KR100471498B1 - A Home Gateway System including xDSL and VoIP interfaces - Google Patents

Abstract

The present invention relates to a home gateway device having an xDSL and VoIP interface having a PSTN and a VoIP telephone function. The present invention provides a home gateway device that connects a home network and an access network and has an xDSL interface and a VoIP interface, comprising: a system controller for controlling data processing and flow between the home network and the access network; An access network signal processor having at least one port and providing a connection function with the access network through a first connector and processing a transmission / reception signal with the access network; An access network connection unit for providing an interface with a system control unit according to signal processing of the access network signal processing unit; A HomePNA processing unit providing a home PNA connection with the home network through a second connector and processing a HomePNA signal with the home network; And a VoIP processing unit for providing a POTS / VoIP connection with the indoor network through the second connector and processing a POTS / VoIP signal with the indoor network. Provides a first connector connection and simultaneously transmits Internet and PSTN signals, and provides a single second connector connection to the home network to selectively use the POTS / VoIP function and simultaneously connects to a home telephone network. It is characterized in that the connection of the.

Description

A home gateway system having a WDSL and WIPIP interface {A Home Gateway System including xDSL and VoIP interfaces}

The present invention relates to a home gateway device having an "x" variety of Digital Subscriber Line (xDSL) and a Voice over Internet Protocol (VoIP) interface, and more specifically, an access network and a VoIP function using ADSL, VDSL, or high-speed Ethernet. And a home gateway device having a xDSL and VoIP interface having a high speed broadband service between the two networks by providing a high speed connection function to a home network using various protocols and having a trunk line telephone (PSTN) and a VoIP telephone function. will be.

Recently, due to the rapid development of information and communication technology, efforts are continuously made to provide faster and more accurate information. In addition, as the home network connecting various devices in the home to the communication network is increasing, the development of a home gateway device for receiving a service for various information is actively progressed.

In general, a gateway device is a network point serving as an entrance to another network, and converts data transmitted between the two communication networks into data suitable for each communication network between two communication networks using different data communication protocols. Say the device to do it. In recent years, by developing the home gateway device, a network connection between a home network and an external access network in a home can be provided to provide various services in various integrated networks.

In particular, recently, with the development of the Internet, voice calls such as general telephones can be made through the Internet, and VoIP phones, which can use international calls at low cost only with the Internet fee, are emerging as new services. Home gateway devices with built-in VoIP functions and Internet phone phones with VoIP functions have been developed.

1 is a network diagram according to an embodiment of a home gateway device having a conventional VoIP function. Referring to FIG. 1, in a home gateway apparatus using a conventional VoIP 105 or an Ethernet interface 106, a PSTN interface 101 and an Internet interface are used to connect an external trunk line telephone network (PSTN) with an Internet network. Had to have (102) at the same time. In addition, when using the Home Phoneline Networking Alliance (HomePNA) function, it was necessary to use the Plain Old Telephone Service (POTS) 104 of the home network at the same time. However, such a conventional home gateway device has a problem that VoIP, POTS, and HomePNA cannot be used simultaneously. Furthermore, in order to perform this function, at least three separate connectors have to be provided, which causes installation difficulties.

FIG. 2 is a diagram illustrating a network configuration according to an embodiment of a conventional ADSL modem or home gateway device, and includes a home network having an asymmetric digital subscriber line (ADSL) and a VoIP function. A schematic diagram of a network using the device 203 is shown. As shown in Fig. 2, the external access network provides only an 8 Mbps ADSL connection 201 function, and the home network connection in the home is used separately from the connection 202 of the POTS 204 and the general telephone 205. It provides a connection 206 of functions, and a network interface 207, such as a general Ethernet interface. However, in the conventional home gateway device as described above, a separate telephone is required to use the VoIP function. In addition, the conventional home gateway device does not have a PSTN switching function, and at the same time there is a problem that the HomePNA function cannot be used. In particular, the conventional home gateway device having such an ADSL interface is not suitable for real-time video transmission, video conferencing, and multimedia data requiring more than 10Mbps of bandwidth through the access network. There was a problem in that you can not build a high-speed home network of more than 10Mbps. In addition, the ADSL is designed in one-piece combined with the system control unit has been inconvenient to improve the entire home gateway when improving the performance of the ADSL processing unit or when changing the network.

