KR20020022485A - Private possibility wireless phones communication network through wire system - Google Patents

Abstract

PURPOSE: A wired data communication network system capable of using a wireless terminal is provided to save the charge of a wireless communication service by selectively receiving wireless and wired services. CONSTITUTION: A wireless terminal(10') and a wired communication network(20') connect using buletooth modules(10,20) so that it is possible for a wired communication. The bluetooth(10) includes an RFCOMM(Radio Frequency Communication) for being operated so that a CDMA(Code Division Multiple Module) call control module uses a bluetooth interface using a serial interface, a TCS(Telephony Control System) for embodying a control function of the CDMA call control module, an L2CAP(Link 2 Capsulation) for setting a channel with an object device and transmitting data of an upper layer, an HCI for transmitting a command according to the request of a bluetooth user, receives the result according to the transmitted command, and informs the received result to the upper layer, an LMP for setting and releasing a physical link and transmitting data, and a UART(Universal Asynchronous Receiver/Transmitter) driver for performing a transmission interface between a wireless frequency module and a bluetooth firmware.

Description

Private possibility wireless phones communication network through wire system

The present invention relates to a wired data communication network system that can be used in a wireless terminal. More particularly, in using a wireless communication terminal in a home or a building equipped with a wired communication network, a wireless communication terminal can be connected to a wired communication network to enable communication. The present invention relates to a wireline data communication system capable of using a terminal.

In general, wireless communication service and wired communication service are different from each other in terms of service method and handling method, and wireless communication service can be used anywhere regardless of communication line through portable wireless terminal. Therefore, a large number of base stations are required, and most of them receive services from a private telecommunication company, which is a disadvantage in that the call quality is deteriorated and communication costs are high when the base station is out of the communication range.

In addition, the wired communication service is excellent in call quality according to the access rate to the number of connection attempts and the communication cost is lower than that of the wireless communication service. If disconnection occurs, the connection is impossible and there is a disadvantage that the portable terminal cannot be carried.

By eliminating the disadvantages of the different wired and wireless communication services as described above, using only the advantages, the existing wired communication network can be provided with a large amount of services provided by the wired communication network while reducing the additional installation cost and reducing the wireless communication cost. The purpose is to make it work.

An object of the present invention is to enable wireless communication terminals and wired communication equipment to wirelessly connect portable devices such as mobile phones and portable PCs, network access points, and other peripheral devices within a small area (10 to 100 m). This is accomplished by enabling mutual communication using a wireless local area network (WLAN).

In order to achieve the above object, the present invention converts a code division multiple access (CDMA) control signal and a voice signal into a digital signal of a plain old telephone service (POTS) network to convert a radio frequency into RFCOMM (Radio Frequency). RFCOMM and CDMA call that allow CDMA call control module to use Bluetooth interface using existing serial interface to CDMA call control module that delivers to lower layer using Communication and Telephony Control System (TCS) TCS that enables the control module to implement control functions, Link 2 Capsulation (L2CAP) that transmits upper layer data by setting channels with counterpart devices, and gives commands according to the needs of Bluetooth users. Baseband with HCI and L2CAP acting as an interface to receive results and inform the upper layers LMP, a radio frequency (RF) module and a Bluetooth firmware (hardware and software) are micro programs that form a link layer at the top of the network, and establish a physical link, release a physical link, and transmit data. Bluetooth module of the wireless terminal consisting of a UART driver constituting a transmission interface between;

Ethernet PHY, an Ethernet access block that connects LAN (Local Area Network) equipment that supports the Ethernet standard to a host processor (a kind of microprocessor) connected to a wired network while performing basic microprocessor functions, and a wired communication IAD device. POTS call module, a POTS interface module of Integrated Access Devices (a device with high-performance access to manage multiple modules for different data access, such as voice, ATM, wireless, and frame relays, from a channel service unit with several ISDN ports) RFCOMM allows POTS call control module to use Bluetooth interface using existing serial interface, TCS to implement control function to CDMA call control module, and sets up channel with other device L2CAP, which is responsible for transmitting data It forms the link layer at the base of the baseband together with HCI and L2CAP, which acts as an interface for commanding and receiving the results according to the needs of Bluetooth users and informs the upper layer. A Bluetooth module in a wired communication network consisting of an LMP, a UMP (Universal Asynchronous Receiver / Transmitter) driver that forms a transmission interface between a radio frequency module and Bluetooth palmware, and a UART used as an interface for IAD equipment. It can be used to store the temporary data to be used while the device is operating, the EEPROM (Electrically erasable PROM) to store the data to be stored even when the device is turned off, and to read the software to perform IAD functions. , Temporary data generated during operation of IAD equipment Store or read from eseudiyi ram block, and is characterized by yirueojim basic configuration value for the IAD equipment to the IAD equipment storage flash memory is connected to or read from this prompt block.

