KR20230118051A - A method of providing customized products based on user preferences - Google Patents

Abstract

According to the present invention, customized products can be provided according to the user's preference.
A method for providing a customized product performed by a server according to an embodiment, comprising: acquiring purchase information from a user terminal; deriving user preference information based on the purchase information; obtaining product information of a plurality of companies from a server corresponding to a plurality of companies; determining a final company product based on user preference information and the plurality of company product information; generating a first interface displaying information on the final enterprise product; and outputting a signal displaying the first interface to the user terminal.

Description

A method of providing customized products based on user preferences

The present invention relates to a method for providing a customized product to a user based on the user's preference.

Entering the 21st century, with the development of computer and internet communication technology, products are being transacted from offline markets to online markets. Along with this, various online product sales platforms have increased rapidly, and research to recommend customized products to users is actively being conducted. Along with this, various domestic large and small businesses are also actively moving to create their own welfare malls or use services, and are focusing on providing customized services based on various customer data they have stored so far. In order to effectively provide a customized service required by a customer, it is important to accurately recognize the state or situation of the client. If the needs of the client can be accurately identified at each moment when the service is delivered to the user, the company will be able to provide a more qualitative and customized service.

Recently, as interest in welfare malls selling various products provided by small and medium-sized enterprises as well as large corporations has increased, research on recommending products tailored to users is being actively conducted. As the demand for providing each welfare mall corresponding to each company based on various data grows, interest in this is also steadily increasing.

According to the present invention, customized products can be provided according to the user's preference.

A method for providing a customized product performed by a server according to an embodiment, comprising: acquiring purchase information from a user terminal; deriving user preference information based on the purchase information; obtaining product information of a plurality of companies from a server corresponding to a plurality of companies; determining a final company product based on user preference information and the plurality of company product information; generating a first interface displaying information on the final enterprise product; and outputting a signal displaying the first interface to the user terminal.

In the customized product providing method performed by a server according to an embodiment, the purchase information includes past purchase product information purchased by the user terminal for a predetermined period of time, and user preference information is derived based on the purchase information. The step of deriving a plurality of preference categories corresponding to each type of the plurality of products purchased in the past based on the past purchase product information; deriving a preference value corresponding to the previously purchased product based on the past purchased product information; determining one of the plurality of preference categories as a final category based on the preference value; and deriving information about a product of a type corresponding to the final category as the user preference information.

In the method for providing a customized product performed by a server according to an embodiment, deriving the preference value may be based on the following equation, [Equation] , wherein U _pr denotes the preference value, j denotes a purchase price during the predetermined period corresponding to the type of the category, and J _a purchases a product during the predetermined period corresponding to the type of the category. The number of times a keyword is inputted through the user terminal corresponding to the type of the category, and K _a corresponding to the type of the category.

In the method for providing a customized product performed by a server according to an embodiment, the method further includes obtaining age information and MBTI information of the user from the user terminal, and user preference information based on the purchase information. The step of deriving may include obtaining MBTI and age-specific preferred product information stored in a database of the server; deriving a first preferred product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information; and deriving information on a product of a type corresponding to the final category among the first preferred products as the user preference information, wherein the MBTI and age-specific preferred product information stored in the database of the server is stored for the predetermined period of time. It may be obtained based on purchase detail information obtained during the purchase.

In the customized product providing method performed by a server according to an embodiment, the purchase information includes purchase amount information corresponding to a product purchased by the user, the MBTI and preferred product information by age, and the user's age information. In the step of deriving the first preferred product based on the user's MBTI information, the MBTI and preferred product information by age, the user's age information, and the user's MBTI information among the products corresponding to the plurality of company product information deriving a first preference candidate product based on; and deriving, as the first preferred product, a product that matches the price of the first preferred candidate product and the price within a predetermined range among the first preferred candidate products.

In the customized product providing method performed by a server according to an embodiment, based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information among the products corresponding to the plurality of company product information The step of deriving a first preferred candidate product may include deriving a product corresponding to the age of the user and the MBTI of the user among products included in the MBTI and preferred product information by age as a second preferred candidate product; and deriving the first preference candidate product based on input information of a product preferred by the user among the second preference candidate products.

In the customized product providing method performed by a server according to an embodiment, the step of determining a final company product based on user preference information and the plurality of company product information includes the first preferred product among the first preferred products. Deriving a concordance rate index of a product corresponding to and a product corresponding to the plurality of company product information; and determining a product having the matching rate index equal to or greater than a predetermined value as the final enterprise product.

In a server performing a method of providing a customized product according to an embodiment, the server includes a processor and a memory storing at least one command executed by the processor, and the processor obtains purchase information from a user terminal and , Deriving user preference information based on the purchase information, obtaining a plurality of company product information from a server corresponding to a plurality of companies, determining a final company product based on the user preference information and the plurality of company product information, , It is possible to generate a first interface including the final company product, and output a signal displaying the first interface on the user terminal.

A computer program stored in a computer readable recording medium to execute a customized product providing method performed by a server according to an embodiment, the method comprising: acquiring purchase information from a user terminal; deriving user preference information based on the purchase information; obtaining product information of a plurality of companies from a server corresponding to a plurality of companies; determining a final company product based on user preference information and the plurality of company product information; generating a first interface including the final enterprise product; and a signal displaying the first interface on the user terminal.

