KR100593479B1 - Indoor wireless communication system and method for using internet protocol packet - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to an on-premises wireless communication system using an internet protocol packet and a service method thereof.

2. The technical problem to be solved by the invention

The present invention provides an on-premises wireless communication system for efficiently distributing traffic in a building from a macro cell and simultaneously providing voice and data messages over a unified network using IP (Internet Protocol) packets. And a computer readable recording medium having recorded thereon a service method and a program for realizing the method.

3. Summary of Solution to Invention

The present invention provides an on-premises wireless communication system using an internet protocol packet, which provides a wireless matching function to a wireless communication terminal like a conventional base station, and packetizes a message to communicate data with a call server using an internet protocol (IP). A base station for performing the operation; Analyze the message in the form of an Internet Protocol (IP) packet routed from the base station to control the base station, and communicate with a local registration server using the Internet protocol (IP) to authenticate the wireless communication terminal, the receiving wireless communication terminal The call server for setting a routing address according to a current location of the call server; Registering and releasing the wireless communication terminal in a database to support mobility of the wireless communication terminal and perform number translation; A gateway for connecting the wireless communication terminal located in a premises network with a wireless communication terminal located in a public wireless communication network; And a local area network (LAN) for transmitting voice and data messages between the base station, the call server, and the local registration server using Internet Protocol (IP) packets.

4. Important uses of the invention

The present invention is used in a wireless communication system in the premises.

Internet protocols, wireless on premises, voice and data messages, single network

Description

FIELD WIRELESS COMMUNICATION SYSTEM AND METHOD FOR USING INTERNET PROTOCOL PACKET}             

1 is a block diagram of an embodiment of an on-premises wireless communication system using an Internet protocol packet according to the present invention.

2 is a flowchart illustrating a call setup process when an incoming mobile communication terminal is in the premises of the premises wireless communication service method using the Internet protocol packet according to the present invention.

3 is a flowchart illustrating a call setup process when the terminating mobile communication terminal is not in the premises of the premises wireless communication service method using the Internet protocol packet according to the present invention.

4 is a flowchart illustrating a call release process when an incoming mobile communication terminal is in the premises of the premises wireless communication service method using the Internet protocol packet according to the present invention.

5 is a flowchart illustrating an embodiment of a method for providing on-premises wireless communication using an Internet protocol packet according to the present invention.

* Explanation of symbols for the main parts of the drawings

111: mobile communication terminal 112: base station

113: call server 114: local registration server

115: router 116: gateway

The present invention relates to an on-premises wireless communication system using an internet protocol packet in a wireless communication system, a service method thereof, and a computer-readable recording medium having recorded thereon a program for realizing the method.

Recently, due to the rapid growth of the Internet, many expect that Internet data will occupy most of the traffic in public / private networks. Therefore, most of this data traffic is expected to occur mainly in the building.

In addition, in this case, traffic generated in the building is expected to significantly reduce the call capacity that can be served in the same cell or sector as the building, but it is necessary to maintain effective and economical traffic in the building. To this end, a service in the form of a micro cell that can effectively distribute traffic from an existing macro cell is required.

Currently available micro cell configuration methods include a method of forming a micro or pico cell using a pico BTS (Base Transceiver Station) or an optical repeater, and then delivering traffic generated in the cell to a public network. In this case, in order to perform internet data communication, the Internet is connected through an inter-working function (IWF) connected to a mobile communication exchange (MSC).

However, since a wireless communication network providing a voice service uses a circuit method, a method of providing an Internet data service that is more suitable for a packet method in a wireless communication network using a conventional circuit method is not suitable in terms of network efficiency. Have.

In addition, in the premises communication using the private exchange (PABX) has to occupy the existing public network infrastructure in consideration of the characteristics of the current premises communication that is provided almost free of charge, the service fee could not be provided cheaply. In addition, since voice and data services are operated in separate networks, operations are complicated and expensive.

Therefore, there is a need for an on-site service method that can effectively distribute the expected intra-building traffic from the macro cell to the micro or pico cell form and provide voice and data services very economically.

