1063 search results - page 123 / 213 » Capacity of steganographic channels |
VTC
2007
IEEE
15 years 6 months ago
2007
IEEE
—2-dimensional (2D) block spread direct sequence-code division multiple access (DS-CDMA) allows uplink mutlirate/mutli-connection transmissions without causing a serious multi-ac...
118
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TWC
2008
14 years 11 months ago
2008
In a wireless multiple-input multiple-output (MIMO) system, transmit antenna selection is an effective means of achieving good performance with low complexity. We consider spatial ...
110
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GLOBECOM
2007
IEEE
15 years 6 months ago
2007
IEEE
We consider a cognitive radio system where the secondary transmitter varies its transmit power based on all the information available from the spectrum sensor. The operation of th...
127
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GLOBECOM
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract--In this paper, we consider multiple-input multipleoutput (MIMO) communication systems with combined channel covariance feedback (CCF) and channel gain feedback (CGF), her...
125
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CORR
2011
Springer
14 years 3 months ago
2011
Springer
The tremendous capacity gains promised by space division multiple access (SDMA) depend critically on the accuracy of the transmit channel state information. In the broadcast chann...