US 10,716,122 B2
Split bearer dual/multiple connectivity retransmission diversity
Reza Holakouei, Wroclaw (PL); and Venkatkumar Venkatasubramanian, Wroclaw (PL)
Assigned to Nokia Technologies Oy, Espoo (FI)
Appl. No. 16/92,376
Filed by Nokia Technologies Oy, Espoo (FI)
PCT Filed Apr. 14, 2017, PCT No. PCT/IB2017/052177
§ 371(c)(1), (2) Date Oct. 9, 2018,
PCT Pub. No. WO2017/182927, PCT Pub. Date Oct. 26, 2017.
Claims priority of provisional application 62/324,567, filed on Apr. 19, 2016.
Prior Publication US 2019/0098640 A1, Mar. 28, 2019
Int. Cl. H04W 72/08 (2009.01); H04L 1/18 (2006.01); H04L 5/00 (2006.01); H04L 12/26 (2006.01); H04L 1/00 (2006.01)
CPC H04W 72/085 (2013.01) [H04L 1/1825 (2013.01); H04L 1/1835 (2013.01); H04L 1/1874 (2013.01); H04L 5/0032 (2013.01); H04L 5/0055 (2013.01); H04L 43/0858 (2013.01); H04L 2001/0097 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A method comprising:
by a master network node, receiving a quality of service, QoS, measurement from a user equipment, UE;
based on the received QoS measurement, forwarding by the master network node a data packet of a radio bearer for duplication to a secondary network node, wherein the radio bearer is split between the master network node and the secondary network node for wirelessly sending packets to a user equipment, UE;
determining relative network conditions between the master network node and the secondary network node;
based on the relative network conditions, selecting a redundancy retransmission mode from among multiple redundancy retransmission modes, each redundancy retransmission mode defining a different protocol for retransmitting multiple copies of selected ones of the packets to the UE over the split radio bearer; and
wirelessly retransmitting to the UE the multiple copies of the selected packets over the split radio bearer according to the selected redundancy retransmission mode.