WO2009076837A1

WO2009076837A1 - User access method and gateway equipment in wimax system

Info

Publication number: WO2009076837A1
Application number: PCT/CN2008/073233
Authority: WO
Inventors: Zhaoming Wang; Chuan Li
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2007-12-17
Filing date: 2008-11-28
Publication date: 2009-06-25
Also published as: CN101184338A

Abstract

A user access method and gateway equipment in WIMAX system, which apply in worldwide interoperability for microwave access WIMAX system comprising an access service network ASN and a connecting service network CSN. The ASN connects with at least one CSN. The method comprises that ASN receives access request of the terminal and obtains domain information; ASN determines the CSN which the terminal accesses according to the domain information of the terminal. There is also a gateway equipment which uses the method. By using the method, the user access can be selectively or strategically controlled and the network resource requirements of the users which have already accessed the network can be satisfied and higher Quality of Service is provided.

Description

User access method and gateway device in WIMAX system

This application claims priority to Chinese Patent Application No. 200710195800.3, entitled "Methods for User Access in WiMAX Systems and Gateway Devices", filed on December 17, 2007, the entire contents of which are incorporated by reference. In this application.

Technical field

The invention relates to the field of microwave access global interoperability WIMAX, in particular to a method and a gateway device for user access in a WIMAX system.

Background technique

With the development of communication technology, the requirements for network access technology have also increased accordingly. Microwave Access Global Interoperability (WiMAX) is a wireless metropolitan area network access technology with a maximum transmission speed of 75 Mbit/s and a signal transmission radius of 50 km, which can basically cover the suburbs. Due to this long-distance transmission feature, WiMAX will not only solve the wireless access technology, but also wirelessly expand as a wired network access technology (eg cable TV cable, digital subscriber loop DSL) to easily implement remote areas. Network connection.

In an actual WiMAX network architecture, multiple connection service networks (CSNs) may share the same access service network (ASN), ASN and mobile station (MS) / fixed station (SS) interaction information, so that ASN determines MS/SS Which CSN should be accessed. When the MS/SS accesses the CSN through the ASN, the ASN gateway (ASN-GW) determines whether the MS/SS can be accessed according to the usage of its own resources.

In the process of implementing the present invention, the inventors have found that at least the following problems exist in the prior art: With the above access scheme, access control based on MS/SS can only be performed, and the connection service network CSN cannot access the access network. The use of network resources, for example, in the scenario of a shared access service network, cannot control the use of access network resources by the connection service network CSN.

Summary of the invention

The purpose of the embodiments of the present invention is to provide a method for accessing a user in a WIMAX system and a gateway device for controlling the use of the network resources of the access network by the service provider in the connection service network CSN.

An embodiment of the present invention provides a method for user access control, which is applied to a global access WIMAX system including a access service network ASN and a connection service network CSN, where the ASN is connected to at least one CSN. The methods include: Receiving, by the ASN, an access request of the terminal, acquiring domain information of the terminal;

The ASN determines the CSN accessed by the terminal according to the domain information of the terminal.

The embodiment of the present invention further provides a gateway device, where the gateway device is connected to the at least one connection service network CSN, and is used for controlling the access of the terminal in the WIMAX system.

a receiving unit, configured to receive an access request initiated by the terminal by using a base station;

An obtaining unit, configured to acquire domain information related to the terminal;

And a determining unit, configured to determine, according to the domain information acquired by the acquiring unit, a CSN accessed by the terminal.

The user access method and the gateway device in the WIMAX system provided by the embodiment of the present invention determine the connection service gateway accessed by the terminal through the domain information of the terminal, thereby controlling the use of the access service network CSN to access the network resources of the access network. The user access can be selectively or strategically controlled to meet the network resource requirements of users who have access to the network, and provide better quality of service for users who have already accessed the network, thereby improving user satisfaction.

