Titles as per IEEE

Follow these rules:

1. Capitalize every noun, verb, adjective, adverb or subordinating conjunction (If, Because, That, Which).
2. Use lower-case letters for any other part of speech unless it starts the title.
3. Capitalize a preposition if it consists of more than three letters (Before, From, Through, With, Versus, Among, Under, Between, Without). Otherwise, go with lower-case letters.

Examples:

Reference

IEEE Publishing Operations. IEEE Editorial Style Manual for Authors. (2020). Accessed: Mar. 27, 2021. [Online] Available: http://journals.ieeeauthorcenter.ieee.org/wp-content/uploads/sites/7/IEEE-Editorial-Style-Manual_081920.pdf.