Back to results
US 11,606,733 B2Granted
Radio communication system, base station, mobile station, communication control method, and computer readable medium
AssigneeNEC Corporation
InventorsHiroaki Aminaka, Hisashi Futaki
Life of this patent
Estimating the term…
Abstract
A first base station (1) is configured to send, to a second base station (2), first configuration information that is necessary to establish a data bearer and a data radio bearer in the second base station (2) for a C/U-plane split scenario. Further, the first base station (1) is configured to send, to a third base station (3), configuration information (e.g., LPN information) regarding the data bearer established in the second base station (2) when a mobile station (4) moves from a first cell (10) to a third cell (30) (S103 and S104). It is thus, for example, possible to contribute to a reduction in wasted signaling when a UE moves between cells in the C/U-plane split scenario.
Claims22
A method for a first base station, the method comprising:
- transmitting, to a second base station, a first message requesting the second base station to configure a user plane (U-plane) path, wherein the U-plane path connects a data transfer apparatus through the second base station to a user equipment (UE), wherein the first message includes:
- an identifier of the U-plane path;
- a QoS information of the U-plane path;
- an address of the data transfer apparatus;
- and
- a first Tunnel Endpoint Identifier (TEID) on the data transfer apparatus's side, the first TEID corresponding to the U-plane path;
- and
- transmitting, to a third base station, a second message requesting a handover of a control plane (C-plane) path from the first base station to the third base station without changing the U-plane path, wherein the C-plane path connects a mobility management apparatus through the first base station to the UE, wherein the second message includes:
- an identifier of the second base station;
- the identifier of the U-plane path;
- the QoS information of the U-plane path;
- the address of the data transfer apparatus;
- and
- the first TEID.
11 more elements
A first base station comprising:
- a memory storing instructions;
- and
- at least one hardware processor configured to process the instructions to:
- transmit, to a second base station, a first message requesting the second base station to configure a user plane (U-plane) path, wherein the U-plane path connects a data transfer apparatus through the second base station to a user equipment (UE), wherein the first message includes:
- an identifier of the U-plane path;
- a QoS information of the U-plane path;
- an address of the data transfer apparatus;
- and
- a first Tunnel Endpoint Identifier (TEID) on the data transfer apparatus's side, the first TEID corresponding to the U-plane path;
- and
- transmit, to a third base station, a second message requesting a handover of a control plane (C-plane) path from the first base station to the third base station without changing the U-plane path, wherein the C-plane path connects a mobility management apparatus through the first base station to the UE, wherein the second message includes:
- an identifier of the second base station;
- the identifier of the U-plane path;
- the QoS information of the U-plane path;
- the address of the data transfer apparatus;
- and
- the first TED.
14 more elements
A method for a third base station, the method comprising:
- receiving, from a first base station, a first message requesting a handover of a control plane (C-plane) path from the first base station to the third base station without changing a user plane (U-plane) path, wherein the C-plane path connects a mobility management apparatus through the first base station to a user equipment (UE), wherein the U-plane path connects a data transfer apparatus through a second base station to the UE,
- wherein the first message includes:
- an identifier of the second base station;
- an identifier of the U-plane path;
- a QoS information of the U-plane path;
- an address of the data transfer apparatus;
- and
- a first Tunnel Endpoint Identifier (TEID) on the data transfer apparatus's side, the first TEID corresponding to the U-plane path.
5 more elements
A third base station comprising:
- a memory storing instructions;
- and
- at least one hardware processor configured to process the instructions to:
- receive, from a first base station, a first message requesting a handover of a control plane (C-plane) path from the first base station to the third base station without changing a user plane (U-plane) path, wherein the C-plane path connects a mobility management apparatus through the first base station to a user equipment (UE), wherein the U-plane path connects a data transfer apparatus through a second base station to the UE, wherein the first message includes:
- an identifier of the second base station;
- an identifier of the U-plane path;
- a QoS information of the U-plane path;
- an address of the data transfer apparatus;
- and
- a first Tunnel Endpoint Identifier (TEID) on the data transfer apparatus's side, the first TEID corresponding to the U-plane path.
7 more elements
Dependencies are inferred from the claim text.