KR20130135463A - Apparatus for converting and relaying data - Google Patents

Apparatus for converting and relaying data Download PDF

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Publication number
KR20130135463A
KR20130135463A KR1020120059034A KR20120059034A KR20130135463A KR 20130135463 A KR20130135463 A KR 20130135463A KR 1020120059034 A KR1020120059034 A KR 1020120059034A KR 20120059034 A KR20120059034 A KR 20120059034A KR 20130135463 A KR20130135463 A KR 20130135463A
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KR
South Korea
Prior art keywords
unit
bcdma
communication network
data
ethernet
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KR1020120059034A
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Korean (ko)
Inventor
석승준
박영석
이정호
Original Assignee
경남대학교 산학협력단
(주)바벨시스템
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Priority to KR1020120059034A priority Critical patent/KR20130135463A/en
Publication of KR20130135463A publication Critical patent/KR20130135463A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The present invention relays different channels between a binary code division multiple access (BCDMA) wireless communication network, converts a protocol to allow data transmission and reception by connecting to an external communication network together with data conversion between each BCDMA communication network and an Ethernet communication network, Data conversion and relay device that can control devices connected to each communication network.Integrated binary code division multiple access (BCDMA) in which intelligent home automation, remote meter and various electronic devices in a building form a single channel wireless communication network A first BCDMA unit of a binary code division multiple access method for establishing a wireless communication network of a channel different from a channel of the first BCDMA unit, and an intelligent home automation, a remote meter, and various electronic devices in another building The first BCDMA unit and the second BCDMA unit operating under different channels, respectively. A data relay unit installed in the receiver to receive a signal, and change a different channel between the first BCDMA unit and the second BCDMA unit to transmit the received signal to the first BCDMA unit and the second BCDMA unit; Is done.

Description

Data conversion and relay device {APPARATUS FOR CONVERTING AND RELAYING DATA}

The present invention relays different channels between a binary code division multiple access (BCDMA) wireless communication network, converts a protocol to allow data transmission and reception by connecting to an external communication network together with data conversion between each BCDMA communication network and an Ethernet communication network, The present invention relates to a data conversion and relay device capable of controlling a device connected to each communication network.

In general, a binary code division multiple access (BCDMA) device is a standard of wireless personal area networks developed in Korea. BCDMA is resistant to noise, enables high-speed transmission of up to 55Mbps, and has low power consumption, so it can be applied to portable terminal devices or home appliances.

In general, when building a BCDMA communication network, intelligent home automation, remote meter reading device, and various electronic devices in a specific building are constructed as a single channel wireless communication network. In the BCDMA communication network, a wireless communication network is established through different channels.

At this time, there is no current limiting device between one BCDMA network and another BCDMA network for limiting the distance or connecting the BCDMA communication network between different channels.

Meanwhile, Ethernet is a computer network technology used in local area networks (LANs) and is currently 10 Mbps (10 Base-T), 100 Mbps (Fast Ethernet), 1000 Mbps (Gigabit Ethernet), and 10000 Mbps (10-Gigabit Ethernet) 4 There is a kind of speed standard. Ethernet is widely used because of its low cost, flexibility and compatibility.

BCDMA and Ethernet are compatible with each other by using the same hardware address (MAC address) in 48-bit format, but there is a problem in that communication cannot be performed directly because of different network types and protocols.

An object of the present invention, which is devised to solve the above problems, relays different channels between a binary code division multiple access (BCDMA) wireless communication network, an external communication network with data conversion between each BCDMA network and an Ethernet communication network. The present invention provides a data conversion and relay apparatus capable of converting a protocol to transmit and receive data by connecting to a network and controlling a device connected to each communication network.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments with reference to the accompanying drawings.

In order to achieve the above object, the data conversion and relay device according to the present invention is a binary code division multiple access (BCDMA) system in which an intelligent home automation, a remote meter, and various electronic devices in a building form a single channel wireless communication network. A second BCDMA unit of a binary code division multiple access scheme in which a first BCDMA unit of the unit, intelligent home automation, a remote meter, and various electronic devices in another building form a wireless communication network of a channel different from that of the first BCDMA unit; The signals are installed between the first BCDMA unit and the second BCDMA unit respectively operating under different channels to receive signals, and change the different channels between the first BCDMA unit and the second BCDMA unit to receive the received signals. And a data relay unit for transmitting to the first BCDMA unit and the second BCDMA unit.

The apparatus may further include an Ethernet unit for establishing an Ethernet communication network, wherein the data relay unit may transmit and receive data between the signals of the first BCDMA unit or the second BCDMA unit having different protocols and the signals of the Ethernet unit. By converting to control each device connected to each communication network.

