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ICC
2008
IEEE
121views Communications» more  ICC 2008»
15 years 8 months ago
Improving Videophone Transmission over Multi-Rate IEEE 802.11e Networks
— In this paper, we propose an adaptive system for improving videophone transmission over EDCA. We consider that a videophone contains a constant bit rate (CBR) voice source and ...
Tiantian Guo, Jianfei Cai, Chuan Heng Foh, Yu Zhan...
ICC
2007
IEEE
129views Communications» more  ICC 2007»
15 years 8 months ago
Time Sharing Policy in Wireless Networks for Variable Rate Transmission
— For most of wireless services with variable rate transmission, both average rate and rate oscillation are important performance metrics. One often needs to decide how much rate...
Xiaolu Zhang, Meixia Tao, Chun Sum Ng
ICMCS
2006
IEEE
93views Multimedia» more  ICMCS 2006»
15 years 8 months ago
A New Joint Source-Channel Modeling Approach for Adaptive FEC Code Rate Decision
We propose a joint source-channel modeling approach for adaptively determining the quality-optimal FEC code rate. Our objective is to obtain the optimal video quality in the recei...
Yo-Won Jeong, Jae Kwon, Jae-kyoon Kim, Kyu Ho Park
ICC
2007
IEEE
15 years 8 months ago
Adaptive Channel Reuse in Cellular Systems
Abstract— In cellular systems a large reuse distance reduces cochannel interference while a small reuse distance increases bandwidth allocated to each cell. The optimal reuse dis...
Yifan Liang, Andrea J. Goldsmith
CORR
2008
Springer
112views Education» more  CORR 2008»
15 years 2 months ago
2D Linear Precoded OFDM for future mobile Digital Video Broadcasting
In this paper, we propose a novel channel estimation technique based on 2D spread pilots. The merits of this technique are its simplicity, its flexibility regarding the transmissi...
Oudomsack Pierre Pasquero, Matthieu Crussiè...