JP2010109517A - Mobile communication terminal device, control method thereof, and program - Google Patents

Mobile communication terminal device, control method thereof, and program Download PDF

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JP2010109517A
JP2010109517A JP2008277684A JP2008277684A JP2010109517A JP 2010109517 A JP2010109517 A JP 2010109517A JP 2008277684 A JP2008277684 A JP 2008277684A JP 2008277684 A JP2008277684 A JP 2008277684A JP 2010109517 A JP2010109517 A JP 2010109517A
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movement amount
radio base
base station
communication terminal
mobile communication
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Takashi Fuchizawa
敬 渕澤
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NEC Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

<P>PROBLEM TO BE SOLVED: To retrieve a radio base station connected to a public line which can early use services without requiring a user's operation when a terminal device is outside a range of the radio base station connected to the public line which can use the services. <P>SOLUTION: A mobile telephone 10 is a mobile communication terminal device which can transmit/receive to/from a plurality of radio base stations. A controller 104 functions as a travel distance measuring means measuring a travel distance which is a distance traveled by the mobile telephone 10 based on information output by an acceleration sensor 108, a travel distance determining means determining that the measured travel distance has exceeded a predetermined threshold Lth stored by a storing portion 107, and a retrieval control means retrieving a radio base station when the travel distance determining means determines that the travel distance measured by the travel distance determining means has exceeded the predetermined threshold. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、移動通信端末装置、その制御方法及びプログラムに関し、特に、無線基地局の検索動作の制御に関する。   The present invention relates to a mobile communication terminal apparatus, a control method thereof, and a program, and more particularly to control of a search operation of a radio base station.

本発明に関連する技術として、特許文献１に記載のものを挙げる。特許文献１には、段落００２８等を参照すると、衝撃センサや加速度センサや装置本体の移動速度を測定するジャイロ等、複数種類のセンサを用いて移動端末装置の移動状態を示す情報を測定することが記載されている。また、段落００３０等を参照すると、複数の基地局から信号を受信し、最も受信状態のよい受信信号の受信状態を記録することが記載されている。
特開２００４−１０４２６５号公報 As a technique related to the present invention, one described in Patent Document 1 is cited. In Patent Document 1, referring to paragraph 0028 and the like, information indicating the movement state of the mobile terminal apparatus is measured using a plurality of types of sensors such as an impact sensor, an acceleration sensor, and a gyro that measures the movement speed of the apparatus main body. Is described. Also, referring to paragraph 0030 and the like, it is described that signals are received from a plurality of base stations and the reception state of the reception signal having the best reception state is recorded.
JP 2004-104265 A

携帯電話機では、待ち受けや通話などの使用可能時間の延長が常に望まれている。そのため携帯電話機がサービスを利用可能な公衆回線に接続された無線基地局には待ち受けることができない場合にも消費電流が削減できるような無線基地局の検索方法が検討されている。一般的な方法として、サービスを利用可能な公衆回線に接続された無線基地局の検索周期を徐々に大きくしていく、という方法が挙げられる。   In mobile phones, it is always desired to extend the usable time for standby and telephone calls. Therefore, a search method for a radio base station that can reduce current consumption even when a radio base station connected to a public line on which a mobile phone can use a service cannot be waited for has been studied. As a general method, there is a method of gradually increasing a search cycle of a radio base station connected to a public line that can use a service.

このような場合、一定時間以上サービスを利用可能な公衆回線に接続された無線基地局には待ち受けられず、この無線基地局を検索する周期が長くなった後に、サービスを利用可能な公衆回線に接続された無線基地局の電波を受信可能なエリアに移動した際、待ち受け状態への移行に時間がかかってしまうという不利益が生じていた。   In such a case, a radio base station connected to a public line that can use the service for a certain period of time cannot wait, and after the period of searching for this radio base station becomes longer, When moving to an area where radio waves from a connected radio base station can be received, there was a disadvantage that it took time to shift to a standby state.

また、強制的に無線基地局の検索を行わせる方法として、キー入力、携帯電話機の開閉等が考えられているが、いずれもユーザの利便性を損なうものである。   In addition, as a method for forcibly searching for a radio base station, key input, opening / closing of a mobile phone, and the like are considered, but these all impair user convenience.

