JP2018113712A - Portable communication system and portable communication terminal - Google Patents

Portable communication system and portable communication terminal Download PDF

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JP2018113712A
JP2018113712A JP2018036941A JP2018036941A JP2018113712A JP 2018113712 A JP2018113712 A JP 2018113712A JP 2018036941 A JP2018036941 A JP 2018036941A JP 2018036941 A JP2018036941 A JP 2018036941A JP 2018113712 A JP2018113712 A JP 2018113712A
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communication terminal
mobile communication
base station
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空悟 守田
Kugo Morita
空悟 守田
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Kyocera 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
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Abstract

PROBLEM TO BE SOLVED: To provide a portable communication system capable of keeping power consumption of a portable communication terminal low in the case of notifying a server for providing a service of sensor information measured by the portable communication terminal.SOLUTION: A portable communication terminal 11 includes a sensor for measuring peripheral information, positional information, human body information, or the like. A base station 12 allocates an uplink transmission band in an intermittent transmission/reception period in a sleep state; and, in the case of receiving data including only sensor information measured by the sensor from the portable communication terminal 11 using the uplink transmission band, takes the received data as control data. Because the base station 12 takes the data received from the portable communication terminal 11 as the control data, the portable communication terminal 11 returns into the sleep state when the intermittent transmission/reception period is expired.SELECTED DRAWING: Figure 2

Description

本発明は、携帯通信端末で計測したセンサ情報を、基地局を介して、サービスを提供するサーバに通知する携帯通信システムに関する。   The present invention relates to a mobile communication system that notifies sensor information measured by a mobile communication terminal to a server that provides a service via a base station.

携帯通信端末は、使用者が常に携行し、位置を特定する機能を有する。このことから、携帯通信端末は、ＲＦＩＤ（Radio Frequency Identification）などの機能と組み合わせて、学校、塾などの登下校における児童の位置確認を行う見守りサービスに利用されている（特許文献１参照）。また、さらに振動センサ、温度センサなど様々なセンサを使用することにより、携帯通信端末の使用者の個体の識別、および状況の解析を行い、一人暮らしの高齢者の安否を確認する安否確認サービスや、使用者へ的確な情報をタイムリーに提供するサービスなどへの応用が行われつつある。   The mobile communication terminal has a function that the user always carries and specifies the position. For this reason, the mobile communication terminal is used for a monitoring service for confirming the position of a child in a school or school, such as a school or a cram school, in combination with a function such as RFID (Radio Frequency Identification) (see Patent Document 1). In addition, by using various sensors such as vibration sensors and temperature sensors, individual identification of users of mobile communication terminals and analysis of the situation, safety confirmation service to confirm the safety of elderly living alone, Applications to services that provide accurate information to users in a timely manner are being made.

見守りサービス、安否確認サービス、情報提供サービスなど、このような携帯通信端末の携行者の状況に応じたサービスをきめ細かく行うには、絶えず、携帯通信端末のセンサにて計測した計測値を、サービスを提供するサーバに通知し、携帯通信端末の携行者の状況、環境を常に捕捉している必要があることになる。   In order to provide detailed services according to the status of the mobile communication terminal carrier, such as a monitoring service, safety confirmation service, information provision service, etc., the measured value measured by the sensor of the mobile communication terminal is constantly updated. It is necessary to notify the server to be provided and always capture the situation and environment of the mobile communication terminal carryer.

特開２０１０−１４７５３６号公報JP 2010-147536 A

定期的に通信する方法として、ＶｏＩＰなどを想定したSemi-persistentスケジューリングがある。ＶｏＩＰの場合、２０［ｍｓ］毎にＶｏＩＰパケットを通話相手との間で送受信し合うことになる。Semi-persistentスケジューリングでは、一定時間間隔（２０［ｍｓ］〜６４０［ｍｓ］）で、基地局（ｅＮＢ）が帯域を割り当てることを行う。他方、ＷＷＷブラウジング、ＦＴＰなどの場合、Dynamicスケジューリングで、送受信容量に応じて、一時的に帯域を割り当てることを行う。   As a method of periodically communicating, there is a semi-persistent scheduling that assumes VoIP or the like. In the case of VoIP, VoIP packets are transmitted to and received from the call partner every 20 [ms]. In semi-persistent scheduling, a base station (eNB) assigns a band at a constant time interval (20 [ms] to 640 [ms]). On the other hand, in the case of WWW browsing, FTP, etc., a band is temporarily allocated by dynamic scheduling according to transmission / reception capacity.

