JP2008109570A - Wireless communication network quality measuring device, and wireless communication network quality measuring method - Google Patents

Wireless communication network quality measuring device, and wireless communication network quality measuring method Download PDF

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JP2008109570A
JP2008109570A JP2006292532A JP2006292532A JP2008109570A JP 2008109570 A JP2008109570 A JP 2008109570A JP 2006292532 A JP2006292532 A JP 2006292532A JP 2006292532 A JP2006292532 A JP 2006292532A JP 2008109570 A JP2008109570 A JP 2008109570A
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network quality
communication
wireless network
communication sequence
quality measuring
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Masaaki Nakayama
政明 中山
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NEC Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a wireless communication network quality measuring device capable of analyzing factors of a communication error in detail. <P>SOLUTION: The wireless communication network device 10 includes: a GPS device 2 which measures the location of the device itself; a mobile phone device 3 which functions as a communication sequence execution unit executing a predetermined communication sequence for a base station; a control unit 1 which controls them; and a voltage stabilizing device 4. The control unit 1 makes the mobile phone device 3 execute the communication sequence, and records communication sequence information at the time of occurrence of a communication error together with position information acquired from the GPS device 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、無線通信サービスエリア内を適宜移動し、又は、配置され、無線ネットワーク品質情報を収集する無線ネットワーク品質測定装置及び該装置を用いた無線通信ネットワーク品質測定方法に関する。   The present invention relates to a radio network quality measuring apparatus that appropriately moves or is arranged in a radio communication service area and collects radio network quality information, and a radio communication network quality measuring method using the apparatus.

特許文献１〜３に、無線通信ネットワークの電波状況を測定調査する電波品質等の測定システムが開示されている。例えば、特許文献１に記載の電波品質測定システムでは、接続された専用携帯電話機から発信・休止動作を繰り返すことによる通話品質測定を行ない、データ収集センターへ測定値を送信する電波品質測定装置が開示されている。   Patent Documents 1 to 3 disclose a measurement system for radio wave quality and the like for measuring and investigating radio wave conditions of a wireless communication network. For example, in the radio wave quality measurement system described in Patent Document 1, a radio wave quality measurement apparatus that performs call quality measurement by repeating outgoing / pause operations from a connected dedicated mobile phone and transmits measurement values to a data collection center is disclosed. Has been.

特許文献２にも、同様に、接続された携帯電話機の待ち受け状態と通話状態のＴｘ（送信パワー）、Ｒｘ（受信パワー）、ＦＥＲ（フレームエラーレート）、Ｒｃ／Ｉｏ（信号対雑音比）を測定し、センタ装置に送信する構成が開示されている。   Similarly, in Patent Document 2, Tx (transmission power), Rx (reception power), FER (frame error rate), and Rc / Io (signal-to-noise ratio) of the connected mobile phone are set in the standby state and the call state. A configuration for measuring and transmitting to a center device is disclosed.

更に、特許文献３には、同様の構成において、通信エラーが生じた場合に、現在時刻と位置情報をセンタ側に送信するようにし、サービスエリアの通信品質改善に役立てることとした構成が開示されている。
特開２００２−３３５２０２号公報 特開２００１−２９８３９８号公報 特開２００２−２７１８３３号公報 Further, Patent Document 3 discloses a configuration in which, in the same configuration, when a communication error occurs, the current time and position information are transmitted to the center side, which is useful for improving the communication quality of the service area. ing.
JP 2002-335202 A JP 2001-298398 A JP 2002-271833 A

しかしながら、上記した従来技術では、通信エラー前後の通信シーケンス情報を蓄積する手段を持たないため、通信エラー発生時にその原因の詳細解析ができないという問題点がある。   However, the above-described prior art has a problem that detailed analysis of the cause cannot be performed when a communication error occurs because there is no means for storing communication sequence information before and after the communication error.

この点、例えば、特許文献３に記載のシステムでは、通信エラー発生時に、エラー情報を送信する旨の記載があるが、エラー情報としてはエラー発生時刻、緯度／経度情報、要因種別情報、品質情報（基地局識別情報、電界強度レベル情報等）が挙げられているのみである。   In this regard, for example, in the system described in Patent Document 3, there is a description that error information is transmitted when a communication error occurs. The error information includes error occurrence time, latitude / longitude information, factor type information, quality information. (Base station identification information, field strength level information, etc.) are only mentioned.