A computer program stored in a computer readable recording medium to execute a method for providing a customized product performed by a server according to an embodiment, wherein the method for providing a customized product includes: the purchase information purchased by the user terminal for a predetermined period of time; The step of deriving user preference information including past purchase product information and based on the purchase information includes selecting a plurality of preference categories corresponding to each of the plurality of product types purchased in the past based on the past purchase product information. deriving; deriving a preference value corresponding to the previously purchased product based on the past purchased product information; determining one of the plurality of preference categories as a final category based on the preference value; and deriving information about a product of a type corresponding to the final category as the user preference information.

A computer program stored in a computer readable recording medium to execute a method for providing a customized product performed by a server according to an embodiment, wherein the method for providing a customized product derives the preference value by the following equation can, [mathematical expression] , wherein U _pr denotes the preference value, j denotes a purchase price during the predetermined period corresponding to the type of the category, and J _a purchases a product during the predetermined period corresponding to the type of the category. The number of times a keyword is inputted through the user terminal corresponding to the type of the category, and K _a corresponding to the type of the category.

A computer program stored in a computer-readable recording medium to execute a method for providing a customized product performed by a server according to an embodiment, the method for providing a customized product, comprising: age information of a user and MBTI information of the user from the user terminal; Obtaining a; further comprising, deriving the user preference information based on the purchase information, obtaining MBTI and preferred product information by age stored in the database of the server; deriving a first preferred product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information; and deriving information on a product of a type corresponding to the final category among the first preferred products as the user preference information, wherein the MBTI and age-specific preferred product information stored in the database of the server is stored for the predetermined period of time. It may be obtained based on purchase detail information obtained during the purchase.

A computer program stored in a computer readable recording medium to execute a method for providing a customized product performed by a server according to an embodiment, wherein the method for providing a customized product includes the purchase information corresponding to a product purchased by the user. The step of deriving a first preferred product including price information and based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information, includes selecting the product among the products corresponding to the plurality of company product information. deriving a first preferred candidate product based on MBTI and preferred product information by age, age information of the user, and MBTI information of the user; and deriving, as the first preferred product, a product that matches the price of the first preferred candidate product and the price within a predetermined range among the first preferred candidate products.

A computer program stored in a computer readable recording medium to execute a method of providing a customized product performed by a server according to an embodiment, wherein the method of providing a customized product includes the MBTI and The step of deriving a first preferred candidate product based on the preferred product information by age, the user's age information, and the user's MBTI information includes the user's age and the user's deriving a product corresponding to the MBTI as a second preferred candidate product; and deriving the first preference candidate product based on input information of a product preferred by the user among the second preference candidate products.

A computer program stored in a computer readable recording medium to execute a method of providing a customized product performed by a server according to an embodiment, the method of providing a customized product based on user preference information and the plurality of company product information. Determining the enterprise product may include deriving a matching rate index between a product corresponding to the first preferred product among the first preferred products and a product corresponding to the plurality of corporate product information; and determining a product having the matching rate index equal to or greater than a predetermined value as the final enterprise product.

A computer-readable recording medium recording a program for executing a customized product providing method in a server according to an embodiment, the method comprising: acquiring purchase information from a user terminal; deriving user preference information based on the purchase information; obtaining product information of a plurality of companies from a server corresponding to a plurality of companies; determining a final company product based on user preference information and the plurality of company product information; generating a first interface including the final enterprise product; and a signal displaying the first interface on the user terminal.

A computer-readable recording medium storing a program for executing a customized product providing method in a server according to an embodiment, wherein the customized product providing method includes: the purchase information is past purchase product information that the user terminal has purchased during a predetermined period of time. The step of deriving user preference information based on the purchase information includes: deriving a plurality of preference categories corresponding to each type of a plurality of products purchased in the past based on the past purchase product information; deriving a preference value corresponding to the previously purchased product based on the past purchased product information; determining one of the plurality of preference categories as a final category based on the preference value; and deriving information about a product of a type corresponding to the final category as the user preference information.

A computer-readable recording medium storing a program for executing a customized product providing method in a server according to an embodiment, wherein the customized product providing method derives the preference value by the following equation, [mathematical expression] , wherein U _pr denotes the preference value, j denotes a purchase price during the predetermined period corresponding to the type of the category, and J _a purchases a product during the predetermined period corresponding to the type of the category. The number of times a keyword is inputted through the user terminal corresponding to the type of the category, and K _a corresponding to the type of the category.

A computer-readable recording medium recording a program for executing a customized product providing method in a server according to an embodiment, wherein the customized product providing method comprises: acquiring age information and MBTI information of the user from the user terminal; Further comprising; and deriving user preference information based on the purchase information may include: obtaining MBTI and preferred product information by age stored in a database of the server; deriving a first preferred product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information; and deriving information on a product of a type corresponding to the final category among the first preferred products as the user preference information, wherein the MBTI and age-specific preferred product information stored in the database of the server is stored for the predetermined period of time. It may be obtained based on purchase detail information obtained during the purchase.

