WO2011144121A2 - Procédé et dispositif pour un contrôle de la charge dans un réseau de communication sans fil - Google Patents

Procédé et dispositif pour un contrôle de la charge dans un réseau de communication sans fil Download PDF

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Publication number
WO2011144121A2
WO2011144121A2 PCT/CN2011/074891 CN2011074891W WO2011144121A2 WO 2011144121 A2 WO2011144121 A2 WO 2011144121A2 CN 2011074891 W CN2011074891 W CN 2011074891W WO 2011144121 A2 WO2011144121 A2 WO 2011144121A2
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WO
WIPO (PCT)
Prior art keywords
load
base station
flow control
rnc
control level
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Application number
PCT/CN2011/074891
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English (en)
Chinese (zh)
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WO2011144121A3 (fr
Inventor
王学亮
王春声
刘冰
Original Assignee
华为技术有限公司
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Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to SG2013083449A priority Critical patent/SG194897A1/en
Priority to CN201180001645.1A priority patent/CN102918890B/zh
Priority to PCT/CN2011/074891 priority patent/WO2011144121A2/fr
Priority to CA2836330A priority patent/CA2836330C/fr
Publication of WO2011144121A2 publication Critical patent/WO2011144121A2/fr
Publication of WO2011144121A3 publication Critical patent/WO2011144121A3/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a load control method and apparatus in a wireless communication network.
  • UMTS Universal Mobile Telecommunications System, universal mobile communication system
  • customer equipment subscriber With the widespread application of the installation, the user equipment, the impact of the UE on the RAN (Radio Access Network) is increasing.
  • the UE When the UE requests access to a NodeB (base station), the UE sends RRC (Radio Resource) to the NodeB. Control, radio resource control) connection request, the NodeB sends the received RRC connection request to the RNC (Radio Network The controller, the radio network controller, selects to reject or process the RRC connection request by the RNC, and notifies the NodeB to reject or permit the UE to access.
  • RRC Radio Resource
  • RNC Radio Network
  • the radio network controller selects to reject or process the RRC connection request by the RNC, and notifies the NodeB to reject or permit the UE to access.
  • the NodeB will become the bottleneck of the entire UMTS network.
  • a load control method in a UMTS network in the prior art is that the RNC decides to reject or process the RRC connection request of all NodeBs according to the load resource usage of all NodeBs under its jurisdiction.
  • the RNC cannot perform different processing on the RRC connection request of each NodeB according to the specific load usage status of each NodeB, and performs differentiated flow control on each NodeB.
  • the embodiments of the present invention provide a load control method and apparatus in a wireless communication network, so that the RNC performs differentiated flow control on each NodeB according to the specific load usage status of each NodeB.
  • a load control method in a wireless communication network including:
  • the RNC selects to reject or process the RRC connection request according to the traffic control level of the base station.
  • a load control method in a wireless communication network including:
  • the base station sends a load status report to the RNC, where the load status report carries load information of the base station, so that the RNC determines a flow control level of the base station according to load information of the base station.
  • a load control apparatus in a wireless communication network is provided, the apparatus being disposed in a radio network controller RNC, where the apparatus specifically includes:
  • a base station flow control level acquiring module configured to receive a radio resource control RRC connection request sent by the base station, and acquire a flow control level of the base station;
  • the control processing module is configured to select to reject or process the RRC connection request according to the flow control level of the base station acquired by the base station flow control level acquiring module.
  • a load control apparatus in a wireless communication network is provided, the apparatus is disposed in a base station, and the apparatus specifically includes:
  • a load status request receiving module configured to receive a load status request sent by the radio network controller RNC;
  • a load status report sending module configured to send a load status report to the RNC, where the load status report carries load information of the base station, so that the RNC determines flow control of the base station according to load information of the base station grade.
  • the embodiment of the present invention selects to reject or process the RRC connection request according to the flow control level of the NodeB by the RNC. Therefore, the RNC can perform different processing on the RRC connection request of each NodeB according to the specific load usage status of each NodeB, and perform differentiated flow control on each NodeB.