DRAWINGS

1 is a flowchart of a method for user access control in Embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of a gateway device according to Embodiment 4 of the present invention.

detailed description

The user access control method and the gateway device in the following embodiments of the present invention are applied to a microwave access global interworking WIMAX system including an access service network ASN and a connection service network CSN, wherein the access service network ASN is connected to at least one The service network CSN is connected.

FIG. 1 is a flowchart of a method for user access control according to Embodiment 1 of the present invention.

101. Access service network The ASN receives the access request of the terminal, and acquires the domain information of the terminal.

In the process of receiving the access request of the terminal, the ASN may pre-configure the terminal information on the ASN, and the ASN may also negotiate some air interface parameters with the terminal.

After receiving the access request of the terminal, the ASN can obtain the domain information of the terminal in the following two ways: The ASN negotiates with the terminal whether authentication is required.

If the authentication is not performed, the ASN obtains the domain information of the terminal from the pre-configured terminal information. If the authentication, the ASN obtains the domain information of the terminal in the authentication process. 102. The ASN determines, according to the domain information of the terminal, the connection service network CSN accessed by the terminal. The domain information of the terminal is the domain name carried by the terminal. The domain name is the domain name of the CSN accessed by the terminal. For example, the domain name of CSN-1 is aaa.com, and the domain name of CSN-2 is bbb.com. When aaa.com, the ASN knows that the terminal belongs to CSN-1.

Further, in an actual network, there may be multiple network service operators in one CSN.

(Network Service Provider, NSP), each NSP is assigned a different domain name, and the terminal can also select the NSP to access in the domain information. For example, CSN-1 has three network service operators: NSP-1, NSP-2, and NSP-3. The domain name of NSP-1 is the carrier 1. aaa.com, and the domain name of NSP-2 is the operator 2. aaa The domain name of the .com, NSP-3 is the operator 3. aaa.com. When the ASN obtains the domain name carried by the terminal as the operator 2. aaa.com, the ASN knows that the terminal belongs to the NSP-2.

After the ASN obtains the domain information of the terminal, the ASN may also negotiate the network access parameter with the terminal. The network access parameter includes at least one of a maximum uplink and downlink connection identifier CID number and an uplink maximum classifier number.

If the authentication, the ASN can obtain the QoS parameters of the terminal in addition to the domain information of the terminal in the authentication process, and the QoS parameter includes at least one of the number of service flows to be created by the terminal and the guaranteed bandwidth to be applied. The ASN determines whether to access the terminal according to the QoS parameters.

The manner in which the ASN determines whether to access the terminal according to the QoS parameter is specifically: determining whether the CSN accessed by the terminal meets the following conditions:

Condition 1. The number of re-accessible users of CSN is greater than 0;

Condition 2: The number of idle traffic of the CSN is not less than the number of service flows of the MS/SS access request; Condition 3. The idle bandwidth of the CSN is not less than the guaranteed bandwidth of the MS/SS access request.

The condition 1 and the condition 2 are at least the conditions to be met. When the number of access terminals is less than the number of re-accessible users of the CSN, for example, the number of terminals requesting access is 2, and the number of re-accessible users of the CSN is 3. If the performance of the access network is not limited to the number of service flows and the bandwidth, only the condition 1 is satisfied; when only one terminal accesses, the number of CSN idle traffic flows is not less than the number of service flows of the current MS/SS access request. , that is to say, the number of re-accessible users of the CSN is greater than 0, and when the performance of the access network has no limitation on the bandwidth, only the condition 2 can be satisfied.

Condition 3 is an optional condition that can be met according to the performance requirements of the access network. When the access network requires bandwidth limitation, condition 3 is a condition that needs to be met; when the access network does not limit the bandwidth When it is processed, it may not be necessary to satisfy Condition 3.

After determining the access terminal, the ASN QoS parameter can also apply for an IP address for the terminal through a Dynamic Host Configuration Protocol (DHCP) process.

