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Method and system for heterogeneous wireless network resource management structure

A heterogeneous wireless network and resource management technology, which is applied in the field of resource management architecture systems integrating LTE and WLAN heterogeneous wireless networks, can solve problems such as inability to complete solutions, achieve an efficient heterogeneous network wireless resource management architecture, optimize resources The effect of managing the process and optimizing the resource management structure

Inactive Publication Date: 2012-07-04
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0007] Since the cellular mobile communication system represented by LTE network and the wireless local area network represented by 802.11 WLAN have completely different characteristics in many aspects such as coverage, data transmission rate and resource management mode, LTE network and WLAN have developed rapidly in recent years. Under the current situation, the traditional radio resource management architecture technology has been unable to completely solve the problems in the heterogeneous wireless network represented by integrated LTE and WLAN, including vertical handover call management and access control, load balancing, hierarchical data flow scheduling, etc. For all radio resource management functions, it is urgent to propose an advanced radio resource management architecture technical solution suitable for heterogeneous wireless networks to completely solve the above technical problems

Method used

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  • Method and system for heterogeneous wireless network resource management structure
  • Method and system for heterogeneous wireless network resource management structure
  • Method and system for heterogeneous wireless network resource management structure

Examples

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no. 1 example

[0056] figure 1 is a schematic structural diagram of a heterogeneous wireless network resource management framework system according to an embodiment of the present invention, combined with figure 1 Describe the composition of each part of this embodiment.

[0057] In the embodiment of the present invention, the heterogeneous wireless network resource management architecture system (also called a heterogeneous wireless network resource management system) includes the following logical functional entities: a load control entity (Load Control Entity, LCE for short), a traffic monitoring entity ( Traffic Monitor Entity (TME for short), Policy Mapping Entity (PME for short), Joint Load Control Server (JLCS for short), and Global Substream Subscription Decision Entity (GSSDE for short) , the functions of each entity are described in detail below.

[0058] figure 1 A radio resource management architecture comprising multiple access networks is shown. In this embodiment, each acc...

no. 2 example

[0079] image 3 It is a schematic flowchart of a heterogeneous wireless network resource management framework method (also called a heterogeneous wireless resource management method) according to an embodiment of the present invention, which is combined below image 3 Each step of this embodiment will be described in detail.

[0080] Step 310, the load control entity LCE in each access network obtains the load status information and user mobility information of each access network in the current period, and the traffic monitoring entity TME in each access network estimates and obtains the user mobility information of each access network based on user mobility information. Handoff call flow strength value for .

[0081] Wherein, the user mobility information includes information about the mobile terminal's moving rate, switching frequency and / or historical load value.

[0082] The traffic monitoring entity in each access network calculates the call flow intensity value based ...

no. 3 example

[0115] Figure 7 is a schematic flowchart of a networking scheme of a heterogeneous wireless network system according to the third embodiment of the present invention, combined below Figure 7 Describe the networking scheme of the radio resource management architecture technology.

[0116] In this embodiment, the heterogeneous wireless network system is an LTE / WLAN heterogeneous wireless network, which uses the heterogeneous wireless network resource management system in the first embodiment to manage wireless network resources.

[0117] According to the standard of the existing Long Term Evolution (LTE for short) system, the LTE cells are interconnected through the X2 interface, and the LTE cells and the LTE core network are interconnected through the S1 interface. As shown in the figure, taking the mutual coupling of two LTE cells and one WLAN as an example, in the integrated LTE / WLAN heterogeneous wireless network using the wireless resource management architecture system ...

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Abstract

The invention discloses a method and a system for a heterogeneous wireless network resource management structure. The system comprises a load control entity (LCE), a traffic monitoring entity (TME), a policy mapping entity (PME), a joint load control server (JLCS) and a global sublayer binding strategy decision-making entity (GSSDE), wherein the LCE, the TME and the PME are located in an access network and the JLCS and the GSSDE are located in a core network. The LCE adopts the level-two resource management function, obtains and carries out the load control policy generated by the PME so as to determine whether each mobile terminal is allowed to be connected or switched to the access network, and obtains and carries out layered data stream sublayer binding strategy generated by the GSSDE so as to determine the number of data sublayers transmitted by the access network. Therefore, while achieving load control, the system achieves scheduling of layered data stream, achieves unified management of mobile users and optimizes resource management structure.

Description

technical field [0001] The present invention relates to the field of wireless communication technology, in particular to the resource management architecture technology under the heterogeneous wireless network, especially to the resource management architecture system and method for integrating LTE and WLAN heterogeneous wireless networks. Background technique [0002] A heterogeneous wireless network refers to a wireless network structure in which access networks of different access technologies cover each other and provide users with multi-mode access services. With the rapid development of wireless access technologies and the large-scale deployment of wireless access networks, heterogeneous wireless network structures have become very common. While setting up large-scale wide-area wireless access networks, telecom operators will vigorously build operator-led wireless local area networks to support heterogeneous wireless network transmission services for mobile users. A t...

Claims

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Application Information

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IPC IPC(8): H04W28/08H04W28/10H04W28/16
Inventor 纪晓东张昕然靳浩李勇彭木根王文博
Owner BEIJING UNIV OF POSTS & TELECOMM
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