Space-space-ground integrated network architecture based on near space platform

A near-space platform and system architecture technology, applied in the field of air-space-ground integrated network system architecture, can solve the problems of low upper limit of network communication service quality and lack of introduction, etc., achieve system access capacity improvement, system delay overhead improvement, and improve communication The effect of quality of service

Active Publication Date: 2022-04-22
CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In IEEE J.on Communications and Networks, a software-defined energy-efficient hybrid satellite 5G network is also mentioned, and the corresponding access strategy and coverage probability are given. And radio resource management methods for two types of services, but this architecture only involves ground 5G systems and synchronous satellite communication systems, and lacks the introduction of important nodes such as low-orbit satellite mobile communication systems and air base stations, making the upper limit of network communication service quality relatively low. low, therefore, a space-ground integrated network architecture based on near-space platforms is proposed

Method used

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  • Space-space-ground integrated network architecture based on near space platform
  • Space-space-ground integrated network architecture based on near space platform
  • Space-space-ground integrated network architecture based on near space platform

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Embodiment 1

[0057] Such as figure 1 As shown, this embodiment provides a technical solution: a design method for an air-space-ground integrated network architecture based on a near-space platform, including the following steps:

[0058] S1: Introducing near-space platform vehicles

[0059] Introduce the aircraft near the space platform into the satellite network and ground network architecture to form an air-space-ground integrated network architecture;

[0060] S2: Formulate a communication link frequency band planning plan

[0061] The communication link between synchronous satellites uses laser for transmission, the communication link between aircraft uses EHF frequency band for transmission, and the communication link between low-orbit satellites uses EHF frequency band or laser for transmission;

[0062] The communication link between the geostationary satellite and the aircraft uses laser for transmission, the communication link between the geostationary satellite and the low-orbi...

Embodiment 2

[0093] Such as figure 2 As shown, it is the overall network architecture diagram in this embodiment. According to the characteristics of various nodes, the communication nodes and their functions in this embodiment include:

[0094] Geostationary satellites (3), used as remote relays and access nodes for special terminals, including various satellite terminals and spacecraft;

[0095] Low-orbit satellites (60), used as the main access node and medium-to-short-distance relay node in non-terrestrial network areas;

[0096] Near-space platform airships (5 to 10), used as hotspots not covered by terrestrial networks and access nodes for emergency communications;

[0097] Ground station gateways (4 to 8), used to link the air-space network and the ground network network, and realize protocol conversion between different networks;

[0098] Cloud centers (1 to 2), used to realize network storage, calculation, detection and control functions;

[0099] 5G base stations (several) ar...

Embodiment 3

[0125] This example Figure 8 As shown, the communication between the cloud center and the mobile terminal under the coverage of the airship in the adjacent space, for high-speed services, the mobile terminal passes through the airship and then transmits to the low-orbit satellite. The communication link connection sequence is: mobile terminal-airship-low-orbit satellite-ground station Gateway-cloud center; for low-speed and high-delay services, the mobile terminal directly bypasses the airship and connects to the low-orbit satellite to transmit data. The communication link connection sequence is: mobile terminal-low-orbit satellite-ground station gateway-cloud Center, where the link between the mobile terminal and the airship uses the Ka band, the link between the mobile terminal and the low-orbit satellite also uses the Ka band, the link between the airship and the low-orbit satellite uses the EHF band, and the low-orbit satellite and The link between the ground station gate...

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Abstract

The invention discloses an air-space-ground integrated network architecture based on a near-space platform, which belongs to the technical field of wireless communication, and includes the following steps: S1: introducing an aircraft of a near-space platform; S2: formulating a communication link frequency band planning scheme; S3: simplifying protocol design. When selecting a communication link, it is based on the principle of minimizing the propagation delay and the number of routing hops according to the geographical location relationship and business type of the two communicating users. The invention introduces the near-space platform aircraft into the network architecture to integrate the satellite network and the ground network, and effectively improves the communication service quality of the non-ground network coverage area while achieving global coverage, and has strong robustness. By designing a simplified protocol process, frequency band planning scheme, and link selection scheme, it can significantly improve the rerouting rate and switching rate, system delay overhead, and system access capacity, and is worthy of promotion and use.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to an air-space-ground integrated network architecture based on a near-space platform. Background technique [0002] Compared with traditional terrestrial mobile communication networks, satellite networks can achieve global coverage and are more robust, providing communication coverage for non-terrestrial areas, remote areas, and disaster areas. However, the satellite network has disadvantages such as large power loss, large time delay, large single-beam coverage and small capacity, which makes the upper limit of the communication service quality of the satellite network low. Therefore, it is necessary to design an integrated network that integrates the satellite network and the terrestrial network. Air base stations such as airships and balloons in near space, as communication nodes, have the advantages of both ground mobile communication networks and satelli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04B7/185
CPCH04W16/18H04B7/18502H04B7/1851
Inventor 张正宇胡树楷姚艳军张靖贺超彭立军任伟龙赵靓邹永庆周家喜肖海红
Owner CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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