  • FIG. 1 is a flowchart of processing of a load control method in a wireless communication network according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of processing of a load control method in a wireless communication network according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic structural diagram of a load control apparatus in a wireless communication network according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic structural diagram of a load control apparatus in another wireless communication network according to Embodiment 3 of the present invention.
  • FIG. 5 is a structural diagram of a load control apparatus in another wireless communication network according to Embodiment 3 of the present invention.
  • the processing flow of the load control method in a wireless communication network provided by this embodiment is as shown in FIG. 1 , and includes:
  • the RNC receives the RRC connection request sent by the NodeB, and the RNC acquires the traffic control level of the NodeB.
  • the RNC may receive a load status report that is sent by the NodeB and includes load information of the NodeB, and determine a flow control level of the NodeB according to the load information of the NodeB.
  • the load information of the foregoing NodeB may be load overload indication information or load normal indication information, and the RNC determines according to the quantity of the load overload indication information and the load normal indication information received within a set time.
  • the flow control level of the NodeB may be load overload indication information or load normal indication information, and the RNC determines according to the quantity of the load overload indication information and the load normal indication information received within a set time.
  • the RNC selects to reject or process the RRC connection request according to a traffic control level of the NodeB.
  • the RNC compares the traffic control level of the NodeB with a threshold, and selects to reject or process the RRC connection request according to the comparison result.
  • the RNC may convert the flow control level of the NodeB into a flow control probability factor, the flow control probability factor is proportional to the flow control level, and the flow control probability factor is an integer;
  • the RNC may generate a random number, where the random number is an integer.
  • the flow control probability factor is greater than the flow control probability factor, the RRC connection request is rejected, otherwise, the RRC connection request is processed.
  • the RNC rejects or processes the RRC connection request according to the flow control level of the NodeB. Therefore, the RNC can perform different processing on the RRC connection request of each NodeB according to the specific load usage status of each NodeB, and perform differentiated flow control on each NodeB.
  • the processing flow of the load control method in a wireless communication network provided by this embodiment is as shown in FIG. 2, and includes:
  • the lub port between the RNC and the NodeB can transmit a load status request and a load status report in the embodiment of the present invention.
  • the load status request is used by the RNC to notify the NodeB to perform load status information reporting
  • the load status report is used by the NodeB to report load status information to the RNC.
  • the RNC may send a load status request to the NodeB and start timing of the load status statistics timer.
  • the NodeB After receiving the load status request, the NodeB sends a load status report to the RNC, where the load status report carries load information of the NodeB.
  • the NodeB determines whether the load exceeds a preset threshold according to a set time interval, and if yes, sends a load carrying the load overload indication information to the RNC. Status report; otherwise, a load status report carrying the load normal indication information is sent to the RNC.
  • the NodeB may determine whether the used power resource exceeds a preset power resource congestion threshold according to a set time interval (for example, 5 seconds), and determine whether the used signaling resource exceeds a preset value. Signaling resource congestion threshold.
  • the NodeB When the NodeB determines that the power resource used by the Node exceeds the power resource congestion threshold and/or the signaling resource used by the NodeB exceeds the signaling resource congestion threshold, sends a load status report carrying the load overload indication information to the RNC; otherwise Sending a load status report carrying the load normal indication information to the RNC.
  • the RNC receives the load status report sent by the NodeB, and determines the flow control level of the NodeB according to the load information of the NodeB carried in the load status report.
  • the RNC may determine the flow control level of the NodeB according to the quantity of the load overload indication information and the load normal indication information received within a set time. Specifically, the RNC increases the value of the saved flow control level of the NodeB by a set value when the load status report carries the load overload indication information within the time duration of the load status statistics timer; When the load status report carries the load normal indication information, the value of the stored flow control level of the NodeB is decreased by a set value.
  • the value of the traffic control level of the NodeB may be in the range of 0-10, and represents 10 levels of the flow control level of the NodeB.
  • the above setting value can be 1.
