MOCZ for Blind Short-Packet Communication: Basic Principles

Philipp Walk; Peter Jung; Babak Hassibi

doi:10.1109/twc.2019.2932668

MOCZ for Blind Short-Packet Communication: Basic Principles

Philipp Walk, Peter Jung, Babak Hassibi

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We introduce a novel blind (noncoherent) communication scheme, called modulation on conjugate-reciprocal zeros (MOCZ), pronounced as 'Moxie,' to reliably transmit sporadic short-packets over unknown wireless multipath channels. In MOCZ, the information is modulated onto the zeros of the transmitted discrete-time baseband signal's z- transform, which yields to a codebook of non-orthogonal signals. In the absence of additive noise, the zero structure of the signal is perfectly preserved at the receiver, no matter what the channel impulse response (CIR) is. Furthermore, by a proper selection of the zeros, we show that MOCZ is not only invariant to the CIR but also robust against additive noise. Starting with the maximum-likelihood estimator, we define a low complexity and reliable decoder and compare it to various state-of-the-art noncoherent multipath schemes, such as OFDM index-modulation (IM), OFDM pilot-aided, OFDM differential-modulation, and pulse-position-modulation. Our scheme outperforms all schemes and maintains its performance even if the length becomes shorter than the CIR.

Original language	English (US)
Pages (from-to)	5080-5097
Number of pages	18
Journal	IEEE Transactions on Wireless Communications
Volume	18
Issue number	11
DOIs	https://doi.org/10.1109/twc.2019.2932668
State	Published - Nov 2019
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2021-04-10
Acknowledgements: The work of P. Walk was supported by the Deutsche Forschungsgemeinschaft (DFG) under Project WA 3390/1. The work of P. Jung was supported by DFG under Grant JU 2795/3. The work of B. Hassibi was supported in part by the National Science Foundation under
Grant CNS-0932428, Grant CCF-1018927, Grant CCF-1423663, and Grant CCF-1409204, in part by the Grant from Qualcomm Inc., in part by the NASA’s Jet Propulsion Laboratory through the President and Director’s Fund, and in part by the King Abdullah University of Science and Technology. The associate editor coordinating the review of this article and approving it for publication was T. M. Duman.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

ASJC Scopus subject areas

Applied Mathematics
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/twc.2019.2932668

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title = "MOCZ for Blind Short-Packet Communication: Basic Principles",

abstract = "We introduce a novel blind (noncoherent) communication scheme, called modulation on conjugate-reciprocal zeros (MOCZ), pronounced as 'Moxie,' to reliably transmit sporadic short-packets over unknown wireless multipath channels. In MOCZ, the information is modulated onto the zeros of the transmitted discrete-time baseband signal's z- transform, which yields to a codebook of non-orthogonal signals. In the absence of additive noise, the zero structure of the signal is perfectly preserved at the receiver, no matter what the channel impulse response (CIR) is. Furthermore, by a proper selection of the zeros, we show that MOCZ is not only invariant to the CIR but also robust against additive noise. Starting with the maximum-likelihood estimator, we define a low complexity and reliable decoder and compare it to various state-of-the-art noncoherent multipath schemes, such as OFDM index-modulation (IM), OFDM pilot-aided, OFDM differential-modulation, and pulse-position-modulation. Our scheme outperforms all schemes and maintains its performance even if the length becomes shorter than the CIR.",

author = "Philipp Walk and Peter Jung and Babak Hassibi",

note = "KAUST Repository Item: Exported on 2021-04-10 Acknowledgements: The work of P. Walk was supported by the Deutsche Forschungsgemeinschaft (DFG) under Project WA 3390/1. The work of P. Jung was supported by DFG under Grant JU 2795/3. The work of B. Hassibi was supported in part by the National Science Foundation under Grant CNS-0932428, Grant CCF-1018927, Grant CCF-1423663, and Grant CCF-1409204, in part by the Grant from Qualcomm Inc., in part by the NASA{\textquoteright}s Jet Propulsion Laboratory through the President and Director{\textquoteright}s Fund, and in part by the King Abdullah University of Science and Technology. The associate editor coordinating the review of this article and approving it for publication was T. M. Duman. This publication acknowledges KAUST support, but has no KAUST affiliated authors.",

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N2 - We introduce a novel blind (noncoherent) communication scheme, called modulation on conjugate-reciprocal zeros (MOCZ), pronounced as 'Moxie,' to reliably transmit sporadic short-packets over unknown wireless multipath channels. In MOCZ, the information is modulated onto the zeros of the transmitted discrete-time baseband signal's z- transform, which yields to a codebook of non-orthogonal signals. In the absence of additive noise, the zero structure of the signal is perfectly preserved at the receiver, no matter what the channel impulse response (CIR) is. Furthermore, by a proper selection of the zeros, we show that MOCZ is not only invariant to the CIR but also robust against additive noise. Starting with the maximum-likelihood estimator, we define a low complexity and reliable decoder and compare it to various state-of-the-art noncoherent multipath schemes, such as OFDM index-modulation (IM), OFDM pilot-aided, OFDM differential-modulation, and pulse-position-modulation. Our scheme outperforms all schemes and maintains its performance even if the length becomes shorter than the CIR.

AB - We introduce a novel blind (noncoherent) communication scheme, called modulation on conjugate-reciprocal zeros (MOCZ), pronounced as 'Moxie,' to reliably transmit sporadic short-packets over unknown wireless multipath channels. In MOCZ, the information is modulated onto the zeros of the transmitted discrete-time baseband signal's z- transform, which yields to a codebook of non-orthogonal signals. In the absence of additive noise, the zero structure of the signal is perfectly preserved at the receiver, no matter what the channel impulse response (CIR) is. Furthermore, by a proper selection of the zeros, we show that MOCZ is not only invariant to the CIR but also robust against additive noise. Starting with the maximum-likelihood estimator, we define a low complexity and reliable decoder and compare it to various state-of-the-art noncoherent multipath schemes, such as OFDM index-modulation (IM), OFDM pilot-aided, OFDM differential-modulation, and pulse-position-modulation. Our scheme outperforms all schemes and maintains its performance even if the length becomes shorter than the CIR.

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JO - IEEE Transactions on Wireless Communications

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MOCZ for Blind Short-Packet Communication: Basic Principles

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