# US 2019/0174355 A1 · Flow control in multi-rat 5g wireless networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174355 A1 - Document ID: US20190174355A1 - Status: Published application - Kind: A1 - Application number: 16/253,622 - Filed: 2019-01-22 - Published: 2019-06-06 - Earliest claimed: 2016-04-04 - Assignees: AT&T Intellectual Property I, L.P. - Applicants: AT&T Intellectual Property I, L.P. - Inventors: Milap V. Majmundar - Web page: https://patentgrep.com/patent/US20190174355A1 ## CPC - H04W 28/10: Flow control {between communication endpoints} - H04L 47/20: Traffic policing - H04L 47/29: {using a combination of thresholds} - H04W 28/0205: {at the air interface (dynamic wireless traffic scheduling H04W72/12)} - H04W 28/0247: {based on conditions of the access network or the infrastructure network (central resource management H04W28/16)} - H04L 47/30: in combination with information about buffer occupancy at either end or at transit nodes - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Traffic flow control is facilitated in a multi-radio access technology wireless network infrastructure. A qualification threshold value can be determined for a slave node device, as a function of the qualification threshold value, a data volume threshold value can be determined for the slave node device, and, as a function of the data volume threshold value, transmission of data to a user equipment device can be facilitated by the slave node device. ## Claims ### Claim 1 A system, comprising: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: receiving feedback data from a grouping of slave node devices; and in response to the receiving the feedback data, determining, from the grouping of slave node devices, a slave node device that facilitates transmission of user plane data to a user equipment device, wherein the determining of the slave node device is based on the feedback data and an exclusionary threshold value determined for each slave node device comprising the grouping of slave node devices. ### Claim 2 (depends on 1) The system of claim 1, wherein the exclusionary threshold value is determined as a function of a minimum amount of the user plane data that has been accumulated in a buffer area associated with the memory. ### Claim 3 (depends on 2) The system of claim 2, wherein the minimum amount of the user plane data is determined as a function of a benefit analysis that measures an improvement of data traffic flow within a network of networked devices relative to a cost of accumulating the user plane data in the buffer area. ### Claim 4 (depends on 1) The system of claim 1, wherein the determining of the slave node device further comprises determining the slave node device as a function of a minimum latency value determined for each slave node device. ### Claim 5 (depends on 4) The system of claim 4, wherein the operations further comprise determining the minimum latency value as a function of a spare capacity of each slave node device to transmit an additional byte of the user plane data to the user equipment device using a buffer area associated with the memory via the slave node device. ### Claim 6 (depends on 4) The system of claim 4, wherein the operations further comprise determining the minimum latency value based on a one way transport latency between the system and each slave node device. ### Claim 7 (depends on 4) The system of claim 4, wherein the operations further comprise determining the minimum latency value based on a buffer allocation size allocated for the user equipment device at each slave node device. ### Claim 8 (depends on 4) The system of claim 4, wherein the operations further comprise determining the minimum latency value based on the user plane data queued in transit for transmission to the user equipment device between the system and the slave node device. ### Claim 9 (depends on 4) The system of claim 4, wherein the operations further comprise determining the minimum latency value based on an average data service rate of transmission of the user plane data experienced by the user equipment device from the slave node device. ### Claim 10 A method comprising: receiving, by a device comprising a processor, feedback data from a grouping of slave node devices; and selecting, by the device from the grouping of slave node devices, a slave node device that facilitates transmission of user plane data to a user equipment device, wherein selection of the slave node device is based on the feedback data and an exclusionary threshold value determined for each slave node device comprising the grouping of slave node devices. ### Claim 11 (depends on 10) The method of claim 10, wherein the slave node device is a first slave node device, and wherein the grouping of slave node devices comprises the first slave node device, a second slave node device, and a third slave node device. ### Claim 12 (depends on 11) The method of claim 11, wherein the device operates under a first radio access technology. ### Claim 13 (depends on 12) The method of claim 12, wherein the first radio access technology is a next generation 5G multiple radio access technology operational at or about a 6 gigahertz frequency band range. ### Claim 14 (depends on 11) The method of claim 11, wherein the first slave node device operates under a second radio access technology. ### Claim 15 (depends on 14) The method of claim 14, wherein the second radio access technology is a next generation 5G multiple radio access technology broadcasting in a millimeter wave frequency band range. ### Claim 16 (depends on 11) The method of claim 11, wherein the second slave node device operates under a third radio access technology. ### Claim 17 (depends on 16) The method of claim 16, wherein the third radio access technology is a long term evolution radio access technology. ### Claim 18 (depends on 11) The method of claim 11, wherein the third slave node device operates under a fourth radio access technology, and wherein the fourth radio access technology is a Wi-Fi radio access technology. ### Claim 19 A machine-readable storage medium, comprising executable instructions that, when executed by a processor, facilitate performance of operations, comprising: receiving feedback data from a grouping of slave node devices; and based on respective exclusionary threshold values determined for respective slave node devices of the grouping of slave node devices and the feedback data, determining, from the grouping of slave node devices, a slave node device that facilitates transmission of user plane data to a user equipment device. ### Claim 20 (depends on 19) The machine-readable storage medium of claim 19, wherein the determining the slave node device comprises determining the slave node device as a function of a data volume threshold value and a ranking of the slave node device based on an optimization threshold value assigned to the slave node device in relation to a range of optimization values allocated to the grouping of slave node devices.