Mobile communication system for improving data link transmission reliability by adopting double terminals
A mobile communication system and data link technology, applied in the field of mobile communication systems, can solve problems such as high correlation, no consideration of dual UE dual links, unfavorable wireless link transmission reliability, etc., to reduce correlation and improve reliability effect
Pending Publication Date: 2020-12-08
GUANGDONG COMM & NETWORKS INST
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[0003] However, in the existing mechanism, only a single UE to the base station is considered to achieve dual links, and the situation of dual UEs and single links for each UE is also considered, but the situation of dual UEs and dual links for each UE is not considered. In addition, in actual application scenarios, the UE and the Device or the control device are not necessarily integrated together, and for dual-UE integration, the distance between the antennas of the dual-UE will be relatively small, so the wireless link channel between the antennas of different UEs and the base station The correlation is relatively large, which is not conducive to the reliability of wireless link transmission
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[0018] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0019] Such as figure 1 As shown, the embodiment of the present invention provides a mobile communication system, which is applied to an application scenario where the user equipment (UE) and the control device are not integrated together, including: a control terminal, a first UE (UE1) separated from each other, and The second UE (UE2) and at least one radio access network (RAN), the first UE and the second UE are connected to the control device through a wired network or a wireless network, and the first UE and the second UE are respectively established with at least one...
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The invention provides a mobile communication system for improving data link transmission reliability by adopting double terminals, which is applied to an application scene that user equipment (UE) and a control device are not integrated together, and comprises a control terminal, a first UE and a second UE which are separated from each other, and at least one radio access network (RAN), wherein both the first UE and the second UE are connected with the control device through a wired network or a wireless network, and the first UE and the second UE respectively establish a wireless data link with at least one RAN. According to the system, the reliability of transmission between the RAN and the UE is improved by adopting a single-UE double-link or double-UE single-link or double-link schemeunder the condition of single UE and double UE; and through dual-UE separation, the correlation of channels between the dual UE and the base station is reduced, so that the reliability of wireless link transmission from the dual UE to the base station is improved.
Description
technical field [0001] The present application relates to the field of mobile communication, in particular to a mobile communication system that adopts dual terminals to improve the reliability of data link transmission. Background technique [0002] In the mobile communication system, the reliability of data link transmission needs to be considered, especially in the 3GPP R16 standard of the fifth generation mobile communication (5G), dual links are supported to build a highly reliable and low-latency network, and a redundant user plane path mechanism , realizing the enhancement of user session continuity in mobility procedures such as PSA (PDU Session Anchor) relocation and UL CL (Uplink Classifier) relocation. Such as figure 1 As shown, through the end-to-end user plane redundancy scheme, data packets are replicated and duplicate packets are eliminated at the application layer. The same data packets are transmitted between two PDU sessions, and the base station uses du...
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IPC IPC(8): H04W28/02H04W76/15
CPCH04W28/0294H04W76/15
Inventor 王志刚朱伏生李树春罗倩倩
Owner GUANGDONG COMM & NETWORKS INST