Further, after determining the access terminal according to the QoS parameter, the ASN may also create a preset service flow for the terminal.

In the second embodiment, the user access control method in the first embodiment is applied to a network scenario in which two or more CSNs access an ASN, and the CSN user access process is controlled to control different CSNs to the ASN network resources. use.

MS-1, MS-2 are users under CSN-1, and MS-3 is a user under CSN-4. CSN-1, CSN-2, CSN-3, and CSN-4 all use ASN-1 as their own access network.

The CSN-1 domain name is aaa.com, and the CSN-4 domain name is bbb.com.

The network resources of CSN under ASN are as follows:

CSN-1: bandwidth 10Mbps; traffic flow 10; MS/SS number 1;

CSN-4: Bandwidth 20Mbps; 20 service streams; 5 MS/SS numbers;

The MS-1 accesses the network and applies for 5 Mbps; the service flow is 6; the MS/SS number is 1. ASN-1 knows that MS-1 belongs to CSN-1 according to the domain name aaa.com carried by MS-1. At this time, the CSN-1 resource idle bandwidth is 10 Mbps>5 Mbps; the idle traffic flow is 10>6; the idle MS/SS number is 1>=1, so MS-1 can access CSN-1 through ASN-1.

MS-2 access network, apply for 3Mbps; business flow 2; MS/SS number 1. ASN-1 knows that MS-2 belongs to CSN-1 according to the domain name aaa.com carried by MS-2. At this time, the CSN-1 resource idle bandwidth is 5 Mbps; the idle traffic flow is 4; the idle MS/SS number is 0, so MS-2 cannot access CSN-1 through ASN-1.

MS-3 access network, apply for 10Mbps; business flow 2; MS/SS number 1. ASN-1 knows that MS-3 belongs to CSN-4 according to the domain name bbb.com carried by MS-3. At this time, the CSN-4 resource idle bandwidth is 20Mbps>10Mbps; the idle traffic flow is 20>2; the idle MS/SS number is 5>=1, so MS-3 can access CSN-4 through ASN-1.

In the third embodiment, the method for the user access control in the first embodiment is applied to the network scenario in which multiple CSNs are connected to one ASN, which is different from the second embodiment in that, in this embodiment, how many CSNs are present in this embodiment. NSP, in the process of user access to implement CSN, control different NSPs to ASN under CSN Use of network resources.

CSN-1 and CSN-2 use ASN-1 as their own access network.

The CSN-1 domain name is aaa.com, and the CSN-2 domain name is bbb.com.

There are three network service operators in CSN-1: NSP-1, NSP-2 and NSP-3. The domain name of NSP-1 is the operator 1. aaa.com, the domain name of NSP-2 is the operator 2. The domain name of aaa.com, NSP-3 is the operator 3. aaa.com,

MS-1 is the user of NSP-1 under sub-CSN-1, MS-2 is the user of NSP-2 under sub-CSN-2, and MS-3 is the user of NSP-3 under sub-CSN-3.

The network resources of the CSN under the ASN are as follows:

NSP-1: bandwidth 10Mbps; service flow 10; MS/SS number 1;

NSP— 2: bandwidth 5Mbps; traffic flow 6; MS/SS number 0;

NSP-3: Bandwidth 20Mbps; Service flow 20; MS/SS number 5.

The MS-1 accesses the network and applies for 5 Mbps; the service flow is 6; the MS/SS number is 1. The ASN knows that MS-1 belongs to NSP-1 according to the domain name carried by MS-1: operator l.aaa.com. At this time, the idle bandwidth of the NSP-1 resource is 10 Mbps>5 Mbps; the idle traffic flow is 10>6; the idle MS/SS number is 1>=1, so the MS-1 can access the NSP-1 through the ASN.

