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ICC
2007
IEEE
15 years 7 months ago
Transmit Optimization for Relay-Based Cellular OFDMA Systems
Abstract—This paper considers a broadband cellular orthogonal frequency-division multiple-access (OFDMA) system with relay nodes operating in decode-and-forward and half-duplex m...
Wooseok Nam, Woohyuk Chang, Sae-Young Chung, Yong ...
ICC
2007
IEEE
170views Communications» more  ICC 2007»
15 years 7 months ago
Optimal Bandwidth Provision at WiMAX MAC Service Access Point on Uplink Direction
—In this paper, the IEEE 802.16 protocol is investigated with respect to the bandwidth provision problem arising at the Medium Access Control (MAC) layer. The aim is to optimally...
Mario Marchese, Maurizio Mongelli
ICC
2007
IEEE
139views Communications» more  ICC 2007»
15 years 7 months ago
Optimal Power Allocation for Amplify-And-Forward Relay Networks via Conic Programming
— Relay power allocation has been shown to provide substantial performance gain in wireless relay channels when perfect global channel state information (CSI) is available. In th...
Tony Q. S. Quek, Moe Z. Win, Hyundong Shin, Marco ...
ICC
2007
IEEE
15 years 7 months ago
Determination of Optimal Distortion-Based Protection in Progressive Image Transmission: a Heuristic Approach
— In this paper a method for the fast determination of distortion-based optimal unequal error protection (UEP) of bitstreams generated by embedded image coders is described. The ...
Alessio Torquati, Maria Fresia, Fabio Lavagetto
ICC
2007
IEEE
15 years 7 months ago
Optimal Pilot Symbol Distribution for Efficient and Low-Complexity Doppler-Shift and Doppler-Rate Estimation in Bursty Transmiss
— Due to relative motion between the transmitter and the receiver, the carrier of the received signal in digital burstmode transmission can be affected by Doppler distortion. Thi...
Luca Giugno, Francesca Zanier, Marco Luise