KR20160028091A - Access point apparatus and method for providing service, and access point controller and method for managing access point apparatus - Google Patents

Access point apparatus and method for providing service, and access point controller and method for managing access point apparatus Download PDF

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Publication number
KR20160028091A
KR20160028091A KR1020140116484A KR20140116484A KR20160028091A KR 20160028091 A KR20160028091 A KR 20160028091A KR 1020140116484 A KR1020140116484 A KR 1020140116484A KR 20140116484 A KR20140116484 A KR 20140116484A KR 20160028091 A KR20160028091 A KR 20160028091A
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South Korea
Prior art keywords
service
terminal
providing
request frame
controller
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KR1020140116484A
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Korean (ko)
Inventor
송영금
신종화
허시영
김현표
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주식회사 케이티
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Priority to KR1020140116484A priority Critical patent/KR20160028091A/en
Publication of KR20160028091A publication Critical patent/KR20160028091A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A method of providing a service by an access point (AP) apparatus in a wireless network, the method comprising: receiving a service request frame for requesting a first service from an access point (AP) apparatus providing a predetermined service; Determining whether a first service requested by the terminal corresponds to a predetermined service; And providing the first service to the terminal according to the service request frame received from the terminal when the first service corresponds to the predetermined service. [0027] According to another aspect of the present invention, .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an AP apparatus and a service providing method using the AP apparatus,

The present invention relates to an AP apparatus, a service providing method using the same, and a method for managing an AP controller and an AP apparatus using the same. More particularly, the present invention relates to an AP apparatus for providing a wireless network service to a terminal under a wireless network, a service providing method using the AP apparatus, and an AP controller for managing an AP apparatus located in a wireless network and a method for managing the AP apparatus by the AP controller will be.

The use of IEEE 802.11 wireless local area networks is rapidly increasing, and this trend is expected to be further intensified in the future. As the use of wireless networks increases, there is an increasing need to improve the performance of wireless networks by maximizing the functions provided by wireless networks.

IEEE 802.11 is a technology used in computer wireless networks called Wi-Fi, and it has an AP (access point) device that plays a role similar to an Ethernet hub. The AP device can communicate with each other by grouping the stations located near the AP device in the infrastructure (infrastructure) network model into one network and communicate with each other through the Ethernet line connected to the AP device, such as another AP, a backbone, Area Network) network.

In recent years, each communication company has provided a wireless network service to users in a dense user environment such as a stadium. When a plurality of users simultaneously connect to one AP device, the burden on the AP device increases, In the event of an error, several users may not be able to use the wireless network service at the same time. Therefore, it is required to provide a wireless network service efficiently to a plurality of users even in a dense user environment.

An AP apparatus, a service providing method, and an AP controller according to an embodiment of the present invention and a method of managing an AP apparatus using the AP apparatus are provided to provide a stable wireless network service to a plurality of users in a user-dense environment.

In addition, an AP apparatus and a service providing method according to an embodiment of the present invention, and a method of managing an AP controller and an AP apparatus using the AP apparatus according to an embodiment of the present invention, Thereby preventing degradation.

According to an embodiment of the present invention,

A method of providing a service by an access point (AP) apparatus in a wireless network, the method comprising: receiving a service request frame for requesting a first service from an access point (AP) apparatus providing a predetermined service; Determining whether a first service requested by the terminal corresponds to the predetermined service; And providing the first service to the terminal according to a service request frame received from the terminal if the first service corresponds to the predetermined service.

An AP apparatus according to an embodiment of the present invention includes:

An AP apparatus for providing a predetermined service to a terminal in a wireless network, the apparatus comprising: a communication unit for receiving a service request frame for requesting a first service from the terminal; And a controller for determining whether the first service requested by the terminal corresponds to the predetermined service, wherein if the first service corresponds to the predetermined service, the communication unit transmits the service request frame received from the terminal The first service can be provided to the terminal.

