152 citations · 329 across the 94 of their papers we have counts for
107 papers
Phase-Coherent Multistatic Sensing under Phase Noise in Distributed ISAC
Musa Furkan Keskin, Silan Karadag, Navid Amani +3
We investigate phase-coherent multistatic sensing in distributed ISAC systems where spatially separated access points (APs) share a common, non-ideal local oscillator (LO) impaired…
Hybrid Monostatic and Bistatic Sensing for Target Localization in OFDM Systems under Phase Noise
Lucía Pallarés Rodríguez, Musa Furkan Keskin, Alireza Pourafzal +3
In hybrid monostatic-bistatic orthogonal frequency-division multiplexing (OFDM) sensing, each sensing node receives a superposition of monostatic and bistatic target returns, whose…
Bistatic ISAC under Data Payload Uncertainty
Musa Furkan Keskin, Silvia Mura, Marouan Mizmizi +3
We investigate the problem of data payload uncertainty (DPU) in bistatic integrated sensing and communication (ISAC) systems, which refers to imperfect knowledge of transmit data s…
POPT: Physics-Informed Deep Learning for Phase-Only Positioning in Distributed MIMO
Fatih Ayten, Ossi Kaltiokallio, Jukka Talvitie +6
This article develops a physics-informed deep learning framework for single-snapshot 3D phase-only positioning in narrowband phase-coherent distributed multiple-input multiple-outp…
Phase-Coherent Doppler-Only Sensing for D-MIMO ISAC
Silan Karadag, Musa Furkan Keskin, Navid Amani +3
This paper studies phase-coherent Doppler-only sensing for bandwidth-limited sub-6 GHz D-MIMO ISAC. We consider a multistatic system with one transmitter and multiple synchronized…
Task-Aware Beamforming for Semantic Wireless Localization
Mohammad Mahdi Mojahedian, Alireza Pourafzal, Musa Furkan Keskin +1
Many semantic localization tasks require determining a contextually meaningful region or state rather than minimizing the error of a full Cartesian position estimate. In such setti…
Radio Imaging and Resource Allocation in Frugal Multistatic D-MIMO ISAC Systems
Sauradeep Dey, Musa Furkan Keskin, Dario Tagliaferri +2
Emerging integrated sensing and communication (ISAC) systems based on distributed MIMO (D-MIMO) enable radio imaging by exploiting spatial diversity across multiple access points (…
Dual-Orthogonality Waveforms for Integrated Communication and Imaging in Dynamic Multipath Channels
Edoardo Talignani, Francesco Linsalata, Musa Furkan Keskin +4
Dual-Orthogonality waveforms are multi-antenna signaling schemes that enforce mutual orthogonality across transmit channels and over a prescribed set of delay shifts. By relaxing s…
Exploiting Phase Noise for Sensing Privacy in ISAC Systems
Musa Furkan Keskin, Kawon Han, Henk Wymeersch +1
We investigate sensing privacy in orthogonal frequency-division multiplexing (OFDM) integrated sensing and communication (ISAC) systems under the impact of phase noise (PN) arising…
Ambient IoT Backscatter Devices as Passive Anchors for NLOS Cellular Positioning: Fundamental Limits
Hüseyin Yiğitler, Musa Furkan Keskin, Ossi Kaltiokallio +1
Ambient Internet-of-Things backscatter devices at known locations can act as low-cost passive anchors by creating geometrically anchored reflected paths in cellular networks. Unlik…
Frugal Radio SLAM: Coherent Imaging with One Subcarrier and One Snapshot in Distributed MIMO
Yu Ge, Xin Tong, Nenad Vukmirović +4
We study uplink radio simultaneous localization and mapping (SLAM) in a pre-calibrated phase-coherent distributed MIMO (D-MIMO) system at a minimal sensing-resource operating point…
Beyond Legacy OFDM: A Mobility-Adaptive Multi-Gear Framework for 6G
Mauro Marchese, Dario Tagliaferri, Henk Wymeersch +3
While Third Generation Partnership Project (3GPP) has confirmed orthogonal frequency division multiplexing (OFDM) as the baseline waveform for sixth-generation (6G), its performanc…
