Ici Radio Francophonie
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 کاملNew ICI reduction schemes for OFDM system
AbstruclOrthogonal Frequency Division Multiplexing (OFDM) is sensitive to the carrier frequency offset (CFO). We introduce the Peak Interference-to-Carrier Ratio (PICR) to measure the resulting intercarrier interference (ICI). This paper shows that the PICR can be reduced by coding to select only those messages with low PICR as valid codewords. While explicit constructions of higher-rate, ICI-s...
متن کاملICI and PAPR Control for OFDM Systems
Lately, there has been a surge in demand for wireless and mobile communications services, such as wireless local area networks (LANs), digital video broadcasting (DVB), digital audio broadcasting (DAB), mobile satellite services, wireless data networks and wireless asynchronous transfer mode (ATM) networking. Emerging wireless radio techniques are expected to use lowcost, portable devices and o...
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 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 ...
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ژورنال
عنوان ژورنال: Voix Plurielles
سال: 2012
ISSN: 1925-0614
DOI: 10.26522/vp.v9i1.604