JP2973806B2 - Cordless telephone test system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a personal handy phone, a DECT system, and the like, for determining an installation location of a base station device within a use range of a mobile station device connected to the base station device by a radio line. The present invention relates to a cordless telephone test system for performing station test communication.

[0002]

2. Description of the Related Art FIG. 5 is a block diagram showing a configuration of a conventional digital cordless telephone system. In this example, a wired telephone 2 and base station devices (CS) 3 and 4 are connected to an exchange 1 in FIG. The mobile station has mobile station devices (PS) 6, 7, and 8 connected to the base station devices 3 and 4 by wireless communication through a wireless line. Base station device 3,
Reference numeral 4 designates the radio wave reach ranges a and b as service areas, and
The mobile station devices 6, 7, and 8 are used within a use range m such as a user's room.

FIG. 6 is a block diagram showing a detailed configuration of the base station devices 3, 4 and the mobile station devices 6, 7, 8. FIG.
In this example, the base station apparatuses (CS) 3 and 4 of this example include a transmitting / receiving unit 12, a modem unit 13, a data editing unit 14,
The BX interface unit 15 is provided. Further, the mobile station devices (PS) 6, 7, and 8 each include a transmitting / receiving unit 21.
, A modulation / demodulation unit 22, a data editing unit 23, a PBX interface unit 24, a voice modulation / demodulation unit 25, a speaker 26, and a microphone 27.

[0004] Next, the operation of this conventional example will be described. First, a transmission radio wave from the mobile station device 6 is received by the transmission / reception unit 12 of the base station device 3, and the received signal is demodulated by the modulation / demodulation unit 13. The demodulated data is edited by the data editing unit 14 and transmitted to the exchange 1 through the PBX interface unit 15. In the case of the mobile station device 6 located within the radio wave range of the base station device 3, communication is performed through the path of the mobile station device 6, the base station device 3, the exchange 1, and the wired telephone 2. Similarly, in the case of the mobile station device 7 located within the radio wave range of the base station device 4, communication is performed through the path of the mobile station device 7, the base station device 4, the exchange 1, and the wired telephone 2. Also,
The mobile station device 8 located within the radio wave coverage of both the base station device 3 and the base station device 4 selects the base station device (3, 4) with a strong electric field strength and performs communication.

[0005] Next, the station design of such a cordless telephone test system will be described. The installation of the base station devices 3 and 4 is determined by the station design. When this station placement design is performed, wireless communication is performed within the radio wave coverage of the base station apparatuses 3 and 4 and the mobile station apparatuses 6, 7 and 8, and the communication is confirmed to determine the installation location. The base station devices 3 and 4 are installed at locations expected in advance in consideration of radio wave coverage and installation problems such as construction as shown in FIG. The station designer communicates with the wired telephone 2 from the mobile station device 6 carried through the base station device 3 and determines the radio coverage based on the quality of the call quality while moving. Similarly, a test call is made with the wired telephone 2 through the base station device 4 to determine the radio wave coverage of the base station device 4. Thereby, it is confirmed that the radio wave reach ranges a and b of the base station devices 3 and 4 can be used in the user use range m. Base station device 3,
If the radio wave reach ranges a and b of 4 cannot cover the use range m, the installation location and the number of base station devices are changed, and the radio wave reach range is similarly tested to cover the use range m desired by the user. Repeated calls.

[0006]

In the above-mentioned conventional cordless telephone test system, the location where the base station device is installed is selected, and the survey is conducted so as to cover a target range in which wireless communication is possible. Therefore, the following problems were encountered in the on-site station test communication. (1) Since an exchange is required for communication, transport, installation, and preparation of the exchange to the site are difficult. (2) Even if there is no problem in the communication at the time of the test due to variations in the transmission power of the base station device and the mobile station device to be used, if a different base station device and a mobile station device are used during the actual operation, desired normal communication is performed. May not be possible. (3) Since the presence or absence of a communication problem is determined by a communication test between the mobile station device and the telephone, the measurement result is ambiguous depending on the subjectivity of the judgment criterion based on the personal sense of hearing. (4) At least two people are required for a telephone call test, which is inefficient.