Semi-persistentスケジューリングを用いた音声通話などは、使用者が意識的に通信を利用しているため、ＶｏＩＰパケットの送受信が終わるまで、常に携帯通信端末の通信部は起動していることとなる。センサ情報をサーバに通知するためにSemi-persistentスケジューリングを使用した場合は、常に通信部が起動しつづけることとなり、通信時間と同等の時間しか使用できないこととなることを意味する。   In voice calls using semi-persistent scheduling, since the user is consciously using communication, the communication unit of the mobile communication terminal is always activated until transmission / reception of the VoIP packet is completed. When semi-persistent scheduling is used to notify the sensor information to the server, the communication unit always starts up, meaning that only the time equivalent to the communication time can be used.

これに対して、Dynamicスケジューリングを用い、ｗｗｗブラウジングと同じようにした場合、携帯通信端末の通信部は、センサ情報をサーバに送るときに、上り帯域割当要求を行い、基地局（ｅＮＢ）からの帯域割当に基づいて、センサ情報をサーバに送出する。送信が終了し、一定時間（DRX Inactivity Timer）（１〜２５６０［ｍｓ］）が経過すると、通信部はスリープ状態（DRX(Discontinuous Reception)）に入る。   On the other hand, when using dynamic scheduling and doing the same as www browsing, the communication unit of the mobile communication terminal makes an uplink bandwidth allocation request when sending sensor information to the server, and the base station (eNB) Based on the bandwidth allocation, the sensor information is sent to the server. When transmission ends and a certain time (DRX Inactivity Timer) (1 to 2560 [ms]) elapses, the communication unit enters a sleep state (DRX (Discontinuous Reception)).

センサが計測し、送信要求が発生すると、通信部は、間欠送受信タイミング（On Duration）に、上り帯域割当要求を行う。基地局（ｅＮＢ）から帯域割当が行われると、センサ情報をサーバに送出し、通信部のスリープ状態が解除される。送信が終了し、一定時間経過すると、通信部はスリープ状態に入る。これを繰り返すこととなる。   When the sensor measures and a transmission request is generated, the communication unit makes an uplink band allocation request at intermittent transmission / reception timing (On Duration). When band allocation is performed from the base station (eNB), the sensor information is sent to the server, and the sleep state of the communication unit is released. When the transmission ends and a certain time elapses, the communication unit enters a sleep state. This will be repeated.

Dynamicスケジューリングを用いる場合は、Semi-persistentスケジューリングに比べ、通信部がスリープ状態に入るために、消費電力は幾分低くなる。しかしながら、Dynamicスケジューリングを用いる場合でも、センサ情報の送信が発生する度に、通信部はスリープ状態が解除されることとなり、また、スリープ状態に移行するまでの時間（DRX Inactivity Timer）が、センサの通知周期より短い場合、スリープ状態に移行することなく、Semi-persistentスケジューリングの場合と同じく、常に通信部が起動していることとなり、消費電力が問題となる。   In the case of using dynamic scheduling, the power consumption is somewhat lower because the communication unit enters the sleep state compared to semi-persistent scheduling. However, even when dynamic scheduling is used, each time sensor information is transmitted, the communication unit is released from the sleep state, and the time until transition to the sleep state (DRX Inactivity Timer) is If it is shorter than the notification cycle, the communication unit is always activated without shifting to the sleep state, as in the case of semi-persistent scheduling, and power consumption becomes a problem.

