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105
Voted
VTC
2008
IEEE
156views Communications» more  VTC 2008»
15 years 4 months ago
Channel Asymmetry and Random Time Slot Hopping in OFDMA-TDD Cellular Networks
Abstract—This paper studies the performance of orthogonal frequency division multiple access – time division duplex (OFDMA-TDD) cellular networks when jointly applying dynamic ...
Ellina Foutekova, Patrick Agyapong, Harald Haas
WCNC
2008
IEEE
15 years 4 months ago
Quantize-and-Forward Relaying with M-ary Phase Shift Keying
Abstract—Using cooperative transmission, two or more singleantenna users can share their antennas to achieve spatial diversity in a slow fading channel. One relaying protocol tha...
Michael R. Souryal, Huiqing You
ICC
2007
IEEE
113views Communications» more  ICC 2007»
15 years 4 months ago
Utility-Aware Resource Allocation for Multi-Stream Overlay Multicast
Abstract - Overlay multicast, which performs topology construction and data relaying in the application layer, has recently emerged as a promising vehicle for data distribution. In...
Ji Xu, Jiangchuan Liu, Hsiao-Hwa Chen, Xiao Chu
81
Voted
INFOCOM
2007
IEEE
15 years 4 months ago
Cooperating with Smartness: Using Heterogeneous Smart Antennas in Ad-Hoc Networks
Abstract— The ability of smart antennas to improve performance in a typically constrained ad-hoc network environment, has helped them garner significant attention over the last ...
Karthikeyan Sundaresan, Raghupathy Sivakumar
129
Voted
INFOCOM
2007
IEEE
15 years 4 months ago
Optimal Jamming Attacks and Network Defense Policies in Wireless Sensor Networks
Abstract— We consider a scenario where a sophisticated jammer jams an area in a single-channel wireless sensor network. The jammer controls the probability of jamming and transmi...
Mingyan Li, Iordanis Koutsopoulos, Radha Poovendra...