Performance Analysis of 1-Bit Quantization with Oversampling for Higher-Order Constellations

Forsch C, Zillmann P, Alrabadi O, Brueck S, Gerstacker W (2022)

Publication Type: Conference contribution

Publication year: 2022

Original Authors: Christian Forsch, Peter Zillmann, Osama Alrabadi, Stefan Brueck, Wolfgang Gerstacker

Conference Proceedings Title: Latin-American Conference on Communications (LATINCOM)

Event location: Rio de Janeiro BR

DOI: 10.1109/LATINCOM56090.2022.10000439

Abstract

In this work, we consider a real additive white Gaussian noise (AWGN) channel with 1-bit quantization and oversampling at the receiver side for transmission with higher-order amplitude-shift keying (ASK) constellations. We analytically compute the statistics of the detection variable for arbitrary real inputs and present an optimal as well as a suboptimal detection scheme. Furthermore, we evaluate the symbol error rate (SER) for a 4-ary ASK constellation and different detection schemes as well as oversampling factors. The SER curves show that a reliable communication can be established for higher-order ASK constellations when the oversampling factor is sufficiently high. Then, we optimize the 4-ASK constellation with respect to the SER. The results show that the minimum SER can be decreased significantly by increasing the distance between the inner and outer points of the input constellation. Finally, the results are extended to complex-valued constellations.

Authors with CRIS profile

Christian Forsch Lehrstuhl für Digitale Übertragung Wolfgang Gerstacker Lehrstuhl für Digitale Übertragung

Involved external institutions

Qualcomm CDMA Technologies GmbH DE Germany (DE)

How to cite

APA:

Forsch, C., Zillmann, P., Alrabadi, O., Brueck, S., & Gerstacker, W. (2022). Performance Analysis of 1-Bit Quantization with Oversampling for Higher-Order Constellations. In IEEE Xplore (Eds.), Latin-American Conference on Communications (LATINCOM). Rio de Janeiro, BR.

MLA:

Forsch, Christian, et al. "Performance Analysis of 1-Bit Quantization with Oversampling for Higher-Order Constellations." Proceedings of the 2022 IEEE Latin-American Conference on Communications (LATINCOM), Rio de Janeiro Ed. IEEE Xplore, 2022.

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