95 search results - page 2 / 19 » Iterative Channel Estimation for IDMA Systems in Time-Varyin... |
VTC
2007
IEEE
13 years 10 months ago
2007
IEEE
1 — The authors of this paper proposed an iterative expectation-maximization (EM) channel estimation based on a low-density parity-check (LDPC) code-division multiple access rece...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— We focus on iterative detection for the uplink of a multi-carrier (MC) code division multiple access (CDMA) system based on orthogonal frequency division multiplexing (OFDM). T...
TSP
2008
13 years 4 months ago
2008
We propose low-complexity block turbo equalizers for orthogonal frequency-division multiplexing (OFDM) systems in time-varying channels. The presented work is based on a soft minim...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— A multiple-input multiple-output (MIMO) system, where multiple antennas are used at both transmitter and receiver, has been a promising technique for realizing highspeed wirele...
ICC
2007
IEEE
13 years 10 months ago
2007
IEEE
— Current OFDM systems assume the channel is not time varying within one OFDM frame, and use channel estimates obtained from preamble or pilots for data symbols within the same f...