Near-Field Localization via Reconfigurable Antennas
Alireza Fadakar, Yuchen Zhang, Hui Chen +3
Reconfigurable antennas (RAs) utilize the electromagnetic (EM) domain to provide dynamic control over antenna radiation patterns, which offers an effective way to enhance power eff…
A Retrieval-Assisted Framework for Wireless Localization
Haoyu Huang, Guangjin Pan, Kaixuan Huang +5
Accurate and robust wireless localization is a key enabler for a wide range of mobile computing applications. Fingerprint-based localization using channel state information (CSI) h…
RIS Nearfield Position and Velocity Estimation Using a Validated Propagation Model
Thomas Zemen, Musa Furkan Keskin, Moustafa Rahal +5
We investigate reconfigurable intelligent surfaces (RISs) for the task of position and velocity estimation in non-LOS (NLOS) indoor scenarios, using a snapshot based multi-step est…
Phase-Only Positioning in Distributed MIMO Under Phase Impairments: AP Selection Using Deep Learning
Fatih Ayten, Musa Furkan Keskin, Akshay Jain +5
Carrier phase positioning (CPP) can enable cm-level accuracy in next-generation wireless systems, while recent literature shows that accuracy remains high using phase-only measurem…
Optimal Placement of Movable Antennas for Angle-of-Departure Estimation Under User Location Uncertainty
Lucía Pallarés-Rodríguez, Angelo Coluccia, Alessio Fascista +4
Movable antennas (MA) have gained significant attention in recent years to overcome the limitations of extremely large antenna arrays in terms of cost and power consumption. In thi…
Vehicular Wireless Positioning -- A Survey
Sharief Saleh, Satyam Dwivedi, Russ Whiton +9
The rapid advancement of connected and autonomous vehicles has driven a growing demand for precise and reliable positioning systems capable of operating in complex environments. Me…
6G OFDM Communications with High Mobility Transceivers and Scatterers via Angle-Domain Processing and Deep Learning
Mauro Marchese, Musa Furkan Keskin, Henk Wymeersch +1
High-mobility communications, which are crucial for next-generation wireless systems, cause the orthogonal frequency division multiplexing (OFDM) waveform to suffer from strong int…
Monostatic ISAC Without Full Buffers: Revisiting Spatial Trade-Offs Under Bursty Traffic
Mauro Marchese, Musa Furkan Keskin, Pietro Savazzi +1
This work investigates the spatial trade-offs arising from the design of the transmit beamformer in a monostatic integrated sensing and communication (ISAC) base station (BS) under…
Phase-Coherent D-MIMO ISAC: Multi-Target Estimation and Spectral Efficiency Trade-Offs
Venkatesh Tentu, Henk Wymeersch, Musa Furkan Keskin +2
We investigate distributed multiple-input multiple-output (D-MIMO) integrated sensing and communication (ISAC) systems, in which multiple phase-synchronized access points (APs) joi…
Semantic Communication for Rate-Limited Closed-Loop Distributed Communication-Sensing-Control Systems
Guangjin Pan, Ayça Özçelikkale, Christian Häger +2
The growing integration of distributed integrated sensing and communication (ISAC) with closed-loop control in intelligent networks demands efficient information transmission under…
Sparse OFDM Design for Interference and Ambiguity Mitigation in Multi-Static ISAC
Navid Amani, Priyanka Maity, Musa Furkan Keskin +1
The sixth-generation (6G) wireless networks promises the integration of radar-like sensing capabilities into communication infrastructure. In this paper, we investigate a multi-sta…
POLO: Phase-Only Localization in Uplink Distributed MIMO Systems
Sauradeep Dey, Musa Furkan Keskin, Dario Tagliaferri +3
We propose a low-complexity localization framework for uplink distributed MIMO (D-MIMO) systems, targeting the challenge of minimizing the highly spiky maximum-likelihood (ML) cost…