89 search results - page 7 / 18 » Low complexity OFDM receiver using Log-FFT for coded OFDM sy... |
JCM
2008
13 years 9 months ago
2008
In this paper we revisit the minimum mean square error (MMSE) pilot-aided channel estimation for broadband orthogonal frequency division multiplexing (OFDM) systems. The careful de...
TWC
2010
13 years 3 months ago
2010
The maximum likelihood estimate of the impulse response of a frequency-selective channel in the presence of phase noise and I/Q imbalance is derived. The complexity of the joint es...
TWC
2008
13 years 8 months ago
2008
In the first part of the paper, the capacity of a general multiuser code division multiple access (CDMA) jamming channel was analyzed for noncooperative and cooperative users in up...
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...
VTC
2010
IEEE
13 years 7 months ago
2010
IEEE
—We analyse mobile propagation channels which occur in the context of car-to-car communications in the 24 GHz ISM band. From the information gathered, we design robust frame desi...