BT Research

Low-loss spatial phase modulation of mm-waves via optically-tunable coupling

G. Neville White, I. R. Hooper, H. Penketh, F. Burton et autres

Abstract Efficient phase modulation at mm-wave and THz frequencies is an ongoing challenge. Here, we introduce a method for high-resolution dynamic spatial phase modulation of mm-waves, via selective photo-activation of a silicon-based resonant metasurface. In contrast to conventional methods of regulating the …

gb (code pays fourni par la source)

Maintenance schedules by conditional inference trees

Shixuan Wang, Aris A. Syntetos, Simme Douwe P. Flapper, Carla Di Cairano‐Gilfedder et autres

Maintenance represents a large part of the total operational costs of vehicle fleets. We perform reliability analysis based on a dataset of maintenance records from the fleet of light commercial vehicles used by BT Fleet Solutions and their customers (Post Office, National …

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Fronthaul Resiliency in Latency Constrained C-RAN

Dave Townend, Anvar Tukmanov, Stuart D Walker

This paper presents mobile network deploymentanalysis aimed at understanding the feasibility of resilient fronthaul in a centralized radio access network (C-RAN). A fiber and network infrastructure topology model is built using representative data sets to assess latency characteristics for cell sites with …

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A Framework for Managing the Models of Engineered Quantum Systems

Siyuan Ji, Hayato Ishida, Amal Elsokary, Stephen Powley et autres

Quantum technologies are maturing into systems that classical engineering must build, verify and maintain. The model-driven community has begun to respond with quantum-aware pipelines and languages, and the domain models these produce must be synchronised with the heterogeneous models created and owned …

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Uncore Frequency De-Tuning for Power Efficient LLMs at Telco Edge

Paul Veitch, Arsham Farshad, Adam Morsman

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DB² Device Behaviour Fingerprinting Dataset (Engineered Rolling-Window Features, v1)

muthupavithran selvam, Amit Singh, Zhan Cui, Muttukrishnan Rajarajan

DB² Device Behaviour Fingerprinting Dataset Engineered Rolling-Window Features (v1.0) Overview This dataset provides engineered rolling-window behavioural features used for device fingerprinting and continuous device authentication research in networked and edge environments. Measurements were collected from 9 Raspberry Pi devices across 4 CPU …

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DB² Device Behaviour Fingerprinting Dataset (Engineered Rolling-Window Features, v1)

muthupavithran selvam, Amit Singh, Zhan Cui, Muttukrishnan Rajarajan

DB² Device Behaviour Fingerprinting Dataset Engineered Rolling-Window Features (v1.0) Overview This dataset provides engineered rolling-window behavioural features used for device fingerprinting and continuous device authentication research in networked and edge environments. Measurements were collected from 9 Raspberry Pi devices across 4 CPU …

gb (code pays fourni par la source)

Fair and Efficient Scheduling for Sensor Networks via Online Whittle Index Policy

Sokipriala Jonah, Seong Ki Yoo, Saurav Staphit, Anita Khadka

Wake-Up Radio (WUR) enables resource-constrained, battery-powered sensor nodes to remain in a low-power deep sleep state while continuously listening for a Wake-Up Signal (WUS). Sensor nodes only wake and transmit data after receiving the WUS, significantly reducing energy consumption. However, polling nodes …

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Exploring New Risk Factors and Preventive Strategies for Premature Rupture of Fetal Membranes: A Systematic Review of Current Prevalence of Traditional, Lifestyle, Nutritional, Physiological and Haematological Factors

Jacques Forwah Ndeh, Ofonime Essien, Edung Emen Samuel, Esther N. Okpako et autres

International audience

Nigéria, gb, si, Cameroun (code pays fourni par la source)

Faculty-Driven Enhancements for Library Services in Engineering Education

Shivakumaraswmay K.N., Harish H.T., Muthuraj T. N.

Faculty-driven enhancements for library services in engineering education, highlighting key insights into user satisfaction and challenges. To investigate preferred mode of knowing about new library collections, opinion on library services and collections, use of Library Consortium e-resources, satisfaction, Benefits and challenges. The …

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Efficient LLM Workload Hosting at the Telco Edge

Paul Veitch, Arsham Farshad, Adam Morsman

Network operators are gradually evolving “telco cloud” infrastructure to deeper edge locations to service a range of network-oriented workloads. To maximise the return-of-investment of such edge compute, additional workload and application types can be considered to run on such infrastructure. Large Language …

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PP-IDE Behavioural Device Fingerprinting Dataset for Privacy-Preserving Identity Establishment

Muthupavithran Selvam, shuo Wang, Liu Rui, Safwana Haque et autres

This dataset provides a processed behavioural device-fingerprinting representation designed to support research on privacy-preserving identity establishment and continuous device authentication. The dataset is derived from controlled execution-response measurements collected from 11 Raspberry Pi devices operating under fixed experimental conditions. Measurements originate from …

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