[0007] The present invention solves such a conventional problem. A station test can be performed using only a base station apparatus, a mobile station apparatus, and a battery, and a different base station is used between the station test and actual use. The aim is to provide an excellent cordless telephone test system that can perform normal communication even when using station equipment and mobile station equipment, can make quantitative determinations in station placement tests, and can perform station placement tests alone. I do.

[0008]

According to a first aspect of the present invention, there is provided a cordless telephone test system, comprising: a base station device within a range of use of a mobile station device connected to the base station device by a radio line; A cordless telephone test system for performing a station test communication for determining an installation location, comprising a transmitting / receiving means, a signal processing means, a data return means, and a power supply battery in a base station apparatus, and a mobile station apparatus. The received signal received by the transmission / reception means of the base station apparatus is input to the data return means via the signal processing means, and the signal is returned on the opposite path to be transmitted from the transmission / reception means. And performs station test communication.

According to a second aspect of the present invention, there is provided a cordless telephone test system for performing a station test communication for determining an installation location of a base station apparatus within a use range of a mobile station apparatus connected to the base station apparatus via a wireless line. A telephone test system, wherein a base station device includes a transmitting / receiving unit, a signal processing unit, a power supply battery, and a transmission power control unit, and the mobile station device includes a transmission / reception unit, a signal processing unit, and a transmission power control unit. Transmission power from the transmission / reception means of the base station apparatus is set to the minimum power by the transmission power control means, transmitted from the transmission / reception means, the transmission radio wave is received by the mobile station apparatus, and this reception is processed by the signal processing means. The signal processed in the above is set to the minimum power by the transmission power control means and transmitted from the transmission / reception means,
In addition, the configuration is such that the base station apparatus receives and performs station-placement test communication.

According to a third aspect of the present invention, there is provided a cordless telephone test system for determining an installation location of a base station apparatus within a use range of a base station apparatus and a mobile station apparatus connected to the base station apparatus by a radio line. A cordless telephone test system for performing station test communication, wherein the base station apparatus includes transmitting and receiving means,
The mobile station device includes a signal processing unit, a power supply battery, and a frame error rate measurement unit, and the mobile station device includes a transmission / reception unit, a signal processing unit, a frame error rate measurement unit, and a visible / audible display unit. The transmission radio wave from the station device is received by the base station device, the frame error rate is measured by the frame error rate measurement means from the received signal, the measurement result is transmitted through the transmission / reception means, and the transmission radio wave is transmitted by the mobile station device. The mobile station apparatus displays the result of the frame error rate measured by the frame error rate measurement means from the received signal and the measurement result of the frame error rate from the base station apparatus on the visual and audible display means of the mobile station apparatus, and performs the station test communication. Is performed.

[0011]

In the cordless telephone test system according to the first aspect of the present invention, the transmission radio wave from the mobile station apparatus is received by the transmission / reception section of the base station apparatus, and the received signal is input to the data return section through the signal processing section. I have. Then, the signal is looped back on the opposite path and transmitted from the transmission / reception unit, and the transmitted radio wave is received by the mobile station device to perform station-located test communication. Therefore, an exchange is not required for communication, and there is no need to transport, install, and prepare the exchange to the site, and the station installation test can be performed using only the base station apparatus, the mobile station apparatus, and the battery. The test becomes possible alone.

In the cordless telephone test system according to the present invention, the transmission power from the transmission / reception unit of the base station device is set to the minimum power by the transmission power control unit and transmitted from the transmission / reception unit. Received at. The signal obtained by processing this reception by the signal processing unit is set to the minimum power by the transmission power control unit and transmitted from the transmission / reception unit, and this transmission radio wave is received by the base station device to perform the station test communication. Therefore, there is no variation in the transmission power of the base station device and the mobile station device to be used. Even if different base station devices and mobile station devices are used in the station test and in the actual use, communication can be performed without any problem. Can be quantitatively determined in and
This station test can be performed alone.