Meanwhile, Korean Patent Application No. 2002-1809 discloses an Internet phone gateway system in which a PSTN and a VoIP matching circuit are embedded. The system is to provide a number of VoIP connections and general Internet access functions for convenient and inexpensive use of transmission and reception of each phone by automatically switching the CO / IP phone from the Internet phone gateway. Because it has, it provides gateway that can use only VoIP function in home network.

In addition, Korean Patent Application No. 2002-74281 discloses an asymmetric subscriber line gateway device having a voice over internet protocol (VoIP) function. The gateway device has a VoIP function that enables the use of the phone in the VoIP mode during normal operation and the use of the phone in the normal phone mode in the abnormal state when there is no operating power. However, the device only provides ADSL for the access network and a single VoIP connection function for the home network.

In such a conventional gateway device, VoIP, POTS, and HomePNA could not be used at the same time, and in particular, it was difficult to service data requiring a bandwidth of 10Mbps or more.

The present invention is to solve the above problems, the access network connection provides an 8Mbps ADSL access function to provide a long-distance transmission of up to 5.4Km and high-speed broadband service data transmission using the existing outdoor telephone line As a home network connection, it provides a single VoIP / POTS and 10Mbps HomePNA access function to provide a home gateway device with xDSL and VoIP interfaces to build a home VoIP / POTS network and a high speed home network using existing home telephone lines. Its purpose is to.

In addition, the user can use the VoIP function while using the existing POTS network in the house, and can use the regular phone function through the PSTN network using the home telephone in the home even when the power to the home gateway is not available. Another object is to provide a home gateway device with xDSL and VoIP interfaces that enable HomePNA functionality through a single connector.

In addition, PCI is used to simultaneously connect 10 / 100Mbps high speed Ethernet switching function to the indoor network connection and to connect various interface modules capable of PCI interface such as IEEE1394, WLAN, etc. It is another object to provide a home gateway device that provides an interface.

Another goal is to replace the ADSL interface with a modular 52 Mbps VDSL (Very High Speed Digital Subscriber Line) connection instead of the ADSL interface. It is to provide a home gateway device that can be used as it is.

In addition, when using an Ethernet network as an access network, it provides 10 / 100Mbps high-speed Ethernet access function, provides routing and bridge functions between the access network and the home network, and the ADSL processing unit and the VDSL processing unit are designed in a modular manner to easily perform performance. Another purpose is to provide a home gateway that can improve the performance.

In addition, in the home network, various home networking interfaces provide functions to improve the overall performance of the home gateway by fixing the system control unit of the home gateway through the PCI interface and replacing only the processing unit having the PCI interface such as the IEEE1394 and the wireless LAN. It is another object to provide a home gateway device having a.

Another purpose is to provide a high-speed broadband service of tens to hundreds of Mbps between various information terminals connected to the home network, and a home gateway that enables a high speed broadband service of 10Mbps or more when the home network wants to access the access network. To provide a device.

In order to achieve the above object, the present invention provides a home gateway device that connects a home network and an access network and has an xDSL and VoIP interface, comprising: a system controller for controlling data processing and flow between the home network and the access network; An access network signal processor having at least one port and providing a connection function with the access network through a first connector and processing a transmission / reception signal with the access network; An access network connection unit for providing an interface with a system control unit according to signal processing of the access network signal processing unit; A HomePNA processing unit providing a home PNA connection with the home network through a second connector and processing a HomePNA signal with the home network; And a VIP processing unit providing POTS / VoIP connection with the premises network through the second connector and processing a POTS / VoIP signal with the premises network. A single first connector connection to the access network to simultaneously transmit the Internet and a PSTN signal, and a single second connector connection to the home network to selectively provide POTS / VoIP functionality. At the same time, it is possible to connect the home Wi-Fi device connected to the home telephone network.

