# US 10,455,464 B1 · Dynamic handover threshold adjustment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,455,464 B1 - Document ID: US10455464B1 - Status: Granted - Kind: B1 - Application number: 15/593,426 - Filed: 2017-05-12 - Granted: 2019-10-22 - Earliest claimed: 2017-05-12 - Assignees: Sprint Spectrum L.P. - Applicants: Sprint Spectrum LP - Inventors: Siddharth Oroskar; Jasinder Singh; Nitesh Manchanda - Web page: https://patentgrep.com/patent/US10455464B1 ## CPC - H04W 36/0083: {Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists} - H04B 17/328: {Reference signal received power [RSRP]; Reference signal received quality [RSRQ]} - H04B 17/40: of relay systems - H04L 5/1438: {Negotiation of transmission parameters prior to communication (modified according to link quality H04L1/0001)} - H04W 48/16: Discovering, processing access restriction or access information - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04L 5/1469: {using time-sharing} - H04W 24/02: Arrangements for optimising operational condition - H04W 36/008375: {based on historical data} - H04W 36/06: Reselecting a communication resource in the serving access point - H04W 36/20: for optimising the interference level - H04W 88/04: adapted for relaying to or from another terminal or user - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method of allocating frequency bands of an access node includes determining a number of relay wireless devices attached to a donor access node neighboring the access node and transmitting to the access node information related to the number of relay wireless devices attached to the donor access node. An inter-frequency handover threshold of the access node is altered based at least in part on the information related to the number of relay wireless devices attached to the donor access node. Systems and methods relate to allocating frequency bands of an access node. ## Claims ### Claim 1 A method of allocating frequency bands of an access node, the method comprising: determining a number of relay wireless devices attached to a donor access node neighboring the access node; transmitting to the access node information related to the number of relay wireless devices attached to the donor access node; altering an inter-frequency handover threshold of the access node based at least in part on the information related to the number of relay wireless devices attached to the donor access node by increasing a minimum threshold signal level associated with a first frequency band deployed by the access node and decreasing a maximum threshold signal level associated with a second frequency band deployed by the access node; and offloading user equipment from the first frequency band deployed by the access node to the second frequency band deployed by the access node. ### Claim 2 (depends on 1) The method of claim 1, wherein the inter-frequency handover threshold is based on at least one radio characteristic of the access node. ### Claim 3 (depends on 2) The method of claim 2, wherein the at least one radio characteristic comprises a radio signal quality characteristic. ### Claim 4 (depends on 2) The method of claim 2, wherein the at least one radio characteristic comprises a radio signal strength characteristic. ### Claim 5 (depends on 1) The method of claim 1, further comprising determining a number of idle relay wireless devices of the number of relay wireless devices attached to the donor access node. ### Claim 6 (depends on 1) The method of claim 1, further comprising transmitting altered inter-frequency handover threshold signal levels to user equipment attached to the access node. ### Claim 7 (depends on 1) The method of claim 1, wherein the first frequency band comprises a time-division duplex band and the second frequency band comprises a frequency-division duplex band. ### Claim 8 A method of allocating frequency bands of an access node among user devices, the method comprising: determining a number of wireless relay devices attached to a donor access node neighboring the access node; transmitting to the access node information related to the number of wireless relay devices attached to the donor access node; based at least in part on the information related to the number of wireless relay devices attached to the donor access node, altering a threshold radio characteristic of the access node by increasing a minimum threshold signal level associated with a first frequency band class of the access node and decreasing a maximum threshold signal level associated with a second frequency band class of the access node; comparing a radio characteristic of the access node with the threshold radio characteristic; and offloading a relay wireless device from a first frequency band class of the access node to a second frequency band class of the access node based on a comparison of the radio characteristic and the threshold radio characteristic. ### Claim 9 (depends on 8) The method of claim 8, wherein the threshold radio characteristic is based at least in part on historical data related the number of relay wireless device attached to the donor access node. ### Claim 10 A system, comprising: an access node; a neighboring donor access node; and a processor associated with the access node configured to: receive information related to a number of relay wireless devices attached to the donor access node; alter a threshold radio characteristic based at least in part on the information related to the number of relay wireless devices attached to the donor access node by one or both of increasing a minimum threshold signal level associated with a first frequency band class of the access node and decreasing a maximum threshold signal level associated with a second frequency band class of the access node; and offload a user device from a first frequency band class of the access node to a second frequency band class of the access node based on a comparison of the radio characteristic and the threshold radio characteristic. ### Claim 11 (depends on 10) The system of claim 10, wherein the processor is further configured to receive historical data related to a number of relay wireless devices attached to the donor access node. ### Claim 12 (depends on 10) The system of claim 10, wherein the first frequency band class comprises a time-division duplex frequency band. ### Claim 13 (depends on 10) The system of claim 10, wherein the second frequency band class comprises a frequency-division duplex frequency band.