[0013] In the cordless telephone test system according to the third aspect, the transmission radio wave from the mobile station apparatus is received by the base station apparatus, and the frame error rate is measured by the frame error rate measuring means from the received signal. Is transmitted through the transmission / reception means, and the transmission radio wave is received by the mobile station device. The frame error rate is measured by the frame error rate measuring means from the received signal, and the result and the measurement result of the frame error rate from the base station apparatus are displayed on the visual and audible display means of the mobile station apparatus to perform the station test communication. It is carried out. Therefore, a quantitative determination can be made in the station setting test, and the station setting test can be performed by one person.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a cordless telephone test system according to the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing a configuration of a cordless telephone test system according to a first embodiment of the present invention. In FIG. 1, the cordless telephone test system includes a base station device (CS) 31 and mobile station devices (PS) 32 and 33 connected to the base station device 31 via a wireless line. The base station device 31 includes a transmission / reception unit 34, a modulation / demodulation unit 35, a data editing unit 36, a data return unit 37, a PBX interface unit 38, and a power supply battery 39.

Next, the operation of the first embodiment will be described. The transmission radio wave from the mobile station device 32 is transmitted to the base station device 3
1 transmission / reception unit 34. This received signal is demodulated by the modem 35. This demodulated data is sent to the data editing unit 3
6 and sent to the data return unit 37. The data from the data editing unit 36 is returned from the data return unit 37 to the data editing unit 36 and input.
Furthermore, the modulation and demodulation unit 35 performs modulation. The modulated signal from the modulation / demodulation unit 35 is transmitted from the transmission / reception unit 34 and received by the mobile station device 33. Table 1 shows the required environment required for station test communication.

[0017]

[Table 1]

As described above, according to the first embodiment, the station test communication is performed by providing the data return part in the station test communication which has been confirmed by the conventional communication with the exchange. In this case, for example, there is no need to connect to an exchange or a pseudo-exchange, and station test communication can be easily performed.

Next, a second embodiment will be described. FIG. 2 is a block diagram showing the configuration of the second embodiment. FIG.
In this example, this example has base station apparatuses 41 and 42 and mobile station apparatuses 43 and 44. Base station devices 41 and 42
Are provided with batteries 46 and 47, respectively, and
The mobile station devices 43 and 44 are used in a wireless use range m desired by the user.

FIG. 3 is a block diagram showing a detailed configuration of the base station devices 41 and 42 and the mobile station devices 43 and 44. FIG.
In the base station apparatus 41, a transmitting / receiving unit 51, a modulation / demodulation unit 52, a data editing unit 53, a PBX interface unit 54, a power supply battery 55, and a transmission power control unit 56 are provided. The mobile station device 43 includes a transmission / reception unit 61, a modulation / demodulation unit 62, a data editing unit 63, and a transmission power control unit 64.

Next, the operation of the second embodiment will be described. The data edited by the data editing unit 63 of the mobile station device 43 is modulated by the modulation / demodulation unit 62, and the modulated signal is limited by the transmission power control unit 64 so as to be minimized in the variation range of the mobile station devices 43 and 44. The transmission power is set and transmitted from the transmission / reception unit 61. This transmission radio wave is received by the transmission / reception unit 51 of the base station devices 41 and 42 and demodulated by the modulation / demodulation unit 52. The demodulated data is sent to the data editing unit 53
And is used for measuring the radio wave reach range. Also,
Modulation and demodulation section 52 modulates the edited data edited by data editing section 53 of base station apparatus 41. Further, the transmission / reception section 51 is controlled by the transmission power control section 56 with the transmission power limited to be the minimum within the variation range of the base station apparatuses 41 and 42.
Sent from The transmission radio wave is received by the transmission / reception unit 61 of the mobile station device 43, and is further demodulated by the modulation / demodulation unit 62.
The demodulated data is edited by the data editing unit 63 and used for measuring the radio wave reach.