本発明は、上記実情に鑑みてなされたものであって、その目的は、サービスを利用可能な公衆回線に接続された無線基地局の圏外にある状態のとき、ユーザ操作を必要とせずにいち早くサービスを利用可能な公衆回線に接続された無線基地局の検索を行うことが可能な移動通信端末装置、その制御方法及びプログラムを提供することにある。   The present invention has been made in view of the above circumstances, and its object is to promptly perform the operation without requiring a user operation when it is out of the range of a radio base station connected to a public line that can use the service. It is an object of the present invention to provide a mobile communication terminal apparatus capable of searching for a wireless base station connected to a public line that can use a service, a control method thereof, and a program.

上記目的を達成するために本発明は以下の構成を備える。   In order to achieve the above object, the present invention comprises the following arrangement.

本発明に係る移動通信端末装置は、複数の無線基地局と送受信可能な移動通信端末装置であって、装置本体が移動した距離である移動量を測定する移動量測定手段と、測定した移動量が所定の閾値を超えたことを判定する移動量判定手段と、前記移動量判定手段により測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行う検索制御手段と、を備えることを特徴とする。   A mobile communication terminal apparatus according to the present invention is a mobile communication terminal apparatus capable of transmitting and receiving with a plurality of radio base stations, a movement amount measuring means for measuring a movement amount that is a distance traveled by the apparatus main body, and a measured movement amount A movement amount determination means for determining that the amount of movement exceeds a predetermined threshold; and a search control means for searching for a radio base station when it is determined that the movement amount measured by the movement amount determination means exceeds a predetermined threshold. It is characterized by providing.

本発明に係る移動通信端末装置の制御方法は、複数の無線基地局と送受信可能な移動通信端末装置の制御方法であって、装置本体が移動した距離である移動量を測定する移動量測定工程と、測定した移動量が所定の閾値を超えたことを判定する移動量判定工程と、前記移動量判定工程にて測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行う検索制御工程と、を含むことを特徴とする。   A mobile communication terminal apparatus control method according to the present invention is a mobile communication terminal apparatus control method capable of transmitting / receiving to / from a plurality of radio base stations, and a movement amount measuring step of measuring a movement amount that is a distance traveled by the apparatus body And a movement amount determination step for determining that the measured movement amount has exceeded a predetermined threshold value, and when it is determined that the movement amount measured in the movement amount determination step has exceeded a predetermined threshold value, And a search control step for performing a search.

本発明に係るプログラムは、複数の無線基地局と送受信可能な移動通信端末装置を、装置本体が移動した距離である移動量を測定する移動量測定手段と、測定した移動量が所定の閾値を超えたことを判定する移動量判定手段と、前記移動量判定手段により測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行う検索制御手段として機能させることを特徴とする。   The program according to the present invention includes a mobile communication terminal device capable of transmitting and receiving with a plurality of radio base stations, a moving amount measuring means for measuring a moving amount that is a distance moved by the device main body, and a measured moving amount having a predetermined threshold value. A movement amount determination unit that determines that the amount of movement has exceeded, and a search control unit that searches for a radio base station when the movement amount measured by the movement amount determination unit is determined to exceed a predetermined threshold. And

本発明によれば、ユーザ操作を必要とせずにいち早くサービスを利用可能な公衆回線に接続された無線基地局の検索を行うことが可能な移動通信端末装置、その制御方法及びプログラムを提供することが可能となる。   According to the present invention, there is provided a mobile communication terminal apparatus capable of searching for a radio base station connected to a public line that can quickly use a service without requiring a user operation, and a control method and program thereof. Is possible.

以下、本発明の好適な実施の形態について図面を参照して説明する。   Preferred embodiments of the present invention will be described below with reference to the drawings.

