JP2004260432A - Delay detection cancellation system for base station apparatus - Google Patents

Delay detection cancellation system for base station apparatus Download PDF

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JP2004260432A
JP2004260432A JP2003047586A JP2003047586A JP2004260432A JP 2004260432 A JP2004260432 A JP 2004260432A JP 2003047586 A JP2003047586 A JP 2003047586A JP 2003047586 A JP2003047586 A JP 2003047586A JP 2004260432 A JP2004260432 A JP 2004260432A
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base station
connection
processing
reception
response signal
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Taketoshi Mine
壮俊 嶺
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NEC Corp
MX Mobiling Ltd
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NEC Corp
MX Mobiling Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To cancel delay by reducing addition without performing processing when determining that a base station whose state exceeds the limit of processing does not reach the connection of call. <P>SOLUTION: The base station 11 has a transmission and reception processing part 120 at the inside, receives a connection request signal 15 at a reception part 121 for transferring to a processing part 123, performs the processing for radio communication to mobile machines 13, 14 at the processing part 123, and transmits a connection setting response signal 16 from the transmission part 125. A base station controlling apparatus 12 transmits the connection request signal 15 to the base station 11; and sets a transmission line, such as voice, between the mobile machines 13 and 14. A time stamp addition part 122 maintains reception time when receiving the connection request signal 15. The processor 123 takes the difference between the reception time maintained by the time stamp addition part 122 and current one, and has a judgment part 124 for judging whether actual processing is performed by judging whether a threshold is exceeded. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は基地局装置の遅延検知解消方式に関し、特に移動体通信の基地局において処理負荷による遅延を検知し、遅延状態をできる限り早く解消することにより処理の効率化を図る基地局装置の遅延検知解消方式に関する。
【０００２】
【従来の技術】
一般に、移動体通信の基地局において処理負荷による遅延を検知し、その遅延状態を出来る限り早く解消することにより処理の効率化を図り、結果的に多くの呼を処理することが要求される。こうした装置では通常基地局制御装置などの上位ノードによって輻輳制御が行われていること、また上位ノードでの処理能力の関係から基地局装置にて処理の輻輳が起こることはあまり無いとされている。
【０００３】
上位ノードでは有線回線や無線回線トラヒックについての輻輳に関して検出を行っているが、基地局装置の処理付加に関しては余り重要視されていないことが多い。しかしながら、基地局装置では回線の利用率が低い場合でも瞬間的な負荷などで処理に遅延が発生してしまい、そのため上位ノードでタイムアウトが起こり接続できない呼が発生してしまう場合などがある。
【０００４】
また、一度発生した遅延は遅延の元となった処理がある程度処理されるまで解消されることはなく、遅延が発生している間にも上位ノードからさらに接続要求を受信することにより、さらなる輻輳状態を招いてしまうことになる。従って、基地局としては不要な処理を減らし、可能な限り早く処理限界を超えた状態を解消する必要がある。
【０００５】
従来の基地局装置の遅延検知解消方式は、基地局及びユーザ局間で同期がとられ、パケット最小入力時間間隔以上の刻み幅のタイムスタンプ値を送信局側でパケットに付加し、受信局側ではパケットの受信毎に付加されたタイムスタンプ値を参照し、パケットの送信側に入力された時刻に対し所定の遅延時間経過後に、パケットをタイムスタンプの刻み幅の時間内に出力することで、基地局でのパケット処理の負荷を小さくし、処理遅延時間を一定にし、多数のユーザ局収容に対して基地局の処理増大を抑制している（例えば、特許文献１参照。）。
【０００６】
また、受信品質が閾値より小さいとき受信データを廃棄することで不要な受信データが減少し、基地局と基地局制御装置間のトラヒックの低減を図っているものもある（例えば、特許文献２参照。）。
【０００７】
【特許文献１】
特開２０００−６９０９３号公報（第２−６頁）
【特許文献２】
特開２００１−３５２５７２号公報（第２−４頁、図１）
【０００８】
【発明が解決しようとする課題】
上述した従来の基地局装置の遅延検知解消方式は、基地局装置では回線の利用率が低い場合でも瞬間的な負荷などで処理に遅延が発生してしまい、そのため上位ノードでタイムアウトが起こり接続できない呼が発生してしまうという欠点を有している。
【０００９】
また、一度発生した遅延は遅延の元となった処理がある程度処理されるまで解消されることはなく、遅延が発生している間にも上位ノードからさらに接続要求を受信することによりさらなる輻輳状態を招いてしまうという欠点を有している。
【００１０】
この遅延は処理負荷が一定値以下になるまで発生し、その間に処理が増加すればさらに増加してしまうので、遅延が一定以上の場合は呼の接続には至らず、このために行われた処理はすべて無駄になってしまうという欠点を有している。
【００１１】
本発明の目的は、基地局装置においてこのような処理負荷による遅延が発生した場合に、上位ノードにてタイムアウトとなることが確定している呼に関しては内部の処理や無線部分に関する設定などの処理を行わず、基地局装置の処理限界を超えているとしてすぐに接続に失敗したことを示す応答メッセージを返すようにすることで、結果的に無駄となる処理に処理能力を奪われることなく全体としての処理量を減らすことで負荷を低減し、高負荷状態をできるかぎり早く解消し迅速に定常状態に遷移させる基地局装置の遅延検知解消方式を提供することにある。
【００１２】
【課題を解決するための手段】
本発明の第１の基地局装置の遅延検知解消方式は、
基地局と、この基地局を制御する基地局制御装置と、前記基地局と交信する移動機とであって、
前記移動機との間に伝送路を設定する場合、前記基地局制御装置より前記基地局に対して接続要求信号が送信され、前記基地局では前記接続要求信号を受信し、前記移動機に対する無線接続のための処理を行い、
無線接続処理終了後に、前記基地局は前記基地局制御装置に対して接続設定処理が完了したことを示す接続設定応答信号を送信し、
前記基地局制御装置は、前記接続設定応答信号を受信すると前記移動機との接続処理を行い前記移動機での通話を許可するとともに、処理負荷による遅延発生時には接続が行われなかったことを示す無接続通知応答信号を前記基地局より受信することで、それ以上の処理を中断し前記移動機に対して接続失敗を通知することを特徴としている。
【００１３】
本発明の第２の基地局装置の遅延検知解消方式は、
基地局と、この基地局を制御する基地局制御装置と、前記基地局と交信する移動機とであって、
前記移動機から発信を行うと、前記基地局制御装置より前記移動機との無線区間の設定を行う接続要求信号が前記基地局に対して送られ、前記基地局では前記接続要求信号を受信すると前記移動機に対する無線接続のための処理を行い、無線接続処理終了後は前記基地局制御装置に対して接続設定処理が完了したことを示す接続設定応答信号を送信し、