本発明は、このような問題点に鑑みてなされたものであり、本発明の目的は、携帯通信端末で計測したセンサ情報を、サービスを提供するサーバに通知する際に、携帯通信端末の消費電力を低く抑えることができる携帯通信システムを提供することにある。   The present invention has been made in view of such problems, and an object of the present invention is to consume the mobile communication terminal when notifying the sensor information measured by the mobile communication terminal to the server that provides the service. An object of the present invention is to provide a mobile communication system that can keep power consumption low.

上記目的を達成するため、本発明は、間欠送受信期間が満了するとスリープ状態に戻る携帯通信端末と基地局から構成される携帯通信システムにおいて、前記携帯通信端末は、センサを有し、前記携帯通信端末は、前記スリープ状態のときに前記センサにて計測されたセンサ情報のデータを前記間欠送受信期間にて前記基地局に送信した場合、前記間欠送受信期間満了に伴い前記スリープ状態に移行し、前記携帯通信端末は、前記センサ情報および前記センサ情報以外のデータを前記間欠送受信期間にて前記基地局に送信した場合、前記間欠送受信期間が満了しても前記スリープ状態に移行しないことを特徴とする。   To achieve the above object, the present invention provides a mobile communication system including a mobile communication terminal and a base station that return to a sleep state when an intermittent transmission / reception period expires, wherein the mobile communication terminal includes a sensor, and the mobile communication When transmitting data of sensor information measured by the sensor to the base station in the intermittent transmission / reception period when the terminal is in the sleep state, the terminal shifts to the sleep state when the intermittent transmission / reception period expires, When the mobile communication terminal transmits the sensor information and data other than the sensor information to the base station during the intermittent transmission / reception period, the mobile communication terminal does not shift to the sleep state even when the intermittent transmission / reception period expires. .

上記目的を達成するため、本発明は、間欠送受信期間が満了するとスリープ状態に戻る携帯通信端末において、前記スリープ状態のときにセンサにて計測されたセンサ情報のデータを前記間欠送受信期間にて基地局に送信した場合、前記間欠送受信期間満了に伴い前記スリープ状態に移行し、前記センサ情報および前記センサ情報以外のデータを前記間欠送受信期間にて前記基地局に送信した場合、前記間欠送受信期間が満了しても前記スリープ状態に移行しない。   In order to achieve the above object, the present invention provides a mobile communication terminal that returns to a sleep state when an intermittent transmission / reception period expires, and transmits sensor information data measured by a sensor during the sleep state in the intermittent transmission / reception period. When transmitted to a station, when the intermittent transmission / reception period expires, the sleep state is entered, and when the sensor information and data other than the sensor information are transmitted to the base station during the intermittent transmission / reception period, the intermittent transmission / reception period is Even if it expires, it does not enter the sleep state.

基地局は、間欠送受信期間にて上り送信帯域を割り当て、この上り送信帯域を用いて、携帯通信端末からセンサ情報のデータを受信した場合は、受信したデータを制御データとして扱うために、間欠送受信期間が満了すると、携帯通信端末は、スリープ状態に戻ることとなる。このため、本発明によれば、携帯通信端末で計測したセンサ情報を、サービスを提供するサーバに通知するときに、携帯通信端末の消費電力を低く抑えることが可能となる。   The base station allocates an upstream transmission band in the intermittent transmission / reception period, and when using the upstream transmission band to receive sensor information data from the mobile communication terminal, the base station performs intermittent transmission / reception to handle the received data as control data. When the period expires, the mobile communication terminal returns to the sleep state. Therefore, according to the present invention, when the sensor information measured by the mobile communication terminal is notified to the server that provides the service, the power consumption of the mobile communication terminal can be kept low.

本発明の実施形態に係る携帯通信システムの構成を示す図である。It is a figure which shows the structure of the mobile communication system which concerns on embodiment of this invention. 基地局が携帯通信端末からセンサ情報のみのデータを受信するときの携帯通信端末と基地局とサーバの動作を説明するシーケンス図である。It is a sequence diagram explaining operation | movement of a mobile communication terminal, a base station, and a server when a base station receives the data of only sensor information from a mobile communication terminal. 基地局が携帯通信端末からセンサ情報以外のデータを受信するときの携帯通信端末と基地局とサーバの動作を説明するシーケンス図である。It is a sequence diagram explaining operation | movement of a mobile communication terminal, a base station, and a server when a base station receives data other than sensor information from a mobile communication terminal.

