1063 search results - page 167 / 213 » Capacity of steganographic channels |
CORR
2010
Springer
14 years 10 months ago
2010
Springer
— For an nt transmit, nr receive antenna system (nt × nr system), a full-rate space time block code (STBC) transmits nmin = min(nt, nr) complex symbols per channel use and in ge...
106
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CORR
2008
Springer
14 years 10 months ago
2008
Springer
Multiple-input multiple-output (MIMO) systems are being considered as one of the key enabling technologies for future wireless networks. However, the decrease in capacity due to th...
103
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CORR
2008
Springer
14 years 10 months ago
2008
Springer
Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...
JIPS
2010
14 years 6 months ago
2010
Video-on-Demand services are increasing rapidly nowadays. The load on servers can be very high, even exceeding their capacity. For popular contents, we can use a Periodic Broadcast...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
Recently there has been much interest in using transmit beamforming to provide multi-antenna physical-layer multicasting. A state of the art in this context is the semidefinite r...