CN108134991B - Method and system for reducing D2D equipment switching - Google Patents
Method and system for reducing D2D equipment switching Download PDFInfo
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- CN108134991B CN108134991B CN201711401364.0A CN201711401364A CN108134991B CN 108134991 B CN108134991 B CN 108134991B CN 201711401364 A CN201711401364 A CN 201711401364A CN 108134991 B CN108134991 B CN 108134991B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a method and a system for reducing D2D equipment switching, wherein the method comprises the following steps: s1, storing a local public land mobile network list in a preset range on the user equipment; s2, determining whether the ue has performed ProSe configuration in the local plmn list, and if so, not needing to perform re-configuration. The invention solves the problem of frequent handover of the UE device of D2D by reducing the ProSe configuration of the UE device.
Description
Technical Field
The invention relates to the field of mobile communication, in particular to a method and a system for reducing D2D equipment switching
Background
With the continuous development of scientific technology, more and more intelligent terminals appear in our lives, and the growing mobile users and multimedia services cause the problems of overload of services, endangered shortage of spectrum resources and the like. Therefore, how to effectively improve the efficiency of spectrum resources becomes one of the key issues in 5G communication research, and the ProSe proximity service-based D2D capable of greatly improving the spectrum efficiency has attracted attention of many scholars at home and abroad.
Device-to-Device, abbreviated as D2D, refers to a communication method for data interaction between devices without a network. The D2D communication is a novel technology which allows terminals to directly communicate by multiplexing cell resources under the control of a system, and solves the problem of the lack of frequency spectrum resources of a wireless communication system to a certain extent; the D2D technique may be applied to mobile cellular networks to increase resource utilization and network capacity, with each D2D communication link occupying the same resources as one cellular communication link.
When configuring UE (user experience) of D2D, ProSe configuration is usually performed by HPLMN, Home Public Land Mobile Network, but generally, UE stays in a small area for a relatively long time, and frequent ProSe configuration for UE of D2D easily causes waste of communication resources and unstable communication.
Disclosure of Invention
The invention aims to provide a method and a system for reducing switching of D2D equipment, aiming at the defects of the prior art, so that frequent switching of D2D equipment can be reduced, the communication quality of D2D is improved, and communication resources are saved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of reducing D2D device handover, comprising the steps of:
s1, storing a local public land mobile network list in a preset range on the user equipment;
s2, judging whether the user equipment has performed ProSe configuration in the local public land mobile network list, if yes, then not needing to configure again.
Further, the step S2 specifically includes:
determining whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
if yes, judging whether the user equipment carries out ProSe configuration in the local public land mobile network list or not;
and if so, stopping performing the ProSe configuration again when switching to the second local public mobile network.
Further, the method also comprises the following steps:
storing a record of ProSe configuration of the user equipment in the local public land mobile network list.
Further, the method also comprises the following steps:
and judging whether the user equipment is disconnected with the mobile network in the local public land mobile network list or not after the preset time, if so, carrying out ProSe configuration again when the user equipment enters the range of the local public land mobile network list again.
Correspondingly, a system for reducing switching of D2D devices is also provided, including:
the storage module is used for storing a local public land mobile network list in a preset range on the user equipment;
a first determining module, configured to determine whether the ue has performed ProSe configuration in the local public land mobile network list, and if so, do not need to perform the configuration again.
Further, the first determining module includes:
a first determining unit, configured to determine whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
a second determining unit, configured to determine whether the ue has performed ProSe configuration in the local public land mobile network list;
and the configuration stopping unit is used for stopping the ProSe configuration again when the network is switched to the second local public mobile network.
Further, the method also comprises the following steps:
storing a record of ProSe configuration of the user equipment in the local public land mobile network list.
Further, the method also comprises the following steps:
a second judging module, configured to judge whether the ue is disconnected from the mobile networks in the local public land mobile network list after a preset time is exceeded;
a reconfiguration module, configured to reconfigure the ProSe when the ue enters the local public land mobile network list again.
Compared with the prior art, the method and the device avoid frequent switching of the D2D equipment by reducing the configuration times of the ProSe of the UE, improve the communication quality of the D2D and save communication resources.
Drawings
Fig. 1 is a flowchart of a method for reducing handover of a D2D device according to an embodiment;
fig. 2 is a system diagram for reducing switching of a D2D device according to an embodiment;
fig. 3 is a flowchart of a method for reducing handover of a D2D device according to the second embodiment;
fig. 4 is a system configuration diagram for reducing switching of the D2D device according to the second embodiment.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example one
The embodiment provides a method for reducing switching of D2D devices, as shown in fig. 1, including the steps of:
s11, storing a local public land mobile network list in a preset range on the user equipment;
s12, determining whether the ue has performed ProSe configuration in the local plmn list, and if so, not needing to perform re-configuration.
