NDLI: Channel-based antenna synthesis for improved in-vehicle UWB MB-OFDM communications

Content Provider	IET Digital Library
Author	Sharma, Ashwani Zuazola, Ignacio J. Garcia Martnez, Ramón Perallos, Asier Batchelor, John C.
Abstract	Ultra-wide band (UWB) is an attractive technology for innovative in-vehicle wireless communications requiring high data rates and multiband orthogonal frequency division multiplexing (MB-OFDM) a suitable scheme for the accomplishment due to its high performance, low-power and low-cost characteristics. To contribute toward improved UWB MB-OFDM communications inside vehicles, a channel-based antenna synthesis technique to customise in-vehicle UWB antennas that reduce ‘blind spots’ in the communication channel is proposed and presented. For the realisation, a comprehensive analysis was utilised and comprised an in-car channel evaluation including bit-error-rate (BER) estimations and radiation pattern-and-source syntheses. The channel was measured using a standard antenna to set up the base of the experiments and the distribution of the impulse responses and signal-to-noise ratios in the vehicle's passenger plane shown. The currently available IEEE 802.15.3a channel models were perceived unrealistic for the in-vehicle application and the reason for measuring the channel practically. Using these specific channel measurements, the synthesised pattern is unveiled and consequently the channel-based antenna synthesis technique used to predict the antenna source. The antenna with optimised pattern-and-source showed an improved BER performance compared with the standard antenna in this application; that is, a figure of merit of 37.73% minimised ‘blind spots’.
Starting Page	1358
Ending Page	1367
Page Count	10
ISSN	17518725
Volume Number	13
e-ISSN	17518733
Issue Number	Issue 9, Jul (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/13/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2018.5735
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2019-03-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Source Channel Model Channel-based Antenna Synthesis Technique Communication Channel Current 3.0 A Error Statistics High Data Rates High Performance Improved BER Performance Improved In-vehicle UWB MB-OFDM Communication Improved UWB MB-OFDM Communication In-car Channel Evaluation Including Bit-error-rate In-vehicle Application In-vehicle UWB Antenna Low-cost Characteristic Modulation And Coding Method Multiband Orthogonal Frequency Division OFDM Modulation Personal Area Network Radiation Pattern Radio Link And Equipment Single Antenna Source Syntheses Specific Channel Measurement Standard Antenna Statistics Ultra Wideband Antenna Ultra Wideband Communication Ultra-wide Band Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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