According to another aspect of the present invention, there is provided a method of managing an AP apparatus,

A method of managing an AP apparatus by an AP controller, the method comprising: receiving a service request frame for a first service transmitted from a terminal to a first AP apparatus from the first AP apparatus; Determining whether a service that the first AP device can provide to the terminal corresponds to the first service; And if the service provided by the first AP device corresponds to the first service, transmitting a response frame to the first AP device to agree to the provision of the first service to the terminal.

According to another aspect of the present invention,

An AP controller for managing an AP apparatus, comprising: a communication unit for receiving a service request frame for a first service transmitted from a terminal to a first AP apparatus from the first AP apparatus; And a controller for determining whether or not a service that the first AP device can provide to the terminal corresponds to the first service, 1 service, a response frame agreeing to the provision of the first service to the terminal may be transmitted to the first AP device.

According to another aspect of the present invention,

A method for providing service by an AP apparatus in a wireless network, the method comprising: receiving a service request frame for requesting a first service from an access point (AP) apparatus providing a predetermined service; Transmitting the service request frame to an AP controller; And providing the first service to the terminal according to a service request frame received from the terminal, when a response frame agreeing to provide the first service to the terminal is received from the AP controller .

The AP apparatus according to the embodiment of the present invention and the service providing method and the AP controller and the AP apparatus managing method according to the present invention can provide a stable wireless network service to various users in a user crowded environment.

In addition, an AP apparatus and a service providing method according to an embodiment of the present invention, and a method of managing an AP controller and an AP apparatus using the AP apparatus according to an embodiment of the present invention, It is possible to prevent degradation.

1 is a diagram illustrating a wireless network environment according to an embodiment of the present invention.
2 is a flowchart illustrating a service providing method by an AP apparatus according to an embodiment of the present invention.
3 is a flowchart illustrating a service providing method by an AP apparatus according to another embodiment of the present invention.
4 is a flowchart illustrating a method of managing an AP apparatus by an AP controller according to an embodiment of the present invention.
5 is a flowchart illustrating a method of managing an AP apparatus by an AP controller according to another embodiment of the present invention.
6 is a block diagram showing a configuration of an AP apparatus according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

The term " part " used in this embodiment means a hardware component such as software, FPGA, or ASIC, and 'part' performs certain roles. However, 'minus' is not limited to software or hardware. The " part " may be configured to reside on an addressable storage medium and may be configured to play back one or more processors. Thus, by way of example, and by no means, the terms " component " or " component " means any combination of components, such as software components, object- oriented software components, class components and task components, Subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays and variables. The functions provided in the components and parts may be combined into a smaller number of components and parts or further separated into additional components and parts.

In this specification, 'AP device provides service to the terminal' means that the AP device receives a request frame related to the service from the terminal and transmits a data frame related to the service to the terminal. For example, when the AP device provides a web service to the terminal, the AP device receives a connection request frame for a specific web page from the terminal and transmits a data frame for the specific web page to the terminal It can mean something. Also, when the AP device provides the video service to the terminal, it means that the AP device receives the reproduction request frame for the specific video from the terminal and transmits the data frame for the specific video to the terminal have.

1 is a diagram illustrating a wireless network 10 environment in accordance with one embodiment of the present invention.

The wireless network 10 shown in FIG. 1 may include a wireless network of IEEE 802.11. As shown in FIG. 1, the wireless network 10 includes a plurality of AP devices 110A, 110B, and 110C, 120B, and 120C and the AP controller 130, as shown in FIG.

Each of the plurality of AP apparatuses 110A, 110B, and 110C can provide different wireless network 10 services to each of the terminals 120A, 120B, and 120C within overlapping coverage. For example, when the first AP device 110A provides a web service, the second AP device 110B may provide a video service and the third AP device 110C may provide an audio service.

According to an embodiment, each of the plurality of AP devices 110A, 110B, and 110C may include a multi-band AP. Specifically, the first AP device 110A provides each of the plurality of services to the terminals 120A, 120B, and 120C through different bandwidths, and the second AP device 110B provides the first AP device 110A with It is possible to provide a plurality of services of different types to a plurality of terminals 120A, 120B, and 120C through different bandwidths to the terminals 120A, 120B, and 120C.

The plurality of terminals 120A, 120B and 120C include devices capable of accessing a plurality of AP devices 110A, 110B, and 110C such as a smart phone, a PDA, and a laptop to use a predetermined wireless network 10 service.

The AP controller 130 manages and controls each of a plurality of AP apparatuses 110A, 110B, and 110C located in the wireless network 10. [ The AP controller 130 may be an AP apparatus itself and in this case the AP controller 130 may be selected from a plurality of AP apparatuses 11A, 110B and 110C. Depending on the implementation, the AP controller 130 may be omitted under the environment of the wireless network 10 according to an embodiment of the present invention, which will be described later.

Each of the plurality of AP devices 110A, 110B, and 110C according to an embodiment of the present invention provides different services in each of the plurality of terminals 120A, 120B, and 120C, The other AP apparatus performs the role of the AP apparatus in which the abnormality occurs, thereby solving the problems of the above-described prior art.

Hereinafter, the operation of the AP apparatus according to an embodiment of the present invention will be described in detail with reference to FIG. In the following description, reference numeral 110 denotes any one of a plurality of AP apparatuses 110A, 110B and 110C shown in FIG. 1, and reference numeral 120 denotes a plurality of terminals 120A , 120B, and 120C.

2 is a flowchart illustrating a method of providing a service by the AP device 110 according to an embodiment of the present invention. The AP device 110 when the AP controller 130 does not exist in the environment of the wireless network 10, As shown in Fig.

In step S210, the AP device 110 receives a service request frame requesting the first service from the terminal 120. [

The first service may include, but is not limited to, a web service, a video service, or an audio service. The AP device 110 is preset to provide a specific service to the ATs 120. When the AP device 110 is a multi-band AP, the specific service may include a plurality of services.

The service request frame is a frame transmitted from the terminal 120 to the AP device 110 in order to request a service. For example, the service request frame is an association request frame for requesting a connection to the AP device 110, And may include a frame for requesting service to the AP device 110 after accessing the AP 110.

The terminal 120 can confirm what type of service the AP apparatus 110 can provide before transmitting the service request frame to the AP apparatus 110. [ As a method, the terminal 120 can determine what type of service the AP apparatus 110 can provide through the beacon frame broadcasted by the AP apparatus 110, and as an alternative, the AP apparatus 110 The AP device 110 transmits an inquiry frame inquiring about the types of services that the AP device 110 can provide to the AP device 110 and transmits the inquiry frame to the AP device 110 via the response frame received from the AP device 110 You can check the type.

In step S220, the AP apparatus 110 determines whether a predetermined service that the AP apparatus 110 can provide to the terminal 120 corresponds to the first service. The AP device 110 can know the type of the first service requested by the terminal 120 through the information included in the service request frame transmitted from the terminal 120, for example, a field value.

In step S230, when the predetermined service that the AP apparatus 110 can provide corresponds to the first service, the AP apparatus 110 transmits the first service to the terminal 120 ).

If the predetermined service that the AP apparatus 110 can provide does not correspond to the first service, the AP apparatus 110 can not provide the first service to the terminal 120, After determining another AP apparatus 110 capable of providing the first service, the service request frame is transmitted to the determined other AP apparatus 110 so that the other AP apparatus 110 provides the first service to the terminal 120 do. To this end, the AP device 110 may previously store the types of services that each of the plurality of AP devices 110 can provide.

The AP devices 110 according to an embodiment of the present invention provide different services to the AT 120 to prevent a large number of ATs 120 from simultaneously accessing any one of the AP devices 110 can do.

3 is a flowchart showing a service providing method by the AP apparatus 110 according to another embodiment of the present invention.

In step S310, the predetermined AP device 110 providing the predetermined service receives the service request frame requesting the first service from the terminal 120. [

In step S320, the AP device 110 determines whether the first service corresponds to a predetermined service.

If the first service does not correspond to the predetermined service, the AP device 110 can determine another AP device 110 capable of providing the first service, May store information on a service type that the other AP devices 110 can provide, and may determine another AP device 110 capable of providing the first service by referring to the stored information.

In step S340, the AP device 110 delivers a service request frame to another AP device 110 so that the determined other AP device 110 can provide the first service to the AT 120. [

If the first service corresponds to a predetermined service, the AP device 110 determines whether the first service can be provided to the terminal 120 based on its status information in step S350.

The AP device 110 may determine that provision of the first service to the terminal 120 is impossible if the load of the AP device 110 is excessive. For example, when the CPU usage of the AP device 110 exceeds a preset value or when an error occurs in the AP device 110, it can be determined that provision of the first service to the terminal 120 is impossible have.

If it is determined that the first service can be provided to the terminal 120, the AP device 110 provides the first service to the terminal 120 in step S360.

If it is determined that the first service can not be provided to the terminal 120, step S330 is performed. The AP device 110 determines another AP device 110 capable of providing the first service. In this case, although the AP apparatus 110 is set as being able to provide the first service, since it can not provide the first service to the terminal 120 due to the load of the AP apparatus 110 or the like, The AP device 110 determines another AP device 110 capable of providing the first service in a different manner without referring to the information on the service type that the AP device 110 can provide.

Specifically, the AP device 110 can determine a different AP device 110 to provide the first service by referring to the beacon frame received from the other AP devices 110. [

As a method, the AP apparatus 110 refers to the packet amount information to be transmitted by each of the other AP apparatuses 110 included in the beacon frame received from the other AP apparatuses 110 to provide the first service Lt; RTI ID = 0.0 > 110 < / RTI > A beacon frame broadcast by each of the plurality of AP devices 110 includes a PVB (Partial Virtual Bitmap) field indicating whether there is traffic to be transmitted to the ATs 120. The AP device 110 transmits a PVB Field, it is possible to determine another AP apparatus 110 having a small amount of traffic to be transmitted as another AP apparatus 110 providing the first service.

Alternatively, the AP apparatus 110 may calculate the number of the terminals 120 connected to each of the plurality of other AP apparatuses 110 included in the beacon frame received from the other AP apparatuses 110 Lt; RTI ID = 0.0 > 110 < / RTI > The beacon frame includes an association ID (AID) field that identifies the UEs 120 that are coupled to the AP device 110 among the UEs 120 within the coverage area. The AP device 110 includes an association ID It is possible to determine another AP apparatus 110 having a smaller number of connected terminals 120 as an AP apparatus 110 to provide the first service by referring to the AID field.

As another method, if the AP device 110 to be provided with the first service is determined with reference to the PVB field, if there are two or more AP devices 110 having the same packet amount to be transmitted, 1 service to be provided.

The AP device 110 according to an embodiment of the present invention refers to a service request frame transmitted from the AT 120 to another AP device 110 and transmits the service request frame to the AT 120 instead of the other AP device 110 And may provide a wireless network 10 service. Specifically, when the terminal 120 transmits a service request frame requesting a second service to another AP apparatus 110, but an error occurs in another AP apparatus 110, the AP apparatus 110 transmits a second service It may acquire a requesting service request frame and provide the second service to the terminal 120 instead.

The other AP apparatus 110 may transmit a service request frame requesting the second service to the AP apparatus 110 or may transmit the service request frame requesting the second service to the other AP apparatus 110 It is possible to receive a service request frame requesting a second service from another AP apparatus 110. [ The AP device 110 may determine that an error has occurred in another AP device 110 when the beacon frame is not broadcasted by the other AP device 110 for a predetermined time.

FIG. 4 is a flowchart illustrating a method of managing an AP apparatus 110 by an AP controller 130 according to an embodiment of the present invention. Referring to FIG. 4, an AP controller 130 when an AP controller 130 exists in a wireless network 10 environment, The operation of the controller 130 is described.