The present invention has been devised to meet the above-mentioned demands, and efficiently distributes traffic in a building from a macro cell and transmits voice and data messages over a unified network using IP (Internet Protocol) packets. Accordingly, an object of the present invention is to provide an on-premises wireless communication system for providing an on-premises wireless communication service, a service method thereof, and a computer-readable recording medium having recorded thereon a program for realizing the method.

In order to achieve the above object, the system of the present invention provides an Internet protocol (IP) by packetizing a message while simultaneously providing a wireless matching function to a wireless communication terminal in a premises wireless communication system using an Internet protocol packet. A base station for performing data communication with a call server using the base station; Analyze the message in the form of an Internet Protocol (IP) packet routed from the base station to control the base station, and communicate with a local registration server using the Internet protocol (IP) to authenticate the wireless communication terminal, the receiving wireless communication terminal The call server for setting a routing address according to a current location of the call server; Registering and releasing the wireless communication terminal in a database to support mobility of the wireless communication terminal and perform number translation; A gateway for connecting the wireless communication terminal located in a premises network with a wireless communication terminal located in a public wireless communication network; And a local area network (LAN) for transmitting voice and data messages between the base station, the call server, and the local registration server using Internet Protocol (IP) packets. The system of the present invention further includes a router connected to the local area network (LAN) to perform a routing function between the call server and the gateway and the call server and the Internet.

On the other hand, the method of the present invention, in the premises wireless communication service method applied to the premises wireless communication system using the Internet protocol packet, roaming (Roaming) through a base station to request a wireless communication terminal to the Internet protocol (IP) A first step of routing to a call server using the service and registering the call server with a local registration server; According to a call setup request of the wireless communication terminal, the call server requests a subscriber identification and a destination address to the local registration server by using an Internet protocol (IP), receives the result, and confirms whether the destination is the premises step; A third step of making a call by connecting a call when the destination is the premises as a result of the confirmation of the second step; And if the destination is not the premises, the gateway, which has received the call setup authority from the call server, confirms the destination address through the subscriber information register of the public wireless communication network and then routes and connects the call to the destination. A fourth step is to include. The method may further include a fifth step of updating the database by the local registration server when the call server notifies the end of the call using the Internet Protocol (IP).

Meanwhile, the present invention provides a wireless communication terminal for roaming through a base station and requesting registration to an on-premises wireless communication system having a high-capacity processor in order to provide an on-premises wireless communication service using an Internet protocol packet. A first function of routing to a call server using an IP to register with a local registration server; According to a call setup request of the wireless communication terminal, the call server requests a subscriber identification and a destination address to the local registration server by using an Internet protocol (IP), receives the result, and confirms whether the destination is the premises function; A third function of making a call by connecting a call when the destination is the premises as a result of the confirmation in the second function; And if the destination is not the premises, the gateway, which has received the call setup authority from the call server, checks the destination address through the subscriber information register of the public wireless communication network and routes the call to the destination. A computer readable recording medium having recorded thereon a program for realizing a fourth function of making a call is provided.

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The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an embodiment of an on-premises wireless communication system using an Internet protocol packet according to the present invention.

As shown in FIG. 1, the mobile communication terminal 111 is a terminal registered as a valid subscriber who can receive premises service from the local registration server 114 in the building, and there is no difference in function from the existing terminal. The base station 112 performs a basic role of providing a wireless matching function to the mobile communication terminal 111 like the existing base station, and at the same time for data communication with the base station controller (the call server 113 performs this function). A local area network (LAN) match is added to open the physical link and functional blocks that IP packetize the message.

Here, the call server 113 primarily analyzes a message in the form of an IP packet routed from the base station 112 and performs a function of controlling the base station, and communicates with the local registration server 114 to the mobile communication terminal 111. The routing address is set according to the function of processing whether the terminal is a valid terminal capable of receiving a service, and whether the current location of the terminating mobile communication terminal is located in the premises or otherwise in the common code division multiple access (CDMA) network 12. In charge of the function. The router 115 performs a routing function between the call server 113 and the gateway 118, and the call server 113 and the internet 13.

On the other hand, the regional registration server 114 has a function of managing a database of a valid mobile communication terminal 111 that can be provided with on-premises services, a number translation function that can support various number systems such as speed dialing, and the mobile communication terminal 111 It is responsible for the registration and release functions that can support the mobility of. The gateway 116 provides a connection between the premises network 11 and the public CDMA network 12 to be disconnected between the mobile communication terminal 111 located in the premises and the mobile communication terminal 111 located in the public CDMA network 12. It provides a way to perform communication that does not exist.

