KR101017453B1 - Apparatus and method for measuring quality for wireless environment - Google Patents

Abstract

The present invention relates to an apparatus and method for measuring wireless environmental quality, and more particularly, to an apparatus and method for wireless environmental quality measurement, which collects wireless environmental quality related data from a mobile terminal and transmits the wireless environmental quality related data to an apparatus for analyzing wireless environmental quality. It is about.

An apparatus for measuring wireless environment quality according to an embodiment of the present invention includes a data collector for collecting wireless environment quality related data according to a mobile communication network used by the mobile terminal from a mobile terminal, and a data storage unit for storing the collected data. And a data transmission unit for transmitting the stored data to an apparatus for analyzing the data.

Wireless, quality, RF, DM, LBS

Description

Apparatus and method for measuring quality for wireless environment

The present invention relates to an apparatus and method for measuring wireless environmental quality, and more particularly, to an apparatus and method for wireless environmental quality measurement, which collects wireless environmental quality related data from a mobile terminal and transmits the wireless environmental quality related data to an apparatus for analyzing wireless environmental quality. It is about.

In general, an RF signal parameter of a mobile terminal is measured as one method for analyzing the transmission / reception performance of the mobile terminal in a mobile communication network.

As described above, in order to measure the RF signal parameter of the mobile terminal, data related to radio environment quality is collected by using a device capable of measuring the RF signal parameter of the mobile terminal.

For example, at a place where the RF signal parameter is to be measured, the mobile terminal is connected to a device capable of measuring the RF signal parameter, and a program embedded in the device capable of measuring the RF signal parameter is generated by the mobile terminal. RF signal parameters are measured.

If you look at the method of measuring the RF signal parameters by location, the RF signal parameters are measured while driving on the road using a vehicle equipped with equipment that can measure the RF signal parameters on the road. After moving equipment that can measure RF signal parameters to a location, it measures RF signal parameters. In addition, as a method of measuring the RF signal parameter, in addition to the method of connecting the equipment capable of measuring the RF signal parameter to the mobile terminal as described above, a method of measuring through the debug screen of the mobile terminal is also used.

However, when measuring the RF signal parameters by connecting the equipment capable of measuring the RF signal parameters with the mobile terminal, it is difficult to carry due to the large volume of the equipment and must separately purchase equipment according to the mobile communication network used by the mobile terminal. Therefore, a high cost is generated due to equipment purchase, and when measuring RF signal parameters through a debug screen of a mobile terminal, there is a problem that a call is difficult during measurement.

Therefore, there is a need for a method for measuring RF signal parameters that is easy to carry at low cost and does not inconvenience communication.

The present invention has been made in view of the above problems, and collects wireless environment quality-related data from a mobile terminal using equipment that is portable and inexpensive, and uses separate equipment for each mobile communication network used by the mobile terminal. An object of the present invention is to provide an apparatus and method for measuring wireless environment quality, which can collect wireless environment quality related data by distinguishing a mobile communication network used by a mobile terminal.

The object of the present invention is not limited to the above-mentioned object, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

An apparatus for measuring wireless environment quality according to an embodiment of the present invention for achieving the above object, the data collection unit for collecting the wireless environment quality related data according to the mobile communication network used by the mobile terminal from the mobile terminal, the collection And a data transmission unit for storing the data, and a data transmission unit for transmitting the stored data to an apparatus for analyzing the data.

In order to achieve the above object, a method for measuring wireless environment quality according to an embodiment of the present invention may include collecting data related to wireless environment quality according to a mobile communication network used by the mobile terminal from the mobile terminal, wherein the collected data is collected. Storing the data, and transmitting the stored data to a device for analyzing the data.

According to the apparatus and method for measuring wireless environment quality according to an embodiment of the present invention, the following effects are obtained.

It is possible to reduce the cost because it is possible to measure the wireless environment quality by using a portable device that is easy to carry and inexpensive without purchasing equipment for measuring the wireless environment quality for each mobile communication network used by the mobile terminal. have.

