Sciweavers

351 search results - page 40 / 71
» MIMO Networks: the Effects of Interference
Sort
View
MOBIHOC
2005
ACM
14 years 7 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...
TCOM
2010
119views more  TCOM 2010»
13 years 5 months ago
Optimization of OFDMA-Based Cellular Cognitive Radio Networks
Abstract— In this paper, we study the coexistence and optimization of a multicell cognitive radio network (CRN) which is overlaid with a multicell primary radio network (PRN). We...
Yao Ma, Dong In Kim, Zhiqiang Wu
DATE
2007
IEEE
114views Hardware» more  DATE 2007»
14 years 1 months ago
Fast positive-real balanced truncation of symmetric systems using cross Riccati equations
We present a computationally efficient implementation of positive-real balanced truncation (PRBT) for symmetric multiple-input multiple-output (MIMO) systems. The solution of a p...
Ngai Wong
MOBICOM
2010
ACM
13 years 7 months ago
CTRL: a self-organizing femtocell management architecture for co-channel deployment
Femtocell technology has been drawing considerable attention as a cost-effective means of improving cellular coverage and capacity. However, under co-channel deployment, femtocell...
Ji-Hoon Yun, Kang G. Shin
ICC
2008
IEEE
142views Communications» more  ICC 2008»
14 years 2 months ago
Contention Window and Transmission Opportunity Adaptation for Dense IEEE 802.11 WLAN Based on Loss Differentiation
— In high density (HD) WLANs, packet losses can occur due to hidden terminals (asynchronous interference) or collisions (synchronous interference). Without differentiating above ...
Hui Ma, Sumit Roy