Time Division Based Maximum Flow Routing Method for Transceiver Constrained Spatial Information Networks

A space information network, information network technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve problems such as limitations

Active Publication Date: 2020-08-25
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to address the deficiencies in the prior art above, and propose a time-division-based maximum flow routing method for the limited space information network of transceivers. This method independently distributes transceivers by dividing the time interval into multiple time segments. Signal resource, which solves the limitation of the number of transceivers on the number of connected links, can make more efficient use of node resources and transceiver resources, and improve the throughput of end-to-end nodes in the spatial information network

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  • Time Division Based Maximum Flow Routing Method for Transceiver Constrained Spatial Information Networks
  • Time Division Based Maximum Flow Routing Method for Transceiver Constrained Spatial Information Networks
  • Time Division Based Maximum Flow Routing Method for Transceiver Constrained Spatial Information Networks

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[0045] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0046] refer to figure 1 , the specific implementation steps of the present invention will be further described in detail.

[0047] Step 1, construct the time expansion graph of the spatial information network.

[0048] Taking the time period in which the topology of the spatial information network maintains the same state as the time interval, divide an operating cycle [0, T] of the spatial information network equally with τ as the time length, and obtain L equal-length time intervals, that is, T =τ·L, record the lth time interval as time interval l according to the time sequence, assuming that the network topology state under the condition of unlimited transceivers remains unchanged in each time interval, only at the moment of time interval switching change.

[0049] The time expansion graph G(V) of constructing the spatial information network C ,E), wh...

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Abstract

The invention discloses a time-division-based maximum flow routing method for a limited space information network of a transceiver. The specific implementation steps are as follows: first construct a time expansion graph, divide node copy link types, and generate extended inflow and outflow link sets; then divide time segments, allocate transceiver resources in units of time segments; finally adjust spatial information network chains The amount of data transmitted in the road generates the maximum flow route of the spatial information network. The invention solves the problem that the number of transceivers limits the number of connected links, can utilize node resources and transceiver resources more efficiently, and improve the throughput of end-to-end nodes in a space information network.

Description

technical field [0001] The invention belongs to the field of electric communication technology, and further relates to a time-division-based maximum flow routing method for a limited space information network of a transceiver in the field of space information network technology. The invention can be used for data transmission in the limited space information network of transceivers such as the Internet, the Internet of Things, mobile communication, satellite communication and deep space. Background technique [0002] The space information network is a network system that acquires, transmits and processes space information in real time with space platforms (such as geostationary satellites or medium- and low-orbit satellites and manned or unmanned aircraft) as carriers. Because the nodes in the spatial information network are in high-speed movement, the network topology often has the characteristics of changing with time and intermittent connectivity, and satellite nodes usua...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04L12/759H04L45/28
CPCH04L45/38H04L45/028
Inventor 刘伟朱琳李红艳李建东
Owner XIDIAN UNIV
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