Effective rate maximization in large MIMO multiuser system

Ilgyu Choi; Chungyong Lee

doi:10.1109/CEWIT.2012.6606978

Effective rate maximization in large MIMO multiuser system

Ilgyu Choi, Chungyong Lee

Department of Electrical and Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Large MIMO system can achieve high data rate with simple linear transceiver. However, for this advantage, long time is required to estimate channel state information (CSI) at base station (BS). When estimation time is not negligible in coherence time, there exists tradeoff between estimation and data transmission. With long estimation time, data rate increases, but data transmission time decreases. Otherwise, with short estimation time, data rate decreases, but data transmission time increases. Therefore, maximizing not data rate itself but effective rate is required in large MIMO system. We mathematize an effective rate problem in a reasonable large MIMO system, and prove its concavity and find the optimal tradeoff point.

Original language	English
Title of host publication	2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012
Publisher	IEEE Computer Society
ISBN (Print)	9781467325042
DOIs	https://doi.org/10.1109/CEWIT.2012.6606978
Publication status	Published - 2012 Jan 1
Event	2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012 - Incheon, Korea, Republic of Duration: 2012 Nov 5 → 2012 Nov 6

Publication series

Name	2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012

Other

Other	2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012
Country	Korea, Republic of
City	Incheon
Period	12/11/5 → 12/11/6

All Science Journal Classification (ASJC) codes

Computer Networks and Communications

Access to Document

10.1109/CEWIT.2012.6606978

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Choi, I., & Lee, C. (2012). Effective rate maximization in large MIMO multiuser system. In 2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012 [6606978] (2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012). IEEE Computer Society. https://doi.org/10.1109/CEWIT.2012.6606978

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abstract = "Large MIMO system can achieve high data rate with simple linear transceiver. However, for this advantage, long time is required to estimate channel state information (CSI) at base station (BS). When estimation time is not negligible in coherence time, there exists tradeoff between estimation and data transmission. With long estimation time, data rate increases, but data transmission time decreases. Otherwise, with short estimation time, data rate decreases, but data transmission time increases. Therefore, maximizing not data rate itself but effective rate is required in large MIMO system. We mathematize an effective rate problem in a reasonable large MIMO system, and prove its concavity and find the optimal tradeoff point.",

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Choi, I & Lee, C 2012, Effective rate maximization in large MIMO multiuser system. in 2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012., 6606978, 2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012, IEEE Computer Society, 2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012, Incheon, Korea, Republic of, 12/11/5. https://doi.org/10.1109/CEWIT.2012.6606978

Effective rate maximization in large MIMO multiuser system. / Choi, Ilgyu; Lee, Chungyong.

2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012. IEEE Computer Society, 2012. 6606978 (2012 9th International Conference and Expo on Emerging Technologies for a Smarter World, CEWIT 2012).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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