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EWSN
2010
Springer
16 years 3 months ago
Radio Interferometric Angle of Arrival Estimation
Abstract. Several localization algorithms exist for wireless sensor networks that use angle of arrival measurements to estimate node position. However, there are limited options fo...
Isaac Amundson, János Sallai, Xenofon D. Ko...
ICCAD
2006
IEEE
116views Hardware» more  ICCAD 2006»
16 years 3 months ago
Enhanced error vector magnitude (EVM) measurements for testing WLAN transceivers
As wireless LAN devices become more prevalent in the consumer electronics market, there is an ever increasing pressure to reduce their overall cost. The test cost of such devices ...
Erkan Acar, Sule Ozev, Kevin B. Redmond
DCC
2010
IEEE
16 years 1 months ago
Subsampling-Adaptive Directional Wavelet Transform for Image Coding
In lifting-based directional wavelet transforms, different subsampling patterns may show significant difference for directional signals in image coding. This paper investigates t...
Jizheng Xu, Feng Wu
ICASSP
2009
IEEE
16 years 1 months ago
Two microphone based direction of arrival estimation for multiple speech sources using spectral properties of speech
A two microphone direction of arrival (DOA) estimation technique for multiple speech sources is developed which exploits speech specific properties, namely sparsity in time-frequ...
Wenyi Zhang, Bhaskar D. Rao
SCALESPACE
2009
Springer
16 years 26 days ago
Bregman-EM-TV Methods with Application to Optical Nanoscopy
Abstract. Measurements in nanoscopic imaging suffer from blurring effects concerning different point spread functions (PSF). Some apparatus even have PSFs that are locally depend...
Christoph Brune, Alex Sawatzky, Martin Burger