A computer-readable recording medium storing a program for executing a method for providing a customized product in a server according to an embodiment, wherein the method for providing a customized product includes purchase price information corresponding to a product purchased by the user. and deriving a first preferred product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information, wherein the MBTI and age-specific preference among products corresponding to the plurality of company product information deriving a first preferred candidate product based on product information, age information of the user, and MBTI information of the user; and deriving, as the first preferred product, a product that matches the price of the first preferred candidate product and the price within a predetermined range among the first preferred candidate products.

A computer-readable recording medium recording a program for executing a customized product providing method in a server according to an embodiment, wherein the customized product providing method includes the MBTI and age-specific preferred product information among products corresponding to the plurality of company product information. , The step of deriving a first preferred candidate product based on the user's age information and the user's MBTI information may include: among products included in the MBTI and age-specific preferred product information, corresponding to the user's age and the user's MBTI deriving the product as a second preferred candidate product; and deriving the first preference candidate product based on input information of a product preferred by the user among the second preference candidate products.

A computer-readable recording medium storing a program for executing a customized product providing method in a server according to an embodiment, wherein the customized product providing method determines a final corporate product based on user preference information and the plurality of corporate product information. The step of doing may include: deriving a matching rate index between a product corresponding to the first preferred product among the first preferred products and a product corresponding to the plurality of company product information; and determining a product having the matching rate index equal to or greater than a predetermined value as the final enterprise product.

The present invention can improve the user's satisfaction by providing a customized product to the user.

The present invention can provide convenience by providing a customized welfare mall to small and medium-sized enterprises.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included as part of the detailed description to aid understanding of the various embodiments, provide various embodiments and, together with the detailed description, describe technical features of the various embodiments.
1 is a diagram illustrating an operation of a processor according to an embodiment.
2 is a diagram illustrating an operation of a server according to an embodiment.
3 is a diagram illustrating an operation of generating a first interface and transmitting it to a user terminal according to an embodiment.
4 is a diagram illustrating an operation of determining a final category and deriving preference information according to an embodiment.
5 is a diagram illustrating an operation of deriving user preference information according to an embodiment.
6 is a diagram illustrating an operation of deriving a first preferred product according to an embodiment.
7 is a diagram illustrating an operation of deriving a first preference candidate product according to an embodiment.
8 is a diagram illustrating an operation of determining a final enterprise product according to an embodiment.
9 is a diagram illustrating a wireless communication system that can be applied in a communication process according to an embodiment of the present invention.
10 is a diagram illustrating a base station in the wireless communication system according to FIG. 9 .
11 is a diagram illustrating a terminal in the wireless communication system according to FIG. 9 .
12 is a diagram illustrating a communication interface in the wireless communication system according to FIG. 9 .

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals have been used for like elements throughout the description of each figure.

Terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention. The term “and/or” includes any combination of a plurality of related recited items or any one of a plurality of related recited items.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in more detail. In order to facilitate overall understanding in the description of the present invention, the same reference numerals are used for the same components in the drawings, and redundant descriptions of the same components are omitted.

1 is a diagram illustrating an operation of a processor belonging to a server 1 according to an embodiment. Referring to FIG. 1 in detail, at least one processor 110 is a central processing unit (CPU), a graphics processing unit (GPU), or a dedicated method for performing methods according to embodiments of the present invention. may refer to a processor of Each of the memory 120 and the storage device 160 may include at least one of a volatile storage medium and a non-volatile storage medium. For example, the memory 120 may be one of a read only memory (ROM) and a random access memory (RAM), and the storage device 160 may be a flash-memory. , a hard disk drive (HDD), a solid state drive (SSD), or various memory cards (eg, a micro SD card).

In addition, the server 1 may include a transceiver 130 that may be included in the server and perform communication through a wireless network. In addition, the server 1 may further include an input interface device 140 , an output interface device 150 , a storage device 160 , and the like. Each component included in the server 1 is connected by a bus 170 to communicate with each other.

2 is a diagram illustrating an operation of a server according to an embodiment. 3 is a diagram illustrating an operation of generating a first interface and transmitting it to a user terminal according to an embodiment.

Referring to FIGS. 2 and 3 in detail, the server may obtain purchase information from the user terminal. The purchase information may include past purchase product information purchased during a predetermined period of time by the user terminal, and may include all purchase history information of the user. The server may derive user preference information based on the purchase information. At this time, an operation of deriving user preference information will be described later.

The server may obtain product information of a plurality of companies from a server corresponding to a plurality of companies. The plurality of company product information may include information on products sold by a plurality of companies. That is, if there are companies A, B, and C, all of the products sold by the companies A, B, and C may be included.

The server may determine a final corporate product based on user preference information and the plurality of corporate product information. The final corporate product may indicate a product finally recommended to the user among a plurality of corporate products. The server may generate a first interface displaying information on the final enterprise product. In this case, the first interface is a screen of an app or web page displayed on the user terminal and may receive a user input. The server may output a signal displaying the first interface to the user terminal.

The server 1 may transmit and receive signals with the first external server 2 and the second external server 3, acquire purchase information, derive user preference information (301), and obtain corporate product information. may be acquired, a final enterprise product may be determined (302), and a signal for generating a first interface and displaying it on a user terminal may be output (303).