The present invention connects to an access network using ADSL / VDSL or high-speed Ethernet, and connects to a home network using a VoIP function and various protocols to enable high-speed broadband service between the access network and the home network, and at the same time, a local line telephone ( PSTN) and a home gateway device that provides VoIP telephony functionality. In particular, in the present invention, since the HomePNA signal and the VoIP signal use the same physical connector, there is no need to use a separate HomePNA connector so that only one connector can use the VoIP / POTS and HomePNA functions simultaneously. If you don't use VoIP / POTS function, you can connect your home POTS network to use HomePNA function only.If you want to use only VoIP function by connecting a separate ordinary phone to the connector without connecting to VoIP / POTS network, If you connect POTS network, you can use HomePNA function.

Accordingly, according to the present invention, a home gateway device capable of configuring an access network and a home network can be operated even with a single first connector for Internet / PSTN access and a single second connector for POTS / VoIP / HomePNA functions. Can be.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail the present invention. The following description and the annexed drawings are provided to aid the overall understanding of the present invention, and detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

3 is a network diagram of a home gateway device according to an embodiment of the present invention. As shown in FIG. 3, a single first connector 301 which provides a connection function with the Internet / PSTN network is connected to the access network, and an existing POTS network 302 is connected to the home network 300. The VoIP function 302 can be used as it is without changing, and even when the home gateway device is not powered in the event of a power failure, the general telephone function can be used through the PSTN network using a regular telephone of the home network 300. And to use the HomePNA function 303 through a single second connector 304 that simultaneously connects with the POTS / VoIP function 302 of the voice call. As described above, the access network access is performed through a single first connector connection as needed using xDSL, that is, ADSL / VDSL or high-speed Ethernet, and access to a home network using a VoIP function or various protocols. It handles POTS / VoIP / HomePNA functions through a single second connector connection. As such, the home gateway device according to the present invention has an xDSL interface and a VoIP interface by using each connector, thereby interworking an access network and a home network to enable ultra-high speed broadband service between the two networks.

4 is a network diagram of a home gateway device according to an embodiment of the present invention. As shown in FIG. 4, the home gateway device 401 is an access network using 8 Mbps ADSL or 52 Mbps VDSL 404 and / or 10/100 Mbps Fast Ethernet access 405 as an access network connection. 10 / 100Mbps Fast Ethernet Switching Connection (406), 10Mbps HomePNA Connection (403), VoIP Connection (402) that performs VoIP / POTS functions, and Peripheral Component Interconnect (PCI). Access) Through the interface 409, various connection functions such as the IEEE 1394 device 407 and the wireless LAN device 408 are used to connect to a home network such as the IEEE 1394 network 410 and the wireless LAN network 411, respectively. Here, 10/10 Mbps represents a bandwidth of 10 Mbps or 100 Mbps. This can be selectively used according to the data of the network to be communicated.

In home network connection, RJ11 / RJ41 connector 412 connects home telephone lines to connect VoIP / POTS network 402 and HomePNA network 403, and RJ45 connector 413 is 4-port high speed Ethernet. It performs a function of connecting the fast Ethernet network 406 in the home by using a switching function. Hereinafter, the home gateway device according to the present invention will be described in more detail with reference to FIG. 5.

FIG. 5 is a detailed configuration diagram of a home gateway device according to an embodiment of the present invention, and shows a detailed configuration diagram of the home gateway shown in FIG.

Referring to FIG. 5, the home gateway device 401 includes an access network signal processing unit 500, an access network connection unit 502, and a high speed Ethernet switching processing unit 508, including a system control unit 501 that controls the overall operation of the device. ), A HomePNA processing unit 507, a PCI connection unit 506, and a VoIP processing unit 505. The access network signal processing unit 500 has one or more ports and provides a high speed Ethernet access function with the ADSL / VDSL processing unit 503 and / or the access network providing ADSL / VDSL connection function with the access network. Ethernet processing unit 504 is included. As shown in FIG. 5, the home gateway device 401 according to an embodiment of the present invention selects an ADSL / VDSL processing unit 503 when the access network connection unit 502 uses an existing outdoor telephone line. When connected to an Ethernet network, a 10 / 100Mbps high-speed Ethernet processing unit 504 is used, and the home network connection unit is a 10 / 100Mbps high-speed Ethernet switching processing unit 508 and a 10Mbps HomePNA processing unit 507 PCI connection unit 506 capable of connecting various modules having a PCI interface, such as 400 Mbps IEEE1394 and 11 Mbps WLAN. In addition, the home gateway device interworks with the access network and the home network and controls various information terminals connected in the network.