図１、図２を参照すると、本実施形態に係る携帯電話機１０の構成が示されている。図１に示すように携帯電話機１０は、無線部１０１、ベースバンド部１０２、送受話部１０３、制御部１０４、操作キー１０５、ＬＣＤ表示部１０６、記憶部１０７及び加速度センサ１０８を備え、これら各部を用いて、公衆回線に接続された複数の無線基地局と複数の周波数帯にて符号分割多重あるいは時分割多重無線伝送路で送受信可能である。   Referring to FIGS. 1 and 2, the configuration of a mobile phone 10 according to the present embodiment is shown. As shown in FIG. 1, the mobile phone 10 includes a wireless unit 101, a baseband unit 102, a transmission / reception unit 103, a control unit 104, an operation key 105, an LCD display unit 106, a storage unit 107, and an acceleration sensor 108. Can be transmitted / received to / from a plurality of radio base stations connected to the public line via a code division multiplexing or time division multiplexing radio transmission path in a plurality of frequency bands.

ベースバンド部１０２は送受話部１０３に音声データを入出力し、符号化したデータを無線部１０１に入出力する。無線部１０１は制御部１０４に指定されたモードで動作し、無線基地局と無線伝送路でデータの送受信を行う。加速度センサ１０８は、振動量及び振動時間のデータを測定し、測定結果を制御部１０４に対して出力する。記憶部１０７は、携帯電話機１０の移動量を判定するための移動量のしきい値Ｌｔｈを格納している。操作キー１０５、ＬＣＤ表示部１０６はユーザインタフェースである。   The baseband unit 102 inputs / outputs voice data to / from the transmitter / receiver unit 103 and inputs / outputs encoded data to / from the wireless unit 101. The wireless unit 101 operates in a mode specified by the control unit 104, and transmits and receives data to and from the wireless base station through a wireless transmission path. The acceleration sensor 108 measures vibration amount and vibration time data, and outputs the measurement result to the control unit 104. The storage unit 107 stores a movement amount threshold value Lth for determining the movement amount of the mobile phone 10. The operation keys 105 and the LCD display unit 106 are user interfaces.

制御部１０４は図２に示すように、移動量判定手段２０１、検索制御手段２０２を有する構成である。なお、これら各手段は、携帯電話機１０の備えるマイコン（図示せず）と、これを利用して所定の情報処理を行うソフトウェアプログラムとの協働によって実現するものであってもよい。   As illustrated in FIG. 2, the control unit 104 includes a movement amount determination unit 201 and a search control unit 202. Each of these means may be realized by cooperation of a microcomputer (not shown) included in the mobile phone 10 and a software program that performs predetermined information processing using the microcomputer.

移動量判定手段２０１は、携帯電話機１０がサービスを利用可能な公衆回線に接続された無線基地局と同期を取れない状態にあるとき、加速度センサ１０８から出力された振動量及び振動時間のデータに基づく移動量を計算し、計算結果の移動量を記憶部１０７に格納されているしきい値Ｌｔｈと比較し、携帯電話機１０の移動量が一定値以上であるかどうかを判定する。   When the mobile phone 10 is in a state where it cannot synchronize with a radio base station connected to a public line that can use the service, the movement amount determination means 201 uses the vibration amount and vibration time data output from the acceleration sensor 108. Based on the calculated movement amount, the calculated movement amount is compared with the threshold value Lth stored in the storage unit 107, and it is determined whether or not the movement amount of the mobile phone 10 is equal to or greater than a certain value.

検索制御手段２０２は移動量の判定結果より、移動量がある一定値Ｌｔｈより大きければサービスを利用可能な公衆回線に接続された無線基地局を検索する検索周期をリセットし前記サービスを利用可能な公衆回線に接続された無線基地局の検索を行う。また、移動量が一定値Ｌｔｈより大きくなければ検索周期の変更は行わない。   The search control unit 202 can use the service by resetting a search cycle for searching for a radio base station connected to a public line that can use the service if the movement amount is larger than a certain value Lth from the determination result of the movement amount. Search for wireless base stations connected to public lines. If the movement amount is not greater than the constant value Lth, the search cycle is not changed.

図３を参照すると、本実施形態に係る携帯電話機１０を含むシステムの構成図が示されている。図３中、無線基地局３０１及び３０２はサービスを利用可能な公衆回線に接続されており、無線基地局３０３及び３０４は緊急呼のみ利用可能な公衆回線に接続されている。   Referring to FIG. 3, a configuration diagram of a system including the mobile phone 10 according to the present embodiment is shown. In FIG. 3, radio base stations 301 and 302 are connected to public lines that can use services, and radio base stations 303 and 304 are connected to public lines that can use only emergency calls.

なお、図３に示す例は、携帯電話機１０が例えば事業者ＡのＳＩＭ（Ｓｕｂｓｃｒｉｂｅｒ Ｉｄｅｎｔｉｔｙ Ｍｏｄｕｌｅ）カードを使用しており、無線基地局３０１及び３０２が事業者Ａのサービスを利用可能な公衆回線に接続された無線基地局であり、無線基地局３０３や３０４が他の通信事業者の無線基地局であるようなケースを示している。移動通信システムの仕様や通信事業者間の契約によって、無線基地局３０３，３０４から事業者ＡのＳＩＭを使用する端末は緊急呼が発信できる。   In the example shown in FIG. 3, the mobile phone 10 uses, for example, a carrier A SIM (Subscriber Identity Module) card, and the wireless base stations 301 and 302 are connected to a public line that can use the carrier A's service. In this case, the wireless base stations are connected, and the wireless base stations 303 and 304 are wireless base stations of other communication carriers. Depending on the specifications of the mobile communication system and the contract between the telecommunications carriers, the wireless base stations 303 and 304 can make an emergency call from the terminal using the carrier A's SIM.

接続可能範囲３０５は、その範囲内で本実施形態に係る携帯電話機１０が無線基地局３０１との無線接続が可能であるような範囲である。同様に、接続可能範囲３０６内では無線基地局３０２との無線接続が可能であり、接続可能範囲３０７内では無線基地局３０３との無線接続が可能であり、接続可能範囲３０８内では無線基地局３０４との無線接続が可能である。   The connectable range 305 is a range within which the mobile phone 10 according to the present embodiment can wirelessly connect to the radio base station 301. Similarly, wireless connection with the wireless base station 302 is possible within the connectable range 306, wireless connection with the wireless base station 303 is possible within the connectable range 307, and wireless base stations are within the connectable range 308. Wireless connection with 304 is possible.

したがって、図３中に示した携帯電話機１０の内、携帯電話機１０ａは無線基地局３０１との無線接続が可能であり、事業者の提供するサービスが利用可能である。また、携帯電話機１０ｂは緊急呼のみ利用可能な公衆回線に接続されている無線基地局３０４の接続可能範囲３０８内ではあるが、サービスを利用可能な公衆回線に接続されている無線基地局３０２の接続範囲３０６内でもあるので、やはり事業者の提供するサービスが利用可能である。   Therefore, of the mobile phone 10 shown in FIG. 3, the mobile phone 10a can be wirelessly connected to the radio base station 301, and services provided by the operator can be used. In addition, the mobile phone 10b is within the connectable range 308 of the radio base station 304 connected to the public line that can use only emergency calls, but the mobile phone 10b is connected to the radio base station 302 that is connected to the public line that can use the service. Since it is also within the connection range 306, the service provided by the operator can still be used.

一方、携帯電話機１０ｃは、無線基地局３０１あるいは３０２の接続可能範囲外であり、かつ無線基地局３０３の接続範囲内にあるため、緊急呼のみ利用可能となる。以下で説明する本実施形態の動作は、携帯電話機１０が携帯電話機１０ｃの位置にあるような場合（サービスを利用可能な公衆回線に接続された無線基地局に待ち受けられない様な場合）を前提にしている。   On the other hand, since the mobile phone 10c is outside the connectable range of the radio base station 301 or 302 and is within the connectable range of the radio base station 303, only the emergency call can be used. The operation of the present embodiment described below is based on the assumption that the mobile phone 10 is at the position of the mobile phone 10c (when the wireless base station connected to the public line that can use the service cannot wait). I have to.

次に、本実施形態の動作について図４を参照して説明する。   Next, the operation of the present embodiment will be described with reference to FIG.

図４は本実施形態に係る携帯電話機の制御部１０４の動作を示すフローチャートである。図４に示す動作の前提として、携帯電話機１０はサービスを利用可能な公衆回線に接続された無線基地局には待ち受けられない状態（緊急呼のみ利用可能な公衆回線に接続された無線基地局と同期を取っている状態を含む）にあることとする。   FIG. 4 is a flowchart showing the operation of the control unit 104 of the mobile phone according to the present embodiment. As a premise of the operation shown in FIG. 4, the mobile phone 10 is in a state in which it cannot wait for a radio base station connected to a public line that can use a service (a radio base station connected to a public line that can use only emergency calls) (Including the state of synchronization).

図４において制御部１０４は、加速度センサ１０８から振動量及び振動時間のデータを入手し（ステップＳ１０１）、入手した振動量及び振動時間のデータに基づく移動量を計算し、計算結果の移動量を記憶部１０７に格納している移動量のしきい値Ｌｔｈと比較し、携帯電話機１０の移動量が一定の値Ｌｔｈより大きいかどうかを判定する（ステップＳ１０２）。   In FIG. 4, the control unit 104 acquires vibration amount and vibration time data from the acceleration sensor 108 (step S101), calculates a movement amount based on the acquired vibration amount and vibration time data, and calculates the movement amount of the calculation result. It is compared with the movement amount threshold value Lth stored in the storage unit 107 to determine whether or not the movement amount of the mobile phone 10 is larger than a certain value Lth (step S102).

判定の結果、移動量がしきい値Ｌｔｈより大きい場合（ステップＳ１０２／Ｙｅｓ）、検索制御手段２０２は、サービスを利用可能な公衆回線に接続された無線基地局の検索を実行すると共に（ステップＳ１０３）、サービスを利用可能な公衆回線に接続された無線基地局の検索周期を短い周期Ｔ１に変更する（ステップＳ１０４）。一方移動量がしきい値Ｌｔｈより小さい場合は（ステップＳ１０２／Ｎｏ）、検索周期を変更しない。   As a result of the determination, when the movement amount is larger than the threshold value Lth (step S102 / Yes), the search control unit 202 executes a search for a radio base station connected to a public line that can use the service (step S103). ) The search cycle of the radio base station connected to the public line that can use the service is changed to a short cycle T1 (step S104). On the other hand, when the movement amount is smaller than the threshold value Lth (step S102 / No), the search cycle is not changed.

次に、無線基地局を検索する検索周期について図５を参照して説明する。   Next, a search cycle for searching for a radio base station will be described with reference to FIG.

図５は本実施形態による無線基地局検索タイミングの一例である。携帯電話機１０がサービスを利用可能な公衆回線に接続された無線基地局には待ち受けられず、緊急呼のみ利用可能な公衆回線に接続された無線基地局に同期を取っている状態に移行した直後（例えば、図３における１０ａから１０ｃの位置に移動したような場合）は、短い周期Ｔ１でサービスを利用可能な公衆回線に接続された無線基地局の検索を行う。   FIG. 5 is an example of the radio base station search timing according to the present embodiment. Immediately after the mobile phone 10 shifts to a state in which a radio base station connected to a public line that can use the service cannot wait and is synchronized with a radio base station connected to a public line that can use only emergency calls (For example, when moving from the position 10a to 10c in FIG. 3), the wireless base station connected to the public line that can use the service is searched in a short period T1.

検索した結果待ち受けることができなければ、Ｔ１より長い周期Ｔ２で前記サービスを利用可能な公衆回線に接続された無線基地局の検索を行う。以降検索周期を徐々に長くして検索動作を行う。ここで検索周期Ｔ１〜Ｔ５は、Ｔ１＜Ｔ２＜Ｔ３＜Ｔ４＜Ｔ５となっている。   If it cannot wait as a result of the search, a search is made for a radio base station connected to a public line that can use the service at a period T2 longer than T1. Thereafter, the search operation is performed by gradually increasing the search cycle. Here, the search periods T1 to T5 are T1 <T2 <T3 <T4 <T5.

また携帯電話１０は、緊急呼のみ利用可能な公衆回線に接続された無線基地局の送信信号を定期的に受信しており、時刻Ｔ５０１は携帯電話機１０の移動量がしきい値Ｌｔｈより大きくなった時点を示している。時刻Ｔ５０１で移動量がしきい値Ｌｔｈより大きくなったため（図４のステップＳ１０２／Ｙｅｓ）、即サービスを利用可能な公衆回線に接続された無線基地局の検索動作を行い（図４のステップＳ１０３）、検索後の検索周期を短い周期Ｔ１にリセットする（図４のステップＳ１０４）。   The mobile phone 10 regularly receives a transmission signal from a radio base station connected to a public line that can only use emergency calls. At time T501, the amount of movement of the mobile phone 10 exceeds the threshold value Lth. Shows the time. Since the movement amount becomes larger than the threshold value Lth at time T501 (step S102 / Yes in FIG. 4), a search operation for a radio base station connected to a public line that can use the immediate service is performed (step S103 in FIG. 4). ) The search cycle after the search is reset to a short cycle T1 (step S104 in FIG. 4).