前記基地局制御装置は、前記接続設定応答信号を受信すると音声接続のための有線側の処理を行い、これらの処理が終了すると前記移動機での通話を許可し、一方、接続が行われなかったことを示す無接続通知応答信号を受信すると、それ以上処理を行わず前記移動機に対して接続が失敗したことを通知することを特徴としている。
【００１４】
本発明の第３の基地局装置の遅延検知解消方式は、前記第１または第２の基地局装置の遅延検知解消方式において、
前記基地局は、送受信処理部を有し、
前記送受信処理部は、送信部と、受信部と、この受信部に含まれ前記接続要求信号を受信した際に受信時刻を保持するタイムスタンプ付加部と、処理部と、この処理部に含まれ前記タイムスタンプ付加部で保持した受信時刻と現在時刻の差分をとり、この差分が閾値を超えているかどうかで処置の継続を行うかどうかを判断する判断部とを備えたことを特徴としている。
【００１５】
本発明の第４の基地局装置の遅延検知解消方式は、前記第３の基地局装置の遅延検知解消方式において、
前記受信部は、
前記接続要求信号を受信した後、直ちに受信時の時刻を読み出しその受信時刻を記録したタイムスタンプを受信要求信号に付加し、前記タイムスタンプを付加した前記受信要求信号は前記処理部に送信され、前記処理部の処理キューに積まれ実際に処理されるのを待つことを特徴としている。
【００１６】
本発明の第５の基地局装置の遅延検知解消方式は、前記第３または第４の基地局装置の遅延検知解消方式において、
前記処理部は
前記受信部からの前記受信要求信号を前記処理キューから取り出すと、前記タイムスタンプ付加部で付加された受信時刻を示すタイムスタンプと現在の時刻との比較を行い、受信時刻と現在時刻の差が許容範囲内かどうかを判定し、比較した結果閾値未満であった場合には、前記処理部は前記移動機に対する無線接続のための処理を行い、処理終了後は接続処理が完了したことを示す応答信号を作成し、前記送信部より接続設定応答信号の送信を行うことを特徴としている。
【００１７】
本発明の第６の基地局装置の遅延検知解消方式は、前記第５の基地局装置の遅延検知解消方式において、
比較した結果が閾値以上であった場合には無線接続のための処理は行わず、即座に接続が行われなかったことを示す無接続通知応答信号を作成し、前記送信部から送信することを特徴としている。
【００１８】
本発明の第７の基地局装置の遅延検知解消方式は、前記第５または第６の基地局装置の遅延検知解消方式において、
前記送信部から前記基地局制御装置に送信される前記接続設定応答信号は、前記応答信号及び前記無接続通知応答信号を含むことを特徴としている。
【００１９】
本発明の第８の基地局装置の遅延検知解消方式は、前記第３の基地局装置の遅延検知解消方式において、
前記基地局制御装置は、接続処理が完了したことを示す前記接続設定応答信号を受信すると音声接続のための有線側の処理を行い、これらの処理が終了すると前記移動機の通話を許可し、一方、接続が行われなかったことを示す前記無接続通知応答信号を受信すると、それ以上処理を行わず前記移動機に対しても接続が失敗したことを通知することを特徴としている。
【００２０】
本発明の第９の基地局装置の遅延検知解消方式は、前記第３の基地局装置の遅延検知解消方式において、
前記基地局制御装置は、
前記基地局の処理付加のために接続が行われなかったことを示す無接続通知応答信号を受信した際に、前記基地局が安定するまで前記接続要求信号を送信しないことを特徴としている。
【００２１】
本発明の第１０の基地局装置の遅延検知解消方式は、
基地局と、この基地局を制御する基地局制御装置と、前記基地局と交信する移動機とであって、
前記移動機から発信を行うと、前記基地局に対しては前記基地局制御装置より前記移動機との無線区間の設定を行う接続要求信号が送られ、前記基地局の受信部が接続要求信号を受信する接続要求受信ステップと；
受信した後、受信時の時刻を読み出しその受信時刻を記録したタイムスタンプを受信要求信号に付加する受信時刻記録ステップと；
前記タイムスタンプを付加された前記受信要求信号は処理部に送信され、前記処理部の処理キューに積まれ実際に処理されるのを持つ処理部送信ステップと；前記処理部では前記受信部からの前記受信要求信号を前記処理キューから取り出す受信要求取り出しステップと；
付加された前記受信時刻を示す前記タイムスタンプと現在の時刻との比較を行い、前記受信時刻と現在時刻の差が許容範囲内かどうかを判定する判定ステップと；
この判定ステップで、比較した結果閾値未満であった場合には、前記処理部は前記移動機に対する無線接続のための処理を行う無線接続処理ステップと；
無線接続処理終了後は、接続処理が完了したことを示す応答信号を作成し、前記判定ステップで、比較した結果が閾値以上であった場合には無線接続のための処理は行わず、即座に接続が行われなかったことを示す無接続通知応答信号を作成する応答作成ステップと：
前記送信部より接続設定応答信号の送信を行う応答送信ステップと；
を備えた方法を特徴としている。
【００２２】
本発明の第１１の基地局装置の遅延検知解消方式は、前記第１０の基地局装置の遅延検知解消方式において、
前記基地局制御装置は、前記無線接続処理が完了したことを示す接続設定応答信号を受信すると音声接続のための有線側の処理を行い、これらの処理が終了すると前記移動機での通話を許可し、一方、接続が行われなかったことを示す無接続通知応答信号を受信すると、それ以上処理を行わず前記移動機に対しても接続が失敗したことを通知する方法を特徴としている。
【００２３】
本発明の第１２の基地局装置の遅延検知解消方式は、前記第１０または第１１の基地局装置の遅延検知解消方式において、
前記基地局制御装置側は、前記基地局の処理負荷のために接続が行われなかったことを示す前記無接続通知応答信号を前記基地局から受信した際に、前記基地局が安定するまで前記接続要求信号を送信しない方法を特徴としている。
【００２４】
【発明の実施の形態】
次に、本発明の実施の形態について図面を参照して説明する。
【００２５】
図１は本発明の基地局装置の遅延検知解消方式の一つの実施の形態を示すブロック図である。
【００２６】
図１に示す本実施の形態は、基地局１１と、基地局１１を制御する基地局制御装置１２と、基地局１１と交信する移動機１３及び移動機１４とから構成されている。
【００２７】
また、基地局１１が内部に有する送受信処理部１２０は、送信部１２５、受信部１２１、受信部１２１に含まれるタイムスタンプ付加部１２２、処理部１２３、処理部１２３に含まれる判断部１２４を有している。
【００２８】
通常、移動機１３及び移動機１４との間に音声などの伝送路を設定する場合、基地局制御装置１２より基地局１１に対して接続要求信号１５が送信される。基地局１１では接続要求信号１５を受信部１２１にて受信し、処理部１２３に転送し、この処理部１２３にて移動機１３及び移動機１４に対する無線接続のための処理を行う。
【００２９】
無線接続処理終了後は基地局制御装置１２に対して接続設定処理が完了したことを示す接続設定応答信号１６を送信部１２５より送信する。
【００３０】
なお、受信部１２１にタイムスタンプ付加部１２２を有しており、接続要求信号１５を受信した際に受信時刻を保持できるようになっている。
【００３１】
また、処理部１２３はタイムスタンプ付加部１２２で保持した受信時刻と現在時刻の差分をとり、閾値を越えているかどうかで実際の処理を行うかどうかを判断する判断部１２４を有している。
【００３２】
なおここでは、基地局制御装置１２より上位の装置に関しては便宜上省略している。
【００３３】
図２は基地局装置の受信部の動作を示すフローチャートである。
【００３４】
図３は基地局装置の判断部の動作を示すフローチャートである。
【００３５】
次に、図１、図２及び図３を参照して本実施の形態の動作をより詳細に説明する。
【００３６】
図１を参照して、移動機１３から発信を行うと、基地局１１に対しては基地局制御装置１２より移動機１３との無線区間の設定等を行う接続要求信号１５が送られてくる。基地局１１では接続要求信号１５を受信すると、受信部１２１にて図２に示す処理が行われる。
【００３７】
受信部１２１では接続要求信号１５を受信した後（ステップ１：Ｓ１）、すぐに受信時の時刻を読み出しその受信時刻を記録したタイムスタンプを受信要求信号１２６に付加する（ステップ２：Ｓ２）。タイムスタンプを付加された受信要求信号１２６は処理部１２３に送信され、処理部１２３の処理キューに積まれ実際に処理されるのを待つ（ステップ３：Ｓ３）。
【００３８】
一方、処理部１２３では図３に示す処理が行われる。
【００３９】
処理部１２３では受信部１２１からの受信要求信号１２６をキューから取り出すと（ステップ１：Ｒ１）と、タイムスタンプ付加部１２２で付加された受信時刻を示すタイムスタンプと現在時刻との比較を行い、受信時刻と現在時刻の差が許容範囲内かどうかを判定する（ステップ２：Ｒ２）。比較した結果閾値未満であった場合には、処理部１２３は移動機１３に対する無線接続のための処理を行う（ステップ３：Ｒ３）。
【００４０】
処理終了後は接続処理が完了したことを示す応答信号１２７を作成し（ステップ４：Ｒ４）、送信部１２５より接続設定応答信号１６の送信を行う（ステップ５：Ｒ５）。なお、ステップ２で、比較した結果が闘値以上であった場合にはステップ４に進み、無線接続のための処理は行わず、即座に接続が行われなかったことを示す無接続通知応答信号１２８を作成し、送信部１２５から送信を行う。
【００４１】
送信部１２５から基地局制御装置１２に送信される接続設定応答信号１６は、応答信号１２７及び無接続通知応答信号１２８を含む。
【００４２】
基地局制御装置１２では、接続処理が完了したことを示す接続設定応答信号１６を受信すると音声接続のための有線側の処理などを行う。これらの処理が終了すると移動機１３での通話が可能となる。一方、接続が行われなかったことを示す無接続通知応答信号１２８を受信すると、それ以上処理を行わず移動機１３に対しても接続が失敗したことを通知する。
【００４３】
上述した動作例では基地局１１にて行う処理に関して説明をしたが、基地局制御装置１２側で基地局１１の処理負荷のために接続が行われなかったことを示す無接続通知応答信号１２８を受信した際に、基地局１１が安定するまで接続要求信号１５を送信しないといった処理も考えられる。
