Information transmission method, base station and user equipment
A technology of information transmission and base station, which is applied in transmission system, wireless communication, connection management, etc., can solve the problem of high signaling overhead and achieve the effect of saving signaling overhead and reducing communication delay
Active Publication Date: 2021-06-04
HUAWEI TECH CO LTD
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Problems solved by technology
In the prior art, if the previous serving base station and the new serving base station of the UE are base stations of different standards, when the UE in the inactive or lightly connected state switches to the new serving base station, the previous serving base station will release all the contexts of the UE , and furthermore, the new serving base station needs a large number of signaling interactions on the interface between base stations and the air interface to regenerate the context for the UE, and the signaling overhead is large
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[0057] The technology described in the embodiments of this application can be used in various communication systems, such as 4G (the fourth generation, fourth generation) systems such as LTE systems, NR communication systems, and 5G (the fifth generation, eLTE) systems such as evolved LTE (evolved LTE, eLTE) systems. fifth generation) system.
[0058] The base station equipment described in the embodiment of the present application includes an evolved Node B (NodeB or eNB or e-NodeB, evolved Node B) in the LTE system, or a base station equipment in the NR system, such as gNB, transmission point (transmission point, TRP ) or centralized unit (central unit, CU). When an LTE eNB can be connected to a 5G core network, the LTE eNB can also be called an eLTE eNB. Specifically, the eLTE eNB is an evolved LTE base station device based on the LTE eNB, and can be directly connected to the 5G core network (5G-Core, 5G CN). The embodiment of the present application does not specifically...
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An embodiment of the present application provides an information transmission method. The first base station sends the context of the terminal to the second base station according to the request of the second base station. The request message of the second base station includes a first identifier, and the first identifier is The identifier of the terminal in the unconnected state in the area configured by the first base station, the context of the terminal includes the context related to the core network, and the second base station can execute the corresponding The RRC configuration of the radio resource control, wherein, the first base station and the second base station have different standards, therefore, during the communication process between the second base station and the terminal, it is possible to reduce the signaling interaction between the interface between the base stations and the air interface, and save signaling overhead, Reduce communication delay.
Description
technical field [0001] The embodiments of the present application relate to wireless communication technologies, and in particular to an information transmission method, a base station, and user equipment. Background technique [0002] During a communication process between a user equipment (user equipment, UE) and a network side, the UE generally has two states: an idle (idle) state and a connected (connected) state. During the transition of the UE from the idle state to the connected state, establishing a connection between the UE and the network requires a lot of signaling interaction, and establishing a connection between the base station and the core network for the UE also involves a lot of signaling interaction. At the same time, signaling interaction will cause time delay for UE to send data, affecting service data transmission. [0003] In order to reduce the signaling overhead on the air interface and network interface and reduce the communication delay, in the lo...
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IPC IPC(8): H04W36/00H04W36/08H04W76/27
CPCH04W36/0033H04W36/0066H04W36/08H04W36/322H04W36/144H04W88/06H04W76/27H04W52/0229Y02D30/70H04L61/5038H04W76/11
Inventor 彭文杰戴明增
Owner HUAWEI TECH CO LTD