Modern WLAN fingerprinting indoor positioning methods and deployment challenges A Khalajmehrabadi, N Gatsis, D Akopian IEEE Communications Surveys & Tutorials 19 (3), 1974-2002, 2017 | 384 | 2017 |
Fast FFT based GPS satellite acquisition methods D Akopian IEE Proceedings-Radar, Sonar and Navigation 152 (4), 277-286, 2005 | 352 | 2005 |
Physical activity recognition by smartphones, a survey J Morales, D Akopian Biocybernetics and Biomedical Engineering 37 (3), 388-400, 2017 | 129 | 2017 |
Weighted dilution of precision as quality measure in satellite positioning H Sairo, D Akopian, J Takala IEE Proceedings-Radar, Sonar and Navigation 150 (6), 430-436, 2003 | 113 | 2003 |
A wavelet-denoising approach using polynomial threshold operators CB Smith, S Agaian, D Akopian IEEE Signal Processing Letters 15, 906-909, 2008 | 80 | 2008 |
A joint indoor WLAN localization and outlier detection scheme using LASSO and elastic-net optimization techniques A Khalajmehrabadi, N Gatsis, DJ Pack, D Akopian IEEE Transactions on Mobile Computing 16 (8), 2079-2092, 2016 | 78 | 2016 |
A GPS spoofing detection and classification correlator-based technique using the LASSO E Schmidt, N Gatsis, D Akopian IEEE Transactions on Aerospace and Electronic Systems 56 (6), 4224-4237, 2020 | 58 | 2020 |
Software-defined radio GNSS instrumentation for spoofing mitigation: A review and a case study E Schmidt, Z Ruble, D Akopian, DJ Pack IEEE Transactions on Instrumentation and Measurement 68 (8), 2768-2784, 2018 | 57 | 2018 |
Real-time rejection and mitigation of time synchronization attacks on the global positioning system A Khalajmehrabadi, N Gatsis, D Akopian, AF Taha IEEE Transactions on Industrial Electronics 65 (8), 6425-6435, 2018 | 53 | 2018 |
Structured group sparsity: A novel indoor WLAN localization, outlier detection, and radio map interpolation scheme A Khalajmehrabadi, N Gatsis, D Akopian IEEE Transactions on Vehicular Technology 66 (7), 6498-6510, 2016 | 53 | 2016 |
Lossless adaptive digital audio steganography SS Agaian, D Akopian, O Caglayan, SA D'Souza Conference Record of the Thirty-Ninth Asilomar Conference onSignals, Systems …, 2005 | 53 | 2005 |
Determining the correlation between received samples and available replica samples D Akopian US Patent 7,272,168, 2007 | 50 | 2007 |
Reduced complexity acquisition of GPS signals for software embedded applications PK Sagiraju, S Agaian, D Akopian IEE Proceedings-Radar, Sonar and Navigation 153 (1), 69-78, 2006 | 49 | 2006 |
Method in a receiver and a receiver D Akopian, I Kontola, H Valio, S Turunen US Patent 6,909,738, 2005 | 48 | 2005 |
Fast acquisition implementation for high sensitivity global positioning systems receivers based on joint and reduced space search PK Sagiraju, GVS Raju, D Akopian IET Radar, Sonar & Navigation 2 (5), 376-387, 2008 | 46 | 2008 |
Constant geometry algorithm for discrete cosine transform J Takala, D Akopian, J Astola, J Saarinen IEEE Transactions on Signal Processing 48 (6), 1840-1843, 2000 | 46 | 2000 |
Architecture-oriented regular algorithms for discrete sine and cosine transforms J Astola, D Akopian IEEE transactions on signal processing 47 (4), 1109-1124, 1999 | 45 | 1999 |
A development and testing instrumentation for GPS software defined radio with fast FPGA prototyping support A Soghoyan, A Suleiman, D Akopian IEEE Transactions on Instrumentation and Measurement 63 (8), 2001-2012, 2014 | 41 | 2014 |
Methods and systems for digital image security SS Agaian, D Akopian, RC Cherukuri, JP Perez, BM Rodriguez, ... US Patent 7,965,861, 2011 | 41 | 2011 |
Method, apparatus and system for estimating user position with a satellite positioning system in poor signal conditions D Akopian, J Syrjarinne US Patent 6,473,694, 2002 | 41 | 2002 |