KR20060086561A - Rf spectrum analysis module for bts/repeater maintenance using personal digital assistant - Google Patents

Abstract

Disclosed is a RF spectrum analysis module for maintenance of a base station / relay using a personal information terminal, which is composed of four parts: a spectrum analyzer module, a signal generator module, a PLL module, and a controller. It can be used in connection with the personal information terminal where the application program of the Windows Software based Graphic User Interface (GUI) environment for the maintenance is installed, and it can function as a digital measuring device together with the personal information terminal. Many programs are built in.

In addition, the RF spectrum analysis module changes the size of the measurement signal based on a user control command provided by the personal information terminal, adjusts it to be suitable for the measurement, and converts the analog signal into a digital signal and delivers it to the personal information terminal.

The personal information terminal receives and executes programs from the RF spectrum analysis module to provide a GUI environment to transmit control commands related to the user's measurement to the RF spectrum analysis module, and to process and process the digital signals provided by the module. The measurement results are displayed on the screen for the user to recognize.

According to the present invention, since the measurement equipment can be configured by utilizing the resources of the personal information terminal, the size of the digital measurement device can be reduced, the portability becomes simple, and the production cost can be significantly reduced. In addition, this module has the effect of two measuring instruments because it is a multipurpose module that includes not only the spectrum analyzer necessary for field testing but also a built-in signal generator.

In addition, data input / output with the remote management center may be performed using the wired or wireless modem of the personal information terminal under the control of a fixed management center located at a remote location.

Therefore, the present invention can analyze the accurate waveform together without analyzing the output signal of the base station / relay in the form of simply relying on numbers as in the related art, thereby performing accurate base station / relay function analysis, thereby maximizing maintenance work. You can.

In addition, the user can select the desired frequency to measure and control, so that the waveform can be accurately analyzed at the base station / repeater to check and control the base station / repeater location design and optimization in real time.

Base station, repeater, maintenance, graphical user interface, personal information terminal, spectrum analysis

Description

RF Spectrum Analysis Module for BTS / Repeater Maintenance using Personal Digital Assistant}

1 is a block diagram showing a schematic configuration of an RF spectrum analysis module according to the present invention;

2 is a block diagram showing the internal functions of the RF spectrum analysis module according to the present invention;

3 is a view showing in more detail the configuration of the RF spectrum analysis module of FIGS.

4 is a block diagram schematically showing the configuration of a general personal information terminal;

5 is a view showing the configuration of a remote management system of the base station / repeater according to the present invention,

6 is a diagram showing an example of an application program full screen of a graphical user interface environment based on Windows software according to the present invention;

7 is a view showing an example of the measurement waveform for each module measured by the personal information terminal through the application operation of the user according to the present invention.

Explanation of symbols on the main parts of the drawings

100: personal information terminal

200: RF spectrum analysis module

300: base station / repeater

400: fixed management center

The present invention relates to a base station / repeater maintenance RF spectrum analysis module using a personal information terminal.

More specifically, the base station / repeater maintenance personnel analyzes the base station / repeater input and output high frequency waveform and various modules at the site or remote site where the base station / repeater is installed without any measurement equipment, and maintains the base station / repeater based on the analysis result. The present invention relates to an RF spectrum analysis module that enables management to be performed.

Recently, as the use of mobile communication devices such as mobile phones has increased significantly, each communication provider has installed many base stations and repeaters to use mobile communication services in any region of the country. As such, the number of base stations and repeaters has increased significantly, and each service provider continuously performs maintenance management for the normal operation of the corresponding base station / relay.

However, the maintenance work by monitoring the existing base station / relay simply outputs the power of the output signal to the LCD numerically, so the maintenance staff simply relies on the number to output the base station / repeater. The signal could not be analyzed correctly by analyzing the signal, and there was a problem in that it not only adversely affected the base station / relay but also had difficulty in optimizing an area for providing a mobile communication service.

And for accurate signal analysis, maintenance personnel have to carry out expensive signal equipment (spectrum analyzer, signal generator) individually and perform output signal analysis of base station / repeater, which is expensive for base station / repeater maintenance management. There was a problem.

In addition, existing instruments have many functions that are unnecessary for maintenance, have difficulty in efficiently storing and storing waveforms, and because of the large and heavy equipment size, there are many inconveniences in equipment mobility and mounting. There was a problem that the test was restricted.

