# US 10,320,450 B2 · Antenna arrangement for two polarizations > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,320,450 B2 - Document ID: US10320450B2 - Status: Granted - Kind: B2 - Application number: 15/561,091 - Filed: 2017-09-06 - Published: 2019-03-07 - Granted: 2019-06-11 - Earliest claimed: 2017-09-06 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget Lm Ericsson (Publ) - Inventors: Sven Petersson; Fredrik Athley; Andreas Nilsson - Web page: https://patentgrep.com/patent/US10320450B2 ## CPC - H04B 7/0408: using two or more beams, i.e. beam diversity - H01Q 3/40: with phasing matrix - H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} - H01Q 21/24: Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} - H01Q 21/26: Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre - H04B 1/40: Circuits - H04B 7/0617: {for beam forming} - H04B 7/0885: {with combination} - H04B 7/10: Polarisation diversity; Directional diversity - H04L 5/1423: {for simultaneous baseband signals} - H01Q 1/246: {specially adapted for base stations} - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract There is provided an antenna arrangement for a radio transceiver device for simultaneous use of two polarization directions. The antenna arrangement comprises at least two baseband chains. The antenna arrangement further comprises a first set of antenna elements of a first polarization direction, and a second set of antenna elements of a second polarization direction. The antenna arrangement comprises an analog distribution network operatively connecting the at least two baseband chains to both sets of antenna elements. All of the baseband chains are operatively connected to each respective antenna element of the first set and to each respective antenna element of the second set via the analog distribution network. ## Claims ### Claim 1 An antenna arrangement, the antenna arrangement comprising: a first baseband chain; a second baseband chain; a first set of two or more antenna elements of a first polarization direction, the first set of two or more antenna elements comprising a first antenna element of the first polarization direction and a second antenna element of the first polarization direction; a second set of two or more antenna elements of a second polarization direction, the second set of two or more antenna elements comprising a first antenna element of the second polarization direction and a second antenna element of the second polarization direction; and an analog distribution network operatively connecting the first baseband chain and the second baseband chain to both sets of antenna elements, wherein the analog distribution network comprises: a first phase shifter; a second phase shifter; a third phase shifter, a fourth phase shifter, a fifth phase shifter; a sixth phase shifter; a seventh phase shifter, and an eighth phase shifter, and the first baseband chain is connected to the first antenna element of the first polarization direction via the first phase shifter, the first baseband chain is connected to the first antenna element of the second polarization direction via the second phase shifter, the first baseband chain is connected to the second antenna element of the first polarization direction via the third phase shifter, the first baseband chain is connected to the second antenna element of the second polarization direction via the fourth phase shifter, the second baseband chain is connected to the first antenna element of the first polarization direction via the fifth phase shifter, the second baseband chain is connected to the first antenna element of the second polarization direction via the sixth phase shifter, the second baseband chain is connected to the second antenna element of the first polarization direction via the seventh phase shifter, and the second baseband chain is connected to the second antenna element of the second polarization direction via the eighth phase shifter. ### Claim 2 (depends on 1) The antenna arrangement of claim 1, wherein the first antenna element of the first polarization direction and the first antenna element of the second polarization direction form a first dual polarized antenna element, and the second antenna element of the first polarization direction and the second antenna element of the second polarization direction form a second dual polarized antenna element. ### Claim 3 (depends on 1) The antenna arrangement of claim 1, wherein the antenna arrangement comprises not more than two baseband chains. ### Claim 4 (depends on 1) The antenna arrangement of claim 1, wherein the analog distribution network further comprises a first splitter/combiner and a second splitter/combiner, the first baseband chain is connected to the first antenna element of the first polarization direction via the first phase shifter and the first splitter/combiner, and the first baseband chain is connected to the first antenna element of the second polarization direction via the second phase shifter and the second splitter/combiner. ### Claim 5 (depends on 4) The antenna arrangement of claim 4, wherein the second baseband chain is connected to the first antenna element of the first polarization direction via the fifth phase shifter and the first splitter/combiner, and the second baseband chain is connected to the first antenna element of the second polarization direction via the sixth phase shifter and the second splitter/combiner. ### Claim 6 (depends on 5) The antenna arrangement of claim 5, wherein the analog distribution network further comprises a third splitter/combiner and a fourth splitter/combiner, the first baseband chain is connected to the second antenna element of the first polarization direction via the third phase shifter and the third splitter/combiner, the first baseband chain is connected to the second antenna element of the second polarization direction via the fourth phase shifter and the fourth splitter/combiner, the second baseband chain is connected to the second antenna element of the first polarization direction via the seventh phase shifter and the third splitter/combiner, and the second baseband chain is connected to the second antenna element of the second polarization direction via the eighth phase shifter and the fourth splitter/combiner. ### Claim 7 (depends on 6) The antenna arrangement of claim 6, wherein the analog distribution network further comprises a