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ICASSP
2011
IEEE
14 years 10 months ago
Fixed- versus floating-point implementation of MIMO-OFDM detector
In this paper, we investigate the opportunities offered by floatingpoint arithmetics in enabling an assembly and intrinsics free highlevel language based development. We compare ...
Janne Janhunen, Perttu Salmela, Olli Silvén...
ICASSP
2011
IEEE
14 years 10 months ago
Analysis of unknown velocity and target off the grid problems in compressive sensing based subsurface imaging
Sparsity of target space in subsurface imaging problem is used within the framework of the compressive sensing (CS) theory in recent publications to decrease the data acquisition ...
Mehmet Ali Çagri Tuncer, Ali Cafer Gurbuz
ICASSP
2011
IEEE
14 years 10 months ago
The HKCUPU system for the NIST 2010 speaker recognition evaluation
This paper presents the HKCUPU speaker recognition system submitted to NIST 2010 speaker recognition evaluation (SRE). The system comprises five subsystems, each with different ac...
Weiwu Jiang, Man-Wai Mak, Wei Rao, Helen M. Meng
ICASSP
2011
IEEE
14 years 10 months ago
The asymptotic properties of polynomial phase estimation by least squares phase unwrapping
Estimating the coefficients of a noisy polynomial phase signal is important in many fields including radar, biology and radio communications. One approach to estimation attempts...
Robby G. McKilliam, I. Vaughan L. Clarkson, Barry ...
ICASSP
2011
IEEE
14 years 10 months ago
RSS-based sensor localization with unknown transmit power
Received signal strength (RSS)-based single source localization when there is not a prior knowledge about the transmit power of the source is investigated. Because of nonconvex be...
Reza M. Vaghefi, Mohammad Reza Gholami, Erik G. St...