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1. WO2020160176 - MÉCANISMES POUR FAIRE CONVERGER LE RÉSEAU D'ACCÈS WI-FI AVEC LE RÉSEAU D'ACCÈS NOUVELLE RADIO (NR) 5G AU SEIN DU RÉSEAU D'ACCÈS RADIO

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[ EN ]

WHAT IS CLAIMED IS:

1. A base station (BS) apparatus, comprising:

a cellular distributed unit (DU);

a cellular central unit (CU), coupled to the cellular DU;

a wireless local area network (WLAN) CU, coupled to the cellular CU; and a WLAN DU, coupled to the WLAN CU, and configured to provide one or more user equipment (UE) measurements or UE event notifications to the WLAN CU, and to provide non-access stratum (NAS) signaling transport.

2. The BS apparatus of claim 1, wherein the cellular CU and the WLAN CU are coupled together to form a converged CU, wherein the converged CU supports a single set of N2 and N3 interfaces to support traffic management of data via a radio access network level traffic access management (RTAM) logical entity accessed by each of the cellular CU and WLAN CU.

3. The BS apparatus of claim 2, wherein the N2 interface is further configured to implement policy controls of a 5G core network (5GC) and WLAN in either direction.

4. The BS apparatus of claim 2, wherein the N2 interface is further configured to implement policy rules on the cellular CU from a 5GC for the RTAM.

5. The BS apparatus of claim 1, wherein the cellular CU and the WLAN CU are coupled via a Xz interface, wherein the Xz interface is configured to enable a control plane (CP) and a user plane (UP) data exchange between the cellular CU and WLAN CU, and wherein the cellular CU and the WLAN CU each support traffic management of data individually via a RTAM logical entity accessed by each individually.

6. The BS apparatus of claim 1, wherein the cellular CU and the WLAN CU are coupled via a Xz interface, wherein the Xz interface is configured to enable a control plane (CP) and a user plane (UP) data exchange between the cellular CU and WLAN CU, and wherein the cellular CU enables a UE initial access and radio access network (RAN) level connection over a cellular link, and wherein the cellular CU supports traffic management of data via a RTAM logical entity.

7. The BS apparatus of claim 1, wherein the cellular CU and the WLAN CU are coupled via a Xz interface, wherein the Xz interface is configured to enable a control plane (CP) and a user plane (UP) data exchange between the cellular CU and WLAN CU, and wherein the WLAN CU enables a UE initial access and a radio access network (RAN) level connection over a WLAN link, and wherein the WLAN CU supports traffic management of data via a RTAM logical entity.

8. A method of operating a base station (BS) apparatus, comprising:

communicating, by the BS, with a 5G core network (5GC) via an N2 or N3 interface;

communicating, by the BS, with a user equipment (UE) via a cellular link, a wireless local area (WLAN) link, or a combination thereof; and

performing, by the BS, a traffic management of data with the 5GC via the N2 or N3 interface, and with the UE, via the cellular link, the WLAN link, or a combination thereof.

9. The method of claim 8, wherein the communicating with the UE via the cellular link is performed by a cellular distributed unit (DU).

10. The method of claim 8, wherein communicating with the UE via the WLAN link is

performed by a WLAN DU.

11. The method of claim 9, further comprising routing data received by the cellular DU

through a cellular central unit (CU).

12. The method of claim 10, further comprising routing data received by the WLAN DU

through a WLAN CU.

13. The method of claim 11 wherein performing the traffic management of data is done by a radio access network level traffic access management (RTAM) logical entity from within the cellular CU.

14. The method of claim 12 wherein performing the traffic management of data is done by a RTAM logical entity from within the WLAN CU.

15. A non-transitory computer readable medium having instructions stored thereon that, when executed by a base station (BS) apparatus, cause the BS apparatus to perform operations comprising:

communicating with a 5G core network (5GC) via a N2 or N3 interface;

communicating with a user equipment (UE) via a cellular link, a wireless local area (WLAN) link, or a combination thereof; and

performing a traffic management of data with the 5GC, via the N2 or N3 interface, and the UE, via the cellular link, the WLAN link, or a combination thereof.

16. The non-transitory computer readable medium of claim 15, wherein the operations further comprise:

communicating with the UE via the cellular link via a cellular distributed unit (DU); and

communicating with the UE via the WLAN link via a WLAN DU.

17. The non-transitory computer readable medium of claim 15, wherein the operations further comprise routing data received by the cellular DU through a cellular central unit (CU).

18. The non-transitory computer readable medium of claim 15, wherein the operations further comprise routing data received by the WLAN DU through a WLAN CU.

19. The non-transitory computer readable medium of claim 17, wherein the operations further comprise performing the traffic management of data by a radio access network level traffic access management (RTAM) logical entity from within the cellular CU.

20. The non-transitory computer readable medium of claim 18, wherein the operations further comprise performing the traffic management of data by a RTAM logical entity from within the WLAN CU.