Analysis of Intercarrier Interference Cancellation Scheme in OFDM Systems | Zendy

Nasir Salh Almisbah | Zendy; E. Saad | Zendy

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Analysis of Intercarrier Interference Cancellation Scheme in OFDM Systems

Author(s) -

Nasir Salh Almisbah,

E. Saad

Publication year - 2012

Publication title -

computer engineering and applications journal

Language(s) - English

Resource type - Journals

eISSN - 2252-5459

pISSN - 2252-4274

DOI - 10.18495/comengapp.v1i1.2

Subject(s) - orthogonal frequency division multiplexing , subcarrier , carrier frequency offset , single antenna interference cancellation , frequency offset , interference (communication) , computer science , electronic engineering , offset (computer science) , telecommunications , adjacent channel interference , scheme (mathematics) , engineering , mathematics , channel (broadcasting) , programming language , mathematical analysis

Orthogonal Frequency Division Multiplexing (OFDM) is an emerging multi-carrier modulation scheme, which has been adopted for several wireless standards such as IEEE 802.11a and HiperLAN2. In OFDM systems, the performance is very sensitive to subcarrier frequency errors (offset). This paper shows the analysis and derivations of intercarrier interference (ICI) complex gain that used in self-cancellation scheme and its dependence on subcarrier frequency offset. Simulation shows that better improvement in performance is achieved for systems that use this cancellation scheme. Moreover, analysis and simulation show that theoretical carrier-to-interference ratio (CIR) for OFDM with cancellation scheme is greater than conventional one by more than 14dB. DOI: 10.18495/comengapp.11.013023

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