KR101045641B1 - method for service providing, method and apparatus for resource allocation - Google Patents

Abstract

The present invention relates to a service providing method, a resource allocation method and an apparatus in a wireless communication system.

The present invention divides a service provided to a user into a main service and a sub service based on a priority in terms of frequency usage. Then, the service is provided using the remaining frequency channel capacity used by the main service in a time period when the frequency utilization rate of the main service is less than or equal to the threshold. Accordingly, when the user terminal receives service data corresponding to the sub service, the user terminal stores the service data in the storage, and provides the stored service data to the user when the user requests to provide the service.

Radio resource, frequency channel capacity, frequency utilization rate, mobile communication service, broadcasting communication convergence service, wireless communication

Description

Method for service providing, method and apparatus for resource allocation in wireless communication system

The present invention relates to a service providing method, a resource allocation method and an apparatus in a wireless communication system.

The present invention is derived from a study conducted as part of the IT source project of the Ministry of Knowledge Economy and the Ministry of Information and Communication Research and Development. [Task Management Number: 2008-F-007-01, Title: Environment-Adaptive Autonomy of Mobile Communication Wireless Access Methods] Control technology research].

Existing wireless communication service has a difference in frequency utilization rate by time and region. However, when designing a wireless communication system, maximum usage is taken into consideration. Therefore, when the frequency utilization rate is small, the use profit is low compared to the system construction cost. For example, in the case of the existing mobile communication service, the service utilization rate is lower in the late-night time than the commute time, so when the system is designed in consideration of the maximum usage, it causes a waste of frequency resources and the system.

An object of the present invention is to provide a frequency using method and apparatus for improving frequency utilization efficiency in a wireless communication system.

Method for allocating resources by a wireless access device in a wireless communication system according to an aspect of the present invention for achieving the above object,

Dividing a service to be provided to a user into one of a first service and a second service; Retrieving a frequency utilization rate of a service classified as the first service; And if the frequency utilization rate is less than or equal to a threshold value, allocating the remaining frequency channel capacity used by the first service to a service classified as the second service.

In addition, a method for providing a service by a user terminal in a wireless communication system according to another aspect of the present invention,

A radio resource for each service is allocated to a first service in a manner of allocating frequency channel capacity to a first service and allocating the remaining frequency channel capacity used by the first service to a second service when the frequency utilization rate of the first service is less than or equal to a threshold. Receiving resource allocation information from a wireless access device to allocate a; If the received service data corresponds to the second service, storing the received service data in a storage; And providing the user with service data stored in the storage when the second service is requested from the user.

In addition, an apparatus for allocating resources in a wireless communication system according to another aspect of the present invention,

A service to be provided to a user is classified into one of a first service and a second service, a frequency channel capacity is preferentially allocated to a service classified as the first service, and a service classified as the second service is assigned to the first service. A resource allocation unit for allocating the remaining frequency channel capacity used by the first service when the frequency utilization rate is less than or equal to the threshold value; And a wireless communication module providing service data to a user terminal based on a radio resource allocated to each service by the resource allocator.

According to the present invention, it is possible to lower the service usage fee of the user by increasing the frequency utilization efficiency and enable new service generation of the service provider.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software.

Hereinafter, a service providing method, a resource allocation method, and an apparatus in a wireless communication system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a structural diagram showing a wireless communication system according to an embodiment of the present invention, Figure 2 illustrates an example of resource allocation according to an embodiment of the present invention.

On the other hand, the user equipment (User Equipment, UE) (100) and the radio access device (Radio Access Technology, RAT) 200 according to an embodiment of the present invention is a mobile communication standard or WiBro such as 3GPP (3rd Generation Partnership Project) Packet communication standards such as (Wireless Broadband, WiBro) and the like can be followed, and the present invention does not limit specific standards.

Referring to FIG. 1, the user terminal 100 includes a wireless communication module 101, a storage 102, a user interface 103, and a controller 104. Various wireless communication services are provided to the user through wireless communication with the wireless access device 200.

The wireless communication module 101 of the user terminal 100 performs wireless communication with the wireless access device 200, and the storage 102 stores user data and service data corresponding to a wireless communication service.

In addition, the controller 104 controls the operation of each component based on a control command input from the user through the user interface unit 103 and stores the service data received through the wireless communication module 101 in the storage 102. Stored or provided to the user through the user interface 103. In addition, the service data may be provided to another terminal connected to the user terminal 100.

The wireless access device 200 includes a wireless communication module 201 and a resource allocating unit 202, and provides various wireless communication services provided by one or more content providers server 300 connected through a network. 100).

The wireless communication module 201 of the wireless access device 200 transmits various service data received from one or more content providing servers 300 connected through a network to the user terminal 100 through radio resources allocated for each service.

The resource allocating unit 202 divides a wireless communication service provided to the user terminal 100 into a primary service or a secondary service. The radio resource, that is, frequency channel capacity allocation method is different depending on whether the corresponding wireless communication service is a main service or a secondary service.

That is, the frequency channel capacity is allocated in a general manner to the wireless communication service corresponding to the main service, and the remaining frequency channel capacity used in the main service is allocated to the wireless communication service corresponding to the secondary service as shown in FIG. do. Referring to FIG. 2, the resource allocator 202 searches for the frequency utilization rate of the wireless communication service corresponding to the main service in real time, and when the frequency utilization rate of the main service is less than or equal to the threshold value (R _TH ), the resource allocation unit 202 is left in the main service. Allocate frequency channel capacity to secondary service. Therefore, when the frequency utilization rate of the main service is less than or equal to the threshold value R _TH , it is possible to simultaneously provide the main service and the sub service. On the other hand, if the frequency utilization rate of the main service is greater than the threshold, the resource allocation unit 202 does not allocate radio resources to the subservice.

On the other hand, the resource allocation unit 202 uses the priority in terms of frequency use, in order to classify the wireless communication service as a main service or a sub-service, and the priority in this frequency use side is the real-time characteristics of the corresponding wireless communication service. This can be determined by user requirements and service charges.

According to this, the resource allocating unit 202 is a wireless communication service that must determine the start and end of service data transmission, i.e., service data in real time according to a request of a user terminal, such as a mobile communication service and a WiBro service. Determine the service as the main service. In addition, except for the main service, the user determines the start and end of the service data transmission according to resource allocation of the radio access device, not the request of the user terminal, that is, the service data is requested by the user. The wireless communication service determined by resource allocation considering the frequency utilization rate, not the user's request, is determined as a secondary service.

For example, a voice and video call corresponding to a mobile communication service has a high priority in terms of frequency use because the service data should be provided to the user in real time when the user requests the use of the service. Thus, the resource allocation section 202 divides these services into main services.

On the other hand, a wireless communication service that does not need to provide service data to a user in real time has a lower priority than a main service in terms of frequency use. Accordingly, the resource allocation unit 202 divides these services into subservices. These minor services include video-on-demand (VOD) services, regular e-subscription services such as books, newspapers, and magazines, video e-learning services, and navigation maps. (e-upgrade) service, e-information services such as user information (e-information) service, traffic information (e-ad) services and the like can be included.

On the other hand, when the method of providing such sub-services is one-to-many, that is, providing the same wireless communication service data to a plurality of users, the wireless access device 200 uses the wireless communication frequency band in the form of a broadcast channel. Since it provides a corresponding wireless communication service, it may be referred to as a broadcasting communication convergence service.

On the other hand, the resource allocating unit 202, the priority information for each wireless communication service used to classify the wireless communication service as a main service or a secondary service through the user's service request information or the content providing server 300 from the control channel, etc. It is possible to confirm from the received service identification information.

In general, in the case of a wireless communication service such as a mobile communication service provided in real time, there is a deviation in the frequency utilization rate according to time and region. Therefore, sub-services that do not need to be provided in real time differ from time and region of frequency utilization by allocating remaining frequency channel capacity used and remaining in the main service based on the frequency utilization of the main service that varies with time and region, as described above. The effect is to reduce the deviation and increase the frequency utilization as a whole.

Meanwhile, in the embodiment of the present invention, the main service and the sub service are classified according to whether the service data should be provided to the user in real time. However, this is not a limitation of the present invention, and the present invention is based on other frequency usage priorities. You can also distinguish between and secondary services.

3 is a flowchart illustrating a resource allocation method of a wireless access device 200 according to an embodiment of the present invention.

Referring to FIG. 3, the wireless access device 200 first divides a wireless communication service to be provided to the user terminal 100 through a resource allocating unit 202 into a main service or a sub service (S101). Here, the wireless access device 200 divides the wireless communication service into a main service or a sub service based on service request information of the user or service identification information received from the content providing server 300 through a control channel.

Thereafter, the resource allocating unit 202 of the wireless access device 200 preferentially allocates a radio resource, that is, a frequency channel capacity when the corresponding service is a main service. On the other hand, if the corresponding service is a sub-service, the frequency utilization rate of the main service is searched in real time (S102). Then, the frequency utilization rate of the found main service is compared with the threshold value (R _TH ) (S103), and if the frequency utilization rate of the main service is less than or equal to the threshold value, the remaining frequency channel capacity used by the main service, that is, is being used by the main service. The frequency channel capacity not allocated is allocated to the secondary service (S104).

On the other hand, if the frequency utilization rate of the found main service is larger than the threshold, the separate frequency channel capacity is not allocated to the subservice.