With the continuous development of mobile communication technology, the proximity service ProSe-based D2D gets more and more attention from the industry. However, when configuring UE user equipment of D2D with ProSe, ProSe configuration usually results in switching D2D equipment through ProSe configuration of HPLMN, and generally, UE stays in a small area for a relatively long time, so that ProSe configuration is not required frequently.
The embodiment stores the local public land mobile network list, configuration and mapping relation of the nearby HPLMN on the UE user equipment, configures once when entering for the first time, and then does not need to reconfigure again to reduce ProSe configuration to achieve the purpose of avoiding frequent switching of D2D devices, thereby improving the communication quality of D2D devices.
Step S11 stores the local plmn list in a preset range on the ue, where the preset range may be determined according to the actual situation of the moving range of the ue.
Step S12 determines whether the ue has performed ProSe configuration in the local plmn list, and if so, does not need to perform the configuration again. The UE often stays in a small area for a relatively long time, so that the ProSe configuration does not need to be performed frequently, and when the UE is detected to have performed the ProSe configuration, the UE does not need to be configured again.
Specifically, the step S12 specifically includes:
determining whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
if yes, judging whether the user equipment carries out ProSe configuration in the local public land mobile network list or not;
and if so, stopping performing the ProSe configuration again when switching to the second local public mobile network.
Specifically, the method further comprises the following steps:
storing a record of ProSe configuration of the user equipment in the local public land mobile network list.
Correspondingly, the present embodiment further provides a system for reducing D2D device switching, as shown in fig. 2, including:
a storage module 11, configured to store, on a user equipment, a local public land mobile network list within a preset range;
a first determining module 12, configured to determine whether the ue has performed ProSe configuration in the local plmn list, and if so, do not need to perform the ProSe configuration again.
Specifically, the first determining module 12 includes:
a first determining unit, configured to determine whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
a second determining unit, configured to determine whether the ue has performed ProSe configuration in the local public land mobile network list;
and the configuration stopping unit is used for stopping the ProSe configuration again when the network is switched to the second local public mobile network.
Specifically, still include:
storing a record of ProSe configuration of the user equipment in the local public land mobile network list.
The present embodiment improves the communication quality of D2D devices by reducing the ProSe configuration for the purpose of avoiding frequent handovers of D2D devices.
Example two
The embodiment provides a method for reducing switching of D2D devices, as shown in fig. 3, including the steps of:
s21, storing a local public land mobile network list in a preset range on the user equipment;
s22, judging whether the user equipment carries out ProSe configuration in the local public land mobile network list or not, if so, not needing to carry out the configuration again;
s23, judging whether the user equipment is disconnected with the mobile network in the local public land mobile network list or not;
and S24, if yes, the user equipment needs to perform ProSe configuration again when entering the range of the local public land mobile network list again.
Unlike the first embodiment, the method further includes step S23 and step S24.
In order to solve the D2D communication interruption caused by the disconnection of the D2D ue from the local networks in the local public land mobile network list, the embodiment determines whether the ue is disconnected from the local networks in the list within a preset time, and if so, needs to perform ProSe configuration again.
Specifically, the step S22 specifically includes:
determining whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
if yes, judging whether the user equipment carries out ProSe configuration in the local public land mobile network list or not;
and if so, stopping performing the ProSe configuration again when switching to the second local public mobile network.
Specifically, the method further comprises the following steps:
storing a record of ProSe configuration of the user equipment in the local public land mobile network list.
Correspondingly, the present embodiment further provides a system for reducing D2D device switching, as shown in fig. 4, including:
a storage module 21, configured to store, on the user equipment, a local public land mobile network list within a preset range;
a first determining module 22, configured to determine whether the ue has performed ProSe configuration in the local public land mobile network list, and if so, do not need to perform the ProSe configuration again;
a second determining module 23, configured to determine whether the ue is disconnected from the mobile networks in the local public land mobile network list over a preset time;
a reconfiguration module 24, configured to reconfigure the ProSe when the ue enters the local public land mobile network list again.
Different from the first embodiment, a second judging module 23 and a reconfiguration module 24 are further included.
Further, the first determining module includes:
a first determining unit, configured to determine whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
a second determining unit, configured to determine whether the ue has performed ProSe configuration in the local public land mobile network list;
and the configuration stopping unit is used for stopping the ProSe configuration again when the network is switched to the second local public mobile network.
Further, the method also comprises the following steps:
storing a record of ProSe configuration of the user equipment in the local public land mobile network list.
