KR102182595B1 - Intergrated apparatus of in-building network, signal coverage extender and signal coupling device - Google Patents

Abstract

An in-building network integration device, a signal coverage extension device, and a signal combining device are provided. The in-building network integration device includes a signal combining device for outputting a first multiple signal generated by combining a plurality of communication signals having different frequency bands to a transmission line, and a first received from the signal combining device connected to the transmission line. A second multi-signal generated by removing the WiFi signal from the multi-signal, converting the wired signal extracted from the first multi-signal into a WiFi signal, and combining the converted WiFi signal with the first multi-signal from which the WiFi signal has been removed And a signal coverage extension device outputting to the transmission line.

Description

In-building network integration device, signal coverage extension device, and signal combining device {INTERGRATED APPARATUS OF IN-BUILDING NETWORK, SIGNAL COVERAGE EXTENDER AND SIGNAL COUPLING DEVICE}

The present invention relates to an in-building network integration device, a signal coverage extension device, and a signal combining device, and more particularly, to a technology for integrating wired and wireless networks in in-building.

An in-building network can be defined as an indoor highly reliable communication infrastructure built with a combination of various products, services, and networks. In-building networks are largely built into wired networks and wireless networks.

Since wired networks and wireless networks are currently being constructed separately, building owners and telecommunications operators must establish separate networks. Separate wired and wireless equipment for each peer-to-peer environment based on copper wire, UTP (Unshielded Twisted Pair cable), fiber, LAN (Local Area Network), telephone line, coaxial, and RF (Radio Frequency) There is a problem that a large investment cost occurs due to the construction.

In addition, since wired and wireless traffic cannot share wiring and equipment in a building, there is a problem that the cost of constructing an in-building infrastructure increases. In order to solve this problem, in-building networks tend to integrate wired and wireless networks.

In addition, in the case of a wireless network in an in-building, it is expected that there are a number of uses in addition to the widely known wireless use purpose, that is, a smartphone or a laptop connected to a WiFi and a cellular network. Internet of Things (IoT) for smart buildings such as the proliferation of sensors for heating, security or elevator operation, robots or automated trolleys that perform services within buildings that require continuous wireless connection and control, IP-CCTV ( Closed-circuit television) may be an example.

Meanwhile, with the development of wireless communication technology, various wireless communication services are provided to customers. Further, even in the same wireless communication service, the frequency bands processed by each communication company are different. As described above, a multi-band technology is disclosed in which radio signals of different frequency bands are combined with a combiner and transmitted to a broadband antenna through a single communication cable, and then radiated into a building.

Among the wireless communication services in the building, one of the most widely used is the WiFi service. With billions of dedicated Wi-Fi devices ranging from PCs and tablets to TVs, printers and a wide range of consumer and industrial products, the consumption of Wi-Fi in buildings is significant.

However, the maximum input power of the wireless signal in the WiFi band is +17dBm (decibel milliwatte), while the maximum input power of the wireless signal in the mobile communication band is +30dBm. Accordingly, a wireless signal in a WiFi band has a relatively narrow coverage compared to a wireless signal in a mobile communication band, and a loss occurring in a cable transmission line is very high, resulting in a problem of deteriorating service quality.

One problem to be solved by the present invention is to transmit a multi-signal combined with a wired signal and a plurality of wireless signals using different radio frequency bands indoors through a radio frequency cable wired inside a building, thereby providing a wireless-based premises wiring. It is to provide an in-building network integration device, a signal coverage extension device, and a signal combining device that simplify the in-building network structure by integration.

Another problem to be solved by the present invention is an in-building network integration device that expands Wi-Fi frequency coverage by converting and retransmitting a wired signal into a wireless signal in a Wi-Fi band at a Wi-Fi signal attenuation point, a signal coverage expansion device, and a signal combination. To provide a device.

According to one feature of the present invention, the in-building network integration device is a signal combining device for outputting a first multiple signal generated by combining a plurality of communication signals having different frequency bands to a transmission line, and connected by the transmission line. Removes the Wi-Fi signal from the first multi-signal received from the signal combining device, converts the wired signal extracted from the first multi-signal into a Wi-Fi signal, and converts the converted Wi-Fi signal to the first multi-signal from which the Wi-Fi signal is removed. And a signal coverage extension device for outputting a second multiple signal generated by combining to the transmission line.

The signal coverage extension apparatus converts the wired signal into an Ethernet signal, converts the Ethernet signal into the WiFi signal, generates the second multi-signal based on the converted WiFi signal, and externally converts the converted WiFi signal. Can radiate with.

The signal combining device includes at least one communication input port for receiving the plurality of communication signals, a power input port for receiving a power signal supplied from a power supply device, and a combination of the plurality of communication signals and the power signal. 1 A signal combiner for generating multiple signals, and an output port for outputting the first multiple signals to a transmission line, and the power signal may be supplied to at least one network device connected to the transmission line.

The signal coverage extension apparatus may use the power signal detected from the first multiplex signal as a driving power source.

The in-building network integration device further includes at least one divider connected to the transmission line, and the at least one divider filters the first multi-signal or the second multi-signal according to a plurality of frequency bands, and each filtered A signal in a frequency band may be output to the transmission line together with a power signal.