  • the RNC may compare the traffic control level of the NodeB with a threshold, and select to reject or process the RRC connection request according to the comparison result.
  • the RNC converts the flow control level of the NodeB into a flow control probability factor, the flow control probability factor is proportional to the flow control level, and the flow control probability factor is an integer, for example, An integer between 0 and 100.
  • the RRC connection request sent by the mobile terminal received by the NodeB is random.
  • the embodiment of the present invention uses a random number as a threshold.
  • the RNC generates a random number, which is an integer, for example, may be an integer between 0 and 100.
  • the flow control probability factor is greater than the random number, the RRC connection request is rejected, otherwise, the RRC connection request is processed, and the NodeB is notified to accept the mobile terminal's access request.
  • the embodiment of the present invention may further transmit a load status termination message on the lub interface between the RNC and the NodeB, where the load status termination message is used by the RNC to notify the NodeB to stop reporting the load status information.
  • the RNC stops transmitting the load status report after transmitting the load status termination message to the NodeB.
  • the NodeB stops sending a load status report to the RNC.
  • the RNC saves the value of the flow control level of the NodeB obtained last time. According to the above process, the RNC can acquire and save the value of the flow control level of all NodeBs under its jurisdiction.
  • the embodiment of the present invention may also start the timing of the congestion statistics interval timer when the RNC starts the timing of the load state statistics timer, and the timing of the congestion statistics interval timer is less than the timing.
  • the duration of the load status statistics timer may also start the timing of the congestion statistics interval timer when the RNC starts the timing of the load state statistics timer, and the timing of the congestion statistics interval timer is less than the timing.
  • the RNC does not process the received load status report sent by the NodeB until the timing of the congestion statistics interval timer has not ended. After the timing of the congestion statistics interval timer ends, before the end of the counting of the load state statistics timer, the received load status report sent by the NodeB is processed to acquire the load carried in the load status report. Overload indication information or load normal indication information.
  • the congestion statistics interval timer is used to set a time interval for the load state information of the NodeB to prevent the NodeB from repeatedly reporting the load overload indication information in a relatively short period of time.
  • the RNC senses the load usage of the NodeB according to the received load status report sent by the NodeB, and selects to reject or process the RRC according to the load usage of the NodeB. Connection request. Therefore, the RNC can perform different processing on the RRC connection request of each NodeB according to the specific load usage status of each NodeB, and perform differentiated flow control on each NodeB.
  • the RNC can set the load state statistics timer and the congestion statistics interval timer to flexibly control the statistics duration and statistics interval of the load usage of the NodeB. This prevents the NodeB from repeatedly reporting the load overload indication information in a relatively short period of time. .
  • the NodeB can flexibly send a load status report carrying the load overload indication information or the load normal indication information to the RNC according to the power resource or signaling resource used by the NodeB.
  • the embodiment provides a load control device in a wireless communication network, and the device may be disposed in an RNC.
  • the specific structure of the device is as shown in FIG.
  • the traffic control level obtaining module 31 is configured to receive a radio resource control RRC connection request sent by the NodeB, and obtain a flow control level of the NodeB.
  • the control processing module 32 is configured to select to reject or process the RRC connection request according to the flow control level of the NodeB acquired by the flow control level acquiring module.
  • the RNC rejects or processes the RRC connection request according to the flow control level of the NodeB. Therefore, the RNC can perform different processing on the RRC connection request of each NodeB according to the specific load usage status of each NodeB, and perform differentiated flow control on each NodeB.
  • the embodiment further provides a load control device in another wireless communication network, and the device may be disposed in the RNC.
  • the specific structure of the device is as shown in FIG. 4, and specifically includes:
  • the traffic control level obtaining module 41 is configured to: after receiving the radio resource control RRC connection request sent by the NodeB, acquire a flow control level of the NodeB;
  • the control processing module 42 is configured to compare the flow control level of the NodeB acquired by the flow control level obtaining module 41 with a threshold value, and select to reject or process the RRC connection request according to the comparison result.