In addition, the data relay unit includes a battery with an RTC (RTC) for providing time information, a flash memory for temporarily storing boot and application programs, an Ipyrom for storing nonvolatile data, and various kinds of data read through the input. A main memory for temporarily storing data or programs, an I / O interface connected to the first BCDMA unit, a second BCDMA unit, or an Ethernet unit, respectively, and real-time information from the battery-mounted RTC, and receiving the flash memory. And executes a program stored in the controller to store setting data in the YPIROM. When a connection request is made from the first BCDMA unit, the second BCDMA unit, or the Ethernet unit through the I / O interface, the first BCDMA unit and the second BCDMA unit are stored. Converts to the other channel between the units, and between the first BCDMA unit or the second BCDMA unit and the Ethernet unit It is characterized in that it comprises a microprocessor for controlling to convert to the other protocol to perform communication between different network devices.

The apparatus may further include an external device connected to the data relay unit through an external communication network, wherein the data relay unit may transmit and receive data from the first BCDMA unit having a different channel and a signal from the second BCDMA unit to and from an external communication network. Enabling a channel change, converting a protocol of a signal of the first BCDMA unit or a second BCDMA unit having a different protocol and a signal of the Ethernet unit to transmit / receive data with an external communication network, and converting the I / O interface and the external communication network. The external connection interface further comprises an optical interface for supporting optical communication, a serial transceiver connected to the serial communication interface, and an asynchronous serial communication interface for asynchronous serial communication.

The data relay unit may transmit data from the first BCDMA unit, the second BCDMA unit, and the Ethernet unit to the external device through the external communication network, and receive data from the external device through the external communication network. To control the intelligent home automation, remote meter and various electronic devices in a specific building.

In the data conversion and relay apparatus according to the present invention, it is possible to manage long-distance BCDMA wireless communication and a group of BCDMA communication networks by relaying different channels between the BCDMA wireless communication networks through the data relay unit. Data conversion between BCDMA communication network and Ethernet communication network can be connected to an external communication network to convert the protocol to enable data transmission and reception, and control devices connected to each communication network.

1 is a block diagram showing the configuration of an embodiment of a data conversion and relay device according to the present invention;
2 is a block diagram showing a detailed configuration of a data relay unit in the embodiment of FIG. 1;
3 is a schematic diagram illustrating a channel and protocol stack of a data conversion and relay device according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the data conversion and relay device according to the present invention.

The data conversion and relay device 1 according to the present invention includes a first BCDMA unit 100, a second BCDMA unit 200 and a data relay unit 300, as shown in FIG. 400 and an external device 500 may be further included. In addition, the data relay unit 300, as shown in FIG. 2, the battery-mounted ALTC 310, flash memory 320, YPIROM 330, main memory 340, I / O interface 350 It may include a microprocessor 360 and an external connection interface 370.

A network constructed in one building may include a plurality of sub-networks, and according to the present invention, a first BCDMA unit 100 capable of transmitting and receiving to and from a first BCDMA communication network 110, which is a sub-network having a single channel of a BCDMA scheme, is different from the first BCDMA unit 100. A second BCDMA unit 200 capable of transmitting and receiving a second BCDMA communication network 210, which is a sub-network having another channel of a BCDMA scheme built in a building. In addition, although not shown in the drawings, a third or fourth BCDMA unit (not shown) capable of transmitting and receiving with a third or fourth BCDMA communication network (not shown) may be constructed in another building.

At this time, the first BCDMA unit 100, the second BCDMA unit 200 and another BCDMA unit operates through the BCDMA communication network of different channels. This is to independently perform communication and control of each device between BCDMA communication networks. However, even if the same channel is used between BCDMA units at a distance from a specific company, a group, or a research institute, different channels must be used because the communication quality is not secured by long-distance radio transmission and reception. There is a need for a data relay unit 300 capable of functioning as a repeater that enables transmission and reception between BCDMA units using a BCDMA communication network.

Accordingly, the data conversion and relay device 1 of the present invention is provided between the first BCDMA unit 100 and the second BCDMA unit 200 operating under different channels, respectively, to receive signals and to receive the first signals. The data relay unit 300 for transmitting the received signal to the first BCDMA unit 100 and the second BCDMA unit 200 by changing a different channel between the BCDMA unit 100 and the second BCDMA unit 200. It includes.

In addition, the data conversion and relay device 1 of the present invention may further include an Ethernet unit 400 using an Ethernet communication network 410, which is an Ethernet-based sub-network, wherein the data relay unit 300 Each device connected to each communication network by converting a protocol capable of transmitting and receiving data between the signal of the first BCDMA unit 100 or the second BCDMA unit 200 having a different protocol and the signal of the Ethernet unit 400. 10) 20, 30 is controlled.