On the other hand, when allocating radio resources as described above, the user terminal 100 does not start and end the wireless communication service according to the user's control command, unlike the main service in the case of the sub-service. Instead, the user applies for the provision of the service in advance, and the user terminal 100 receives and stores the service data of the corresponding service through the radio resource allocated only when the frequency utilization rate of the main service is less than or equal to the threshold value and stores it in the storage 102. When the user requests the service at any time after the service data is provided, the corresponding service may be provided using the stored service data.

4 is a flowchart illustrating a communication service providing method of a user terminal 100 according to an exemplary embodiment of the present invention.

Referring to FIG. 4, the user terminal 100 receives a resource from the radio access device 200 to provide a service (S201). Here, when the user requests the provision of the main service, the wireless access device 200 first allocates radio resources to the corresponding main service, and if the frequency utilization rate of the main service is less than or equal to the threshold value for the sub-service registered in advance by the user, the main service. Allocates radio resources by allocating remaining frequency channel capacity.

Thereafter, the user terminal 100 checks whether the service data received from the wireless access device 200 corresponds to a main service or a sub service (S202). As a result of the check, if the received service data corresponds to the sub service, the user terminal 100 stores the received service data in the storage 102 (S203). When a request for using the corresponding subservice is input from the user (S204), the service data stored in the storage 102 is read and provided to the user (S205).

On the other hand, if the received service data corresponds to the main service, the user terminal 100 provides the received service data to the user in real time (S205).

On the other hand, the user terminal when the main service and the sub-service is provided from the wireless access device 200 at the same time while providing the main service to the user while the user is not aware of the sub-service data transmission (Machine-to-machine communication) Stored in storage 102 by protocol. To this end, the user terminal 100 should be equipped with a machine-to-machine communication protocol function for accommodating subservices.

Meanwhile, in FIG. 4, the case where the service data corresponding to the sub-service stored in the user terminal 100 is directly provided to the user is illustrated as an example, but the user terminal 100 provides the stored service data to another terminal (not shown). It is also possible. In this case, when the service data transfer request is received from another terminal or a user connected to the user terminal 100, the controller 104 provides the corresponding service data to the corresponding terminal.

5 illustrates an example of a wireless communication system according to an exemplary embodiment of the present invention, wherein the location information providing terminal 400 provides a location information providing service using location information data received through the user terminal 100. This is an example. 6 illustrates an example of resource allocation according to an exemplary embodiment of the present invention, which illustrates a case in which traffic information broadcasting is provided in the form of broadcast communication convergence service.

Recently, a large number of location information providing services for providing location information in real time using a satellite positioning system (GPS) and map information have been commercialized. On the other hand, the user using the location information providing service needs to update the map (MAP) information of the location information providing terminal 400 at regular intervals. In addition, in the case of a location information providing terminal that provides location information using real-time traffic information provided through a digital multimedia broadcasting (DMB) channel, traffic information is not received in real time when the location is not received. You won't get a problem.

5 is an example of applying a service providing method according to an embodiment of the present invention to update the map information of the location information providing terminal 400 to solve this problem. Referring to FIG. 5, the user terminal 100 receives and stores the upgraded map information provided by the map information providing server 500 in the form of a sub service using a time band having a low frequency utilization rate of the main service, and then stores the upgraded map information to the user. Notify. The user who has been notified of this transfers the map information stored in the user terminal 100 to the location information providing terminal 400 through a wireless personal area network (WPAN) communication scheme, thereby providing the location information providing terminal 400. Upgrade map information. The location information providing terminal 400 may be a navigator, a personal multimedia player (PMP) equipped with a navigation function, or the like.

In addition, when the user terminal 100 located in the car on the road is connected to the wireless communication network, the user terminal 100 receives the real-time traffic information provided by the traffic information providing server 600 through the wireless access device 200 It is received every fixed time in the form of sub-service in the time zone where the frequency utilization rate of the service is low. Then, the received traffic information is transmitted to the location information providing terminal 400 so that real time traffic information can be utilized in the location information providing algorithm. Here, since the real-time traffic information can be provided in a one-to-many manner, it can be provided in the form of a traffic information broadcasting service through a broadcasting channel. 6 illustrates an example of resource allocation corresponding to the case where such traffic information broadcasting service is included in a wireless communication service.

Meanwhile, FIG. 5 illustrates a case where the user terminal 100 does not include a navigation function, and the present invention may be similarly applied to the case where the user terminal 100 includes a navigation function. in this case. The user terminal 100 does not need to deliver the upgraded map information or real-time traffic information to a separate location information providing terminal.

