KR20120122052A - Repeater system and repeater equipment supporting broadband communication and local area communication - Google Patents

Abstract

PURPOSE: A relay system for supporting broadband communication and local communication and repeater thereof are provided to reduce additional costs for wireless LAN(Local Area Network) facilities by simultaneously providing a broadband communication service and a local communication service. CONSTITUTION: A first network(100) provides a broadband communication environment. A relay apparatus(200) relays a broadband signal provided through the first network. A second network(300) provides a broadband communication environment or a local communication environment between the repeater and a client terminal(400). The repeater relays the broadband signal to a second network by amplifying and converting the broadband signal. The repeater relays a local signal provided to the second network to a first network by amplifying and converting the local signal. [Reference numerals] (100) First network; (200) Relay apparatus; (300) Second network; (400) Client terminal

Description

REPEATER SYSTEM AND REPEATER EQUIPMENT SUPPORTING BROADBAND COMMUNICATION AND LOCAL AREA COMMUNICATION}

The present invention relates to a data relay technology in a mobile communication network, and more particularly, to amplify and convert a downlink signal from a broadband network, for example, a wideband code division multiple access (WCDMA) network, to convert a local area network, such as Wi-Fi (WiFi). Wi-Fi) relays to the client terminal device in the network, and amplifies and converts an uplink signal from the client terminal device in the local area network to relay to the broadband network. A relay system and a relay device.

With the recent increase in smartphone users, call distribution and capacity increase for wireless data services of mobile communication providers are required. In a traffic-intensive area, there is a limit in accommodating the entire wireless data capacity required by the user only by the mobile communication service, and to solve this problem, by providing a short range wireless communication service such as Wi-Fi service simultaneously, Customer satisfaction can be improved through the distribution of calls and free services.

Currently, a method commonly used for short-range wireless communication service is to connect an access point (AP) to an internet wired infrastructure inside a building in a shaded area, or, if there is no internet wired infrastructure, a bridge that is a device for data conversion. We are extending the service area using.

Here, the bridge is used to connect communications between the broadband network and the local area network. For example, a bridge connects a wideband code division multiple access (WCDMA) network to a Wi-Fi network, or a WiBro network and a Wi-Fi network. By connecting, the communication service area can be extended.

This service expansion may incur additional costs for the installation of the AP as a separate relay device for the resolution of the mobile communication shadow area is required separately.

In addition, in the case of a general indoor bridge, since it is manufactured to use the internal antenna or the integrated antenna of the bridge itself, there is a restriction that the main body should be installed in a place where base station signal reception is possible, and walls or other obstacles in the short-range network service area also exist. As a result, signal attenuation does not provide efficient service compared to device output.

Therefore, in the embodiment of the present invention, the downlink signal is amplified and converted from a broadband network, for example, a WCDMA network, and relayed to a client terminal device in a local area network, for example, a Wi-Fi network, and transmitted from the client terminal device in the local area network. By amplifying and converting an uplink signal and relaying it to a broadband network, a communication relay technology capable of simultaneously providing broadband communication service and near field communication service in a radio wave shadow area is proposed.

In addition, the embodiment of the present invention, to reduce the additional cost according to the wireless LAN equipment and propose a communication relay technology that can provide an efficient wireless LAN service by sharing the antenna with the feeder for mobile communication.

According to the relay system for supporting broadband and short-range communication according to an embodiment of the present invention, a relay system for relaying a broadband network provided through the first network, a first network providing a broadband communication environment, the first network, and the relay A second network providing a broadband communication environment or a short-range communication environment between a device and a client terminal, wherein the relay device converts and amplifies a broadband signal provided through the first network to relay to the second network; The local area signal or the broadband signal provided through the second network may be amplified and converted to be relayed to the first network.

Here, the relay device may bridge the wideband signal of the first network into a short-range signal and divide the bandwidth according to each communication service frequency.

In addition, the relay device may band-spread the short-range signal or the broadband signal provided from the second network for each communication service frequency.

