Sciweavers

32 search results - page 5 / 7
» MIMO Receiver Design in the Presence of Radio Frequency Inte...
Sort
View
ICASSP
2011
IEEE
14 years 1 months ago
Robust secondary multicast transmit beamforming for cognitive radio networks under imperfect channel state information
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
TSP
2012
13 years 5 months ago
Robust Multicast Beamforming for Spectrum Sharing-Based Cognitive Radios
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
MOBIHOC
2005
ACM
15 years 9 months ago
The feasibility of launching and detecting jamming attacks in wireless networks
Wireless networks are built upon a shared medium that makes it easy for adversaries to launch jamming-style attacks. These attacks can be easily accomplished by an adversary emitt...
Wenyuan Xu, Wade Trappe, Yanyong Zhang, Timothy Wo...
CORR
2010
Springer
133views Education» more  CORR 2010»
14 years 8 months ago
Robust Beamforming for Security in MIMO Wiretap Channels with Imperfect CSI
—In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper. In part...
Amitav Mukherjee, A. Lee Swindlehurst
GLOBECOM
2008
IEEE
14 years 11 months ago
On the Impact of Inter-Cell Interference in LTE
—While intercell interference coordination (ICIC) for the downlink of multi-cell systems in general and orthogonal frequency division multiple access (OFDMA) networks in particul...
András Rácz, Norbert Reider, G&aacut...