KR20190046132A - Apparatus and method for processing packet - Google Patents

Abstract

The present disclosure relates to an apparatus for processing a packet in which a plurality of user terminals can share a bearer and a method thereof. According to an embodiment of the present disclosure, the apparatus for processing a packet groups a plurality of user terminals using a mobile communication system according to a predetermined condition, receives an attach request for a network access request (attach request) from any one of the grouped user terminals, sets a default bearer based on the attach request, and transmits and receives, by using the default bearer, packets transmitted and received between the grouped user terminals and an Internet protocol (IP) network.

Description

[0001] APPARATUS AND METHOD FOR PROCESSING PACKET [0002]

The present disclosure relates to a packet processing apparatus and method in which a plurality of user terminals can share a bearer.

Recently, due to the rapid development of communication, computer network and semiconductor technology, not only various services using wireless communication networks have been provided, but the demand of users has been increasing day by day, and the global wireless Internet service market has been exploding Trend. Accordingly, a service provided by a mobile communication system using a wireless communication network is being developed not only as a voice service, but also as a multimedia communication service for transmitting various data. Recently, with the increase of smart phones and the demand for data traffic, mobile operators are investing equipment and technology considering the system part and the influence to accommodate the increased data traffic in various ways.

Long Term Evolution (LTE) is a network for realizing requirements of high data rate, low-latency, and packet optimized radio access for an access network , And is designed to accommodate high-speed rich media while ensuring backward compatibility with existing 3GPP / non-3GPP access networks. LTE is an All-IP-based network that excludes existing circuit-switched based communications and enhances quality of service (OoS) management functions to provide real-time services (eg, voice communications, video communications) The quality of service (QoS) is differentiated for real-time services (e.g., web browsing, Store and Forward data transmission), thereby improving the efficiency of network resources. We also extended the bandwidth for wireless communications by introducing smart antenna technology (MIMO: multiple input multiple output).

In an EPC (Evolved Packet Core) network, which is an LTE core network, an eNodeB, an MME, a MME, a Serving Gateway, and an S-GW < -> P-GW (Packet Data Network-Gateway) to perform call processing for voice and data processing. In the EPC network, a control message such as call setup and release is recognized as an IP packet and transmitted to the P-GW or received from the P-GW and transmitted to the user equipment (UE).

When the user terminal is first attached to the LTE EPC network, the eNB establishes a default bearer in cooperation with the MME to establish a default bearer between the eNB and the S-GW through a GTP (GPRS Tunneling Protocol) The user terminal can communicate. The user terminal can basically create a default bearer when connected to the LTE network and connect / communicate with the public Internet network by setting one or more dedicated bearers according to the necessity. That is, all user terminals establish one or more bearers and communicate with the public Internet network.

The present disclosure provides a packet processing apparatus and method in which a plurality of user terminals can share a bearer.

The packet processing apparatus of the mobile communication system according to an embodiment of the present disclosure groups a plurality of user terminals using a mobile communication system according to predetermined conditions and transmits a network connection request message from one of the grouped user terminals request to set up a default bearer and to control packets to be transmitted and received between grouped user terminals and an IP network to use a basic bearer; And a storage unit for storing information on the grouped user terminals and information on the basic bearer.

In addition, in the packet processing apparatus according to the embodiment of the present disclosure, the control unit groups information by using the identification numbers of a plurality of user terminals or groups according to a radio access method of a plurality of user terminals.

Also, in the packet processing apparatus according to the embodiment of the present disclosure, the identification number of a plurality of user terminals includes an International Mobile Subscriber Identity (IMSI) or an International Mobile Equipment Identity (IMEI).

Also, in the packet processing apparatus according to the embodiment of the present disclosure, the wireless connection scheme of a plurality of user terminals includes a W-CDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution) do.

In addition, in the packet processing apparatus according to the embodiment of the present disclosure, the control unit may include an IP (Internet Protocol) address, a GUTI (Global Unique Temporary Identity), and a radio section bearer between a plurality of user terminals and a base station (eNodeB) bearer identifier, and controls to transmit the assigned IP address, GUTI, and radio bearer identifier to the corresponding user terminal.