According to a relay device for supporting broadband communication and short-range communication according to an embodiment of the present invention, a broadband communication relay unit for providing a broadband communication service to a client terminal by relaying a broadband signal, and the broadband signal or the short-range signal for each communication service A multiplexer band-divided or band-combined for each frequency, and converts a wideband signal to a short-range signal among signals distributed through the multiplexer to a short-range signal or converts a short-range signal among signals distributed through the multiplexer to a wide-band signal for the broadband communication service And it may include a communication bridge unit for providing a short-range communication service.

Here, the multiplexer may include: a first multiplexer for band-distributing the wideband signal for each communication service frequency or for band-coupling a short-range signal provided through the communication bridge unit for each communication service frequency; and a broadband provided through the communication bridge unit. The signal may include a second multiplexer for band combining the signals for each communication service frequency or for distributing the short-range signals provided from the client terminal for each communication service frequency.

In addition, the communication bridge unit, a wideband communication module for digitally converting a wideband signal that is band-divided and input from the first multiplexer or converting a short-range signal that is band-coupled and input from the second multiplexer into a wideband signal, and the digital conversion The apparatus may include a short range communication module configured to convert the wideband signal into a short range signal or digitally convert a short range signal input by being band-divided by the second multiplexer.

The communication bridge unit may further include a signal processor configured to transfer the digital signal, which is digitally converted from the broadband communication module, to the short range communication module, or to transfer the short range signal provided from the short range communication module to the broadband communication module. have.

The communication relay device may further include a monitoring unit monitoring the state of the communication relay device in cooperation with the communication bridge unit.

The communication relay apparatus may amplify and convert a downlink signal from a broadband network to relay to a client terminal in a local area network, and amplify and convert an uplink signal from a client terminal in the local area network to relay to the broadband network. The broadband communication service and the short range communication service may be simultaneously provided.

According to the present invention, an amplified and converted downlink signal from a broadband network is relayed to a client terminal device in a local area network, and an uplink signal from a client terminal device in a local area network is amplified and converted to be relayed to a broadband network. At the same time, a broadband communication service and a near field communication service may be provided. Therefore, it is possible to provide an efficient WLAN service by reducing the additional cost according to the WLAN equipment and sharing the antenna with the mobile communication feeder.

1 is a schematic block diagram of a relay system supporting broadband communication and short-range communication according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a relay device supporting broadband communication and short-range communication according to an embodiment of the present invention; FIG.
3 is a detailed block diagram of the communication bridge of FIG. 2;
4 is a detailed block diagram of a broadband communication relay of FIG.

Advantages and features of the present invention, and methods of achieving the same will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, it is to be understood that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It is intended that the disclosure of the present invention be limited only by the terms of the appended claims. Like numbers refer to like elements throughout.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In addition, terms to be described below are terms defined in consideration of functions in an embodiment of the present invention, which may vary according to intention or custom of a user or an operator. Therefore, the definition should be based on the contents throughout this specification.

Prior to the description of the embodiment, the present invention provides a client terminal device in a local area network, for example, a Wi-Fi network, by amplifying and converting a downlink signal from a broadband network, for example, a Wideband Code Division Multiple Access (WCDMA) network. The present invention provides a broadband communication service and a short-range communication service simultaneously in a radio shadow area by amplifying and converting an uplink signal from a client terminal device in a local area network and relaying it to a broadband network.

Specifically, in the present invention, by mounting a short-range communication module directly to the relay device, the power supply for mobile communication is supplied, and a multiplexer (Multiplex) is mounted at the input and output terminals so as to combine and distribute frequencies for each service, sharing a feeder line and an antenna. By doing so, the object of the present invention can be easily achieved from the technical idea.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic block diagram of a relay system supporting broadband communication and short-range communication according to an embodiment of the present invention. The first network 100, the relay device 200, the second network 300, and a client are shown in FIG. Terminal group 400 and the like.

As shown in FIG. 1, the first network 100 is, for example, a broadband network that communicates a broadband signal with the relay apparatus 200, and may support both a synchronous method and an asynchronous method.

