Mitigation of ICI Through Optimized SSR ICI Self Cancellation Scheme in OFDM
نویسندگان
چکیده
منابع مشابه
Ber Analysis of Mitigation of Ici through Ici Self Cancellation Scheme in Ofdm Systems
OFDM is a multicarrier modulation technique in which a high rate bitstream is split into N parallel bitstreams of lower rate and each of these are modulated using one of N orthogonal sub-carriers. In a basic communication system, the date is modulated onto a single carrier frequency. The available bandwidth is then totally occupied by each symbol. This kind of system can lead to intersymbol-int...
متن کاملPilot-Aided ICI Self-Cancellation Scheme for OFDM Systems
In this paper, a novel pilot-aided inter-carrier interference (ICI) self-cancellation scheme is proposed for use in orthogonal frequency division multiplexing (OFDM) systems. The proposed scheme maps both modulated data symbols and pre-defined pilot symbols onto nonneighboring sub-carriers with weighting coefficients of +1 and -1. With the aid of pilot symbols, a more accurate estimation of fre...
متن کاملEfficient ICI Self - Cancellation Scheme for OFDM Systems Kyung -
© 2014 Kyung-Hwa Kim and Bangwon Seo 537 http://dx.doi.org/10.4218/etrij.14.0113.0747 In this paper, we present a new inter-carrier interference (ICI) self-cancellation scheme — namely, ISC scheme — for orthogonal frequency-division multiplexing systems to reduce the ICI generated from phase noise (PHN) and residual frequency offset (RFO). The proposed scheme comprises a new ICI cancellation ma...
متن کاملICI Self – Cancellation for FFT-OFDM System
Orthogonal frequency division multiplexing (OFDM) is the projected modulation of choice for fourth-generation broadband multimedia wireless systems. OFDM based wireless systems are spectrally efficient but they are vulnerable to Inter carrier interference (ICI). The rapid variation of the channel can induce ICI. ICI will significantly increase the difficulty of OFDM channel estimation. ICI due ...
متن کاملStudy of ICI Cancellation techniques in OFDM
Abstract: OFDM (Orthogonal frequency division multiplexing) is a well known technique in 4G Broadband wireless communication systems. OFDM has high spectral efficiency but it suffers from frequency offset problem due to the difference between transmitter and receiver local oscillator frequencies which causes loss of orthogonality between subcarriers leading to ICI. This degrades the performance...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Journal of Computer Engineering in Research Trends
سال: 2016
ISSN: 2349-7084
DOI: 10.22362/ijcert/2016/v3/i9/48867