In addition, since the wireless environment quality can be measured by classifying the mobile communication network used by the mobile terminal, there is an effect that the mobile terminal is not limited.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Hereinafter, with reference to the drawings for the configuration or processing flow chart for explaining the apparatus and method for measuring the wireless environment quality according to embodiments of the present invention will be described in detail for the implementation of the present invention.

At this time, it is to be understood that like reference numerals refer to like elements throughout the specification, and that each configuration of the flowchart illustrations and combinations of flowchart illustrations may be performed by computer program instructions.

Since these computer program instructions may be mounted on a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment, those instructions executed through the processor of the computer or other programmable data processing equipment may be described in the flowchart configuration (s). It creates a means to perform the functions.

These computer program instructions may be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular manner, and thus the computer usable or computer readable memory. It is also possible for the instructions stored in to produce an article of manufacture containing instruction means for performing the functions described in the flowchart configuration (s).

Computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operating steps may be performed on the computer or other programmable data processing equipment to create a computer-implemented process to create a computer or other programmable data. Instructions for performing the processing equipment may also provide steps for performing the functions described in the flowchart configuration (s).

In addition, each arrangement may represent a module, segment, or portion of code that includes one or more executable instructions for executing a specified logical function (s).

It should also be noted that in some alternative embodiments, the functions noted in the configurations may occur out of order. For example, the two components shown in succession may in fact be performed substantially simultaneously or the components may sometimes be performed in the reverse order, depending on the function in question.

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

1 is a block diagram illustrating a UMTS communication network according to an embodiment of the present invention.

The UMTS communication network 100 according to the embodiment of the present invention includes a mobile terminal (User Equipment, hereinafter referred to as "UE") 110, a radio access network (UMTS Terrestrial RAN) consisting of one or more Radio Network Subsytem (RNS) 120 and a core network 130 connected to the UTRAN 120 and responsive to the connection with the external network 140 (hereinafter referred to as "CN").

The UE 110 may include personal digital assistants (PDAs), computers, and the like having wireless communication functions as well as devices used for wireless communication. The UE 10 may be fixed or mobile, and may be called terms such as a mobile station (MS), a user terminal (UT), a subscriber station (SS), a wireless device, and the like, but is not limited thereto.

The UTRAN 120 includes one or more RNSs, each of which controls a plurality of base stations 122 and one base station 122 applying a radio access standard of the 3rd Generation Partnership Project (3GPP) standard to support WCDMA. A base station controller (hereinafter referred to as "RNC") 124. The UTRAN 120 transmits a call request signal or the like from the UE 110 to the CN 130.

The base station 122 establishes a radio physical channel required for data exchange with the UE 110 according to the control information transmitted from the RNC 124, and transmits data transmitted from the upper layer protocol to the UE 110 according to a wireless environment. do. Along with this, data received from the UE 110 is transferred to an upper layer protocol of the RNC 124. The base station 122 supports various radio access technologies such as channel coding, interleaving, modulation, and demodulation for data transmission in a wireless section. The base station 122 generally refers to a fixed station that communicates with the UE 110 and includes terms such as node-B, base transceiver system (BTS), and access point. It may be called, but is not limited thereto.

The RNC 124 dynamically allocates radio resources of the wireless communication system and controls the base station 122. The RNC 124 manages wired and wireless channels, protocol matching of the mobile communication UE 110, and protocol matching of the base station. Soft Handoff processing, protocol matching with CN 130, General Packet Radio Service (GPRS) access, fault management, system loading (Loading) and the like. The RNC 124 serves as an access point for services provided through the CN 130. In addition, a resource for managing a dedicated radio resource allocated to each UE is called a SRNS (Serving RNS).

In addition, in the embodiment of the present invention, the RNC in which the UE 110 is currently located is referred to as a source RNC (S-RNC), and the RNC which the UE 110 intends to hand over is called a T-RNC (Target RNC). When the 110 hands over from the S-RNC to the T-RNC, an SRNS relocation procedure is performed.

The circuit switching center (Mobile Switching Center, hereinafter referred to as "MSC") (131a) transfers the incoming or outgoing signal from the base station 122, the exchange between the mobile subscribers, fixed network such as mobile communication subscribers and PSTN, ISDN Provide exchange function with subscribers. The MSC 131a processes basic and additional services, processes an incoming signal of the mobile communication UE 110 in association with an existing network or another network, and processes location registration and handoff.