本発明は、上記した事情に鑑みてなされたものであって、その目的とするところは、通信エラー発生時には前後の通信シーケンスを直ちに取り出せるようにし、その要因を詳細に解析できるようにした無線ネットワーク品質測定装置を提供することにある。   The present invention has been made in view of the above-described circumstances, and the object of the present invention is to provide a wireless network in which a communication sequence before and after a communication error can be immediately extracted and the cause can be analyzed in detail. It is to provide a quality measuring device.

本発明の第１の視点によれば、自装置の所在地を測定する位置測定部と、無線ネットワークの基地局に対して所定の発信動作を実行する発信動作実行部と、前記発信動作において通信エラーが発生した際の通信シーケンス情報を、前記自装置の位置情報とともに記録する通信エラー時通信シーケンス記録部と、を備えたこと、を特徴とする無線ネットワーク品質測定装置が提供される。   According to the first aspect of the present invention, a position measurement unit that measures the location of the device itself, a transmission operation execution unit that executes a predetermined transmission operation to a base station of a wireless network, and a communication error in the transmission operation There is provided a wireless network quality measuring apparatus comprising: a communication error time communication sequence recording unit that records communication sequence information when the error occurs together with position information of the device itself.

また、本発明の第２の視点によれば、無線ネットワーク品質測定装置に接続された携帯電話装置が、前記無線ネットワーク品質測定装置の制御部の制御に従って、基地局に対して所定の発信動作を実行するステップと、前記発信動作において通信エラーが発生した場合、前記無線ネットワーク品質測定装置の制御部が、通信エラー時通信シーケンス記録部に、前記自装置の位置情報とともに前記通信シーケンス情報を記録するステップと、を含むこと、を特徴とする無線通信ネットワーク品質測定方法が提供される。   According to the second aspect of the present invention, the mobile phone device connected to the wireless network quality measuring device performs a predetermined transmission operation to the base station according to the control of the control unit of the wireless network quality measuring device. And when the communication error occurs in the transmission operation, the control unit of the wireless network quality measuring device records the communication sequence information together with the position information of the own device in the communication error recording sequence recording unit. A wireless communication network quality measurement method characterized by comprising the steps of:

本発明によれば、発信テスト動作における通信エラー時の通信シーケンスを参照乃至出力させることにより、通信エラー発生前後の通信状況を分析し、無線ネットワークの通信品質改善に役立てることができる。   According to the present invention, by referring to or outputting a communication sequence at the time of a communication error in an outgoing test operation, it is possible to analyze the communication status before and after the occurrence of a communication error and to help improve the communication quality of the wireless network.

続いて、本発明を実施するための最良の形態について図面を参照して詳細に説明する。図１は、本発明の第１の実施形態に係る無線ネットワーク品質測定装置の構成を表したブロック図である。図１を参照すると、制御装置１と、自装置の所在地を測定するためのＧＰＳ装置２と、後記する発信テスト動作を実行する発信動作実行部及び無線ネットワーク品質に関する所定の測定項目として定められた各種無線特性値の測定器として機能する携帯電話装置３と、車両等のバッテリからの電圧を安定化させる電圧安定化装置４と、を備えた無線ネットワーク品質測定装置１０が示されている。   Next, the best mode for carrying out the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a wireless network quality measurement apparatus according to the first embodiment of the present invention. Referring to FIG. 1, a control device 1, a GPS device 2 for measuring the location of the device itself, a transmission operation execution unit for executing a transmission test operation to be described later, and predetermined measurement items relating to wireless network quality are defined. 1 shows a wireless network quality measuring device 10 including a mobile phone device 3 that functions as a measuring device for various wireless characteristic values and a voltage stabilizing device 4 that stabilizes a voltage from a battery such as a vehicle.

図２は、制御装置１の詳細構成を表したブロック図である。図２を参照すると、制御装置１は、ＣＰＵ部１１と、ハードディスク装置等の記憶媒体上に構成された通信シーケンス記録部１２及び通信エラー時通信シーケンス記録部１３とを備えて構成され、携帯電話装置３による通信シーケンスの実行を制御するとともに、通信シーケンスを常時モニタする動作を行う。   FIG. 2 is a block diagram showing a detailed configuration of the control device 1. Referring to FIG. 2, the control device 1 includes a CPU unit 11, a communication sequence recording unit 12 and a communication error time communication sequence recording unit 13 configured on a storage medium such as a hard disk device. While controlling execution of the communication sequence by the apparatus 3, the operation | movement which always monitors a communication sequence is performed.

