Robust estimation of carrier-frequency offset and timing offset for OFDMA uplink systems over multi-path fading channels. Abstract: Multi-path fading and ...
Multi-path fading and multiple access interference largely degrade the performance of carrier-frequency offset and timing offset estimations in OFDMA uplink ...
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Abstract. In this paper, we consider the frequency offset estimation for Orthogonal Frequency-Division Multiple Access (OF-DMA) uplink (UL) transmissions.
Accurate estimation of carrier frequency offset (CFO) and channel has great importance in communication systems. In this paper, a data-aided joint maximum ...
This letter addresses the problem of joint estimation of carrier frequency offset (CFO) and channel for OFDM systems in the presence of timing ambiguity. Based ...
Nov 15, 2010 · The simulation results show that the frequency domain cross-correlation method is more robust to the interferences from the other ranging users ...
Nov 6, 2006 · This paper investigates Carrier Frequency Offset (CFO) estimation in the uplink of the Orthogonal Frequency-Division Multiple Access (OFDMA) ...
Assume a multipath slow fading channel, whose fading coefficients can be assumed to be constant during one OFDMA symbol duration. Then, the channel ...
Abstract—In this paper, the uplink frequency offset estimation for orthogonal frequency-division multiplexing access (OFDMA) is discussed.
We analyze the effect of location and number of null sub-carriers on the performance of the algorithm, in the presence of multi-user interference (MUI) and ...