fifth splitter/combiner and a sixth splitter/combiner, the first baseband chain is connected to the first antenna element of the first polarization direction via the first phase shifter, the first splitter/combiner, and the fifth splitter/combiner, the first baseband chain is connected to the first antenna element of the second polarization direction via the second phase shifter, the second splitter/combiner, and the fifth splitter/combiner, the first baseband chain is connected to the second antenna element of the first polarization direction via the third phase shifter, the third splitter/combiner, and the fifth splitter/combiner, the first baseband chain is connected to the second antenna element of the second polarization direction via the fourth phase shifter, the fourth splitter/combiner, and the fifth splitter/combiner, the second baseband chain is connected to the first antenna element of the first polarization direction via the fifth phase shifter, the first splitter/combiner, and the sixth splitter/combiner, the second baseband chain is connected to the first antenna element of the second polarization direction via the sixth phase shifter, the second splitter/combiner, and the sixth splitter/combiner, the second baseband chain is connected to the second antenna element of the first polarization direction via the seventh phase shifter, the third splitter/combiner, and the sixth splitter/combiner, and the second baseband chain is connected to the second antenna element of the second polarization direction via the eighth phase shifter, the fourth splitter/combiner, and the sixth splitter/combiner. ### Claim 8 (depends on 1) The antenna arrangement of claim 1, wherein the analog distribution network further comprises a first splitter/combiner and a second splitter/combiner, the first baseband chain is connected to the first antenna element of the first polarization direction via the first phase shifter and the first splitter/combiner, the first baseband chain is connected to the first antenna element of the second polarization direction via the second phase shifter and the first splitter/combiner, the first baseband chain is connected to the second antenna element of the first polarization direction via the third phase shifter and the first splitter/combiner, the first baseband chain is connected to the second antenna element of the second polarization direction via the fourth phase shifter and the first splitter/combiner, the second baseband chain is connected to the first antenna element of the first polarization direction via the first phase shifter and the second splitter/combiner, the second baseband chain is connected to the first antenna element of the second polarization direction via the second phase shifter and the second splitter/combiner, the second baseband chain is connected to the second antenna element of the first polarization direction via the seventh phase shifter and the second splitter/combiner, and the second baseband chain is connected to the second antenna element of the second polarization direction via the eighth phase shifter and the second splitter/combiner. ### Claim 9 (depends on 1) The antenna arrangement of claim 1, wherein the antenna arrangement is configured for analog beamforming based on a first weight matrix having a first non-zero weight vector for the first polarization direction and a second weight matrix having a second non-zero weight vector for the second polarization direction, wherein the second weight matrix is based on the weight vectors of the first weight matrix, the first weight matrix defines values of the first, third, fifth and seventh phase shifters to generate a first beam for the first polarization direction, and the second weight matrix defines values of the second, fourth, sixth and eighth phase shifters to generate a second beam for the second polarization direction. ### Claim 10 (depends on 1) The antenna arrangement of claim 1, further comprising: power amplifiers and/or low noise amplifiers. ### Claim 11 (depends on 1) The antenna arrangement of claim 1, further comprising: a first amplifier connected to the first antenna element of the first polarization direction, a second amplifier connected to the first antenna element of the second polarization direction, a third amplifier connected to the second antenna element of the first polarization direction, and a fourth amplifier connected to the second antenna element of the second polarization direction. ### Claim 12 (depends on 1) The antenna arrangement of claim 1, further comprising: a first low noise amplifier connected between the first baseband chain and the analog distribution network; and a second low noise amplifier connected between the second baseband chain and the analog distribution network. ### Claim 13 (depends on 1) The antenna arrangement of claim 1, further comprising: a first power amplifier connected between the first baseband chain and the analog distribution network; and a second power amplifier connected between the second baseband chain and the analog distribution network. ### Claim 14 (depends on 1) The antenna arrangement of claim 1, wherein the antenna elements are part of a uniform linear array or a uniform rectangular array. ### Claim 15 (depends on 1) A radio transceiver device comprising the antenna arrangement of claim 1. ### Claim 16 (depends on 15) The radio transceiver device of claim 15, wherein the radio transceiver device is a terminal device or a transmission and reception point. ### Claim 17 (depends on 1) A radio transceiver device for operating the antenna arrangement of claim 1 for transmission of a signal, the radio transceiver device comprising processing circuitry, the processing circuitry being configured to cause the radio transceiver device to: provide the signal from the first and second baseband chains to the first set of antenna elements and to the second set of antenna elements via the analog distribution network; and simultaneously and wirelessly transmit the signal using the first set of antenna elements and the second set of antenna elements. ### Claim 18 (depends on 1) A radio transceiver device for operating the antenna arrangement of claim 1 for reception of a signal, the radio transceiver device comprising processing circuitry, the processing circuitry being configured to cause the radio transceiver device to: wirelessly receive the signal