Multi-User Detection Based on Expectation Propagation for the Non-Coherent SIMO Multiple Access Channel Article Swipe
Khac–Hoang Ngo
,
Maxime Guillaud
,
Alexis Decurninge
,
Sheng Yang
,
Philip Schniter
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1109/twc.2020.3000419
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1109/twc.2020.3000419
We consider the non-coherent single-input multiple-output (SIMO) multiple access channel with general signaling under spatially correlated Rayleigh block fading. We propose a novel soft-output multi-user detector that computes an approximate marginal posterior of each transmitted signal using only the knowledge about the channel distribution. Our detector is based on expectation propagation (EP) approximate inference and has polynomial complexity in the number of users, the number of receive antennas, and channel coherence time. We also propose two simplifications of this detector with reduced complexity. With Grassmannian signaling, the proposed detectors outperform a state-of-the-art non-coherent detector with projection-based interference mitigation. With pilot-assisted signaling, the EP detector outperforms, in terms of symbol error rate, some conventional coherent pilot-based detectors, including a sphere decoder and a joint channel estimation-data detection scheme. Our EP-based detectors produce accurate approximates of the true posterior leading to high achievable sum-rates. The gains of these detectors are further observed in terms of the bit error rate when using their soft outputs for a turbo channel decoder.
Related Topics
Concepts
Detector
Channel (broadcasting)
Expectation propagation
Computer science
Algorithm
Interference (communication)
Coherence (philosophical gambling strategy)
Rayleigh fading
Bit error rate
Fading
Electronic engineering
Decoding methods
Telecommunications
Mathematics
Physics
Statistics
Gaussian
Engineering
Gaussian process
Quantum mechanics
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.1109/twc.2020.3000419
- OA Status
- green
- Cited By
- 4
- References
- 43
- Related Works
- 20
- OpenAlex ID
- https://openalex.org/W2946477134
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2946477134Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1109/twc.2020.3000419Digital Object Identifier
- Title
-
Multi-User Detection Based on Expectation Propagation for the Non-Coherent SIMO Multiple Access ChannelWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2020Year of publication
- Publication date
-
2020-06-12Full publication date if available
- Authors
-
Khac–Hoang Ngo, Maxime Guillaud, Alexis Decurninge, Sheng Yang, Philip SchniterList of authors in order
- Landing page
-
https://doi.org/10.1109/twc.2020.3000419Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://arxiv.org/pdf/1905.11152.pdfDirect OA link when available
- Concepts
-
Detector, Channel (broadcasting), Expectation propagation, Computer science, Algorithm, Interference (communication), Coherence (philosophical gambling strategy), Rayleigh fading, Bit error rate, Fading, Electronic engineering, Decoding methods, Telecommunications, Mathematics, Physics, Statistics, Gaussian, Engineering, Gaussian process, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
4Total citation count in OpenAlex
- Citations by year (recent)
-
2022: 2, 2020: 2Per-year citation counts (last 5 years)
- References (count)
-
43Number of works referenced by this work
- Related works (count)
-
20Other works algorithmically related by OpenAlex
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