Here, in the case of synchronous, the base station will be a base transceiver station (BTS), the base station controller will be a base station controller (BSC), in the case of asynchronous, the base station is a Node B (Node B), and the base station controller is a Radio Network Controller (RNC). Will be. Of course, the broadband network is not limited thereto, and may include a code division multiple access (CDMA) network, a WCDMA network, a global system for mobile communication (GSM) network, and an access network of all future mobile communication systems.

The relay device 200 according to an embodiment of the present invention converts and amplifies a wideband signal (downlink signal) provided through the first network 100 to the second network 300 or relays the second network 300. And amplifies and converts a short-range signal or a wideband signal (uplink signal) provided through the N-A network to relay to the first network 100.

In this case, the relay device 200 may bridge a wideband signal of the first network 100 as a short-range signal according to an exemplary embodiment of the present invention to distribute bandwidth by each communication service frequency. For example, the relay device 200 distributes a wideband signal (for example, a CDMA signal or a WCDMA signal or a WiBro signal or a Long Term Evolution (LTE) signal, etc.) to a communication band of a short range signal (for example, a Wi-Fi signal). Post-conversion and amplification can be performed.

In addition, the relay device 200 may perform a process of amplifying and converting a short-range signal or a broadband signal provided from the second network 300 to a communication band of the corresponding signal.

The second network 300 is, for example, a network providing a short range communication environment or a broadband communication environment between the relay device 200 and the client terminal group 400, and may include, for example, a communication environment such as Wi-Fi or CDMA or WCDMA or LTE. Can be.

The second network 300 may provide a short range signal or a broadband signal provided through the relay device 200 to the client terminal group 400, or may transmit a short range signal or a broadband signal from the client terminal group 400. It may serve to deliver to (200).

The client terminal group 400 includes a plurality of client terminals 400/1 to 400 / including a multimedia device group for providing a broadband communication service or a short-range communication service to a subscriber according to an embodiment of the present invention. N), for example, it may include various types of client terminals such as a video phone, a smart phone, a notepad, a laptop computer, a tablet computer, and the like.

The client terminal group 400 may provide a broadband communication service to a subscriber by interfacing with the above-described second network 300 through a broadband connection, and may generate CDMA-based second generation, WCDMA-based third generation, or more generations. A broadband communication service including both a supporting wireless environment and an IP (Internet Protocol) based communication environment may be provided.

In addition, the client terminal group 400 may provide a short range communication service to a subscriber by interfacing with the aforementioned second network 300 through a short range connection. In this case, the short range communication service may be, for example, a short range communication service such as Wi-Fi.

FIG. 2 is a block diagram illustrating a relay device that supports broadband communication and short-range communication according to an embodiment of the present invention, for example, the relay device 200 of FIG. 1, and includes a first antenna 20, a coupler 22, and a modem. 24, a second antenna 26, a first multiplexer 202, a communication bridge unit 204, a second multiplexer 206, a broadband communication relay unit 208, a monitoring unit 210, and the like. have.

As shown in FIG. 2, the first multiplexer 202 may be a wideband signal, such as a CDMA signal or a WCDMA signal, from a first network 100 provided through a first antenna 20 and a coupler 22, or The WiBro signal may be divided into bands for each communication service frequency and provided to the communication bridge unit 204 or the broadband communication relay unit 208. For example, the WiBro signal may be provided to the communication bridge 204 and the CDMA signal or the WCDMA signal may be provided to the broadband communication relay 208.

In addition, the first multiplexer 202 band-couples the WiBro signal, the CDMA signal, or the WCDMA signal provided from the communication bridge unit 204 or the broadband communication relay unit 208 according to each communication service frequency to coupler 22 and the first multiplexer. One antenna 20 may be provided.

The communication bridge unit 204 according to an embodiment of the present invention may convert the broadband signals into short-range signals by converting them with each other so that the client terminal group 400 may provide the broadband communication service and the short-range communication service.