The purpose of the present invention is to solve the above-mentioned problems, the base station / repeater maintenance personnel to install a personal information terminal (GUI) application in the field or remote site where the base station / repeater is installed without additional measurement equipment Through the analysis of the base station / repeater input and output high frequency waveform and various modules, and to provide the base station / repeater maintenance RF spectrum analysis module for performing the base station / repeater maintenance management based on the analysis results.

This RF spectrum analysis module can efficiently perform base station / repeater equipment and module testing, it is easy to move by minimizing and reducing the size of the module, and can easily store and store waveforms by controlling with a personal information terminal. It can be compatible with repeater equipment, and the upgrade of modules is easy.

In addition, the design can be easily changed according to the input frequency (broadband, narrowband) and resolution according to the user's request.

In addition, the existing spectrum analyzer has functions that are not necessary for maintenance, but this module derives only the functions necessary for maintenance or initial base station / relay installation. Because it is a multi-purpose module that includes both the functions that both equipment can do, it is inconvenient to use the existing equipment to measure the input signal (using the signal generator) and the output (using the spectrum analyzer). However, this module has the effect of two measuring instruments, such as the measurement of isolation between antennas.

In addition, this RF spectrum analysis module can be built in the base station / repeater to analyze the call quality of the base station / repeater in real time. With the ability to easily manage the equipment in a wide area with the number of people, it greatly improves the operation efficiency of the base station / repeater and improves the call quality by the preliminary maintenance that improves the maintenance level of the base station / repeater. You can also provide a remote management system that can be improved.

RF spectrum analysis module for base station / repeater maintenance using personal information terminal to achieve this purpose is sent to high frequency band when signal is received from outside and re-filtered to retransmit this signal to intermediate frequency band. Spectrum Analyzer module converts wireless signals into voltage values for users to determine, and Signal Generator Module and Spectrum that generate the desired signal and process it for efficient testing when the user inputs the desired frequency on the graphic user interface. The PLL module that supplies and controls the reference frequency to the analyzer module and the signal generator module, the controller that controls all these modules, and the application program of the graphical user interface environment based on the Windows software are installed. It consists of a personal information terminal that processes data input through the internal terminal to be displayed on the application program of the graphical user interface environment, and transmits control commands inputted by the base station / repeater maintenance person who checks the data displayed on the screen. It is characterized by.

That is, based on the user's control command provided by the personal information terminal, the analog signal is converted into a digital signal while the size of the measurement signal provided by the detector (base station / repeater test port) is adjusted to suit the measurement. The RF spectrum analysis module, which sends this to the personal information terminal through the interface, and the control command regarding the user's measurement to the RF spectrum analysis module, and computes and processes the digital signal provided by the RF spectrum analysis module to be recognized by the user. RF spectrum analysis module for the maintenance of the base station / repeater using a personal information terminal, characterized in that it comprises a personal information terminal for displaying the measurement results on the screen to be able to.

In addition, the RF spectrum analysis module for the base station / repeater maintenance using the personal information terminal according to the present invention, using the wired or wireless modem of the personal information terminal with the remote control center under the control of a fixed management center located in a remote location Data input and output can also be performed.

With reference to the accompanying drawings will be described in detail the RF spectrum analysis module for base station / repeater maintenance using the personal information terminal of the present invention.

1 is a block diagram illustrating a schematic configuration of an RF spectrum analysis module according to the present invention, in which a base station / repeater maintenance officer is located at a base station / relay site.

The RF spectrum analysis module 200 is connected to the personal information terminal 100 to configure one digital measuring device as a whole. In detail, the RF spectrum analysis module 200 is generally connected to the sensing unit 310 which is a test port of the base station / relay equipment 300, and uses the sensing unit 310 as an input signal source. The electrical signal provided by the detector 310 is an analog signal. Therefore, in order to display the measurement signal of the sensing unit 100 through the personal information terminal 100, a process of converting the analog electric signal into a digital signal is required. For this purpose, the RF spectrum analysis module 200 includes an analog input unit 201, an analog / digital conversion unit 202, a personal information terminal interface unit 203, a module control unit 204, and a code memory 205.

