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Detection Based on Relaxation in MIMO Systems

Detection Based on Relaxation in MIMO Systems

Joakim Jaldén, Björn Ottersten
Copyright: © 2009 |Pages: 20
ISBN13: 9781599049885|ISBN10: 1599049880|ISBN13 Softcover: 9781616927479|EISBN13: 9781599049892
DOI: 10.4018/978-1-59904-988-5.ch015
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MLA

Jaldén, Joakim, and Björn Ottersten. "Detection Based on Relaxation in MIMO Systems." Handbook on Advancements in Smart Antenna Technologies for Wireless Networks, edited by Chen Sun, et al., IGI Global, 2009, pp. 308-327. https://doi.org/10.4018/978-1-59904-988-5.ch015

APA

Jaldén, J. & Ottersten, B. (2009). Detection Based on Relaxation in MIMO Systems. In C. Sun, J. Cheng, & T. Ohira (Eds.), Handbook on Advancements in Smart Antenna Technologies for Wireless Networks (pp. 308-327). IGI Global. https://doi.org/10.4018/978-1-59904-988-5.ch015

Chicago

Jaldén, Joakim, and Björn Ottersten. "Detection Based on Relaxation in MIMO Systems." In Handbook on Advancements in Smart Antenna Technologies for Wireless Networks, edited by Chen Sun, Jun Cheng, and Takashi Ohira, 308-327. Hershey, PA: IGI Global, 2009. https://doi.org/10.4018/978-1-59904-988-5.ch015

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Abstract

This chapter takes a closer look at a class of MIMO detention methods, collectively referred to as relaxation detectors. These detectors provide computationally advantageous alternatives to the optimal maximum likelihood detector. Previous analysis of relaxation detectors have mainly focused on the implementation aspects, while resorting to Monte Carlo simulations when it comes to investigating their performance in terms of error probability. The objective of this chapter is to illustrate how the performance of any detector in this class can be readily quantified thought its diversity gain when applied to an i.i.d. Rayleigh fading channel, and to show that the diversity gain is often surprisingly simple to derive based on the geometrical properties of the detector.

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