At this time, the communication bridge unit 204 according to an embodiment of the present invention, the broadband communication may be a WiBro-WiFi communication bridge unit is a Wi-Fi communication, the short-range communication is applied. However, this application is only for convenience in describing an embodiment of the present invention, and is not limited to the above-described communication bridge unit. For example, the CDMA-Wi-Fi communication bridge unit, the WCDMA-Wi-Fi communication bridge unit, or the LTE-Wi-Fi communication bridge unit may be variously applied.

The second multiplexer 206 may band-combine the communication signals provided from the communication bridge unit 204 or the broadband communication relay unit 208 for each communication service frequency and provide them to the second antenna 26.

For example, the Wi-Fi signal provided from the communication bridge unit 204 may be band-coupled to a short range communication service frequency and provided to the second antenna 26, and the CDMA signal or WCDMA provided from the broadband communication relay unit 208. The signal may be band-coupled to a wideband communication service frequency and provided to the second antenna 206.

In addition, the second multiplexer 206 divides the signal of the client terminal provided from the second antenna 26, for example, a Wi-Fi signal, a CDMA signal, or a WCDMA signal, by each communication service frequency, thereby communicating the communication bridge unit 204. Alternatively, it may be provided to the broadband communication relay unit 208.

For example, the Wi-Fi signal provided from the second antenna 26 may be distributed to the communication bridge unit 204 by band-specifying the short-range communication service frequency, and the CDMA signal or WCDMA signal provided from the second antenna 26 may be provided. The band may be distributed to the broadband communication service frequency and provided to the broadband communication relay unit 208.

The broadband communication relay unit 208 may serve to relay the broadband signal between the first multiplexer 202 and the second multiplexer 206. The wideband signal herein may include, for example, a CDMA signal or a WCDMA signal.

In FIG. 2, one broadband communication relay unit is illustrated, but this is only illustrated for convenience of description and that a broadband communication relay unit for relaying a CDMA signal and a broadband communication relay unit for relaying a WCDMA signal may be provided separately. I need to understand.

The monitoring unit 210 may be wirelessly connected to a separate remote monitoring server in conjunction with the modem 24. In addition, the monitoring unit 210 may monitor the operation state of the communication bridge unit 204 in cooperation with the communication bridge unit 204. Monitoring information of the monitoring unit 210 may be transmitted to the above-described remote monitoring server. That is, some of the signals received through the first antenna 20 may be input to the modem 24 through the coupler 22, the monitoring unit 210 may monitor the state of the relay device 200. have.

3 is a block diagram illustrating a detailed configuration of the communication bridge unit 204 of FIG. 2, and includes a broadband communication module 2040, a signal processing unit 2042, a short range communication module 2044, an amplifier 2046, and a switching unit. (2048) and the like.

As illustrated in FIG. 3, the broadband communication module 2040 may serve to digitally convert a wideband signal, for example, a WiBro signal, which is distributed and input from the first multiplexer 202, to the signal processor 2042. In addition, the broadband communication module 2040 may serve to convert a short-range signal, for example, a Wi-Fi signal, which is combined and input from the second multiplexer 206 into a WiBro signal, which is a broadband signal.

The signal processing unit 2042 may be associated with operating devices in the communication bridge unit 204, for example, a RAM, a communication device, and the like, and may include a digitally converted wideband signal provided from the broadband communication module 2040. Or a short-range signal provided from the short-range communication module 2044 to the broadband communication module 2040.

The short range communication module 2044 may convert a wideband signal (WiBro signal) transmitted from the signal processor 2042 into a short range signal, for example, a Wi-Fi signal. In addition, the short-range communication module 2044 may serve to digitally convert a short-range signal (Wi-Fi signal) provided through the amplifier 2046 to be described later.

The amplifier 2046 amplifies the near field signal from the near field communication module 2044 or the near field signal from the switching unit 2048, and the switching unit 2048 may convert the near field signal amplified by the amplifying unit 2046. Switching may serve to provide to the second multiplexer 206.

4 illustrates a detailed configuration of the broadband communication relay unit 208 of FIG.

As shown in FIG. 4, the broadband communication relay unit 208 includes a first amplifier 208a, a first attenuator 208b, a first mixer 208c, a first band filter 208d, and a second mixer 208e. ), Second amplifier 208f, third amplifier 208g, fourth amplifier 208h, third mixer 208i, second band filter 208j, fourth mixer 208k, fifth amplifier 208l ), A second attenuator 208m, a seventh amplifier 208n, and the like.

In the following description, a function of a relay device for supporting broadband communication and short-range communication according to the present invention will be exemplarily described by dividing the downlink and the uplink with reference to the above-described configuration, and the relay device 200 will be described. The wideband signal communicated through the WCDMA signal and the WiBro signal will be exemplified.

First, the downlink will be described.

The WCDMA signal received from the first network 100 through the antenna 20 may be band-specified for each communication service frequency through the first multiplexer 202.

The WCDMA signal may be input to the broadband communication relay unit 208, and the WCDMA signal input to the broadband communication relay unit 208 may be amplified through the first amplifier 208a to adjust the gain of the relay device 200. May pass through the first attenuator 208b.

The WCDMA signal is converted to an intermediate frequency through the first mixer 208c, and then the out-of-band signal components are removed through the first band filter 208d and then converted back to the original frequency through the second mixer 208e. Can be.

The reconverted WCDMA signal may be finally amplified by the third amplifier 208g after an intermediate amplification process of the second amplifier 208f, and then input to terminals of respective communication services of the second multiplexer 206.

Meanwhile, the WiBro signal may be input to the wideband communication module 2040 of the communication bridge unit 204 and then converted into a digital signal. The WiBro signal may be transferred to the short range communication module 2044 through the signal processing unit 2042 and may be a short range signal, for example. Can be converted to a Wi-Fi signal.

The converted Wi-Fi signal (RF signal) may be amplified by the amplifier 2046 and then input to the corresponding service terminal of the second multiplexer 206 via the switching unit 2048.

The second multiplexer 206 is configured to share a feed line by band combining the signals input to each terminal for each frequency, and emits a Wi-Fi signal to the client terminal group 400 by radiating through the second antenna 26 of the multi-band. RF signal) can be transmitted.

Although one broadband communication module is illustrated in FIG. 3, it should be noted that two broadband communication modules may be used to increase data processing capacity.

Next, the uplink will be described.

First, the multi-band signal received from the client terminal group 400 through the multi-band antenna 26 may be band-split by each communication service frequency through the second multiplexer 206. In this case, the multi-band signal may include, for example, a CDMA signal or a WCDMA signal or a Wi-Fi signal.

The CDMA signal or WCDMA signal may be amplified via a fourth amplifier 208h (low noise amplifier) of the broadband communication relay 208 and then converted to an intermediate frequency through a third mixer 208i.

The signal converted to the intermediate frequency may be input to the second band filter 208j, and the signal input to the second band filter 208j may be obtained through the fourth mixer 208k after the out-of-band signal component is removed. Can be reconverted to frequency.

The signal passing through the fourth mixer 208k may undergo an intermediate amplification process in the fifth amplifier 208l, and the signal after the intermediate amplification process may include a second attenuator 208m that adjusts the gain of the relay device 200. After passing, the terminal may be input to a terminal for each communication service frequency of the first multiplexer 202 through the sixth amplifier 208n (final amplifier stage).

Meanwhile, the Wi-Fi signal, which is a short-range signal, may be band-distributed through the second multiplexer 206, and the Wi-Fi signal, which is band-distributed, may be applied to the communication bridge unit 204.

The Wi-Fi signal applied to the communication bridge unit 204 is provided to the amplifier 2046 via the switching unit 2048 in the communication bridge unit 204, and may be amplified by the amplifier 2046.

The amplified signal may be converted into a digital signal through the short range communication module 2044, and then input to the broadband communication module 2040 through the signal processor 2042, and the short range communication module 2040 may transmit the short range signal (Wi-Fi). Signal) can be converted into a wideband signal (WiBro signal).

The signal converted into the RF frequency of the WiBro signal may be input to a corresponding communication service terminal of the first multiplexer 202.

