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Publikováno v:
2009 International Conference on Wireless Communications & Signal Processing.
Wireless channels are inherently time-varying due to many different factors, such as fading, shadowing, multipath effects, etc. In practice, it is too complicated to completely capture these factors in a single theoretical framework. Therefore, many
Autor:
Wenchao Xu, Shuyang Yu
Publikováno v:
2009 International Conference on Wireless Communications & Signal Processing.
One of the major drawbacks in Orthogonal Frequency Division Multiplexing (OFDM) is its high Peak-to-Average Power Ratio (PAR). Clipping and filtering is the simplest and most effective method to reduce PAR for OFDM. But clipping and filtering gives r