Sciweavers

Share
warning: Creating default object from empty value in /var/www/modules/taxonomy/taxonomy.module on line 1416.
TSP
2010
10 years 6 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...
TIT
2010
146views Education» more  TIT 2010»
10 years 6 months ago
Cooperation with an untrusted relay: a secrecy perspective
We consider the communication scenario where a source-destination pair wishes to keep the information secret from a relay node despite wanting to enlist its help. For this scenario...
Xiang He, Aylin Yener
TIT
2010
156views Education» more  TIT 2010»
10 years 6 months ago
Bandwidth and power allocation for cooperative strategies in Gaussian relay networks
Abstract-- In a relay network with a single sourcedestination pair, we examine the achievable rates with amplifyand-forward (AF) relaying strategy. Motivated by applications in sen...
Ivana Maric, Roy D. Yates
TCSV
2010
10 years 6 months ago
Layered Wireless Video Multicast Using Relays
Wireless video multicast enables delivery of popular events to many mobile users in a bandwidth efficient manner. However, providing good and stable video quality to a large number...
Özgü Alay, Thanasis Korakis, Yao Wang, E...
TCOM
2010
162views more  TCOM 2010»
10 years 6 months ago
Power Allocation in MMSE Relaying over Frequency-Selective Rayleigh Fading Channels
Abstract--This paper develops an amplify-and-forward relaying scheme for multiuser wireless cooperative networks under frequency-selective block-fading. Single-carrier frequency di...
Tung T. Pham, Ha H. Nguyen, Hoang Duong Tuan
ICASSP
2010
IEEE
10 years 6 months ago
Physical layer algorithm and hardware verification of MIMO relays using cooperative partial detection
Cooperative communication with multi-antenna relays can significantly increase the reliability and speed. However, cooperative MIMO detection would impose considerable complexity o...
Kiarash Amiri, Michael Wu, Melissa Duarte, Joseph ...
TSP
2011
210views more  TSP 2011»
10 years 6 months ago
Physical Layer Network Coding and Precoding for the Two-Way Relay Channel in Cellular Systems
In this paper, we study the application of physical layer network coding to the joint design of uplink and downlink transmissions, where the base station and the relay have multip...
Zhiguo Ding, Ioannis Krikidis, John S. Thompson, K...
CDC
2010
IEEE
118views Control Systems» more  CDC 2010»
10 years 6 months ago
Sufficient conditions for stabilizability over Gaussian relay and cascade channels
We present sufficient conditions for stabilizability of an unstable linear time invariant scalar system across an additive white Gaussian noise channel, with a relay assisting the ...
Utsaw Kumar, Vijay Gupta, J. Nicholas Laneman
GLOBECOM
2010
IEEE
10 years 9 months ago
Filter-and-Forward Distributed Beamforming for Two-Way Relay Networks with Frequency Selective Channels
Abstract-- A new approach to distributed cooperative beamforming in two-way half-duplex relay networks with frequency selective channels is proposed. In our scheme, two transceiver...
Haihua Chen, Alex B. Gershman, Shahram Shahbazpana...
GLOBECOM
2010
IEEE
10 years 9 months ago
Design of Amplify and Forward MIMO Relay Networks with QoS Constraint
In this paper, we design the optimal precoding matrices for amplify-and-forward (AF) multiple-input multipleoutput (MIMO) relay networks. Specifically, we consider a dualhop relay ...
Jafar Mohammadi, Feifei Gao, Yue Rong
books