Sciweavers

10533 search results - page 1780 / 2107
» Design in reliability for communication designs
Sort
View
VTC
2006
IEEE
102views Communications» more  VTC 2006»
16 years 27 days ago
Backward Compatible Modulation Schemes for Improving Spectrum Efficiency in DAB Systems
In this study, a new physical layer transmission technique is proposed with the spectrum efficiency up to two times of that of the Eureka-147 DAB system. The proposed technique com...
Chih-Yang Kao, Ming-Chien Tseng, Ching-Yung Chen, ...
VTC
2006
IEEE
142views Communications» more  VTC 2006»
16 years 27 days ago
Adaptive Bit-Interleaved Coded OFDM over Time-Varying Channels
When adapting the transmitter to the channel state information (CSI), improved transmission is possible compared to the open loop system where no CSI is provided at the transmitte...
Jin Soo Choi, Chang-Kyung Sung, Sung Hyun Moon, In...
VTC
2006
IEEE
160views Communications» more  VTC 2006»
16 years 27 days ago
Chip-interleaved Multi-rate CDMA with 2-dimensional OVSF Spreading
—Chip interleaving technique has been proposed for DS-CDMA to eliminate the multiple-access interference (MAI). In this paper, we develop this technique to provide the single- or...
Le Liu, Fumiyuki Adachi
WETICE
2006
IEEE
16 years 27 days ago
A Hybrid P2P Protocol for Real-Time Collaboration
Peer-to-Peer architecture is currently an attractive solution for facilitating the use of collaboration software without any server. Multicasting is usually proposed for group com...
Dewan Tanvir Ahmed, Shervin Shirmohammadi
ADHOCNOW
2006
Springer
16 years 26 days ago
Circularity-Based Medium Access Control in Mobile Ad Hoc Networks
Abstract. The RTS/CTS access scheme, designed to reduce the number of collisions in a IEEE 802.11 network, is known to exhibit problems due to masked nodes, the imbalance between t...
Mohammad Z. Ahmad, Damla Turgut, R. Bhakthavathsal...
« Prev « First page 1780 / 2107 Last » Next »