# US 11,445,330 B2 · Apparatus and method for fast convergence to high-accuracy positioning > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,330 B2 - Document ID: US11445330B2 - Status: Granted - Kind: B2 - Application number: 17/001,224 - Filed: 2020-08-24 - Published: 2020-12-24 - Granted: 2022-09-13 - Earliest claimed: 2019-06-18 - Assignees: AT&T Intellectual Property I, L.P. - Applicants: AT&T Intellectual Property I, L.P. - Inventors: Julius Mueller - Web page: https://patentgrep.com/patent/US11445330B2 ## CPC - H04W 4/02: Services making use of location information - H04W 4/029: Location-based management or tracking services - G01S 5/009: {Transmission of differential positioning data to mobile} - G01S 5/0236: {Assistance data, e.g. base station almanac} - G01S 5/0244: {Accuracy or reliability of position solution or of measurements contributing thereto} - G01S 19/41: Differential correction, e.g. DGPS [differential GPS] - H04L 1/0002: {by adapting the transmission rate} - H04L 1/0045: {Arrangements at the receiver end} - H04W 28/0268: {using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] (negotiating SLA or negotiating QoS H04W28/24)} - H04W 36/06: Reselecting a communication resource in the serving access point - H04W 72/30: Resource management for broadcast services - H04W 4/06: Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services - H04W 4/20: Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Aspects of the subject disclosure may include, for example, computing a first location of a processing system, receiving first data via a unicast transport technology at a first rate, computing a first corrected location of the processing system in accordance with the first location and the first data, receiving second data via a broadcast transport technology, a multicast transport technology, or a combination thereof, at a second rate that is less than the first rate, and computing a second corrected location of the processing system in accordance with the second data. Other embodiments are disclosed. ## Claims ### Claim 1 A device, comprising: a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising: transmitting a first plurality of signals via a unicast transport technology; detecting, based on the first plurality of signals, that a first location of a communication device that receives the first plurality of signals is accurate within a threshold amount; responsive to the detecting, transmitting a second plurality of signals via a broadcast transport technology, a multicast transport technology, or a combination thereof; and determining a second location of the communication device based on the second plurality of signals. ### Claim 2 (depends on 1) The device of claim 1, wherein the determining of the second location of the communication device comprises: receiving from the communication device a computed location of the communication device as computed by the communication device; responsive to the receiving, applying an error correction to the computed location to generate a corrected location; and transmitting the corrected location to the communication device to cause the communication device to present the corrected location. ### Claim 3 (depends on 2) The device of claim 2, wherein the operations further comprise: receiving error correction data from at least one reference node of a network, wherein the applying of the error correction is responsive to the receiving of the error correction data. ### Claim 4 (depends on 1) The device of claim 1, wherein the transmitting of the first plurality of signals occurs over a data plane of a network at a first rate of signaling. ### Claim 5 (depends on 4) The device of claim 4, wherein the transmitting of the second plurality of signals occurs over a control plane of a network at a second rate of signaling, wherein the second rate of signaling is less than the first rate of signaling. ### Claim 6 (depends on 1) The device of claim 1, wherein the operations further comprise: receiving error correction data from at least one reference node of a network; and responsive to the receiving of the error correction data, transmitting the error correction data to the communication device to cause the communication device to apply an error correction to a computed location of the communication device to generate a corrected location of the communication device. ### Claim 7 (depends on 6) The device of claim 6, wherein the detecting that the first location of the communication device is accurate within the threshold amount is in accordance with a magnitude associated with the error correction data. ### Claim 8 (depends on 1) The device of claim 1, wherein the communication device comprises a mobile communication device, and wherein the second location is different from the first location. ### Claim 9 (depends on 1) The device of claim 1, further comprising: receiving the first plurality of signals from at least one reference node of a network. ### Claim 10 (depends on 9) The device of claim 9, wherein the at least one reference node has a fixed position. ### Claim 11 A non-transitory, machine-readable medium, comprising executable instructions that, when executed by a first processing system including a first processor, facilitate performance of operations, the operations comprising: transmitting a first plurality of signals via a unicast transport technology; detecting, based on the first plurality of signals, that a determined first location of a communication device that receives the first plurality of signals is accurate within a threshold amount; responsive to the detecting, transmitting a second plurality of signals via a broadcast transport technology, a multicast transport technology, or a combination thereof; and determining a second location of the communication device based on the second plurality of signals, wherein the determining a second location comprises receiving from the communication device a computed location of the communication device, applying an error correction to the computed location to generate a corrected location, and transmitting the corrected location to the communication device. ### Claim 12 (depends on 11) The non-transitory, machine-readable medium of claim 11, wherein the operations further comprise: receiving error correction data from at least one reference node of a network, and wherein the applying the error correction is responsive to the receiving of the error correction data. ### Claim 13 (depends on 11) The non-transitory, machine-readable medium of claim 11, wherein the transmitting of the first plurality of signals via a unicast transport technology comprises transmitting the first plurality of signals over a data plane of a network at a first rate of signaling. ### Claim 14 (depends on 13) The non-transitory, machine-readable medium of claim 13, wherein the transmitting of the second plurality of signals comprises transmitting the second plurality of signals over a control plane of a network at a second rate of signaling, wherein the second rate of signaling is less than the first rate of signaling. ### Claim 15 (depends on 11) The non-transitory, machine-readable medium of claim 11, wherein the operations further comprise: receiving error correction data from at least one reference node of a network; and responsive to the receiving of the error correction data, transmitting the error correction data to the communication device to cause the communication device to apply an error correction to a computed location of the communication device to generate a corrected location of the communication device. ### Claim 16 A method, comprising: transmitting, by a processing system including a processor, a first plurality of signals via a unicast transport technology; detecting, based on the first plurality of signals, that a first location of a communication device that receives the first plurality of signals is accurate within a threshold amount; responsive to the detecting, transmitting a second plurality of signals via a broadcast transport technology, a multicast transport technology, or a combination thereof; determining a second location of the communication device based on the second plurality of signals; and responsive to receiving of error correction data from at least one reference node of a network, transmitting, by the processing system, the error correction data to the communication device to cause the communication device to apply an error correction to a computed location of the communication device to generate a corrected location of the communication device. ### Claim 17 (depends on 16) The method of claim 16, wherein the detecting that the first location of the communication device is accurate within the threshold amount is in accordance with a magnitude associated with the error correction data. ### Claim 18 (depends on 16) The method of claim 16, wherein the detecting that a first location of a communication device that receives the first plurality of signals is accurate within a threshold amount comprises detecting, by the processing system, that a location of a mobile communication device is accurate within a threshold amount. ### Claim 19 (depends on 16) The method of claim 16, wherein the method further comprises: receiving, by the processing system, the first plurality of signals from at least one reference node of a network. ### Claim 20 (depends on 19) The method of claim 19, wherein the at least one reference node has a fixed position.