Skip to Main content Skip to Navigation
Journal articles

Adaptive Wavelet Packet Modulation

Abstract : In this paper, we propose a new adaptive modulation based on the wavelet packet transform, which targets a good resistance against frequency selective channels while avoiding a large PAPR. Classical multi-carrier modulation schemes divide the channel bandwidth into narrowband sub-channels to improve its robustness against frequency selective fading. However, they suffer from the peak-to-average power ratio (PAPR) problem which occurs due to a random constructive addition of sub-carriers. By contrast, single carrier modulation schemes, where each transmitted symbol fully occupies the bandwidth, are more sensitive to frequency selective environments and less affected by the PAPR problem. In this work, we show how the bandwidth division can be reconfigurable and adapted to the channel properties, and we provide several examples to prove that the proposed adaptive modulation represents an alternative modulation which is adjustable between two extreme cases: single carrier modulation and classical multi-carrier modulation.
Document type :
Journal articles
Complete list of metadatas

Cited literature [32 references]  Display  Hide  Download
Contributor : Marwa Chafii <>
Submitted on : Tuesday, February 20, 2018 - 10:55:27 PM
Last modification on : Monday, October 5, 2020 - 9:50:26 AM
Long-term archiving on: : Monday, May 21, 2018 - 2:22:42 PM


Files produced by the author(s)



Marwa Chafii, Jacques Palicot, Rémi Gribonval, Faouzi Bader. Adaptive Wavelet Packet Modulation. IEEE Transactions on Communications, Institute of Electrical and Electronics Engineers, 2018, 66 (7), pp.2947-2957. ⟨10.1109/TCOMM.2018.2809586⟩. ⟨hal-01713821⟩



Record views


Files downloads