【００４４】
基地局１１から見て、基地局制御装置１２と通信を行っているのが受信部１２１と送信部１２５である。受信部１２１では接続要求信号１５を基地局制御装置１２から受信した時点で、タイムスタンプ付加部１２２により受信した際の時刻情報を受信した受信要求信号１２６に付加する。実際に処理部１２３では処理が可能となった時点で判断部１２４にて処理を行う。
【００４５】
つまり、受信部にて受信した際に付加された時刻情報と現在の時刻とを比較し閾値を超えていなければ実際の処理を行い、設定後正しく設定されたことを示す応答として、応答信号１２７を送信部１２５より受信する。閾値を超えていた場合には処理を行わず直ちに設定されなかったことを報告する応答として、無接続通知応答信号１２８を送信部１２５より送信することになる。
【００４６】
このように待ち時間の閾値を超えた要求に関しては処理を行わないことで、不要となってしまう処理による負荷を軽減することができ、結果的に多くの呼を設定できる。
【００４７】
図４は基地局における処理負荷に対する遅延の関係を示す図である。
【００４８】
図４で縦軸は遅延時間を示し、横軸は処理量を示す。処理量が基地局の処理能力限界点Ａを超えていなければ、遅延時間は実際の処理時間のみとなるため常に一定である。しかし、処理量が処理能力限界点Ａを超えると処理しきれない処理が積み重なっていき、徐々に遅延が発生し遅延時間が増大する。遅延時間が遅延許容限界点Ｂを超えると上位のプロトコルでタイムアウトが発生し、結果的に呼の接続はできなくなってしまう。この遅延は処理負荷が一定値以下になるまで発生し、その間に処理が増加すればさらに増加してしまう。
【００４９】
従って、遅延が一定以上の遅延許容限界点Ｂを超えた場合は呼の接続には至らず、このために行われた処理はすべて無駄になってしまうので、基地局としては不要な処理を減らし可能な限り早く処理限界を超えた状態を解消する必要がある。
【００５０】
本発明はこの様な処理限界を超えた状態の基地局において呼の接続に至らないことが確定している場合には処理を行わず、負荷を低減することにより迅速に定常状態へと遷移させるものである。
【００５１】
上述のとおり、基地局装置においてこのような処理負荷による遅延が発生した場合に、上位ノードにてタイムアウトとなることが確定している呼に関しては内部の処理や無線部分に関する設定などの処理を行わず、基地局装置の処理限界を超えているとしてすぐに接続に失敗したことを示す応答メッセージを返すようにすることにより、結果的に無駄となってしまう処理に処理能力を奪われることなく全体としての処理量を減らすことで高負荷状態を解消することができる。
【００５２】
【発明の効果】
以上説明したように、本発明の基地局装置の遅延検知解消方式は、基地局にて処理負荷による遅延が発生した場合、処理を行ってもタイムアウトしてしまい呼接続にまで至らない処理に関して処理を省くことができるので、処理量自体を削減し処理負荷による遅延状態を迅速に解消し、無駄となる処理を行わないという効果を有している。
【００５３】
また、処理を行うか行わないかの判断をタイムスタンプの負荷とその比較という単純なアルゴリズムで行うので、判断処理自体の処理負荷によって新たなる遅延を発生させる原因となる事態を避けるという効果を有している。
【図面の簡単な説明】
【図１】本発明の基地局装置の遅延検知解消方式の一つの実施の形態を示すブロック図である。
【図２】基地局装置の受信部の動作を示すフローチャートである。
【図３】基地局装置の判断部の動作を示すフローチャートである。
【図４】基地局における処理負荷に対する遅延の関係を示す図である。
【符号の説明】
１１ 基地局
１２ 基地局制御装置
１３，１４ 移動機
１５ 接続要求信号
１６ 接続設定応答信号
１２０ 送受信処理部
１２１ 受信部
１２２ タイムスタンプ付加部
１２３ 処理部
１２４ 判断部
１２５ 送信部
１２６ 受信要求信号
１２７ 応答信号
１２８ 無接続通知応答信号[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a delay detection and elimination method for a base station apparatus, and more particularly, to a base station apparatus for mobile communication that detects a delay due to a processing load and eliminates the delay state as soon as possible to improve processing efficiency. It relates to the detection cancellation method.
[0002]
[Prior art]
In general, it is required that a base station for mobile communication detects a delay due to a processing load and eliminates the delay state as soon as possible to improve the efficiency of the processing and consequently process a large number of calls. In such an apparatus, it is generally considered that congestion control is performed by an upper node such as a base station controller, and that processing congestion rarely occurs in the base station apparatus due to the processing capability of the upper node. .
[0003]
The upper node detects the congestion of the wire line or wireless line traffic, but the processing addition of the base station apparatus is often not regarded as important. However, in the base station apparatus, even when the line utilization rate is low, the processing is delayed due to an instantaneous load or the like, so that there is a case where a timeout occurs in an upper node and a call that cannot be connected occurs.
[0004]
In addition, once the delay has occurred, it will not be resolved until the processing that caused the delay has been processed to some extent. It will invite the state. Therefore, it is necessary for the base station to reduce unnecessary processing and eliminate a state where the processing limit is exceeded as soon as possible.
[0005]
In the conventional delay detection and elimination method of a base station device, synchronization is established between a base station and a user station, and a time stamp value having a step size equal to or longer than a minimum input time interval of a packet is added to a packet at a transmitting station side, and the receiving station side With reference to the time stamp value added every time a packet is received, the packet is output within the time stamp interval after a predetermined delay time has elapsed from the time input to the packet transmitting side. The load of packet processing in the base station is reduced, the processing delay time is kept constant, and the increase in the processing of the base station for accommodating a large number of user stations is suppressed (for example, see Patent Document 1).
[0006]