1 is a schematic block diagram showing the structure of the present invention;

Figure 2 is a block diagram showing a Bluetooth configuration of a wireless terminal in the present invention

Figure 3 is a block diagram showing a Bluetooth configuration of a wired communication network in the present invention

Figure 4 is a block diagram showing a structure in which the Bluetooth module of the wired communication network is connected to the IAD equipment in the present invention

<Explanation of Signs of Major Parts of Drawings>

10,20: Bluetooth module 10 ': wireless terminal

11: CDMA call control module 12, 22: RFCOMM

13,23: TCS 14,24: L2CAP

15,25: HCI 16,26: LMP

17,27: UART driver 20 ': Wired communication network

21: POTS call control module 30: IAD equipment

31: host processor 32: Ethernet PHY

33: UART 34: SDRAM

35: eprom 36: flash memory

1 is a schematic block diagram showing the structure of the present invention, Figure 2 is a block diagram showing the configuration of the Bluetooth module 10 of the wireless terminal 10 'in the present invention and Figure 3 is a wired communication network in the present invention Figure 4 is a block showing the configuration of the Bluetooth module 20 of Figure 4 is a block diagram showing a structure in which the Bluetooth module 20 of the wired communication network is connected to the IAD device 30 in the present invention.

In FIG. 1, reference numeral 10 'refers to a wireless communication terminal such as CDMA, PCS (personal information communication device), IMT 2000, etc., and reference numeral 20' denotes xDSL (various digital subscription lines) as a wired communication network. In general, equipment and lines such as ISDN (Universal Information Network) and LAN (local area network), the present invention is a combination of the two communication means using the respective Bluetooth module 10, 20 to enable mutual communication. will be.

Note that the wireless terminal 10 'in the present invention is CDMA, and the wired communication network 20' is described using xDSL as an example.

The Bluetooth modules 10 and 20 described herein are one technical specification for wireless connection between portable devices such as mobile phones, portable PCs, and network access points and other peripheral devices. A chip that allows wireless connectivity.

The connection between the wireless terminal 10 'and the Bluetooth module 10 or the wired communication network 20' and the Bluetooth module 20 is connected by RS232C, which is generally a standardized communication port.

2 is a block diagram showing the structure of the Bluetooth module 10 of the wireless terminal 10 ', converting a CDMA control signal and a voice signal into a digital signal of a Plain Old Telephone Service (POTS) network to convert several protocols over a network. The CDMA call control module 11 and the CDMA call control module 11 transmit the Bluetooth interface to the lower layer by using the RFCOMM 12 and the TCS 13 that transmit the data. RFCOMM 12 for enabling use, TCS 13 for implementing control functions to the CDMA call control module 11, and L2CAP (for transmitting data of a higher layer by setting a channel with a counterpart device) 14) the base station together with the HCI (15), which serves as an interface to give a command according to the request of the Bluetooth user and receive the result and inform the upper layer, and the L2CAP. Above constitute the link layer, it consists of a LMP (16) and, UART driver 17 constituting a transmission interface between the radio frequency module and the Bluetooth firmware for the transmission of such enabled, disabled, and data of the physical link.

3 is a block diagram showing the structure of a Bluetooth module 20 of a wired communication network according to the present invention, a POTS call control module 21 and a POTS call control module 21, which are POTS interface modules of a wired communication IAD device. RFCOMM 22 to allow the Bluetooth interface to be used using the existing serial interface, TCS 23 to implement the control function to the POTS call control module 21, and a channel with the counterpart device. L2CAP (24) which transmits data of upper layer, HCI (25) which acts as an interface to give command to the upper layer and receive the result according to the request of Bluetooth user, and base with L2CAP LMP 26 which forms a link layer at the upper layer and performs the establishment, release, and data transmission of a physical link, and a transmission in between the radio frequency module and Bluetooth palmware. It consists of the UART driver 27 constituting a face.

4 is a block diagram of an IAD device 30 of a wired communication network to which the Bluetooth module 20 of the wired communication network 20 'is connected to the host processor 31 that performs basic microprocessor functions. Ethernet PHY 32, which is an Ethernet access block to which LAN equipment supporting the device is connected, UART 33 used as an interface of the IAD device 30, and SDRAM 34 in which temporary data to be used while the device is operating is stored. And e-prom 35 to store data which should be stored even when the power of the equipment is cut off, and to read temporary software to perform IAD function or to store temporary data generated during operation of IAD 30 from the SDRAM block. A flash memory 36 that reads or stores the basic configuration values of the IAD device 30 from the e-prom block is stored in the UART 33 of the connected IAD device 30. It consists of a structure connected to the Bluetooth module 20 in the line network.