The ADSL / VDSL processing unit 503 is preferably designed in a modular type, and ADSL supports a transmission rate of 8 Mbps downlink, and when a higher speed access network connection is required, a 52 Mbps downlink VDSL module is attached. Can be used. In addition, when the access network requires an Ethernet connection, the access network connection method may be selected according to a user's needs by connecting through the 10 / 100Mbps high speed Ethernet processing unit 504.

In the indoor network connection, the 10Mbps / 100Mbps high-speed Ethernet switching processing unit 508, the 10Mbps HomePNA processing unit 507, and the PCI connection unit 506 connected through the PCI interface can be operated simultaneously. In addition, the VoIP processing unit 505 uses VoIP and POTS functions by using the existing home telephone line to access the home network, and when necessary, transfers to the PSTN network so that a general telephone function can be used, and the HomePNA processing unit ( Physically coupled to 507, the VoIP / POTS and HomePNA functions are available through a single connector. In addition, since there is no separate switch for PSTN switching, a method using a "#" or "*" button of a generally used telephone can be used to realize simple and efficient VoIP operation. Furthermore, even when the power of the home gateway device does not turn on during a power outage, the switch is automatically switched to the PSTN network so that the existing general telephone can be used as it is in the home.

In addition, the home gateway device provides a routing and bridge function between an access network and a home network. In the home network, a system interface 501 of the home gateway is fixed through a PCI interface, and a PCI interface such as a modular IEEE1394 or a wireless LAN is provided. It provides a function to improve the overall performance by replacing only the processing unit having a. In addition, between the various information terminals connected to the indoor network to provide a high-speed broadband service of tens to hundreds of Mbps, and to access the access network from the indoor network to enable a high-speed broadband service of 10Mbps or more.

Hereinafter, the operation of the home gateway device according to the present invention will be described in more detail with reference to FIG. 5. In the home gateway device according to the present invention, when the ADSL / VDSL processing unit 503 is configured by using an ADSL module, an ADSL reception signal is received from an access network and an analog-to-digital conversion (ADC) function is used. (DMT; Discrete MultiTone) demodulation function, ATM (Asynchronous Transmission Mode) TC (TC) function to perform the function to transfer to the access network connection unit 502, and the data and data from the access network connection unit 502 A control signal is received to perform an ATM TC function, a DMT modulation function, and a digital-to-analog conversion (DAC) function to deliver an ADSL transmission signal to an access network.

Next, when the ADSL / VDSL processing unit 503 is configured using the VDSL module in the home gateway device, the access network connection unit 502 is configured to receive a VDSL reception signal from an access network to perform an ADC function and a VDSL demodulation function. ), And receives a data and control signal from the access network access unit 502 to perform a VDSL modulation function and a DAC function to transmit a VDSL transmission signal to the access network.

At this time, in the interface portion 511 between the access network and the ADSL / VDSL processing unit 503, the ADSL / VDSL signal and the signal transmitted from the VoIP processing unit 505 exist simultaneously. However, the signal transmitted / received to the ADSL / VDSL processing unit 503 passes only a signal over the PSTN bandwidth through the HPF (High Pass Filter), and the signal transmitted to the VoIP processing unit 505 passes the PSTN bandwidth signal through the splitter 509. By passing only it has a structure separated in frequency.

The high speed Ethernet processing unit 504 is connected to the access network connection unit 502 through a MII (Media Independent Interface) interface and automatically adjusts the operation speed according to the speed of the Ethernet network for a 10/100 Mbps class. .