The in-building network integration device further includes at least one network device connected to the at least one distributor, and the at least one network device includes a wired signal of the first multi-signal from a distributor connected to a front end of the signal coverage expansion device. A communication terminal that receives the input, converts the wired signal into a Wi-Fi signal and outputs it to a Wi-Fi access point, and a Wi-Fi signal receiving the second multi-signal Wi-Fi signal from a distributor connected to the rear end of the signal coverage extension device and radiating it to the outside. Device.

The in-building network integration device may further include a concentrator for converting the data signal received from the network into a wired signal of a specific frequency band within a frequency range of 200 MHz or less, and outputting the converted data signal to the signal combining device.

The in-building network integration device is a remote optical demux (DEMUX) that is connected to the concentrator with an optical line and separates and outputs a received optical transmission signal into a wired optical signal and a wireless optical signal, and the remote optical demux and optical signal. It is connected through a line, and further comprises an optical mux for converging (MUX) for transmitting an optical transmission signal combined with a wired optical signal received from the optical line terminal and a wireless optical signal received from the main hub unit to the remote optical demux, , The concentrator outputs a wireless digital signal photoelectrically converted from the wireless optical signal received from the remote optical demux to the signal combining device, and the wired digital signal photoelectrically converted from the wired optical signal is output to the specific frequency band. It may be converted into a wired signal and output to the signal combining device.

The transmission line may include a radio frequency cable or a coaxial cable.

According to another feature of the present invention, the apparatus for extending signal coverage includes an Ethernet signal generator for converting a wired signal extracted from a first multi-signal combined with a plurality of communication signals having different frequency bands received from a transmission line into an Ethernet signal. , A Wi-Fi signal generator for converting the Ethernet signal into a Wi-Fi frequency band wireless signal, a band removal filter for blocking a Wi-Fi frequency band wireless signal from the first multiple signal, and a first multiple signal output from the band removal filter And a signal combiner for generating a second multi-signal by combining the wireless signals output from the Wi-Fi signal generator and outputting a second multi-signal to a transmission line.

The apparatus for extending signal coverage may further include at least one Wi-Fi band antenna that radiates a wireless signal output from the Wi-Fi signal generator.

The signal coverage extension apparatus may further include a power supply unit that outputs driving power based on a power signal detected from the first multiplex signal.

The signal coverage extension apparatus further includes a divider for separating the wired signal from the first multi-signal and outputting the wired signal to the Ethernet signal generator, and outputting the first multi-signal to the band elimination filter, wherein the divider comprises: The signal and the signal strength of the first multi-signal may be set differently and output.

The signal strength of the wired signal may be output lower than that of the first multi-signal.

According to another feature of the present invention, the signal combining device includes a wired signal input port for receiving a wired signal, at least one wireless signal input port for receiving a plurality of wireless signals having a plurality of different radio frequency bands, and the wired signal. And a signal combiner for generating a multi-signal by combining the plurality of radio signals, and an output port for outputting the multi-signal to a transmission line to which a signal coverage extension apparatus is connected, wherein the multi-signal is provided to the signal coverage extension apparatus. It is regenerated to include one of the plurality of wireless signals converted from the wired signal.

The signal combining device further includes a power input port for receiving a power signal supplied from a power supply device, and the signal combining unit generates multiple signals by combining the wired signal, the plurality of wireless signals, and the power signal, , The power signal may be supplied to the signal coverage extension device and at least one network device connected to the transmission line.

The wired signal input port receives the wired signal from a concentrator, the concentrator receives a wired optical signal and a wireless optical signal from a remote optical demux (DEMUX), and the wired optical signal and the wireless optical signal Photoelectric conversion, and outputting the photoelectrically converted wired signal to the wired signal input port, and outputting the photoelectrically converted wireless signal to the wireless signal input port, the wired optical signal and the wireless optical signal, one optical transmission It is included in the signal and transmitted from the optical mux for converging (MUX) to the remote optical demux, and the one optical transmission signal is a wired optical signal and digital signal received from the optical line terminal by the optical mux for converging (MUX). The wireless optical signal received from the unit may be combined.

According to an embodiment of the present invention, by integrating wired and wireless signals having different frequency bands into one multi-signal, and transmitting the multi-signals into a building through a radio frequency cable, wireless-based premises wiring is integrated. The building network structure can be simplified.

In addition, by transmitting a plurality of communication signals having a plurality of different frequency bands in the in-building through one transmission medium, it is possible to increase a transmission speed and accommodate various communication services in the in-building.

In addition, the coverage of the Wi-Fi signal is reduced by removing the wireless signal of the previously transmitted Wi-Fi band at the point where the Wi-Fi signal, which has a relatively narrow coverage compared to the mobile communication signal, is attenuated and transmitting the wireless signal of the new Wi-Fi band converted from the wired signal. Provides an expanding effect.

