1. Kranz G.andChristensen G.(2021).What is 6G? Overview of 6G networks & technology.https://www.techtarget.com/searchnetworking/definition/6G
2. Tomas J.P.(2021).How softwarization will be key to future 6G networks: National Instruments.RCR Wireless News(December 20).https://www.rcrwireless.com/20211220/5g/softwarization‐play‐key‐role‐future‐6g‐networks‐national‐instruments.
3. Communications in the 6G Era