193 search results - page 25 / 39 » Optimizing channel allocation in a unified video-on-demand s... |
TWC
2010
13 years 2 months ago
2010
In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems under the minimum mean square error (...
TSP
2010
13 years 2 months ago
2010
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
DCC
2007
IEEE
14 years 7 months ago
2007
IEEE
We study the problem of maximizing the expected rate over a slowly fading channel with quantized channel state information at the transmitter (CSIT). This problem has been recentl...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract—This paper considers power and bandwidth allocation to maximize the end-to-end rate in a multihop wireless network. Assuming an orthogonal frequency division multiplexin...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— In this paper, we investigate joint resource allocation and routing for a wireless mesh network consisting of fixed access points inter-connected through multi-channel wireles...