The Bluetooth module 10 of the wireless terminal 10 'of the present invention having such a structure converts the CDMA control signal and the voice signal into the digital signal of the POTS network in the CDMA call control module 11 by using RFCOMM and TCS. In other words, the RFCOMM 12 allows the CDMA call control module 11 to use a Bluetooth interface using an existing serial interface, and the TCS 13 provides control to the CDMA call control module 11. To be implemented.

Thereafter, the L2CAP 14 sets a channel with the counterpart device to transmit data of the upper layer, and the HCI 15 serving as an interface issues a command according to the request of the Bluetooth user, receives the result, and informs the upper layer.

The LMP 16 forms a link layer on the upper base of the baseband together with the L2CAP. The UART driver 17, which establishes, releases, and transmits a physical link, forms an interface, performs data transmission between the radio frequency module and the Bluetooth palmware. .

Also, in the Bluetooth module 20 of the wired communication network, the POTS call control module 21 is a connection part of the Bluetooth module 20 and the IAD device 30 as a POTS interface module of the wired communication IAD device 30.

The RFCOMM 22 allows the POTS call control module 21 to use a Bluetooth interface using an existing serial interface, and the TCS 23 enables the POTS call control module 21 to implement control functions and the L2CAP (24). ) Sets up a channel with the other device and transmits data of a higher layer.

The HCI 25 serves as an interface for commanding and requesting the result according to the Bluetooth user's request and informing the upper layer, and the LMP 26 forms a link layer at the base of the base with the L2CAP. , Release and data transmission, and the UART driver 27 performs data transmission between the radio frequency module and the Bluetooth palmware.

The Bluetooth module 20 of the wired communication network 20 'transfers the data received from the Bluetooth module 10 of the wireless terminal 10' to the host processor 31 through the standard UART 33 interface, and the host processor. (31) interprets and processes this.

In contrast, when the host processor 31 does not need to communicate using Bluetooth, the host processor 31 transmits data to the Bluetooth module 20 by using a standard UART 33 interface.

Even in the region where the wired communication network 20 'of the present invention is constructed, even when the wireless terminal 10' is used, wireless data is transmitted to the wired to receive the same service as wired communication. will be.

The present invention is to use a wireless communication terminal, in the home or building equipped with a wired communication network to receive the same service as a wired communication, and at the same time to receive the existing wireless communication services in other areas to wireless and wired The service can be selectively handled, thereby reducing the wireless communication service fee, and using the existing wired communication network.

Claims (3)

A wired data communication network system for use with a wireless terminal, characterized in that the wired communication is possible by connecting the wireless terminal 10 'and the wired communication network 20' using the respective Bluetooth modules 10 and 20. . The CDMA call control module according to claim 1, wherein the Bluetooth 10 of the wireless terminal 10 'converts the CDMA control signal and the voice signal into a digital signal of the POTS network and transmits them to a lower layer using RFCOMM and TCS. RFCOMM 12, which enables the CDMA call control module 11 to use a Bluetooth interface by using an existing serial interface, and TCS 13, which enables the CDMA call control module 11 to implement a control function. ), L2CAP (14) that sets the channel with the other device and transmits the data of the upper layer, and serves as an interface for giving a command according to the request of the Bluetooth user and receiving the result value and informing the upper layer. HCI (15), L2CAP and LMP (16), which form the link layer on the base of the baseband, establish the physical link, release and transmit the data, radio frequency module and blue The Bluetooth 20 module of the wired communication network 20 'is configured with the UTS driver 17 that forms the transmission interface between the Tooth Palmware, and the POTS call control module 21, which is a POTS interface module of the IAD 30 device, and POTS RFCOMM 22, which allows the call control module 21 to use a Bluetooth interface using an existing serial interface, TCS 23, which enables the POTS call control module 21 to implement a control function, and a counterpart device. L2CAP (24) which sets up channel and transmits data of upper layer, and HCI (25) which serves as an interface to give command to the upper layer by receiving command according to the request of Bluetooth user and receiving result accordingly. And LMP (26), which forms a link layer at the base of the baseband with L2CAP, establishes, releases, and transmits a physical link, between the radio frequency module and Bluetooth palmware. Wireless terminal available wired data communication network system characterized in that it consists of a UART driver 27 constituting a transmission interface. The Ethernet PHY according to claim 1, wherein the Bluetooth 20 module of the wired communication network 20 'is an Ethernet access block to which LAN equipment supporting Ethernet standards is connected to a host processor 31 that performs a basic microprocessor function. 32, the UART 33 used as an interface of the IAD device 30, the SDRAM 34 storing temporary data to be used while the device is operating, and the data to be stored even when the power of the device is turned off. EPI 35 to be stored, and software to perform the function of the IAD, or read or save the temporary data generated during the operation of the IAD 30 from the SDRAM block, the basic configuration value of the IAD equipment 30 Flash memory 36 for reading or storing the data from an e-prom block is connected to the UART 33 of the connected IAD device 30. A wired data communications network.