Circuit switching gateway (Gateway MSC, hereinafter referred to as "GMSC") (131b) is a gateway (Gateway) at the point that is connected to the external network 140 through the MSC (131a). All circuit switched connections are made via GMSC 131b.

It may be referred to as a circuit switching unit 131 including the MSC 131a and the GMSC 131b, and the circuit switching unit 131 establishes a communication path with the UE 110 through the circuit switching connection.

A packet switching support node (Serving GPRS Support Node, hereinafter referred to as "SGSN") 132a is a session for handling mobility management, origination / reception signal processing, and packet data transmission / reception of the UE 110 for GPRS service. (Sess i on) Supports management, authentication and billing functions. It also has a routing processing function of packet data.

A packet switching gateway (Gateway GPRS Support Node, hereinafter referred to as "GGSN") 132b is a serving node of an IP (Internet Protocol) based packet network that provides a high speed packet data service for GPRS data service. It manages session for packet data service, performs routing processing of packet data, and provides interface for connecting WDCMA network and Internet network.

The packet switch 132 may be referred to as the SGSN 132a and the GGSN 132b. The packet exchange unit 132 transmits and receives data in a packet unit in transmitting and receiving data of the UE 110.

The external network 140 is a network connected to the outside through the circuit switching unit 131 or the packet switching unit 132. The circuit switching unit 131 is related to the transmission and reception of circuits such as voice calls. The circuit switching unit 131 may be a public switched telephone network (PSTN), an integrated services digital network (ISDN), or a public land mobile network (PLMN). The packet exchange unit 132 is related to the transmission and reception of packets. The packet exchange unit 132 may be an Internet Protocol (IP) network such as the Internet.

The home location register (HLR) 133 stores and manages the location information of the subscriber, and the authentication center (AuC) generates an authentication vector and performs a subscriber authentication function. In general, the authentication center (AuC) is interlocked with the HLR 133 and they can exchange information with each other.

The Equipment Identity Register (hereinafter referred to as "EIR") 134 checks or manages identification information related to hardware of the UE 110. The EIR 134 stores stolen and lost terminal information. The EIR 134 compares terminal information received from the MSC 131a with pre-stored terminal information when requesting subscriber authentication and location registration. You can decide whether or not. To this end, the EIR 134 stores the information of the stolen and lost terminals in a black list.

In such a UMTS communication network 100 as a method for providing an optimal mobile communication service to the UE (110), it measures the RF signal parameters of the UE (110) to determine the shadow area in advance and take action. According to the present invention, in measuring the RF signal parameter of the UE 110 as described above, the call of the UE 110 is possible to measure the RF signal parameter using a low cost and portable equipment.

2 is a block diagram illustrating an apparatus for measuring wireless environment quality according to an embodiment of the present invention. Although not shown in FIG. 2, the same reference numerals will be used for the same elements as those of FIG. 1. In addition, the embodiment of the present invention has been described in the case where the UE 110 uses the WCDMA network as shown in FIG. 1 as an example, but this is only an example to help understanding of the present invention. It is also possible to use a CDMA network and a GSM network.

As shown, the apparatus 200 for measuring the wireless environment quality according to an embodiment of the present invention, the data collector 210, the data storage unit 220, the data transmission unit 230 and the display unit 240 The data collection unit 210 may include a mobile communication network determination unit 211 for determining a mobile communication network used by the UE 110 and a connection determination unit 212 for determining whether to connect with the UE 110. It may include.

The data collector 210 may collect wireless environment quality related data, and the wireless environment quality related data may include DM (Data Management) data and LBS (Location Based Service) data.

In this case, in the embodiment of the present invention, DM data is collected from the UE 110, and the LBS data is measured and collected by the apparatus 200 for measuring wireless environment quality according to an embodiment of the present invention. Although it will be described, this is only an example to help understanding of the present invention, the UE 110 is equipped with a function related to the Global Positioning System (GPS), LBS data may be collected from the UE 110, or Equipment may be used to collect LBS data from, but is not limited thereto.

