Beam selection for high frequency wireless communication network
There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a selected signaling beam from a set of signaling beams, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams. The disclosure also pertains to related devices and methods.
1. A method of operating a radio node in a wireless communication network, the method comprising communicating using a selected signaling beam from a set of signaling beams, and the communicating comprising using a waveform with at least a cyclic prefix, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams, the delay characteristic including at least a delay spread distribution falling into the cyclic prefix.
2. The method according to claim 1 , wherein the beam signaling characteristic at least one of represents and indicates at least one of a signal strength and a signal quality.
3. The method according to claim 1 , wherein the delay characteristic at least one of represents and indicates at least one of:
mean delay;
delay spread;
delay distribution;
delay spread range;
relative delay spread;
energy distribution; and
impulse response to received signaling.
4. The method according to claim 1 , wherein at least one of the beam signaling characteristic and the delay characteristic is based on at least one measurement performed on reference signaling associated to a reference beam corresponding to the signaling beam the at least one of the beam signaling characteristic and the delay characteristic pertains to.
5. The method according to claim 1 , wherein the selected signaling beam is a signaling beam from a subset of the set of signaling beams fulfilling a delay characteristic criterion.
6. The method according to claim 1 , wherein the selected signaling beam is optimised for at least one of signal quality and signal strength.
7. The method according to claim 1 , wherein the selected signaling beam is the beam with the delay characteristic corresponding to the lowest delay of the set of signaling beams.
8. The method according to claim 1 , wherein communicating using the selected signaling beam at least one of:
comprises utilising a numerology; and
is based on at least one of an OFDM and an SC-FDM based waveform.
9. The method according to claim 1 , wherein a beam of the set of signaling beams corresponds to a reference beam.
10. The method according to claim 1 , wherein a beam of the set of signaling beams is produced by performing analog beamforming on a beam corresponding to a reference beam.
11. The method according to claim 1 , wherein a beam of the set of signaling beams is produced by hybrid beamforming.
12. A radio node for a wireless communication network, the radio node being configured to communicate using a selected signaling beam from a set of signaling beams, and the communicating comprising using a waveform with at least a cyclic prefix, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams, the delay characteristic including at least a delay spread distribution falling into the cyclic prefix.
13. The device according to claim 12 , wherein the beam signaling characteristic at least one of represents and indicates at least one of a signal strength and a signal quality.
14. The device according to claim 12 , wherein the delay characteristic at least one of represents and indicates at least one of:
mean delay;
delay spread;
delay distribution;
delay spread range;
relative delay spread;
energy distribution; and
impulse response to received signaling.
15. The device according to claim 12 , wherein at least one of the beam signaling characteristic and the delay characteristic is based on at least one measurement performed on reference signaling associated to a reference beam corresponding to the signaling beam the at least one of the beam signaling characteristic and the delay characteristic pertains to.
16. The device according to claim 12 , wherein the selected signaling beam is a signaling beam from a subset of the set of signaling beams fulfilling a delay characteristic criterion.
17. The device according to claim 12 , wherein the selected signaling beam is optimised for at least one of signal quality and signal strength.
18. The device according to claim 12 , wherein the selected signaling beam is the beam with the delay characteristic corresponding to the lowest delay of the set of signaling beams.
19. A non-transitory computer storage device storing executable computer instructions that, when executed, cause processing circuitry to at least one of control and perform a method of operating a radio node in a wireless communication network, the method comprising communicating using a selected signaling beam from a set of signaling beams, and the communicating comprising using a waveform with at least a cyclic prefix, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams, the delay characteristic including at least a delay spread distribution falling into the cyclic prefix.