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WCNC
2008
IEEE
14 years 3 months ago
Throughput and Delay Performance Analysis of Packet Aggregation Scheme for PRMA
—Packet reservation multiple access (PRMA) protocol is an implicit reservation MAC protocol. It is initially designed for voice packets in the cellular networks [2], [3] but it is...
Qi Zhang, Villy Bæk Iversen, Frank H. P. Fit...
VTC
2006
IEEE
14 years 3 months ago
Performance Comparison of OFDM-TDMA and OFDMA with Cross-Layer Consideration
— Performance comparison of multiuser OFDM-TDMA and OFDMA systems by considering physical and link cross-layer behavior is conducted in this work. We provide a new framework for ...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo
EMNLP
2007
13 years 10 months ago
Lexical Semantic Relatedness with Random Graph Walks
Many systems for tasks such as question answering, multi-document summarization, and information retrieval need robust numerical measures of lexical relatedness. Standard thesauru...
Thad Hughes, Daniel Ramage
SODA
2008
ACM
108views Algorithms» more  SODA 2008»
13 years 10 months ago
Dimension augmentation and combinatorial criteria for efficient error-resistant DNA self-assembly
DNA self-assembly has emerged as a rich and promising primitive for nano-technology. Experimental and analytical evidence indicates that such systems are prone to errors, and acco...
Ho-Lin Chen, Ashish Goel, Chris Luhrs
JSAC
2007
130views more  JSAC 2007»
13 years 8 months ago
Cross-layer QoS Analysis of Opportunistic OFDM-TDMA and OFDMA Networks
Abstract— Performance analysis of multiuser orthogonal frequency division multiplexing (OFDM-TDMA) and orthogonal frequency division multiple access (OFDMA) networks in support o...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo