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A method and device for dynamic network access based on concealed satellite communication system

A satellite communication system and dynamic technology, applied in the field of satellite communication, can solve problems such as affecting the performance of communication user systems, and achieve the effect of simplifying the signaling interaction process and reducing the network access time.

Active Publication Date: 2021-02-05
BEIJING SHENGAN TONGLI TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, in the same satellite network, using different network access methods to access the satellite network will also generate different degrees of signaling overhead and dynamic network access delays, which will affect communication users and system performance.

Method used

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  • A method and device for dynamic network access based on concealed satellite communication system
  • A method and device for dynamic network access based on concealed satellite communication system
  • A method and device for dynamic network access based on concealed satellite communication system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, a dynamic network access system method based on a concealed satellite communication system, the method includes: the satellite broadcasts channel information according to a set fixed period, and the broadcast channel information carries resource information and satellite ID number; the user terminal monitors the channel information broadcast by the satellite in real time , obtain the channel information, and then analyze the channel information to enter the silent mode, and trigger the dynamic network access process according to whether there is a business requirement; the method also includes:

[0036] Step 1: The user terminal monitors the channel information of the satellite broadcast in real time, obtains the channel information, and then analyzes the channel information to enter the silent mode, and triggers the dynamic network access process according to whether there is a business demand;

[0037] Step 2: The user terminal occupies the ...

Embodiment 2

[0049] refer to Figure 5 , Step 1 includes the following steps: Step 1.1: The user terminal performs signal search, locks the frequency point of the beam cell, and completes signal acquisition; Step 1.2: The user terminal starts to receive channel information broadcast by satellites, and analyzes the received channel information, and then Save the channel information; Step 1.3: The user terminal enters the silent mode. At this time, no channel resources are allocated, and service data cannot be sent, but signaling and services can be received.

[0050] Specifically, in the network initialization process of the covert satellite communication system, the network parameters of the satellite can be injected into relevant parameters by directly loading the initialization file, and the network parameters can also be modified by the gateway station through the feeder link; the network parameters of the user terminal can be designed Load the file and distribute it to each user termin...

Embodiment 3

[0052] refer to Image 6 , on the basis of the previous embodiment, the method further includes: when the user terminal needs to transmit data services, it can randomly select a signaling time slot in the current control signaling channel to send service call signaling, and initiate dynamic network access Process: Step A: The user terminal performs signal search, locks the frequency point of the beam cell, and after completing the signal acquisition, starts to receive the channel information broadcast by the satellite, and obtains the allocation of uplink and downlink time slots; Step B: The user terminal is on the control signaling channel Send service call signaling; Step C: The satellite decides whether to allocate resources for it according to the received service call signaling and the time slot resource allocation principle, and sends a response to inform the user terminal of resource allocation; Step D: After the user terminal receives the response , if channel resource...

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Abstract

The invention belongs to the technical field of satellite communication, and specifically relates to a method and device for dynamic network access based on a concealed satellite communication system. The system includes: a satellite and a user terminal; the method includes: the satellite broadcasts channel information according to a set fixed period, The broadcast channel information carries resource information and satellite ID number; the user terminal monitors the channel information of the satellite broadcast in real time, obtains the channel information, then analyzes the channel information and enters the silent mode, and triggers the dynamic network access process according to whether there is a business demand. The signaling interaction process is simplified, and the network access time is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of satellite communication, and in particular relates to a dynamic network access method and device based on a concealed satellite communication system. Background technique [0002] In recent years, communication technology has developed rapidly, satellite communication network is in a critical period of development, and its network access technology is the basis of network operation. However, due to the large difference between the satellite communication application environment and the ground environment, it has the characteristics of large link loss, large delay, and high dynamics. Traditional technologies cannot be applied to satellite communication networks. [0003] With the innovation of social science and technology and the continuous development of satellite communication technology, people's demand for network communication is relatively gradually increasing. For covert communication systems, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185
CPCH04B7/18582H04B7/18584
Inventor 董俊花关止
Owner BEIJING SHENGAN TONGLI TECH DEV CO LTD
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