Disconnecting and network problems

[Protoss1966]

Hello! It's my first time posting so sorry in advance for grammar and other possible problems. 

I have a problem with the game connecting to the internet. I would just change warframes or guns and the game would block, the network issues red writing would appear, then it would log out and I'd lose my internet connection. It also happens sometimes when I go to the solar system layout and today it happened in the middle of the mission while hunting ANGST i think. Yes I have a router and not direct cable connection to the internet, for my laptop. Sometimes I'd play while accessing wifi from my phone in order to watch youtube but when my bro comes home, he uses the internet cable while I'm playing and it works just fine. I live in a country with pretty good internet connection. 

Does anyone else have this problem? Is there any solution? Is something else at fault? Does anyone have a solution? 

Please help. 

Thanks for reading, have a nice day!