563 search results - page 38 / 113 » Optimal Transmission for Dying Channels |
WIOPT
2006
IEEE
15 years 5 months ago
2006
IEEE
A state-of-the-art orthogonal frequency division multiplexing (OFDM)-based access system, such as the DiffSeg system [1][2], uses a different set of transmission technologies, e.g...
GLOBECOM
2006
IEEE
15 years 5 months ago
2006
IEEE
Abstract— For a multiple-input single-output (MISO) downlink channel with ¢ transmit antennas, it has been recently proved that zero-forcing beamforming (ZFBF) to a subset of (a...
TCOM
2010
14 years 9 months ago
2010
Abstract—In this paper, we propose a spectrally efficient cooperative transmission protocol for multiple access scenarios. The key feature is to utilize multi-user diversity and...
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TWC
2010
14 years 5 months ago
2010
Multiple antenna systems are known to provide very large data rates, when the perfect channel state information (CSI) is available at the receiver. However, this requires the recei...
INFOCOM
2007
IEEE
15 years 5 months ago
2007
IEEE
Abstract— In this paper, we develop and analyze a lowcomplexity cooperative protocol that significantly increases the average throughput of multi-hop upstream transmissions for ...