  • the flow control level obtaining module 41 may include:
  • the load status report receiving module 411 is configured to receive a load status report sent by the NodeB, where the load status report carries load information of the NodeB;
  • the flow control level determining module 412 is configured to determine a flow control level of the base station according to load information of the NodeB.
  • the flow control level determining module 412 can include:
  • the timing control module 4121 is configured to send a load status request to the NodeB, and start timing of the load status statistics timer.
  • the calculation processing module 4122 is configured to determine a flow control level of the NodeB according to the quantity of the load overload indication information and the load normal indication information received within the time duration of the load status statistics timer. Specifically, the load status report sent by the NodeB according to the set time interval is received during the time duration of the load status statistics timer, and when the load status report carries the load overload indication information, the RNC saves The value of the flow control level of the NodeB is increased by a set value; when the load status report carries the load normal indication information, the value of the flow control level of the NodeB is decreased by a set value.
  • the value of the traffic control level of the NodeB may be in the range of 0-10, and represents 10 levels of the flow control level of the NodeB.
  • the above setting value may be 1.
  • the value of the calculated flow control level is greater than 10
  • the value of the flow control level is also taken as 10.
  • the calculated value of the flow control level is less than 0, the value of the flow control level is also taken. 0.
  • timing control module 4121 is further configured to: after the timing of the load status statistics timer ends, the RNC sends a load status termination message to the NodeB;
  • the calculation processing module 4122 is further configured to stop receiving the load status report, and save the last obtained value of the flow control level of the NodeB.
  • timing control module 4121 is further configured to: when the timing of the load state statistics timer is started, start timing of the congestion statistics interval timer, where the timing of the congestion statistics interval timer is less than the load The timing of the status statistics timer;
  • the calculation processing module 4122 is further configured to: before receiving the counting of the negative congestion statistical interval timer, not processing the received load status report sent by the NodeB, where the congestion statistics interval timer is After the timer expires, the received load status report sent by the NodeB is processed.
  • control processing module 42 may include:
  • the comparison processing module 421 is configured to compare the flow control level of the NodeB with a threshold value
  • the selection processing module 422 is configured to select to reject or process the RRC connection request according to the comparison result obtained by the comparison processing module.
  • the comparison processing module 421 is further configured to convert a flow control level of the NodeB into a flow control probability factor, where the flow control probability factor is proportional to the flow control level, and the flow control probability The factor is an integer between 0 and 100;
  • the selection processing module 422 is further configured to generate a random number, where the random number is an integer between 0 and 100, and when the flow control probability factor acquired by the conversion processing module is greater than the random number, the method is rejected.
  • the RRC connection request otherwise, processes the RRC connection request.
  • the embodiment further provides a load control device in another wireless communication network, and the device may be disposed in a NodeB.
  • the specific structure of the device is as shown in FIG. 5, and specifically includes:
  • the load status request receiving module 51 is configured to receive a load status request sent by the RNC.
  • the load status report sending module 52 is configured to send a load status report to the RNC, where the load status report carries the load information of the NodeB, so that the RNC determines the traffic of the NodeB according to the load information of the NodeB. Control level.
  • the load status report sending module 52 is further configured to: after receiving the load status request, determine whether the load of the NodeB exceeds a preset threshold according to the set time interval, and if yes, Sending a load status report carrying the load overload indication information to the RNC; otherwise, transmitting a load status report carrying the load normal indication information to the RNC.
  • the load status report sending module 52 may determine, according to a set time interval (for example, 5 seconds), whether the power resource used by the base station exceeds a preset power resource congestion.
  • the threshold is used to determine whether the signaling resource used by the base station exceeds a preset signaling resource congestion threshold.
  • the signaling resource may be a signaling board CPU.
  • the load status report sending module 52 determines that the power resource used by the base station exceeds the power resource congestion threshold and/or the signaling resource used by the base station exceeds the signaling resource congestion threshold, sending the load overload indication information to the RNC.
  • the load status report otherwise, the load status report carrying the load normal indication information is sent to the RNC.
  • the load status report sending module 52 stops receiving the load status report to the RNC after receiving the load status termination message sent by the RNC.
