(= 4th generation, "neljas põlv")

olemus
(a) mobiilside tehnoloogia, mis on mõeldud andma tuge multimeediumteenustele -- suuremat tuge praegustele ja seni puuduvat tuge uutele, tagades selleks edastuskiirust kuni 1 Gbit/s
(b) äriline reklaamnimetus, mis tähistab ITU omadest tunduvalt nõrgemaid nõudeid
Wiktionary:
(mobile telephony) 4th Generation (cellular phone communication standard)

ülevaateid
http://its-wiki.no/images/c/c8/From_1G_to_5G_Simon.pdf
https://en.wikipedia.org/wiki/4G
https://www.ripublication.com/irph/ijece/ijecev6n1_07.pdf
https://www3.nd.edu/~mhaenggi/NET/wireless/4G/
https://www.itu.int/en/ITU-D/Regional-Presence/AsiaPacific/SiteAssets/Pages/Events/2019/ITU-ASP-CoE-Training-on-/3GPP_4G%20to%205G%20networks%20evolution%20and%20releases.pdf

turvalisus
http://airccse.org/journal/nsa/7215nsa05.pdf

vt ka
- 3G
- 3GPP
- 5G