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SIAMJO
2008
212views more  SIAMJO 2008»
15 years 6 months ago
Convergence Rate of an Optimization Algorithm for Minimizing Quadratic Functions with Separable Convex Constraints
A new active set algorithm for minimizing quadratic functions with separable convex constraints is proposed by combining the conjugate gradient method with the projected gradient. ...
Radek Kucera
TSP
2008
94views more  TSP 2008»
15 years 5 months ago
Optimal Particle Filters for Tracking a Time-Varying Harmonic or Chirp Signal
We consider the problem of tracking the time-varying (TV) parameters of a harmonic or chirp signal using particle filtering (PF) tools. Similar to previous PF approaches to TV spec...
E. E. Tsakonas, Nicholas D. Sidiropoulos, Ananthra...
AMC
1999
128views more  AMC 1999»
15 years 5 months ago
An elementary result in the stability theory of time-invariant nonlinear discrete dynamical systems
The stability of the equilibria of time-invariant nonlinear dynamical systems with discrete time scale is investigated. We present an elementary proof showing that in the case of ...
Weiye Li, Ferenc Szidarovszky
PIMRC
2010
IEEE
15 years 3 months ago
On the detection probability of parallel code phase search algorithms in GPS receivers
The first stage of the signal processing chain in a Global Positioning System (GPS) receiver is the acquisition, which provides for a desired satellite coarse code phase and Dopple...
Bernhard Geiger, Michael Soudan, Christian Vogel
TWC
2011
275views more  TWC 2011»
15 years 28 days ago
A Novel Uplink Multiple Access Scheme Based on TDS-FDMA
—This contribution proposes a novel time-domain synchronous frequency division multiple access (TDS-FDMA) scheme to support multi-user uplink application. A unified frame struct...
Linglong Dai, Zhaocheng Wang, Sheng Chen