In step S410, the AP controller 130 receives a service request frame for the first service transmitted from the terminal 120 to the first AP device 110 from the first AP device 110. [ When the service request frame is received from the terminal 120, the first AP device 110 may transmit the service request frame to the AP controller 130.

In step S420, the AP controller 130 determines whether a service that the first AP device 110 can provide to the terminal 120 corresponds to the first service. The AP controller 130 may previously store information on a type of a predetermined service that each of the plurality of AP devices 110 should provide to the terminal 120. [

In step S430, if the service that the first AP apparatus 110 can provide corresponds to the first service, the AP controller 130 transmits a response frame agreeing to the provision of the first service to the terminal 120 1 AP device 110 to allow the first AP device 110 to provide the first service to the terminal 120. [

If the service that the first AP device 110 can provide does not correspond to the first service, the AP controller 130 determines the predetermined second AP device 110 to provide the first service, The second AP device 110 may transmit a request frame requesting the terminal 120 to provide the first service.

5 is a flowchart illustrating a method of managing an AP apparatus 110 by an AP controller 130 according to another embodiment of the present invention.

In step S510, the AP controller 130 receives a service request frame for the first service from the first AP device 110. [

In step S520, the AP controller 130 determines whether a service that the first AP device 110 can provide corresponds to the first service.

In step S530, if the service that the first AP apparatus 110 can provide does not correspond to the first service, the AP controller 130 determines that the second AP apparatus 110 ).

In step S540, the AP controller 130 transmits a request frame requesting the provision of the first service to the determined second AP device 110 so that the second AP device 110 transmits the first service to the terminal 120 .

If the service that the first AP device 110 can provide corresponds to the first service, in step S550, the AP controller 130 determines whether the first AP device 110 can provide the first service State. When the load of the first AP device 110 is excessive or the first AP device 110 determines that an error has occurred in the first AP device 110, the AP controller 130 determines that the first AP device 110 fails to provide the first service .

If it is determined that the first AP device 110 can not provide the first service based on the status information of the first AP device 110, the AP controller 130 determines in step S530 that the first AP device 110 The second AP device 110 that can provide the first service to the terminal 120 is determined. At this time, the AP controller 130 determines a second AP device 110 judged to have a low load, based on the beacon frame received from each of the plurality of AP devices 120 or the status information frame indicating its status .

If it is determined in step S560 that the first AP device 110 can provide the first service, the AP controller 130 transmits a response frame agreeing to provide the first service to the first AP device 110 So that the first AP apparatus 110 provides the first service to the terminal 120. [

6 is a block diagram showing the configuration of an AP apparatus 600 according to an embodiment of the present invention.

Referring to FIG. 6, an AP apparatus 600 according to an embodiment of the present invention may include a communication unit 610, a storage unit 630, and a controller 650.

First, the communication unit 610 receives a service request frame requesting a first service from the terminal 120. [ The communication unit 610 can broadcast a beacon frame including information indicating the type of service that the AP apparatus 600 can provide.

The storage unit 630 stores information indicating the types of services each of the plurality of AP apparatuses 600 including the AP apparatus 600 can provide. The AP apparatus 600 can confirm the providable services of each of the plurality of AP apparatuses 600 located in the wireless network 10 through the information stored in the storage unit 630. [

The control unit 650 determines whether a predetermined service that the AP apparatus 600 can provide corresponds to the first service.

When a predetermined service that the AP apparatus 600 can provide corresponds to the first service, the communication unit 610 can provide the first service to the terminal 120, and when the predetermined service does not correspond to the first service The service request frame is transmitted to another AP device 600 capable of providing the first service so that another AP device 600 provides the terminal 120 with the first service.

If an error occurs in the AP device 600 or if the load of the AP device 600 is excessive even if the predetermined service that the AP device 600 can provide corresponds to the first service, The communication unit 610 may determine the other AP apparatus 600 capable of providing the first service and may transmit the service request frame to the determined other AP apparatus 600. [

If it is determined that an error has occurred in another AP apparatus 600, the communication unit 610 acquires a service request frame transmitted to another AP apparatus 600 and transmits a service request frame to another AP apparatus 600 The terminal 120 may provide a predetermined service instead of the other AP apparatus 600. [

When the AP controller 130 exists in the environment of the wireless network 10, the AP apparatus 600 transmits the service request frame transmitted from the terminal 120 to the AP controller 130, The terminal 120 may provide the first service only when a response frame agreeing to the provision of the first service is received.