The local area network (LAN) transmits voice and data messages between the base station 112, the call server 113, the local registration server 114, and the router 115 by using an Internet Protocol (IP) packet. It is a transmission line for.

2 is a flowchart illustrating a call setup process when an incoming mobile communication terminal is in the premises of the premises wireless communication service method using the Internet protocol packet according to the present invention.

Although not shown, referring to the process of registering the mobile communication terminal 111 with the regional registration server 114 by reference, first, the mobile communication terminal 111 is connected to the premises network from the public CDMA network (macro cell) 12. When roaming (micro or pico cell) 11 and attempting to register wirelessly with the base station 112, the base station 112 routes the registration message to the call server 113, the call server 113 is a local The registration attempt is transmitted to the registration server 114 to register the mobile terminal 111.

Thereafter, as shown in FIG. 2, when originating from the mobile communication terminal 111, the originated call setup message is transmitted to the call server 113 via the base station 112.

Subsequently, the call server 113 checks the user information as to whether the user is a valid user in the regional registration server 114. Here, the local registration server 114 has a database in which a list of numbers capable of providing a subscriber's current location and various number translations together with subscriber information is stored.

Upon completion of the user confirmation, the call server 113 instructs the base station 112 to allocate a channel and checks the destination address by inquiring the local registration server 114 whether the destination mobile communication terminal is located in the premises. Subsequently, the call is instructed to set up the call and connect the call to the base station to make a call.

3 is a flowchart illustrating a call setup process when there is no terminating mobile communication terminal in the premises wireless communication service method using the Internet protocol packet according to the present invention.

As shown in FIG. 3, when the mobile communication terminal 111 makes an outgoing call, the outgoing call setup message is transmitted to the call server 113 via the base station 112.

Subsequently, the call server 113 requests the local registration server 114 to confirm the subscriber information as to whether the user is a valid user.

On the other hand, when the user confirmation is finished, the call server 113 instructs the base station 112 to allocate a channel, and inquires whether the terminating mobile communication terminal is located in the premises to the area registration server 114 to request the called address. do.

If the receiving mobile communication terminal is not located in the premises and receives a response from the local registration server 114 that there is no destination address, the call transfer authority is transferred to the gateway 116. The gateway 116 receives the call setup authority from the call server 113 and then receives the destination address through the subscriber information register (HLR) 121 of the public CDMA network 12 to receive the corresponding public communication network (PSTN) or the public. The call is routed to the mobile communication exchange (MSC), and the base station is instructed to set up a call and connect the call to make a call.

4 is a flowchart illustrating a call release process when an incoming mobile communication terminal is in the premises of the premises wireless communication service method using the Internet protocol packet according to the present invention.

As shown in FIG. 4, when the mobile communication terminal 111 requests call termination through the base station 112, the call server 113 instructs the base station 112 to terminate the call and registers the local registration server 114. Update the database by notifying the end of the call.

If the terminal which is not registered in the premises service attempts the call, the same process as in FIG. 3 is performed, but the local registration server 114 calculates the call time and transmits the billing information to the public mobile communication switch through the gateway 116. Additional procedures will be performed. At this time, the communication between the base station 112, the call server 113 and the local registration server 114 is performed through the Internet Protocol (IP) on the local area network (LAN). Internet data communication is the same as the above-described voice communication procedure, except that it is connected to the Internet 13 via the router 115.

5 is a flowchart illustrating an embodiment of an on-premises wireless communication service method using an Internet protocol packet according to the present invention.

As shown in FIG. 5, the call setup request message sent from the mobile communication terminal 111 is transmitted to the call server 113 via the base station 112 (501).

Subsequently, when the local registration server 114 receives the subscriber confirmation request from the call server 113, the call server 113 instructs the base station 112 to allocate a channel (502).

Thereafter, the call server 113 requests the destination address from the regional registration server 114 to determine whether the response is the destination address or the destination address is absent (503).

As a result of the check 503, if the called address means that the called mobile communication terminal is in the premises, a call is connected between the base station 112 and the call server 113 (504), and if the call is connected, the call server 113 is connected. The call is received from the base station 112 in response to the call connection (505).

