iOS 8 Wi-Fi Issues Blamed on Bonjour Over AWDL, WiFried Fix Released in Cydia

The root problem of the poor wifi connection is because there is a bug on Apple using Bonjour over AWDL (Apple's Wireless Direct Link) for AirDrop AirPlay and Gaming Connections on the iOS8. And Apple is going to fix this.

But in the meantime for those of you who has problem with wifi connectivity with iOS8 - 8.1 and don't want to loose your jailbreak, here is a fix :
. Go to cydia and install WiFried

The package will allow you to enable/disable your D2DWiFi/AWDL and can be conveniently turned off/on under the AirDrop settings in Control Center.