Therefore, when the data collector 210 measures and collects LBS data by itself in the apparatus 200 for measuring wireless environment quality according to an embodiment of the present invention, the location-based service unit 250 for collecting LBS data It may include. Of course, the location-based service unit 250 may be omitted when LBS data is collected from the UE (110).

In the embodiment of the present invention, the DM data may include Received Signal Strength Indication (RSSI), Energy per Chip over the Interface Noise (Ec / Io), Tx_Adjust, and Tx_Power, but are not limited thereto. In addition, the size of the DM data may be different depending on the type of mobile communication network used by the UE (110). For example, when the UE 110 uses the WCDMA network, the size of the DM data is relatively larger than that of the CDMA network.

In addition, in the embodiment of the present invention, LBS data may include a measurement time, latitude, longitude and altitude, but is not limited thereto.

The data collector 210 determines whether the UE 110 is connected to the UE 110, and if it is determined that the UE is connected, the data collector 210 determines whether the UE is connected to the UE 110. Collect data on environmental quality. At this time, in the embodiment of the present invention, the apparatus 200 for measuring the wireless environment quality is described as an example of being connected to the UE 110 through serial communication such as RS232 / 422/485, but is not limited thereto. Do not. Accordingly, the connection determination unit 212 determines whether the apparatus 200 for measuring the wireless environment quality according to the embodiment of the present invention and the UE 110 are connected through the aforementioned serial communication.

The mobile communication network determiner 211 enables the data collector 210 to collect data related to radio environment quality of the corresponding mobile communication network according to whether the UE 110 uses a WCDMA network or a CDMA network. Therefore, the apparatus 200 for measuring the wireless environment quality according to the embodiment of the present invention uses the CDMA network, and the UE 110 collects the wireless environment quality related data even when the WCDMA network is used or vice versa. It becomes possible. In this case, the mobile communication network determination unit 211 may determine the mobile communication network according to the size of the DM data as described above, but is not limited thereto.

In addition, in the exemplary embodiment of the present invention, a case in which the data collection unit 210 is included in the apparatus 200 for measuring wireless environment quality according to the exemplary embodiment of the present invention is described as an example. It is merely an example for helping, but is not limited thereto and may be separately configured and connected. As such, when the data collector 210 is separately configured, the apparatus 200 for measuring wireless environment quality of the present invention may measure quality without being limited to the mobile communication network. Accordingly, the apparatus 200 for measuring wireless environment quality of the present invention may be a device using a mobile communication network of a zone such as a PDA, and includes a data collector 210 on the PDA and collects data related to wireless environment quality. In case of installing a driving program to install the program, it is easy to carry and can collect data related to the wireless environment quality using a PDA or the like without additional cost. That is, even when the PDA uses the CDMA network and the UE 110 uses the WCDMA network, it is possible to collect radio environment quality related data.

The data storage unit 220 may store wireless environment quality related data collected through the data collection unit 210, and the data transmitter 230 may analyze the wireless environment quality related data stored therein (hereinafter, referred to as a wireless environment quality related data). , An "analysis apparatus". In this case, the analysis device may be connected to the device 200 for measuring the wireless environment quality of the present invention through wireless or wired communication.

As a method for transmitting the data collected by the data collector 210 to the analysis device, the data transmitter 230 supports a mobile communication network supported by the apparatus 200 for measuring wireless environment quality according to an embodiment of the present invention. It can be used or a separate mobile communication network, or an IP network such as the Internet. As such, the apparatus 200 for measuring wireless environment quality according to an embodiment of the present invention is preferably a terminal such as a PDA for transmitting wireless environment quality related data to an analysis device through wireless or wired communication, but is not limited thereto. Do not. In addition, since the data transmission unit 230 may cause a delay in data transmission when the size of the wireless environment quality related data stored in the data storage unit 220 is large, the apparatus 200 for measuring the wireless environment quality of the present invention 200 Compared to the), the wireless environment quality-related data may be transmitted to a device such as a PC having a relatively high processing performance, and then transmitted from the PC to the analysis device, but is not limited thereto.

In this case, after the data transmission unit 230 transmits the wireless environment quality related data to a device such as a PC, the wireless environment quality related data after the transmission may be deleted from the data storage unit 220.

