The first Call of Duty: Ghosts Double XP Weekend will begin Friday, November 8 at 6pm GMT, Infinity Ward and Activision have confirmed.
You'll be able to earn double XP on Xbox 360, PS3, Wii U and PC until Monday, November 11 at 6pm GMT.
Infinity Ward says to stay tuned for "future announcements on next-gen console Double XP Weekends," and adds that "Multiplayer XP, stats and achievements you get playing on current-gen consoles will transfer to next-gen when you upgrade within console family (Xbox 360 to Xbox One, or PS3 to PS4)".
In the UK Xbox One launches November 22, followed on November 29 by PS4.
Source: Call of Duty Forums