Antenna arrangement for two polarizations

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.

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.