ARMA companding scheme with improved symbol error rate for PAPR reduction in OFDM systems

Yasir Rahmatallah, Nidhal Bouaynaya, Seshadri Mohan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This paper proposes a new nonlinear companding scheme with reduced symbol error rate (SER) that can be used to reduce peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) systems. The proposed system outperforms conventional companding systems using the same nonlinear companding functions with respect to SER without impairing PAPR reduction capability. The proposed system estimates a few autoregressive moving average (ARMA) model parameters of the difference signal between the companded and uncompanded OFDM envelopes and passes these parameters to the receiver. Upon receiving the ARMA model parameters, the receiver regenerates the difference signal and then adds it to the received companded OFDM envelope to recover the uncompanded OFDM signal. The traditional schemes employ decompanding process instead to reconstruct the uncompanded OFDM signal. Mathematical proofs and simulation results for three typical nonlinear companding functions show that, under mild sufficient conditions, the proposed scheme outperforms the conventional schemes with respect to SER performance without impairing PAPR reduction capability.

Original languageEnglish (US)
Title of host publication2010 Wireless Telecommunications Symposium, WTS 2010
DOIs
StatePublished - Jul 13 2010
Externally publishedYes
Event9th Annual Wireless Telecommunications Symposium, WTS 2010 - Tampa, FL, United States
Duration: Apr 21 2010Apr 23 2010

Other

Other9th Annual Wireless Telecommunications Symposium, WTS 2010
CountryUnited States
CityTampa, FL
Period4/21/104/23/10

Fingerprint

Orthogonal frequency division multiplexing

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

Cite this

Rahmatallah, Y., Bouaynaya, N., & Mohan, S. (2010). ARMA companding scheme with improved symbol error rate for PAPR reduction in OFDM systems. In 2010 Wireless Telecommunications Symposium, WTS 2010 [5479631] https://doi.org/10.1109/WTS.2010.5479631
Rahmatallah, Yasir ; Bouaynaya, Nidhal ; Mohan, Seshadri. / ARMA companding scheme with improved symbol error rate for PAPR reduction in OFDM systems. 2010 Wireless Telecommunications Symposium, WTS 2010. 2010.
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Rahmatallah, Y, Bouaynaya, N & Mohan, S 2010, ARMA companding scheme with improved symbol error rate for PAPR reduction in OFDM systems. in 2010 Wireless Telecommunications Symposium, WTS 2010., 5479631, 9th Annual Wireless Telecommunications Symposium, WTS 2010, Tampa, FL, United States, 4/21/10. https://doi.org/10.1109/WTS.2010.5479631

ARMA companding scheme with improved symbol error rate for PAPR reduction in OFDM systems. / Rahmatallah, Yasir; Bouaynaya, Nidhal; Mohan, Seshadri.

2010 Wireless Telecommunications Symposium, WTS 2010. 2010. 5479631.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Rahmatallah Y, Bouaynaya N, Mohan S. ARMA companding scheme with improved symbol error rate for PAPR reduction in OFDM systems. In 2010 Wireless Telecommunications Symposium, WTS 2010. 2010. 5479631 https://doi.org/10.1109/WTS.2010.5479631