8 search results - page 1 / 2 » Cooperative OFDM with Amplify-and-Forward Relaying with Timi... |
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—In this paper, we investigate cooperative OFDM communications using amplify-and-forward (AF) protocol at the relays, in the presence of imperfect timing synchronization....
GLOBECOM
2008
IEEE
13 years 5 months ago
2008
IEEE
Abstract— This paper discusses channel estimation in a cooperative orthogonal frequency-division multiplexing (OFDM) network in the presence of frequency offsets. Both the amplif...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective ch...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
This paper considers the problem of spectrum sensing in cognitive radio networks when the primary user is using Orthogonal Frequency Division Multiplexing (OFDM). For this we devel...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
In this paper, a novel closed-loop distributed extended orthogonal space time block code (D-EO-STBC) with one-bit feedback based on selection of phase rotation is proposed for two...