In addition, in the packet processing apparatus according to the embodiment of the present disclosure, when receiving a packet to be transmitted from any one of a plurality of user terminals to an IP network, Acquires the IP address and the port information of the basic bearer using the radio bearer identifier and the radio bearer identifier and transmits the packet received from one user terminal to the IP network through the basic bearer using the IP address and port information of the basic bearer .

In addition, in the packet processing apparatus according to the embodiment of the present disclosure, when the control unit receives a packet to be transmitted from the IP network to one of the plurality of user terminals, if the destination IP address included in the received packet is a basic If the IP address of the user terminal matches the IP address of the bearer, the IP address and port information of one user terminal is checked using the destination IP address and port information, and the IP address and port information of the user terminal are received And transmits the packet to one of the user terminals.

According to another aspect of the present invention, there is provided a packet processing method in a mobile communication system, comprising: grouping a plurality of user terminals using a mobile communication system according to preset conditions; Receiving an Attach request from any one of the grouped user terminals; Establishing a default bearer based on the network connection request; And transmitting and receiving packets transmitted and received between the grouped user terminals and an IP network using a basic bearer.

In addition, in the packet processing method according to an embodiment of the present disclosure, grouping a plurality of user terminals according to preset conditions may be performed by grouping using the identification numbers of a plurality of user terminals, Thus grouping.

Also, in the packet processing method according to the embodiment of the present disclosure, the identification number of a plurality of user terminals includes an International Mobile Subscriber Identity (IMSI) or an International Mobile Equipment Identity (IMEI).

Also, in the packet processing method according to the embodiment of the present disclosure, the wireless access method of a plurality of user terminals includes a W-CDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution) do.

Also, in the packet processing method according to the embodiment of the present disclosure, grouping a plurality of user terminals according to predetermined conditions may include grouping an IP (Internet Protocol) address, a Global Unique Temporary Identity (GUTI) (ENodeB), and transmitting the assigned IP address, GUTI, and radio bearer bearer to the corresponding user terminal.

In the packet processing method according to the embodiment of the present disclosure, the step of transmitting and receiving packets using the basic bearer may include receiving a packet to be transmitted from one of the user terminals to the IP network, Obtains the IP address and port information of the basic bearer by using the IP address, port information and radio area bearer identifier of the user terminal of the base bearer, and transmits the packet received from any one user terminal using the IP address and port information of the basic bearer And transmitting the packet to the IP network through the basic bearer.

In addition, in the packet processing method according to the embodiment of the present disclosure, transmitting and receiving packets using a basic bearer may include receiving a packet to be transmitted from an IP network to one of a plurality of user terminals, If the destination IP address included in the packet matches the IP address of the basic bearer, the IP address and port information of one of the user terminals is checked using the destination IP address and the port information, And transmitting the packet received from the IP network to one of the user terminals using the port information.

According to the embodiments of the present disclosure, it is possible to prevent setting different bearers for each user terminal, thereby reducing the load for processing packets transmitted and received in the mobile communication system.

1 is a diagram illustrating an exemplary configuration of a mobile communication system according to an embodiment of the present disclosure.
FIG. 2 is a diagram illustrating an exemplary configuration of an EPC network according to an embodiment of the present disclosure.
3 is an exemplary diagram showing a configuration of a packet processing apparatus according to an embodiment of the present disclosure;
4 is a flow chart illustrating the procedure of a packet processing method according to an embodiment of the present disclosure;

The embodiments of the present disclosure are illustrated for the purpose of describing the technical idea of the present disclosure. The scope of the claims according to the present disclosure is not limited to the embodiments described below or to the detailed description of these embodiments.

All technical and scientific terms used in the present disclosure have the meaning commonly understood by one of ordinary skill in the art to which this disclosure belongs unless otherwise defined. All terms used in the disclosure are selected for the purpose of more clearly illustrating the disclosure and are not chosen to limit the scope of the rights under the present disclosure.

As used in this disclosure, the terms "comprising", "having", "having", "having", and the like are to be construed as including the possibility of including other embodiments, unless the context requires otherwise Should be understood as open-ended terms.

The expressions of the singular forms described in this disclosure may include plural meanings unless the context clearly dictates otherwise, and the same applies to the singular expressions set forth in the claims.

As used in this disclosure, expressions such as " first ", " second ", and the like are used to distinguish a plurality of components from each other and do not limit the order or importance of the components.