In addition, when reception quality is smaller than a threshold, unnecessary reception data is reduced by discarding reception data, and there is also a method for reducing traffic between a base station and a base station controller (for example, see Patent Document 2). .).
[0007]
[Patent Document 1]
JP-A-2000-69093 (pages 2-6)
[Patent Document 2]
JP 2001-352572 A (pages 2-4, FIG. 1)
[0008]
[Problems to be solved by the invention]
In the above-described conventional delay detection and elimination method of the base station apparatus, even when the line utilization rate is low in the base station apparatus, a delay occurs in processing due to an instantaneous load or the like, and a timeout occurs in the upper node and connection cannot be established. There is a disadvantage that a call is generated.
[0009]
In addition, once the delay has occurred, it will not be resolved until the processing that caused the delay has been processed to some extent. Has the drawback of causing
[0010]
This delay occurs until the processing load falls below a certain value, and if the processing increases during that time, it will increase further, so if the delay is more than a certain value, the call will not be connected, and this is done. All processes have the disadvantage of being wasted.
[0011]
It is an object of the present invention to provide processing such as internal processing and setting relating to a radio part for a call determined to be timed out by an upper node when a delay due to such processing load occurs in the base station apparatus. , And immediately return a response message indicating that the connection has failed as exceeding the processing limit of the base station device, so that the processing capacity is not deprived of wasteful processing as a result. It is an object of the present invention to provide a delay detection elimination method for a base station apparatus in which a load is reduced by reducing a processing amount as described above, and a high load state is eliminated as quickly as possible and a transition to a steady state is quickly performed.
[0012]
[Means for Solving the Problems]
A first base station apparatus according to the present invention has a delay detection canceling method.
A base station, a base station control device for controlling the base station, and a mobile station communicating with the base station,
When setting a transmission path with the mobile station, a connection request signal is transmitted from the base station control device to the base station, the base station receives the connection request signal, the radio for the mobile station Perform connection processing,
After the wireless connection process, the base station transmits a connection setting response signal indicating that the connection setting process has been completed to the base station controller,
The base station control device, upon receiving the connection setting response signal, performs a connection process with the mobile device, permits a call with the mobile device, and indicates that connection was not performed when a delay due to a processing load occurred. By receiving a no-connection notification response signal from the base station, further processing is interrupted and the mobile device is notified of a connection failure.
[0013]
The delay detection cancellation method of the second base station apparatus according to the present invention includes:
A base station, a base station control device for controlling the base station, and a mobile station communicating with the base station,
When a call is made from the mobile station, a connection request signal for setting a wireless section with the mobile station is sent to the base station from the base station controller, and the base station receives the connection request signal. Performs a process for wireless connection to the mobile device, after the wireless connection process is completed, transmits a connection setting response signal indicating that the connection setting process is completed to the base station controller,
The base station controller, upon receiving the connection setting response signal, performs a process on the wired side for voice connection, and when these processes are completed, permits a call with the mobile device, while the connection is not performed. When receiving the non-connection notification response signal indicating that the connection has failed, the mobile terminal is notified that the connection has failed without performing any further processing.
