Multicast Broadcast Service Control

Abstract: a method can include receiving, by a wireless device from a first base station, a radio resource control (rrc) release message indicating transition of the wireless device from an rrc connected state to an rrc inactive state or an rrc idle state. the method can also include performing a cell reselection of a cell of a second base station. the method can further include determining, after the cell reselection, that a configuration in the cell for a multicast and broadcast service (mbs) session that the wireless device has joined is not supported for the rrc inactive state or the rrc idle state. the method can additionally include sending, in the rrc inactive state or the rrc idle state to the second base station and based on the determining associated with the mbs session, an rrc resume request comprising an indication of a cause for the rrc resume request.

Inventor(s): SungDuck Chun, Kyungmin Park, Esmael Hejazi Dinan, Jian Xu, Peyman Talebi Fard, Weihua Qiao, Stanislav Filin

CPC Classification: H04W76/20 (Manipulation of established connections)

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