US Patent No. 11,071,089

DYNAMIC SWITCHING OF STREAMING SERVICE BETWEEN BROADCAST AND UNICAST DELIVERY


Patent No. 11,071,089
Issue Date July 20, 2021
Title Dynamic Switching Of Streaming Service Between Broadcast And Unicast Delivery
Inventorship Devaki Chandramouli, Plano, TX (US)
David Navratil, Helsinki (FI)
Curt Wong, Bellevue, WA (US)
Rainer Liebhart, Munich (DE)
Assignee NOKIA SOLUTIONS AND NETWORKS OY, Espoo (FI)

Claim of US Patent No. 11,071,089


1. A method, comprising:receiving information about a streaming service;
determining, by a network entity in a radio access network, whether to deliver data for the streaming service via multimedia broadcast or unicast based on the information and predetermined criteria for evaluating the information, wherein the predetermined criteria comprises at least one distribution of a plurality of user equipment in at least one multimedia broadcast multicast single frequency network (MBSFN) area on at least one cell level in the radio access network associated with an average number of user equipment per cell in the at least one MBSFN area; and
triggering a sending of the data via the multimedia broadcast or the unicast, the method further comprising:
comparing the average number of user equipment per cell with a first predetermined threshold to choose a delivery method to deliver data for the streaming service based on a comparison result where there is a user equipment associated with multimedia broadcast multicast services service in each cell that is part of the MBSFN area, and
comparing the average number of user equipment per cell with a second predetermined threshold to choose a delivery method to deliver data for the streaming service based on a comparison result where there are first cells that have no user equipment interested in multimedia broadcast multicast services service and second cells that have a plurality of user equipment that are associated with multimedia broadcast multicast services.