24 search results - page 4 / 5 » Robust Frequency-Hopping System for Channels with Interferen... |
TMM
2002
13 years 5 months ago
2002
A joint source-channel coding (JSCC) scheme for robust progressive image transmission over broadband wireless channels using orthogonal frequency division multiplexing (OFDM) syste...
TWC
2008
13 years 6 months ago
2008
We present a space-time coded system which achieves high throughput and good performance using lowcomplexity detection and decoding. We focus on a Rate 2 quasiorthogonal space-time...
WCNC
2010
IEEE
13 years 10 months ago
2010
IEEE
—It is well known that symbol timing offsets larger than the cyclic prefix as well as carrier frequency offsets between transmitter and receiver stations destroy the orthogonali...
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
In Cognitive Radio (CR) systems, spectrum sensing plays a key role to determine the free frequency bands. However, when the primaryuser (PU) signal spectrum exhibits localized fad...
ICC
2007
IEEE
14 years 15 days ago
2007
IEEE
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...