US 11,910,293 B2
Optimized multicast messaging in LPWA networks
Umamaheswar A. Kakinada, Englewood, CO (US); and Hossam Hmimy, Aurora, CO (US)
Assigned to CHARTER COMMUNICATIONS OPERATING, LLC, St. Louis, MO (US)
Filed by CHARTER COMMUNICATIONS OPERATING, LLC, St. Louis, MO (US)
Filed on Aug. 8, 2022, as Appl. No. 17/882,977.
Application 17/882,977 is a continuation of application No. 17/144,347, filed on Jan. 8, 2021, granted, now 11,412,436.
Prior Publication US 2022/0394587 A1, Dec. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 40/02 (2009.01); H04W 72/04 (2023.01); H04W 40/34 (2009.01); H04W 40/12 (2009.01); H04W 72/21 (2023.01)
CPC H04W 40/026 (2013.01) [H04W 40/125 (2013.01); H04W 40/34 (2013.01); H04W 72/21 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A method for routing a multicast message from a network server toward a plurality of target devices configured to communicate with a low power wide area (LPWA) network comprising a plurality of gateways, the method comprising:
determining, for a multicast message to be routed toward the target devices via the LPWA network, a plurality of multicast paths wherein each multicast path comprises a respective set of gateways configured to reach all target devices;
determining, for each respective set of gateways forming a multicast path, a composite weighted metric (CWM) in accordance with a plurality of selection factors, wherein each selection factor is weighted in accordance with an operator policy;
selecting a multicast path comprising a set of gateways P having a lowest CWM; and
transmitting the multicast message toward only the gateways included in the selected set of gateways P.