The access network connection unit 502 converts a part of the CPU (central processing unit) address of the system control unit 501 into an access module address and converts a part of the CPU data from the system control unit 501 into the ADSL / VDSL processing unit 503. ) And converts the data from the ADSL / VDSL processing unit 503 into expanded CPU data and transfers the data to the system control unit 501 or transfers data from the system control unit 501 to the ADSL / VDSL processing unit 503. To pass.

The system controller 501 controls the ADSL / VDSL processing unit 503 or the high speed Ethernet processing unit 504 by a program through the access network connection unit 502 and transmits data and control signals to the access network connection unit 502. It performs a function of transmitting a, and receives the broadband service data from the ADSL / VDSL processing unit 503 and the high-speed Ethernet processing unit 504 entered through the access network universal port signal to the synchronous (in the system control unit 501) synchronous) stored in DRAM, and converted the stored data into voice data for VoIP to be transferred to VoIP processing unit, or converted to high speed Ethernet data for home network to 10/100 Mbps high speed Ethernet switching processing unit 508, or HomePNA data To the 10Mbps HomePNA processing unit 507 or to the PCI connection unit 506 for the PCI interface. The.

In addition, the system controller 501 controls the 10 / 100Mbps high-speed Ethernet switching processing unit 508 by using an Ethernet control signal, and controls the 10Mbps HomePNA processing unit 507 by using a HomePNA control signal. 505, transmits and receives data and control signals to the PCI connection 506. In addition, the system controller 501 receives the broadband service data of the 10 / 100Mbps high-speed Ethernet switching processor 508 and the 10Mbps HomePNA processing unit 507 and stores them in a synchronous DRAM in the system controller 501. When the stored data is data to be transmitted to the access network, converts it into ADSL / VDSL data or high-speed Ethernet data for the access network, and delivers the data to the access network access unit 502. Converts and transmits the data of the corresponding home network module.

In addition, when the system controller 501 receives the converted voice data of the VoIP processing unit 505 and stores it in a synchronous DRAM in the system controller 501 and the stored data is data to be transmitted to the access network. Converts the ADSL / VDSL data or the high-speed Ethernet data for the access network to the access network connection unit 502. If the data received from the access network connection unit is the voice data for VoIP, the received data is transferred to the VoIP processing unit 505. It serves to convey.

A 10/100 Mbps high speed Ethernet switching processing unit 508 performs a function of transferring data transmitted from the system control unit 501 through a media independent interface (MII) interface to a home network, and receives an Ethernet signal from the home network. For example, when it is transmitted to the system control unit 501 through the MII interface or to the home network again, Ethernet data is directly transmitted to the home network through another port without being controlled by the system control unit 501.

The 10Mbps HomePNA processing unit 507 receives the HomePNA received signal from the home network to perform ADC function, Quadrature Amplitude Modulation (QAM) / Frequency Diverse QAM (FDQAM) demodulation function, and the broadband service data signal through the MII interface. In operation 501, the HomePNA transmission signal is transmitted to the home network by performing the QAM / FDQAM modulation function and the DAC conversion function on the data transmitted from the system controller 501. In addition, since the signal from the HomePNA processor is bandpassed through the HPF (High Pass Filter) with a signal larger than the PSTN bandwidth, it can be electrically coupled with the signal from the VoIP processor (510). Can be connected to POTS / HomePNA network.

6 is a block diagram of the system control unit 501 of FIG. 5 according to an embodiment of the present invention. As illustrated in FIG. 6, the home gateway processor (CPU) 601 of the system controller 501 performs an ADSL / VDSL processor 503 and a high-speed Ethernet processor by performing a program execution function, an operation function, and a memory control function. 504, the access network connection unit 502, the 10 / 100Mbps high-speed Ethernet switching processing unit 508, the 10Mbps HomePNA processing unit 507, performs the function of controlling the VoIP processing unit 505, PCI connection unit 506, 10 / 100Mbps high speed Ethernet processing unit 504, 10Mbps homePNA processing unit 507, VoIP processing unit 505, and broadband service data of the access network received from the ADSL / VDSL processing unit 503 or the high speed Ethernet processing unit 504 Routing or bridge function to deliver to the access network through the ADSL / VDSL processing unit 503 or the high-speed Ethernet processing unit 504 to deliver to the PCI connection unit 506 or broadband network data.

