NDLI: Achievable sum-rate of multiuser massive MIMO downlink in ricean fading channels

Content Provider	IEEE Xplore Digital Library
Author	Weiqiang Tan Shi Jin Jue Wang Matthaiou, M.
Copyright Year	2015
Description	Author affiliation: Sch. of Electron., Electr. Eng. & Comput. Sci., Queen's Univ. Belfast, Belfast, UK (Matthaiou, M.) \|\| Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China (Weiqiang Tan; Shi Jin) \|\| Sch. of Electron. & Inf. Eng., Nantong Univ., Nantong, China (Jue Wang)
Abstract	We investigate the achievable ergodic sum-rate of multi-user multiple-input multiple-output systems in Ricean fading channels. We first derive a lower bound on the average signal-to-leakage-and-noise ratio by utilizing the Mullen's inequality, which is then used to analyze the effect of channel mean information on the achievable sum-rate. With these results, a novel statistical-eigenmode space-division multipleaccess downlink transmission scheme is proposed. For this scheme, we derive an exact closed-form expression for the achievable ergodic sum-rate. Our results show that the achievable ergodic sum-rate converges to a saturation value in the high signal-to-noise ratio (SNR) region and reaches to a lower limit value in the lower Ricean K-factor range. In addition, we present tractable upper and lower bounds, which are shown to be tight for any SNR and Ricean K-factor value. Finally, the theoretical analysis is validated via numerical simulations.
Starting Page	1453
Ending Page	1458
File Size	248659
Page Count	6
File Format	PDF
e-ISBN	9781467364324
DOI	10.1109/ICC.2015.7248528
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal to noise ratio Fading Downlink MIMO Upper bound Wireless communication Array signal processing
Content Type	Text
Resource Type	Article

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