Patent ID: 11889433
Assignee: NOKIA SOLUTIONS AND NETWORKS OY
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The apparatus according to claim 7, wherein the at least one memory and computer program code are further configured, with the at least one processor, to cause the apparatus to perform:
determining, at the first radio device, whether the wireless link between the second radio device and the radio device is ground communications or sky communications on the basis of at least one of:
an antenna noise temperature of the first radio device;
a change of signal to noise ratio at the first radio device;
a handover of the second radio device between a cell for ground communications and a cell for sky communications;
3D position information of the second radio device;
topographic information of an area underlying the wireless link;
a communications direction of a receiving antenna;
physical installation data of first radio device antenna for receiving the transmission.