1 is a block diagram showing a connection relationship between an in-building network integration device and a peripheral device according to an embodiment of the present invention.
2 is an example in which a plurality of radio signals are input to a signal combining device according to an embodiment of the present invention.
3 is an example in which a plurality of radio signals are input to a signal combining device according to another embodiment of the present invention.
4 is a diagram illustrating a connection relationship between an in-building network integration device and a peripheral device according to another embodiment of the present invention.
5 is a block diagram showing a 1:N connection relationship between a signal combining device and a G.hn Network Terminal (GNT) according to an embodiment of the present invention.
6 is a block diagram illustrating an internal configuration of a GNT according to the embodiment of FIG. 5.
7 is a block diagram showing a 1:N connection relationship between a signal combining device and a GNT according to another embodiment of the present invention.
8 is a block diagram showing an internal configuration of a GNT according to the embodiment of FIG. 7. FIG. 9 is a block diagram showing a configuration of a signal combining device according to an embodiment of the present invention.
10 is a block diagram showing the configuration of a signal coverage extension apparatus according to an embodiment of the present invention.
11 is an exemplary diagram illustrating signal coverage extension according to an embodiment of the present invention.
12 is a flowchart showing a signal processing method according to an embodiment of the present invention.
13 is a flowchart showing a signal processing method according to another embodiment of the present invention.
14 is a flowchart showing a signal processing method according to another embodiment of the present invention.
15 is a hardware block diagram of an in-building network integration device according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement the embodiments of the present invention. However, the present invention may be implemented in various different forms, and is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part "includes" a certain component, it means that other components may be further included rather than excluding other components unless otherwise stated.

In addition, terms such as "... unit", "... group", and "... module" described in the specification mean a unit that processes at least one function or operation, which can be implemented by hardware or software or a combination of hardware and software. I can.

Expressions described in the singular in this specification may be interpreted as the singular or plural unless an explicit expression such as "one" or "single" is used.

1 is a block diagram showing a connection relationship between an in-building network integration device and a peripheral device according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating a plurality of radio signals input to a signal combining device according to an embodiment of the present invention. 3 is an example of inputting a plurality of radio signals to a signal combining device according to another embodiment of the present invention.

Referring to FIG. 1, an in-building network integration device includes a signal combining device 100 installed in a communication room 10 and a coverage expansion device 200 installed in an in-building local area 20.

The signal combining device 100 and the coverage extension device 200 are connected through a transmission line, and the transmission line includes a radio frequency cable or a coaxial cable. The transmission line is wired from the communication room 10 to the in-building local area 20, for example, each floor.

The communication room 10 may be MDF (Main Distribution Frame) that distributes telephone lines and Internet lines to each floor, or TPS (Telecom Pipeline Shaft) in which various communication lines from the basement to the top floor of the building are installed. have.

The signal combining device 100 generates a first multi-signal by combining a plurality of communication signals and power signals having different frequency bands and outputs them to a transmission line. The plurality of communication signals include wired signals received from the concentrator 300, a plurality of (n) wireless signals using different radio frequencies, and a direct current (DC) power signal output from the power supply device 400. .

The concentrator 300 generates a data signal received from the network 500 as a wired signal of a Giga Wire frequency band, and outputs it to the signal combining device 100. Here, Giga wire is a technology that provides a maximum speed of 1 Gbps, such as a LAN (Local Area Network) and an optical cable, using a telephone line, and usually uses a 0 to 200 MHz band.

The wired signal may include at least one wired communication service signal from among an Internet signal, a TV signal, and an Internet Protocol Television (IPTV) signal.

The concentrator 300 is connected to the server 600 through the network 500. The network 500 may include a broadband network such as the Internet or Fiber To The x (FTTx) including Fiber To The Home (FTTH). The server 600 is a server that provides a data service to a subscriber end, and may include, for example, a server that provides an Internet Protocol Television (IPTV) service, an Internet Portal server, a broadcast content server, and the like, It may be a service provider server that performs Internet service policy and network management at the subscriber end.

The plurality of (n) wireless signals input to the signal combining device 100 include at least one of a mobile communication signal, a WiFi (Wireless Fidelity) signal, a broadcast signal, an Internet of Things (IoT) signal, an emergency communication signal, etc. can do.

The mobile communication signal uses a mobile communication frequency assigned to a mobile communication service provider. The mobile communication frequency includes a plurality of different radio frequencies for each mobile communication service provider and other mobile communication service providers. In addition, the mobile communication frequency may include a plurality of different frequencies allocated according to communication standards such as Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), and Long Term Evolution (LTE).

The Wi-Fi signal uses a frequency band of 2.4GHz or 5GHz.

Broadcast signals include digital multimedia broadcasting (DMB) signals, radio broadcasting signals, and the like. The DMB signal uses a frequency allocated for DMB, and may include a plurality of DMB signals using a plurality of different DMB frequencies allocated for each broadcaster. Radio broadcast signals include AM signals using 531KHz ~ 1601KHz and FM signals using 88KHz ~ 108KHz.

The Internet of Things (IoT) signal is a signal using a short-range communication frequency, and may include a signal for controlling a Community Antenna Television (CATV) signal, various sensors, and the like. The short-range communication frequency may include frequencies used in ZigBee, ZWave, and Bluetooth Low Energy (BLE) communication technologies.