本発明の実施の形態について、図面を参照して説明する。図１は、本発明の実施形態に係る携帯通信システムの構成を示す図である。使用者１に携行されている携帯通信端末（ＵＥ）１１は、基地局（ｅＮＢ）１２と無線接続する。携帯通信端末（ＵＥ）１１のセンサにて計測された計測値は、基地局（ｅＮＢ）１２およびネットワーク１９を介して、サーバ１３に通知される。サーバ１３は、携帯通信端末（ＵＥ）１１に対して設定されているサービス内容に基づいて、受信したセンサ情報を解析する。例えば、設定されているサービス内容が、児童の登下校における見守りサービスである場合、受信した位置情報が、想定されるエリアの外に出たと判断された場合、前もって設定されている通知先（児童の保護者、警察など）に通報する。なお、ここで、センサは、例えば、周辺情報、位置情報、人体情報などを計測する各種センサである。携帯通信端末（ＵＥ）１１は、例えば、携帯電話機、スマートフォンなどの情報端末である。   Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a configuration of a mobile communication system according to an embodiment of the present invention. A mobile communication terminal (UE) 11 carried by a user 1 is wirelessly connected to a base station (eNB) 12. The measurement value measured by the sensor of the mobile communication terminal (UE) 11 is notified to the server 13 via the base station (eNB) 12 and the network 19. The server 13 analyzes the received sensor information based on the service content set for the mobile communication terminal (UE) 11. For example, if the set service content is a watch service at a child's attending school, if it is determined that the received location information is outside the assumed area, the notification destination (the child To parents, police, etc.). Here, the sensors are, for example, various sensors that measure peripheral information, position information, human body information, and the like. The mobile communication terminal (UE) 11 is an information terminal such as a mobile phone or a smartphone.

図２は、図１に示す携帯通信システムにおいて、基地局が携帯通信端末からセンサ情報のみのデータを受信するときの携帯通信端末と基地局とサーバの動作を説明するシーケンス図である。   FIG. 2 is a sequence diagram illustrating operations of the mobile communication terminal, the base station, and the server when the base station receives data of only sensor information from the mobile communication terminal in the mobile communication system shown in FIG.

携帯通信端末１１のＵＭ Ｅｎｔｉｔｙの接続において、ＰＣＲＦ（Policy and Charging Rules Function）からのＱｏＳ情報がセンサ情報である場合、基地局１２は、センサ情報に付随する送信間隔Ｔｓｎｓに基づいて、スリープ状態におけるスリープ間隔（DRX Cycle＝Ｔｓｎｓ）および間欠送受信期間（On duration）を決定する。   In connection of UM Entity of mobile communication terminal 11, when QoS information from PCRF (Policy and Charging Rules Function) is sensor information, base station 12 is in a sleep state based on transmission interval Tsns accompanying sensor information. A sleep interval (DRX Cycle = Tsns) and an intermittent transmission / reception period (On duration) are determined.

基地局１２は、携帯通信端末１１の通信部がスリープ状態にある場合、間欠送受信期間（On duration）時に、センサ情報用の上り送信帯域を割り当てるものとする。携帯通信端末１１は、基地局１２からのセンサ情報用の上り帯域割り当て（PDCCH）を受信すると、センサによる計測値を前記上り帯域にて送出する。基地局１２は、前記センサ情報用の上り帯域によるデータを受信し、ユーザデータ（Entity QoS＝センサ情報）をサーバ１３に送出する。基地局１２は、携帯通信端末１１からの受信データがセンサ情報とするｅｎｔｉｔｙの上りデータのみの場合、受信データを制御データとして扱い、間欠送受信期間（On Duration）満了に伴い、対象とする携帯通信端末１１が、スリープ状態に移行する。   When the communication unit of the mobile communication terminal 11 is in the sleep state, the base station 12 allocates an uplink transmission band for sensor information during an intermittent transmission / reception period (On duration). When the mobile communication terminal 11 receives an uplink band allocation (PDCCH) for sensor information from the base station 12, the mobile communication terminal 11 transmits a measurement value by the sensor in the uplink band. The base station 12 receives the upstream data for sensor information and sends user data (Entity QoS = sensor information) to the server 13. The base station 12 treats the received data as control data when the received data from the mobile communication terminal 11 is only the uplink data of the sensor information, and the target mobile communication with the expiration of the intermittent transmission / reception period (On Duration) The terminal 11 shifts to the sleep state.

