Active cooperative transmission triggering method based on statistical information
A technology of cooperative transmission and active triggering, applied in wireless communication, electrical components, connection management, etc., can solve the problem of low link performance of wireless mobile backhaul links, and achieve faster establishment and release, improved accuracy, and guaranteed performance. effect of demand
Inactive Publication Date: 2014-04-02
SHANGHAI RES CENT FOR WIRELESS COMM
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Problems solved by technology
[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a method for actively triggering cooperative transmission based on statistical information, which is used to solve the problem of low link performance of wireless mobile backhaul links in the prior art
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[0050] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.
[0051] Please refer to attached picture. It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be change...
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The invention provides an active cooperative transmission triggering method based on statistical information. The active cooperative transmission triggering method comprises the following steps: establishing return link cooperative transmission, namely acquiring own state information by a mobile relay, comparing with corresponding historical statistical information stored in the mobile relay, sending cooperation establishment requesting information, and deciding whether to start up cooperative transmission by a serving base station; releasing the return link cooperative transmission, namely constantly updating the own state information by the mobile relay, comparing with the corresponding historical statistical information stored in the mobile relay, sending cooperation release requesting information, and after reception of the cooperation release requesting information, replying cooperation release responding information to the mobile relay. By the active cooperative transmission triggering method, in allusion to quick startup of establishment or release of the return link cooperative transmission in high-speed movement, the transmission capacity of a return link is effectively increased and link demands of edge users of the mobile relay system are ensured.
Description
technical field [0001] The invention belongs to the field of wireless communication, and relates to a cooperative transmission active triggering method, in particular to a statistical information-based cooperative transmission active triggering method. Background technique [0002] In order to meet the coverage requirements in high-speed mobile scenarios, we can achieve this by installing mobile relays on high-speed mobile public transportation tools (such as high-speed rail, buses, etc.). The performance of the backhaul link (Backhaul Link) between the serving base station and the mobile relay also fluctuates accordingly. Therefore, providing more reliable and effective high-speed data transmission for high-speed moving vehicles on the backhaul link will become the future It is an important research difficulty in the field of communication. [0003] Currently, there are many discussions and studies on quality enhancement of wireless backhaul links in the long term evolutio...
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Inventor朱文升王江徐景腾勇霍内曼·卡里
OwnerSHANGHAI RES CENT FOR WIRELESS COMM