Sciweavers

16 search results - page 2 / 4
» Approximability of the Multiple Stack TSP
Sort
View
TSP
2008
115views more  TSP 2008»
13 years 5 months ago
Approximation Bounds for Semidefinite Relaxation of Max-Min-Fair Multicast Transmit Beamforming Problem
Consider a downlink multicast scenario where a base station equipped with multiple antennas wishes to simultaneously broadcast a number of signals to some given groups of users ove...
Tsung-Hui Chang, Zhi-Quan Luo, Chong-Yung Chi
TSP
2008
147views more  TSP 2008»
13 years 5 months ago
Low-Complexity MIMO Multiuser Receiver: A Joint Antenna Detection Scheme for Time-Varying Channels
Abstract--This paper deals with the uplink of a wireless multiple-input multiple-output (MIMO) communication system based on multicarrier (MC) code division multiple access (CDMA)....
Charlotte Dumard, Thomas Zemen
TSP
2010
13 years 4 days ago
Modeling and identification of nonlinear systems in the short-time fourier transform domain
Abstract--In this paper, we introduce a novel approach for improved nonlinear system identification in the short-time Fourier transform (STFT) domain. We first derive explicit repr...
Yekutiel Avargel, Israel Cohen
TSP
2010
13 years 4 days ago
A low complexity blind estimator of narrowband polynomial phase signals
Consider the problem of estimating the parameters of multiple polynomial phase signals observed by a sensor array. In practice, it is difficult to maintain a precisely calibrated a...
Alon Amar, Amir Leshem, Alle-Jan van der Veen
USENIX
1994
13 years 6 months ago
TreadMarks: Distributed Shared Memory on Standard Workstations and Operating Systems
TreadMarks is a distributed shared memory DSM system for standard Unix systems such as SunOS and Ultrix. This paper presents a performance evaluation of TreadMarks running on Ultr...
Peter J. Keleher, Alan L. Cox, Sandhya Dwarkadas, ...