Also, a program is received from the flash ROM 602 using a flash ROM control signal, CPU data, and a CPU address, the program is stored in the flash ROM 602, and a profile of information terminals connected to the home network. It receives the information and stores the profile information of the information terminals in the flash ROM 602. Then, the broadband service data of the access network or the home network is received and stored in the synchronous DRAM 603 using the synchronous DRAM (SDRAM) control signal, CPU data, and CPU address, or the control signal and data stored from the synchronous DRAM 603. It reads the address and converts it back to the data suitable for access network or home network.

The clock generator 604 generates various clocks for the system clock and peripheral logic and transmits them to the home gateway processor 601 and the peripheral logic. The system reset unit 605 generates a power start reset signal and a hardware reset signal. It passes to the home gateway processor (CPU) 601.

7 is a block diagram of the access network connection unit 502 of FIG. 5 according to an embodiment of the present invention. As illustrated in FIG. 7, the address latch unit 701 converts a part of the CPU address of the system controller 501 into an access module address when the address latch signal is enabled. The data buffer unit 702 transfers a part of the CPU data from the system control unit 501 to the ADSL / VDSL processing unit 503 when the CPU data valid signal is validated, and transmits the data from the ADSL / VDSL processing unit 503. It converts the expanded CPU data to the system controller 501. The control signal buffer unit 703 transfers the CPU control signal from the system control unit 501 to the ADSL / VDSL processing unit 503 when the CPU data valid signal is enabled, and the status signal buffer unit 704 sends the CPU data valid signal. When is activated, the state signal coming from the ADSL / VDSL processing unit 503 is transmitted to the system control unit 501. The UTOPIA / MII signal separation unit 705 separates the UTOPIA signal and the MII signal from the access network universal port signal and sends them to the ADSL / VDSL processing unit 503 and the high speed Ethernet processing unit 504, respectively. In order to separate such a signal, the system control unit 501 sends a state signal to the access network connection unit 502, and stores the state signal in the access network connection unit 502 based on the state information. The MII signal can be distinguished.

8 is a block diagram of the VoIP processing unit 505 and the HomePNA processing unit 507 of FIG. 5 according to an embodiment of the present invention. Referring to FIG. 8, the VoIP processing unit 505 may include a switching unit 804 having a switching function for transferring a signal from a home POTS / VoIP network to a PSTN network or an internal SLIC block 803, and the switching unit ( 804 controls and converts the 2-wire signal into a 4-wire signal, and has a SLIC block 803 having hook-on / off detection and a 4-wire signal from the SLIC block 803 for 64 Kbps standard. Codec block 802 for converting to PCM (Pulse Code Modulation) signal, and PCM signal from the codec block 802 is converted into digital stream through compression such as G.723.1, G.726, etc. DSP block 801 for VoIP. The compressed signal is transmitted to the system controller 501, processed through a standard H.323 engine for supporting VoIP-based calls, and delivered to the access network.

In addition, the 10Mbps HomePNA modulation and demodulation processing unit 805 receives a HomePNA control signal such as MII transmission valid signal and MII transmission data in 4-bit unit synchronized with the MII transmission clock from the system control unit 501, and receives the MII reception valid signal and MII reception. The HomePNA control signal such as 4-bit MII received data synchronized with the clock is transmitted to the system controller 501.

In the case of receiving a carrier, the MII carrier reception signal is transmitted to the system controller 501. When a transmission error occurs, the MII transmission error signal is received from the system controller 501. In addition, when the operation mode of the 10 Mbps HomePNA modulation and demodulation processing unit 805 is set, the system control unit 501 receives MII management data synchronized with the MII management data clock, and from the system control unit 501. Performs QAM / FDQAM modulation function on the received MII transmission data.

In addition, it performs a function of delivering a DAC signal to the 10Mbps HomePNA AFE processing unit 806, and receives the ADC signal from the HomePNA AFE processing unit 806 to perform a QAM / FDQAM demodulation function to transmit the MII received data to the system control unit 501 To pass.