4 is a diagram illustrating an operation of determining a final category and deriving preference information according to an embodiment. Referring to FIG. 4 in detail, the server may derive a plurality of preference categories corresponding to each type of a plurality of products purchased in the past based on information on products purchased in the past. For example, if a plurality of products purchased in the past are microwave ovens, refrigerators, and TVs, preference categories of microwave ovens, refrigerators, and TVs may be derived. The server may derive a preference value corresponding to a product purchased in the past based on information about a product purchased in the past. The server may determine one of the plurality of preference categories as the final category based on the preference value, and derive information on a product of a type corresponding to the final category as the user preference information. In an embodiment, one of the preferred categories is ramen, and a type of product corresponding to the final category may be derived as ramen. At this time, the preference value may be derived by the following equation.

[mathematical expression]

U _pr denotes the preference value, j denotes a purchase price during the predetermined period corresponding to the type of the category, and J _a denotes a product purchased during the predetermined period corresponding to the type of the category. Indicates the number of times, b corresponds to the type of the category, and K _a corresponds to the type of the category.

The server may also set the preferred value of the product preferred by the MBTI and age group to be high based on the MBTI and preferred product information by age group described later, and also obtain SNS information used by the user from a fourth external server. In addition, based on SNS information used by the user, the preference value may be set to be high in relation to the number of products tagged by the user's posting for a predetermined time or more.

In addition, the server may obtain information about the user's schedule from the user terminal, and based on the information about the user's schedule, if the user has made a schedule related to sports such as golf or table tennis, the preference value of the product related to the schedule is high. In this case, in the case of a product related to the schedule, it may mean deriving a preference value of a product related to a word written in the schedule, and information on a product related to a specific word may be obtained from a fifth external server. can

The server may derive a plurality of preference categories (401), derive a preference value (402), determine a final category, and derive preference information (403).

5 is a diagram illustrating an operation of deriving user preference information according to an embodiment.

Referring to FIG. 5 in detail, the server may obtain age information of the user and MBTI information of the user from the user terminal, and obtain MBTI information stored in the database of the server and preferred product information by age. At this time, MBTI and age-specific preferred product information stored in the database of the server may be obtained based on purchase details information obtained during the predetermined period. At this time, the MBTI can represent information about a person's propensity, and can be largely classified into 16 types. The contents may be based on commonly used contents. The server may derive a first preferred product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information. At this time, the server may derive information about a product of a type corresponding to the final category among the first preferred products as the user preference information.

According to an embodiment, when using the database of the server, the type of product most purchased by ESFPs, who are men in their 20s and whose MBTI is the user's age, can be derived as user preference information.

The server may acquire age information and MBTI information of the user (501), obtain MBTI and preferred product information for each age (502), derive a first preferred product (503), and obtain user preference information (503). can be derived 504 .

6 is a diagram illustrating an operation of deriving a first preferred product according to an embodiment.

6, the server derives a first preferred candidate product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information among the products corresponding to the plurality of company product information. step is,

A product corresponding to the age of the user and the MBTI of the user among products included in the MBTI and preferred product information for each age may be derived as a second preferred candidate product, and a product preferred by the user among the second preferred candidate products may be selected. The first preferred candidate product may be derived based on input information.

The server may derive 601 a preferred candidate product and may derive 602 a first preferred product.

7 is a diagram illustrating an operation of deriving a first preference candidate product according to an embodiment.

Referring to FIG. 7 in detail, purchase information may include purchase price information corresponding to a product purchased by the user. The server may derive a first preferred candidate product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information among products corresponding to a plurality of company product information.

The first preference candidate products are candidate products prior to becoming the first preference product, and may be for deriving the first preference product from among them after first deriving the first candidate based on age and MBTI. The server may derive a product corresponding to an amount corresponding to the purchase price information and an amount within a predetermined range from among first preferred candidate products as the first preferred product. At this time, the amount corresponding to the purchase amount information is set as a value obtained by dividing the total amount purchased by the user during the predetermined period by the total number of products purchased by the user, or derived by the amount input by the user or a method set by the user. can represent an amount.

The server may derive 701 a second preferred product and may derive 702 a first preferred candidate product.

8 is a diagram illustrating an operation of determining a final enterprise product according to an embodiment.

Referring to FIG. 8 in detail, it is possible to derive a match rate index of a product corresponding to the first preferred product among first preferred products and a product corresponding to the plurality of company product information, and the product having the match rate index equal to or greater than a predetermined value. can be determined as the final enterprise product.

At this time, the coincidence rate index can be derived by Equation 2 below.

[Equation 2]

M represents the agreement rate index, _Upr represents the preference value, d represents the number of agreement rate index elements, l _c represents a agreement value corresponding to the c-th agreement rate index element, k _c denotes a weight corresponding to the c-th coincidence index element. The coincidence rate index element is a similarity rate between the amount corresponding to the first preferred product and the amount corresponding to the plurality of company product information;

Product similarity rate between a first preferred product and a product corresponding to a plurality of company product information, and a similarity rate between a product purchased most recently by a user during a predetermined period among first preferred products and a product corresponding to the plurality of company product information ,

Among the first preferred products, a company brand of a product most recently purchased by the user for a predetermined period of time and a brand matching rate of a product corresponding to a plurality of company product information may be included as a matching rate index factor.

