Enhanced Mechanism of Scheduling Request to Multiple Schedulers in a Wireless Network with Multiple Connectivity

A method comprising:

• detecting a scheduling request (SR) triggered by a user equipment (UE) in a wireless network with carrier aggregation (CA) associated with multiple base stations, wherein the UE is configured with multiple radio bearers (RBs) that are associated to one or more logical channel groups (LCGs) and the UE is associated with multiple cell groups (CGs) in different base stations, and wherein one or more RLC bearer is associated with a base station;
• transmitting a SR to the base station associated with the RLC bearers;
• detecting an SR attempt failure event;
• sending an SR failure indication to a radio resource control (RRC) layer;
• and
• performing an enhanced adjustment based on the SR failure indication.

A user equipment (UE) comprising:

• a transceiver that transmits and receives radio signals from multiple base stations in a wireless network;
• a processor coupled to the transceiver and configured to:
• detect a scheduling request (SR) trigger event;
• configure a carrier aggregation with multiple base stations, wherein the UE is configured with multiple radio bearers (RBs) that are associated to one or more logical channel groups (LCGs), and the UE is associated with multiple cell groups (CGs) in different base stations;
• associate each radio bearer with one or more base stations according to predefined association priorities, wherein each radio bearer associates with one or more base stations with the same or different priority;
• and
• select one or more base stations to which one or more SRs are sent based on the association priorities.