# US 2021/0345349 A1 · Scheduling in wireless communication networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0345349 A1 - Document ID: US20210345349A1 - Status: Published application - Kind: A1 - Application number: 17/236,194 - Filed: 2021-04-21 - Published: 2021-11-04 - Earliest claimed: 2020-05-04 - Assignees: Nokia Solutions and Networks Oy - Applicants: Nokia Solutions and Networks Oy - Inventors: Marko FLEISCHER; Rene RÖSCHKE; Jan HELLMANN - Web page: https://patentgrep.com/patent/US20210345349A1 ## CPC - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/541: using the level of interference - H04W 72/0473: {the resource being transmission power} - H04W 72/51: based on terminal or device properties - H04W 72/542: using measured or perceived quality - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract To take into account a passive intermodulation, resource blocks are associated with information indicating passive intermodulation impact of a corresponding resource block. The resource blocks are scheduled using the information. ## Claims ### Claim 1 A scheduler comprising at least one processor; and at least one memory including computer program code, the at least one memory and computer program code configured to, with the at least one processor, cause the scheduler to perform: maintaining or accessing stored information associating resource blocks with information indicating passive intermodulation impact of a corresponding resource block, wherein at least for some of the resource blocks the information is per a resource block; and scheduling resource blocks for transmission over a radio interface using the information. ### Claim 2 (depends on 1) The scheduler according to claim 1, wherein the at least one memory and computer program code are configured to, with the at least one processor, cause the scheduler to perform the scheduling among resource blocks having no passive intermodulation impact as long as such resource blocks are available. ### Claim 3 (depends on 2) The scheduler according to claim 2, wherein the at least one memory and computer program code are configured to, with the at least one processor, cause the scheduler to perform scheduling, when no resource blocks having no passive intermodulation impact is available, resource blocks starting from a resource block associated with the lowest passive intermodulation impact towards resource blocks having the highest passive intermodulation impact. ### Claim 4 (depends on 1) The scheduler according to claim 1, wherein the at least one memory and computer program code are configured to, with the at least one processor, cause the scheduler to perform the scheduling among resource blocks having passive intermodulation impact. ### Claim 5 (depends on 1) The scheduler according to claim 1, wherein the at least one memory and computer program code are configured to, with the at least one processor, cause the scheduler to perform defining the information associating resource blocks with information indicating passive intermodulation impact of a corresponding resource block based on both measurement results performed at a site providing the radio interface when no user equipments are served by the site and predefined information indicating passive intermodulation impact of a corresponding resource block, the predefined information being based on theoretical passive intermodulation model. ### Claim 6 (depends on 1) The scheduler according to claim 1, wherein the information indicating passive intermodulation impact of a corresponding resource block per a resource block is at least for resource blocks having passive intermodulation impact a value indicating severity of the passive intermodulation impact. ### Claim 7 (depends on 1) The scheduler according to claim 1, wherein the scheduler comprises a downlink scheduler. ### Claim 8 (depends on 7) The scheduler according to claim 7, wherein the at least one memory and computer program code are configured to, with the at least one processor, cause the scheduler to perform: maintaining or accessing information associating at least some resource blocks associated with passive intermodulation impact per a resource block with information indicating downlink power adjustment; and adjusting, in response to scheduling a downlink resource block associated with the information indicating downlink power adjustment, downlink transmission power as indicated. ### Claim 9 (depends on 1) The scheduler according to claim 1, wherein the scheduler comprises an uplink scheduler. ### Claim 10 (depends on 9) The scheduler according to claim 9, wherein the at least one memory and computer program code are configured to, with the at least one processor, cause the scheduler to perform scheduling resources for user equipments by starting from user equipments locating at a cell edge of a cell providing the radio interface. ### Claim 11 (depends on 9) The scheduler according to claim 9, wherein the at least one memory and computer program code are configured to, with the at least one processor, cause the scheduler to perform using downlink scheduling information when scheduling uplink resources. ### Claim 12 (depends on 9) The scheduler according to claim 9, wherein the information associating resource blocks with information indicating passive intermodulation impact at least indicates whether the resource block is in a carrier section having no passive intermodulation impact or in a carrier section having passive intermodulation impact. ### Claim 13 A method, comprising: maintaining or accessing stored information associating resource blocks with information indicating passive intermodulation impact of a corresponding resource block, wherein at least for some of the resource blocks the information is per a resource block; and scheduling resource blocks for transmission over a radio interface using the information. ### Claim 14 (depends on 13) The method according to claim 13, wherein the scheduling comprises scheduling among resource blocks having no passive intermodulation impact as long as such resource blocks are available. ### Claim 15 (depends on 14) A method according to claim 14, wherein the scheduling comprises scheduling, when no resource blocks having no passive intermodulation impact are available, resource blocks starting from a re-source block associated with the lowest passive intermodulation impact towards resource blocks having the highest passive intermodulation impact. ### Claim 16 (depends on 13) A method according to claim 13, wherein the scheduling comprises scheduling among resource blocks having passive intermodulation impact. ### Claim 17 (depends on 13) The method according to claim 13, further comprising defining the information associating resource blocks with information indicating passive intermodulation impact of a corresponding resource block based on both measurement results performed at a site providing the radio interface when no user equipments are served by the site and predefined information indicating passive intermodulation impact of a corresponding resource block, the predefined information being based on theoretical passive intermodulation model. ### Claim 18 (depends on 13) The method according to claim 13, wherein the information indicating passive intermodulation impact of a corresponding resource block per a resource block is at least for resource blocks having passive intermodulation impact a value indicating severity of the passive intermodulation impact. ### Claim 19 (depends on 13) The method according to claim 13, wherein the method is performed on a downlink scheduler. ### Claim 20 A computer program embodied on a non-transitory computer-readable medium, said computer program comprising instructions which, when executed by one or more processors, cause the one or more processors to carry out at least: maintaining or accessing stored information associating resource blocks with information indicating passive intermodulation impact of a corresponding resource block, wherein at least for some of the resource blocks the information is per a resource block; and scheduling resource blocks for transmission over a radio interface using the information.