Browsing by Author "Abadal Cavallé, Sergi"
Now showing items 1-20 of 121
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A general, fault tolerant, adaptive, deadlock-free routing protocol for network-on-chip
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Open AccessThe paper presents a topology-agnostic greedy protocol for network-on-chip routing. The proposed routing algorithm can tolerate any number of permanent faults, and is proven to be deadlock-free. We introduce a specialized ... -
A graphene based plasmonic antenna design for communication in the THz regime
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference lecture
Restricted access - publisher's policyWe show the first THz emission of a graphene based plasmonic antenna structure. Furthermore we present the minimum material requirements for an operational graphene antenna in terms of chemical potential µc and relaxation time t. -
A MAC protocol for reliable broadcast communications in wireless network-on-chip
(Association for Computing Machinery (ACM), 2016)
Conference report
Restricted access - publisher's policyThe Wireless Network-on-Chip (WNoC) paradigm holds considerable promise for the implementation of fast and efficient on-chip networks in manycore chips. Among other advantages, wireless communications provide natural ... -
A vertical methodology for the design space exploration of graphene-enabled wireless communications
(Association for Computing Machinery (ACM), 2015)
Conference report
Restricted access - publisher's policyGraphene-based antennas (or shortly named, graphennas) are envisaged to be the cornerstone of novel wireless communication systems by virtue of their reduced size, in the micrometer range, and an expected radiation frequency ... -
ABSense: sensing electromagnetic waves on metasurfaces via ambient compilation of full absorption
(Association for Computing Machinery (ACM), 2019)
Conference report
Open AccessMetasurfaces (MS) constitute effective media for manipulating and transforming impinging EM waves. Related studies have explored a series of impactful MS capabilities and applications in areas such as wireless communications, ... -
Analysis of a plasmonic graphene antenna for microelectronic applications
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyGraphene offers a large potential to downscale antennas to the micrometer scale, due to its special dispersion relation and its ability to support plasmons in the THz frequency range. For an adequate performance of the ... -
Architecting a secure wireless network-on-chip
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyWith increasing integration in SoCs, the Network-on-Chip (NoC) connecting cores and accelerators is of paramount importance to provide low-latency and high-throughput communication. Due to limits to scaling of electrical ... -
Architecting more than Moore: wireless plasticity for massive heterogeneous computer architectures (WiPLASH)
(Association for Computing Machinery (ACM), 2021)
Conference report
Open AccessThis paper presents the research directions pursued by the WiPLASH European project, pioneering on-chip wireless communications as a disruptive enabler towards next-generation computing systems for artificial intelligence ... -
Area and laser power scalability analysis in photonic networks-on-chip
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference lecture
Restricted access - publisher's policyIn the last decade, the field of microprocessor architecture has seen the rise of multicore processors, which consist of the interconnection of a set of independent processing units or cores in the same chip. As the number ... -
Automata Modeling of Quorum Sensing for Nanocommunication Networks
(Universitat Politècnica de Catalunya, 2010-07-06)
Master thesis (pre-Bologna period)
Open AccessNanotechnology is enabling the development of devices in a scale ranging one to hundreds of nanometers. Communication between these devices underlying in the nanoscale greatly expands the possible applications, increasing ... -
Autonomous reconfigurable intelligent surfaces through wireless energy harvesting
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessIn this paper, we examine the potential for a reconfigurable intelligent surface (RIS) to be powered by energy harvested from information signals. This feature might be key to reap the benefits of RIS technology's lower ... -
Broadcast-enabled massive multicore architectures: a wireless RF approach
(2015-09)
Article
Open AccessBroadcast traditionally has been regarded as a prohibitive communication transaction in multiprocessor environments. Nowadays, such a constraint largely drives the design of architectures and algorithms all-pervasive in ... -
Broadcast-oriented wireless network-on-chip : fundamentals and feasibility
(Universitat Politècnica de Catalunya, 2016-07-15)
Doctoral thesis
Open AccessRecent years have seen the emergence and ubiquitous adoption of Chip Multiprocessors (CMPs), which rely on the coordinated operation of multiple execution units or cores. Successive CMP generations integrate a larger number ... -
Channel characterization for chip-scale wireless communications within computing packages
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Open AccessWireless Network-on-Chip (WNoC) appears as a promising alternative to conventional interconnect fabrics for chip-scale communications. WNoC takes advantage of an overlaid network composed by a set of millimeter-wave antennas ... -
Characterization and modeling of multicast communication in cache-coherent manycore processors
(2016-01-21)
Article
Open AccessThe scalability of Network-on-Chip (NoC) designs has become a rising concern as we enter the manycore era. Multicast support represents a particular yet relevant case within this context, mainly due to the poor performance ... -
Characterizing the communication requirements of GNN accelerators: A model-based approach
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessRelational data present in real world graph representations demands for tools capable to study it accurately. In this regard Graph Neural Network (GNN) is a powerful tool, wherein various models for it have also been ... -
Characterizing the spatio-temporal qubit traffic of a quantum intranet aiming at modular quantum computer architectures
(Association for Computing Machinery (ACM), 2022)
Conference report
Open AccessQuantum many-core processors are envisioned as the ultimate solution for the scalability of quantum computers. Based upon Noisy Intermediate-Scale Quantum (NISQ) chips interconnected in a sort of quantum intranet, they ... -
Collective communication patterns using time-reversal terahertz links at the chip scale
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessWireless communications in the terahertz band have been recently proposed as complement to conventional wired interconnects within computing packages. Such environments are typically highly reverberant, hence showing long ... -
Computing and communications for the software-defined metamaterial paradigm: a context analysis
(Institute of Electrical and Electronics Engineers (IEEE), 2017-01-01)
Article
Open AccessMetamaterials are artificial structures that have recently enabled the realization of novel electromagnetic components with engineered and even unnatural functionalities. Existing metamaterials are specifically designed ... -
Computing graph neural networks: A survey from algorithms to accelerators
(Association for Computing Machinery (ACM), 2022-12-01)
Article
Open AccessGraph Neural Networks (GNNs) have exploded onto the machine learning scene in recent years owing to their capability to model and learn from graph-structured data. Such an ability has strong implications in a wide variety ...
