Indication of subcarrier spacing numerology

1. A host configured to operate in a communication system to provide an over-the-top (OTT) service, the host comprising:

processing circuitry configured to provide user data; and

a network interface configured to initiate transmission of the user data to a network node in a cellular network for transmission to a user equipment (UE), the network node having a communication interface and processing circuitry, the processing circuitry of the network node configured to perform operations comprising:

determining a signaling message which indicates a subcarrier spacing numerology for a synchronization signal transmission, wherein the signaling message comprises a MeasObjectNR information element that indicates the subcarrier spacing numerology for the synchronization signal transmission;

transmitting the signaling message to the UE; and

transmitting the user data to the UE.

2. The host of claim 1 , wherein:

the processing circuitry of the host is configured to execute a host application that provides the user data, the host application configured to communicate with a client application associated with the host application to receive transmission of user data from the host.

3. The host of claim 1 , wherein the signaling message comprises an information element associated with cell reselection or an information element associated with frequency measurement.

4. The host of claim 1 , wherein the signaling message comprises a dedicated signaling message for the user equipment.

5. The host of claim 1 , wherein the signaling message comprises an indicator for indicating the subcarrier spacing numerology for the synchronization signal transmission in a specified frequency band.

6. The host of claim 1 , wherein the subcarrier spacing numerology is adaptive to a network configuration related to the user equipment.

7. The host of claim 1 , wherein the signaling message is a radio resource control connection reconfiguration message.

8. The host of claim 1 , wherein the signaling message is a radio resource control connection reconfiguration message, and wherein the MeasObjectNR information element comprised in the signaling message indicates a subcarrier spacing numerology for a synchronization signal transmission in a specified frequency band applicable for inter-radio access technologies New Radio (NR) neighboring cells.

9. A method implemented in a host configured to operate in a communication system that further includes a network node and a user equipment (UE), the method comprising:

providing user data for the UE; and

initiating a transmission carrying the user data to the UE via a cellular network comprising the network node, wherein the network node performs operations comprising:

determining a signaling message which indicates a subcarrier spacing numerology for a synchronization signal transmission, wherein the signaling message comprises a MeasObjectNR information element that indicates the subcarrier spacing numerology for the synchronization signal transmission; and

transmitting the signaling message to a user equipment.

10. The method of claim 9 , wherein the signaling message is a radio resource control connection reconfiguration message, and wherein the MeasObjectNR information element comprised in the signaling message indicates a subcarrier spacing numerology for a synchronization signal transmission in a specified frequency band applicable for inter-radio access technologies New Radio (NR) neighboring cells.

11. The method of claim 9 , wherein the signaling message comprises an information element associated with cell reselection or an information element associated with frequency measurement.

12. The method of claim 9 , wherein the signaling message comprises a dedicated signaling message for the user equipment.

13. The method of claim 9 , wherein the signaling message comprises an indicator for indicating the subcarrier spacing numerology for the synchronization signal transmission in a specified frequency band.

14. The method of claim 9 , wherein the subcarrier spacing numerology is adaptive to a network configuration related to the user equipment.

15. The method of claim 9 , wherein the signaling message is a radio resource control connection reconfiguration message.

16. A communication system configured to provide an over-the-top service, the communication system comprising:

a host comprising:

processing circuitry configured to provide user data for a user equipment (UE), the user data being associated with the over-the-top service; and

a network interface configured to initiate transmission of the user data toward a cellular network node for transmission to the UE, the network node having a communication interface and processing circuitry, the processing circuitry of the network node configured to perform operations comprising:

determining a signaling message which indicates a subcarrier spacing numerology for a synchronization signal transmission, wherein the signaling message comprises a MeasObjectNR information element that indicates the subcarrier spacing numerology for the synchronization signal transmission;

transmitting the signaling message to the UE; and

transmitting the user data to the UE.

17. The communication system of claim 16 , further comprising at least one of:

the network one; and

the UE.

18. The communication system of claim 16 , wherein the processing circuitry of the host is configured to execute a host application that provides the user data, the host application configured to communicate with a client application associated with the host application to receive transmission of user data from the host.

19. The communication system of claim 16 , wherein the signaling message comprises a dedicated signaling message for the user equipment.

20. A host configured to operate in a communication system to provide an over-the-top (OTT) service, the host comprising:

processing circuitry configured to provide user data; and

a network interface configured to initiate transmission of the user data to a cellular network for transmission to a user equipment (UE),

wherein the UE comprises a communication interface and processing circuitry, the communication interface and processing circuitry of the UE being configured to perform operations comprising:

receiving a signaling message from a network node, wherein the signaling message indicates a subcarrier spacing numerology for a synchronization signal transmission, wherein the signaling message comprises a MeasObjectNR information element that indicates the subcarrier spacing numerology for the synchronization signal transmission;

determining the subcarrier spacing numerology, based at least in part on the signaling message; and

receiving the user data.