The display 240 may receive and display a debug screen provided by the UE 110 to measure wireless environment quality. For example, the apparatus 200 for measuring wireless environment quality according to an exemplary embodiment of the present invention may be connected to the UE 110 and then receive a debug screen from the UE 110 and display it.

3 is a flowchart illustrating a method for measuring wireless environment quality according to an embodiment of the present invention. In this case, FIG. 3 may be understood as a method of operating the apparatus for measuring wireless environment quality of FIG. 2 described above.

As shown, in the method for measuring the wireless environment quality according to the embodiment of the present invention, if it is determined that the first connection with the UE 110, the mobile communication network used by the UE 110 is determined (S110). According to the result, the radio environment quality related data is collected from the UE 110 (S120).

In this case, the collected wireless environment quality related data may include DM data and LBS data as described above. In addition, in the embodiment of the present invention, DM data is collected from the UE 110, and LBS data is collected by the apparatus 200 for measuring radio environment quality according to an embodiment of the present invention. do.

When the wireless environment quality related data is collected, the collected wireless environment quality related data is stored (S130), and the stored wireless environment quality related data is transmitted to the apparatus for analyzing the wireless environment quality related data (S140).

As such, since the apparatus for collecting the wireless environment quality related data may collect the data by dividing the mobile communication network used by the UE 110, the data collection may be performed without purchasing additional equipment.

4 is a flowchart illustrating a method of collecting wireless environment quality related data according to an embodiment of the present invention. In this case, in FIG. 4, DM data of wireless environment quality related data is collected from UE 110, and LBS data is collected by an apparatus 200 for measuring wireless environment quality.

As shown, in the method for collecting wireless environment quality data according to an embodiment of the present invention, first, when it is determined that the connection determination unit 212 is connected to the UE 110, a message indicating a connection is transmitted. 210 is delivered to (S210). In this case, although not shown in FIG. 4, the mobile communication network determiner 211 determines a mobile communication network used by the UE 110 when connected to the UE 110 and transmits the mobile communication network to the data collector 210.

When the data collection unit 210 is connected to the UE 110 and receives the mobile communication network used by the UE 110, the data collector 210 transmits a message requesting DM data to the UE 110 (S220) and the UE 110. At step S230, DM data is transmitted according to the request of the data collecting unit 210.

When the DM data is transferred from the UE 110, the data collector 210 transmits the DM data to the data storage 220 (S240).

In addition, the data collector 210 transmits a message requesting the LBS data to the location-based service unit 250 to collect LBS data together with the above-described DM data (S250), and location-based service unit 250 Is to deliver the LBS data according to the request of the data collector 210 (S260). Thereafter, the data collection unit 210 transmits the received LBS data to the data storage unit 220 (S270).

The above-described process may be repeatedly performed until the message indicating that the connection with the UE 110 is released from the connection determination unit 212 is transmitted (S280).

Meanwhile, in FIG. 4, the DM data is collected and then the LBS data is collected. For example, the DM data and the LBS are not limited thereto. The data may be collected in reverse order, or may be collected at the same time.

5 is a flowchart illustrating a method of transmitting data related to radio environment quality according to an embodiment of the present invention. In this case, in FIG. 5, the time point at which the collected data is transmitted to the analysis device will be described as an example of the time point when the connection with the UE 110 is released, but this is merely an example to help understanding of the present invention. The time point for transmitting the collected data to the analysis device is not limited thereto and may be changed according to the operator policy or the network state.

As shown, in the method for transmitting data related to radio environment quality according to an embodiment of the present invention, when a message indicating that the connection with the UE 110 has been released from the connection determination unit 212 is received (S310), The collection unit 210 performs a connection procedure with the analysis device 300 (S320).

Thereafter, the data collection unit 210 extracts the stored data from the data storage unit 220 (S330), and transmits the extracted data to the analysis device 300 (S340).

In this case, as described above, a transmission medium for transmitting the extracted data to the analysis device 300 may be a wired or wireless medium.

In addition, in FIG. 5 described above, a case in which data related to wireless environment quality is directly transmitted to the analysis device 300 from the apparatus 200 for measuring wireless environment quality according to an embodiment of the present invention is described as an example. If the size of the wireless environment quality related data is not limited, the data may be transmitted to a PC and then transmitted to the analysis device 300.

