Data transmission method, apparatus and system
First Claim
1. A data transmission method, wherein the method is executed by a base station in a communications system, the communications system further comprises a wireless local area network access point WLAN AP and user equipment, a bearer used to transmit data of the user equipment is disposed between the base station and a gateway device, a General Packet Radio Service Tunneling Protocol GTP tunnel is disposed between the base station and the WLAN AP, and the method comprises:
- sending, by the base station, first offloading indication information to the WLAN AP, wherein the first offloading indication information is used for instructing the WLAN AP to transmit data between the base station and the user equipment, and the first offloading indication information comprises identity information of the user equipment, wherein a piece of identity information is used for uniquely indicating a piece of user equipment in the communications system; and
performing, by the base station, transmission of target data with the user equipment through the GTP tunnel by using the WLAN AP, wherein the target data is all or some data on the bearer,wherein the base station has a first base station-side protocol stack and a second base station-side protocol stack, the first base station-side protocol stack is configured to implement, on a base station side, data processing on communication with the user equipment, and the second base station-side protocol stack is configured to implement, on the base station side, data processing on communication with the WLAN AP, wherein the second base station-side protocol stack is connected to at least one protocol layer of the first base station-side protocol stack; and
the performing, by the base station, transmission of target data with the user equipment through the GTP tunnel by using the WLAN AP comprises;
performing, by the base station, transmission of the target data with the user equipment by using at least one layer of the first base station-side protocol stack and the second base station-side protocol stack, through the GTP tunnel, and by using the WLAN AP.
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Abstract
The present invention provides a data transmission method, where the method is executed by a base station in a communications system, the communications system further includes a wireless local area network access point WLAN AP and user equipment, a bearer used to transmit data of the user equipment is disposed between the base station and a gateway device, a General Packet Radio Service Tunneling Protocol GTP tunnel is disposed between the base station and the WLAN AP, and the method includes: sending, by the base station, first offloading indication information to the WLAN AP, where the first offloading indication information is used for instructing the WLAN AP to transmit the target data between the base station and the user equipment, and the first offloading indication information includes identity information of the user equipment.
14 Citations
16 Claims
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1. A data transmission method, wherein the method is executed by a base station in a communications system, the communications system further comprises a wireless local area network access point WLAN AP and user equipment, a bearer used to transmit data of the user equipment is disposed between the base station and a gateway device, a General Packet Radio Service Tunneling Protocol GTP tunnel is disposed between the base station and the WLAN AP, and the method comprises:
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sending, by the base station, first offloading indication information to the WLAN AP, wherein the first offloading indication information is used for instructing the WLAN AP to transmit data between the base station and the user equipment, and the first offloading indication information comprises identity information of the user equipment, wherein a piece of identity information is used for uniquely indicating a piece of user equipment in the communications system; and performing, by the base station, transmission of target data with the user equipment through the GTP tunnel by using the WLAN AP, wherein the target data is all or some data on the bearer, wherein the base station has a first base station-side protocol stack and a second base station-side protocol stack, the first base station-side protocol stack is configured to implement, on a base station side, data processing on communication with the user equipment, and the second base station-side protocol stack is configured to implement, on the base station side, data processing on communication with the WLAN AP, wherein the second base station-side protocol stack is connected to at least one protocol layer of the first base station-side protocol stack; and the performing, by the base station, transmission of target data with the user equipment through the GTP tunnel by using the WLAN AP comprises; performing, by the base station, transmission of the target data with the user equipment by using at least one layer of the first base station-side protocol stack and the second base station-side protocol stack, through the GTP tunnel, and by using the WLAN AP. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A data transmission method, wherein the method is executed by user equipment in a communications system, the communications system further comprises a base station and a wireless local area network access point WLAN AP, a bearer used to transmit data of the user equipment is disposed between the base station and a gateway device, a General Packet Radio Service Tunneling Protocol GTP tunnel is disposed between the base station and the WLAN AP, and the method comprises:
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determining, by the user equipment, that the user equipment needs to perform data transmission with the base station through the WLAN AP; and performing, by the user equipment, transmission of target data with the base station through the WLAN AP, wherein the target data is transmitted between the WLAN AP and the base station through the GTP tunnel, and the target data is all or some data on the bearer, wherein the user equipment has a first user equipment-side protocol stack and a second user equipment-side protocol stack, the first user equipment-side protocol stack is configured to implement, on a user equipment side, data processing on communication with the base station, and the second user equipment-side protocol stack is configured to implement, on the user equipment side, data processing on communication with the WLAN AP, wherein the second user equipment-side protocol stack is connected to at least one protocol layer of the first user equipment-side protocol stack; and the performing, by the user equipment, transmission of target data with the base station through the WLAN AP comprises; performing, by the user equipment, transmission of the target data with the base station by using the at least one layer of the first user equipment-side protocol stack and the second user equipment-side protocol stack and through the WLAN AP. - View Dependent Claims (8, 9, 10)
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11. A data transmission apparatus, wherein a bearer used to transmit data of user equipment is disposed between the apparatus and a gateway device, a General Packet Radio Service Tunneling Protocol GTP tunnel is disposed between the apparatus and the WLAN AP, and the apparatus comprises:
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a first base station-side protocol stack, configured to implement data processing on communication with the user equipment; a second base station-side protocol stack, configured to implement data processing on communication with the WLAN AP, wherein the second base station-side protocol stack is connected to at least one protocol layer of the first base station-side protocol stack; and a transceiver unit, connected to the second base station-side protocol stack, and configured to perform transmission of target data with the user equipment through the GTP tunnel by using the WLAN AP, wherein the second base station-side protocol stack comprises an adaptation layer, the adaptation layer is configured to perform conversion processing on data between the at least one protocol layer of the first base station-side protocol stack and the second base station-side protocol stack, and the second base station-side protocol stack is connected to the at least one protocol layer of the first base station-side protocol stack by using the adaptation layer. - View Dependent Claims (12, 13)
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14. A data transmission apparatus, wherein the apparatus comprises:
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a first user equipment-side protocol stack, configured to implement data processing on communication with a base station, wherein a bearer used to transmit data of the user equipment is disposed between the base station and a gateway device, a General Packet Radio Service Tunneling Protocol GTP tunnel is disposed between the base station and a WLAN AP; a second user equipment-side protocol stack, configured to implement data processing on communication with the WLAN AP, wherein the second user equipment-side protocol stack is connected to at least one protocol layer of the first user equipment-side protocol stack; and a transceiver unit, connected to the second user equipment-side protocol stack, and configured to perform transmission of target data with the base station through the WLAN AP, wherein the target data is transmitted between the WLAN AP and the base station through the GTP tunnel, and the target data is all or some data on the bearer, wherein the second user equipment-side protocol stack comprises a bearer mapping layer, and the bearer mapping layer is configured to determine the bearer to which the target data belongs; and when the user equipment corresponds to at least two bearers, the transceiver unit is further configured to determine a bearer to which uplink target data of the target data belongs by using the bearer mapping layer, and generate second bearer indication information by using the bearer mapping layer, wherein the second bearer indication information is used for indicating the bearer to which the uplink target data belongs; and configured to send the second bearer indication information to the WLAN AP, so that the base station determines, according to the second bearer indication information forwarded by the WLAN AP or a second uplink GTP tunnel corresponding to the bearer to which the uplink target data belongs, the bearer to which the uplink target data belongs. - View Dependent Claims (15, 16)
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Specification