[0014]
The delay detection cancellation method of the third base station apparatus of the present invention is the delay detection cancellation method of the first or second base station apparatus,
The base station has a transmission / reception processing unit,
The transmission / reception processing unit includes a transmission unit, a reception unit, a time stamp addition unit included in the reception unit, which holds a reception time when the connection request signal is received, a processing unit, and a transmission unit included in the processing unit. And a determining unit that obtains a difference between the reception time held by the time stamp adding unit and the current time, and determines whether to continue the treatment based on whether the difference exceeds a threshold.
[0015]
The delay detection cancellation method of the fourth base station apparatus of the present invention is the delay detection cancellation method of the third base station apparatus,
The receiving unit,
After receiving the connection request signal, immediately read the time at the time of reception, add a time stamp that records the reception time to the reception request signal, the reception request signal with the time stamp is transmitted to the processing unit, It is characterized in that it is loaded in a processing queue of the processing unit and waits for actual processing.
[0016]
The delay detection cancellation method of the fifth base station apparatus of the present invention is the delay detection cancellation method of the third or fourth base station apparatus,
When the processing unit extracts the reception request signal from the reception unit from the processing queue, the processing unit compares the time stamp indicating the reception time added by the time stamp addition unit with the current time, and compares the reception time with the current time. The processing unit determines whether the time difference is within an allowable range, and if the result of the comparison is less than the threshold, the processing unit performs a process for wireless connection to the mobile device, and after the process is completed, the connection process is completed. A response signal indicating that the connection has been made is created, and a connection setting response signal is transmitted from the transmission unit.
[0017]
The delay detection cancellation method of the sixth base station apparatus of the present invention is the delay detection cancellation method of the fifth base station apparatus,
If the result of the comparison is greater than or equal to the threshold, processing for wireless connection is not performed, a non-connection notification response signal indicating that connection has not been immediately made, and transmitted from the transmitting unit. Features.
[0018]
The delay detection cancellation method of the seventh base station apparatus of the present invention is the delay detection cancellation method of the fifth or sixth base station apparatus,
The connection setting response signal transmitted from the transmission unit to the base station controller includes the response signal and the no-connection notification response signal.
[0019]
The delay detection cancellation method of the eighth base station apparatus of the present invention is the delay detection cancellation method of the third base station apparatus,
Upon receiving the connection setting response signal indicating that the connection process has been completed, the base station control device performs a process on the wired side for voice connection, and when these processes are completed, permits a call of the mobile device, On the other hand, when the non-connection notification response signal indicating that the connection has not been made is received, the mobile device is notified that the connection has failed without further processing.
[0020]
The ninth delay detection cancellation method of the base station apparatus according to the present invention is the delay detection cancellation method of the third base station apparatus,
The base station controller,
When receiving a no-connection notification response signal indicating that connection has not been made due to processing addition of the base station, the base station does not transmit the connection request signal until the base station is stabilized.
[0021]
A tenth base station apparatus according to the present invention includes:
A base station, a base station control device for controlling the base station, and a mobile station communicating with the base station,
When a call is transmitted from the mobile station, a connection request signal for setting a radio section with the mobile station is sent from the base station control device to the base station, and the receiving section of the base station transmits a connection request signal. Receiving a connection request for receiving
Receiving, after receiving, reading the time at the time of reception, and adding a time stamp recording the reception time to the reception request signal;
The timestamp-attached reception request signal is transmitted to a processing unit, and is transmitted to a processing unit which is loaded in a processing queue of the processing unit and actually processed; A receiving request extracting step of extracting the receiving request signal from the processing queue;
A determination step of comparing the time stamp indicating the added reception time with a current time, and determining whether a difference between the reception time and the current time is within an allowable range;
In this determination step, if the result of the comparison is less than the threshold value, the processing unit performs a wireless connection processing step of performing a wireless connection to the mobile device;
After the wireless connection process is completed, a response signal indicating that the connection process has been completed is created, and in the determination step, if the comparison result is equal to or greater than the threshold, the process for wireless connection is not performed, and A response creating step for creating a no connection notification response signal indicating that no connection has been made:
A response transmission step of transmitting a connection setting response signal from the transmission unit;
The method is characterized by the following.
[0022]
An eleventh base station apparatus according to the present invention is the delay detection canceling method according to the tenth base station apparatus,
Upon receiving the connection setting response signal indicating that the wireless connection processing has been completed, the base station control apparatus performs processing on the wired side for voice connection, and when these processings are completed, permits a call with the mobile device. On the other hand, when a non-connection notification response signal indicating that the connection has not been made is received, the method is characterized by performing no further processing and notifying the mobile device that the connection has failed.
[0023]
The twelfth base station apparatus according to the present invention is the delay detection cancellation system according to the tenth or eleventh base station apparatus,
The base station controller side, when receiving from the base station the no-connection notification response signal indicating that the connection was not performed due to the processing load of the base station, until the base station is stabilized The method is characterized in that a connection request signal is not transmitted.
[0024]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
[0025]
FIG. 1 is a block diagram showing one embodiment of the delay detection elimination method of the base station apparatus of the present invention.
[0026]
This embodiment shown in FIG. 1 includes a base station 11, a base station control device 12 for controlling the base station 11, and mobile stations 13 and 14 communicating with the base station 11.
[0027]
The transmission / reception processing unit 120 included in the base station 11 includes a transmission unit 125, a reception unit 121, a time stamp addition unit 122 included in the reception unit 121, a processing unit 123, and a determination unit 124 included in the processing unit 123. are doing.
[0028]
Normally, when a transmission path for voice or the like is set between the mobile device 13 and the mobile device 14, a connection request signal 15 is transmitted from the base station control device 12 to the base station 11. In the base station 11, the connection request signal 15 is received by the receiving unit 121 and transferred to the processing unit 123, and the processing unit 123 performs processing for wireless connection to the mobile devices 13 and 14.
[0029]
After the completion of the wireless connection process, the transmission unit 125 transmits a connection setting response signal 16 indicating that the connection setting process has been completed to the base station controller 12.
[0030]
Note that the receiving section 121 has a time stamp adding section 122 so that the receiving time can be held when the connection request signal 15 is received.
[0031]
Further, the processing unit 123 has a determination unit 124 that obtains a difference between the reception time held by the time stamp addition unit 122 and the current time, and determines whether to perform an actual process based on whether or not the reception time exceeds a threshold.
