# US 10,484,022 B2 · Wireless communication node with multi-band filters > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,484,022 B2 - Document ID: US10484022B2 - Status: Granted - Kind: B2 - Application number: 15/758,917 - Filed: 2015-10-14 - Published: 2019-02-07 - Granted: 2019-11-19 - Earliest claimed: 2015-10-14 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Andreas Nilsson; Sven Petersson - Web page: https://patentgrep.com/patent/US10484022B2 ## CPC - H04B 1/005: {adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges} - H03F 3/24: of transmitter output stages - H04B 1/0475: {with means for limiting noise, interference or distortion (H04B1/0483 takes precedence)} - H04B 1/40: Circuits - H04B 1/0483: {Transmitters with multiple parallel paths} - H04B 2001/0408: {with power amplifiers} - H04B: TRANSMISSION - H03F: AMPLIFIERS ## Abstract The present disclosure relates to a wireless communication network node comprising at least one antenna arrangement, at least one radio arrangement, at least one power splitter arrangement and at least one power amplifier. Each antenna arrangement comprises at least one antenna device, and each power splitter arrangement comprises an input port and at least two output ports. Each of said at least one power amplifier is connected to a corresponding input port, and, for each power splitter arrangement, at least two output ports are connected to at least one corresponding antenna device via a corresponding multi-band filter for each of said output ports. Each multi-band filter is arranged for at least two frequency bands. ## Claims ### Claim 1 A wireless communication network node comprising: at least one antenna arrangement, at least one radio arrangement, at least one power splitter arrangement, and at least one power amplifier, where each antenna arrangement in turn comprises at least one antenna device, and where each power splitter arrangement comprises an input port and at least two output ports, wherein each of said at least one power amplifier is connected to a corresponding input port, and where, for each power splitter arrangement, the at least two output ports of each power splitter arrangement are connected to at least one corresponding antenna device via a corresponding multi-band filter for each of the at least two output ports of the each power splitter arrangement, where each multi-band filter is arranged for at least two frequency bands, and wherein the wireless communication network node comprises a first power amplifier, a second power amplifier, a first power splitter arrangement, a second power splitter arrangement, where the first power amplifier is connected to an input port of the first power splitter arrangement and where the output ports of the first power splitter arrangement are connected to a first set of antenna devices of a combined antenna arrangement via corresponding multi-band filters for each of said output ports and phase shifters, and where the second power amplifier is connected to an input port of the second power splitter arrangement, where the output ports of the second power splitter arrangement are connected to a second set of antenna devices of the combined antenna arrangement via corresponding multi-band filters for each of said output ports and phase shifters, the combined antenna arrangement comprising antenna devices of a first polarization and a second polarization, where first polarization is orthogonal to the second polarization. ### Claim 2 (depends on 1) A wireless communication network node according to claim 1, wherein at least two multi-band filters are connected to said at least one antenna device via a corresponding phase shifter. ### Claim 3 (depends on 1) A wireless communication network node according to claim 1, wherein at least two multi-band filters are connected to a corresponding antenna device via a corresponding power combining arrangement. ### Claim 4 (depends on 1) A wireless communication network node according to claim 1, wherein the first set of antenna devices comprises antenna devices of the first polarization only, and where the second set of antenna devices is comprises antenna devices of the second polarization only. ### Claim 5 (depends on 1) A wireless communication network node according to claim 1, wherein the first set of antenna devices comprises antenna devices of both the first polarization and the second polarization, and where the second set of antenna devices comprises antenna devices of both the first polarization and the second polarization. ### Claim 6 (depends on 5) A wireless communication network node according to claim 5, wherein a first combined polarization resulting from the first set of antenna devices is orthogonal to a second combined polarization resulting from the second set of antenna devices. ### Claim 7 (depends on 1) A wireless communication network node according to claim 1, wherein at least one power amplifier is comprised in a corresponding radio arrangement. ### Claim 8 (depends on 1) A wireless communication network node according to claim 1, wherein each radio arrangement comprises one or more oscillators, digital-to-analog converters and/or mixers. ### Claim 9 (depends on 1) A wireless communication network node according to claim 1, wherein one or more multi-band filters are arranged to separate frequency components of a signal and pass certain selected frequency ranges while filtering out other frequency ranges, thus being arranged to divide a frequency spectrum into a series of pass bands and stop bands separated by transition bands. ### Claim 10 A base station of a communication network, comprising: at least one antenna arrangement, at least one radio arrangement, at least one power splitter arrangement, and at least one power amplifier, where each antenna arrangement in turn comprises at least one antenna device, and where each power splitter arrangement comprises an input port and at least two output ports, wherein each of said at least one power amplifier is connected to a corresponding input port, and where, for each power splitter arrangement, the at least two output ports of each power splitter arrangement are connected to at least one corresponding antenna device via a corresponding multi-band filter for each of the at least two output ports of the each power splitter arrangement, where each multi-band filter is arranged for at least two frequency bands, and wherein the base station comprises a first power amplifier, a second power amplifier, a first power splitter arrangement, a second power splitter arrangement, where the first power amplifier is connected to an input port of the first power splitter arrangement and where the output ports of the first power splitter arrangement are connected to a first set of antenna devices of a combined antenna arrangement via corresponding multi-band filters for each of said output ports and phase shifters, and where the second power amplifier is connected to an input port of the second power splitter arrangement, where the output ports of the second power splitter arrangement are connected to a second set of antenna devices of the combined antenna arrangement via corresponding multi-band filters for each of said output ports and phase shifters, the combined antenna arrangement comprising antenna devices of a first polarization and a second polarization, where first polarization is orthogonal to the second polarization. ### Claim 11 (depends on 10) A base station according to claim 10, wherein at least two multi-band filters are connected to said at least one antenna device via a corresponding phase shifter. ### Claim 12 (depends on 10) A base station according to claim 10, wherein at least two multi-band filters are connected to a corresponding antenna device via a corresponding power combining arrangement. ### Claim 13 (depends on 10) A base station according to claim 10, wherein the first set of antenna devices comprises antenna devices of the first polarization only, and where the second set of antenna devices is comprises antenna devices of the second polarization only. ### Claim 14 (depends on 10) A base station according to claim 10, wherein the first set of antenna devices comprises antenna devices of both the first polarization and the second polarization, and where the second set of antenna devices comprises antenna devices of both the first polarization and the second polarization. ### Claim 15 (depends on 14) A base station according to claim 14, wherein a first combined polarization resulting from the first set of antenna devices is orthogonal to a second combined polarization resulting from the second set of antenna devices. ### Claim 16 (depends on 10) A base station according to claim 10, wherein at least one power amplifier is comprised in a corresponding radio arrangement. ### Claim 17 (depends on 10) A base station according to claim 10, wherein each radio arrangement comprises one or more oscillators, digital-to-analog converters and/or mixers. ### Claim 18 (depends on 10) A base station to claim 10, wherein one or more multi-band filters are arranged to separate frequency components of a signal and pass certain selected frequency ranges while filtering out other frequency ranges, thus being arranged to divide a frequency spectrum into a series of pass bands and stop bands separated by transition bands.