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Performance evaluation method and system for transmission link of satellite-ground convergence network, and medium

A transmission link and integrated network technology, applied in the transmission system, digital transmission system, radio transmission system, etc., to achieve the effect of reducing the difficulty of calculation, reducing the complexity of calculation, and reducing the difficulty of complexity

Active Publication Date: 2021-11-19
南京天际易达通信技术有限公司
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Problems solved by technology

[0005] Based on this, the embodiment of the present invention proposes a performance evaluation method, system and medium for the transmission link of the satellite-ground fusion network to solve the problem of how to reduce system performance based on the participation of multiple ground relay terminals in the satellite-ground fusion network in the prior art. Computational Difficulty of Quantitative Assessment, Technical Problems of Accurate Quantitative Assessment of System Performance

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  • Performance evaluation method and system for transmission link of satellite-ground convergence network, and medium
  • Performance evaluation method and system for transmission link of satellite-ground convergence network, and medium
  • Performance evaluation method and system for transmission link of satellite-ground convergence network, and medium

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[0042] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0043] The terms "comprising" and "having" and any variations thereof appearing in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or modules is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or app...

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Abstract

The invention discloses a performance evaluation method and system for a transmission link of a satellite-ground convergence network and a medium, and the method comprises the steps: comparing the signal to interference plus noise ratio of a direct transmission link in the satellite-ground convergence network with a preset reference value, and determining the direct transmission link or a relay link in the satellite-ground convergence network as the transmission link according to a comparison result. The calculation complexity of system implementation is reduced, and the system performance of the satellite-ground fusion network under multi-relay multi-link transmission and the high-complexity calculation degree of system implementation are balanced; after the transmission link is determined, the outage probability of the transmission link is calculated according to the signal to interference plus noise ratio of the transmission link, the complexity and difficulty of outage probability calculation can be reduced, the system performance of the selected transmission link is quantitatively evaluated based on the outage probability, the calculation difficulty of quantitative evaluation of the system performance is further reduced, and the system performance can be accurately evaluated.

Description

technical field [0001] The present application relates to the field of communications, and in particular to a performance evaluation method, system and medium for a transmission link of a satellite-terrestrial fusion network. Background technique [0002] With the development of satellite communication technology, the popularization of satellite communication for civilian use is accelerating, and satellite TV and satellite handheld terminals have been maturely applied to communication transmission. In the wireless communication system satellite, mobile communication and terrestrial mobile communication are the two leading technologies of communication technology. The fusion and collaborative work of the satellite communication network and the terrestrial mobile communication network can achieve all-weather and full-regional coverage of high-speed mobile Internet. [0003] In the satellite-ground integrated ground relay network, multiple ground relays can bring better system ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04L12/24
CPCH04B7/1851H04B7/18519H04L41/14
Inventor 王学玲李志强
Owner 南京天际易达通信技术有限公司
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