Meanwhile, the AP controller 130 according to an embodiment of the present invention may include a communication unit, a storage unit, and a control unit, as in the AP apparatus 600 shown in FIG.

The communication unit receives the service request frame from the first AP apparatus 110 receiving the service request frame requesting the first service.

The storage unit stores information indicating the types of services each of the plurality of AP apparatuses 110 including the AP apparatus 110 can provide. The AP device 110 can identify the available services of each of the plurality of AP devices 110 located in the wireless network 10 through the information stored in the storage section.

The control unit determines whether a service that the first AP apparatus 110 can provide corresponds to the first service. If the service that the first AP apparatus 110 can provide corresponds to the first service, 1 service to the first AP device 110 so that the first AP device 110 provides the terminal 120 with the first service.

When the service that the first AP apparatus 110 can provide does not correspond to the first service, the communication unit refers to the information stored in the storage unit and transmits a second AP apparatus 110 capable of providing the first service . The communication unit transmits the service request frame to the determined second AP apparatus 110, so that the second AP apparatus 110 can provide the terminal 120 with the first service.

If the service that the first AP device 110 can provide corresponds to the first service but the first AP device 110 is determined not to be able to provide the first service, The second AP device 110 can determine the second AP device 110 and transmit the service request frame to the determined second AP device 110. At this time, the AP controller 130 may transmit a response frame to the first AP device 110 that does not agree with the provision of the first service.

The above-described embodiments of the present invention can be embodied in a general-purpose digital computer that can be embodied as a program that can be executed by a computer and operates the program using a computer-readable recording medium.

The computer readable recording medium may be a magnetic storage medium such as a ROM, a floppy disk, a hard disk, etc., an optical reading medium such as a CD-ROM or a DVD and a carrier wave such as the Internet Lt; / RTI > transmission).

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

110, 600: AP device
120: terminal
130: AP controller
610:
630:
650:

Claims (17)

