Olli Väänänen

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This material is posted here with permission of the IEEE. Such permission of the IEEE d oe s n ot i n an y w ay i m pl y I E E E e n d or s em en t of an y of Hel si n ki Un i v e r si ty of Technology's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or(More)
In conventional base station solutions, the carriers transmitted are combined after the power amplifiers. An alternative to this is to combine the carriers in the digital domain. The major drawback of the digital carrier combining is a strongly varying envelope of the composite signal. The high PAR sets strict requirements for the linearity of the power(More)
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