Timeslot interchange operating method for time division multiple address access system in wireless mobile self-organized network

A technology of time-division multiple access and mobile self-organization, which is applied in time-division multiplexing systems, wireless communications, network topology, etc., to achieve the effects of improving utilization, improving invulnerability, and enhancing real-time performance

Inactive Publication Date: 2012-03-21
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the many studies above, there is no precedent for Ad Hoc network nodes to independently realize TDMA time slot exchange during network operation.

Method used

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  • Timeslot interchange operating method for time division multiple address access system in wireless mobile self-organized network
  • Timeslot interchange operating method for time division multiple address access system in wireless mobile self-organized network
  • Timeslot interchange operating method for time division multiple address access system in wireless mobile self-organized network

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Embodiment Construction

[0024] In the present invention, the Ad Hoc network sets the network cycle length according to the maximum network scale expectation, and the mini-slot is the basic unit in the network cycle, that is, each time slot is composed of several mini-slots. The time slots in the network cycle are divided into business time slots and contention time slots, among which the contention time slots are used to send high-priority messages in emergency situations. In the initialization stage, all business time slots are evenly distributed to all existing nodes in the network. In the specific operation process of the network, due to the needs of network tasks or changes in the topology structure, when the message data volume of some network nodes is large or the priority of the message is high, more information can be obtained through the time slot exchange method proposed by the present invention. A time slot that is more suitable for your own business needs.

[0025] Taking the maximum net...

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Abstract

The invention belongs to the wireless mobile self-organized network technical field, and specifically relates to a timeslot interchange method for achieving a time division multiple address access system in the wireless mobile self-organized network. The timeslot interchange operating method comprises the following steps: sending application timeslot information to the timeslot application node to apply required quantities of mini-slots; evaluating the network load by other nodes in the network and sending release timeslot information by the node satisfying the requirements; selecting the optimal timeslot by the timeslot application node, sending the timeslot acceptation information for confirming, releasing the node release mini-slots by the timeslot release node, and using the mini-slots by the timeslot application node. The free timeslot resource in the network is reasonably distributed by the method; the utilization rate of the network resource is improved; the real time of sending high priority message is enhanced; and the invulnerability of the system is improved.

Description

technical field [0001] The invention belongs to the technical field of wireless mobile self-organizing network (Ad Hoc network), and in particular relates to a time slot exchange method for realizing a Time Division Multiple Access (TDMA) system in the Ad Hoc network. Background technique [0002] Wireless Mobile Ad Hoc Network (Ad Hoc Network) is a special wireless mobile communication network. It consists of a distributed group of network nodes (routers with multiple terminals, mobile communication equipment, etc.) with dynamic network access capabilities without any fixed infrastructure. It is a multi-hop, temporary autonomous system with Self-organizing, self-forming, and can be quickly built with the application. Because these characteristics of the Ad Hoc network make up for the shortcomings of the traditional cellular system and wired network, it plays an irreplaceable role in many special cases, so it is widely used in national defense combat readiness, disaster res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/16H04W72/04H04W84/18
Inventor 张林波刘彤黎芳张川
Owner HARBIN ENG UNIV
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