[0032]
Here, devices higher than the base station control device 12 are omitted for convenience.
[0033]
FIG. 2 is a flowchart showing the operation of the receiving unit of the base station device.
[0034]
FIG. 3 is a flowchart showing the operation of the determination unit of the base station device.
[0035]
Next, the operation of the present embodiment will be described in more detail with reference to FIG. 1, FIG. 2 and FIG.
[0036]
Referring to FIG. 1, when a call is transmitted from mobile device 13, connection request signal 15 for setting a wireless section with mobile device 13 is transmitted from base station control device 12 to base station 11. . When the base station 11 receives the connection request signal 15, the processing shown in FIG.
[0037]
After receiving the connection request signal 15 (step 1: S1), the receiving unit 121 immediately reads the time at the time of reception and adds a time stamp recording the reception time to the reception request signal 126 (step 2: S2). The reception request signal 126 to which the time stamp is added is transmitted to the processing unit 123, and is stored in a processing queue of the processing unit 123 and waits for actual processing (Step 3: S3).
[0038]
On the other hand, the processing section 123 performs the processing shown in FIG.
[0039]
When the processing unit 123 takes out the reception request signal 126 from the reception unit 121 from the queue (step 1: R1), the processing unit 123 compares the time stamp indicating the reception time added by the time stamp addition unit 122 with the current time, It is determined whether the difference between the reception time and the current time is within an allowable range (Step 2: R2). If the result of the comparison is less than the threshold, the processing unit 123 performs a process for wireless connection to the mobile device 13 (step 3: R3).
[0040]
After the processing is completed, a response signal 127 indicating that the connection processing has been completed is created (step 4: R4), and the connection setting response signal 16 is transmitted from the transmission unit 125 (step 5: R5). If it is determined in step 2 that the comparison result is equal to or greater than the threshold value, the process proceeds to step 4 in which no wireless connection processing is performed, and a no-connection notification response signal indicating that connection has not been immediately performed. 128 is generated and transmitted from the transmission unit 125.
[0041]
Connection setting response signal 16 transmitted from transmitting section 125 to base station controller 12 includes response signal 127 and no-connection notification response signal 128.
[0042]
Upon receiving the connection setting response signal 16 indicating that the connection processing has been completed, the base station controller 12 performs processing on the wired side for voice connection. When these processes are completed, a telephone call with the mobile device 13 becomes possible. On the other hand, when the non-connection notification response signal 128 indicating that the connection has not been made is received, the mobile device 13 is notified of the connection failure without further processing.
[0043]
In the above-described operation example, the process performed by the base station 11 has been described. However, the base station controller 12 generates a no-connection notification response signal 128 indicating that connection has not been performed due to the processing load of the base station 11. When receiving, the connection request signal 15 may not be transmitted until the base station 11 is stabilized.
[0044]
The receiving unit 121 and the transmitting unit 125 communicate with the base station control device 12 as viewed from the base station 11. When receiving the connection request signal 15 from the base station controller 12, the receiving section 121 adds the time information when the time stamp was received by the time stamp adding section 122 to the received reception request signal 126. Actually, when the processing becomes possible in the processing unit 123, the processing is performed in the determination unit 124.
[0045]
That is, the time information added at the time of reception by the receiving unit is compared with the current time, and if the current time is not exceeded, the actual processing is performed, and after the setting, the response signal 127 From the transmission unit 125. If the value exceeds the threshold value, the non-connection notification response signal 128 is transmitted from the transmission unit 125 as a response for reporting that the setting has not been performed immediately without performing the process.
[0046]
As described above, by not processing a request that exceeds the threshold value of the waiting time, the load due to unnecessary processing can be reduced, and as a result, many calls can be set.
[0047]
FIG. 4 is a diagram illustrating the relationship between the processing load and the delay in the base station.
[0048]
In FIG. 4, the vertical axis indicates the delay time, and the horizontal axis indicates the processing amount. If the processing amount does not exceed the processing capacity limit point A of the base station, the delay time is only the actual processing time and is always constant. However, when the processing amount exceeds the processing capacity limit point A, processing that cannot be processed is accumulated, and a delay gradually occurs, and a delay time increases. If the delay time exceeds the allowable delay point B, a timeout occurs in a higher-level protocol, and as a result, a call cannot be connected. This delay occurs until the processing load becomes equal to or less than a certain value, and further increases if the processing increases during that time.
[0049]
Therefore, if the delay exceeds the delay allowable limit point B which is not less than a certain value, the call is not connected, and all the processing performed for this purpose is wasted, so that unnecessary processing as a base station is reduced. It is necessary to eliminate the state of exceeding the processing limit as soon as possible.
[0050]
The present invention does not perform processing when it is determined that a call connection will not be made in a base station in a state exceeding such a processing limit, and quickly transitions to a steady state by reducing the load. Things.
[0051]
As described above, when a delay due to such a processing load occurs in the base station apparatus, an internal process or a process related to a wireless portion is performed for a call determined to be timed out by an upper node. Instead, by returning a response message indicating that the connection failed as soon as the processing limit of the base station device has been exceeded, the overall processing capacity is not lost to the processing that is wasted as a result. By reducing the processing amount as described above, the high load state can be eliminated.
[0052]
【The invention's effect】
As described above, the delay detection and elimination method of the base station apparatus of the present invention performs processing related to processing that does not lead to a call connection due to timeout even when processing is performed when a delay due to processing load occurs in the base station. Therefore, there is an effect that the processing amount itself is reduced, the delay state due to the processing load is quickly eliminated, and no useless processing is performed.
[0053]
Further, since the determination as to whether or not to perform the processing is performed by a simple algorithm of comparing the load of the time stamp with the time stamp, there is an effect of avoiding a situation that causes a new delay due to the processing load of the determination processing itself. are doing.
[Brief description of the drawings]
FIG. 1 is a block diagram showing one embodiment of a delay detection cancellation method for a base station device according to the present invention.
FIG. 2 is a flowchart illustrating an operation of a receiving unit of the base station device.
FIG. 3 is a flowchart illustrating an operation of a determination unit of the base station device.
FIG. 4 is a diagram illustrating a relationship between a processing load and a delay in a base station.
