Sciweavers

6800 search results - page 1259 / 1360
» On optimizing collective communication
Sort
View
TSP
2010
13 years 3 months ago
SNR estimation for multilevel constellations using higher-order moments
Abstract--The performance of existing moments-based nondata-aided (NDA) estimators of signal-to-noise ratio (SNR) in digital communication systems substantially degrades with multi...
Marcos Álvarez-Díaz, Roberto L&oacut...
TWC
2010
13 years 3 months ago
On the Efficacy of Frequency Hopping in Coping with Jamming Attacks in 802.11 Networks
Abstract--Frequency hopping (FH) has been the most popularly considered approach for alleviating the effects of jamming attacks. We re-examine, the efficacy of FH based on both exp...
Konstantinos Pelechrinis, Christos Koufogiannakis,...
ICASSP
2011
IEEE
13 years 21 days ago
Resource allocation for OFDMA cognitive radios under channel uncertainty
A weighted sum-rate maximization problem is considered for an access point (AP) allocating resources to wireless cognitive radios (CRs) communicating using orthogonal frequency-di...
Seung-Jun Kim, Nasim Yahya Soltani, Georgios B. Gi...
ICASSP
2011
IEEE
13 years 21 days ago
Logarithmic weak regret of non-Bayesian restless multi-armed bandit
Abstract—We consider the restless multi-armed bandit (RMAB) problem with unknown dynamics. At each time, a player chooses K out of N (N > K) arms to play. The state of each ar...
Haoyang Liu, Keqin Liu, Qing Zhao
PDP
2011
IEEE
13 years 20 days ago
Energy-Aware Task Allocation for Network-on-Chip Based Heterogeneous Multiprocessor Systems
—Energy-efficiency is becoming one of the most critical issues in embedded system design. In Network-on-Chip (NoC) based heterogeneous Multiprocessor Systems, the energy consump...
Jia Huang, Christian Buckl, Andreas Raabe, Alois K...
« Prev « First page 1259 / 1360 Last » Next »