6 is a flowchart illustrating a debug screen display method according to an embodiment of the present invention.

As shown, the method for displaying a debug screen according to an embodiment of the present invention, in the state in which the device 200 and the UE 110 for the wireless environment quality measurement according to an embodiment of the present invention, the wireless environment When a message indicating a debug start request is transmitted from the device 200 for quality measurement to the UE 110 (S410), the UE 110 transmits a debug message (S420).

The apparatus 200 for measuring wireless environment quality parses the transmitted debug message (S430), and displays the parsed result through the display unit 240 (S440).

Meanwhile, when it is desired to finish displaying the debug screen, the device 200 for measuring the wireless environment quality transmits a message indicating the end of debug to the UE 110 (S450).

As described above with reference to FIG. 6, the debug screen displayed on the display unit 240 may display DM data collected by the data collector 210 from the UE 110 as shown in FIG. 7.

On the other hand, the components or '~' used in this embodiment is software such as tasks, classes, subroutines, processes, objects, execution threads, programs, or FPGAs (field-) that are performed in a predetermined area on the memory. It may be implemented in hardware such as a programmable gate array or an application-specific integrated circuit (ASIC), or may be a combination of the software and hardware. The component or 'unit' may be included in a computer readable storage medium, or a part of the components may be distributed and distributed to a plurality of computers.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains have various permutations, modifications, and modifications without departing from the spirit or essential features of the present invention. It is to be understood that modifications may be made and other embodiments may be embodied. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

1 is a block diagram illustrating a UMTS communication network in accordance with an embodiment of the present invention.

2 is a block diagram illustrating an apparatus for measuring wireless environment quality according to an embodiment of the present invention.

3 is a flow chart illustrating a method for measuring wireless environmental quality in accordance with an embodiment of the present invention.

4 is a flowchart illustrating a method of collecting data related to radio environment quality according to an embodiment of the present invention.

5 is a flowchart illustrating a method of transmitting data related to radio environment quality according to an embodiment of the present invention.

6 is a flow chart illustrating a method for displaying a debug screen in accordance with an embodiment of the present invention.

7 is a schematic diagram illustrating a debug screen in accordance with an embodiment of the present invention.

Description of the main parts of the drawing

210: data collector

211: mobile network determination unit

212: connection determination unit

220: data storage unit

230: data transmission unit

240: display unit

250: Location Based Services

Claims (12)

A data collector configured to collect radio environment quality related data according to a mobile communication network used by the mobile terminal from a mobile terminal; A data storage unit for storing the collected data; And And a data transmitter for transmitting the stored data to a device for analyzing the corresponding data. The data collection unit, A mobile communication network determination unit determining a mobile communication network used by the mobile terminal; And And a connection determining unit determining whether the mobile terminal is connected to the mobile terminal. delete The method of claim 1, The data includes a device management (DM) data and LBS (Location Based Service) data, the apparatus for measuring the wireless environment quality. The method of claim 3, wherein The DM data includes at least one of Received Signal Strength Indication (RSSI), Energy per Chip over the Interface Noise (Ec / Io), Tx_Adjust, and Tx_Power. The method of claim 3, wherein And the LBS data comprises one or more of measurement time, latitude, longitude, and altitude. The method of claim 1, And a display unit configured to display a debug screen provided by the mobile terminal to confirm a quality state according to the data. Determining whether to connect with the mobile terminal; Determining a mobile communication network used by the mobile terminal; Collecting wireless environment quality related data according to a mobile communication network used by the mobile terminal from the mobile terminal; Storing the collected data; And Transmitting the stored data to a device for analyzing the data. delete The method of claim 7, wherein The data includes device management (DM) data and location based service (LBS) data. The method of claim 9, And the DM data includes one or more of RSSI, EcIo, Tx_Adjust, and Tx_Power. The method of claim 9, And the LBS data comprises one or more of measurement time, latitude, longitude, and altitude. The method of claim 7, wherein And displaying a debug screen provided by the mobile terminal to confirm a quality state according to the data.

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