18 citations · 22 across the 17 of their papers we have counts for
17 papers
Enabling Programmable Inference and ISAC at the 6GR Edge with dApps
Michele Polese, Rajeev Gangula, Tommaso Melodia
The convergence of communication, sensing, and Artificial Intelligence (AI) in the Radio Access Network (RAN) offers compelling economic advantages through shared spectrum and infr…
Bistatic Sensing in 5G NR
Rajeev Gangula, Sakthivel Velumani, Tommaso Melodia
In this work, we propose and evaluate the performance of a 5th generation (5G) New Radio (NR) bistatic Integrated Sensing and Communication (ISaC) system. Unlike the full-duplex mo…
dApps: Enabling Real-Time AI-Based Open RAN Control
Andrea Lacava, Leonardo Bonati, Niloofar Mohamadi +7
Open Radio Access Networks (RANs) leverage disaggregated and programmable RAN functions and open interfaces to enable closed-loop, data-driven radio resource management. This is pe…
ORANSlice: An Open-Source 5G Network Slicing Platform for O-RAN
Hai Cheng, Salvatore D'Oro, Rajeev Gangula +7
Network slicing allows Telecom Operators (TOs) to support service provisioning with diverse Service Level Agreements (SLAs). The combination of network slicing and Open Radio Acces…
Round Trip Time Estimation Utilizing Cyclic Shift of Uplink Reference Signal
Rajeev Gangula, Tommaso Melodia, Rakesh Mundlamuri +1
In the context of fifth-generation new radio (5G NR) technology, it is not possible to directly obtain an absolute uplink (UL) channel impulse response (CIR) at the base station (g…
Listen-While-Talking: Toward dApp-based Real-Time Spectrum Sharing in O-RAN
Rajeev Gangula, Andrea Lacava, Michele Polese +5
This demo paper presents a dApp-based real-time spectrum sharing scenario where a 5th generation (5G) base station implementing the NR stack adapts its transmission and reception s…
5G NR Positioning with OpenAirInterface: Tools and Methodologies
Rakesh Mundlamuri, Rajeev Gangula, Florian Kaltenberger +1
The fifth-generation new radio (5G NR) technology is expected to provide precise and reliable positioning capabilities along with high data rates. The Third Generation Partnership…
Novel Round Trip Time Estimation in 5G NR
Rakesh Mundlamuri, Rajeev Gangula, Florian Kaltenberger +1
The fifth generation new radio (5G NR) technology is expected to fulfill reliable and accurate positioning requirements of industry use cases, such as autonomous robots, connected…
Colosseum: The Open RAN Digital Twin
Michele Polese, Leonardo Bonati, Salvatore D'Oro +11
Recent years have witnessed the Open Radio Access Network (RAN) paradigm transforming the fundamental ways cellular systems are deployed, managed, and optimized. This shift is led…
UAV Trajectory Optimization and Tracking for User Localization in Wireless Networks
Omid Esrafilian, Rajeev Gangula, David Gesbert
In this paper, we investigate the problem of UAV-aided user localization in wireless networks. Unlike the existing works, we do not assume perfect knowledge of the UAV location, he…
Integrated Access and Backhaul in 5G with Aerial Distributed Unit using OpenAirInterface
Rakesh Mundlamuri, Omid Esrafilian, Rajeev Gangula +5
In this work, we propose an UAV-aided Integrated Access and Backhaul (IAB) system design offering 5G connectivity to ground users. UAV is integrated with a distributed unit (DU) ac…
Sensing aided Channel Estimation in Wideband Millimeter-Wave MIMO Systems
Rakesh Mundlamuri, Rajeev Gangula, Christo Kurisummoottil Thomas +2
In this work, the uplink channel estimation problem is considered for a millimeter wave (mmWave) multi-input multi-output (MIMO) system. It is well known that pilot overhead and co…
UAV-aided RF Mapping for Sensing and Connectivity in Wireless Networks
David Gesbert, Omid Esrafilian, Junting Chen +2
The use of unmanned aerial vehicles (UAV) as flying radio access network (RAN) nodes offers a promising complement to traditional fixed terrestrial deployments. More recently yet s…
UAV-aided Wireless Node Localization Using Hybrid Radio Channel Models
Omid Esrafilian, Rajeev Gangula, David Gesbert
This paper considers the problem of ground user localization based on received signal strength (RSS) measurements obtained by an unmanned aerial vehicle (UAV). We treat UAV-user li…
3D-Map Assisted UAV Trajectory Design Under Cellular Connectivity Constraints
Omid Esrafilian, Rajeev Gangula, David Gesbert
The enabling of safe cellular controlled unmanned aerial vehicle (UAV) beyond visual line of sight is expected to open important future opportunities in the area of transportation,…
Learning to Communicate in UAV-aided Wireless Networks: Map-based Approaches
Omid Esrafilian, Rajeev Gangula, David Gesbert
We consider a scenario where an UAV-mounted flying base station is providing data communication services to a number of radio nodes spread over the ground. We focus on the problem…
Optimization of Energy Harvesting MISO Communication System with Feedback
Rajeev Gangula, David Gesbert, Deniz Gündüz
Optimization of a point-to-point (p2p) multipleinput single-output (MISO) communication system is considered when both the transmitter (TX) and the receiver (RX) have energy harves…