The term " part " as used in this disclosure refers to hardware components such as software or an FPGA (field-programmable gate array), ASIC (application specific integrated circuit). However, " part " is not limited to hardware and software. &Quot; Part " may be configured to reside on an addressable storage medium, and may be configured to play back one or more processors. Thus, by way of example, and not limitation, " part (s) " may include but are not limited to elements such as software components, object oriented software components, class components and task components, Microcode, circuitry, data, databases, data structures, tables, arrays, and variables of program code. The functions provided within the component and the " part " may be combined into a smaller number of components and " parts " or further separated into additional components and " parts ".

As used in this disclosure, the expression " based on " is used to describe one or more factors affecting an action or an action of a decision, judgment, as described in the phrase or sentence in which the expression is contained, It does not exclude any additional factors that affect the decision, act of judgment or action.

In the present disclosure, it is to be understood that when an element is referred to as being "connected" or "connected" to another element, it is to be understood that any element may be directly connected to or connected to another element, Or &lt; / RTI &gt; can be connected to each other.

Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. In the accompanying drawings, the same or corresponding components are denoted by the same reference numerals. In the following description of the embodiments, description of the same or corresponding components may be omitted. However, even if the description of the components is omitted, such components are not intended to be included in any embodiment.

In one embodiment, the mobile communication network includes a wireless network such as a Global System for Mobile communication (GSM), a 2G wireless communication network such as CDMA, an LTE network, a wireless Internet such as WiFi, a Wireless Broadband Internet (WiBro), and a World Interoperability for Microwave Access (E.g., 3G mobile communication network such as WCDMA or CDMA2000), 3.5G mobile communication network such as HSDPA (High Speed Downlink Packet Access) or HSUPA (High Speed Uplink Packet Access) Or 4G mobile communication network currently in service, and any other mobile communication network including a macro base station (macro eNodeB), a micro base station (Pico eNodeB, Home eNodeB) and a user terminal (UE: User Equipment) But is not limited thereto. Hereinafter, an E-UTRAN (Evolved Universal Terrestrial Radio Access Network) as a radio access network of LTE will be mainly described.

As shown in FIG. 1, the mobile communication network may include one or more network cells, and may include a Heterogeneous Network (HET) environment in which different kinds of network cells may be mixed in a mobile communication network. The mobile communication network includes miniature base stations (Pico eNodeB, Home-eNodeB, relay, etc.) 11 to 15, 21 to 23, and 23, which manage small-sized network cells (e.g., 'small cells' such as picocells, femtocells, (Macro eNodeBs) 10, 20 and 30 for managing a wide range of cells (for example, 'macro cells' (MSS) 60, an S-GW (Serving Gateway) 80, a P-GW (Packet Data Network) gateway 90 and an HSS (Home Subscriber Server) (100). Each component shown in Fig. 1 is illustrative, and the components of the mobile communication network in which the present disclosure can be implemented are not limited to those shown in the drawings.

For example, the macro base stations 10, 20 and 30 can be used in an LTE network, a WiFi network, a WiBro network, a WiMax network, a WCDMA network, a CDMA network, a UMTS network, But is not limited to, the characteristics of the macro cell base station that manages the base station.

The micro base stations 11 to 15 and 21 to 23 and 31 to 33 can be used in an LTE network, a WiFi network, a WiBro network, a WiMax network, a WCDMA network, a CDMA network, a UMTS network, but is not limited to, the features of a pico base station, an indoor base station or a femto base station, or a relay that manages a cell having a radius of about m to several tens of meters.

The micro base stations 11 to 15 and 21 to 23 and 31 to 33 and the macro base stations 10 and 20 and 30 independently control the SON server 50, the MME 60, the S-GW 80, (90), HSS (100), and the like.

The user terminal 40 may be a mobile Internet network such as a GSM network, a 2G wireless communication network such as a CDMA network, a wireless Internet network such as an LTE network and a WiFi network, a WiBro network, and a WiMax network, But are not limited to, the characteristics of the terminal.

