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- research-articleNovember 2023
Horus: Accelerating Kernel Fuzzing through Efficient Host-VM Memory Access Procedures
ACM Transactions on Software Engineering and Methodology (TOSEM), Volume 33, Issue 1Article No.: 11, Pages 1–25https://doi.org/10.1145/3611665Kernel fuzzing is an effective technique in operating system vulnerability detection. Fuzzers such as Syzkaller and Moonshine frequently pass highly structured data between fuzzer processes in guest virtual machines and manager processes in the host ...
- research-articleJanuary 2024
Porting and Enhancing a Mental Health Narrative Game for VR: Redesign Insights and New Features for the Meta Quest Platform
SVR '23: Proceedings of the 25th Symposium on Virtual and Augmented RealityPages 96–104https://doi.org/10.1145/3625008.3625024This paper delves into the intricate process of porting and enhancing a mental health narrative game for the Meta Quest 2 virtual reality (VR) platform. We chose Meta Quest 2 due to its unique combination of user accessibility, standalone capability, ...
- research-articleJanuary 2023
A review on various energy sources and harvesting techniques in WSN
International Journal of Advanced Intelligence Paradigms (IJAIP), Volume 26, Issue 2Pages 171–196https://doi.org/10.1504/ijaip.2023.135029We propose various energy sources and harvesting methods in wireless sensor network to improve the performance by selecting proper energy sources. Similarly, by implementing good harvesting methods, better routing algorithms, and battery lifetime, which ...
- research-articleMay 2021
Diolkos: improving ethernet throughput through dynamic port selection
CF '21: Proceedings of the 18th ACM International Conference on Computing FrontiersPages 83–92https://doi.org/10.1145/3457388.3458659In large networked systems, a sudden increase in traffic could slowdown the network significantly, impacting network quality for multiple users. We present Diolkos, a system that leverages smart switches to dynamically re-reroute data flows in response ...
- research-articleJanuary 2021
Reformed timeslot allocation for data intensive clustered industrial wireless sensor networks using virtual grid structure with UWB
International Journal of Advanced Intelligence Paradigms (IJAIP), Volume 19, Issue 3-4Pages 284–294https://doi.org/10.1504/ijaip.2021.116359The data intensive industrial sensor networks produce excessive communication collision and introduce significant deficits. Further, a defined, appropriate scheduling methodology for transmission is desirable for mitigating the scarcity of such networks. ...
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- research-articleOctober 2020
Performance enhancement of hybrid‐SIM for optical wireless downlink communication with aperture averaging and receiver diversity
IET Communications (CMU2), Volume 14, Issue 18Pages 3194–3202https://doi.org/10.1049/iet-com.2020.0261Error performance of hybrid subcarrier intensity modulation (hybrid‐SIM) in optical free‐space satellite downlink has been studied in this work. Bit error rate (BER) is improved by aperture averaging and spatial receiver diversity and it is found out be ...
- research-articleAugust 2020
Performance analysis of cooperative PDMA with AF relaying over Rayleigh fading channels
IET Communications (CMU2), Volume 14, Issue 13Pages 2166–2175https://doi.org/10.1049/iet-com.2019.0483This study investigates the performances of cooperative pattern division multiple access (PDMA) technology with a half‐duplex amplify‐and‐forward (AF) relaying over Rayleigh fading channels. To characterise the performances of the AF‐PDMA system, the ...
- research-articleAugust 2019
Performance analysis of mixed RF/FSO system with CCI
IET Communications (CMU2), Volume 13, Issue 14Pages 2199–2206https://doi.org/10.1049/iet-com.2018.5653In this study, the performance of the mixed radio‐frequency (RF)/free‐space optical (FSO) system with co‐channel interference (CCI) is investigated. The RF links are modelled as Rayleigh fading, whereas FSO links follow M‐distribution with pointing ...
- research-articleApril 2018
Full Disk Encryption: A Comparison on Data Management Attributes
ICISDM '18: Proceedings of the 2nd International Conference on Information System and Data MiningPages 39–43https://doi.org/10.1145/3206098.3206118It is important to secure personally identifiable and confidential information stored on portable devices such as laptops, and smartphones. Data is more appealing for thieves than the hardware itself. Encryption is the paramount protection measure to ...
