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GLOBECOM
2007
IEEE
14 years 1 months ago
CAC for Multibeam Opportunistic Schemes in Heterogeneous WiMax Systems Under QoS Constraints
Spatial scheduling in a heterogeneous WiMax Downlink channel, based on partial Channel State Information at the Transmitter (CSIT), is carried out through a multibeam opportunistic...
Nizar Zorba, Ana I. Pérez-Neira
GLOBECOM
2007
IEEE
14 years 1 months ago
mQMA: Multi-Constrained QoS Multicast Aggregation
Traditional IP Multicast has been proposed in order to manage group communications over the Internet in a bandwidth efficient manner. Although this proposition has been well studie...
Naouel Ben Ali, Joanna Moulierac, Abdelfattah Belg...
GLOBECOM
2007
IEEE
14 years 1 months ago
Distributed Energy-Efficient Cooperative Routing in Wireless Networks
Recently, cooperative routing in wireless networks has gained much interest due to its ability to exploit the broadcast nature of the wireless medium in designing powerefficient ro...
Ahmed S. Ibrahim, Zhu Han, K. J. Ray Liu
GLOBECOM
2007
IEEE
13 years 11 months ago
A SAGE Algorithm for Estimation of the Direction Power Spectrum of Individual Path Components
—In this contribution, the Fisher-Bingham-5 (FB5) probability density function (pdf) is used to model the shape of the direction power spectral density function (psdf) of individ...
Xuefeng Yin, Lingfeng Liu, Daniel K. Nielsen, Troe...
GLOBECOM
2007
IEEE
13 years 10 months ago
Cooperative Beamforming for Wireless Ad Hoc Networks
—Via collaborative beamforming, nodes in a wireless network are able to transmit a common message over long distances in an energy efficient fashion. However, the process of mak...
Lun Dong, Athina P. Petropulu, H. Vincent Poor