Emergency communication signals may include fire and police communication signals using 220MHz, 430MHz ~ 470MHz.

Referring to FIG. 1, the signal combining device 100 may receive a giga wire signal, a plurality of (n) wireless signals, and a power signal, respectively.

Referring to FIG. 2, the signal combining device 100 is connected to the concentrator 300, the radio frequency combining device 700, and the power supply device 400, respectively.

The radio frequency combining device 700 outputs a radio frequency combined signal generated by combining a plurality of (n) radio signals to the signal combining device 100. The radio frequency coupling device 700 receives a WiFi signal from the WiFi AP 1200 installed in the communication room 10. The radio frequency coupling device 700 receives an IoT signal from the IoT AP 1300 installed in the communication room 10. The radio frequency combination device 700 may generate a radio frequency combination signal by combining a WiFi signal, an IoT signal, and a plurality of (n) radio signals.

The signal combining device 100 generates a first multiple signal by combining a giga wire signal, a radio frequency combination signal, and a power signal.

Referring to FIG. 3, the signal combining device 100 is connected to the concentrator 300, the mobile communication band combining device 800, and the power supply device 400, respectively, and is a giga wire signal, a mobile communication combining signal, and a power signal. It receives input. The signal combining device 100 receives a plurality of (n) radio signals each using a plurality of radio frequency bands excluding a mobile communication band. The signal combining device 100 may receive a WiFi signal from the WiFi AP 1200 installed in the communication room 10 and may receive an IoT signal from the IoT AP 1300 installed in the communication room 10.

The mobile communication band combining device 800 outputs a mobile communication combining signal generated by combining a mobile communication signal of a company's own company and a mobile communication signal of another company to the signal combining device 100. The signal combining device 100 generates a first multi-signal by combining a plurality of (n) wireless signals and power signals including a giga wire signal, a mobile communication combining signal, a WiFi signal, and an IoT signal.

Again, referring to FIG. 1, a signal coverage extension apparatus 200 and at least one distributor 900 are connected to a transmission line connected to the signal combining apparatus 100.

The signal coverage extension apparatus 200 may be installed at a WiFi signal attenuation point in an in-building local area. The Wi-Fi signal attenuation point may be determined through Wi-Fi signal strength measurement.

A plurality of signal coverage extension devices 200 may be installed for each floor in a building.

The distributor 900 installed at the front end of the signal coverage expansion apparatus 200 separates and outputs the first multiple signals into signals of different frequency bands set in advance. The splitter 900 may be connected to a multi-band wireless antenna 1000 and a G.hn Network Terminal (GNT) 1100.

The divider 900 filters and distributes the first multiple signals for each frequency band.

The multi-band wireless antenna 1000 may receive a first multi-signal having a plurality of radio frequency bands excluding the giga wire band from the divider 900. The multi-band wireless antenna 1000 radiates a plurality of received radio signals. Such a wireless signal may be received by a terminal using a WiFi frequency, for example, a closed-circuit television (IP-CCTV), a sensor, and the like.

The GNT 1100 may convert a giga wire signal output from the distributor 900 into an Ethernet signal and output it to a connected communication terminal (not shown). Here, the communication terminal (not shown) is a terminal that operates by receiving an Ethernet signal, and may include various sensors, CCTV, and the like.

In addition, the GNT 1100 may include a WiFi AP function. At this time, the GNT 1100 converts the giga wire signal into a WiFi signal and radiates it through a WiFi band antenna.

The signal coverage extension apparatus 200 receives a first multi-signal from the distributor 900, removes the WiFi signal, and converts the wired signal extracted from the first multi-signal into a WiFi signal. In addition, a second multi-signal generated by combining the converted WiFi signal with the first multi-signal from which the WiFi signal has been removed is output to a transmission line. And it radiates the changed Wi-Fi signal to the outside.

The divider 900 installed at the rear end of the signal coverage extension apparatus 200 separates the second multi-signal into signals of different frequency bands set in advance, and outputs them to the multi-band wireless antenna 1000 and the WiFi AP 1300.

In this case, the communication signal and the power signal filtered from the distributor 900 to each of the network devices 1000 and 1100 are output together. The power signal is used as the driving power of the distributor 900, each of the network devices 1000 and 1100, and the signal coverage expansion device 200.

In this way, a wired signal is generated as a new Wi-Fi signal at a point where the Wi-Fi signal is attenuated and output to a transmission line, thereby extending Wi-Fi coverage. Conventionally, even if a Wi-Fi signal is combined with the first multi-signal and transmitted, a Wi-Fi signal is not detected when it is out of Wi-Fi coverage, but in an embodiment of the present invention, the signal coverage extension device 200 newly generates a Wi-Fi signal from the Giga wire signal. Since it is output through a transmission line, there is an effect that Wi-Fi coverage is substantially extended.

4 is a configuration diagram showing a connection relationship between an in-building network integration device and a peripheral device according to another embodiment of the present invention, and a description of a configuration that performs a function similar to that of FIGS. 1 to 3 will be omitted.

The embodiment of Fig. 4 includes the embodiment of Figs. 1 to 3, but corresponds to an embodiment in which an optical line and a transmission line are wired.

