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Optimum ISI and ICI Cancellation Filter for OFDM Systems without CP

Lan YANG
Shixin CHENG

Publication
IEICE TRANSACTIONS on Communications   Vol.E90-B    No.2    pp.364-367
Publication Date: 2007/02/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.2.364
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
ISI,  ICI,  OFDM,  

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Summary: 
In this letter, we consider an Orthogonal Frequency Division Multiplexing (OFDM) system without cyclic prefix (CP), i.e. with full spectral efficiency and present an optimum frequency-domain filtering scheme for mitigating inter-symbol interference (ISI) and inter-carrier interference (ICI). Simulation results show the signal to interference and noise ratio (SINR) improvement.