A multi-access method for aircraft cooperative information network

A technology of information network and access method, applied in the field of wireless self-organizing network, which can solve the problems that the user access process is not yet clear, does not involve the transmission target airspace prediction function, and has not been proposed, so as to simplify the installation of multi-antenna aircraft information broadcasting process, low-latency information transmission capability, and possible effects of reducing signal collisions
CN109547973BActive Publication Date: 2021-08-10CHINA ACAD OF LAUNCH VEHICLE TECH
3 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA ACAD OF LAUNCH VEHICLE TECH
Publication Date
2021-08-10

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A method for multi-access access to an aircraft collaborative information network, including a time-frequency airspace joint signal transmission system, a transmission target airspace determination method, and a specific access process; the time-frequency airspace joint signal transmission system determines the high dynamic environment between nodes The frame structure is transmitted, and the time-frequency-space joint transmission of the transmission frame is realized by means of discrete pulses. The transmission target airspace determination method is used by the sending node to determine the antenna coverage area where the receiving node is located during a specific transmission process, and then supports the sending node to determine the antenna usage scheme when transmitting the specific information. The node access process is used to determine the access process during the establishment and operation of the collaborative information network, specific node information transmission, and network maintenance. The multiple access method can meet the requirements for establishment of a collaborative information network with increasing number of inter-station cooperative work nodes moving at high speed in the air / space and increasingly complex task modes, and can effectively reduce the simultaneous access delay of multiple nodes.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a multi-access method for an aircraft cooperative information network, which belongs to the technical field of wireless ad hoc networks, in particular to a multi-access method for a wireless ad-hoc network between outer space and high-speed moving objects in the air. Background technique

[0002] Multiple access technology is a key technology for building wireless ad hoc networks, and it is used to solve the problem of efficient and coordinated use of transmission resources by each node in the wireless ad hoc network. Realize the functions of marking the source of transmission information and avoiding transmission resource conflicts.

[0003] Traditional access methods can be roughly divided into access methods such as frequency division, time division, and code division. There are problems such as fixed delay and difficult time synchronization; the code division multiple access method has problems such as the near-far effect ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More