Referring to FIG. 4, a communication room (10 in FIG. 1) is divided into a central communication room 11 and a local communication room 13. The central communication room 11 refers to a central control area within the in-building, and the local communication room 13 may be located on each floor or on the main floor.

Optical lines are wired from the central communication room 11 to at least one local communication room 13.

The local communication room 13 further includes a remote optical demux 1400 as compared to the communication room 10 of FIG. 1, and the remote optical demux 1400 is a concentrator 300 Is connected with The remote optical demux 1400 is connected to an optical mux 1500 for collection installed in the central communication room 11 through an optical line. Here, an optical cable may be used as the optical line.

The optical mux (1500) for converging is an optical line terminal (hereinafter referred to as'OLT') 1600 and a main hub unit (hereinafter referred to as'MHU') (1700). Connected. The OLT 1600 is installed in the central communication room 11 and is connected to the aggregation switch 1700 by wire. The MHU 1800 is installed in the central communication room 11 and is wirelessly connected to a digital unit (hereinafter, referred to as “DU”) 1900.

The aggregation switch 1700 and the DU 1900 are connected to the network 500 through a backbone switch 2000. The server 600 is connected to the network 500.

The remote optical demux 1400 is connected to the concentrator 300 by an optical line, and separates the optical transmission signal received from the optical mux 1500 for concentrating into a wired optical signal and a wireless optical signal, and is transferred to the concentrator 300. Print.

The concentrator 300 outputs a wireless digital signal obtained by photoelectrically converting the wireless optical signal input from the remote optical demux 1400 to the signal combining device 100. Then, the wired digital signal obtained by photoelectric conversion of the wired optical signal input from the remote optical demux 1400 is converted into a wired signal of a specific frequency band, for example, a giga wire band, and output to the signal combining device 100.

The converging optical mux 1500 transmits an optical transmission signal generated by combining the wired optical signal received from the OLT 1600 and the wireless optical signal received from the MHU 1800 to the remote optical demux 1400.

The OLT 1600 may be connected to the aggregation switch 1700 through an unshielded twisted pair (UTP) cable, a phone line, a power line, a coaxial cable, a fiber cable, or the like.

The aggregation switch 1700 is installed in the office and transmits data received from the backbone switch 2000 to the OLT 1600.

The MHU 1800 accepts a multi-band wireless service, converts RF digital data received from the DU 1900 into a wireless optical signal, and outputs it to the optical mux 1500 for converging.

The backbone switch 2000 is installed in the office and distributes data received from the server 600 through the network 500 to the aggregation switch 1700 and DU 1900.

In the above description, the description has been made based on the downlink signal, but the same operation is performed for the uplink signal. However, the downlink operation is replaced by a corresponding uplink operation, such as signal separation by signal combination and photoelectric conversion by electro-optical conversion.

5 is a block diagram showing a 1:N connection relationship between a signal combining device and a GNT (G.hn Network Terminal) according to an embodiment of the present invention, and FIG. 6 is a diagram showing an internal configuration of a GNT according to the embodiment of FIG. It is a block diagram.

Referring to FIG. 5, a plurality (n) of GNTs 1100 may be connected to one signal combining device 100. In addition, each GNT 1100 may be connected to a WiFi AP 1200, a CCTV 2100, an IoT device 2200 and a local area network (LAN) line. In this case, a WiFi signal converted from a giga wire signal may be output through a LAN line. As such, the giga wire technology in the coaxial line is basically capable of 1:N communication.

In a 1:N communication environment between the signal combining device 100 and the GNT 1100, when all N GNTs 1100 communicate simultaneously at the maximum speed, the maximum speed of each GNT 1100 is the signal combining device 100 It can provide 1/N speed of the maximum speed provided by

Referring to FIG. 6, the GNT 1100 includes a receiving unit 1101, an Ethernet signal generating unit 1103, a transmission unit 1105, a LAN port 1107, and a power supply unit 1109. The receiving unit 1101 receives the Giga wire signal and the power signal distributed from the distributor (900 in Figs. 1 and 4), outputs the Giga wire signal to the Ethernet signal generator 1103, and transmits the power signal to the power supply unit 1109. Output as

The Ethernet signal generation unit 1103 converts the giga wire signal into an Ethernet signal and outputs it to the transmission unit 1105. The transmission unit 1105 outputs a giga wire signal to the LAN port 1107.

The power supply unit 1109 generates driving power using the power signal received from the receiving unit 1101 and outputs the driving power to each of the components 1101, 1103, 1105, and 1107.

7 is a block diagram showing a 1:N connection relationship between a signal combining device and a GNT according to another embodiment of the present invention, and FIG. 8 is a block diagram showing an internal configuration of a GNT according to the embodiment of FIG. 7.

Referring to FIG. 7, the GNT 1100 is the same as FIG. 6, except that the GNT 1100 is an integrated GNT 1100 in which the original function of the GNT and the WiFi AP function are integrated. The configuration of the integrated GNT 1100 is shown in FIG. 8.

Referring to FIG. 8, it is similar to the GNT 1100 of FIG. 6, but further includes a WiFi signal generator 1111 and at least one WiFi band antenna 1113. Accordingly, a description of a configuration similar to that of FIG. 6 will be omitted.

