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Related papers: Towards Goal-Oriented Semantic Communications: New…

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Evaluating the quality of multi-turn chatbot interactions remains challenging, as most existing methods assess interactions at the turn level without addressing whether a user's overarching goal was fulfilled. A ``goal'' here refers to an…

Artificial Intelligence · Computer Science 2025-10-07 Deepak Babu Piskala , Sharlene Chen , Udita Patel , Parul Kalra , Rafael Castrillo

Popular methods to quantify transmitted data quality are the Age of Information (AoI), the Query Age of Information (QAoI), and the Age of Incorrect Information (AoII). We consider these metrics in a point-to-point wireless communication…

Information Theory · Computer Science 2025-03-18 Wanja de Sombre , Andrea Ortiz , Frank Aurzada , Anja Klein

With the advancement of Artificial Intelligence (AI) technology, next-generation wireless communication network is facing unprecedented challenge. Semantic communication has become a novel solution to address such challenges, with enhancing…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Zihe Zhao , Chunyue Wang

Goal-oriented communication has become one of the focal concepts in sixth-generation communication systems owing to its potential to provide intelligent, immersive, and real-time mobile services. The emerging paradigms of goal-oriented…

Information Theory · Computer Science 2024-10-15 Lintao Li , Anders E. Kalør , Petar Popovski , Wei Chen

Age of Information (AoI) is a key metric used for evaluating data freshness in communication networks, particularly in systems requiring real-time updates. In positioning applications, maintaining low AoI is critical for ensuring timely and…

Signal Processing · Electrical Eng. & Systems 2026-03-30 Wasif J. Hussain , Don-Roberts Emenonye , R. Michael Buehrer , Harpreet S. Dhillon

Semantic communication aims to transmit meaningful and effective information, rather than focusing on individual symbols or bits. This results in benefits like reduced latency, bandwidth usage, and higher throughput compared with…

Machine Learning · Computer Science 2024-02-20 Shubhabrata Mukherjee , Cory Beard , Sejun Song

This paper presents a novel framework for goal-oriented semantic communications leveraging recursive early exit models. The proposed approach is built on two key components. First, we introduce an innovative early exit strategy that…

Machine Learning · Computer Science 2024-12-30 Jary Pomponi , Mattia Merluzzi , Alessio Devoto , Mateus Pontes Mota , Paolo Di Lorenzo , Simone Scardapane

In this paper, we introduce a new performance metric in the framework of status updates that we will refer to as the Age of Incorrect Information (AoII). This new metric deals with the shortcomings of both the Age of Information (AoI) and…

Information Theory · Computer Science 2020-07-10 Ali Maatouk , Saad Kriouile , Mohamad Assaad , Anthony Ephremides

As one of the pivotal enablers for 6G, satellite-terrestrial integrated networks have emerged as a solution to provide extensive connectivity and comprehensive 3D coverage across the spatial-aerial-terrestrial domains to cater to the…

Systems and Control · Electrical Eng. & Systems 2024-06-11 Jingqing Wang , Wenchi Cheng , H. Vincent Poor

Semantic communication has emerged as a promising paradigm for enabling goal-oriented networking. However, most existing semantic communication solutions are tailored to one-shot tasks and optimize instantaneous performance. Hence, they…

Machine Learning · Computer Science 2026-05-19 Lingyi Wang , Tingyu Shui , Walid Saad , Pascal Adjakple

This paper studies semantics-aware remote estimation of Markov sources. We leverage two complementary information attributes: the urgency of lasting impact, which quantifies the significance of consecutive estimation error at the…

Information Theory · Computer Science 2026-03-31 Jiping Luo , Nikolaos Pappas

Large Language Model (LLM) agents deployed for real-world tasks face a fundamental dilemma: user requests are underspecified, yet agents must decide whether to act on incomplete information or interrupt users for clarification. Existing…

Computation and Language · Computer Science 2026-01-13 Yijiang River Dong , Tiancheng Hu , Zheng Hui , Caiqi Zhang , Ivan Vulić , Andreea Bobu , Nigel Collier

Recent research efforts on Semantic Communication (SemCom) have mostly considered accuracy as a main problem for optimizing goal-oriented communication systems. However, these approaches introduce a paradox: the accuracy of Artificial…

Machine Learning · Computer Science 2025-05-27 Minh-Duong Nguyen , Quang-Vinh Do , Zhaohui Yang , Quoc-Viet Pham , Won-Joo Hwang

A queueing system handling a sequence of message arrivals is considered where each message obsoletes all previous messages. The objective is to assess the freshness of the latest message/information that has been successfully transmitted,…

Performance · Computer Science 2018-10-12 George Kesidis , Takis Konstantopoulos , Michael Zazanis

Semantic communication (SemCom) is expected to be a core paradigm in future communication networks, yielding significant benefits in terms of spectrum resource saving and information interaction efficiency. However, the existing SemCom…

Networking and Internet Architecture · Computer Science 2024-10-29 Le Xia , Yao Sun , Chengsi Liang , Lei Zhang , Muhammad Ali Imran , Dusit Niyato

The age of information (AoI) has been studied actively in recent years as a performance measure for systems that require real-time performance, such as remote monitoring systems via communication networks. The theoretical analysis of the…

Performance · Computer Science 2025-05-20 Atsushi Inoie , Yoshiaki Inoue

The research in the sixth generation of communication networks needs to tackle new challenges in order to meet the requirements of emerging applications in terms of high data rate, low latency, high reliability, and massive connectivity. To…

Information Theory · Computer Science 2023-02-09 Marwa Chafii , Lina Bariah , Sami Muhaidat , Merouane Debbah

Age-of-Information (AoI) is a performance metric for scheduling systems that measures the freshness of the data available at the intended destination. AoI is formally defined as the time elapsed since the destination received the recent…

Systems and Control · Electrical Eng. & Systems 2021-01-20 Archiki Prasad , Vishal Jain , Sharayu Moharir

In cyber-physical systems, as in 5G and beyond, multiple physical processes require timely online monitoring at a remote device. There, the received information is used to estimate current and future process values. When transmitting the…

Information Theory · Computer Science 2020-05-12 Stefan Roth , Ahmed Arafa , H. Vincent Poor , Aydin Sezgin

Age-of-information (AoI) is a newly proposed performance metric of information freshness. It differs from the traditional delay metric, because it is destination centric and measures the time that elapsed since the last received fresh…

Networking and Internet Architecture · Computer Science 2019-01-15 Rajat Talak , Sertac Karaman , Eytan Modiano