また、基地局１２は、センサ情報の受信に基づいて、上り同期補正値を算出し、同期補正情報（Timing Advance Command）を携帯通信端末１１へ通知する。携帯通信端末１１は、同期補正情報を受信すると、上りの同期補正を行う。また、携帯通信端末１１は、同期補正情報の受信を持って、センサ情報が基地局１２に到達したと判断する。   Further, the base station 12 calculates an uplink synchronization correction value based on the reception of the sensor information, and notifies the mobile communication terminal 11 of the synchronization correction information (Timing Advance Command). When receiving the synchronization correction information, the mobile communication terminal 11 performs uplink synchronization correction. In addition, the mobile communication terminal 11 determines that the sensor information has reached the base station 12 upon receipt of the synchronization correction information.

図３は、図１に示す携帯通信システムにおいて、基地局が携帯通信端末からセンサ情報以外のデータを受信するときの携帯通信端末と基地局とサーバの動作を説明するシーケンス図である。   FIG. 3 is a sequence diagram illustrating operations of the mobile communication terminal, the base station, and the server when the base station receives data other than sensor information from the mobile communication terminal in the mobile communication system shown in FIG.

基地局１２は、携帯通信端末１１の通信部がスリープ状態にある場合、間欠送受信期間（On duration）時に、センサ情報用の上り送信帯域を割り当てるものとする。携帯通信端末１１は、基地局１２からのセンサ情報用の上り帯域割り当て（PDCCH）を受信すると、センサによる計測値を前記上り帯域にて送出する。基地局１２は、前記センサ情報用の上り帯域によるデータを受信し、ユーザデータ（Entity QoS≠センサ情報）をサーバ１３に送出する。基地局１２は、携帯通信端末１１からの受信データがセンサ情報とするＥｎｔｉｔｙの上りデータのみでない場合、受信データをユーザデータとして扱い、携帯通信端末１１が、スリープ状態を解除し、DRX Inactivity Timerを開始する。   When the communication unit of the mobile communication terminal 11 is in the sleep state, the base station 12 allocates an uplink transmission band for sensor information during an intermittent transmission / reception period (On duration). When the mobile communication terminal 11 receives an uplink band allocation (PDCCH) for sensor information from the base station 12, the mobile communication terminal 11 transmits a measurement value by the sensor in the uplink band. The base station 12 receives the upstream data for sensor information and sends user data (Entity QoS ≠ sensor information) to the server 13. The base station 12 treats the received data as user data when the received data from the mobile communication terminal 11 is not only Entity uplink data as sensor information, and the mobile communication terminal 11 cancels the sleep state and sets the DRX Inactivity Timer. Start.

基地局１２は、スリープ解除状態においても、センサの通知周期Ｔｓｎｓ毎に、センサ情報用の上り帯域割り当てを行う。携帯通信端末１１から上り帯域割り当て要求（Buffer Status Report）がある場合は、帯域割り当て要求（Buffer Status Report）にて示された上り帯域割り当て要求に、センサ情報用の上り帯域分を加えて、スケジューリングを行う。   Even in the sleep release state, the base station 12 performs uplink bandwidth allocation for sensor information every sensor notification cycle Tsns. When there is an upstream bandwidth allocation request (Buffer Status Report) from the mobile communication terminal 11, scheduling is performed by adding the upstream bandwidth for sensor information to the upstream bandwidth allocation request indicated by the bandwidth allocation request (Buffer Status Report). I do.

