Sciweavers

331 search results - page 25 / 67
» Optimal Cooperative Relaying Schemes in IR-UWB Networks
Sort
View
GLOBECOM
2008
IEEE
13 years 9 months ago
Cooperative OFDM Channel Estimation with Frequency Offsets
Abstract— This paper discusses channel estimation in a cooperative orthogonal frequency-division multiplexing (OFDM) network in the presence of frequency offsets. Both the amplif...
Zhongshan Zhang, Wei Zhang, Chintha Tellambura
TSP
2008
145views more  TSP 2008»
13 years 8 months ago
Multichannel ALLIANCES: A Cooperative Cross-Layer Scheme for Wireless Networks
A random access protocol named ALLIANCES was recently proposed, that achieves high throughput by resolving collisions in wireless networks. ALLIANCES exploits diversity provided b...
Lun Dong, Athina P. Petropulu
MMSP
2008
IEEE
155views Multimedia» more  MMSP 2008»
14 years 2 months ago
Structured network coding and cooperative local peer-to-peer repair for MBMS video streaming
—By providing coding ability at intermediate nodes, network coding has been shown to improve throughput in wireless broadcast/multicast networks. Considering a scenario where wir...
Xin Liu, Gene Cheung, Chen-Nee Chuah
ICC
2007
IEEE
126views Communications» more  ICC 2007»
14 years 11 days ago
User Cooperation Through Network Coding
Abstract-- Most user cooperation protocols work in a timesharing manner, where each user transmits its own message and relays for the other at different segments of a time slot. We...
Meng Yu, Jing Li, Rick S. Blum
WCNC
2010
IEEE
14 years 11 days ago
Radio Resource Management in OFDMA-Based Cellular Networks Enhanced with Fixed and Nomadic Relays
—The provision of very high data rates in a ubiquitous manner throughout the service area is a great challenge for 4G and beyond-4G wireless networks. Towards that end, the deplo...
Mohamed Salem, Abdulkareem Adinoyi, Halim Yanikome...