Energy-Limited Joint Source-Channel Coding via Analog Pulse Position Modulation

We study the problem of transmitting a source sample with minimum distortion over an infinite-bandwidth additive white Gaussian noise channel under an energy constraint. To that end, we construct a joint source-channel coding scheme using analog pulse position modulation (PPM) and bound its quadrati...

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Veröffentlicht in:IEEE transactions on communications Jg. 70; H. 8; S. 5140 - 5150
Hauptverfasser: Lev, Omri, Khina, Anatoly
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.08.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Bandwidth
Coding
Distortion
Distortion measurement
energy constraint
Energy limitation
Gaussian channel
infinite bandwidth
Joint source–channel coding
Modulation
Polynomials
Pulse position modulation
Random noise
Receivers
Time measurement
Upper bound
ISSN:0090-6778, 1558-0857
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Zusammenfassung:We study the problem of transmitting a source sample with minimum distortion over an infinite-bandwidth additive white Gaussian noise channel under an energy constraint. To that end, we construct a joint source-channel coding scheme using analog pulse position modulation (PPM) and bound its quadratic distortion. We show that this scheme outperforms existing techniques, since its quadratic distortion attains both the exponential and polynomial decay orders of Burnashev's outer bound. We supplement our theoretical results with numerical simulations and comparison to existing schemes.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2022.3181259