Analog MIMO detection on the basis of Belief Propagation

J Soler Garrido; RJ Piechocki; K Maharatna; DP McNamara

doi:10.1109/MWSCAS.2006.382205

Analog MIMO detection on the basis of Belief Propagation

J Soler Garrido
, RJ Piechocki
, K Maharatna
, DP McNamara

Communication Systems and Networks

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

21 Citations (Scopus)

578 Downloads (Pure)

Abstract

In this article we present the design of an analog detector for Multiple-Input Multiple-Output (NIMO) wireless systems, based on the well known Belief Propagation (BP) algorithm. BP has been shown to obtain excellent results when solving inference problems in sparsely connected factor graphs. Unfortunately, MIMO detection is an example of inference in a densely connected graph, so other techniques need to be applied. We show that BP in conjunction with simulated annealing can offer near optimal performance when there is enough diversity in the receiver. Interestingly, this algorithm can be easily mapped into analog circuitry, thus leading to potentially low-power area-efficient MIMO detectors. A small analog detector based on this work has been designed and laid out in a 0.25Â¿m BiCMOS process.

Translated title of the contribution	Analog MIMO detection on the basis of Belief Propagation
Original language	English
Title of host publication	49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	50 - 54
Number of pages	4
Volume	2
DOIs	https://doi.org/10.1109/MWSCAS.2006.382205
Publication status	Published - 6 Aug 2006
Event	49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06) - San Juan, Puerto Rico Duration: 6 Aug 2006 → …

Publication series

Name	IEEE International Midwest Symposium on Circuits and Systems
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
ISSN (Print)	1548-3746

Conference

Conference	49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06)
Country/Territory	Puerto Rico
City	San Juan
Period	6/08/06 → …

Bibliographical note

Publisher: Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Name and Venue of Conference: 49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06) , San Juan, USA
Name and Venue of Event: 49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06)
Rose publication type: Conference contribution

Sponsorship: This research is sponsored by Toshiba TRL.

Terms of use: Copyright © 2006 IEEE. Reprinted from IEEE 49th International Midwest Symposium on
Circuits and Systems, 2006 (MWSCAS '06). This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to [email protected].

By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Keywords

Multiple-Input Multiple-Output (NIMO)
analog
belief propagation (BP)

Access to Document

10.1109/MWSCAS.2006.382205

Garrido Circuits and Systems aug2006Accepted author manuscript, 7.76 MB

http://hdl.handle.net/1983/1025

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Cite this

Soler Garrido, J., Piechocki, RJ., Maharatna, K., & McNamara, DP. (2006). Analog MIMO detection on the basis of Belief Propagation. In 49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06) (Vol. 2, pp. 50 - 54). (IEEE International Midwest Symposium on Circuits and Systems). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/MWSCAS.2006.382205

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abstract = "In this article we present the design of an analog detector for Multiple-Input Multiple-Output (NIMO) wireless systems, based on the well known Belief Propagation (BP) algorithm. BP has been shown to obtain excellent results when solving inference problems in sparsely connected factor graphs. Unfortunately, MIMO detection is an example of inference in a densely connected graph, so other techniques need to be applied. We show that BP in conjunction with simulated annealing can offer near optimal performance when there is enough diversity in the receiver. Interestingly, this algorithm can be easily mapped into analog circuitry, thus leading to potentially low-power area-efficient MIMO detectors. A small analog detector based on this work has been designed and laid out in a 0.25{\^A}¿m BiCMOS process.",

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Soler Garrido, J, Piechocki, RJ, Maharatna, K & McNamara, DP 2006, Analog MIMO detection on the basis of Belief Propagation. in 49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06). vol. 2, IEEE International Midwest Symposium on Circuits and Systems, Institute of Electrical and Electronics Engineers (IEEE), pp. 50 - 54, 49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06), San Juan, Puerto Rico, 6/08/06. https://doi.org/10.1109/MWSCAS.2006.382205

Analog MIMO detection on the basis of Belief Propagation. / Soler Garrido, J; Piechocki, RJ; Maharatna, K et al.
49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06). Vol. 2 Institute of Electrical and Electronics Engineers (IEEE), 2006. p. 50 - 54 (IEEE International Midwest Symposium on Circuits and Systems).

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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N2 - In this article we present the design of an analog detector for Multiple-Input Multiple-Output (NIMO) wireless systems, based on the well known Belief Propagation (BP) algorithm. BP has been shown to obtain excellent results when solving inference problems in sparsely connected factor graphs. Unfortunately, MIMO detection is an example of inference in a densely connected graph, so other techniques need to be applied. We show that BP in conjunction with simulated annealing can offer near optimal performance when there is enough diversity in the receiver. Interestingly, this algorithm can be easily mapped into analog circuitry, thus leading to potentially low-power area-efficient MIMO detectors. A small analog detector based on this work has been designed and laid out in a 0.25Â¿m BiCMOS process.

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Soler Garrido J, Piechocki RJ, Maharatna K, McNamara DP. Analog MIMO detection on the basis of Belief Propagation. In 49th IEEE International Midwest Symposium on Circuits and Systems, 2006 (MWSCAS '06). Vol. 2. Institute of Electrical and Electronics Engineers (IEEE). 2006. p. 50 - 54. (IEEE International Midwest Symposium on Circuits and Systems). doi: 10.1109/MWSCAS.2006.382205

Analog MIMO detection on the basis of Belief Propagation

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Keywords

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