The management server (O & M server) 70, which is a network management apparatus of the micro-base station, is responsible for configuration information and management of the micro base stations 11 to 15, 21 to 23 and 31 to 33 and the macro base stations 10, 20 and 30 . The management server 70 can perform all the functions of the SON server 50, the MME 60, and the HSS 100. [ SON server 50 may include any server that performs macro / micro base station installation and optimization and functions to provide basic parameters or data necessary for each base station. The MME 60 may include any entity used to manage the mobility of the user terminal 40 and the like. In addition, the MME 60 performs a function of a base station controller (BSC), and performs resource allocation, call control, handover control, and handover control on base stations (pico eNodeB, Home- eNodeB, macro eNodeB, Voice and packet processing control, and the like. The HSS 100 is a kind of database for service / authentication of the subscriber.

In one embodiment, one management server 70 can perform all the functions of the SON server 50, the MME 60, and the HSS 100, and the SON server 50, the MME 60, The base station 100 may manage one or more macro base stations 10, 20 and 30 and one or more micro base stations 11 to 15, 21 to 23 and 31 to 33.

Although it is assumed that a macro cell, a pico cell, and a femtocell are mixed in the mobile communication network, the network cell may be composed of a macro cell, a pico cell, and a macro cell.

Specifically, the micro-base stations 11 to 15, 21 to 23, and 31 to 33 can broadcast SIB (System Information Block), which is system information, to the femtocell area managed by itself. And a CSG indicator (Closed Subscriber Group indicator) indicating whether or not it is restricted. SIB is a message that a base station (HeNB, macro eNB) broadcasts information about its own cell to all the user terminals 40. The SIB includes a CGI (Cell Global Identity) (a unique cell identifier in the network), a CSG indication A factor indicating the base station), a CSG ID (an ID for a specific subscriber group), and the like.

When the mobile communication network is assumed to be an LTE network, the LTE network is interworked with an inter-RAT network (WiFi network, WiBro network, WiMax network, WCDMA network, CDMA network, UMTS network, GSM network, etc.). (LTE network, WiFi network, WiMax network, WCDMA network, CDMA network, UMTS network, GSM network, etc.) when one of the inter-RAT networks (e.g., WiBro network) is the mobile communication network. (WiFi network, WiMax network, WCDMA network, CDMA network, UMTS network, GSM network, etc.) are shown apart from one another in the drawing, it is assumed that it is overlaid.

If the micro base stations 11 to 15, 21 to 23 and 31 to 33 and / or the macro base stations 10, 20 and 30 are collectively referred to as a 'base station device', the LTE base station device (eNB in FIG. The Evolved UMTS Terrestrial Radio Access Network (E-UTRAN), which is composed of a plurality of base stations 25-1 to 25-n, has an IP-based flat structure and processes data traffic between the user terminal 40 and the core network. The signal control between them is performed by the MME 60. The MME 60 takes charge of signal control between the eNB 25-n and the S-GW 80 and determines where to route the incoming data from the user terminal 40. [ The S-GW 80 performs an anchor function between the eNBs 25-n and the user terminal between the 3GPP network and the E-UTRAN and transmits the anchor function to the IP network 110 via the P- . The MME 60 / S-GW 80 as a core network equipment manages a plurality of eNBs 25-n, and each eNB 25-n is composed of a plurality of cells. (S1-MME and S1-U in FIG. 2) are used between the eNB 25-n and the MME 60 / S-GW 80, An X2 interface (not shown) is used for over and SON functions.

The setup of the network interface is performed by setting the S1 interface connecting with the MME 60 at the center of the system and the X2 interface which is a network line for direct communication with the eNBs 25-n of other cells existing on the present system. The S1 interface exchanges operation and management (OAM) information to support the movement of the user terminal 40 by exchanging signals with the MME 60. [ Also, the X2 interface exchanges signals for fast handover, load indicator information, and information for self-optimization among the eNBs 25-n.

FIG. 2 is a diagram illustrating an exemplary configuration of an EPC network according to an embodiment of the present disclosure.

The E-UTRAN 25 is an LTE radio access network composed of eNBs 25-1, ..., 25-n, ..., and is based on IP and is connected between the UE 40 and a wireless communication core network And transmits data and control information. In addition, when a terminal using the LTE system moves to an existing 2G / 3G mobile communication network using a voice service, a paging request for a circuit switch (Fallback) to receive voice service, an SMS message to the UE 40 ) And a direct connection to a target cell capable of a CS service.