The analog input unit 201 amplifies or attenuates the signal introduced through the sensing unit 310 into a voltage range that can be processed by the analog / digital converter 202 according to the measurement range. The analog / digital converter 202 is connected to the output terminal of the analog input unit 201 and converts the signal introduced through the analog input unit 201 into a digital signal. The personal information terminal interface 203 receives a control signal selected from the personal information terminal 100 through the GUI or transmits an output signal of the analog / digital converter 202 to the personal information terminal 100. The module controller 204 controls operations of the personal information terminal interface 203, the analog / digital converter 202, and the analog input unit 201, and in particular, the personal information transmitted through the personal information terminal interface 203. The main role is to control the measurement range and measurement conditions according to the control signal of the terminal 100 and to control the sampling conditions of the analog / digital converter 202. Furthermore, various programs are stored in the code memory 205 to allow the personal information terminal 100 to function as a complete digital measurement equipment in combination with the RF spectrum analysis module 200. When the RF spectrum analysis module 200 is connected to the personal information terminal 100, various programs stored in the code memory 205 are loaded into the personal information terminal 100 and executed by the microprocessor 130 to execute the GUI. Provide an environment. The user gives various necessary instructions regarding the measurement in the GUI environment, and the result can be read through the display screen 140 of the personal information terminal 100.

The personal information terminal 100 receives data from the RF spectrum analysis module 200 through one of RS-232C, USB, irDA, IEEE1394, compact flash card, and PCMCIA card, and analyzes RF spectrum to communicate with each other wirelessly. The module 200 and the personal information terminal 100 may have a built-in Bluetooth or WLAN.

In addition, the application program of the graphical user interface environment installed in the personal information terminal 100 described above has various functions as follows.

-Center frequency setting: Sets the center frequency of the screen where the spectrum is displayed.

-SPAN setting: A function for determining the overall frequency width of the screen where the spectrum will be displayed.

-Reference level setting: Ability to set the top level of the screen where the spectrum is displayed

-VBW setting: A function to set the video filter for the display of signals on the screen where the spectrum will be displayed.

-Marker (Peak / Delta) setting: Peak is a function that displays the level value of the marker at the level of the highest part of the signal on the screen, and delta is the level difference of the marker at an arbitrary position relative to the reference marker. Display function

-Average count setting: In the display of the signal, the actual data is collected by the number of counts and the average value is calculated and displayed.

Snapshot: Screen capture of current waveform

-Path setting: The function to set the path for measurement

-Offset setting: Function to set offset for calibration of device, offset for compensation of device external device value, offset for threshold setting such as power, doctor

-Power (channel, peak) measurement: Peak is a function to measure the level of the area where the marker is located using the marker, the channel is to measure the total power for a certain band

VSWR measurement: Ability to measure the ratio of the signal output from any port to the reflected signal

ACPR measurement: The ability to measure the difference in power at a specific offset frequency from one channel's frequency band to an adjacent channel.

-TRACE save setting: save the current waveform on the screen and continue to overlap the waveform later.

-Channel Bandwidth Setting: Ability to set bandwidth for channel power measurement

-Communication environment setting function: Function to set communication speed / communication port

2 is a diagram illustrating an internal functional block of the RF spectrum analysis module 200.

Spectrum analyzer module 260 transmits the signal to the high frequency band when the external signal is initially received, refilters the signal, retransmits it to the intermediate frequency band, and converts the wireless signal into a voltage value so that the user can determine the intermediate frequency. When the user inputs the desired frequency on the graphic user interface, the signal generator module 270, spectrum analyzer module 260, or signal generator module 270, which generate the desired signal and process it for efficient testing, are used as reference. A PLL module 280 for supplying and controlling frequencies, a controller 290 for controlling all these modules, and an application program for a graphical user interface environment based on Windows software for base station / repeater maintenance are installed, and predetermined communication is performed. Graphic user can input data input through connection terminal It is composed of a personal information terminal 100, which is processed to be displayed on the application program of the interface environment, and transmits a control command input by the base station / repeater maintenance personnel to check the data displayed on the screen.

3 is a diagram illustrating in detail the configuration of the above-described RF spectrum analysis module 200 of FIGS. 1 and 2.

As shown, the RF spectrum analysis module 200, the attenuator 210, the input frequency setting unit 220, a plurality of mixers 221, a plurality of filters 222, a plurality of amplifiers 223, a plurality of The mixer 224, the amplifier 230, the detector 240, the plurality of detectors 241, and the plurality of video filters 242 are configured.

The attenuator 210 attenuates the signal level and outputs it to the mixer 221 in order to prevent saturation of the signal level input from the base station / repeater 300 and sets a reference level on the graphical user interface.

