Sciweavers

198 search results - page 38 / 40
» Opportunistic interference alignment in MIMO interference ch...
Sort
View
INFOCOM
2011
IEEE
12 years 11 months ago
Contrabass: Concurrent transmissions without coordination for ad hoc networks
—A practical protocol jointly considering PHY and MAC for MIMO based concurrent transmissions in wireless ad hoc networks, called Contrabass, is presented. Concurrent transmissio...
Sungro Yoon, Injong Rhee, Bang Chul Jung, Babak Da...
TSP
2012
12 years 3 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...
WIOPT
2010
IEEE
13 years 6 months ago
Competitive interference-aware spectrum access in cognitive radio networks
—Cognitive radio networks provide the capability to share the wireless channel with licensed (primary) users in an opportunistic manner. Primary users have a license to operate i...
Jocelyne Elias, Fabio Martignon, Antonio Capone, E...
ICC
2009
IEEE
152views Communications» more  ICC 2009»
13 years 5 months ago
System Spectral Efficiency and Stability of 3G Networks: A Comparative Study
CDMA2000, WCDMA and WiMAX are three widely used 3G technologies. Since they share the same goal, which is to provide broader coverage and higher throughput in 3G networks, an impar...
Yuehong Gao, Xin Zhang, Yuming Jiang, Jeong-woo Ch...
CORR
2010
Springer
147views Education» more  CORR 2010»
13 years 8 months ago
Distributed Storage Codes Meet Multiple-Access Wiretap Channels
We consider i) the overhead minimization of maximum-distance seperable (MDS) storage codes for the repair of a single failed node and ii) the total secure degrees-of-freedom (S-DoF...
Dimitris S. Papailiopoulos, Alexandros G. Dimakis