Antenna arrangement for two polarizations
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsSven Petersson, Fredrik Athley, Andreas Nilsson
Life of this patent
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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.
Claims22
An antenna arrangement for a radio transceiver device for simultaneous use of two polarization directions, the antenna arrangement comprising:
- at least two baseband chains;
- a first set of antenna elements of a first polarization direction;
- a second set of antenna elements of a second polarization direction;
- and
- an analog distribution network operatively connecting the at least two baseband chains to both sets of antenna elements, wherein
- the at least two baseband chains comprise a first baseband chain and a second baseband chain,
- the first set of antenna elements comprises a first antenna element of the first polarization direction and a second antenna element of the first polarization direction,
- the analog distribution network comprises a first phase shifter, a second phase shifter, a third phase shifter, and a fourth phase shifter,
- 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 second antenna element of the first polarization direction via the second phase shifter,
- the second baseband chain is connected to the to the first antenna element of the first polarization direction via the third phase shifter, and
- the second baseband chain is connected to the to the second antenna element of the first polarization direction via the fourth phase shifter.
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:
- at least two baseband chains;
- a first set of antenna elements of a first polarization direction;
- a second set of antenna elements of a second polarization direction;
- and
- an analog distribution network operatively connecting the at least two baseband chains to both sets of antenna elements, wherein
- the at least two baseband chains comprise a first baseband chain and a second baseband chain,
- the first set of antenna elements comprises a first antenna element of the first polarization direction and a second antenna element of the first polarization direction,
- the analog distribution network comprises a first phase shifter, a second phase shifter, a third phase shifter, and a fourth phase shifter,
- 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 second antenna element of the first polarization direction via the second phase shifter,
- the second baseband chain is connected to the to the first antenna element of the first polarization direction via the third phase shifter, and
- the second baseband chain is connected to the to the second antenna element of the first polarization direction via the fourth phase shifter, the method comprising:
- providing the signal from the at least two 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 the first and second sets of antenna elements.
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:
- at least two baseband chains;
- a first set of antenna elements of a first polarization direction;
- a second set of antenna elements of a second polarization direction;
- and
- an analog distribution network operatively connecting the at least two baseband chains to both sets of antenna elements, wherein
- the at least two baseband chains comprise a first baseband chain and a second baseband chain,
- the first set of antenna elements comprises a first antenna element of the first polarization direction and a second antenna element of the first polarization direction,
- the analog distribution network comprises a first phase shifter, a second phase shifter, a third phase shifter, and a fourth phase shifter,
- 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 second antenna element of the first polarization direction via the second phase shifter,
- the second baseband chain is connected to the to the first antenna element of the first polarization direction via the third phase shifter, and
- the second baseband chain is connected to the to the second antenna element of the first polarization direction via the fourth phase shifter;
- and
- providing the signal from the first and second sets of antenna elements which received the signal to the at least two baseband chains via the analog distribution network.
Dependencies are inferred from the claim text.