At this time, the similarity rate of products may be preset, and the brand matching rate may also be preset. At this time, the brand matching rate may be set in advance by being subdivided into 80% for Nike and Adidas, 60% for Nike and Puma, and the like, as an example. The similarity rate of products can also be set to 70% coincidence rate for computers and smartphones, and other products can also be subdivided and set. In this case, the similarity rate between the brand and the product may be acquired from the second and third external servers.

The server may also recommend a corresponding product and at least three products related to the corresponding product together if the matching rate index is greater than or equal to a predetermined first value, and if it is less than the first predetermined value and greater than or equal to a predetermined second value, the server may recommend a corresponding product and at least three products related to the corresponding product. You can set it to recommend a product you like and one related product.

The server may derive an agreement rate index ( 801 ) and determine a final enterprise product ( 802 ).

The user terminal includes a communicable desktop computer, a laptop computer, a notebook, a smart phone, a tablet PC, a mobile phone, and a smart watch. ), smart glass, e-book reader, portable multimedia player (PMP), portable game machine, navigation device, digital camera, digital multimedia broadcasting (DMB) player, digital voice recorder audio recorder), a digital audio player, a digital video recorder, a digital video player, and a personal digital assistant (PDA).

When using machine learning days, deep learning models can be used and can be performed using machine learning models. In this case, the learning data set may include various information obtained from various external servers as a learning data set, and a supervised learning method may be used. In this case, the deep learning model module may use a deep neural network (DNN) algorithm. Without being limited to those described, Convolutional Neural Network (CNN), Recurrent Neural Network (RNN), Restricted Boltzmann Machine (RBM), Deep Belief Network (DBN) algorithms Since each algorithm is a well-known technique, a description thereof will be omitted.

9 is a diagram illustrating a wireless communication system that can be applied in a communication process according to an embodiment of the present invention. 10 is a diagram illustrating a base station in the wireless communication system according to FIG. 9 . 11 is a diagram illustrating a terminal in the wireless communication system according to FIG. 9 . 12 is a diagram illustrating a communication interface in the wireless communication system according to FIG. 9 .

Hereinafter, an example of a wireless communication network system supporting communication between various servers 1 and terminals 200 and 300 according to the present invention will be described in detail as an example. In the following description, a first node (device) may be an anchor/donor node or a centralized unit (CU) of an anchor/donor node, and a second node (device) may be an anchor/donor node or a distributed unit (DU) of a relay node can be

A base station (BS), terminal, server, etc. may be included as a part of a node using a radio channel in a wireless communication system.

A base station is a terminal and a network infrastructure that provides wireless access to terminals. A base station has a coverage defined as a predetermined geographic area according to a distance over which a signal can be transmitted.

A base station, like a "base station," is referred to as "access point (AP)", "enodeb (eNB)", "5th generation (5G) node", "wireless point", " It may be referred to as a transmission/reception point (TRP).

The base station, the terminal, and the terminal may transmit and receive wireless signals in a millimeter wave (mmWave) band (eg, 28 GHz, 30 GHz, 38 GHz, and 60 GHz). At this time, the base station, the terminal, and the terminal may perform beamforming to improve the channel gain. Beamforming may include transmit beamforming and receive beamforming. That is, the base station, the terminal, and the terminal can give directivity to the transmitted signal and the received signal. To this end, the base station, the terminal, and the terminal may select a serving beam through a beam search procedure or a beam management procedure. After that, communication may be performed using a resource carrying a serving beam and a resource having a quasi co-located relationship.

A first antenna port and a second antenna port are considered quasi-colocated if the large-scale properties of the channel through which the symbol of the first antenna port carries can be inferred from the channel through which the symbol of the second antenna port carries. The large-scale properties may include one or more of delay spread, Doppler shift, average gain, average delay, and spatial Rx parameters.

Hereinafter, a base station in the wireless communication system described above is exemplified. The terms "-module", "-unit" or "-er" used below may mean a unit that processes at least one function or operation, and may include hardware, software, or both hardware and software. It can be implemented as a combination of

The base station may include a wireless communication interface, a backhaul communication interface, a storage unit and a controller.

The wireless communication interface performs a function of transmitting and receiving signals through a wireless channel. For example, the wireless communication interface may perform a conversion function between a baseband signal and a bit stream according to a physical layer standard of the system. For example, in data transmission, a radio communication interface encodes and modulates a transmitted bit stream to generate composite symbols. Also, upon receiving data, the wireless communication interface demodulates and decodes the baseband signal to reconstruct the received bit stream.

The wireless communication interface performs a function of transmitting and receiving signals through a wireless channel. For example, the wireless communication interface may perform a conversion function between a baseband signal and a bit stream according to a system physical layer standard. For example, in data transmission, a radio communication interface encodes and modulates a transmitted bit stream to generate composite symbols. Also, upon receiving data, the wireless communication interface demodulates and decodes the baseband signal to reconstruct the received bit stream.

In addition, the wireless communication interface up-converts a baseband signal into a radio frequency (RF) band signal, transmits the converted signal through an antenna, and down-converts the RF band signal received through the antenna into a baseband signal. To this end, the wireless communication interface includes a transmission filter, a reception filter, an amplifier, a mixer, an oscillator, a digital-to-analog converter (DAC), An analog-to-digital converter (ADC) and the like may be included. Also, the wireless communication interface may include a plurality of transmit/receive paths. Additionally, the wireless communication interface may include at least one antenna array comprising a plurality of antenna elements.