The first BCDMA unit 100 establishes a single channel wireless communication network with the first BCDMA device 10 such as intelligent home automation, a remote meter, and various electronic devices in a building, and transmits and receives wirelessly, and transmits and receives a second BCDMA unit ( 200 establishes a wireless communication network of a different channel with the second BCDMA device 20 and the first BCDMA unit 100 such as intelligent home automation, remote meter reader, and various electronic devices in another building, and transmits and receives wirelessly. In addition, the Ethernet unit 400 transmits and receives data through Ethernet communication with the Ethernet device 30 connected to the Ethernet communication network 410 through a TP cable. That is, the data relay unit 300 of the present invention functions as a repeater capable of transmitting and receiving each other by changing channels of the first BCDMA unit 100 and the second BCDMA unit 200 spaced apart from each other. At the same time, it may function simultaneously as a data converter that converts different protocols between the first BCDMA unit 100 or the second BCDMA unit 200 and the Ethernet unit 400 to transmit and receive each other.

The data relay unit 300 converts a protocol of a signal of the first BCDMA unit 100 or the second BCDMA unit 200 having a different protocol from a signal of the Ethernet unit 400 to convert data into a protocol. The devices 10, 20, and 30 connected to the communication networks 110, 210, and 410 are controlled. The detailed configuration of the data relay unit 300 is shown in FIG. 2 as shown in FIG. 2. ) And microprocessor 360.

The microprocessor 360 has a system bus S used as a transmission path for data communication with the constituent means inside the data relay unit 300. The system bus (S) supports the control operation of the microprocessor 360, and outputs pulses at regular time intervals so that the microprocessor 360 can accurately store the time, and has a dedicated battery for a long time. ALTC 310 with battery is connected to maintain its own time even when power supply is interrupted, flash memory 320 for temporarily storing boot program and application is connected, and converts parallel signal into serial signal Serial I2C Y pyrom 330 outputting the I2C bus and main memory 340 for temporarily storing various data or programs read through the input are connected.

In addition, the system bus S of the microprocessor 360 is connected to the first BCDMA unit 100, the second BCDMA unit 200, and the Ethernet unit 400 through an input / output interface 350. In this case, when the microprocessor 360 is requested to connect from the first BCDMA unit 100, the second BCDMA unit 200, or the Ethernet unit 400 through the I / O interface 350, the first BCDMA is requested. The network device converts the other channel between the unit 100 and the second BCDMA unit 200, and converts the other BC device between the first BCDMA unit 100 or the second BCDMA unit 200 and the Ethernet unit 400. Control so as to perform communication between (10, 20, 30).

The data conversion and relay device 1 according to the present invention further includes an external device 500 connected with the data relay unit 300 and an external communication network 510, as shown in FIG. The unit 300 changes the channel of the signal of the first BCDMA unit 100 and the signal of the second BCDMA unit 200 having different channels so as to transmit / receive data with the external communication network 510, and has a different protocol. Converts the signal of the first BCDMA unit 100 or the second BCDMA unit 200 and the signal of the Ethernet unit 400 into a protocol to enable data transmission and reception with an external communication network 510, and the I / O interface ( It may further include an external connection interface 370 to connect the 350 and the external communication network 510. The data relay unit 300 and the external communication network 510 communicate with the external device 500 having various control functions by using various communication methods, for example, Xdsl, Cable, FTTH, WLL, SATELLITE, and the like.

The I / O interface 350 of the data relay unit 300 further includes an external connection interface 370 to be connected to an external communication network 510. The external connection interface 370 is shown in FIG. An optical interface 371 supporting optical communication, a serial transceiver 372 connected to a serial communication interface, and an asynchronous serial communication interface 373 for asynchronous serial communication may be configured. The serial transceiver 372 and the asynchronous serial communication interface 373 are provided with a communication port for communication connection with the external device 500, respectively, and the optical interface 371 is SC, MTRJ or VF45 standard for optical connection. The connector is provided to enable the external device 500 and the optical communication. Accordingly, the data relay unit 300 transmits data from the first BCDMA unit 100, the second BCDMA unit 200, and the Ethernet unit 200 through the external communication network 510 to the external device. BCDMA device 10 (20), such as intelligent home automation, remote meter reading, and various electronic devices in a particular building by transmitting to 500, and receiving data from the external device 500 through the external communication network 510. Each can be controlled.