[Explanation of symbols]
REFERENCE SIGNS LIST 11 base station 12 base station control devices 13 and 14 mobile device 15 connection request signal 16 connection setting response signal 120 transmission / reception processing unit 121 reception unit 122 time stamp addition unit 123 processing unit 124 determination unit 125 transmission unit 126 reception request signal 127 response signal 128 No connection notification response signal

Claims (12)

基地局と、この基地局を制御する基地局制御装置と、前記基地局と交信する移動機とであって、
前記移動機との間に伝送路を設定する場合、前記基地局制御装置より前記基地局に対して接続要求信号が送信され、前記基地局では前記接続要求信号を受信し、前記移動機に対する無線接続のための処理を行い、
無線接続処理終了後に、前記基地局は前記基地局制御装置に対して接続設定処理が完了したことを示す接続設定応答信号を送信し、
前記基地局制御装置は、前記接続設定応答信号を受信すると前記移動機との接続処理を行い前記移動機での通話を許可するとともに、処理負荷による遅延発生時には接続が行われなかったことを示す無接続通知応答信号を前記基地局より受信することで、それ以上の処理を中断し前記移動機に対して接続失敗を通知することを特徴とする基地局装置の遅延検知解消方式。A base station, a base station control device for controlling the base station, and a mobile station communicating with the base station,
When setting a transmission path with the mobile station, a connection request signal is transmitted from the base station control device to the base station, the base station receives the connection request signal, the radio for the mobile station Perform connection processing,
After the wireless connection process, the base station transmits a connection setting response signal indicating that the connection setting process has been completed to the base station controller,
The base station control device, upon receiving the connection setting response signal, performs a connection process with the mobile device, permits a call with the mobile device, and indicates that connection was not performed when a delay due to a processing load occurred. A delay detection elimination method for a base station apparatus, wherein a non-connection notification response signal is received from the base station to stop further processing and notify the mobile station of a connection failure. 基地局と、この基地局を制御する基地局制御装置と、前記基地局と交信する移動機とであって、
前記移動機から発信を行うと、前記基地局制御装置より前記移動機との無線区間の設定を行う接続要求信号が前記基地局に対して送られ、前記基地局では前記接続要求信号を受信すると前記移動機に対する無線接続のための処理を行い、無線接続処理終了後は前記基地局制御装置に対して接続設定処理が完了したことを示す接続設定応答信号を送信し、
前記基地局制御装置は、前記接続設定応答信号を受信すると音声接続のための有線側の処理を行い、これらの処理が終了すると前記移動機での通話を許可し、一方、接続が行われなかったことを示す無接続通知応答信号を受信すると、それ以上処理を行わず前記移動機に対して接続が失敗したことを通知することを特徴とする基地局装置の遅延検知解消方式。A base station, a base station control device for controlling the base station, and a mobile station communicating with the base station,
When a call is made from the mobile station, a connection request signal for setting a wireless section with the mobile station is sent to the base station from the base station controller, and the base station receives the connection request signal. Performs a process for wireless connection to the mobile device, after the wireless connection process is completed, transmits a connection setting response signal indicating that the connection setting process is completed to the base station controller,
The base station controller, upon receiving the connection setting response signal, performs a process on the wired side for voice connection, and when these processes are completed, permits a call with the mobile device, while the connection is not performed. Receiving the no-connection notification response signal indicating that the connection has failed, and notifying the mobile station that the connection has failed without performing any further processing. 前記基地局は、送受信処理部を有し、
前記送受信処理部は、送信部と、受信部と、この受信部に含まれ前記接続要求信号を受信した際に受信時刻を保持するタイムスタンプ付加部と、処理部と、この処理部に含まれ前記タイムスタンプ付加部で保持した受信時刻と現在時刻の差分をとり、この差分が閾値を超えているかどうかで処置の継続を行うかどうかを判断する判断部とを備えたことを特徴とする請求項１又は請求項２記載の基地局装置の遅延検知解消方式。The base station has a transmission / reception processing unit,
The transmission / reception processing unit includes a transmission unit, a reception unit, a time stamp addition unit included in the reception unit, which holds a reception time when the connection request signal is received, a processing unit, and a transmission unit included in the processing unit. A determination unit configured to determine a difference between the reception time held by the time stamp adding unit and the current time, and determine whether to continue the treatment based on whether the difference exceeds a threshold value. 3. The method for eliminating delay detection of a base station device according to claim 1 or 2. 前記受信部は、
前記接続要求信号を受信した後、直ちに受信時の時刻を読み出しその受信時刻を記録したタイムスタンプを受信要求信号に付加し、前記タイムスタンプを付加した前記受信要求信号は前記処理部に送信され、前記処理部の処理キューに積まれ実際に処理されるのを待つことを特徴とする請求項３記載の基地局装置の遅延検知解消方式。The receiving unit,
After receiving the connection request signal, immediately read the time at the time of reception, add a time stamp that records the reception time to the reception request signal, the reception request signal with the time stamp is transmitted to the processing unit, 4. The delay detection elimination method according to claim 3, wherein the processing unit is queued in a processing queue of the processing unit and waits for actual processing. 前記処理部は
前記受信部からの前記受信要求信号を前記処理キューから取り出すと、前記タイムスタンプ付加部で付加された受信時刻を示すタイムスタンプと現在の時刻との比較を行い、受信時刻と現在時刻の差が許容範囲内かどうかを判定し、比較した結果閾値未満であった場合には、前記処理部は前記移動機に対する無線接続のための処理を行い、処理終了後は接続処理が完了したことを示す応答信号を作成し、前記送信部より接続設定応答信号の送信を行うことを特徴とする請求項３又は請求項４記載の基地局装置の遅延検知解消方式。When the processing unit extracts the reception request signal from the reception unit from the processing queue, the processing unit compares the time stamp indicating the reception time added by the time stamp addition unit with the current time, and compares the reception time with the current time. The processing unit determines whether the time difference is within an allowable range, and if the result of the comparison is less than the threshold, the processing unit performs a process for wireless connection to the mobile device, and after the process is completed, the connection process is completed. 5. The delay detection elimination method for a base station device according to claim 3, wherein a response signal indicating that the connection has been made is created, and a connection setting response signal is transmitted from the transmission unit. 請求項５記載の基地局装置の遅延検知解消方式において、
比較した結果が閾値以上であった場合には無線接続のための処理は行わず、即座に接続が行われなかったことを示す無接続通知応答信号を作成し、前記送信部から送信することを特徴とする基地局装置の遅延検知解消方式。The delay detection cancellation method for a base station device according to claim 5,