2, " LTE-Uu " represents an air interface between the E-UTRAN 25 and the UE 40, " S1-MME " represents an interface between the MME 60 and the E-UTRAN 25, "S1-U" represents an interface between the S-GW 80 and the E-UTRAN 25, "S11" represents an interface between the S-GW 80 and the MME 60, "S5 / SGI "represents the interface between the P-GW 90 and the S-GW 90, and" SGi "represents the interface between the IP network 110 and the P-GW 90. And " S6a " may represent the interface between the HSS 100 and the MME 60.

The UE 40 and the eNBs 25-1 to 25-n of the E-UTRAN 25 communicate via the RRC (Radio Resource Control) protocol and the eNB 25- A broadcasting message to a cell area to be controlled by the RRC message is defined as an RRC message. The RRC message may include control messages from the Non-Access Stratum (NAS) protocol, which control messages are transparently transferred to the UE 40 or the core network without being read in the E-UTRAN 25 .

The eNB 25-n is an end point for the radio signal of the E-UTRAN 25 and the control signal is interlocked with the MME 60 via the S1-MME interface and the data traffic is transmitted to the S- (80). The S-GW 80 performs a buffering function for the anchor and downlink traffic for mobility in the E-UTRAN 25. [ The P-GW 90 is a connection point of the external IP network 110, performs IP allocation and billing for a mobile subscriber, and traffic control functions for user data.

The IP network 110 provides an IMS (IP Multimedia Subsystem) service for the UE 40 in the EPC network, a Policy & Charging Rule Function (PCRF), an IMS nodes (for example, a Proxy Call Session Control Function , An Interrogating Call Session Control Function (I-CSCF), a Serving Call Session Control Function (S-CSCF), and an Application Function Function (AF)).

UE 40 sends and receives a call control message for multimedia services using IMS nodes and the Gm interface through an EPC bearer (provided by E-UTRAN / S-GW / P-GW).

The E-UTRAN 25 provides a radio communication function to the UE 40 and performs a function of managing radio resources for the radio communication function.

The MME 60 may receive authentication information for authenticating the UE 40 from the HSS 100 and perform authentication of the UE 40. [ The MME 60 also manages the mobility of the UE 40 and the eNB 25-n at the upper level of the eNB 25-n and controls the setting and release of an Evolved Packet System (EPS) session and a bearer The same call control function can be performed. Mobility and session control with the UE 40 is handled by the NAS protocol at the NAS (Non-Access Stratum) layer located in the control plane of the UE 40 and the MME 60, And the MME 60 communicate with each other through the NAS message. The NAS function is largely divided into EMM (EPS Mobility Management) and ESM (EPS Session Management) functions. In addition, the MME 60 may be directly connected to the IP network 110 through the S-GW 80 and the P-GW 90. The call processing control signal of the eNB 25-n is transmitted to the S-GW 80 via the MME 60 and is transmitted to the P-GW 90 in response to the call processing control signal, Lt; / RTI &gt; The EMM is a sublayer located in the NAS layer, and the EMM procedure is performed, so that the UE 40 has seven EMM states and the MME 60 has four EMM states. In order for the UE 40 and the MME 60 to send and receive NAS messages, a signaling connection must be created between the UE 40 and the MME 60 so that the NAS message can be transmitted. This is called an ECM (EPS Connection Management) connection . The ECM connection is a logical connection and consists essentially of an RRC connection established between the UE 40 and the eNB 25-n and an S1 signaling connection established between the eNB 25-n and the MME 60. That is, the ECM connection is turned on / off means that the RRC connection and the S1 signaling connection are both turned on / off. When an ECM connection is established, an RRC connection is seen from the UE 40, and an S1 signaling connection is established from the MME 60. [ The ECM connection has ECM-Connected and ECM-Idle status depending on whether the NAS signaling connection, ECM connection, or not. According to the EMM procedure, the ECM-Connected state and the ECM-Idle state are frequently moved. This change process is referred to as a state transition.

The S-GW 80 acts as a gateway between the 3GPP network and the E-UTRAN 25 and performs the handover between the eNBs 25-n and the UE 40 between the 3GPP network and the 3GPP network (inter-3GPP) And can perform a mobility anchor function for providing the service. The S-GW 80 can transmit to the P-GW 90 a job necessary for call processing according to the control signal of the eNB 25-n.

