coexistence
Beyond Connectivity: An Open Architecture for AI-RAN Convergence in 6G
Polese, Michele, Mohamadi, Niloofar, D'Oro, Salvatore, Bonati, Leonardo, Melodia, Tommaso
Abstract--Data-intensive Artificial Intelligence (AI) applications at the network edge demand a fundamental shift in Radio Access Network (RAN) design, from merely consuming AI for network optimization, to actively enabling distributed AI workloads. This presents a significant opportunity for network operators to monetize AI while leveraging existing infrastructure. T o realize this vision, this article presents a novel converged O-RAN and AI-RAN architecture for unified orchestration and management of telecommunications and AI workloads on shared infrastructure. The proposed architecture extends the Open RAN principles of modularity, disaggregation, and cloud-nativeness to support heterogeneous AI deployments. We introduce two key architectural innovations: (i) the AI-RAN Orchestrator, which extends the O-RAN Service Management and Orchestration (SMO) to enable integrated resource and allocation across RAN and AI workloads; and (ii) AI-RAN sites that provide distributed edge AI platforms with real-time processing capabilities. The proposed architecture enables flexible orchestration, meeting requirements for managing heterogeneous workloads at different time scales while maintaining open, standardized interfaces and multi-vendor interoperability.This paper has been submitted to IEEE for publication. M. Polese, L. Bonati, and T. Melodia are with the Institute for the Wireless Internet of Things, Northeastern University, Boston, MA, USA. This article is based upon work partially supported by the NTIA PWSCIF under A ward No. 25-60-IF054, the U.S. NSF under award CNS-2112471, and by OUSD(R&E) through Army Research Laboratory Cooperative Agreement Number W911NF-24-2-0065.
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Agentic DDQN-Based Scheduling for Licensed and Unlicensed Band Allocation in Sidelink Networks
Chou, Po-Heng, Fu, Pin-Qi, Saad, Walid, Wang, Li-Chun
Abstract--In this paper, we present an agentic double deep Q-network (DDQN) scheduler for licensed/unlicensed band a l-location in New Radio (NR) sidelink (SL) networks. Beyond conventional reward-seeking reinforcement learning (RL), the agent perceives and reasons over a multi-dimensional conte xt that jointly captures queueing delay, link quality, coexistenc e intensity, and switching stability. A capacity-aware, quality of serv ice (QoS)- constrained reward aligns the agent with goal-oriented sch eduling rather than static thresholding. Under constrained bandwi dth, the proposed design reduces blocking by up to 87.5% versus thres hold policies while preserving throughput, highlighting the va lue of context-driven decisions in coexistence-limited NR SL net works. The proposed scheduler is an embodied agent (E-agent) tailo red for task-specific, resource-efficient operation at the netw ork edge.
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- Information Technology > Artificial Intelligence > Machine Learning > Reinforcement Learning (0.50)
A Framework for Processing Textual Descriptions of Business Processes using a Constrained Language -- Technical Report
Burattin, Andrea, Grama, Antonio, Sima, Ana-Maria, Rivkin, Andrey, Weber, Barbara
This report explores how (potentially constrained) natural language can be used to enable non-experts to develop process models by simply describing scenarios in plain text. To this end, a framework, called BeePath, is proposed. It allows users to write process descriptions in a constrained pattern-based language, which can then be translated into formal models such as Petri nets and DECLARE. The framework also leverages large language models (LLMs) to help convert unstructured descriptions into this constrained language.
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Societal and technological progress as sewing an ever-growing, ever-changing, patchy, and polychrome quilt
Leibo, Joel Z., Vezhnevets, Alexander Sasha, Cunningham, William A., Krier, Sébastien, Diaz, Manfred, Osindero, Simon
Artificial Intelligence (AI) systems are increasingly placed in positions where their decisions have real consequences, e.g., moderating online spaces, conducting research, and advising on policy. Ensuring they operate in a safe and ethically acceptable fashion is thus critical. However, most solutions have been a form of one-size-fits-all "alignment". We are worried that such systems, which overlook enduring moral diversity, will spark resistance, erode trust, and destabilize our institutions. This paper traces the underlying problem to an often-unstated Axiom of Rational Convergence: the idea that under ideal conditions, rational agents will converge in the limit of conversation on a single ethics. Treating that premise as both optional and doubtful, we propose what we call the appropriateness framework: an alternative approach grounded in conflict theory, cultural evolution, multi-agent systems, and institutional economics. The appropriateness framework treats persistent disagreement as the normal case and designs for it by applying four principles: (1) contextual grounding, (2) community customization, (3) continual adaptation, and (4) polycentric governance. We argue here that adopting these design principles is a good way to shift the main alignment metaphor from moral unification to a more productive metaphor of conflict management, and that taking this step is both desirable and urgent.
