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Wireless scene inter-system interoperation method and device

A technology for different system interoperability and wireless scenarios, which is applied in the wireless field of the communication industry, and can solve problems such as too general scenario division and affecting mobile operators' network service quality and mobile user perception

Active Publication Date: 2015-03-11
XIANGYANG BRANCH CHINA MOBILE GRP HUBEI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The purpose of the present invention is to solve the problem that in the reselection and handover of different systems in wireless scenarios, the scene division is too general, which affects the overall network service quality of mobile operators and the perception of mobile users, and proposes a method and method for reselection and handover of different systems in wireless scenarios. device

Method used

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  • Wireless scene inter-system interoperation method and device
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  • Wireless scene inter-system interoperation method and device

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0053] figure 1 It is a flowchart of a method for interoperability between different systems in a wireless scenario according to an embodiment of the present invention. Such as figure 1 As shown, this embodiment includes:

[0054] Step S102: Obtain the drive test signal of the road section to be optimized;

[0055] Step S104: When the drive test signal decays from the starting point to the critical call drop point within the preset time period, or when the field strength of the drive test signal is lower than the preset field strength value or the coverage exceeds the coverage of automatic adaptation , or when the degree of interference in the drive test signal exceeds the preset interference value, set the interoperability parameters.

[0056] In this embodiment, aiming at the defect that the scene corresponding to the reselection parameter is too rough in the prior art, and the selection of the reselection parameter does not correspond to the specific scene, the scene of ...

Embodiment 2

[0076] In this embodiment, on the basis of the first embodiment, the setting of reselection parameters from 3G to 2G in different scenarios will be focused on. Table 1 is a mapping table of 3G to 2G reselection parameters and scenarios in the present invention. As shown in Table 1:

[0077] Table 1: Mapping table of 3G to 2G reselection parameters and scenarios

[0078]

[0079]

[0080] In Table 1, X is the fading time, Fast_fading is the fast fading time threshold, and Slow_fading is the slow fading time threshold. In the TD-SCDMA extremely fast fading sub-scenario, the TD-SCDMA signal rapidly fades with space, such as highways and railway sites with severe fading. Because the TD signal will fade to the critical drop point in a very short period of time, which may be less than 3S, it is necessary to allow the terminal to occupy the G network more quickly, so as to avoid unconnected and call dropped events, which will affect user perception.

[0081] In...

Embodiment 3

[0104] The values ​​of the reselection parameters from 2G to 3G are different in different scenarios. In each scenario, a large-scale test needs to be organized, and the test results are finally mapped to the scenario.

[0105] When the 3G signal is good, the terminal should try to stay on the 3G network. To understand this concept in reverse, that is, when the 3G network is not good, the terminal should stay on the 3G network as little as possible. According to the scene identification method, in fact, the existence of a scene in a cell can represent the 3G network coverage of this cell, which is problematic. For these scenarios, the reselection parameters can be used on the 2G side to make it difficult for the terminal to select these 3G cells with scenarios. Then, considering the fluctuation of field strength GAP and the probability of ping-pong handover, the reselection parameters from 2G to 3G are automatically Matching is done.

[0106] In this implementation, the key ...

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Abstract

The invention discloses a wireless scene inter-system interoperation method and a wireless scene inter-system interoperation device. The method comprises the following steps of: acquiring a drive test signal of a road section to be optimized; and when the drive test signal is attenuated to a critical call drop point from a test starting point in a preset time period, or the field intensity of the drive test signal is lower than a preset field intensity value, or the coverage of the drive test signal exceeds adaptively adapted coverage or the degree of interference in the drive test signal exceeds a preset interference value, setting an interoperation parameter. By the wireless scene inter-system interoperation method and the wireless scene inter-system interoperation device provided by the embodiment of the invention, automatic scene analysis can be performed on a drive test (DT) result, and a specific-scene-based reselection and handover parameter mapping method is provided so as to achieve favorability for improving the overall network quality of a mobile operator and user perception.

Description

technical field [0001] The present invention relates to the field of wireless technologies in the communication industry, and in particular to a method and device for interoperating different systems in wireless scenarios. Background technique [0002] With the rapid development of mobile communication and the continuous improvement of users' demand for services, the existing second-generation digital mobile communication system (2G) is difficult to meet the needs of high-speed data services, such as the existing Global System for Mobile Communications (GSM) or The narrowband code division multiple access (CDMA) communication system can only provide basic voice services and some simple message services; for dynamic real-time data services, its data bandwidth cannot meet the requirements of service quality. Although the 2.5th generation mobile communication system such as General Packet Radio Service (GPRS) has appeared, its data broadband capability has not been substantiall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/14H04W36/30
Inventor 陈男健张巧琳朱凌吴勤华周巍湛颖姚执光徐桦张烁郑迪
Owner XIANGYANG BRANCH CHINA MOBILE GRP HUBEI CO LTD
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