The input frequency setting unit 220 accommodates a filter suitable for each frequency band, and selects a high frequency signal of different frequency bands from a low frequency input from the base station / repeater 300 to several GHz. Input frequency setting part can be changed at design time.

The plurality of mixers 221 synthesizes the local oscillation signal and the signal input through the attenuator 210 to generate an intermediate frequency.

The plurality of filters 222 are filters having arbitrary bandwidths used when analyzing the intermediate frequency signals, and select filters having different bandwidths to sample the intermediate frequency signals. The type and quantity of filters used can be determined at design time (eg 9K to 1G, 1G to 2G, 2G to 3G, etc.).

The plurality of mixers 224 match the phases of the signals.

The plurality of video filters 242 are correction filters associated with waveform resolution (RBW) and support to display waveforms in accordance with filter selection. The type and quantity of filters can be changed according to the design (for example, 10KHz, 30KHz, 100KHz, etc.).

4 is a block diagram schematically showing the configuration of a general personal information terminal. The personal information terminal 100 generally has a key 160 for accepting a user's input, a touch screen 150, a display screen 140 such as an LCD for displaying a screen to the user based on a GUI environment, various operations, and A microprocessor 130 for signal processing, a memory unit 120 such as a flash memory for storing necessary data or programs, and an interface unit 110 for connection with other equipment.

The personal information terminal 100 has a display screen 140, a key 160 or a touch screen 150, a user input means such as a general digital measurement equipment, a microprocessor 130 for digital signal processing, a program Since it is equipped with a flash memory 120 for storing the, when connected to the RF spectrum analysis module 200 through the interface unit 110 is equipped with the overall configuration required to function as a digital measurement equipment.

5 is a diagram showing the configuration of the base station / repeater remote management system of the present invention, the base station / repeater maintenance personnel is a view showing the configuration when the remote location is located not located in the base station / repeater site.

Such a configuration includes an RF spectrum analysis module 200, a personal information terminal 100, and a fixed management center 400.

In such a configuration, the RF spectrum analysis module 200 is mounted in place of the base station / repeater 300 to be monitored to route the signal input from the base station / repeater 300, frequency conversion, level amplification, and DC voltage detection. Next, the channel power, the leakage power ratio between adjacent channels, the occupied bandwidth, the antenna standing wave ratio, and the like are measured, and the measured data are output to the personal information terminal 100.

The personal information terminal 100 is connected to the base station / repeater 300 and receives measurement data output from the RF spectrum analysis module 200 through an operator network such as a CDMA / GSM / PCS / IMT-2000 / TRS network. It transmits to the PSTN / Wireless Internet network connected to this network, and transmits the control command received from the fixed management center 400 connected to the PSTN / Wireless Internet network to the base station / relay controller (not shown) through the operator network. do.

The personal information terminal 100 described above may be implemented as a CDMA / GSM / PCS / IMT-2000 / TRS phone, a PDA, or a wireless modem for CDMA / GSM / PCS / IMT-2000 / TRS.

On the other hand, the fixed management center 400 is connected to the PSTN / wireless Internet network to display the measurement data received from the personal information terminal 100 through the operator network and the PSTN / wireless Internet network on the application program of the graphical user interface environment, The control command received from the base station / repeater manager for checking whether the base station / repeater 300 is operating normally by checking the data output on the screen to the personal information terminal 100 through the PSTN / wireless internet network and the operator network. send.

The fixed management center 400 is a wired / wireless modem 410 for establishing a connection with a PSTN / wireless internet network, and an application program of a graphical user interface environment is constructed to measure measured data transmitted from the personal information terminal 100. Display and receive various control commands for controlling the functions of the base station / repeater 300 from the base station / repeater manager that monitors whether the base station / repeater 300 is operating normally by checking the data output on the screen, It is provided with a server 420 for storing the database to store the measurement data received from the personal information terminal 100. The server 420 may be implemented as a Windows-based desktop PC.

The wired / wireless communication network includes a mobile communication operator network and a PSTN network, a mobile communication operator network and a wireless internet network, or a mobile communication operator network, a wireless internet network, and another mobile communication operator network, or mobile communication. It may be composed of an operator network, the mobile communication operator network and another mobile communication operator network.

6 is a view showing an example of a full screen of the application of the graphical user interface environment based on the Windows software according to the present invention, Figure 7 is an example of the measurement waveform for each module measured by the user's application operation It is a figure shown in an information terminal.