本実施形態は、以上に説明したような構成を備えているため、ユーザ操作無しにサービスを利用可能な公衆回線に接続された無線基地局の検索を迅速に行うことができる。   Since the present embodiment has the configuration as described above, it is possible to quickly search for a radio base station connected to a public line that can use a service without user operation.

以上、本発明の好適な実施の形態について説明したが、本発明はこれに限定されるものではなく、要旨を逸脱しない範囲内で種々の変形実施が可能である。   The preferred embodiment of the present invention has been described above, but the present invention is not limited to this, and various modifications can be made without departing from the scope of the invention.

上記実施形態においては、移動量を計測し始める時点を特に限定しなかったが、移動量判定手段２０１による移動量の計測を、無線基地局の検索動作を行った時点から始めることとしてもよい。サービスを利用可能な公衆回線に接続された無線基地局の検索に失敗した最後の時点から計測を始めるため、最新の情報に基づいて移動量を測定できる。   In the above embodiment, the time point at which the movement amount starts to be measured is not particularly limited, but the movement amount measurement by the movement amount determination unit 201 may be started from the time point when the wireless base station search operation is performed. Since the measurement is started from the last time when the search for the radio base station connected to the public line that can use the service fails, the movement amount can be measured based on the latest information.

本発明の実施例による携帯電話機の構成を示すブロック図である。It is a block diagram which shows the structure of the mobile telephone by the Example of this invention. 本発明の実施例による携帯電話機の制御部の構成を示すブロック図である。It is a block diagram which shows the structure of the control part of the mobile telephone by the Example of this invention. 本発明の実施例による無線電話システムの構成例を示す図である。It is a figure which shows the structural example of the radio telephone system by the Example of this invention. 本発明の実施例による制御部１０４の動作を示すフローチャートである。It is a flowchart which shows operation | movement of the control part 104 by the Example of this invention. 本発明の実施例による無線基地局検索タイミングの一例である。5 is an example of a radio base station search timing according to an embodiment of the present invention.

符号の説明Explanation of symbols

１０，１０ａ，１０ｂ，１０ｃ 携帯電話機
１０１ 無線部
１０２ ベースバンド部
１０３ 送受話部
１０４ 制御部
１０５ 操作キー
１０６ ＬＣＤ表示部
１０７ 記憶部
１０８ 加速度センサ
２０１ 移動量判定手段
２０２ 検索制御手段
３０１，３０２ （サービスを利用可能な公衆回線に接続された）無線基地局
３０３，３０４ （緊急呼のみ利用可能な公衆回線に接続された）無線基地局
３０５，３０６，３０７，３０８ 接続可能範囲 10, 10a, 10b, 10c Mobile phone 101 Radio unit 102 Baseband unit 103 Transmitter / receiver unit 104 Control unit 105 Operation key 106 LCD display unit 107 Storage unit 108 Acceleration sensor 201 Movement amount determination unit 202 Search control unit 301, 302 (Service Wireless base stations 303, 304 (connected to public lines that can use only emergency calls) 305, 306, 307, 308

Claims (8)

