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Dae-Ki Hong, Young-Jo Lee, Daesik Hong and Chang-Eon Kang, "Robust frequency offset estimation for pilot symbol assisted packet CDMA with MIMO antenna systems", IEEE Comm. Letters, Jun 2002
[IEEE Commun. Lett.]
조회 38430
Status : | Published |
---|---|
Date : | 2002-06 |
Title : | Robust frequency offset estimation for pilot symbol assisted packet CDMA with MIMO antenna systems |
Authors : | Dae-Ki Hong, Young-Jo Lee, Daesik Hong and Chang-Eon Kang |
Journal : | IEEE Communications Letters |
Abstract : | We propose frequency offset estimation and combining techniques for pilot symbol assisted (PSA) packet downlink code-division multiple access (CDMA) with multiple-input and multiple-output (MIMO) antenna systems. Orthogonal Walsh codes are used for dedicated pilot symbols at the transmit antennas. The discrete Fourier transform (DFT)-based frequency offset estimation is used for simple implementation. In addition, simple interpolation is also used for resolution improvement of the DFT. When identical frequency offset is assumed, the frequency offset estimates for each single-input single-output (SISO) sub-stream (i.e., transmit/receive antenna pair) can be combined at the receiver. Simulation results show that the estimation and combining techniques proposed deliver improvement in the frequency offset estimation performance. |
URL : | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1010875 |
Dae-Ki Hong; Young-Jo Lee; Daesik Hong; Chang-Eon Kang; , "Robust frequency offset estimation for pilot symbol assisted packet CDMA with MIMO antenna systems,"Communications Letters, IEEE , vol.6, no.6, pp.262-264, June 2002
doi: 10.1109/LCOMM.2002.1010875
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1010875&isnumber=21782
doi: 10.1109/LCOMM.2002.1010875
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1010875&isnumber=21782
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