When the communication service provider installed the RF spectrum analysis module 200 according to the present invention in the base station / repeater 300 installed in various parts of the country, it is time to perform the function monitoring and maintenance of the base station / repeater 300, the base station / Repeater maintenance personnel dispatch to the base station / repeater (300).

That is, the base station / repeater maintenance personnel owns the personal information terminal 100 with the application of the graphical user interface environment based on the Windows software, and visits the base station / repeater 300 site to monitor the base station / repeater 300. And performing maintenance.

In more detail, the base station / repeater maintenance personnel first connect the RF spectrum analysis module to the communication connection terminal installed at a predetermined position of the base station / repeater 300, and then connects the personal information terminal 100 to it Run the application (see Figure 6).

Subsequently, the base station / repeater maintenance personnel will monitor the base station / repeater 300 functionality over the full screen of the application in a graphical user interface environment (e.g., channel power measurement, leakage power measurement between adjacent channels, occupied bandwidth measurement, When the antenna standing wave ratio measurement is selected, digital data (waveform, numerical value) for each module is inputted and displayed on the screen (see FIG. 7).

Then, the base station / repeater maintenance person immediately checks the digital data for each module on the screen to determine whether the base station / repeater 300 is operating normally, and if the function is abnormally operated, the control command for action Input to the base station / repeater 300 through the personal information terminal 100, to correct the functional errors of various devices and components.

 According to the RF spectrum analysis module for base station / repeater maintenance using the personal information terminal of the present invention as described above, the base station / repeater maintenance personnel in the base station / repeater input / output at the site or remote site without the additional measurement equipment By performing analysis on high frequency waveforms and various modules, and performing base station / repeater maintenance management based on the analysis results, it is possible to perform accurate waveforms without analyzing the output signal of the base station / repeater in the form of simply relying on numbers as in the prior art. Because it can be analyzed, it is possible not only to perform accurate base station / relay function analysis, but also to check various functions of the base station / relay, and to optimize an area for providing a mobile communication service.

In addition, base station / repeater maintenance personnel do not need to carry the expensive measurement equipment individually for accurate signal analysis has the advantage that can significantly reduce the cost of repeater maintenance.

In addition, by using the wire / wireless modem of personal information terminal, it is possible to monitor and control the base station / repeater function remotely in addition to the base station / repeater site, so that the base station / repeater maintenance person does not have to visit the base station / relay site at once The monitoring and maintenance of a plurality of base stations / relays can be performed, which greatly saves time and money.

According to the present invention, by connecting the personal information terminal and the RF spectrum analysis module, it is easy to carry and the size of the measurement equipment can be made small, and if the user has a personal information terminal, a high performance digital measuring device at a low cost Can be provided. Furthermore, the development cost of the entire measuring apparatus can be reduced, and the convenience of use can be improved.

Although the present invention described above has been described with reference to a preferred embodiment, those skilled in the art will be variously modified and modified within the scope of the present invention without departing from the spirit and scope of the invention described in the claims below. It will be appreciated that this can be changed.

Claims (11)