The Wi-Fi signal generation unit 1111 converts an Ethernet signal output from the Ethernet signal generation unit 1103 into a Wi-Fi signal. At least one WiFi band antenna 1113 radiates a WiFi signal output from the WiFi signal generator 1111.

9 is a block diagram showing the configuration of a signal combining device according to an embodiment of the present invention.

Referring to FIG. 9, the signal combining device 100 includes a wired signal input port 101, at least one wireless signal input port 103, a power input port 105, a signal combining unit 107, and an output port 109. ).

The wired signal input port 101 is connected to the concentrator 300 and receives a giga wire signal from the concentrator 300 and outputs it to the signal combining unit 107.

At least one radio signal input port 103 receives a plurality of (n) radio signals using different radio frequencies, respectively, or receives a radio frequency combination signal in which a plurality of (n) radio signals are combined, or A mobile communication combination signal in which a mobile communication signal of a company's own mobile communication signal and a mobile communication signal of another company are combined and a plurality of (n) radio signals using different radio frequencies are input and output to the signal combination unit 107.

The power input port 105 receives a DC power signal from the power supply device 400 and outputs it to the signal combining device 100.

The signal combining unit 107 combines a plurality of communication signals and power signals respectively input from the wired signal input port 101, at least one wireless signal input port 103, and the power input port 105 to provide a first multi-signal. And output to the output port 109.

The output port 109 outputs a first multiple signal output from the signal combining unit 107 to a transmission line.

In this case, the DC power signal is used as the driving power of the signal combining device 100 and the driving power of the network devices 200, 900, 1000, and 1100 connected to the transmission line.

10 is a block diagram showing the configuration of a signal coverage extension apparatus according to an embodiment of the present invention.

Referring to FIG. 10, the signal coverage extension apparatus 200 includes a divider 201, a band removal filter 203, an Ethernet signal generation unit 205, a Wi-Fi signal generation unit 207, a signal combining unit 209, at least It includes one Wi-Fi band antenna 211 and a power supply 213.

The divider 201 separates the wired signal of the gigawire frequency band from the first multi-signal received from the transmission line and outputs it to the Ethernet signal generator 205, and outputs the first multi-signal to the band elimination filter 203. .

The divider 201 may perform asymmetric transmission in which signal strengths of the wired signal output to the Ethernet signal generator 205 and the first multiple signal output to the band removal filter 203 are set differently. At this time, since the first multi-signal is a signal requiring long-distance transmission, it is output as a strong signal, and since a wired signal in the giga-wire band is a short-range transmission signal, it can be output as a weak signal.

The band elimination filter 203 blocks a wireless signal of a Wi-Fi frequency band from the first multiple signal output from the divider 201 and outputs other communication signals to the signal combiner 209.

The Ethernet signal generator 205 converts the wired signal output from the distributor 201 into an Ethernet signal and outputs it to the Wi-Fi signal generator 207.

The Wi-Fi signal generator 207 converts the Ethernet signal output from the Ethernet signal generator 205 into a wireless signal of a Wi-Fi frequency band, and outputs each to the signal combiner 209 and at least one Wi-Fi band antenna 211 do.

The signal combiner 209 combines the first multi-signal from which the Wi-Fi signal output from the band removal filter 203 is removed and the Wi-Fi signal output from the Wi-Fi signal generator 207 to generate a second multi-signal. Then, the second multiple signals are output to the transmission line.

At least one Wi-Fi band antenna 211 radiates a Wi-Fi signal output from the Wi-Fi signal generator 207.

The power supply unit 213 is based on the power signal received from the divider 201, a divider 201, a band elimination filter 203, an Ethernet signal generation unit 205, a Wi-Fi signal generation unit 207, a signal combining unit 209 ), supplying driving power to at least one Wi-Fi band antenna 211.

11 is an exemplary diagram illustrating signal coverage extension according to an embodiment of the present invention.

Referring to FIG. 11, the WiFi signal input to the signal combining device 100 and transmitted to the coaxial line is a signal output to the WiFi AP 1200 at the front end of the signal coverage extension device 200. In this case, the distance between the signal combining device 100 and the signal coverage extension device 200 may be about 60 m at maximum, and the distance between the multi-band wireless antenna 1000 and the GNT 1100 may be 10 to 20 m.

The WiFi signal (ie, WiFi AP signal) output to the WiFi AP 1200 is reduced to the limit of coverage. The signal coverage extension device 200 converts the giga wire signal output from the signal combining device 100 into a WiFi signal and outputs it. That is, a WiFi signal generated from a giga wire signal (ie, a giga wire WiFi signal) is transmitted at the rear end of the signal coverage extension apparatus 200.

As described above, when a plurality of radio signals having a plurality of different radio frequencies are simultaneously transmitted through a transmission line, a giga wire signal is generated as a WiFi signal and retransmitted, thereby boosting a WiFi signal. Through this, the signal attenuation imbalance due to the Wi-Fi frequency can be compensated based on Giga wire technology.