The embodiment prevents the D2D communication interruption by monitoring whether the ue is disconnected from the local network list within a preset time and re-configuring the ue in time.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (6)
1. A method for reducing D2D device handover, comprising the steps of:
s1, storing a local public land mobile network list in a preset range on the user equipment;
s2, judging whether the user equipment carries out ProSe configuration in the local public land mobile network list or not, if so, not needing to carry out the configuration again;
the step S2 specifically includes:
determining whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
if yes, judging whether the user equipment carries out ProSe configuration in the local public land mobile network list or not;
and if so, stopping performing the ProSe configuration again when switching to the second local public mobile network.
2. The method for reducing D2D device handovers according to claim 1, further comprising the steps of:
storing a record of ProSe configuration of the user equipment in the local public land mobile network list.
3. The method for reducing D2D device handovers according to claim 1, further comprising the steps of:
and judging whether the user equipment is disconnected with the mobile network in the local public land mobile network list or not after the preset time, if so, carrying out ProSe configuration again when the user equipment enters the range of the local public land mobile network list again.
4. A system for reducing D2D device switching, comprising:
the storage module is used for storing a local public land mobile network list in a preset range on the user equipment;
a first determining module, configured to determine whether the ue has performed ProSe configuration in the local public land mobile network list, and if so, do not need to perform the configuration again;
the first judging module comprises:
a first determining unit, configured to determine whether the user equipment moves from a first local public mobile network to a second local public mobile network in the local public land mobile network list;
a second determining unit, configured to determine whether the ue has performed ProSe configuration in the local public land mobile network list;
and the configuration stopping unit is used for stopping the ProSe configuration again when the network is switched to the second local public mobile network.
5. The system for reducing D2D device handoffs of claim 4, further comprising:
a storage module, configured to store a record of ProSe configuration performed by the ue in the local public land mobile network list.
6. The system for reducing D2D device handoffs of claim 4, further comprising:
a second judging module, configured to judge whether the ue is disconnected from the mobile networks in the local public land mobile network list over a preset time;
a reconfiguration module, configured to reconfigure the ProSe when the ue enters the local public land mobile network list again.
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| CN201711401364.0A CN108134991B (en) | 2017-12-22 | 2017-12-22 | Method and system for reducing D2D equipment switching |
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| CN201711401364.0A CN108134991B (en) | 2017-12-22 | 2017-12-22 | Method and system for reducing D2D equipment switching |
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| CN108134991B true CN108134991B (en) | 2020-10-16 |
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| CN104918247A (en) * | 2014-03-13 | 2015-09-16 | 中兴通讯股份有限公司 | Service discovery and authentication method, equipment, terminal and system |
| CN105025478A (en) * | 2014-04-30 | 2015-11-04 | 中兴通讯股份有限公司 | D2D communication safe configuration method, and ProSe key management function entity, terminal and system |
| CN105407519A (en) * | 2014-09-04 | 2016-03-16 | 宏达国际电子股份有限公司 | Device of handling selection of public land mobile network for device-to-device communication |
| CN106233785A (en) * | 2014-05-01 | 2016-12-14 | Lg电子株式会社 | The device performed by terminal in a wireless communication system is to device (D2D) operational approach and the terminal of use the method |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104918246A (en) * | 2014-03-12 | 2015-09-16 | 中兴通讯股份有限公司 | Authentication method and system, ProSe (Proximity-based Service) functional entities and UE (User Equipment) |
| CN104918247A (en) * | 2014-03-13 | 2015-09-16 | 中兴通讯股份有限公司 | Service discovery and authentication method, equipment, terminal and system |
| CN105025478A (en) * | 2014-04-30 | 2015-11-04 | 中兴通讯股份有限公司 | D2D communication safe configuration method, and ProSe key management function entity, terminal and system |
| CN106233785A (en) * | 2014-05-01 | 2016-12-14 | Lg电子株式会社 | The device performed by terminal in a wireless communication system is to device (D2D) operational approach and the terminal of use the method |
| CN105407519A (en) * | 2014-09-04 | 2016-03-16 | 宏达国际电子股份有限公司 | Device of handling selection of public land mobile network for device-to-device communication |
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| CN108134991A (en) | 2018-06-08 |
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Effective date of registration: 20221010 Address after: 518000 Room 303, building A1A2, Guangming Science Park, China Merchants Group, sightseeing Road, Fenghuang community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN VPHONOR INFORMATION TECHNOLOGY CO.,LTD. Address before: 311100 Room 101-19, Building 19, No. 1399, Liangmu Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou QingChuang weipin Intelligent Technology Co.,Ltd. |