The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In order to solve the high Peak-to-Average Power ratio (PAPR) problem in high speed wireless system, a hybrid PAPR reduction method is produced in this paper. By using both Tone Reservation (TR) and Selected Mapping (SLM) techniques we can develop an optimal and simple PAPR reduction technique for high-speed wireless OFDM systems. TR is very simple to implement, but requires an extra negligible complexity...
In this paper, we first propose a novel clipping, named as repeated enlipping (RE) scheme. Then, we integrate the proposed RE scheme into the conventional active constellation extension (ACE) scheme, called as ACE-RE scheme, to reduce the peak-to-average power ratio (PAPR) of the orthogonal frequency division multiplexing (OFDM) signals. The proposed ACE-RE scheme may greatly improve the convergence...
This paper discusses the performance of the wavelet based filtered multi-tone (WFMT) modulation. The novel WFMT modulation was proposed in 2003 for improving characteristics of wireless and DSL multicarrier systems. In this paper we describe a main idea of WFMT and discuss the advantages of this novel modulation. The WFMT modulation in comparison with OFDM and DMT has low level of out-of-band side...
Correlative minimum shift keying (MSK), a second order polynomial modulation scheme known as tamed frequency modulation (TFM), is a constant envelope type of modulation with a perfect peak to average power ratio (PAPR), besides the property of low out of band power. We apply the linearized TFM to the single carrier transmission with frequency domain equalization (SC/FDE) concept. We then obtain a...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.