Meanwhile, a signal processing method for each embodiment of the in-building network integration device described so far will be described as follows.

12 is a flowchart showing a signal processing method according to an embodiment of the present invention.

Referring to FIG. 12, the signal combining device 100 generates a first multi-signal by combining a wired signal of a giga wire frequency band, a plurality of wireless signals having different radio frequencies, and a power signal (S101), and a transmission line Output (S103).

The signal coverage extension apparatus 200 extracts a wired signal from the first multi-signal received (S103) from a transmission line and converts it into an Ethernet signal (S105).

The signal coverage extension apparatus 200 converts the converted Ethernet signal (S105) into a wireless signal of a Wi-Fi frequency band (S107).

The signal coverage extension apparatus 200 blocks the Wi-Fi frequency band from the first multi-signal (S109).

The signal coverage extension apparatus 200 generates a second multi-signal by combining the converted (S107) wireless signal of the Wi-Fi frequency band and the first multi-signal from which the Wi-Fi frequency band is blocked in step S109 (S111). Then, the generated second multi-signal is output to the transmission line (S113).

In addition, the signal coverage extension apparatus 200 radiates a wireless signal of the converted Wi-Fi frequency band (S115).

13 is a flowchart illustrating a signal processing method according to another embodiment of the present invention, and corresponds to the embodiment of FIG. 1.

Referring to FIG. 13, the concentrator 300 generates a data signal received from the network 500 as a wired signal of a giga wire band (S201) and outputs it to the signal combining device 100 (S203).

The signal combining device 100 generates a first multi-signal by combining a wired signal received (S203), a plurality of wireless signals having different radio frequencies, and a power signal received (S205).

14 is a flowchart illustrating a signal processing method according to another embodiment of the present invention, and corresponds to the embodiment of FIG. 4.

Referring to FIG. 14, the optical mux 1500 for condensing generates an optical transmission signal by multiplexing a wired optical signal input from the OLT 1600 and a wireless optical signal input from the MHU 1800 (S301). In this case, different wavelengths may be used for the wired optical signal, the wireless optical signal, and the optical transmission signal.

The optical mux 1500 for converging outputs the optical transmission signal generated in step S301 to the remote optical demux 1400 (S303). The remote optical demux 1400 demultiplexes the received optical transmission signal (S303) into a wired optical signal and a wireless optical signal having respective wavelengths (S305) and outputs it to the concentrator 300 (S307).

The concentrator 300 photoelectrically converts the received wireless optical signal (S307) (S309), and outputs the photoelectrically converted digital wireless signal (S309) to the signal combining device 100 (S311).

The concentrator 300 converts the received wired optical signal (S307) to photoelectric conversion (S313), and converts the digital wired signal from photoelectric conversion (S313) to a wired signal of a giga wire band (S315). Then, the converted (S315) wired signal of the giga wire band is output to the signal combining device 100 (S317).

The signal combining device 100 generates a first multi-signal by combining the wireless signal and the wired signal, respectively, received in steps S311 and S317, and a plurality of wireless signals and power signals having different frequencies (S319). In this case, the wireless signal input in step S311 is a mobile communication signal of the company, and the plurality of wireless signals may include mobile communication signals of other companies.

Meanwhile, FIG. 15 is a hardware block diagram of an in-building network integration device according to an embodiment of the present invention, and shows hardware configurations of the signal combining device 100 and the signal coverage extension device 200 described in FIGS. 1 to 14.

Referring to FIG. 15, an in-building network integration device 2100 includes a communication device 2101, a memory 2103, and at least one processor 2105.

The communication device 2101 is connected to at least one processor 2105 to transmit and/or receive data. The memory 2103 is connected to at least one processor 2105 to store a signal processing program including instructions for executing the configuration and/or method according to the embodiments described in FIGS. 1 to 14. . The signal processing program is combined with hardware such as memory 2103 and at least one processor 2105 to implement the present invention.

The embodiments of the present invention described above are not implemented only through an apparatus and a method, but may be implemented through a program that realizes a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements by those skilled in the art using the basic concept of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

Claims (17)

