92 search results - page 3 / 19 » Timing and frequency synchronization for OFDM based cooperat... |
PIMRC
2008
IEEE
13 years 11 months ago
2008
IEEE
— In infrastructure-less wireless systems network-wise time and frequency synchronization can be achieved by exchanging mutual synchronization errors among neighboring nodes. Coo...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— Though cooperative communication has been intensively examined for general wireless systems, such as mobile and ad-hoc networks, it has been almost unexplored in the ca...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper, we investigate the application of a unipolar Non-Coherent M-ary Orthogonal Keying (NC-MOK) for OFDM system that does not require channel estimation and compare its p...
CORR
2010
Springer
13 years 5 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 9 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...