MS-2 access network, apply for 3Mbps; business flow 2; MS/SS number 1. The ASN is based on the domain name carried by the MS-2: the operator 2.aaa.com, knowing that the MS-2 belongs to the NSP-2. At this time, the NSP-2 resource idle bandwidth is 5 Mbps; the idle traffic flow is 6; the idle MS/SS number is 0, so the MS-2 cannot access the NSP-2 through the ASN.

MS-3 access network, apply for 10Mbps; business flow 2; MS/SS number 1. ASN-1 According to the domain name carried by MS-3: Operator 3.aaa.com, know that MS-3 belongs to NSP-3. At this time, the NSP-3 resource idle bandwidth is 20Mbps>10Mbps; the idle traffic flow is 20>2; the idle MS/SS number is 5>=1, so MS-3 can access NSP-3 through ASN-1.

The gateway device is connected to at least one connection service network CSN for controlling access of the terminal device in the WIMAX system, and the device includes:

The receiving unit 201 is configured to receive an access request initiated by the terminal by using the base station;

The obtaining unit 202 is configured to acquire domain information related to the terminal device. The determining unit 203 is configured to determine, according to the domain information acquired by the acquiring unit, the connection service network corresponding to the access request received by the receiving unit, that is, used to determine the CSN accessed by the terminal according to the domain information acquired by the acquiring unit.

The gateway device can be set independently, or integrated in the network control device, or integrated in the network switching device. A preferred solution is that the gateway device is integrated in the gateway of the access service network.

Further, the device further includes:

a first configuration unit, configured to save domain information related to the terminal device during the configuration process, and the acquiring unit, configured to obtain domain information related to the terminal device from the first configuration unit when the terminal is not authenticated.

Further, the device further includes:

The second configuration unit is configured to save the quality of service QoS parameter of the terminal in the authentication process, and the determining unit is further configured to determine whether to access the terminal according to the QoS parameter.

The determining unit may include:

The first determining sub-unit is configured to: when the number of re-accessible users of the CSN is greater than 0, or when the number of re-accessible users of the CSN is greater than 0, and the idle bandwidth of the CSN is not less than the guaranteed bandwidth of the corresponding terminal access request, Determine the access terminal.

Alternatively, the determining unit may include:

a second determining sub-unit, configured to: when the number of idle traffic flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, or when the number of idle traffic flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, and the CSN is idle The bandwidth is not less than the guaranteed bandwidth of the corresponding terminal access request, and the access terminal is judged.

Alternatively, the determining unit may include:

a third determining sub-unit, configured to: when the number of re-accessible users of the CSN is greater than 0, and when the number of idle service flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, or when the number of re-accessible users of the CSN is The access terminal is determined to be greater than 0, and the number of idle traffic flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, and the idle bandwidth of the CSN is not less than the guaranteed bandwidth of the corresponding terminal access request.

Further, the device further includes:

The negotiating unit is configured to negotiate with the terminal the access parameters of the terminal.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented by means of software plus a necessary hardware platform, and of course, all can be implemented by hardware. Shi, but in many cases the former is a better implementation. Based on such understanding, all or part of the technical solution of the present invention contributing to the background art may be embodied in the form of a software product, which may be stored in a storage medium such as a ROM/RAM, a magnetic disk, an optical disk, or the like. , including a number of instructions for causing a computer device (which may be a personal computer, server, or network device) as described above as a preferred embodiment of the present invention, it should be noted that one of ordinary skill in the art will not A number of modifications and refinements can be made without departing from the principles of the invention, and such modifications and refinements are also considered to be within the scope of the invention.

Claims

Rights request

A method for user access control, characterized in that it is applied to a microwave access global interworking WIMAX system including an access service network ASN and a connection service network CSN, wherein the ASN is connected to at least one of the CSNs. The methods include:

Receiving, by the ASN, an access request of the terminal, acquiring domain information of the terminal;

2. The method according to claim 1, wherein the acquiring the domain information of the terminal comprises:

When the terminal is not authenticated, the ASN obtains the domain information of the terminal from the pre-configured terminal information.