Meanwhile, as shown in FIG. 3, each of the first BCDMA device 10 and the second BCDMA device 20 has a first BCDMA having each different channel which is a sub-network based on a binary code division multiple access (BCDMA) scheme. A device connected to the communication network 110 and the second BCDMA communication network 210, comprising a BCDMA physical layer, MAC layer, TCP / IP layer and application layer, Ethernet device 30 is a sub-network by Ethernet As a device connected to the Ethernet communication network 410, the device includes an Ethernet physical layer, a MAC layer, a TCP / IP layer, and an application layer. Since the protocol of the hierarchical structure for each communication method is widely known, its detailed description is omitted.

However, the data conversion and relay device 1 according to the present invention has a physical layer, a link layer, and a protocol conversion layer corresponding to each communication network as shown in FIG. For example, the physical layer for connection with the first BCDMA communication network 110 or the second BCDMA communication network 210, the physical layer for connection with the Ethernet communication network 410, and the physical layer for connection with the external communication network 510, In order to interconnect different channels or protocols as described above, the upper layer includes a common layer for converting each protocol.

The embodiments of the present invention described above and shown in the drawings should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the scope of the present invention as long as they are obvious to those skilled in the art.

1: Data conversion and repeater
10: first BCDMA device
20: second BCDMA device
30: Ethernet device
100: first BCDMA unit 110: first BCDMA communication network
200: second BCDMA unit 210: second BCDMA communication network
300: data relay unit
310: battery with ALTC 320: flash memory
330: Ypyrom 340: main memory
350: I / O interface 360: microprocessor
370: external connection interface 371: optical interface
372: serial transceiver 373: asynchronous serial communication interface
400: Ethernet unit 410: Ethernet communication network
500: external device 510: external communication network

Claims (5)

A first BCDMA unit of binary code division multiple access (BCDMA) system in which an intelligent home automation, a remote meter and various electronic devices in a building form a single channel wireless communication network,
A second BCDMA unit of a binary code division multiple access method in which an intelligent home automation, a remote meter, and various electronic devices in another building establish a wireless communication network of a channel different from that of the first BCDMA unit;
The signals are installed between the first BCDMA unit and the second BCDMA unit respectively operating under different channels to receive signals, and change the different channels between the first BCDMA unit and the second BCDMA unit to receive the received signals. And a data relay unit for transmitting to the first BCDMA unit and the second BCDMA unit.
The method of claim 1,
It further comprises an Ethernet unit for establishing an Ethernet communication network,
The data relay unit,
And converting a protocol of a signal of the first BCDMA unit or a second BCDMA unit having a different protocol and a signal of the Ethernet unit so as to mutually transmit and receive data, thereby controlling each device connected to each communication network. Repeater.
3. The method of claim 2,
The data relay unit,
Battery-attached RTC (RTC) to provide time information,
Flash memory to temporarily store boot and applications,
Ipyrom for storing non-volatile data,
Main memory for temporarily storing various data or programs read through the input,
An I / O interface connected to the first BCDMA unit, the second BCDMA unit, or the Ethernet unit, respectively;
Receives real-time information from the battery-mounted ALTC, executes a program stored in the flash memory to store setting data in the YPI, and via the I / O interface, the first BCDMA unit, the second BCDMA unit or Ethernet When a connection is requested from the unit, the first BCDMA unit and the second BCDMA unit convert to a counterpart channel, and the first BCDMA unit or the second BCDMA unit and the Ethernet unit convert to a counterpart protocol to perform communication between different network devices. And a microprocessor for controlling the data conversion and repeater.
The method of claim 3,
Further comprising an external device connected through the data relay unit and an external communication network,
The data relay unit,
Change the channel of the signal of the first BCDMA unit and the signal of the second BCDMA unit having different channels so as to transmit and receive data with an external communication network;
Converting a protocol of a signal of the first BCDMA unit or a second BCDMA unit having a different protocol from that of the Ethernet unit to enable data transmission and reception with an external communication network;
Further comprising an external connection interface to connect the I / O interface and an external communication network,
And the external connection interface comprises an optical interface for supporting optical communication, a serial transceiver connected to a serial communication interface, and an asynchronous serial communication interface for asynchronous serial communication.
5. The method of claim 4,
The data relay unit,
Intelligent home automation in a specific building by transmitting data from the first BCDMA unit, the second BCDMA unit, and the Ethernet unit to the external device through the external communication network, and receiving data from the external device through the external communication network; A data conversion and relay device, characterized in that for controlling the remote meter reader and various electronic devices.
KR1020120059034A 2012-06-01 2012-06-01 Apparatus for converting and relaying data KR20130135463A (en)

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