Beam selection and combining for radio access network
There is disclosed a method of operating a radio node arrangement in a radio access network. The method includes receiving signaling from a plurality of antennas, the signaling representing transmissions received by the plurality of antennas; performing a transformation of the signaling into a test beam space representation, the test beam space representation pertaining to a subset of reception beams selected from a set of reception beams; and determining a reception quality representation of the test beam space representation. The method includes, if the reception quality representation fulfils a quality requirement condition set, performing further processing based on the test beam space representation; or otherwise, amending the subset of reception beams and returning to receiving signaling and/or performing a transformation. The disclosure also pertains to related devices and methods.
1. A method of operating a radio node arrangement in a radio access network, the method comprising
receiving signaling from a plurality of antennas, the signaling representing transmissions received by the plurality of antennas;
performing a transformation of the signaling into a test beam space representation, the test beam space representation pertaining to a subset of reception beams selected from a set of reception beams;
determining a reception quality representation of the test beam space representation; and
performing processing based on the test beam space representation if the reception quality representation fulfils a quality requirement condition set, and otherwise, amending the subset of reception beams and returning to at least one of receiving signaling and performing a transformation.
2. The method according to claim 1 , wherein the reception quality representation represents a channel quality.
3. The method according to claim 2 , wherein the reception quality representation is determined based on scheduling information pertaining to the transmissions.
4. The method according to claim 1 , wherein the reception quality representation represents error occurrence.
5. The method according to claim 1 , wherein the reception quality representation is determined based on scheduling information pertaining to the transmissions.
6. The method according to claim 1 , wherein the quality requirement condition set is adaptable.
7. The method according to claim 1 , wherein performing a transformation comprises combining different components of the signaling based on a combining scheme.
8. The method according to claim 1 , wherein performing a transformation of the signaling is based on combining information pertaining to an earlier performed transformation.
9. The method according to claim 1 , wherein performing a transformation of the signaling comprises determining combining weights.
10. The method according to claim 1 , wherein performing a transformation of the signaling comprises determining combining weights for a subset of beams based on combining weights for a different subset of beams.
11. A radio node arrangement for a radio access network, the radio node arrangement being configured to:
receive signaling from a plurality of antennas, the signaling representing transmissions received by the plurality of antennas;
perform a transformation of the signaling into a test beam space representation, the test beam space representation pertaining to a subset of reception beams selected from a set of reception beams;
determine a reception quality representation of the test beam space representation; and
perform processing based on the test beam space representation if the reception quality representation fulfils a quality requirement condition set, and otherwise, amend the subset of reception beams and returning to at least one of receiving signaling and performing a transformation.
12. The device according to claim 11 , wherein the reception quality representation represents a channel quality.
13. The device according to claim 11 , wherein the reception quality representation represents error occurrence.
14. The device according to claim 11 , wherein the reception quality representation is determined based on scheduling information pertaining to the transmissions.
15. The device according to claim 11 , wherein the quality requirement condition set is adaptable.
16. The device according to claim 11 , wherein performing a transformation comprises combining different components of the signaling based on a combining scheme.
17. The device according to claim 11 , wherein performing a transformation of the signaling is based on combining information pertaining to an earlier performed transformation.
18. The device according to claim 11 , wherein performing a transformation of the signaling comprises determining combining weights.
19. The device according to claim 11 , wherein performing a transformation of the signaling comprises determining combining weights for a subset of beams based on combining weights for a different subset of beams.
20. A non-transitory computer storage medium storing an executable computer program having instructions that, when executed, cause processing circuitry to at least one of control and perform a method of operating a radio node arrangement in a radio access network, the method comprising
receiving signaling from a plurality of antennas, the signaling representing transmissions received by the plurality of antennas;
performing a transformation of the signaling into a test beam space representation, the test beam space representation pertaining to a subset of reception beams selected from a set of reception beams;
determining a reception quality representation of the test beam space representation; and
performing processing based on the test beam space representation if the reception quality representation fulfils a quality requirement condition set, and otherwise, amending the subset of reception beams and returning to at least one of receiving signaling and performing a transformation.