage.
(04/2022) Our paper, "The secret arithmetic of patterns: A general method for designing constrained codes based on lexicographic indexing," was accepted at IEEE Transactions on Information Theory.
(03/2022) I have been awarded the TÜBİTAK 2232-B International Fellowship for Early Stage Researchers in 2022 (news on METU EEE website)!
(03/2022) New group member: Welcome, Seral!
(03/2022) I joined the Electrical and Electronics Engineering Department at Middle East Technical University (METU), Turkey, as an Assistant Professor!
(02/2022) Our paper, "Hierarchical coding for cloud storage: Topology-adaptivity, scalability, and flexibility," was accepted at IEEE Transactions on Information Theory.
(01/2022) We have a new paper accepted at IEEE ICC 2022.
(11/2021) Check out our new research on low complexity constrained codes that increase lifetime while preserving access speed of modern Flash memories: "Read-and-run constrained coding for modern Flash devices."
(09/2021) Check out our new research on using gradient descent to design high performance spatially-coupled codes: "Breaking the computational bottleneck: Probabilistic optimization of high-memory spatially-coupled codes."
(08/2020) Our paper, "A combinatorial methodology for optimizing non-binary graph-based codes: Theoretical analysis and applications in data storage," won the 2018-2019 Best Student Paper Award of the IEEE Data Storage Technical Committee (DSTC) (news on UCLA LORIS website)!
(06/2019) I won the prestigious 2018-2019 Distinguished Ph.D. Dissertation Award in Signals and Systems from the Electrical and Computer Engineering (ECE) Department at UCLA (news on UCLA ECE website)!
(12/2018) I joined the Electrical and Computer Engineering (ECE) Department at Duke University as a Postdoctoral Associate.
(10/2018) I earned my Ph.D. degree in Electrical and Computer Engineering (ECE) from UCLA (my defense flyer on UCLA ECE website)!
Contact
Assist. Prof. Ahmed Hareedy
Middle East Technical University (Orta Doğu Teknik Üniversitesi)
Electrical and Electronics Engineering Department (Elektrik ve Elektronik Mühendisliği D-103 Bölüm Başkanlığı)
Üniversiteler Mahallesi, Dumlupınar Bulvarı No:1 06800
Çankaya, Ankara, Turkey
Room number: D-124-2
Research group room number: DB-08
Phone number: +90 (312) 210-2376
Emails: ahareedy at metu dot edu dot tr; ahareedy at ucla dot edu