[下载]Channel Estimation for LTE Uplink in High

jarvinia

Channel Estimation for LTE Uplink in High Doppler Spread

Long Term Evolution (LTE) systems are expected
to use Single Carrier Frequency Division Multiple Access (SCFDMA)
for the uplink. Being very similar to the OFDMA
technology, SC-FDMA is sensitive to frequency offsets, which
leads to inter-carrier interference (ICI). In this paper, we propose
an interpolation algorithm based on adaptive order polynomial
fitting for LTE uplink channel estimation to mitigate ICI in
high Doppler spread. Simulation results show that the proposed
method has better performance compared to the conventional
schemes.