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In wireless mobile communication systems, the channel state information (CSI) is very useful information to optimize the system performance. In this paper, we propose a novel channel estimation method using two consecutive subcarriers (CE-TCS) which is based on pilot channel-based channel estimation (PCCE). The proposed CE-TCS alters the system structure in order to maintain orthogonality between data and pilot channels over two consecutive subcarriers. Contrary to the conventional PCCE, this new CE-TCS can obtain both accurate CSF and diversity gain in a frequency-interleaved multicarrier code division multiple access (MC-CDMA) system. Moreover, contrary to the conventional pilot tone-aided channel estimation (PTCE), CE-TCS need not change pilot pattern. Simulation results verify that the proposed method achieves a gain of about 2dB for a BER of 10-4 compared to PTCE.
Published in:
Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th
(Volume:5
)
Date of Conference: 26-29 Sept. 2004
- Page(s):
- 3324 - 3327 Vol. 5
- ISSN :
- 1090-3038
- Print ISBN:
- 0-7803-8521-7
- INSPEC Accession Number:
- 8456078
- Digital Object Identifier :
- 10.1109/VETECF.2004.1404679
- Product Type:
- Conference Publications
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