The P-GW 90 may allocate an IP address to the UE 40 and apply different QoS policies to the UE 40. [ In addition, the P-GW 90 acts as a gateway to a PDN (Packet Data Network), allowing the UE 40 to access a data network such as the Internet or the Internet to receive services.

Although the S-GW 80 and the P-GW 90 are illustrated as being separated and communicating at the S5 / S8 interface as an embodiment, the S-GW 80 and the P- single gateway).

The HSS 100 may manage authentication information for authenticating the UE 40, location information of the UE 40, and the profile of the UE 40. [ The profile of the UE 40 may include QoS rating information (e.g., priority, maximum available bandwidth, etc.) for each service item to which each UE 40 subscribes. In one embodiment, the authentication information for authenticating the UE 40 and the profile of the UE 40 may be transferred from the HSS 100 to the MME 60 when the UE 40 connects to the network.

The PCRF (not shown) manages policies and rules for charging and allows the P-GW 90 and the S-GW 80 to provide appropriate QoS for the UE 40 and use Allows you to perform the billing function for the bearer.

The IMS node (not shown) is made up of nodes such as P-CSCF, I-CSCF, S-CSCF, and AF in detail and the UE 40 provides multimedia services such as VoIP give.

3 is an exemplary diagram showing a configuration of a packet processing apparatus according to an embodiment of the present disclosure;

3, the packet processing apparatus 300 may include a control unit 310, a storage unit 320, a transmission / reception unit 330, and a system bus 340. The control unit 310, the storage unit 320, and the transmission / reception unit 330 may be connected to each other via the system bus 340 so that they can communicate with each other.

The control unit 310 can group a plurality of user terminals 40 using the mobile communication system according to predetermined conditions. According to an embodiment, the control unit 310 groups the plurality of user terminals 40 using the identification numbers of the plurality of user terminals 40 or groups the plurality of user terminals 40 Accordingly, a plurality of user terminals 40 can be grouped, but is not limited thereto. Here, the identification numbers of a plurality of user terminals may include, but are not limited to, International Mobile Subscriber Identity (IMSI) or International Mobile Equipment Identity (IMEI). The wireless access method of the plurality of user terminals 40 may include W-CDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), or IoT (Internet of Things) .

In addition, the control unit 310 may receive a network access request (Attach request) from any one of the grouped user terminals and set a default bearer. According to an exemplary embodiment, when a network access request is received from any one of UEs of grouped user terminals, if there is no predetermined bearer, basic bearer setup can be performed according to a standard procedure. (Global Unique Temporary Identity) information for each user terminal, an IP (Internet Protocol) address for each user terminal, and a plurality of user terminals and the base stations 10, 10, and 20 from the MME 60 and the P- The control unit 310 can receive information on the radio zone bearer identifier between the mobile station UEs 20, 30, 11 to 15, 21 to 23 and 31 to 33, Allocates a radio link bearer identifier between the UEs and the base stations 10, 20, 30, 11 to 15, 21 to 23 and 31 to 33, and assigns the allocated IP address, GUTI and radio bearer bearer to the corresponding user terminal And the allocated IP address, GUTI, and radio zone bearer identifier may be stored in the storage unit 320 and managed.

In addition, the control unit 310 may control packets transmitted and received between grouped user terminals and an IP network to use a set basic bearer. According to one embodiment, when receiving a packet to be transmitted from one of the user terminals 40 to the IP network 110, the control unit 310 transmits the IP address of one of the user terminals 40 The base bearer obtains the IP address and port information of the basic bearer using the address, the port information and the radio zone bearer identifier, and transmits the packet received from the one user terminal 40 to the basic bearer To the IP network 110 via the Internet. When the control unit 310 receives a packet to be transmitted from the IP network 110 to one of the user terminals 40, the control unit 310 uses the destination IP address and the port information included in the received packet If the destination IP address matches the IP address of the basic bearer, the IP address and port information of the one user terminal 40 is checked using the destination IP address and the port information, The packet received from the IP network 110 can be transmitted to any one of the user terminals 40 by using the IP address and the port information.

