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Sub-band switching path planning method and system

A technology for exchanging paths and planning systems, which is applied in the field of communications and can solve problems such as inability to complete conflict path planning, inability to resolve path conflicts, and inability to be utilized by users.

Active Publication Date: 2020-02-25
XIAN INSTITUE OF SPACE RADIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing sub-band switching path planning algorithm cannot solve the path conflict problem when planning the switching relationship, and thus cannot complete the conflict path planning, so that although the satellite flexible transponder has idle uplink and downlink channel resources, it cannot be resolved due to path conflict planning failure. exploited by users

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  • Sub-band switching path planning method and system
  • Sub-band switching path planning method and system
  • Sub-band switching path planning method and system

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Embodiment Construction

[0070] The present invention will be further introduced below in conjunction with the accompanying drawings.

[0071] A sub-band switching path planning method, comprising the following steps:

[0072] (1) Record the exchange relationship that needs to be planned, including input port number m, input subband number n, output port number p, and output subband number q; the scale of subband exchange is M ports, and each port contains N subbands ; Store all input and output sub-band exchange relationships in a linked list, which becomes an exchange relationship list; the maximum depth of the exchange relationship list is MN, and each link list node stores a quadruple Used to represent an exchange relationship.

[0073] (2) according to the exchange relationship linked list described in step (1), determine the state of all nodes in the exchange relationship linked list with a flag, be divided into unplanned and planned two kinds;

[0074] (3) define intermediate node group 1 an...

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Abstract

The invention discloses a sub-band switching path planning method and system, and the method comprises the steps: building a sub-band switching equivalent model based on a TST multistage sub-band switching structure in a flexible forwarding processor, achieving the mapping from a sub-band input and output relation to a switching path, and achieving the full planning of the sub-band switching paththrough an iterative replacement method. The exchange paths of all sub-band input and output relations can be calculated within the determined time, automatic calculation from flexible forwarding processing load exchange relation input to load configuration output is achieved, and the method is particularly suitable for configuration and management of high-throughput satellite flexible forwardingloads.

Description

technical field [0001] The invention relates to a method and system for subband switching path planning, belonging to the technical field of communication. Background technique [0002] Subband switching is proposed for exchanging subband data after digital channelization processing. This switching structure is characterized by a large number of ports, high data throughput, and predefined switching paths. It is a typical circuit switching structure. In terms of implementation, it usually consists of a time-division switching unit and a space-division switching unit, and the number of switching stages is 3. [0003] When planning subband switching paths, once multiple optional paths appear, one is usually selected randomly or according to certain rules. This blindness in selection leads to resource conflicts at intermediate nodes when planning subsequent switching relationships. When the existing sub-band switching path planning algorithms face the problem of path conflict, ...

Claims

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Application Information

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IPC IPC(8): H04L12/933H04L12/937H04L12/883H04L49/9015
CPCH04L49/101H04L49/253H04L49/9015
Inventor 孙汉汶田洲赵哲李园利刘岩惠蕾放杜嵩
Owner XIAN INSTITUE OF SPACE RADIO TECH