Abstract
We propose a rate-lossless technique for reducing the peak-to-average power ratio (PAPR) in orthogonal frequency-division multiplexing systems employing antenna selection on a per-subcarrier basis. The proposed technique, which is from the family of the active constellation extension (ACE) approach to PAPR reduction, exploits the nulled subcarriers (for a given antenna) that arise through the antenna selection process to reduce the PAPR by introducing a controlled level of distortion to these subcarriers. We show that the new scheme is capable of achieving a much lower PAPR than traditional ACE methods applied to per-subcarrier antenna selection systems. Moreover, we demonstrate through simulation analyses that the distortion transmitted on the nulled subcarriers will not hinder practical system performance.
Original language | English |
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Title of host publication | IEEE 6th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), 2010 |
Place of Publication | NEW YORK |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Pages | 570-574 |
Number of pages | 5 |
ISBN (Print) | 978-1-4244-7742-5 |
Publication status | Published - 2010 |
Event | IEEE International Conference on Communications, 2008 (ICC '08) - Beijing., China Duration: 19 May 2008 → 23 May 2008 |
Conference
Conference | IEEE International Conference on Communications, 2008 (ICC '08) |
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Country/Territory | China |
City | Beijing. |
Period | 19/05/08 → 23/05/08 |