using the first set of antenna elements and the second set of antenna elements; and provide the signal to the first and second baseband chains via the analog distribution network. ### Claim 19 (depends on 1) A computer program product comprising a non-transitory computer readable medium storing a computer program for operating the antenna arrangement of claim 1 for transmission of a signal, the computer program comprising computer code which, when run on processing circuitry of a radio transceiver device, causes the radio transceiver device to: provide the signal from the first and second baseband chains to the first set of antenna elements and to the second set of antenna elements via the analog distribution network; and simultaneously and wirelessly transmit the signal using the first set of antenna elements and the second set of antenna elements. ### Claim 20 (depends on 1) A computer program product comprising a non-transitory computer readable medium storing a computer program for operating the antenna arrangement of claim 1 for reception of a signal, the computer program comprising computer code which, when run on processing circuitry of a radio transceiver device, causes the radio transceiver device to: wirelessly receive the signal using the first antenna element of the first polarization direction, the second antenna element of the first polarization direction, the first antenna element of the second polarization direction, and the second antenna element of the first polarization direction; and provide the signal to the first and second baseband chains via the analog distribution network. ### Claim 21 A method for operating an antenna arrangement for transmission of a signal, the method being performed by a radio transceiver device, wherein the antenna arrangement comprises: a first baseband chain; a second baseband chain; a first set of two or more antenna elements of a first polarization direction, the first set of two or more antenna elements comprising a first antenna element of the first polarization direction and a second antenna element of the first polarization direction; a second set of two or more antenna elements of a second polarization direction, the second set of two or more antenna elements comprising a first antenna element of the second polarization direction and a second antenna element of the second polarization direction; and an analog distribution network operatively connecting the first baseband chain and the second baseband chain to both sets of antenna elements, wherein the analog distribution network comprises: a first phase shifter; a second phase shifter; a third phase shifter, a fourth phase shifter, a fifth phase shifter; a sixth phase shifter; a seventh phase shifter, and an eighth phase shifter, and the first baseband chain is connected to the first antenna element of the first polarization via the first phase shifter, the first baseband chain is connected to the first antenna element of the second polarization via the second phase shifter, the first baseband chain is connected to the second antenna element of the first polarization via the third phase shifter, the first baseband chain is connected to the second antenna element of the second polarization via the fourth phase shifter, the second baseband chain is connected to the first antenna element of the first polarization via the fifth phase shifter, the second baseband chain is connected to the first antenna element of the second polarization via the sixth phase shifter, the second baseband chain is connected to the second antenna element of the first polarization via the seventh phase shifter, and the second baseband chain is connected to the second antenna element of the second polarization via the eighth phase shifter, the method comprising: providing the signal from the first and second baseband chains to the first set of antenna elements and to the second set of antenna elements via the analog distribution network; and simultaneously and wirelessly transmitting the signal from all the antenna elements. ### Claim 22 A method for reception of a signal, the method being performed by a radio transceiver device, the method comprising: wirelessly receiving the signal at an antenna arrangement, wherein the antenna arrangement comprises: a first baseband chain; a second baseband chain; a first set of two or more antenna elements of a first polarization direction, the first set of two or more antenna elements comprising a first antenna element of the first polarization direction and a second antenna element of the first polarization direction; a second set of two or more antenna elements of a second polarization direction, the second set of two or more antenna elements comprising a first antenna element of the second polarization direction and a second antenna element of the second polarization direction; and an analog distribution network operatively connecting the first baseband chain and the second baseband chain to both sets of antenna elements, wherein the analog distribution network comprises: a first phase shifter; a second phase shifter; a third phase shifter, a fourth phase shifter, a fifth phase shifter; a sixth phase shifter; a seventh phase shifter, and an eighth phase shifter, and the first baseband chain is connected to the first antenna element of the first polarization via the first phase shifter, the first baseband chain is connected to the first antenna element of the second polarization via the second phase shifter, the first baseband chain is connected to the second antenna element of the first polarization via the third phase shifter, the first baseband chain is connected to the second antenna element of the second polarization via the fourth phase shifter, the second baseband chain is connected to the first antenna element of the first polarization via the fifth phase shifter, the second baseband chain is connected to the first antenna element of the second polarization via the sixth phase shifter, the second baseband chain is connected to the second antenna element of the first polarization via the seventh phase shifter, and the second baseband chain is connected to the second antenna element of the second polarization via the eighth phase shifter; and providing the signal from all the antenna elements which received the signal to the first and second baseband chains via the analog distribution network.