Interference aware adaption of antenna radiation patterns
A device configured for operating in a wireless communication network is configured for forming an antenna radiation pattern for communicating with a communication partner. The antenna radiation pattern includes a main lobe and side lobes. The device is configured for controlling the main lobe towards a path to the communication partner; and to control the side lobes to address interference at the location of a further device.
1 . A device configured for operating in a wireless communication network, wherein the device is configured for forming an antenna radiation pattern for communicating with a communication partner;
wherein the antenna radiation pattern comprises a main lobe, at least one side lobe and a null between the main lobe and the side lobe;
wherein the device is configured for controlling the main lobe towards a path to the communication partner; and to control a direction of the side lobe and/or to control the null to address interference at the location of a further device.
2 . The device of claim 1 , wherein the device is configured for transmitting a signal with the antenna radiation pattern or is configured for receiving a signal with the antenna radiation pattern.
3 . The device of claim 1 , wherein the device is configured for controlling the side lobes by controlling at least one of
a direction of the side lobes and/or of the main lobe thereby affecting the direction of the side lobes;
a polarization of the side lobes and/or of the main lobe;
a selection of an antenna port used for forming the antenna radiation pattern, of a sub-array of an antenna array used for forming the antenna radiation pattern and/or of at least one antenna panel used for forming the antenna radiation pattern.
4 . The device of claim 1 , wherein the device is configured, to address the interference, to control the side lobe in view of a level of power transmission between the device and the further device along at least one path between the device and the further device in a radio propagation environment.
5 . The device of claim 4 , wherein the communication partner is located as a far device, wherein the further device is located as a near device.
6 . The device of claim 1 , being configured, to address the interference, to control the direction of the sidelobe and/or a direction of the null of the antenna radiation pattern.
7 . The device of claim 1 , wherein the device is configured for selecting the antenna radiation pattern from a plurality of possible antenna radiation patterns, for generating the antenna radiation pattern and to adapt the generated radiation pattern to reduce the interference between the device and the further device when compared to the selected antenna radiation pattern; or
selecting the antenna radiation pattern from a plurality of possible antenna radiation patterns so as to lead to an interference below a predefined interference threshold between the device and the further device; or to a minimum interference between the device and the further device whilst providing for an energy transmission above a predefined transmission threshold between the device and the communication partner or a maximum energy transmission between the device and the communication partner.
8 . The device of claim 1 , wherein the device is configured for controlling the sidelobes and/or the antenna radiation pattern based on a codebook and/or based on an adaptive antenna array; wherein the codebook comprises at least one of a Type I single-panel codebook; a Type I multi-panel codebook; a Type II single-panel codebook; and a Type II multi-panel codebook or a different codebook.
9 . The device of claim 1 , wherein the device is configured for acquiring knowledge about a location of the further device and/or about at least one direction of a relevant multipath component between the device and the further device and for controlling the side lobe to comprise a low amount of power transfer between the device and the location or along the at least one direction so as to address interference.
10 . The device of claim 1 , wherein the device is configured for acquiring knowledge about a request to reduce interference at the location of the further device based on a report of the further device or based on instructions received from the wireless communication network.
11 . The device of claim 1 , wherein the device is configured for receiving directly or indirectly a reporting about a measure of interference
12 . The device of claim 11 , wherein the reporting is based on a reception of wireless energy transmitted by the device; and/or predictive based on a location or movement of the device.
13 . The device of claim 11 , wherein the device is configured for receiving the reporting from the further device as a device of the wireless network in which the device operates.
14 . The device of claim 1 , wherein the device is configured for controlling a plurality of side lobes of the antenna radiation pattern so as to address interference at a plurality of locations.
15 . The device of claim 1 , wherein the device is configured, for addressing the interference to the further device and another device, for controlling at least a first and a second sidelobe of the antenna radiation pattern based on a sidelobe-by-sidelobe assessment.
16 . The device of claim 1 , wherein the device is configured for performing a beemsweeping procedure to address the interference in which the antenna radiation pattern is at least in parts moved in space.
17 . The device of claim 1 , wherein the device performs, responsive to having acquired information about a request to reduce interference at the location of the further device at least one of:
a renegotiation between devices forming a link in which the device is one part of that link, preferably by adapting the antenna pattern of the transmitting devices and/or that of the receiving device;
a pattern restriction of the antenna radiation characteristic in direction/coverage/illumination, e.g., when the device is a drone flying over a base transceiver station or when the device is a vehicle in a tunnel or when the device is a possibly low-earth orbiting satellite that communicates with a terrestrial device as communication partner or vice versa;
a goal-based or target-based action, e.g. to reduce power affecting the further device, reschedule and/or coordinate beams of selected transmit antenna pattern;
a command-based action, e.g. to use beam X when condition Y, or do not use beam P when condition Q;
to use selective code book entries or beam indices.
18 . The device of claim 1 , wherein the device is a base station configured for operating a cell of the wireless communication network or a UE operating in the cell.
19 . Method for operating a device in a wireless communication network, the method comprising:
forming an antenna radiation pattern for communicating with a communication partner, such that the antenna radiation pattern comprises a main lobe and, at least one side lobe and a null between the main lobe and the side lobe;
controlling the main lobe towards a path to the communication partner;
controlling a direction of the side lobe and/or controlling the null to address interference at the location of a further device.
20 . A non-transitory digital storage medium having a computer program stored thereon to perform the method for operating a device in a wireless communication network, the method comprising:
forming an antenna radiation pattern for communicating with a communication partner, such that the antenna radiation pattern comprises a main lobe and, at least one side lobe and a null between the main lobe and the side lobe;
controlling the main lobe towards a path to the communication partner;
controlling a direction of the side lobe and/or controlling the null to address interference at the location of a further device,
when said computer program is run by a computer.