上述したように、基地局は、間欠送受信期間にて上り送信帯域を割り当て、この上り送信帯域を用いて、携帯通信端末からセンサ情報のデータを受信した場合は、受信したデータを制御データとして扱うために、間欠送受信期間が満了すると、携帯通信端末は、スリープ状態に戻ることとなる。このため、本発明によれば、携帯通信端末は、間欠送受信期間では、センサ情報の送信分、電力を消費するが、Semi-persistentスケジューリングやDynamicスケジューリングを利用した場合と比べ、消費電力を低く抑えることが可能となる。   As described above, the base station allocates an upstream transmission band in the intermittent transmission / reception period, and when the sensor information data is received from the mobile communication terminal using this upstream transmission band, the received data is handled as control data. For this reason, when the intermittent transmission / reception period expires, the mobile communication terminal returns to the sleep state. Therefore, according to the present invention, the mobile communication terminal consumes power for the transmission of sensor information in the intermittent transmission / reception period, but keeps power consumption low compared to the case of using semi-persistent scheduling or dynamic scheduling. It becomes possible.

１ 使用者
１１ 携帯通信端末
１２ 基地局
１３ サーバ
１９ ネットワーク 1 User 11 Mobile Communication Terminal 12 Base Station 13 Server 19 Network

Claims (2)

間欠送受信期間が満了するとスリープ状態に戻る携帯通信端末と基地局から構成される携帯通信システムにおいて、
前記携帯通信端末は、センサを有し、
前記携帯通信端末は、前記スリープ状態のときに前記センサにて計測されたセンサ情報のデータを前記間欠送受信期間にて前記基地局に送信した場合、前記間欠送受信期間満了に伴い前記スリープ状態に移行し、
前記携帯通信端末は、前記センサ情報および前記センサ情報以外のデータを前記間欠送受信期間にて前記基地局に送信した場合、前記間欠送受信期間が満了しても前記スリープ状態に移行しないことを特徴とする携帯通信システム。 In a mobile communication system composed of a mobile communication terminal and a base station that return to sleep when the intermittent transmission / reception period expires,
The mobile communication terminal has a sensor,
When the mobile communication terminal transmits sensor information data measured by the sensor to the base station during the intermittent transmission / reception period in the sleep state, the mobile communication terminal shifts to the sleep state when the intermittent transmission / reception period expires. And
When the mobile communication terminal transmits the sensor information and data other than the sensor information to the base station in the intermittent transmission / reception period, the mobile communication terminal does not shift to the sleep state even if the intermittent transmission / reception period expires. Mobile communication system. 間欠送受信期間が満了するとスリープ状態に戻る携帯通信端末において、
前記スリープ状態のときにセンサにて計測されたセンサ情報のデータを前記間欠送受信期間にて基地局に送信した場合、前記間欠送受信期間満了に伴い前記スリープ状態に移行し、
前記センサ情報および前記センサ情報以外のデータを前記間欠送受信期間にて前記基地局に送信した場合、前記間欠送受信期間が満了しても前記スリープ状態に移行しない携帯通信端末。 In the mobile communication terminal that returns to sleep when the intermittent transmission / reception period expires,
When the sensor information data measured by the sensor in the sleep state is transmitted to the base station in the intermittent transmission / reception period, transition to the sleep state with the expiration of the intermittent transmission / reception period,
A portable communication terminal that does not shift to the sleep state even when the intermittent transmission / reception period expires when the sensor information and data other than the sensor information are transmitted to the base station during the intermittent transmission / reception period.
JP2018036941A 2018-03-01 2018-03-01 Portable communication system and portable communication terminal Pending JP2018113712A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111436100A (en) * 2019-01-11 2020-07-21 华为技术有限公司 Communication method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111436100A (en) * 2019-01-11 2020-07-21 华为技术有限公司 Communication method and device
CN111436100B (en) * 2019-01-11 2024-04-12 华为技术有限公司 Communication method and device

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