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Learning-based Pilot Precoding and Combining for Wideband Millimeter-wave Networks
KTH, School of Electrical Engineering and Computer Science (EECS), Information Science and Engineering.
KTH, School of Electrical Engineering and Computer Science (EECS), Network and Systems engineering.ORCID iD: 0000-0001-6737-0266
KTH, School of Electrical Engineering and Computer Science (EECS), Information Science and Engineering.ORCID iD: 0000-0002-3599-5584
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2017 (English)In: 2017 IEEE 7TH INTERNATIONAL WORKSHOP ON COMPUTATIONAL ADVANCES IN MULTI-SENSOR ADAPTIVE PROCESSING (CAMSAP), IEEE , 2017Conference paper, Published paper (Refereed)
Abstract [en]

This paper proposes an efficient channel estimation scheme with a minimum number of pilots for a frequency-selective millimeter-wave communication system. We model the dynamics of the channel's second-order statistics by a Markov process and develop a learning framework that finds the optimal precoding and combining vectors for pilot signals, given the channel dynamics. Using these vectors, the transmitter and receiver will sequentially estimate the corresponding angles of departure and arrival, and then refine the pilot precoding and combining vectors to minimize the error of estimating the small-scale fading of all subcarriers. Numerical results demonstrate near-optimality of our approach, compared to the oracle wherein the second-order statistics (not the dynamics) are perfectly known a priori.

Place, publisher, year, edition, pages
IEEE , 2017.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-226260ISI: 000428438100090OAI: oai:DiVA.org:kth-226260DiVA, id: diva2:1203730
Conference
CAMSAP 2017) 2017 17th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, December 10-13, 2017 Curacao, Dutch Antilles
Note

QC 20180504

Available from: 2018-05-04 Created: 2018-05-04 Last updated: 2018-05-04Bibliographically approved

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Shokri-Ghadikolaei, HosseinMoghadam, Nima N.Bengtsson, MatsFischione, Carlo

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Olfat, EhsanShokri-Ghadikolaei, HosseinMoghadam, Nima N.Bengtsson, MatsFischione, Carlo
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Information Science and EngineeringNetwork and Systems engineeringKTH
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  • apa
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  • de-DE
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Output format
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