Institut for Forretningsudvikling og Teknologi

Ramjee Prasad

Weighted OFDM for wireless multipath channels

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In this paper the novel method of "weighted OFDM" is addressed. Different types of weighting factors (including Rectangular, Bartlett, Gaussian. Raised cosine, Half-sin and Shanon) are considered. The impact of weighting of OFDM on the peak-to-average power ratio (PAPR) is investigated by means of simulation and is compared for the above mentioned weighting factors. Results show that by weighting of the OFDM signal the PAPR reduces. Bit error performance of weighted multicarrier transmission over a multipath channel is also investigated. Results indicate that there is a trade off between PAPR reduction and bit error performance degradation by weighting.
OriginalsprogEngelsk
TidsskriftIEICE Transactions on Communications
Vol/bindE83B
Nummer8
Sider (fra-til)1864-1872
Antal sider8
ISSN0916-8516
StatusUdgivet - aug. 2000
Eksternt udgivetJa
BegivenhedInternational Conference on Telecommunications (ICT 99) - Cheju, Sydkorea
Varighed: 15 maj 199918 maj 1999

Konference

KonferenceInternational Conference on Telecommunications (ICT 99)
LandSydkorea
ByCheju
Periode15/05/199918/05/1999

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