11 citations · 26 across the 15 of their papers we have counts for
16 papers
Resilience Characterization of AI-Native Wireless Receivers via Persistent Homology
Christo Kurisummoottil Thomas, Emilio Calvanese Strinati
AI-native wireless receivers based on deep learning exhibit remarkable performance under stationary channel conditions, yet their resilience to distributional shifts remains poorly…
Not All Symbols Are Equal: Importance-Aware Constellation Design for Semantic Communication
Albert Shaju, Christo Kurisummoottil Thomas, Mayukh Roy Chowdhury
Semantic communication systems for goal-oriented transmission must protect task-relevant information not only through source compression but also via physical layer mapping. Existi…
Hypergame Theory for Decentralized Resource Allocation in Multi-user Semantic Communications
Christo Kurisummoottil Thomas, Walid Saad
Semantic communications (SC) is an emerging communication paradigm in which wireless devices can send only relevant information from a source of data while relying on computing res…
Semantic Communication for the Internet of Sounds: Architecture, Design Principles, and Challenges
Chengsi Liang, Yao Sun, Christo Kurisummoottil Thomas +2
The Internet of Sounds (IoS) combines sound sensing, processing, and transmission techniques, enabling collaboration among diverse sound devices. To achieve perceptual quality of s…
On the Computing and Communication Tradeoff in Reasoning-Based Multi-User Semantic Communications
Nitisha Singh, Christo Kurisummoottil Thomas, Walid Saad +1
Semantic communication (SC) is recognized as a promising approach for enabling reliable communication with minimal data transfer while maintaining seamless connectivity for a group…
Artificial General Intelligence (AGI)-Native Wireless Systems: A Journey Beyond 6G
Walid Saad, Omar Hashash, Christo Kurisummoottil Thomas +4
Building future wireless systems that support services like digital twins (DTs) is challenging to achieve through advances to conventional technologies like meta-surfaces. While ar…
Reasoning with the Theory of Mind for Pragmatic Semantic Communication
Christo Kurisummoottil Thomas, Emilio Calvanese Strinati, Walid Saad
In this paper, a pragmatic semantic communication framework that enables effective goal-oriented information sharing between two-intelligent agents is proposed. In particular, sema…
Causal Reasoning: Charting a Revolutionary Course for Next-Generation AI-Native Wireless Networks
Christo Kurisummoottil Thomas, Christina Chaccour, Walid Saad +2
Despite the basic premise that next-generation wireless networks (e.g., 6G) will be artificial intelligence (AI)-native, to date, most existing efforts remain either qualitative or…
Reliable Beamforming at Terahertz Bands: Are Causal Representations the Way Forward?
Christo Kurisummoottil Thomas, Walid Saad
Future wireless services, such as the metaverse require high information rate, reliability, and low latency. Multi-user wireless systems can meet such requirements by utilizing the…
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…
Mitigating Intra-Cell Pilot Contamination in Massive MIMO: A Rate Splitting Approach
Anup Mishra, Yijie Mao, Christo Kurisummoottil Thomas +2
Massive multiple-input multiple-output (MaMIMO) has become an integral part of the fifth-generation (5G) standard, and is envisioned to be further developed in beyond 5G (B5G) netw…
Neuro-Symbolic Artificial Intelligence (AI) for Intent based Semantic Communication
Christo Kurisummoottil Thomas, Walid Saad
Intent-based networks that integrate sophisticated machine reasoning technologies will be a cornerstone of future wireless 6G systems. Intent-based communication requires the netwo…
Quantum Semantic Communications for Resource-Efficient Quantum Networking
Mahdi Chehimi, Christina Chaccour, Christo Kurisummoottil Thomas +1
Quantum communication networks (QCNs) utilize quantum mechanics for secure information transmission, but the reliance on fragile and expensive photonic quantum resources renders QC…
Practical Hybrid Beamforming for Millimeter Wave Massive MIMO Full Duplex with Limited Dynamic Range
Chandan Kumar Sheemar, Christo Kurisummoottil Thomas, Dirk Slock
Full Duplex (FD) radio has emerged as a promising solution to increase the data rates by up to a factor of two via simultaneous transmission and reception in the same frequency ban…
A Rate Splitting Strategy for Mitigating Intra-Cell Pilot Contamination in Massive MIMO
Christo Kurisummoottil Thomas, Bruno Clerckx, Luca Sanguinetti +1
The spectral efficiency (SE) of Massive MIMO (MaMIMO) systems is affected by low quality channel estimates. Rate-Splitting (RS) has recently gained some interest in multiuser multi…
Noncoherent Multi-User MIMO Communications using Covariance CSIT
Christo Thomas Kurisummoottil, Wassim Tabikh, Dirk Slock +1
The Multi-User downlink, particularly in a Multi-Cell Massive MIMO setting, requires enormous amounts of instantaneous CSIT (Channel State Information at the Transmitter(s)), iCSIT…