If the result of the comparison is greater than or equal to the threshold, processing for wireless connection is not performed, a non-connection notification response signal indicating that connection has not been immediately made, and transmitted from the transmitting unit. Characteristic delay detection cancellation method for base station equipment. 前記送信部から前記基地局制御装置に送信される前記接続設定応答信号は、前記応答信号及び前記無接続通知応答信号を含むことを特徴とする請求項５又は請求項６記載の基地局装置の遅延検知解消方式。7. The base station apparatus according to claim 5, wherein the connection setting response signal transmitted from the transmission unit to the base station control device includes the response signal and the no-connection notification response signal. Delay detection cancellation method. 前記基地局制御装置は、接続処理が完了したことを示す前記接続設定応答信号を受信すると音声接続のための有線側の処理を行い、これらの処理が終了すると前記移動機の通話を許可し、一方、接続が行われなかったことを示す前記無接続通知応答信号を受信すると、それ以上処理を行わず前記移動機に対しても接続が失敗したことを通知することを特徴とする請求項３記載の基地局装置の遅延検知解消方式。Upon receiving the connection setting response signal indicating that the connection process has been completed, the base station control device performs a wired-side process for voice connection, and when these processes are completed, permits the mobile device to talk. On the other hand, upon receiving the no-connection notification response signal indicating that the connection has not been made, the mobile device notifies the mobile device that the connection has failed without performing any further processing. 3. The delay detection cancellation method of the base station device described in the above. 前記基地局制御装置は、
前記基地局の処理付加のために接続が行われなかったことを示す無接続通知応答信号を受信した際に、前記基地局が安定するまで前記接続要求信号を送信しないことを特徴とする請求項３記載の基地局装置の遅延検知解消方式。The base station controller,
When receiving a no-connection notification response signal indicating that a connection has not been made for the processing addition of the base station, the base station does not transmit the connection request signal until the base station is stabilized. 3. The delay detection cancellation method of the base station device according to 3. 基地局と、この基地局を制御する基地局制御装置と、前記基地局と交信する移動機とであって、
前記移動機から発信を行うと、前記基地局に対しては前記基地局制御装置より前記移動機との無線区間の設定を行う接続要求信号が送られ、前記基地局の受信部が接続要求信号を受信する接続要求受信ステップと；
受信した後、受信時の時刻を読み出しその受信時刻を記録したタイムスタンプを受信要求信号に付加する受信時刻記録ステップと；
前記タイムスタンプを付加された前記受信要求信号は処理部に送信され、前記処理部の処理キューに積まれ実際に処理されるのを持つ処理部送信ステップと；前記処理部では前記受信部からの前記受信要求信号を前記処理キューから取り出す受信要求取り出しステップと；
付加された前記受信時刻を示す前記タイムスタンプと現在の時刻との比較を行い、前記受信時刻と現在時刻の差が許容範囲内かどうかを判定する判定ステップと；
この判定ステップで、比較した結果閾値未満であった場合には、前記処理部は前記移動機に対する無線接続のための処理を行う無線接続処理ステップと；
無線接続処理終了後は、接続処理が完了したことを示す応答信号を作成し、前記判定ステップで、比較した結果が閾値以上であった場合には無線接続のための処理は行わず、即座に接続が行われなかったことを示す無接続通知応答信号を作成する応答作成ステップと：
前記送信部より接続設定応答信号の送信を行う応答送信ステップと；
を備えたことを特徴とする基地局装置の遅延検知解消の方法。A base station, a base station control device for controlling the base station, and a mobile station communicating with the base station,
When a call is transmitted from the mobile station, a connection request signal for setting a radio section with the mobile station is sent from the base station control device to the base station, and the receiving section of the base station transmits a connection request signal. Receiving a connection request for receiving
Receiving, after receiving, reading the time at the time of reception, and adding a time stamp recording the reception time to the reception request signal;
The timestamp-attached reception request signal is transmitted to a processing unit, and is transmitted to a processing unit which is loaded in a processing queue of the processing unit and actually processed; A receiving request extracting step of extracting the receiving request signal from the processing queue;
A determination step of comparing the time stamp indicating the added reception time with a current time, and determining whether a difference between the reception time and the current time is within an allowable range;
In this determination step, if the result of the comparison is less than the threshold value, the processing unit performs a wireless connection processing step of performing a wireless connection to the mobile device;
After the wireless connection process is completed, a response signal indicating that the connection process has been completed is created, and in the determination step, if the comparison result is equal to or greater than the threshold, the process for wireless connection is not performed, and A response creating step for creating a no connection notification response signal indicating that no connection has been made:
A response transmission step of transmitting a connection setting response signal from the transmission unit;
A method for eliminating delay detection of a base station device, comprising: 前記基地局制御装置は、前記無線接続処理が完了したことを示す接続設定応答信号を受信すると音声接続のための有線側の処理を行い、これらの処理が終了すると前記移動機での通話を許可し、一方、接続が行われなかったことを示す無接続通知応答信号を受信すると、それ以上処理を行わず前記移動機に対しても接続が失敗したことを通知することを特徴とする請求項１０記載の基地局装置の遅延検知解消の方法。Upon receiving the connection setting response signal indicating that the wireless connection process has been completed, the base station control device performs a process on the wired side for voice connection, and when these processes are completed, permits a call with the mobile device. On the other hand, when receiving a no-connection notification response signal indicating that the connection has not been made, the mobile device notifies the mobile device that the connection has failed without performing further processing. 11. The method for eliminating delay detection of a base station apparatus according to 10. 前記基地局制御装置側は、前記基地局の処理負荷のために接続が行われなかったことを示す前記無接続通知応答信号を前記基地局から受信した際に、前記基地局が安定するまで前記接続要求信号を送信しないことを特徴とする請求項１０又は請求項１１記載の基地局装置の遅延検知解消の方法。The base station control device side, when receiving the no connection notification response signal from the base station indicating that the connection was not performed due to the processing load of the base station, until the base station is stabilized The method according to claim 10 or 11, wherein the connection request signal is not transmitted.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352550A (en) * 2005-06-16 2006-12-28 Nec Corp Mobile communication system, base station device, and call connection method
JP2019186642A (en) * 2018-04-04 2019-10-24 任天堂株式会社 Information processing device, control method, information processing system, and control program

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352550A (en) * 2005-06-16 2006-12-28 Nec Corp Mobile communication system, base station device, and call connection method
JP2019186642A (en) * 2018-04-04 2019-10-24 任天堂株式会社 Information processing device, control method, information processing system, and control program
JP7042677B2 (en) 2018-04-04 2022-03-28 任天堂株式会社 Information processing equipment, control method, information processing system, and control program

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