In terms of hardware, the wireless communication interface may include a digital unit and an analog unit, and the analog unit may include a plurality of sub-units according to operating power, operating frequency, and the like. A digital unit may be implemented with at least one processor (eg, a digital signal processor (DSP)).

The wireless communication interface transmits and receives signals as described above. Accordingly, a wireless communication interface may be referred to as a “transmitter”, “receiver” or “transceiver”. In addition, in the following description, transmission and reception performed through a wireless channel may be used as a meaning including processing performed in a wireless communication interface as described above.

The backhaul communication interface provides an interface for communicating with other nodes in the network. That is, the backhaul communication interface converts the bit stream transmitted to other nodes, for example, other access nodes, other base stations, upper nodes or core networks from base stations into physical signals, and the physical signals received from other nodes into bits. convert to stream

The storage unit stores data such as basic programs, applications, and setting information for operation of the base station. The storage unit may include volatile memory, non-volatile memory, or a combination of volatile and non-volatile memory.

The controller controls the overall operation of the base station. For example, the controller transmits and receives signals through a wireless communication interface or a backhaul communication interface. Also, the controller writes data to the storage unit and reads the recorded data. The controller can perform protocol stack functions required by communication standards. According to another implementation, a protocol stack may be included in a wireless communication interface. To this end, the controller may include at least one processor.

According to an embodiment, the controller may control the base station to perform an operation according to an embodiment of the present invention.

According to various embodiments, a donor node of a wireless communication system includes at least one processor, includes a transceiver operably coupled to the at least one processor, and includes a plurality of radio bearers for a terminal accessing the relay node. configured to transmit to a relay node a first message including first information related to the donor node about; receive a second message including second information related to the relay node regarding a plurality of radio bearers for the terminal from the relay node; Data for the terminal may be transmitted to the relay node. Data may be transmitted to the terminal through a plurality of radio bearers based on the first information and the second information.

According to various embodiments, a radio bearer among a plurality of radio bearers may integrate a plurality of radio bearers. the at least one processor is also configured to determine a radio bearer for a terminal accessing the relay node and multiple radio bearers aggregated by the radio bearer; Alternatively, a radio bearer for a UE accessing a relay node may be determined.

According to various embodiments, the first message may include one or more of: identification of a terminal accessing the relay node; display information indicating the type of terminal accessing the relay node; information about a radio bearer of a terminal accessing a relay node; information about a radio bearer transmitted by a terminal accessing a relay node; information about a tunnel established for a radio bearer between the donor node and the relay node; information about integrated multiple radio bearers; radio bearer mapping information; information about the address of the side of the donor node; information about the address of the relay node side; indication information corresponding to a radio bearer of a terminal accessing the relay node; indication information indicating the relay node to allocate a new address to a radio bearer for a terminal accessing the relay node; a list of address information that cannot be used by a relay node that transmits radio bearer data of a terminal accessing the relay node; and information related to security configuration.

According to various embodiments, the second message may include one or more of: identification of a terminal accessing the relay node; information about the radio bearer granted by the relay node; information about radio bearers not acknowledged by the relay node; information about radio bearers partially granted by the relay node; radio bearer mapping information; Configuration information of a terminal accessing the relay node created by the relay node; information about the address of the relay node side; and information related to security configuration.

According to various embodiments, the second message may further include information on integrated multiple radio bearers.

According to various embodiments, the donor node may include a central unit of the donor node, and the relay node may include a distribution unit of the donor node.

According to various embodiments, a relay node of a wireless communication system includes at least one processor, includes a transceiver operably coupled to the at least one processor, and provides a plurality of information from a donor node to a terminal accessing the relay node. configured to receive a first message including first information related to a donor node for a radio bearer of; transmit to the donor node a second message including second information related to the relay node for the plurality of radio bearers for the terminal; Data on the terminal may be received from the donor node. Data may be transmitted to the terminal through a plurality of radio bearers based on the first information and the second information.

According to various embodiments, a radio bearer among a plurality of radio bearers may integrate a plurality of radio bearers. the at least one processor is also configured to determine a radio bearer for a terminal accessing the relay node and multiple radio bearers aggregated by the radio bearer; Alternatively, multiple radio bearers integrated by radio bearer may be determined.

According to various embodiments, the first message may include one or more of: identification of a terminal accessing the relay node; display information indicating the type of terminal accessing the relay node; information about a radio bearer of a terminal accessing a relay node; information about a radio bearer transmitted by a terminal accessing a relay node; information about a tunnel established for a radio bearer between the donor node and the relay node; information about integrated multiple radio bearers; radio bearer mapping information; information about the address on the side of the donor node; information about the address of the relay node side; indication information corresponding to a radio bearer of a terminal accessing the relay node; indication information indicating the relay node to allocate a new address to a radio bearer for a terminal accessing the relay node; a list of address information that cannot be used by a relay node that transmits radio bearer data of a terminal accessing the relay node; and information related to security configuration.

