Analog Radio-over-Fiber Supported Increased RAU Spacing for 60GHz Distributed MIMO employing Spatial Diversity and Multiplexing

Habib, Usman and Aighobahi, Anthony Efosa and Quinlan, Terence and Walker, Stuart D and Gomes, Nathan J. (2018) Analog Radio-over-Fiber Supported Increased RAU Spacing for 60GHz Distributed MIMO employing Spatial Diversity and Multiplexing. Journal of Lightwave Technology, . ISSN 0733-8724. (doi:https://doi.org/10.1109/JLT.2018.2832028) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided)

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Abstract

The improvements in coverage through spatial diversity and increased data rates through spatial multiplexing using a distributed Multiple-Input Multiple-Output (MIMO) system are important targets for future wireless communications. Here, the appropriate separation of Remote Antenna Units (RAUs) at several user locations in a millimeter-wave system is demonstrated. An analog Radio over Fiber (RoF) fronthaul is used to achieve flexible spacing of distributed RAUs and transports two Gb/s data streams over 2.2km of fiber and up to 8m of 60 GHz wireless transmission distance. A performance comparison is performed between Single-Input Single-Output (SISO) and MIMO operation using different antenna spacing and transmission distance. Results show that the wider RAU spacing enabled by the RoF distribution provides improved results at longer distances, for both spatial diversity and for spatial multiplexing. Verification of a method for measuring each channel coefficient individually and using subsequent MIMO processing on these coefficients, enables an extension to the results showing the feasibility of 30m indoor transmission.

Item Type: Article
Uncontrolled keywords: Radio-over-Fiber (RoF), Millimeter Wave (mmW), Multiple-input Multiple-output (MIMO)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunications > TK5103.4 Broadband (inc wireless broadband)
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunications > TK5103.59 Optical communications, Fibre-optics
Divisions: Faculties > Sciences > School of Engineering and Digital Arts
Depositing User: Nathan Gomes
Date Deposited: 30 Apr 2018 16:21 UTC
Last Modified: 20 Nov 2018 16:55 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/66878 (The current URI for this page, for reference purposes)
Gomes, Nathan J.: https://orcid.org/0000-0003-3763-3699
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