In addition, the HomePNA AFE processing unit 806 receives a DAC signal from the HomePNA modulation and demodulation processing unit 805 and converts the signal into an analog signal, thereby converting the HomePNA transmission signal through the HomePNA filtering unit 807 through two home telephone lines. It transmits to the indoor network, receives the HomePNA received signal which is an analog signal from the indoor network through the two-wired home telephone line, converts it into a digital signal, and transmits the ADC signal to the 10Mbps HomePNA modulation / demodulation processing unit 805. The HomePNA filtering unit 807 blocks only a band other than HomePNA such as a PSTN through an HPF (High Pass Filter) to deliver only the HomePNA signal to the HomePNA AFE processing unit 806.

The detailed description and drawings of the present invention disclose a preferred embodiment to help understand the present invention, and do not limit the scope of the present invention, and the scope of the present invention is determined by the above detailed description. Rather, it should be determined in the appended claims.

As described above, the home gateway device according to the present invention can selectively use VoIP or POTS by providing a single VoIP / POTS access function using an existing home telephone line as a home network connection, and at the same time, the existing home telephone By providing a 10Mbps HomePNA connection function using a line, you can build a high-speed indoor network. Also, you can build a high-speed Ethernet network in your home using 10 / 100Mbps high-speed Ethernet switching connection that can be used simultaneously. Provides interface to connect various interface modules that can be PCI interface such as IEEE1394, wireless LAN, etc., and provides 8Mbps ADSL connection function using existing outdoor telephone line as access network connection. Provides broadband service data transmission capabilities of the If you need a data transmission may be replaced by an ADSL module to 52Mbps VDSL class module to the VDSL connection.

In addition, it is economical to use the existing home Ethernet line and the home telephone line, and the existing outdoor telephone line and the outdoor Ethernet line as described above, and when using the Ethernet network as an access network, a 10 / 100Mbps high-speed Ethernet connection function is provided. It provides the bridge function between access network and home network, and ADSL processing unit and VDSL processing unit are designed in a modular type to easily improve performance.

Furthermore, in the home network, the system controller of the home gateway can be fixed through the PCI interface, and the overall performance of the home gateway can be improved by replacing only the processing unit having the PCI interface such as the modular IEEE1394, wireless LAN, and the like. It is possible to provide a high-speed broadband service of tens to hundreds of Mbps between information terminals, and to provide an access broadband of more than 10 Mbps when accessing the access network in the home network.

In addition, since the HomePNA signal and the VoIP signal use the same physical connector, there is no need to use a separate HomePNA connector, and only one connector can use the HomePNA function simultaneously with the VoIP / POTS.

On the other hand, if you do not use VoIP or POTS, you can connect your home POTS network to use HomePNA function only.If you want to use only VoIP function through the connector of a separate general telephone without connecting to VoIP / POTS network, You can use HomePNA function by connecting home POTS network to the connector.

In the case of the ADSL / VDSL signal, the splitter passes only the PSTN signal to the switch block so that the splitter is separated from the HomePNA signal in frequency. Through this structure, even a single Internet / PSTN connector and a single POTS / VoIP / HomePNA connector can operate a home gateway device that can configure an access network and a home network.

The above detailed description and contents disclosed in the drawings are not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and changes can be made without departing from the spirit of the present invention. will be.

1 is a network configuration diagram of a conventional home gateway device.

2 is a network diagram of a conventional ADSL modem and a home gateway device.

3 is a network diagram of a home gateway device according to an embodiment of the present invention.

4 is an interface diagram of a home gateway device according to an embodiment of the present invention.

5 is a detailed configuration diagram of a home gateway device according to an embodiment of the present invention.

6 is a configuration diagram of the system control unit of FIG. 5 according to an embodiment of the present invention.

7 is a block diagram illustrating an access network connection unit of FIG. 5 according to an embodiment of the present invention.

8 is a block diagram illustrating a VoIP and HomePNA processing unit of FIG. 5 according to an embodiment of the present invention.

