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Switch method, device and system in communication network

A communication network and network technology, applied in the field of network communication, can solve the problems of obtaining balance, decreasing user satisfaction, affecting normal communication of users, etc., achieving the effect of balancing network efficiency, improving effectiveness, and ensuring rationality

Active Publication Date: 2010-09-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For the increasingly complex network handover process in the future, the above simple handover scheme cannot achieve a balance between meeting user needs and network efficiency
Especially for heterogeneous networks that will be ubiquitous in the future, a simple handover solution cannot adapt to the complex needs of networks with different structures, which will cause the corresponding handover process to affect the process of users' business development, resulting in failure to obtain optimal handover performance; for example, when a user switches to a target network whose performance cannot meet the requirements, a new handover process will be triggered, which will affect the normal communication of the user and lead to a decline in user satisfaction

Method used

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  • Switch method, device and system in communication network
  • Switch method, device and system in communication network
  • Switch method, device and system in communication network

Examples

Experimental program
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Effect test

Embodiment 1

[0088] The embodiments of the present invention may be specifically applied to, but not limited to, a handover process of a heterogeneous network, so as to implement fuzzy decision processing in the corresponding handover process.

[0089] Such as Image 6 As shown, based on the division results of the handover levels in the source network and the target network, and the division results of the variable types, the handover processing process including fuzzy decision processing provided by the first embodiment may specifically include the following steps:

[0090] In step 1, the user terminal and the source network measure various measurement values ​​to obtain corresponding handover condition variables.

[0091] Step 2, when the handover condition variable obtained in step 1 satisfies the condition of handover decision triggering, a handover decision triggering will be initiated.

[0092] Step 3: Query and judge whether the target network conforms to the MUST NOT handover sta...

Embodiment 2

[0105] In the second embodiment, specifically, a centralized decision table may be established in the comprehensive fuzzy decision maker, and handover decision processing is performed according to the centralized decision table.

[0106] Specifically, the centralized decision table (or fuzzy rule table) is centrally set in the source network as a large database. Assuming that in a heterogeneous network with overlapping coverage, the source network only considers the traffic volume, battery power and mobile speed, while the target network does not consider the information of the user terminal, but only considers the traffic volume as an example, then the corresponding centralized decision-making The table is shown in Table 3:

[0107] table 3

[0108]

[0109] In Table 3, the abscissa represents the traffic volume of the target network, which are normal, generally high, very high, and very high, respectively; the ordinate represents the traffic volume of the source network,...

Embodiment 3

[0121] In the third embodiment, specifically, the decision table of the source network can be established in the source fuzzy decision maker, and the decision table of the target network can be established in the target fuzzy decision maker, and according to the decision table of the source network and the decision table of the target network Interact between the source fuzzy decision maker and the target fuzzy decision maker for corresponding switching decision processing.

[0122] That is to say, the corresponding decision table (or fuzzy rule table) can also exist in the source network and the target network in a distributed manner, which are respectively called the decision table of the source network (or the fuzzy rule table of the source network) and The decision table of the target network (or the fuzzy rule table of the target network). Assuming that in a heterogeneous network with overlapping coverage, the source network only considers traffic, battery power and movin...

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Abstract

The invention relates to a switch method, a switch device and a switch system in a communication network. The method comprises the following steps: defining the switch grade of a source network and the switch grade of an object network; deciding whether to conduct switch operation based on the switch grade of the source network and the switch grade of the object network; and when switch operationis determined to conduct based on switch decision result, sending a notice to conduct the switch operation. The embodiment of the invention takes the switch grade of the source network and the switchgrade of the object network into consideration respectively, including switch urgency degree of the source network, or whether the object network is allowed to switch, and the like, so as to ensure reasonability of switch process and balance different network applications, thereby improving effectiveness of switch algorithm and keeping balance between user satisfaction and network efficiency.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a switching technology in a communication network. Background technique [0002] Due to various reasons, such as signal strength, requirements for conducting services, etc., users may need to switch from one network (source network) to another network (target network) to continue conducting services. Therefore, in the communication network, it is necessary to provide a corresponding switching mechanism to complete the corresponding switching operation. [0003] At present, the handover decision adopted in the communication network is mainly based on the simple measurement results to realize the corresponding handover control, for example, determine whether to perform handover according to the signal quality, signal strength, etc.; or, in the communication network, it can also determine the Whether to switch. When it is determined that handover is required, a corre...

Claims

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Application Information

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IPC IPC(8): H04W36/14H04W36/24
Inventor 解应春
Owner HUAWEI TECH CO LTD
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