According to various embodiments, the second message may include one or more of: identification of a terminal accessing the relay node; information about the radio bearer granted by the relay node; information about radio bearers not acknowledged by the relay node; information about radio bearers partially granted by the relay node; radio bearer mapping information; Configuration information of a terminal accessing the relay node created by the relay node; information about the address of the relay node side; and information related to security configuration.

According to various embodiments, the second message may further include information on integrated multiple radio bearers.

According to various embodiments, the donor node may include a central unit of the donor node, and the relay node may include a distribution unit of the donor node.

Hereinafter, components of a terminal in the wireless communication system described above are illustrated. Components of a terminal to be described below are components of a general-purpose terminal supported by a wireless communication system, and may be merged or integrated with components of a terminal according to the foregoing contents, and may overlap or conflict with the above drawings. It can be interpreted that the content described with reference takes precedence. The terms "-module", "-unit" or "-er" used below may mean a unit that processes at least one function.

The terminal includes a communication interface, a storage unit and a controller.

The communication interface performs a function of transmitting and receiving signals through a wireless channel. For example, the communication interface performs a conversion function between a baseband signal and a bit stream according to the physical layer standard of the system. For example, in data transmission, a communication interface encodes and modulates a transmission bit stream to generate composite symbols. Also, when receiving data, the communication interface demodulates and decodes the baseband signal to reconstruct the received bit stream. Further, the communication interface up-converts the baseband signal to an RF-band signal, transmits the converted signal through an antenna, and down-converts the RF-band signal received through the antenna into a baseband signal. For example, the communication interface includes a transmission filter, a reception filter, an amplifier, a mixer, an oscillator, and a digital-to-analog converter (DAC). , an analog-to-digital converter (ADC), and the like.

Also, the communication interface may include a plurality of transmit/receive paths. Additionally, the communication interface may include at least one antenna array comprising a plurality of antenna elements. On the hardware side, the wireless communication interface may include a digital circuit and an analog circuit (eg, a radio frequency integrated circuit (RFIC)). A digital circuit may be implemented with at least one processor (eg, DSP). A communication interface may include multiple RF chains. The communication interface may perform beamforming.

The communication interface transmits and receives signals as described above. Accordingly, a communication interface may be referred to as a “transmitter”, “receiver” or “transceiver”. In addition, in the following description, transmission and reception performed through a radio channel may be used as a meaning including processing performed in a communication interface as described above.

The storage unit stores data such as basic programs for operation of the terminal, applications, and setting information. The storage unit may include volatile memory, non-volatile memory, or a combination of volatile and non-volatile memory. In addition, the storage unit provides stored data according to the request of the controller.

The controller controls the overall operation of the terminal. For example, the controller sends and receives signals through a communication interface. Also, the controller writes data to the storage unit and reads the recorded data. The controller can perform protocol stack functions required by communication standards. According to another implementation, a protocol stack may be included in the communication interface. To this end, the controller may include at least one processor or microprocessor or reproduce parts of a processor. Also, a part of the communication interface or controller may be referred to as a communication processor (CP).

According to an embodiment of the present invention, a controller may control a terminal to perform an operation according to an embodiment of the present invention.

Hereinafter, a communication interface in a wireless communication system is illustrated.

The communication interface includes encoding and modulation circuitry, digital beamforming circuitry, a plurality of transmission paths, and analog beamforming circuitry.

Encoding and modulation circuitry performs channel encoding. At least one of a low-density parity check (LDPC) code, a convolution code, and a polar code may be used for channel encoding. An encoding and modulation circuit generates modulation symbols by performing constellation mapping.

A digital beamforming circuit performs beamforming on a digital signal (eg, a modulation symbol). To this end, a digital beamforming circuit multiplexes modulation symbols by beamforming weights. Beamforming weights can be used to change the size and phrase of a signal, and can be referred to as a "precoding matrix" or "precoder". The digital beamforming circuit outputs digital beamformed modulation symbols to a plurality of transmission paths. In this case, according to a multiple input multiple output (MIMO) transmission method, modulation symbols may be multiplexed or the same modulation symbol may be provided to a plurality of transmission paths.

The plurality of transmission paths convert digital beamformed digital signals into analog signals. To this end, each of the plurality of transmission paths may include an inverse fast fourier transform (IFFT) computation unit, a cyclic prefix (CP) insertion unit, a DAC, and an up conversion unit. The CP insertion unit is for an orthogonal frequency division multiplexing (OFDM) method and may be omitted when another physical layer method (eg, a filter bank multi-carrier: FBMC) is applied. That is, the plurality of transmission paths provide independent signal processing processes for a plurality of streams generated through digital beamforming. However, depending on the implementation, some elements of the plurality of transmission paths may be commonly used.

An analog beamforming circuit performs beamforming on an analog signal. To this end, the digital beamforming circuit multiplexes analog signals by beamforming weighting values. The beamformed weights are used to change the amplitude and phrase of the signal. More specifically, the analog beamforming circuit may be configured in various ways according to a connection structure between a plurality of transmission paths and an antenna. For example, each of a plurality of transmission paths may be connected to one antenna array. In another example, multiple transmission paths may be coupled to one antenna array. In another example, multiple transmission paths may be adaptively coupled to one antenna array or may be coupled to two or more antenna arrays.

The methods according to the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded on a computer readable medium. Computer readable media may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on a computer readable medium may be specially designed and configured for the present invention or may be known and usable to those skilled in computer software.

