Terminal equipment, network equipment, method for selecting a cell, and wireless communication system
A wireless communication system and network equipment technology, applied in the field of wireless communication systems, can solve problems such as inapplicability of wireless communication systems
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Embodiment 1
[0122] figure 2 A schematic structural diagram of a wireless communication system provided by the present application is shown. Such as figure 2 As shown, the wireless communication system includes: a terminal device 201, a first network device 202 in the first wireless communication system, and a second network device 203 in the second wireless communication system.
[0123] Wherein, the terminal device 201 and the second network device 203 have established an air interface connection, the first network device 202 and the second network device 203 are connected, and the terminal device 201 accesses the core of the first wireless communication system through the first network device 202 network, and access the target cell under the first network device 202.
[0124] Wherein, the first wireless communication system may be a wireless communication system evolved in the future, and the second wireless communication system may be an existing wireless communication system; or b...
Embodiment 2
[0133] In Embodiment 2, an interface connection is first established between the first network device 202 and the second network device 203 .
[0134] For example: the first network device 202 is a fifth generation (5th Generation, 5G) base station, the second network device 203 is an LTE base station, and the interface between the 5G base station and the LTE base station is pre-established, which we can call "X5 interface". .
[0135] For example: For example, a 5G base station learns the Transport Network Layer (TNL) address of an LTE base station through Operation&Maintenance (OAM) configuration, and then initiates a request to establish an X5 interface; or an LTE base station learns the TNL of a 5G base station according to OAM configuration Address the address, and then initiate a request to establish an X5 interface. 5G base stations and LTE base stations can exchange information such as cell load, data transmission delay, and backhaul link (backhaul) capacity with each...
Embodiment 3
[0184] The difference between embodiment three and embodiment two includes:
[0185] In the second embodiment, the terminal device 201 sends the cell information of at least one cell to the second network device 203, and the second network device 203 selects a target cell to be accessed by the terminal device 201 from the at least one cell, and the target cell belongs to the second network device 203. a network device 202;
[0186] In the third embodiment, the terminal device 201 selects a target cell by itself, and the target cell belongs to the second network device 203 .
[0187] In the third embodiment, an interface connection may also be first established between the first network device 202 and the second network device 203 . For the method of establishing an interface connection, reference may be made to Embodiment 2, which will not be repeated here.
[0188] Figure 4 It is a flow chart of the solution for selecting a cell provided in the third embodiment. Such as ...
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