In the RF spectrum analysis module for base station / repeater maintenance using a personal information terminal to perform the analysis of the base station / repeater input and output high frequency waveform and various modules, and to perform the base station / repeater maintenance management based on the analysis result, An application of the graphical user interface environment based on the Windows software for base station / relay maintenance is installed, and data input from the RF spectrum analysis module connected through a predetermined communication connection terminal is installed on the application of the graphical user interface environment. Base station / repeater using a personal information terminal, characterized in that it comprises a personal information terminal for processing to be displayed, and transmits a control command input to the RF spectrum analysis module input by the repeater maintenance personnel to check the data displayed on the screen Maintenance RF Spectrum Analysis Module. In the RF spectrum analysis module that can be connected to the personal information terminal and can function as a single instrument by utilizing its resources, The RF spectrum analysis module controls the range of the input signal according to the detector control signal for measuring the electrical parameters, An analog input unit for converting and outputting an amplitude of a signal flowing from the sensing unit; An analog / digital converting unit converting a signal flowing from the analog input unit into a digital signal; A module controller which transmits a control signal to control the operation of the analog input unit and the analog / digital converter based on a user control command provided from the personal information terminal; An interface unit for transmitting and receiving a signal with the personal information terminal; A code memory in which programs for allowing a personal information terminal and the RF spectrum analysis module to be combined to function as a measurement instrument; The program is transmitted to and executed by the personal information terminal, which causes the personal information terminal to provide a GUI environment, accept the control command input by the user, and transmit the control command to the module control unit via the interface unit, while the analog / digital conversion unit is provided. RF for the maintenance of the base station / relay using a personal information terminal having a function of receiving, measuring, processing and storing the measured data provided through the interface unit, converting the data into visual data recognizable by the user, and displaying them on the screen. Spectrum analysis module. In the remote use of RF spectrum analysis module for base station / repeater maintenance using personal information terminal that analyzes base station / relay input / output high frequency waveform and various modules and performs base station / repeater maintenance management based on the analysis result. , Performs communication connection with personal information terminal through wire / wireless communication network, receives input through wire / wireless communication network transmitted from personal information terminal, displays it on application program of graphic user interface environment, and control received from base station / relay manager And a fixed management center which transmits a command to the personal information terminal through a wired / wireless communication network. The method of claim 3, wherein the wired / wireless communication network, RF spectrum analysis module for base station / repeater maintenance using personal information terminal, which is applicable to all communication networks such as IMT-2000, CDMA, GSM, DMB, TRS. The control method according to claim 2, wherein the RF spectrum analysis module for converting an analog electrical signal provided by the sensing unit into a digital signal is connected to a personal information terminal and used as a digital measuring device. When the RF spectrum analysis module is connected to the personal information terminal, programs that allow the personal information terminal and the RF spectrum analysis module, which are embedded in the RF spectrum analysis module, to be combined to function as a measurement instrument are transmitted to the personal information terminal. step; Providing a GUI environment on a display screen of a personal information terminal by executing the programs; Using the GUI environment, receiving a measurement range set by a user, converting the control range into a control signal and transmitting the measured signal to an RF spectrum analysis module; Receiving, by the module controller of the RF spectrum analysis module, a control signal transmitted from the personal information terminal through an interface unit, and controlling an analog input unit connected to the sensing unit based on the control signal to set a measurement range; Setting, by the module controller of the RF spectrum analysis module, a sampling condition by controlling an analog / digital converter converting an output signal of the analog input unit into a digital signal based on a control signal; And And receiving, by the personal information terminal, the measured data converted from the RF spectrum analysis module into a digital signal, storing the calculated data, and displaying the measured data on a display screen for the user to recognize. The RF spectrum analysis module of claim 1, An attenuator for attenuating the signal level and outputting it to the mixer to prevent saturation of the signal level input from the base station / relay, and for setting a reference level on the graphical user interface; An input frequency setting unit accommodating a filter suitable for each frequency band, and selecting a high frequency signal of a different frequency band in a few GHz band from a low frequency input from a base station / repeater; A plurality of mixers for synthesizing a local oscillation signal and a signal input through the attenuator to generate an intermediate frequency; A filter having an arbitrary bandwidth used in analyzing an intermediate frequency signal, the filter comprising: selecting a filter having a different bandwidth and sampling the intermediate frequency signal; A plurality of mixers for matching phases of signals; A modified RF spectrum analysis module for maintenance of a base station / relay using a personal information terminal, comprising: a modified filter related to a waveform resolution (RBW), the correction filter comprising a plurality of video filters for displaying a waveform according to filter selection. According to claim 1, wherein the personal information terminal, A base station using a personal information terminal, characterized in that all kinds of personal information terminals, such as a notebook PC, desktop PC, or PDA, which have an application of a graphical user interface environment based on Windows software for maintenance of the base station / relay. RF spectrum analysis module for repeater maintenance. The method of claim 1, wherein the interface method between the personal information terminal and the RF spectrum analysis module is any one of an RS-232C, USB, irDA, IEEE1394, compact flash card, and PCMCIA card. RF spectrum analysis module for base station / repeater maintenance using personal information terminal, characterized in that the RF spectrum analysis module and the personal information terminal can also be equipped with Bluetooth or wireless LAN The RF spectrum analysis module for maintenance of a base station / relay using a personal information terminal according to claim 1, wherein the RF spectrum analysis module integrates the functions of the spectrum analyzer and the signal generator. 10. The RF spectrum analysis module for maintenance of a base station / relay using a personal information terminal according to claim 9, wherein the signal generator can serve as a CDMA / GSM / PCS / IMT-2000 / TRS signal generator. According to claim 1, wherein the personal information terminal, RF spectrum analysis module for maintenance of a base station / relay using a personal information terminal, characterized in that a scanner function can be performed by a design change of an internal module.

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