NDLI: Performance evaluation of a downlink MIMO wideband code-division multiple access-based radio-over-fibre system using Alamouti space-time block code

Content Provider	IET Digital Library
Author	Baghersalimi, Gholamreza Rahimi, Mohammad Nassiri, Mahdi
Abstract	In this work, the effect of a radio-over-fibre (RoF) subsystem on the bit error rate (BER), total degradation (TD) and system capacity performances of downlink multiple-input multiple-output (MIMO) wideband code division multiple access (WCDMA) are assessed. The research investigates the use of maximal ratio combining (MRC) in single-input multiple-output (SIMO) schemes and Alamouti space-time block coding (STBC) in MIMO systems to compensate for the collective effects of the optical subsystem and the radio channel for different channel conditions and number of users. Results show that the aforementioned techniques are effective methods to compensate for both the non-linearity of the optical subsystem and the time-varying wireless radio frequency (RF) channel. It is also demonstrated that by increasing the number of users for severe non-linearity conditions, the BER performance of the system is significantly affected. Also, an appropriate quiescent point can always be found for the optical subsystem which improves the system performance irrespective of different conditions.
Starting Page	955
Ending Page	962
Page Count	8
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 8, May (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5390
Journal	IET Communications
Publisher Date	2019-01-31
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Alamouti Space-time Block Code Alamouti Space-time Block Coding BER Performance Block Codes Code Code Division Multiple Access Collective Effects Different Channel Condition Diversity Reception Downlink MIMO Downlink Multiple-input Multiple-output Effective Method Error Statistics Interpolation And Function Approximation MIMO Communication MIMO System Multiple Access Communication Numerical Analysis Optical Subsystem Performance Evaluation Radio Channel Radio Link Radio Link And Equipment Radio Over Fibre Radio Receiver Radio-over-fibre Subsystem Single-input Multiple-output Scheme Space-time Code Statistics System Performance Irrespective Time-varying Wireless Radio Frequency Wideband Code-division Multiple Access-based Radio-over-fibre System Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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