A method for providing a service by an access point (AP) apparatus in a wireless network,
The method comprising: receiving, by an AP device providing a predetermined service, a service request frame requesting a first service from a terminal;
Determining whether a first service requested by the terminal corresponds to the predetermined service; And
And providing the first service to the terminal according to a service request frame received from the terminal if the first service corresponds to the predetermined service.
The method according to claim 1,
Wherein the providing step comprises:
Determining, if the first service does not correspond to the predetermined service, another AP device providing the first service; And
And delivering the service request frame to the other AP device such that the other AP device provides the first service to the terminal.
The method according to claim 1,
Wherein the wireless network includes a plurality of AP devices including the AP device,
Wherein each of the plurality of AP devices comprises:
And providing different services to the terminal in overlapping coverage.
The method according to claim 1,
Wherein the providing step comprises:
When it is determined that the first service corresponds to the predetermined service but can not provide the first service to the terminal, the beacon frame received from each of the plurality of other AP apparatuses, 1 < / RTI >service; And
And delivering the service request frame to the determined other AP device so that the determined other AP device provides the first service to the terminal.
5. The method of claim 4,
Wherein a beacon frame received from each of the plurality of other AP devices comprises:
And packet size information to be transmitted by each of the plurality of other AP apparatuses,
Wherein the step of determining another AP device capable of providing the first service comprises:
Determining a different AP apparatus capable of providing the first service based on the packet amount information included in the beacon frame received from each of the plurality of other AP apparatuses.
5. The method of claim 4,
Wherein a beacon frame received from each of the plurality of other AP devices comprises:
And information on the number of terminals connected to each of the plurality of other AP apparatuses,
Wherein the step of determining another AP device capable of providing the first service comprises:
Determining another AP apparatus capable of providing the first service based on the number information of terminals included in a beacon frame received from each of the plurality of other AP apparatuses.
The method according to claim 1,
The service providing method includes:
Further comprising the step of broadcasting the information indicating the type of the predetermined service in a beacon frame so that the terminal can recognize the type of the predetermined service provided by the AP apparatus.
The method according to claim 1,
The service providing method includes:
Receiving an inquiry frame inquiring about a type of a predetermined service provided by the AP apparatus from the terminal; And
Further comprising the step of transmitting, to the terminal, a response frame indicating a type of a predetermined service that the AP apparatus can provide.
The method according to claim 1,
The service providing method includes:
Obtaining a service request frame requesting a second service transmitted to another AP apparatus; And
And providing the second service to a second terminal that has transmitted a service request frame requesting the second service to the other AP device.
10. The method of claim 9,
Wherein the acquiring comprises:
And obtaining a service request frame for requesting the second service when an error occurs in the another AP apparatus.
An AP apparatus for providing a predetermined service to a terminal in a wireless network,
A communication unit for receiving a service request frame for requesting a first service from the terminal; And
And a controller for determining whether the first service requested by the terminal corresponds to the predetermined service,
Wherein the communication unit provides the first service to the terminal according to a service request frame received from the terminal when the first service corresponds to the predetermined service.
A method for managing an AP apparatus by an AP controller,
Receiving a service request frame for a first service transmitted from a terminal to the first AP apparatus from the first AP apparatus;
Determining whether a service that the first AP device can provide to the terminal corresponds to the first service; And
And transmitting, to the first AP device, a response frame agreeing to the provision of the first service to the terminal if a service that the first AP device can provide corresponds to the first service A method for managing an AP device.
13. The method of claim 12,
Wherein the transmitting comprises:
If it is determined that the first AP device can not provide the first service to the terminal even if the service that the first AP device can provide corresponds to the first service, And sending a response frame to the first AP device, the response frame not agreeing to the request.
14. The method of claim 13,
The management method of the AP apparatus comprises:
Determining a second AP device capable of providing the first service to the terminal; And
And transmitting a request frame requesting the second AP device to provide the first service to the terminal to the second AP device.
15. The method of claim 14,
Wherein determining the second AP device comprises:
And determining the second AP device among the plurality of AP devices based on status information of the plurality of AP devices except for the first AP device.
An AP controller for managing an AP apparatus,
A communication unit for receiving a service request frame for a first service transmitted from the terminal to the first AP apparatus from the first AP apparatus; And
And a controller for determining whether a service that the first AP device can provide to the terminal corresponds to the first service,
Wherein the communication unit transmits a response frame to the first AP apparatus when the service that the first AP apparatus can provide corresponds to the first service, AP controller with.
A method for providing a service by an AP apparatus in a wireless network,
The method comprising: receiving, by an AP device providing a predetermined service, a service request frame requesting a first service from a terminal;
Transmitting the service request frame to an AP controller; And
And providing the first service to the terminal according to a service request frame received from the terminal when a response frame agreeing to provide the first service to the terminal is received from the AP controller, Service provider.
KR1020140116484A 2014-09-02 2014-09-02 Access point apparatus and method for providing service, and access point controller and method for managing access point apparatus KR20160028091A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021242574A1 (en) * 2020-05-26 2021-12-02 XCOM Labs, Inc. Interference-aware beamforming
KR20220075878A (en) * 2020-11-30 2022-06-08 주식회사 엘지유플러스 Master access point for noticing that service is in unavaiable and operating method of the master access point

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021242574A1 (en) * 2020-05-26 2021-12-02 XCOM Labs, Inc. Interference-aware beamforming
US11515973B2 (en) 2020-05-26 2022-11-29 XCOM Labs, Inc. Interference-aware beamforming
KR20220075878A (en) * 2020-11-30 2022-06-08 주식회사 엘지유플러스 Master access point for noticing that service is in unavaiable and operating method of the master access point

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