Here, when the station design is performed based on the conventional operation, assuming that the radio reachable range between the base station device 41 and the mobile station device 43 is a radio wave reach range r, the base station device 41 It is arranged at the position shown in FIG. here,
Base station device 41 or mobile station device 4 depending on the change in environmental conditions
3 when the transmission power is lowered or when the mobile station device 44 having a lower transmission power than the mobile station device 43 used for the station placement design is to be used, the worst conditions are taken into consideration and the actual radio reachable range is set. As a certain radio wave reach range s, the wireless use range requested by the user set by the station design cannot be covered, and a range in which wireless communication cannot be performed occurs. On the other hand, in the station design according to the second embodiment, the radio reachable range of the base station apparatus 41 and the mobile station apparatus 43 is the transmission power control unit 56 of the base station apparatus 41 and the transmission power of the mobile station apparatus 43. Since the worst environmental conditions are set by the control unit 64, the radio reachable range is the radio wave reachable range r. Further, by performing rearrangement or addition of 41 base station devices, a range in which wireless communication cannot be performed does not occur. Can be

Table 2 shows the accuracy of the station design according to the second embodiment and the accuracy of the conventional station design.

[0024]

[Table 2]

As described above, a range in which wireless communication cannot be performed occurs depending on the state of the conventional actual use environment.
In the embodiment of the present invention, communication is performed under the steepest usage conditions, so that the base station device 41 can be arranged with high accuracy that can cover the wireless use range required by the user under all actual use conditions.

Next, a third embodiment will be described. FIG. 4 is a block diagram showing the configuration of the third embodiment. FIG.
In this cordless telephone test system, a base station device 71 and a mobile station device 72 that communicates with the base station device 71 via a wireless line are provided. The base station device 71 includes a transmission / reception unit 73, a modulation / demodulation unit 74, a data editing unit 75, a PBX interface unit 76, a power supply battery 77, and a frame error rate (FER).
A measuring section 79 is provided. In the mobile station device 72,
Transmitting / receiving section 82, modem section 83, data editing section 84
, A frame error rate (FER) measuring unit 85 and a frame error rate (FER) visible / audible display unit 86 are provided.

Next, the operation of the third embodiment will be described. The transmission radio wave from the mobile station device 72 is transmitted to the base station device 7
The transmission / reception unit 73 receives the received signal, and the modulation / demodulation unit 74 modulates the received signal. The data is further edited by the data editing unit 75. A frame error rate (FER) measuring unit 79 measures the frame error rate of the edited data, and the measurement result is stored in the data editing unit 7.
Then, the data is edited by the modulation / demodulation unit 74. The modulated signal is transmitted from the transmission / reception unit 73 and received by the mobile station device 72. Further, in the mobile station device 72, the transmission radio wave from the base station device 71 is transmitted to the transmitting / receiving section 8 of the mobile station device 72.
2 is received. Further, the data is demodulated by the modulation / demodulation unit 83, and the demodulated data is edited by the data editing unit 84. Here, the frame error rate (F
ER) The frame error rate is measured by the measuring unit 85, and the result and the base station 7 transmitted as data to the mobile station 72 measured by the base station 71.
The measurement result of the first frame error rate is displayed on the frame error rate visible / audible display unit 86 of the mobile station device 72.

Table 3 shows the accuracy and the required environment of the station test communication according to the third embodiment and the accuracy and the required environment of the conventional station test communication.

[0029]

[Table 3]

As described above, according to the third embodiment, the frame error rates (FER) of both the base station device 71 and the mobile station device are displayed on the mobile station device, so that the installation state can be controlled. A quantitative evaluation result is obtained, and a plurality of personnel are not required, so that efficient station test communication can be performed.

[0031]

As is apparent from the above description, in the cordless telephone test system according to the first aspect, the transmission / reception section of the base station apparatus receives the transmission radio wave from the mobile station apparatus, and the received signal is processed by the signal processing section. The data is input to the data return unit via the network, and the data is returned from the transmission / reception unit after being returned on the opposite path. This transmission radio wave is received by the mobile station device and the station test communication is performed, so that an exchange is not required to perform the communication, and the exchange is not transported, installed, or prepared on site, and the base station device, The station test can be performed using only the mobile station apparatus and the battery, and the station test can be performed by one person.

