## 5 Proposed Adaptive Beaconing System
### Characterization of Node Distribution
#### 5.2.3 Defuzzification
; project administration, I.M. All authors have read and agreed to the published version of the manuscript. This research received no external funding. Not applicable. Data Availability Statement: Data are contained within the article. This work is part of the Smart Drive initiative at Tecore Networks Lab at Florida Atlantic University. The authors declare no conflicts of interest. ## Abbreviations

The following abbreviations are used in this manuscript: \begin{tabular}{l l} ABR & Adaptive beaconing rate \\ AWT & Average waiting time \\ BRAIN-F & Beacon rate adaption based on fuzzy logic \\ CBT & Channel busy time \\ CBR & Current beacon rate \\ CCA & Clear channel assessment \\ CCH & Control channel \\ CCHI & Control channel interval \\ CSMA/CA & Carrier-sense multiple access with collision avoidance \\ CTP & Current transmission power \\ CW & Contention window \\ DT & Density threshold \\ DynB & Dynamic beaconing \\ EDCA & Enhanced distributed channel access \\ GI & Guard interval \\ GPS & Global Positioning System \\ GRVAD & Geographic routing method based on velocity, angle, and density \\ HACEAB & High-awareness and channel-efficient adaptive beaconing \\ JSRC & Joint Space-Division Multiple Access and Rate Control \\ NBR & Next beacon rate \\ ND & Number of direct neighbors \\ NTP & New transmission power \\ ITS & Intelligent transportation system \\ PDR & Packet delivery ratio \\ SDMA & Space-division multiple access \\ SCH & Service channel \\ SCHI & Service channel interval \\ SINR & Signal-to-interference-noise ratio \\ SUMO & Simulation of urban mobility \\ VANET & Vehicular ad hoc network \\ WCL & Weighted centroid localization \\ \end{tabular} 

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