OA - HD 19/12/18 From https://ieeeauthorcenter.ieee.org/publishing-ethics/guidelines-and-policies/policy-posting-your-article/ :  "For articles that are published open access under the IEEE Open Access Publishing Agreement (OAPA) the author may post the final published article on:

Their personal website and their employer’s website
Institutional or funder websites as required
Third-party reuse requires permission from IEEE" LL 20/12/18. Full text & set-phrase made available. LL 14/6/19
Grant information added LM 8/12/2020