The first multiplexer 202 can share a feed line by band combining the signals input to each terminal for each frequency, and can transmit an RF signal to the first network 100 by radiating through a multi-band antenna 20. Will be.

On the other hand, some of the signals received through the antenna 20 may be input to the mobile communication modem 24 for remote monitoring of the relay device 200 through the coupler 22, the inside of the relay device 200 The monitoring unit 210 may be wirelessly connected to a separate remote monitoring server in conjunction with the above-described modem 24.

In addition, the monitoring unit 210 of the relay device 200 may be linked with the communication bridge unit 204 to monitor the information on the operating state of the communication bridge unit 204, and may transmit it to the remote monitoring server.

In general, the remote monitoring of the bridge unit has a separate high-level monitoring network, but by monitoring the main status information of the bridge unit in the remote monitoring server, it will be possible to raise awareness of the failure.

As described above, the embodiment of the present invention amplifies and converts a downlink signal from a broadband network and relays it to a client terminal device in a local area network, and amplifies and converts an uplink signal from a client terminal device in a local area network. It is implemented to provide broadband communication service and short-range communication service at the same time in the radio shadow area by relaying.

According to an embodiment of the present invention, by mounting the wireless LAN device in a mobile communication relay unit integrally, it is possible to reduce the cost increase due to the installation of the wireless LAN device and to provide an efficient service. In addition, when additional wireless LAN service is to be installed in the area where the existing mobile communication relay device is installed, the mobile communication and wireless LAN service can be added without additional facilities by exchanging with the device proposed in the present invention. It is expected to be possible to build.

100: first network 200: relay device 202: first multiplexer
204: communication bridge portion 206: second multiplexer 208: broadband communication relay portion
210: monitoring unit 300: second network 400: client terminal group

Claims (7)

A first network providing a broadband communication environment,
A relay device for relaying a broadband signal provided through the first network;
A second network providing a broadband communication environment or a short-range communication environment between the relay device and a client terminal,
The relay device,
Converting and amplifying a broadband signal provided through the first network to relay to the second network, or amplifying and converting a short range signal or broadband signal provided through the second network to relay to the first network.
Communication relay system. A broadband communication relay unit which provides a broadband communication service to a client terminal by relaying a broadband signal;
A multiplexer for band-dividing or band-combining the wideband signal or short-range signal for each communication service frequency;
A communication bridge unit which converts a wideband signal of the signals distributed through the multiplexer into a short range signal or converts a short range signal of the signals distributed through the multiplexer into a wideband signal to provide the broadband communication service and the short range communication service. Containing
Communication relay device. The method of claim 2,
The multiplexer comprising:
A first multiplexer for band-distributing the wideband signal for each communication service frequency or for band-coupling a short-range signal provided through the communication bridge unit for each communication service frequency;
And a second multiplexer for band combining the broadband signal provided through the communication bridge unit for each communication service frequency or for distributing the short range signal provided from the client terminal for each communication service frequency.
Communication relay device. The method of claim 3, wherein
The communication bridge unit,
A wideband communication module for digitally converting a wideband signal that is band-divided and input by the first multiplexer or converting a short-range signal that is band-coupled and input by the second multiplexer to a wideband signal;
A short range communication module for converting the digitally converted wideband signal into a short range signal or digitally converting a short range signal input by being band-divided by the second multiplexer;
Communication relay device. The method of claim 3, wherein
The communication bridge unit,
And a signal processor configured to transfer the digital signal, which is digitally converted from the broadband communication module, to the short range communication module, or to transfer the short range signal provided from the short range communication module to the broadband communication module.
Communication relay device. The method of claim 2,
The communication relay device,
Further comprising a monitoring unit for monitoring the state of the communication relay device in conjunction with the communication bridge unit
Communication relay device. The method of claim 2,
The communication relay device,
Amplifying and converting a downlink signal from a broadband network to relay to a client terminal in a local area network, and amplifying and converting an uplink signal from a client terminal in the local area network and relaying the uplink signal to the broadband network, thereby communicating with the broadband communication service. Providing services at the same time
Communication relay device.

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