A signal combining device for outputting a first multiple signal generated by combining a plurality of communication signals having different frequency bands to a transmission line, and
Remove the first Wi-Fi signal from which the signal is attenuated from the first multiple signal received from the signal combining device installed at the Wi-Fi signal attenuation point and connected to the transmission line, and the wired signal extracted from the first multiple signal is applied to the first Generates a second multi-signal by combining the second multi-signal from which the first WiFi signal has been removed and the second multi-signal from which the first WiFi signal has been removed, and outputs the second multi-signal to the transmission line Including a signal coverage extension device,
The first Wi-Fi signal,
In-building network integration device, which is a signal received from the service coverage of a Wi-Fi access point. In claim 1,
The signal coverage extension apparatus,
Converting the wired signal to an Ethernet signal, converting the Ethernet signal to the Wi-Fi signal, generating the second multi-signal based on the converted Wi-Fi signal, and radiating the converted Wi-Fi signal to the outside, in-building network Integrated device. In claim 1,
The signal combining device,
At least one communication input port for receiving the plurality of communication signals,
Power input port to receive power signals supplied from the power supply,
A signal combiner for generating a first multiple signal by combining the plurality of communication signals and the power signal, and
And an output port for outputting the first multiple signals to a transmission line,
The power signal is,
In-building network integration device supplied to at least one network device connected to the transmission line. In paragraph 3,
The signal coverage extension apparatus,
The in-building network integration device using the power signal detected from the first multiple signals as driving power. In paragraph 3,
Further comprising at least one distributor connected to the transmission line,
The at least one distributor,
Filtering the first multi-signal or the second multi-signal according to a plurality of frequency bands, and outputting the filtered frequency band signals to the transmission line together with a power signal. In clause 5,
Further comprising at least one network device connected to the at least one distributor,
The at least one network device,
A communication terminal receiving a wired signal of the first multi-signal from a distributor connected to a front end of the signal coverage expansion device, converting the wired signal to a Wi-Fi signal, and outputting the converted signal to a Wi-Fi access point, and
Wi-Fi device receiving the second multi-signal Wi-Fi signal from a distributor connected to the rear end of the signal coverage expansion device and radiating it to the outside
Including, in-building network integration device. In claim 1,
A concentrator that converts a data signal received from a network into a wired signal of a specific frequency band within a frequency range of 200 MHz or less and outputs it to the signal combining device
Further comprising, in-building network integration device. In clause 7,
A remote optical demux (DEMUX) that is connected to the concentrator through an optical line and separates and outputs a received optical transmission signal into a wired optical signal and a wireless optical signal, and
An optical mux for convergence that is connected to the remote optical demux through an optical line and transmits an optical transmission signal obtained by combining a wired optical signal received from an optical line terminal and a wireless optical signal received from a main hub unit to the remote optical demux. (MUX) is further included,
The concentrator,
The wireless digital signal photoelectrically converted from the wireless optical signal received from the remote optical demux is output to the signal combining device, and the wired digital signal photoelectrically converted from the wired optical signal is converted into a wired signal of the specific frequency band. An in-building network integration device that outputs to a signal combining device. In claim 1,
The transmission line,
In-building network integration device, including radio frequency cables or coaxial cables. An Ethernet signal generation unit that converts a wired signal extracted from the first multiplex signal in which a plurality of communication signals having different frequency bands received from a transmission line is combined into an Ethernet signal,
A band removal filter for removing the first Wi-Fi signal from which the signal is attenuated from the first multiple signal,
A Wi-Fi signal generator that converts the Ethernet signal into a second Wi-Fi signal different from the first Wi-Fi signal, and
A signal combiner configured to generate a second multi-signal by combining the first multi-signal from which the first WiFi signal is removed by passing through the band removal filter with the second WiFi signal, and outputting the second multi-signal to a transmission line. and,
Signal expansion device installed at the Wi-Fi signal attenuation point. In claim 10,
At least one Wi-Fi band antenna for radiating a wireless signal output from the Wi-Fi signal generator
Further comprising a signal expansion device. In claim 10,
A power supply unit that outputs driving power based on power signals detected from the first multiple signals
Further comprising a signal expansion device. In claim 10,
Further comprising a divider for separating the wired signal from the first multiple signal and outputting it to the Ethernet signal generator, and outputting the first multiple signal to the band elimination filter,
The distributor,
The signal expansion device for outputting the wired signal by setting different signal strengths of the first multi-signal. In claim 13,
The signal strength of the wired signal is,
The signal expansion device, which is output lower than the signal strength of the first multiple signal. Wired signal input port to receive wired signals,
At least one radio signal input port for receiving a plurality of radio signals having a plurality of different radio frequency bands,
A signal combiner for generating a first multiple signal by combining the wired signal and the plurality of wireless signals, and
And an output port for outputting the first multiple signals to a transmission line to which a signal coverage extension device is connected,
The first multiple signal,
After passing through the signal coverage extension device, it is converted into a second multi-signal and output to the transmission line,
The second multiple signal,
A signal combining device comprising: a first multi-signal from which a first Wi-Fi signal attenuated and a second Wi-Fi signal converted from the wired signal is combined by the signal coverage extension device installed at a Wi-Fi signal attenuation point. In paragraph 15,
Further comprising a power input port for receiving a power signal supplied from the power supply,
The signal combining unit,
Combine the wired signal, the plurality of wireless signals, and the power signal to generate multiple signals,
The power signal is,
The signal combining device supplied to the signal coverage extension device and at least one network device connected to the transmission line. In paragraph 15,
The wired signal input port,
Receiving the wired signal from the concentrator,
The concentrator,
Receives a wired optical signal and a wireless optical signal from a remote optical demux (DEMUX), photoelectrically converts the wired optical signal and the wireless optical signal, outputs the photoelectrically converted wired signal to the wired signal input port, and photoelectric conversion Outputs the wireless signal to the wireless signal input port,
The wired optical signal and the wireless optical signal,
It is included in one optical transmission signal and transmitted from an optical mux (MUX) for collection to the remote optical demux,
The one optical transmission signal,
The signal combining device is that the wired optical signal received from the optical line terminal and the wireless optical signal received from the digital unit are combined by the optical mux for converging (MUX).

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