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A method for preempting speaking right in self-organizing network

A self-organizing network and voice right technology, applied in network topology, electrical components, wireless communication, etc., can solve problems such as low voice preemption probability, large delay of trunking services, and network paralysis.

Inactive Publication Date: 2019-08-23
BEIJING XINWEI TELECOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution has a low probability of preempting the right to speak and the cluster service delay is relatively large, especially in a heavily loaded network, where multiple nodes compete for resources to seize the right to speak, which will paralyze the network

Method used

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  • A method for preempting speaking right in self-organizing network
  • A method for preempting speaking right in self-organizing network
  • A method for preempting speaking right in self-organizing network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063]Example 1: Resource Pool Allocation Scheme

[0064] Such as figure 1 As shown, the speaking right preemption process needs to occupy at least two resource pools, that is, the speaking right preemption resource pool and the speaking right authorization resource pool. Considering the degree of congestion in the control resource pool and the occurrence frequency of preemption services, resource pool allocation schemes can be divided into fixed resource pool allocation schemes and dynamic resource pool allocation schemes.

[0065] Fixed resource pool allocation scheme: The position of the resource pool for speaking right authorization is fixed in the wireless frame, which is suitable for scenarios where the control resource pool is abundant and there are many cluster services.

[0066] Dynamic resource pool allocation scheme: Whether to configure a speaking right authorization resource pool in a wireless frame depends on whether a speaking right preemption message is receiv...

Embodiment 2

[0071] Example 2: Speaking right preemption process 1

[0072] This embodiment requires that the speech right preemption resource pool adopts a random access mode, the speech right authorization resource pool may adopt a random access mode, and may also be a fixed access mode, and the authorization node is statically configured.

[0073] The speech right preemption initiator sends the speech right preemption message to the authorization node through multiple hops. The authorization node selects the node to be authorized according to the authorization criteria, sends an authorization message, and indicates the information of the cluster service resource pool. Process description as figure 2 shown.

[0074] Step 1: The speaking right preemption initiating node queries the routing table, finds the next hop node to the authorized node, randomly selects the speaking right preemption resource pool, and sends Msg1 to the next hop neighbor node: speaking right preemption message;

...

Embodiment 3

[0083] Example 3: Speaking right preemption process 2

[0084] This embodiment requires the fixed access mode of the speaking right preemption resource pool, the speaking right authorization resource pool may be in a random access mode, or in a fixed access mode, and the authorization node is configured statically or dynamically.

[0085] The speech right preemption initiating node sends a speech right preemption message at the designated location, and the speech right preemption message reaches the authorized node through cooperative diversity forwarding, and the authorized node sends an authorization message to indicate authorized nodes and unauthorized nodes. The process is as follows image 3 shown.

[0086] Step 1: The speaking right initiator sends Msg1 at the 1-hop position of the designated speaking right preemption resource pool: speaking right preemption message;

[0087] Step 2: The node that receives the talk right preemption message

[0088] A) Judging whether t...

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Abstract

The invention provides a grabbing method for speaking right in self-organizing network. The method comprises the following steps. The authorization node is used to determine an initiator whose speaking right is about to be authorized according to the authorization criteria and sends a message indicating the authorization of the speaking right. The speaking right initiator obtains the authorization of the authorization node before further initiating a cluster business. According to the invention, an authorization node is chosen to send a message indicating the authorization of speaking right grabbing, which reduces the possibility of collision of cluster businesses that are initiated coincidently from a plurality of speaking right grabbing nodes. Therefore, the success rate of the node to grab speaking right is increased and the access delay for cluster business can be reduced.

Description

technical field [0001] The present invention relates to the field of wireless ad hoc networks, in particular to a method for preempting speaking rights in ad hoc networks Background technique [0002] The current common voice preemption process in self-organizing networks includes: the voice right initiator randomly preempts resources and sends a voice preemption message, and other users receive the voice preemption message and forward it; If the right of speaking preempts the message, the right of speaking is preempted successfully. This solution has a low probability of preempting the speaking right and the cluster service delay is relatively large, especially in a heavily loaded network, where multiple nodes concentrate on competing for resources and preempting the speaking right will paralyze the network. Therefore, in order to improve the preemption probability of speaking rights in the self-organizing network, it is very meaningful to reduce the transmission delay of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/10H04W84/18
CPCH04W4/10H04W84/18
Inventor 李静叶孙鹏
Owner BEIJING XINWEI TELECOM TECH
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