21 citations · 63 across the 18 of their papers we have counts for
23 papers
Perceptual-Quality based AMC for Enhanced mmWave Spectral Efficiency: Concept and Experiment
Kıvanç Değirmenci, Hasan Atalay Günel, Mohaned Chraiti +3
For high-throughput applications such as ultra-high-definition video streaming and immersive extended-reality, perceptual quality rather than bit-level accuracy defines the primary…
The Query Channel: Information-Theoretic Limits of Masking-Based Explanations
Erciyes Karakaya, Ozgur Ercetin
Masking-based post-hoc explanation methods, such as KernelSHAP and LIME, estimate local feature importance by querying a black-box model under randomized perturbations. This paper…
High-Fidelity Network Management for Federated AI-as-a-Service: Cross-Domain Orchestration
Mohaned Chraiti, Ozgur Ercetin, Merve Saimler
To support the emergence of AI-as-a-Service (AIaaS), communication service providers (CSPs) are on the verge of a radical transformation-from pure connectivity providers to AIaaS a…
Predictive-State Communication: Innovation Coding and Reconciliation under Delay
Ozgur Ercetin, Mohaned Chraiti
Shannon theory models communication as the reliable transfer of symbol sequences, with performance governed by capacity and rate-distortion limits. When both endpoints possess stro…
Fidelity-Age-Aware Scheduling in Quantum Repeater Networks
Ozgur Ercetin, Zafer Gedik
Quantum repeater networks distribute entanglement over long distances but must balance fidelity, delay, and resource contention. Prior work optimized throughput and end-to-end fide…
On the Structure of the Optimal Detector for Sub-THz Multi-Hop Relays with Unknown Prior: Over-the-Air Diffusion
Ozgur Ercetin, Mohaned Chraiti
Amplify and forward (AF) relaying is a viable strategy to extend the coverage of sub-terahertz (sub-THz) links, but inevitably propagates noise, leading to cumulative degradation a…
Direction-Shift Keying for High-Mobility mmWave Communications: Geometry-Based Resilience to Short Channel Coherence Times and Phase Noise
Mohaned Chraiti, Ozgur Ercetin, Ali Ghrayeb +1
Communication reliability in high-mobility millimeter-wave (mmWave) systems is fundamentally challenged by rapid channel variations, manifested in short channel coherence times, an…
Online Learning for Autonomous Management of Intent-based 6G Networks
Erciyes Karakaya, Ozgur Ercetin, Huseyin Ozkan +3
The growing complexity of networks and the variety of future scenarios with diverse and often stringent performance requirements call for a higher level of automation. Intent-based…
QoE Evaluation for Adaptive Video Streaming: Enhanced MDT with Deep Learning
Hakan Gokcesu, Ozgur Ercetin, Gokhan Kalem +1
The network performance is usually assessed by drive tests, where teams of people with specially equipped vehicles physically drive out to test various locations throughout a radio…
Self-Evolving Integrated Vertical Heterogeneous Networks
Amin Farajzadeh, Mohammad G. Khoshkholgh, Halim Yanikomeroglu +1
6G and beyond networks tend towards fully intelligent and adaptive design in order to provide better operational agility in maintaining universal wireless access and supporting a w…
Mobility-assisted Over-the-Air Computation for Backscatter Sensor Networks
Amin Farajzadeh, Ozgur Ercetin, Halim Yanikomeroglu
Future intelligent systems will consist of a massive number of battery-less sensors, where quick and accurate aggregation of sensor data will be of paramount importance. Over-the-a…
Motivating Workers in Federated Learning: A Stackelberg Game Perspective
Yunus Sarikaya, Ozgur Ercetin
Due to the large size of the training data, distributed learning approaches such as federated learning have gained attention recently. However, the convergence rate of distributed…
Self-sufficient Receiver with Wireless Energy Transfer in a Multi-access Network
Yunus Sarikaya, Ozgur Ercetin
In this letter, we consider the control of an energy self-sufficient receiver in a multi-access network with simultaneous wireless information and energy transfer. Multiple transmi…
Finite Horizon Throughput Maximization and Sensing Optimization in Wireless Powered Devices over Fading Channels
Mehdi Salehi Heydar Abad, Ozgur Ercetin
Wireless power transfer (WPT) is a promising technology that provides the network a way to replenish the batteries of the remote devices by utilizing RF transmissions. We study a c…
SWIPT using Hybrid ARQ over Time Varying Channels
Mehdi Salehi Heydar Abad, Ozgur Ercetin, Mohamed Nafie +1
We consider a class of wireless powered devices employing Hybrid Automatic Repeat reQuest (HARQ) to ensure reliable end-to-end communications over a two-state time-varying channel.…
Stable Throughput of Cooperative Cognitive Networks with Energy Harvesting: Finite Relay Buffer and Finite Battery Capacity
Mohamed A. Abd-Elmagid, Tamer ElBatt, Karim G. Seddik +1
This paper studies a generic model for cooperative cognitive radio networks where the secondary user is equipped with a finite relay queue as well as a finite battery queue. Our pr…
Channel Sensing and Communication over a Time-Correlated Channel with an Energy Harvesting Transmitter
Mehdi Salehi Heydar Abad, Ozgur Ercetin, Deniz Gündüz
An energy harvesting (EH) transmitter communicating over a time-correlated wireless channel is considered. The transmitter is capable of sensing the current channel state, albeit a…
Optimal Network-Assisted Multi-user DASH Video Streaming
Emre Ozfatura, Ozgur Ercetin, Hazer Inaltekin
Streaming video is becoming the predominant type of traffic over the Internet with reports forecasting the video content to account for 80% of all traffic by 2019. With significant…
Stability Analysis of Slotted Aloha with Opportunistic RF Energy Harvesting
Abdelrahman M. Ibrahim, Ozgur Ercetin, Tamer ElBatt
Energy harvesting (EH) is a promising technology for realizing energy efficient wireless networks. In this paper, we utilize the ambient RF energy, particularly interference from n…
Dynamic Network Control for Confidential Multi-hop Communications
Yunus Sarikaya, C. Emre Koksal, Ozgur Ercetin
We consider the problem of resource allocation and control of multihop networks in which multiple source-destination pairs communicate confidential messages, to be kept confidentia…
Throughput Optimal Multi-user Scheduling via Hierarchical Modulation
Mehmet Karaca, Ozgur Ercetin
We investigate the network stability problem when two users are scheduled simultaneously. The key idea is to simultaneously transmit to more than one users experiencing different c…
Energy-Optimal Scheduling in Low Duty Cycle Sensor Networks
Nursen Aydin, Mehmet Karaca, Ozgur Ercetin
Energy consumption of a wireless sensor node mainly depends on the amount of time the node spends in each of the high power active (e.g., transmit, receive) and low power sleep mod…
Control of Wireless Networks with Secrecy
C. Emre Koksal, Ozgur Ercetin, Yunus Sarikaya
We consider the problem of cross-layer resource allocation in time-varying cellular wireless networks, and incorporate information theoretic secrecy as a Quality of Service constra…