The storage unit 320 may store information on user terminals grouped by the control unit 310 and information on the basic bearer. In addition, the storage unit 320 may store information on the IP address of each user terminal, the GUTI of each user terminal, and the bearer ID of each user terminal allocated by the controller 310. In addition, the storage unit 320 may store a mapping table formed in the controller 310 in the form of Table 1. The mapping table may include an ID of the user terminals, an ID-type, a RAT-Type ), Information on whether or not the service of the packet processing method according to the embodiment of the present disclosure is selected, but the present invention is not limited thereto.

ID ID-Type RAT-Type Service 2400015256407 IMSI Nb-Iot Yes 240001308539614 IMSI Nb-Iot Yes 4646681031 IMEI Nb-Iot Yes

According to one embodiment, the storage unit 320 may include a read only memory (ROM), a random access memory (RAM), a compact disc (CD) -ROM, a magnetic tape, a floppy disc, But is not limited to, an optical data storage device or a carrier wave (for example, transmission over the Internet).

The transmitting and receiving unit 330 can transmit and receive signals for performing the packet processing method. According to one embodiment, the transceiver 330 receives a network connection request from the user terminal 40, transmits a signal for setting a basic bearer, and transmits the signal through the basic bearer to the user terminal 40 and the IP network 110 ) Of the base station.

4 is a flow chart illustrating the procedure of a packet processing method according to an embodiment of the present disclosure; Although process steps, method steps, algorithms, and the like have been described in this flowchart in a sequential order, such processes, methods, and algorithms may be configured to operate in any suitable order. In other words, the steps of the processes, methods and algorithms described in the various embodiments of the present disclosure need not be performed in the order described in this disclosure. Also, although some of the steps are described as being performed asynchronously, some of these steps may be performed concurrently in other embodiments. Also, an illustration of a process by way of illustration in the drawings is not intended to imply that the illustrated process excludes other variations and modifications thereto, and that any of the illustrated processes or steps thereof may be used in various embodiments of the present disclosure Does not imply that it is necessary for more than one, and does not mean that the illustrated process is preferred.

As shown in Fig. 4, in step S410, a plurality of user terminals using the mobile communication system are grouped according to predetermined conditions. For example, referring to FIG. 1 to FIG. 3, the controller 310 of the packet processing device 300 may group a plurality of user terminals included in a mobile communication system using a mobile communication system by using an identification number, But the present invention is not limited thereto.

In step S420, a network connection request (Attach Request) may be received from any one of the grouped user terminals. For example, referring to FIG. 1 to FIG. 3, the controller 310 of the packet processing apparatus 300 may determine which one of the grouped user terminals 40 accesses the corresponding mobile communication system for the first time The terminal 40 may receive a network connection request according to the General Packet Radio Service (GPRS) standard of 3GPP from the terminal 40, but the present invention is not limited thereto.

In step S430, a basic bearer may be established based on the received network connection request. For example, referring to FIG. 1 to FIG. 3, when the network access request is received from any one of the grouped user terminals 40, the control unit 310 of the packet processing apparatus 300 transmits a bearer And if the bearer is not set, it can perform a default bearer setup procedure according to the General Packet Radio Service (GPRS) standard of 3GPP based on the received network connection request. However, It does not.

In step S440, packets transmitted and received between grouped user terminals and an IP network can be transmitted and received using a predetermined basic bearer. For example, referring to FIG. 1 to FIG. 3, the control unit 310 of the packet processing apparatus 300 transmits packets to be transmitted and received between the grouped user terminals and the IP network 110, And can transmit and receive between the user terminal 40 and the IP network 110 using the bearer.

Although the method has been described through particular embodiments, the method may also be implemented as computer readable code on a computer readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . In addition, the computer-readable recording medium may be distributed over network-connected computer systems so that computer readable codes can be stored and executed in a distributed manner. And, functional programs, codes, and code segments for implementing the above embodiments can be easily inferred by programmers in the technical field to which this disclosure belongs.

Although the present disclosure has been described in connection with some embodiments herein, it should be understood that various modifications and changes may be made thereto without departing from the spirit and scope of the present disclosure as will be apparent to those skilled in the art to which this disclosure belongs. something to do. It is also contemplated that such variations and modifications are within the scope of the claims appended hereto.