In the cordless telephone test system according to the present invention, the transmission power from the transmission / reception section of the base station apparatus is set to the minimum power by the transmission power control section and transmitted from the transmission / reception section, and the transmission radio wave is transmitted from the mobile station apparatus. , And a signal obtained by processing this reception by the signal processing unit is set to the minimum power by the transmission power control unit and transmitted from the transmission / reception unit. Because this transmission radio wave is received by the base station device and the station test communication is performed,
Variations in the transmission power of the base station device and mobile station device used are eliminated, and even if different base station devices and mobile station devices are used during the station test and during actual use, communication can be performed without any problem, and quantification in the test is possible. This makes it possible to make an appropriate judgment and to perform the station setting test by itself.

In the cordless telephone test system according to the third aspect, the transmission radio wave from the mobile station apparatus is received by the base station apparatus, and the frame error rate is measured by the frame error rate measuring means from the received signal. The measurement result is transmitted through the transmission / reception means, the transmission radio wave is received by the mobile station apparatus, the frame error rate is measured by the frame error rate measurement means from the received signal, and the result and the frame error rate from the base station apparatus are measured. The result of the measurement is displayed on the visual and audible display means of the mobile station device and the station test communication is performed, so that the station test can be quantitatively determined and the station test can be performed by one person. Has an effect.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a cordless telephone test system according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a second embodiment.

FIG. 3 is a block diagram illustrating a detailed configuration of a base station device and a mobile station device according to a second embodiment;

FIG. 4 is a block diagram showing a configuration of a third embodiment.

FIG. 5 is a block diagram showing a configuration of a conventional digital cordless telephone system.

FIG. 6 is a block diagram showing a detailed configuration of a conventional base station device and a conventional mobile station device.

[Explanation of symbols]

 Reference Signs List 31 base station apparatus (CS) 32, 33 mobile station apparatus (PS) 34 transmitting / receiving section 37 data folding section 37 power supply battery 56, 64 transmission power control section 79, 85 frame error rate (FER) measuring section 86 frame error rate (FER) Visible and audible display

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H04B 7/24-7/26 102 H04Q 7/00-7/38

Claims (3)

(57) [Claims] 1. A cordless telephone test system for performing a station test communication for determining an installation location of the base station apparatus within a use range of a mobile station apparatus connected to the base station apparatus via a wireless line, The station device includes a transmitting / receiving unit, a signal processing unit, a data return unit, and a power supply battery, and receives a radio wave transmitted from the mobile station device by the transmitting / receiving unit of the base station device and receives a received signal through the signal processing unit. A cordless telephone test system, wherein the cordless telephone test system inputs the data to the data return means, returns the data on the reverse path, transmits the data from the transmission / reception means, and receives the transmission radio wave by the mobile station apparatus to perform the station test communication. . 2. A cordless telephone test system for performing a station test communication for determining an installation location of the base station apparatus within a use range of a mobile station apparatus connected to the base station apparatus via a wireless line, The mobile station device includes a transmission / reception unit, a signal processing unit, a transmission power control unit, a transmission power control unit, a transmission power control unit, and a transmission power control unit. The transmission power from the transmission / reception means of the station device is set to the minimum power by the transmission power control means, transmitted from the transmission / reception means, and the transmission radio wave is received by the mobile station device, and the reception is processed by the signal processing means. A cordless telephone test system characterized in that the transmission power control means sets the minimum power and transmits it from the transmission / reception means, and the base station apparatus receives and performs station test communication. 3. A cordless telephone test system for performing base station test communication for determining an installation location of a base station apparatus within a use range of a base station apparatus and a mobile station apparatus connected to the base station apparatus by a wireless line. Wherein the base station apparatus is a transmitting / receiving means, a signal processing means, a power supply battery,
The mobile station device includes a transmission / reception unit, a signal processing unit, a frame error rate measurement unit, and a audible / visible display unit, and a transmission radio wave from the mobile station device is transmitted to a base station. Received by the device, the frame error rate is measured by the frame error rate measuring means from the received signal, the measurement result is transmitted through the transmitting / receiving means, the transmission radio wave is received by the mobile station device, and the frame is calculated from the received signal. A cordless communication system in which the result of the frame error rate measured by the error rate measuring means and the result of the measurement of the frame error rate from the base station apparatus are displayed on the visual and audible display means of the mobile station apparatus, and the station test communication is performed. Phone test system.