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Resource allocation for OCI reduction in OFDM-based asynchronous cellular systems

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Authors
Lee, Jin-Woo; Lee, Yong-Hwan
Issue Date
2007-04
Publisher
Institute of Electrical and Electronics Engineers
Citation
VTC2007-Spring. IEEE 65th Vehicular Technology Conference, 2007
Keywords
Resource AllocationOCI ReductionOFDMAsynchronousCP
Abstract
Orthogonal frequency division multiplexing (OFDM)
is considered as one of the most promising techniques for next
generation mobile systems. When the OFDM is applied to cellular
environments, it may suffer from so-called other-cell interference
(OCI). In this paper, we propose a novel resource allocation
scheme in OFDM-based asynchronous cellular systems. It can
reduce the OCI by exploiting the repetitive property of a cyclic
prefix (CP) of OFDM symbols. The proposed scheme can be
applied to OFDM-frequency division multiple access (FDMA) and
OFDM-code division multiple access (CDMA) systems. Computer
simulation results show that the proposed scheme can reduce the
OCI by nearly up to 1dB in a typical cellular OFDM environment,
compared to the conventional scheme.
Language
English
URI
http://www.ieeevtc.org/vtc2007spring

http://hdl.handle.net/10371/7119
DOI
https://doi.org/10.1109/VETECS.2007.402
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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