11 ~ 15, 21 ~ 23, 31 ~ 33: micro base stations 10, 20, 30: macro base station
40: User terminal 50: SON server
60: MME 70: management server
80: S-GW 90: P-GW
100: HSS 110: IP network
300: Packet processing apparatus 310:
320: Storage unit 330: Transmitting /
340: System bus

Claims (14)

A packet processing apparatus of a mobile communication system,
Grouping a plurality of user terminals using the mobile communication system according to predetermined conditions, setting a default bearer by receiving a network access request from one of the grouped user terminals, A controller for controlling packets transmitted and received between the grouped user terminals and an IP network to use the basic bearer; And
And a storage unit for storing information on the grouped user terminals and information on the basic bearer.
Packet processing device. The method according to claim 1,
Wherein,
Grouping using the identification numbers of the plurality of user terminals or grouping according to a radio access method of the plurality of user terminals,
Packet processing device. 3. The method of claim 2,
Wherein the identification number of the plurality of user terminals comprises:
Including International Mobile Subscriber Identity (IMSI) or International Mobile Equipment Identity (IMEI)
Packet processing device. 3. The method of claim 2,
The wireless access method of the plurality of user equipments includes:
W-CDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), or IoT (Internet of Things)
Packet processing device. The method according to claim 1,
Wherein,
A GUID (Global Unique Temporary Identity) and a bearer identifier between a plurality of user terminals and a base station (eNodeB) are allocated to each user terminal and an allocated IP address, GUTI, and wireless And to transmit the interval bearer identifier to the corresponding user terminal,
Packet processing device. 6. The method of claim 5,
Wherein,
When receiving a packet to be transmitted from one of the user terminals to the IP network, transmits the packet to the IP network using the IP address, port information, and the RLID of the one user terminal, And transmits the packet received from any of the user terminals to the IP network through the basic bearer using the IP address and port information of the basic bearer,
Packet processing device. 6. The method of claim 5,
Wherein,
When receiving a packet to be transmitted from the IP network to one of the user terminals, if the destination IP address included in the received packet matches the IP address of the basic bearer, The IP address and port information of any one of the user terminals using the port information and transmits the packet received from the IP network to the one of the user terminals Lt; / RTI &gt;
Packet processing device. A packet processing method in a mobile communication system,
Grouping a plurality of user terminals using the mobile communication system according to predetermined conditions;
Receiving an Attach request from any one of the grouped user terminals;
Setting a default bearer based on the network connection request; And
And transmitting and receiving packets transmitted and received between the grouped user terminals and an IP network using the basic bearer.
Packet processing method. 9. The method of claim 8,
The grouping of the plurality of user terminals according to preset conditions comprises:
Grouping using the identification numbers of the plurality of user terminals or grouping according to a radio access scheme of the plurality of user terminals,
Packet processing method. 10. The method of claim 9,
Wherein the identification number of the plurality of user terminals comprises:
Including International Mobile Subscriber Identity (IMSI) or International Mobile Equipment Identity (IMEI)
Packet processing method. 10. The method of claim 9,
The wireless access method of the plurality of user equipments includes:
W-CDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), or IoT (Internet of Things)
Packet processing method. 9. The method of claim 8,
The grouping of the plurality of user terminals according to preset conditions comprises:
A GUID (Global Unique Temporary Identity) and a bearer identifier between a plurality of user terminals and a base station (eNodeB) are allocated to each user terminal and an allocated IP address, GUTI, and wireless And transmitting the interval bearer identifier to a corresponding user terminal.
Packet processing method. 13. The method of claim 12,
Wherein the transmitting and receiving the packets using the basic bearer comprises:
When receiving a packet to be transmitted from one of the user terminals to the IP network, transmits the packet to the IP network using the IP address, port information, and the RLID of the one user terminal, And transmitting the packet received from the one user terminal to the IP network through the basic bearer using the IP address and port information of the basic bearer.
Packet processing method. 13. The method of claim 12,
Wherein the transmitting and receiving the packets using the basic bearer comprises:
When receiving a packet to be transmitted from the IP network to one of the plurality of user terminals, if the destination IP address and port information included in the received packet match the IP address of the basic bearer, The IP address and the port information of the one user terminal and the IP address and port information of the one user terminal using the IP address and the port information, To a user terminal of the terminal,
Packet processing method.

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