On the other hand, the check result 503, if the destination address does not mean that the destination mobile communication terminal is not in the premises call server 113 transfers the call setup authority to the gateway 116 (506). The gateway 116 receives the call setup authority from the call server 113 and checks the destination address through the subscriber information register 121 of the public CDMA network 12 to the corresponding public telecommunication network (PSTN) or the corresponding public mobile telecommunication switch. Route the call (507).

Subsequently, when routed, a call path is established between the base station 112 and the gateway 116 to make a call (508).

On the other hand, when the call is finished, the call server 113 instructs the base station 112 to terminate the call, and notifies the local registration server 114 of the call termination to update the database (509).

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

As described above, the present invention uses a single transmission means called Internet Protocol (IP) as a network connecting a base station, a call server, and a local registration server, thereby establishing a signal network and a call path for transmitting subscriber information. Through the advantages of integrating the traffic network to provide and the management network that provides the management functions of the components of the network on one network, the voice and data services can be provided in a single network. Compared to the case of using each individual network, it is possible to reduce network management and network maintenance costs.

In addition, from the subscriber's point of view, in addition to the mobile communication service provided in the existing macro cell through a single mobile communication terminal, the present invention provides a wired service such as speed dialing, which is almost freely provided through a private exchange (PABX) in the premises communication. It is effective to receive service at low price.

Claims (5)

In the campus wireless communication system using the Internet protocol packet, A base station for providing a wireless matching function to a wireless communication terminal as in a conventional base station and at the same time packetizing a message to perform data communication with a call server using an Internet Protocol (IP); Analyze the message in the form of an Internet Protocol (IP) packet routed from the base station to control the base station, and communicate with a local registration server using the Internet protocol (IP) to authenticate the wireless communication terminal, the receiving wireless communication terminal The call server for setting a routing address according to a current location of the call server; Registering and releasing the wireless communication terminal in a database to support mobility of the wireless communication terminal and perform number translation; A gateway for connecting the wireless communication terminal located in a premises network with a wireless communication terminal located in a public wireless communication network; And Local Area Network (LAN) for transmitting voice and data messages between the base station, the call server, and the local registration server using Internet Protocol (IP) packets In-house wireless communication system using an Internet protocol packet comprising a. The method of claim 1, A router connected to the local area network (LAN) to perform a routing function between the call server and the gateway and the call server and the Internet In-house wireless communication system using an Internet protocol packet further comprising. In the premises wireless communication service method applied to the premises wireless communication system using the Internet protocol packet, A first step of roaming through a base station and routing a wireless communication terminal requesting registration to a call server using an internet protocol (IP) to register with a local registration server; According to a call setup request of the wireless communication terminal, the call server requests a subscriber identification and a destination address to the local registration server by using an Internet protocol (IP), receives the result, and confirms whether the destination is the premises step; A third step of making a call by connecting a call when the destination is the premises as a result of the confirmation of the second step; And As a result of the confirmation of the second step, if the destination is not the premises, the gateway, which has received the call setup authority from the call server, checks the destination address through the subscriber information register of the public wireless communication network, and then routes and connects the call to the destination. 4th step In-house wireless communication service method using an Internet protocol packet comprising a. The method of claim 3, wherein A fifth step of updating the database by the local registration server when the call server notifies the end of the call using the Internet protocol (IP); In-house wireless communication service method using an Internet protocol packet further comprising. In order to provide on-premises wireless communication service using Internet protocol packet, In-premises wireless communication system having a large capacity processor, A first function of roaming through a base station to route a wireless communication terminal requesting registration to a call server using an Internet protocol (IP) to register with a local registration server; According to a call setup request of the wireless communication terminal, the call server requests a subscriber identification and a destination address to the local registration server by using an Internet protocol (IP), receives the result, and confirms whether the destination is the premises function; A third function of making a call by connecting a call when the destination is the premises as a result of the confirmation in the second function; And As a result of the confirmation in the second function, if the destination is not in the premises, the gateway, which has received the call setting authority from the call server, checks the destination address through the subscriber information register of the public wireless communication network and then routes and connects the call to the destination. 4th function to let A computer-readable recording medium having recorded thereon a program for realizing this.

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