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Evolutionary Prediction Games
When users decide whether to use a system based on the quality of predictions they receive, learning has the capacity to shape the population of users it serves - for better or worse. This work aims to study the long-term implications of this process through the lens of evolutionary game theory. We introduce and study evolutionary prediction games, designed to capture the role of learning as a driver of natural selection between groups of users, and hence a determinant of evolutionary outcomes. Our main theoretical results show that: (i) in settings with unlimited data and compute, learning tends to reinforce the survival of the fittest, and (ii) in more realistic settings, opportunities for coexistence emerge. We analyze these opportunities in terms of their stability and feasibility, present several mechanisms that can sustain their existence, and empirically demonstrate our findings using real and synthetic data.
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Cross-Technology Interference: Detection, Avoidance, and Coexistence Mechanisms in the ISM Bands
Kidane, Zegeye Mekasha, Dargie, Waltenegus
A large number of heterogeneous wireless networks share the unlicensed spectrum designated as the ISM (Industry, Scientific, and Medicine) radio band. These networks do not adhere to a common medium access rule and differ in their specifications considerably. As a result, when concurrently active, they cause cross-technology interference (CTI) on each other. The effect of this interference is not reciprocal, the networks using high transmission power and advanced transmission schemes often causing disproportionate disruptions to those with modest communication and computation resources. CTI corrupts packets, incurs packet retransmission cost, introduces end-to-end latency and jitter, and make networks unpredictable. The purpose of this paper is to closely examine its impact on low-power networks which are based on the IEEE 802.15.4 standard. It discusses latest developments on CTI detection, coexistence and avoidance mechanisms as well on messaging schemes which attempt to enable heterogeneous networks directly communicate with one another to coordinate packet transmission and channel assignment.
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Towards Model Discovery Using Domain Decomposition and PINNs
Saha, Tirtho S., Heinlein, Alexander, Reisch, Cordula
We enhance machine learning algorithms for learning model parameters in complex systems represented by ordinary differential equations (ODEs) with domain decomposition methods. The study evaluates the performance of two approaches, namely (vanilla) Physics-Informed Neural Networks (PINNs) and Finite Basis Physics-Informed Neural Networks (FBPINNs), in learning the dynamics of test models with a quasi-stationary longtime behavior. We test the approaches for data sets in different dynamical regions and with varying noise level. As results, we find a better performance for the FBPINN approach compared to the vanilla PINN approach, even in cases with data from only a quasi-stationary time domain with few dynamics.
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The Best Animated Movie of the Year Is Here
From the very first scene of The Wild Robot, the new animated movie from director Chris Sanders (How to Train Your Dragon), adapted from the first in a trilogy of children's novels by Peter Brown, the viewer is plunged along with the protagonist into a new and alien world. A robot washes up on the shore of a lushly forested island, surrounded by the flotsam of some sort of wrecked vehicle--a plane? a spacecraft?--and immediately begins scanning the area for someone she can help. Rozzum Unit 7134, voiced by Lupita Nyong'o and soon to be known as "Roz," has been designed to, as she puts it, offer "integrated, multifaceted task accomplishment" to whatever human requests it of her. The problem is, the island where she's washed up has no human inhabitants, and the animals witnessing the arrival of this hulking metal biped regard Roz as nothing but a menacing predator to be either fought or fled. A witty time-lapse montage shows the robot powering down for a bit so her software can learn to decode the animal sounds around her, enabling her to communicate with all the island's denizens.
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Supertrust: Evolution-based superalignment strategy for safe coexistence
It's widely expected that humanity will someday create AI systems vastly more intelligent than we are, leading to the unsolved alignment problem of "how to control superintelligence." However, this definition is not only self-contradictory but likely unsolvable. Nevertheless, the default strategy for solving it involves nurturing (post-training) constraints and moral values, while unfortunately building foundational nature (pre-training) on documented intentions of permanent control. In this paper, the default approach is reasoned to predictably embed natural distrust and test results are presented that show unmistakable evidence of this dangerous misalignment. If superintelligence can't instinctively trust humanity, then we can't fully trust it to reliably follow safety controls it can likely bypass. Therefore, a ten-point rationale is presented that redefines the alignment problem as "how to establish protective mutual trust between superintelligence and humanity" and then outlines a new strategy to solve it by aligning through instinctive nature rather than nurture. The resulting strategic requirements are identified as building foundational nature by exemplifying familial parent-child trust, human intelligence as the evolutionary mother of superintelligence, moral judgment abilities, and temporary safety constraints. Adopting and implementing this proposed Supertrust alignment strategy will lead to protective coexistence and ensure the safest future for humanity.
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Learning thresholds lead to stable language coexistence
Tamm, Mikhail V., Heinsalu, Els, Scialla, Stefano, Patriarca, Marco
We introduce a language competition model that incorporates the effects of memory and learning on the language shift dynamics, using the Abrams-Strogatz model as a starting point. On a coarse grained time scale, the effects of memory and learning can be expressed as thresholds on the speakers fractions. In its simplest form, the resulting model is exactly solvable. Besides the consensus on one of the two languages, the model describes additional equilibrium states that are not present in the Abrams-Strogatz model: a stable coexistence of the two languages, if both thresholds are low enough, so that the language shift processes in the two opposite directions compensate each other, and a frozen state coinciding with the initial state, when both thresholds are too high for any language shift to take place. We show numerically that these results are preserved for threshold functions of a more general shape.
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