 Explanation of symbols on the main parts of the drawings

301: first connector 302: POTS / VoIP network

303: HomePNA device 304: second connector

500: access network signal processing unit 501: system control unit

502: access network connection 503: ADSL / VDSL processing unit

504: high speed Ethernet processing unit 505: VoIP processing unit

506: PCI connection unit 507: HomePNA processing unit

508: high speed Ethernet switching processing unit 509: splitter

Claims (14)

A home gateway device that connects a home network and an access network and has an xDSL and VoIP interface, A system control unit controlling data processing and flow between the home network and the access network; An access network signal processor having at least one port and providing a connection function with the access network through a first connector and processing a transmission / reception signal with the access network; An access network connection unit for providing an interface with a system control unit according to signal processing of the access network signal processing unit; A HomePNA processing unit providing a home PNA connection with the home network through a second connector and processing a HomePNA signal with the home network; And A VoIP processing unit for providing a POTS / VoIP connection with the indoor network through the second connector and processing a POTS / VoIP signal with the indoor network; Including; The access network provides a single first connector connection to simultaneously transmit the Internet and PSTN signals, and the home network provides a single second connector connection to selectively use POTS / VoIP functions and simultaneously A home gateway device having an xDSL and VoIP interface, wherein a home Wi-Fi device connected to a telephone network is enabled. The method of claim 1, And a high speed Ethernet switching processor configured to provide a high speed Ethernet connection with the indoor network and to process an Ethernet signal with the indoor network. The method of claim 2, wherein the high speed Ethernet switching processing unit, A home gateway device having xDSL and VoIP interfaces, which supports 10 / 100Mbps transmission speed. The method according to claim 1 or 2, It has a xDSL and VoIP interface, further comprising a PCI connection for providing a plurality of universal peripheral access (PCI) including a 400Mbps IEEE1394, 11Mbps wireless LAN connection and processing PCI signals with the home network Home gateway device. The method of claim 1, wherein the access network signal processing unit, An xDSL and VoIP interface, comprising: an SD / VDLS processing unit for providing an DL / VLS connection with the access network and processing a DL / VLS transmission / reception signal with the access network. Home gateway device having a. The method of claim 5, wherein the DS / V DS processing unit, A home gateway device having an xDSL and VoIP interface, wherein the DS processor supports 8 Mbps data rate and the V DS processor supports 52 Mbps data rate. The method of claim 5, wherein the access network signal processing unit, And a high speed ethernet processing unit for providing a high speed ethernet connection function to the access network and processing a high speed ethernet transmission / reception signal. The method of claim 7, wherein the high speed Ethernet processing unit, A home gateway device having xDSL and VoIP interfaces, which supports 10 / 100Mbps transmission speed. The method of claim 1, wherein the HomePNA processing unit, A home gateway device having an xDSL and VoIP interface characterized by providing a home peer access at a 10 Mbps transmission rate. The method of claim 1, wherein the VIP processing unit, It provides a POTS / VoIP connection function through the single second connector to the home network, and switches to a PSTN network for general telephone use according to a set request. A home gateway device having an xDSL and VoIP interface. The method of claim 10, wherein the VIO IP processing unit, Physically coupled to the home PN processing unit, the home gateway device having a xDSL and VoIP interface, characterized in that through the single second connector to process signals for the PTT / VIP function and the home PNA function. delete The method of claim 1, When the home telephone network is connected to the second connector through the home network to use the VIP function, the home PNA device connected to the home telephone network by connecting the home telephone network to the third connector for home Wi-Fi connection Home gateway device having an xDSL and VoIP interface. The method of claim 1, wherein the system control unit, Routing and bridge that controls the access network signal processing unit, access network processing unit, high-speed Ethernet switching processing unit, home WiFi processing unit, VIP processing unit and PCI (PCI) connection unit and transfers data transmitted between the access network and the home network A central processing unit performing a function; A first storage unit storing information of information terminals of a home network according to a control signal of the central processing unit; A second storage unit storing data transferred between the indoor network and the access network according to the control signal of the central processing unit; A clock generator which generates a plurality of system clocks and outputs them to the central processing unit; And a system reset unit for generating a power start reset signal and a hardware reset signal and outputting the hardware reset signal to the central processing unit.