Sciweavers

7272 search results - page 60 / 1455
» On the Performance of Selection Relaying
Sort
View
TSP
2010
13 years 2 months ago
Power allocation in orthogonal wireless relay networks with partial channel state information
Wireless amplify-and-forward relay networks in which the source communicates with the relays and destination in the first phase and the relays forward signals to the destination in...
Tung T. Pham, Ha H. Nguyen, Hoang Duong Tuan
ICASSP
2011
IEEE
12 years 12 months ago
Space-time beamforming for multiuser wireless relay networks
Abstract—The paper is concerned with a multiuser communication network, which is assisted by multiple relays. It has been observed through our previous related works that the con...
Anh H. Phan, Hoang Duong Tuan, Ha Hoang Kha
CISS
2011
IEEE
12 years 11 months ago
On linear processing for dual-hop multi-channel relaying
—In this paper, we consider the amplified-and-forward relaying in a multichannel system with linear processing capability at the relay. We propose an analytical approach to stud...
Min Dong, Mahdi Hajiaghayi, Ben Liang
MONET
2008
77views more  MONET 2008»
13 years 8 months ago
On Relay Node Placement and Assignment for Two-tiered Wireless Networks
Wireless networks that operate on batteries are imposed with energy constraints and long distance communications between nodes are not desirable. Implementing Relay Nodes (RNs) can...
Wenxuan Guo, Xin-Ming Huang, Wenjing Lou, Cao Lian...
TSP
2010
13 years 2 months ago
Improving wireless physical layer security via cooperating relays
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
Lun Dong, Zhu Han, Athina P. Petropulu, H. Vincent...