- research-articleSeptember 2017
Energy harvesting discontinuous reception (DRX) mechanism in wireless powered cellular networks
IET Communications (CMU2), Volume 11, Issue 14Pages 2206–2213https://doi.org/10.1049/iet-com.2016.0841The energy harvesting paradigm enables the design of new wireless powered cellular networks (WPCNs) for the Internet‐of‐Things (IoT). In a WPCN, if the harvested energy is larger than the consumed energy, an IoT device may utilise the surplus harvested ...
- research-articleOctober 2015
Precoded generalised frequency division multiplexing system to combat inter‐carrier interference: performance analysis
IET Communications (CMU2), Volume 9, Issue 15Pages 1829–1841https://doi.org/10.1049/iet-com.2015.0081The expected operating scenarios of fifth‐generation (5G) pose a great challenge to orthogonal frequency division multiplexing which has poor out of band spectral properties, stringent synchronisation requirements and large symbol duration. Generalised ...
- research-articleJune 2014
Performance analysis of proposed local link repair schemes for ad hoc on demand distance vector
Reactive routing protocols are better options for the communication in ad hoc network. In this study, a novel approach for local link repairing of ad hoc on demand routing protocol is suggested for the performance enhancement of the basic protocol. ...
- research-articleApril 2014
Facial performance enhancement using dynamic shape space analysis
- Amit H. Bermano,
- Derek Bradley,
- Thabo Beeler,
- Fabio Zund,
- Derek Nowrouzezahrai,
- Ilya Baran,
- Olga Sorkine-Hornung,
- Hanspeter Pfister,
- Robert W. Sumner,
- Bernd Bickel,
- Markus Gross
ACM Transactions on Graphics (TOG), Volume 33, Issue 2Article No.: 13, Pages 1–12https://doi.org/10.1145/2546276The facial performance of an individual is inherently rich in subtle deformation and timing details. Although these subtleties make the performance realistic and compelling, they often elude both motion capture and hand animation. We present a technique ...
- research-articleJuly 2013
Efficient Identification of Linchpin Vertices in Dependence Clusters
ACM Transactions on Programming Languages and Systems (TOPLAS), Volume 35, Issue 2Article No.: 7, Pages 1–35https://doi.org/10.1145/2491522.2491524Several authors have found evidence of large dependence clusters in the source code of a diverse range of systems, domains, and programming languages. This raises the question of how we might efficiently locate the fragments of code that give rise to ...
- research-articleApril 2012
An adaptive file-system-oriented FTL mechanism for flash-memory storage systems
ACM Transactions on Embedded Computing Systems (TECS), Volume 11, Issue 1Article No.: 9, Pages 1–19https://doi.org/10.1145/2146417.2146426As flash memory becomes popular over various platforms, there is a strong demand regarding the performance degradation problem, due to the special characteristics of flash memory. This research proposes the design of a file-system-oriented flash ...
- articleApril 2012
Cross-layer error recovery in wireless access networks: The ARQ proxy approach
International Journal of Communication Systems (IJOCS), Volume 25, Issue 4Pages 461–477https://doi.org/10.1002/dac.1271Wireless networks are being increasingly employed to provide mobile access to network services. In most existing standards, reliable transmission on the wireless medium is achieved through the introduction of ARQ schemes at MAC layer, a strategy which ...
- research-articleMarch 2011
A Management Strategy for the Reliability and Performance Improvement of MLC-Based Flash-Memory Storage Systems
IEEE Transactions on Computers (ITCO), Volume 60, Issue 3Pages 305–320https://doi.org/10.1109/TC.2010.126Cost has been a major driving force in the development of the flash-memory technology. Because of this, serious challenges are now faced for future products on reliability and performance requirements. In this work, we propose a management strategy to ...
- ArticleJuly 2010
Haptic playback: better trajectory tracking during training does not mean more effective motor skill transfer
In this paper the performance of a haptic playback system with two different control algorithms was experimentally investigated. Accuracy of tracking the reference position and force trajectories of each system during training was examined, and their ...
- research-articleApril 2010
A replication structure for efficient and fault-tolerant parallel and distributed simulations
SpringSim '10: Proceedings of the 2010 Spring Simulation MulticonferenceArticle No.: 151, Pages 1–10https://doi.org/10.1145/1878537.1878695Large scale parallel and distributed simulations (federations) are developed to study complex systems. Their executions are usually computationally intensive, involving a large number of simulation components (federates) which may be developed by ...
- articleMarch 2010
Routing protocol extension for resilient GMPLS multi-domain networks
This paper evaluates the performance of multi-domain networks under the Generalized Multi-Protocol Label Switching control framework in case of a single inter-domain link failure. We propose and evaluate a routing protocol extension for the Border ...