BlackBerry Limited
Method and system for handling HARQ operations during transmission mode changes

Abstract:

A method and device for handling hybrid automatic repeat request (`HARQ`) operations during transmission mode changes, the method detecting a transmission mode change; and manipulating an HARQ process buffer based on the detecting. Further, a method and network element for handling hybrid automatic repeat request (`HARQ`) operations during transmission mode changes, the method checking when a user equipment is in a transmission mode uncertainty window; and blocking communications to the user equipment or utilizing a downlink control information format 1A for communications to the user equipment.