84 search results - page 11 / 17 » Frequency Offset Estimation for IFDMA Uplink Systems |
ICASSP
2009
IEEE
15 years 1 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
2008
Springer
14 years 9 months ago
2008
Springer
Abstract--In this letter, an initial ranging scheme for orthogonal frequency-division multiple-access systems is proposed by which users that intend to establish a communication li...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
VTC
2007
IEEE
15 years 3 months ago
2007
IEEE
In this paper, the issue of channel estimation in Single Carrier Frequency Domain Equalization (SC-FDE)1 uplink Space Division Multiple Access (SDMA) systems in the presence of in...
VTC
2008
IEEE
15 years 3 months ago
2008
IEEE
— The second-order statistics of a time-domain signal are very often used in blind and semi-blind channel estimation. Considering that the received signal in MIMO-OFDM systems mi...