通信シーケンス記録部１２は、携帯電話装置３による通信シーケンスの実行結果を、所定期間分、通信シーケンス情報として記録するために使用される。   The communication sequence recording unit 12 is used to record the execution result of the communication sequence by the mobile phone device 3 as communication sequence information for a predetermined period.

一方、通信エラー時通信シーケンス記録部１３は、携帯電話装置３による通信シーケンスの実行時に、通信エラーが発生した際に使用され、通信エラー前後の通信シーケンス情報と、携帯電話装置３より受信した無線特性値と、ＧＰＳ装置２から受信した位置情報が記録される。   On the other hand, the communication error time communication sequence recording unit 13 is used when a communication error occurs during the execution of the communication sequence by the mobile phone device 3. The communication sequence information before and after the communication error and the wireless sequence received from the mobile phone device 3 are used. The characteristic value and the position information received from the GPS device 2 are recorded.

図３は、上記携帯電話装置３が、通信シーケンスを実行する基地局と基地局制御装置（ＲＮＣ；Ｒａｄｉｏ Ｎｅｔｗｏｒｋ Ｃｏｎｔｒｏｌｌｅｒ）を表した図である。以下、図３の携帯電話装置３と基地局２２間の通信シーケンスについて説明する。   FIG. 3 is a diagram illustrating a base station and a base station controller (RNC; Radio Network Controller) that the mobile phone device 3 executes a communication sequence. Hereinafter, a communication sequence between the mobile phone device 3 and the base station 22 of FIG. 3 will be described.

図４は、携帯電話装置３と基地局２２間でやり取りされる通信シーケンスの一例を表した図である。まず、携帯電話装置３が基地局２２に対して接続要求コマンドＳ４１を送信すると、基地局２２が携帯電話装置３に対して接続許可コマンドＳ４２を応答する。   FIG. 4 is a diagram illustrating an example of a communication sequence exchanged between the mobile phone device 3 and the base station 22. First, when the mobile phone device 3 transmits a connection request command S41 to the base station 22, the base station 22 responds to the mobile phone device 3 with a connection permission command S42.

次に、携帯電話装置３が、基地局２２に対して秘匿処理コマンドＳ４３を送信すると、基地局２２が携帯電話装置３に対して秘匿処理終了コマンドＳ４４を応答する。このようなやり取りで携帯電話装置３と基地局２２は規定の通信シーケンスを実行する。   Next, when the cellular phone device 3 transmits a confidential processing command S43 to the base station 22, the base station 22 responds to the cellular phone device 3 with a confidential processing end command S44. Through such exchange, the cellular phone device 3 and the base station 22 execute a prescribed communication sequence.

通信エラーが発生しない場合は、制御装置１は、上記一連の通信シーケンス情報を、通信シーケンス記録部１２に記録する。   When no communication error occurs, the control device 1 records the series of communication sequence information in the communication sequence recording unit 12.

いま、基地局２２から、携帯電話装置３に秘匿処理終了コマンドＳ４４が届かなかったものとする。この場合、制御装置１は、規定の通信シーケンスが実行されず通信エラーとなったことを認識して、通信エラー前後の通信シーケンス情報、携帯電話装置３から入手した無線特性値、発信位置情報を通信エラー時通信シーケンス記録部１３に記録する動作を行う。   It is assumed that the confidential processing end command S44 has not arrived from the base station 22 to the mobile phone device 3. In this case, the control device 1 recognizes that the prescribed communication sequence has not been executed and a communication error has occurred, and transmits the communication sequence information before and after the communication error, the wireless characteristic value obtained from the mobile phone device 3, and the transmission position information. An operation of recording in the communication sequence recording unit 13 at the time of a communication error is performed.

以上のように、通信エラー発生時の通信シーケンス情報、無線特性値、発信位置情報が自動的に記録され、通信エラーの原因の詳細解析に役立てられる。もちろん、これらデータを、特許文献１〜３に示された各種センタで送信し、各種統計処理を行うようにしてもよい。   As described above, the communication sequence information, the wireless characteristic value, and the transmission position information when a communication error occurs are automatically recorded, which is useful for detailed analysis of the cause of the communication error. Of course, these data may be transmitted at various centers shown in Patent Documents 1 to 3 to perform various statistical processes.

また、上記した無線ネットワーク品質測定装置１０は、一般の携帯電話装置３や、ＧＰＳ装置２、電圧安定化装置４を組み合わせ、低コストで構成可能であり、広範囲に配置するのにも適している。   The wireless network quality measuring device 10 described above can be configured at a low cost by combining a general mobile phone device 3, a GPS device 2, and a voltage stabilizing device 4, and is suitable for a wide range of arrangement. .

続いて、上記第１の実施形態に係るを無線ネットワーク品質測定装置を、その基本的構成はそのままとして小型化した本発明の第２の実施形態について説明する。図５は、本発明の第２の実施形態に係る無線ネットワーク品質測定装置の構成を表したブロック図である。図５を参照すると、制御部５１と、ＧＰＳ部５２と、送受信部５３と、電源部５４とから構成された無線ネットワーク品質測定装置５０が示されている。   Next, a second embodiment of the present invention in which the wireless network quality measuring apparatus according to the first embodiment is reduced in size while maintaining the basic configuration as it is will be described. FIG. 5 is a block diagram showing the configuration of a wireless network quality measurement apparatus according to the second embodiment of the present invention. Referring to FIG. 5, there is shown a wireless network quality measurement device 50 that includes a control unit 51, a GPS unit 52, a transmission / reception unit 53, and a power supply unit 54.

図５の制御部５１、ＧＰＳ部５２、送受信部５３は、それぞれ第１の実施形態の制御装置１、ＧＰＳ装置２、携帯電話装置３に相当する。電源部５４は、制御部５１、ＧＰＳ部５２、送受信部５３に電圧供給を行うものである。   The control unit 51, the GPS unit 52, and the transmission / reception unit 53 in FIG. 5 correspond to the control device 1, the GPS device 2, and the mobile phone device 3 of the first embodiment, respectively. The power supply unit 54 supplies voltage to the control unit 51, the GPS unit 52, and the transmission / reception unit 53.

無線ネットワーク品質測定装置５０は、例えば、ＧＰＳ機能を備えた携帯電話機やＰＤＡ（Ｐｅｒｓｏｎａｌ Ｄｉｇｉｔａｌ Ａｓｓｉｓｔａｎｔ）にて実現することが可能である。   The wireless network quality measurement device 50 can be realized by, for example, a mobile phone having a GPS function or a PDA (Personal Digital Assistant).

以上、本発明の好適な実施形態を説明したが、予め定められた通信シーケンス実行条件に従って、所定の通信シーケンスを実行し、通信エラーが発生した際に、その前後の通信シーケンスを位置情報とともに自動的に記録するという本発明の要旨を逸脱しない範囲で、各種の変形を加えることが可能であることはいうまでもない。   The preferred embodiment of the present invention has been described above. However, when a predetermined communication sequence is executed according to a predetermined communication sequence execution condition and a communication error occurs, the communication sequence before and after the communication sequence is automatically displayed together with the position information. Needless to say, various modifications can be made without departing from the scope of the present invention.

例えば、上記した第１の実施形態の構成要素の一部を一体化した第１の実施形態と第２の実施形態の中間的な構成を採ることが可能である。   For example, it is possible to adopt an intermediate configuration between the first embodiment and the second embodiment in which some of the components of the first embodiment described above are integrated.

また例えば、無線ネットワーク品質測定装置５０により収集した通信シーケンス情報を含む各種ネットワーク品質情報をセンタ側に送信するようにすることも好ましい。例えば、センタ側で、サービス対象エリアの地図情報等に、これらの情報を適宜プロットした地図を作成することにより、一見して通信エラーの発生状況等を把握できるツールを提供することが可能となる。   For example, it is also preferable to transmit various network quality information including communication sequence information collected by the wireless network quality measurement device 50 to the center side. For example, it is possible to provide a tool capable of grasping the occurrence status of a communication error at a glance by creating a map in which the information is appropriately plotted on the map information of the service target area on the center side. .

また、上記した実施形態では、無線ネットワーク品質測定装置１０、５０は、それぞれ電圧安定化装置４、電源部５４を備えるものとして説明したが、その他既存の電源設備を利用可能であれば、これらを省略することも可能である。   In the above-described embodiment, the wireless network quality measurement devices 10 and 50 are described as including the voltage stabilization device 4 and the power supply unit 54, respectively. However, if other existing power supply facilities can be used, these are used. It can be omitted.