As described above, a method of dynamically allocating a frequency channel capacity according to a frequency utilization rate of a main service, such as a wireless communication service, for a subservice that does not need to provide service data to a user in real time, such as a broadcast communication convergence service, Increasing the frequency utilization efficiency has the effect of lowering the user's service usage fee and generating new revenue for the service provider. In particular, in the case of a broadcasting communication convergence service that provides a service in a one-to-many manner, this effect is prominent.

For example, if there are several users who have applied for the same English conversational video lecture service that is updated by a certain time (for example, one day) through wireless communication, the wireless service provider is one in a low frequency usage period. It is possible to provide the same English conversation video lecture content to multiple users at the same time using the broadcast channel of. Therefore, since it is not necessary to use a separate radio resource for each user to provide the corresponding content, the content provider can provide the corresponding service at a low price to the user.

As another example, in the case of an advertising service, a wireless communication service provider may provide an advertising service provided from an advertising content provider to an unspecified number of users through a broadcast channel in a time slot with a low frequency utilization rate, or as a specific video content. It is possible to include and send advertising content. Accordingly, the wireless communication service provider may provide a benefit of a certain rate reduction to the user who has agreed to receive the advertisement content, and may generate new revenue by adding a constant frequency usage fee according to the advertisement content provider.

The embodiments of the present invention described above are not only implemented by the apparatus and method but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded, The embodiments can be easily implemented by those skilled in the art from the description of the embodiments described above.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a structural diagram showing a wireless communication system according to an embodiment of the present invention.

2 illustrates an example of resource allocation according to an embodiment of the present invention.

3 is a flowchart illustrating a resource allocation method of a wireless access device according to an embodiment of the present invention.

4 is a flowchart illustrating a communication service providing method of a user terminal according to an exemplary embodiment of the present invention.

5 illustrates an example of a wireless communication system according to an embodiment of the present invention.

6 illustrates an example of resource allocation according to an embodiment of the present invention, which illustrates a case where traffic information broadcasting is provided as a wireless communication service.

Claims (13)

In a method for allocating resources according to service characteristics in a wireless access device in a wireless communication system, Classifying a service to be provided to a user as a first service or a second service based on a preset classification criterion; Retrieving a frequency utilization rate of a service classified as the first service; And If the frequency utilization rate of the first service is less than or equal to a threshold, allocating the remaining frequency channel capacity used by the first service to a service classified as the second service; Resource allocation method comprising a. The method of claim 1, The classifying step, And classifying a service to be provided to the user as the first service or the second service based on the service request information of the user. The method of claim 1, The classifying step, And classifying a service to be provided to the user as the first service or the second service based on service identification information received from a corresponding content providing server through a control channel. The method of claim 2 or 3, The first service is a service for providing service data to a user in real time, and the second service is a non-real time service. The method of claim 4, wherein The user terminal determines the start and the end of receiving the service data corresponding to the first service based on the control command of the user, and corresponds to the second service based on the start and the end of the service data transmission of the wireless access device. A method of allocating resources, characterized in that it determines the start and end of service data reception. In a method for providing a service by a user terminal in a wireless communication system, Radio frequency for each service is allocated in a manner of allocating frequency channel capacity to a first service preferentially, and allocating remaining frequency channel capacity used by the first service to a second service when the frequency utilization rate of the first service is equal to or less than a threshold value. Receiving resource allocation information from a radio access device which allocates resources;  If the received service data corresponds to the second service, storing the received service data in a storage; And If the user is requested to provide the second service, providing the service data stored in the storage to the user; Service providing method comprising a. The method of claim 6, If the received service data corresponds to the first service, providing the received service data to a user Service providing method further comprising. The method of claim 6, Start and end of the reception of the service data corresponding to the first service is determined by the user's request, The start and end of receiving the service data corresponding to the second service is determined by the resource allocation of the radio access device. An apparatus for allocating resources according to service characteristics in a wireless communication system, A service to be provided to a user is classified into a first service or a second service based on a predetermined classification criterion, a frequency channel capacity is allocated to a service classified as the first service, and the frequency utilization rate of the first service is a threshold value. A resource allocating unit for allocating the remaining frequency channel capacity used by the first service to a service classified as a second service in the following case; And A wireless communication module for providing service data to a user terminal based on a radio resource allocated to each service by the resource allocator. Resource allocation apparatus comprising a. The method of claim 9, And the first service is a service that should provide service data to a user in real time, and the second service is a non-real time service. The method of claim 10, The first service includes a mobile communication service and a WiBro service, and the second service includes a broadcast communication convergence service. The method of claim 1, If the frequency utilization rate of the first service is higher than the threshold, not allocating resources to the service classified as the second service Resource allocation method further comprising. The method of claim 12, The step of not assigning, And allocating the remaining frequency channel capacity used by the first service to the service classified as the second service after the frequency utilization rate of the first service becomes lower than the threshold again.

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