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- short-paperOctober 2023
Identification of RF Interference in Astronomical Observations Using Weakly Supervised Machine Learning Classifiers
MSWiM '23: Proceedings of the Int'l ACM Conference on Modeling Analysis and Simulation of Wireless and Mobile SystemsPages 291–295https://doi.org/10.1145/3616388.3617545Radio frequency interference (RFI) is a major concern for passive radioastronomical observations. There is a great interest within the wireless and radioastronomy communities to identify in real time man-made RFI in the vicinity of a telescope. This ...
- research-articleAugust 2019
From Real to Complex: Enhancing Radio-based Activity Recognition Using Complex-Valued CSI
ACM Transactions on Sensor Networks (TOSN), Volume 15, Issue 3Article No.: 35, Pages 1–32https://doi.org/10.1145/3338026Activity recognition is an important component of many pervasive computing applications. Radio-based activity recognition has the advantage that it does not have the privacy concern compared with camera-based solutions, and subjects do not have to carry ...
- ArticleOctober 2014
Comm-through-CREW Using Broadband Signal Processing ECCM
MILCOM '14: Proceedings of the 2014 IEEE Military Communications ConferencePages 801–806https://doi.org/10.1109/MILCOM.2014.139This paper describes recent advances in broadband radio-frequency interference (RFI) reduction and anti-jam (AJ) signal processing. The primary area of investigation for this technology is in frequency-hopped (FH) communications, such as PRC-117, in ...
- articleJune 2013
An efficient and fair MAC protocol robust to reactive interference
IEEE/ACM Transactions on Networking (TON), Volume 21, Issue 3Pages 760–771https://doi.org/10.1109/TNET.2012.2210241Interference constitutes a major challenge to availability for communication networks operating over a shared medium. This paper proposes the medium access (MAC) protocol ANTIJAM, which achieves a high and fair throughput even in harsh environments. Our ...
- research-articleJanuary 2009
Constrained adaptive echo cancellation for discrete multitone systems
IEEE Transactions on Signal Processing (TSP), Volume 57, Issue 1Pages 302–312https://doi.org/10.1109/TSP.2008.2006584In communication systems where full-duplex transmission is required, echo cancellers are deployed to cancel the interference of the transmitted signal at the collocated receiver. For systems using discrete multitone (DMT) modulation, echo cancel lation ...