複数の無線基地局と送受信可能な移動通信端末装置であって、
装置本体が移動した距離である移動量を測定する移動量測定手段と、
測定した移動量が所定の閾値を超えたことを判定する移動量判定手段と、
前記移動量判定手段により測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行う検索制御手段と、
を備えることを特徴とする、移動通信端末装置。 A mobile communication terminal device capable of transmitting and receiving with a plurality of radio base stations,
A moving amount measuring means for measuring a moving amount that is a distance traveled by the apparatus main body;
A movement amount determination means for determining that the measured movement amount exceeds a predetermined threshold;
Search control means for searching for a radio base station when it is determined that the movement amount measured by the movement amount determination means exceeds a predetermined threshold;
A mobile communication terminal apparatus comprising: 前記検索制御手段は、前記移動量判定手段により測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行うと共に、検索周期の短縮を行うことを特徴とする、請求項１記載の移動通信端末装置。   The search control means, when it is determined that the movement amount measured by the movement amount determination means exceeds a predetermined threshold value, searches for a radio base station and shortens a search cycle. Item 2. The mobile communication terminal device according to Item 1. 前記移動量測定手段は、装置本体が最後に無線基地局の検索を行った時点から装置本体が移動した距離を移動量として測定することを特徴とする、請求項１又は２記載の移動通信端末装置。   The mobile communication terminal according to claim 1, wherein the movement amount measuring unit measures a distance moved by the apparatus main body from a point in time when the apparatus main body searches for a radio base station last time. apparatus. 前記検索制御手段が検索する無線基地局は、通信事業者が提供するサービスが利用可能な公衆回線に接続された無線基地局であることを特徴とする、請求項１から３のいずれか１項記載の移動通信端末装置。   4. The radio base station searched by the search control means is a radio base station connected to a public line that can use a service provided by a communication carrier. The mobile communication terminal device described. 前記移動量測定手段は、加速度センサが出力する振動量及び振動時間の情報に基づいて前記移動量を測定することを特徴とする、請求項１から４のいずれか１項記載の移動通信端末装置。   5. The mobile communication terminal device according to claim 1, wherein the movement amount measuring unit measures the movement amount based on information on a vibration amount and a vibration time output from an acceleration sensor. . 複数の無線基地局と送受信可能な移動通信端末装置の制御方法であって、
装置本体が移動した距離である移動量を測定する移動量測定工程と、
測定した移動量が所定の閾値を超えたことを判定する移動量判定工程と、
前記移動量判定工程にて測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行う検索制御工程と、
を含むことを特徴とする、移動通信端末装置の制御方法。 A method for controlling a mobile communication terminal capable of transmitting and receiving with a plurality of radio base stations,
A moving amount measuring step for measuring a moving amount that is a distance traveled by the apparatus main body;
A movement amount determination step for determining that the measured movement amount exceeds a predetermined threshold;
A search control step of searching for a radio base station when it is determined that the movement amount measured in the movement amount determination step exceeds a predetermined threshold;
A method for controlling a mobile communication terminal apparatus, comprising: 前記検索制御工程は、前記移動量判定工程にて測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行うと共に、検索周期の短縮を行うことを特徴とする、請求項６記載の移動通信端末装置の制御方法。   The search control step performs a search for a radio base station when the movement amount measured in the movement amount determination step is determined to exceed a predetermined threshold, and shortens a search cycle. The method for controlling a mobile communication terminal device according to claim 6. 複数の無線基地局と送受信可能な移動通信端末装置を、
装置本体が移動した距離である移動量を測定する移動量測定手段と、
測定した移動量が所定の閾値を超えたことを判定する移動量判定手段と、
前記移動量判定手段により測定した移動量が所定の閾値を超えたと判断された場合に無線基地局の検索を行う検索制御手段として機能させることを特徴とする、プログラム。 A mobile communication terminal device capable of transmitting and receiving with a plurality of radio base stations,
A moving amount measuring means for measuring a moving amount that is a distance traveled by the apparatus main body;
A movement amount determination means for determining that the measured movement amount exceeds a predetermined threshold;
A program that functions as a search control unit that searches for a radio base station when it is determined that a movement amount measured by the movement amount determination unit exceeds a predetermined threshold.
JP2008277684A 2008-10-29 2008-10-29 Mobile communication terminal device, control method thereof, and program Withdrawn JP2010109517A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102186226A (en) * 2010-12-23 2011-09-14 上海华勤通讯技术有限公司 Mobile phone for self-adapting communication environment and energy-saving method thereof
CN105699962A (en) * 2016-02-29 2016-06-22 华为技术有限公司 Distance measurement method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102186226A (en) * 2010-12-23 2011-09-14 上海华勤通讯技术有限公司 Mobile phone for self-adapting communication environment and energy-saving method thereof
CN105699962A (en) * 2016-02-29 2016-06-22 华为技术有限公司 Distance measurement method and device

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