The method according to claim 1, wherein the acquiring the domain information of the terminal comprises:

When the terminal is authenticated, the ASN obtains the domain information of the terminal in the authentication process.

The method according to claim 3, wherein the method further comprises: obtaining, by the ASN, a quality of service QoS parameter of the terminal in an authentication process;

The ASN determines whether to access the terminal according to the QoS parameter.

The method according to claim 4, wherein the QoS parameter comprises at least one of a number of service flows to be created by the terminal and a guaranteed bandwidth to be applied.

The method according to claim 5, wherein the determining whether to access the terminal comprises:

When the number of re-accessible users of the CSN is greater than 0, it is determined to access the terminal.

When the number of re-accessible users of the CSN is greater than 0, and the idle bandwidth of the CSN is not less than the guaranteed bandwidth of the corresponding terminal access request, it is determined to access the terminal.

When the number of idle service flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, it is determined to access the terminal.

When the number of idle traffic flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, and the idle bandwidth of the CSN is not less than the guaranteed bandwidth of the corresponding terminal access request, it is determined to access the terminal.

When the number of re-accessible users of the CSN is greater than 0, and when the number of idle service flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, it is determined to access the terminal.

When the number of re-accessible users of the CSN is greater than 0, and the number of idle traffic flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, and the idle bandwidth of the CSN is not less than the corresponding terminal access request. If the bandwidth is guaranteed, it is judged to access the terminal.

The method according to any one of claims 1 to 11, wherein the method further comprises:

The ASN negotiates a network access parameter with the terminal.

The method according to claim 12, wherein the network access parameter comprises at least one of a maximum uplink and downlink connection identifier CID number and an uplink maximum classifier number.

A gateway device, wherein the gateway device is connected to at least one connection service network CSN, and is configured to control access of a terminal in a global interworking WIMAX system for microwave access, the gateway device comprising:

The gateway device according to claim 14, wherein the gateway device is integrated in an access service network ASN gateway.

The gateway device according to claim 14, wherein the gateway device further comprises: a first configuration unit, configured to save domain information related to the terminal in a configuration process, where the acquiring unit is further configured to obtain a location from the first configuration unit when the terminal is not authenticated The terminal-related domain information.

The gateway device according to claim 14, wherein the gateway device further comprises:

a second configuration unit, configured to save a quality of service QoS parameter of the terminal in an authentication process, where the determining unit is further configured to determine, according to the QoS parameter saved by the second configuration unit, whether to access the device Said terminal.

The gateway device according to claim 17, wherein the determining unit comprises: a first determining subunit, configured to: when the number of re-accessible users of the CSN is greater than 0, or when the CSN The number of re-accessible users is greater than 0, and the idle bandwidth of the CSN is not less than the guaranteed bandwidth of the corresponding terminal access request, and it is determined to access the terminal.

The gateway device according to claim 17, wherein the determining unit comprises: a second determining sub-unit, configured to: when the number of idle service flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, Or, when the number of idle traffic flows of the CSN is not less than the number of service flows to be created by the corresponding terminal, and the idle bandwidth of the CSN is not less than the guaranteed bandwidth of the corresponding terminal access request, determining to access the terminal.

The gateway device according to claim 17, wherein the determining unit comprises: a third determining subunit, configured to: when the number of re-accessible users of the CSN is greater than 0, and when the CSN is The number of idle traffic flows is not less than the number of service flows to be created by the corresponding terminal, or when the number of re-accessible users of the CSN is greater than 0, and the number of idle traffic flows of the CSN is not less than the service flow to be created by the corresponding terminal. The number of the CSNs is not less than the guaranteed bandwidth of the corresponding terminal access request, and is determined to access the terminal.

The gateway device according to any one of claims 14 to 20, wherein the gateway device further comprises:

a negotiating unit, configured to negotiate with the terminal, the network access parameter of the terminal.