本発明の第１の実施形態に係る無線ネットワーク品質測定装置の構成を表したブロック図である。It is a block diagram showing the structure of the radio | wireless network quality measurement apparatus which concerns on the 1st Embodiment of this invention. 本発明の第１の実施形態に係る無線ネットワーク品質測定装置の制御装置の詳細構成を表したブロック図である。It is a block diagram showing the detailed structure of the control apparatus of the radio | wireless network quality measurement apparatus which concerns on the 1st Embodiment of this invention. 本発明の第１の実施形態に係る無線ネットワーク品質測定装置の携帯電話装置による通信シーケンスを説明するための構成図である。It is a block diagram for demonstrating the communication sequence by the mobile telephone apparatus of the radio | wireless network quality measurement apparatus which concerns on the 1st Embodiment of this invention. 図３の携帯電話装置と基地局間でやり取りされる通信シーケンスの一例を表した図である。It is a figure showing an example of the communication sequence exchanged between the mobile telephone apparatus of FIG. 3, and a base station. 本発明の第２の実施形態に係る無線ネットワーク品質測定装置の構成を表したブロック図である。It is a block diagram showing the structure of the radio | wireless network quality measurement apparatus which concerns on the 2nd Embodiment of this invention.

符号の説明Explanation of symbols

１ 制御装置
２ ＧＰＳ装置
３ 携帯電話装置
４ 電圧安定化装置
１０、５０ 無線ネットワーク品質測定装置
１１ ＣＰＵ部
１２ 通信シーケンス記録部
１３ 通信エラー時通信シーケンス記録部
２２ 基地局
２３ 基地局制御装置
５１ 制御部
５２ ＧＰＳ部
５３ 送受信部
５４ 電源部 DESCRIPTION OF SYMBOLS 1 Control apparatus 2 GPS apparatus 3 Mobile telephone apparatus 4 Voltage stabilization apparatus 10, 50 Wireless network quality measurement apparatus 11 CPU part 12 Communication sequence recording part 13 Communication sequence recording part at the time of communication error 22 Base station 23 Base station control apparatus 51 Control part 52 GPS unit 53 Transmission / reception unit 54 Power supply unit

Claims (4)

自装置の所在地を測定する位置測定部と、
無線ネットワークの基地局に対して所定の発信動作を実行する発信動作実行部と、
前記発信動作において通信エラーが発生した際の通信シーケンス情報を、前記自装置の位置情報とともに記録する通信エラー時通信シーケンス記録部と、を備えたこと、
を特徴とする無線ネットワーク品質測定装置。 A position measurement unit that measures the location of the device itself;
A transmission operation execution unit that executes a predetermined transmission operation to a base station of a wireless network;
A communication error time communication sequence recording unit that records communication sequence information when a communication error occurs in the transmission operation, together with the position information of the device itself,
A wireless network quality measuring device characterized by the above. 前記発信動作実行部として機能する携帯電話装置を用いて、無線ネットワーク品質に関する所定の測定項目を測定し、
前記通信シーケンス情報とともに、記録すること、
を特徴とする請求項１に記載の無線ネットワーク品質測定装置。 Using a mobile phone device that functions as the calling operation execution unit, measure predetermined measurement items related to wireless network quality,
Recording together with the communication sequence information;
The wireless network quality measuring apparatus according to claim 1, wherein: 更に、電圧安定化装置を備えたこと、
を特徴とする請求項１又は２に記載の無線ネットワーク品質測定装置。 In addition, it has a voltage stabilizer.
The wireless network quality measuring device according to claim 1 or 2, wherein 無線ネットワーク品質測定装置に接続された携帯電話装置が、前記無線ネットワーク品質測定装置の制御部の制御に従って、基地局に対して所定の発信動作を実行するステップと、
前記発信動作において通信エラーが発生した場合、前記無線ネットワーク品質測定装置の制御部が、通信エラー時通信シーケンス記録部に、前記自装置の位置情報とともに前記通信シーケンス情報を記録するステップと、を含むこと、
を特徴とする無線通信ネットワーク品質測定方法。 A step in which a mobile phone device connected to a wireless network quality measurement device performs a predetermined transmission operation to a base station according to control of the control unit of the wireless network quality measurement device;
When a communication error occurs in the transmission operation, the control unit of the wireless network quality measurement device includes a step of recording the communication sequence information together with the position information of the own device in a communication sequence recording unit upon communication error. thing,
A wireless communication network quality measuring method characterized by the above.
JP2006292532A 2006-10-27 2006-10-27 Wireless communication network quality measuring device, and wireless communication network quality measuring method Pending JP2008109570A (en)

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