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Handover method based on handover-assisted micro base station in high-low frequency cooperative networking

A handover, micro base station technology, applied in the field of communication, can solve the problem of low handover success rate, and achieve the effect of improving the handover success rate, high success rate, and ensuring universality

Active Publication Date: 2020-08-11
BEIJING JIAOTONG UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide a handover method based on handover-assisted micro base stations in high-low frequency cooperative networking to solve the problem of low success rate of handover between macro cells

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  • Handover method based on handover-assisted micro base station in high-low frequency cooperative networking
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  • Handover method based on handover-assisted micro base station in high-low frequency cooperative networking

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Embodiment Construction

[0031] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0032] A handover method suitable for 5G high-low frequency cooperative networking proposed by the present invention is to introduce a handover auxiliary micro base station that can undertake user data information and part of control signaling between the macro cells of two macro base stations , simplifies the process of user terminal measurement reporting, optimizes the signaling transmission process, ensures that the user terminal will not be interrupted when switching between macro cells, and improves the success rate of...

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Abstract

The invention discloses a land-off method based on switching auxiliary micro base station in high / low frequency cooperative networking. Based on a high / low frequency cooperative networking system model, a switching auxiliary micro base station is introduced into a micro honeycomb overlapping region of two macro base stations, so when a user terminal is switched from a connected micro base stationto another macro base station, the user terminal is also kept to be connected with the switching auxiliary micro base station. Thus, a user signal measurement and reporting process is improved; signaling processes during land-off are optimized; and land-off success rate between macro honeycombs is improved. The high / low frequency cooperative networking is regarded to be one of key technologies forimproving capacity of the fifth generation of the mobile communication system. Along with application of millimeter waves and densification of the base station, the frequency and the complexity of the land-off are continuously improved, so the whole communication network will be faced with severe mobile management problems. A simulation result shows that the provided land-off method has favorableeffects in the aspect of system performance.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a handover method based on handover auxiliary micro base stations in high-low frequency cooperative networking. Background technique [0002] High and low frequency cooperative networking is considered to be one of the key technologies to improve the capacity of the fifth generation mobile communication system. This technology separates the control plane and user plane in the traditional networking, and adopts low frequency band (less than 6GHz) to carry out on the control plane. To control the transmission of information, high-frequency bands (greater than 6 GHz) are used to transmit user data information on the user plane, thereby increasing the capacity of the entire communication system. Due to the propagation characteristics of high-frequency radio waves and the communication requirements of 5G, the coverage area of ​​high-frequency micro cells in 5G high and low freq...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/10H04W36/00H04W36/08H04W36/30
CPCH04W24/10H04W36/0083H04W36/08H04W36/30
Inventor 赵军辉张子扬倪善金
Owner BEIJING JIAOTONG UNIV
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