US 11,659,434 B2
Transport protocol for latency sensitive applications
Shu Shi, Summit, NJ (US); Rittwik Jana, Montville, NJ (US); Bo Han, Bridgewater, NJ (US); and Bo Chen, Champaign, IL (US)
Assigned to AT&T INTELLECTUAL PROPERTY I, L.P., Atlanta, GA (US)
Filed by AT&T Intellectual Property I, L.P., Atlanta, GA (US)
Filed on Jan. 7, 2022, as Appl. No. 17/647,399.
Application 17/647,399 is a continuation of application No. 16/795,033, filed on Feb. 19, 2020, granted, now 11,252,600.
Prior Publication US 2022/0132363 A1, Apr. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 28/02 (2009.01); H04L 47/193 (2022.01); H04L 47/2475 (2022.01); H04L 43/087 (2022.01); H04L 43/10 (2022.01); A63F 13/355 (2014.01); H04L 47/283 (2022.01); H04L 67/01 (2022.01)
CPC H04W 28/0273 (2013.01) [A63F 13/355 (2014.09); H04L 43/087 (2013.01); H04L 43/10 (2013.01); H04L 47/193 (2013.01); H04L 47/2475 (2013.01); H04L 47/283 (2013.01); H04L 67/01 (2022.05)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
sending, by a server comprising a processor, first data packets to a client device;
sending, by the server, second data packets to the client device;
sending, by the server, heartbeat transmissions to the client device;
receiving, by the server, an acknowledgment from the client device, the acknowledgment comprising data identification information and heartbeat information,
wherein the data identification information identifies data most recently received at the client device, wherein the data most recently received at the client device comprises data of the first data packets or the second data packets, and
wherein the heartbeat information identifies a number of heartbeat transmissions received at the client device since the client device sent a previous acknowledgement to the server; and
in response to the acknowledgement, resending, by the server, at least one of the second data packets to the client device, regardless of a deadline associated with resending the first data packets.