Examples of computer readable media may include hardware devices specially configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions may include not only machine language codes generated by a compiler but also high-level language codes that can be executed by a computer using an interpreter and the like. The hardware device described above may be configured to operate with at least one software module to perform the operations of the present invention, and vice versa.

In addition, the above-described method or device may be implemented by combining all or some of its components or functions, or may be implemented separately.

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art will variously modify and change the present invention within the scope not departing from the spirit and scope of the present invention described in the claims below. You will understand that it can be done.

The methods according to the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded on a computer readable medium. Computer readable media may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on a computer readable medium may be specially designed and configured for the present invention or may be known and usable to those skilled in computer software.

Examples of computer readable media may include hardware devices specially configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions may include not only machine language codes generated by a compiler but also high-level language codes that can be executed by a computer using an interpreter and the like. The hardware device described above may be configured to operate with at least one software module to perform the operations of the present invention, and vice versa.

In addition, the above-described method or device may be implemented by combining all or some of its components or functions, or may be implemented separately.

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art will variously modify and change the present invention within the scope not departing from the spirit and scope of the present invention described in the claims below. You will understand that it can be done.

1: server
10: user terminal

Claims (10)

In the customized product providing method performed by the server,
obtaining purchase information from a user terminal;
deriving user preference information based on the purchase information;
obtaining product information of a plurality of companies from a server corresponding to a plurality of companies;
determining a final company product based on user preference information and the plurality of company product information;
generating a first interface displaying information on the final enterprise product; and
Outputting a signal for displaying the first interface on the user terminal. According to claim 1,
The purchase information includes past purchase product information purchased by the user terminal during a predetermined period of time;
The step of deriving user preference information based on the purchase information,
deriving a plurality of preference categories corresponding to each type of a plurality of products purchased in the past based on the past purchase product information;
deriving a preference value corresponding to the previously purchased product based on the past purchased product information;
determining one of the plurality of preference categories as a final category based on the preference value; and
and deriving information on a product of a type corresponding to the final category as the user preference information. According to claim 2,
Deriving the preference value may be based on the following equation,
[mathematical expression]

U _pr denotes the preference value, j denotes a purchase price during the predetermined period corresponding to the type of the category, and J _a denotes a product purchased during the predetermined period corresponding to the type of the category. wherein b represents the number of times a keyword is input through the user terminal corresponding to the category type, and K _a corresponds to the category type. According to claim 3,
Further comprising: obtaining user age information and MBTI information of the user from the user terminal;
The step of deriving user preference information based on the purchase information,
Obtaining preferred product information by age and MBTI stored in the database of the server;
deriving a first preferred product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information; and
Deriving information on a product of a type corresponding to the final category among the first preferred products as the user preference information;
The MBTI and age-specific preferred product information stored in the database of the server are obtained based on purchase detail information obtained during the predetermined period. According to claim 4,
The purchase information includes purchase amount information corresponding to a product purchased by the user;
Deriving a first preferred product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information,
deriving a first preferred candidate product from among products corresponding to the plurality of company product information, based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information; and
and deriving, as the first preferred product, a product corresponding to a price of the first preferred candidate product and a price within a predetermined range among the first preferred candidate products. According to claim 5,
Deriving a first preferred candidate product based on the MBTI and preferred product information by age, the user's age information, and the user's MBTI information among the products corresponding to the plurality of company product information,
deriving a product corresponding to the age of the user and the MBTI of the user among products included in the MBTI and preferred product information by age as a second preferred candidate product; and
and deriving the first preferred candidate product based on input information of a product preferred by the user among the second preferred candidate products. According to claim 6,
Determining a final company product based on user preference information and the plurality of company product information,
deriving a matching rate index between a product corresponding to the first preferred product among the first preferred products and a product corresponding to the plurality of company product information; and
Determining a product having the matching rate index equal to or greater than a predetermined value as the final enterprise product; In a server performing a method of providing a customized product,
The server includes a processor and a memory storing at least one instruction executed by the processor,
the processor,
Acquiring purchase information from a user terminal;
Deriving user preference information based on the purchase information;
Acquiring product information of a plurality of companies from a server corresponding to a plurality of companies;
determining a final enterprise product based on user preference information and the plurality of enterprise product information;
create a first interface that includes the end enterprise product; and
A server outputting a signal displaying the first interface on the user terminal. A computer program stored in a computer readable recording medium to execute a customized product providing method performed by a server,
The method of providing the customized product,
obtaining purchase information from a user terminal;
deriving user preference information based on the purchase information;
obtaining product information of a plurality of companies from a server corresponding to a plurality of companies;
determining a final company product based on user preference information and the plurality of company product information;
generating a first interface including the final enterprise product; and
A computer program for outputting a signal displaying the first interface on the user terminal. A computer-readable recording medium recording a program for executing a customized product providing method in a server,
The method of providing the customized product,
obtaining purchase information from a user terminal;
deriving user preference information based on the purchase information;
obtaining product information of a plurality of companies from a server corresponding to a plurality of companies;
determining a final company product based on user preference information and the plurality of company product information;
generating a first interface including the final enterprise product; and
A computer readable recording medium for outputting a signal displaying the first interface on the user terminal.