  • the load control device is configured to detect the NodeB according to the received load status report sent by the NodeB. Load usage, and choose to reject or process the RRC connection request according to the load usage of the NodeB. Therefore, the RNC can perform different processing on the RRC connection request of each NodeB according to the specific load usage status of each NodeB, and perform differentiated flow control on each NodeB.
  • the load control device in the RNC can flexibly control the statistical duration and statistical interval of the load usage of the NodeB by setting the load state statistics timer and the congestion statistics interval timer, which can prevent the NodeB from frequently in a relatively short period of time. Repeatedly report the load overload indication information.
  • the embodiment of the present invention provides a load control device in the NodeB, and after receiving the load status request sent by the RNC, the load control device sends a load status report carrying the load information of the NodeB to the RNC, so that the RNC can be made according to the The load information of the NodeB determines the traffic control level of the NodeB.
  • the load control device in the NodeB may flexibly send a load status report carrying the load overload indication information or the load normal indication information to the RNC according to the power resource or the signaling resource used by the NodeB.
  • the storage medium may be a magnetic disk, an optical disk, or a read-only storage memory (Read-Only) Memory, ROM) or Random Access Memory (RAM).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte à un procédé et à un dispositif pour un contrôle de la charge dans un réseau de communication sans fil. Le procédé selon l'invention comprend les étapes suivantes : un contrôleur de réseau radio (RNC) reçoit une demande de connexion d'un contrôleur de ressources radio (RRC), envoyée par une station de base ; le RNC obtient le niveau de contrôle de débit de la station de base ; le RNC compare le niveau de contrôle de débit de la station de base à une valeur de seuil, puis refuse ou accepte de traiter la demande de connexion du RRC, sélectivement, sur la base du résultat de la comparaison. Dans la présente invention, le RNC traite la demande de connexion du RRC à chaque NodeB différemment en fonction de la charge spécifique et, pour ce faire, il utilise le statut de chaque NodeB. De ce fait, le traitement du contrôle de débit est différent pour chaque NodeB.
PCT/CN2011/074891 2011-05-30 2011-05-30 Procédé et dispositif pour un contrôle de la charge dans un réseau de communication sans fil WO2011144121A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SG2013083449A SG194897A1 (en) 2011-05-30 2011-05-30 Method and device for load control in wireless communication network
CN201180001645.1A CN102918890B (zh) 2011-05-30 2011-05-30 无线通信网络中的负载控制方法和装置
PCT/CN2011/074891 WO2011144121A2 (fr) 2011-05-30 2011-05-30 Procédé et dispositif pour un contrôle de la charge dans un réseau de communication sans fil
CA2836330A CA2836330C (fr) 2011-05-30 2011-05-30 Procede et dispositif pour un controle de la charge dans un reseau de communication sans fil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/074891 WO2011144121A2 (fr) 2011-05-30 2011-05-30 Procédé et dispositif pour un contrôle de la charge dans un réseau de communication sans fil

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WO2011144121A2 true WO2011144121A2 (fr) 2011-11-24
WO2011144121A3 WO2011144121A3 (fr) 2012-04-26

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CN (1) CN102918890B (fr)
CA (1) CA2836330C (fr)
SG (1) SG194897A1 (fr)
WO (1) WO2011144121A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015123836A1 (fr) * 2014-02-20 2015-08-27 Telefonaktiebolaget L M Ericsson (Publ) Gestion de trafic dans le réseau mobile
CN115277257A (zh) * 2022-09-27 2022-11-01 北京安盟信息技术股份有限公司 一种高并发大流量的视频安全隔离传输方法及系统

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CN1398067A (zh) * 2001-07-18 2003-02-19 华为技术有限公司 一种基于基站负载分配信道的新方法
CN1852567A (zh) * 2005-08-24 2006-10-25 上海华为技术有限公司 无线接入网节点至核心网节点的域内连接建立方法
CN101340701A (zh) * 2007-07-02 2009-01-07 上海华为技术有限公司 毫微微小区的接入控制方法及基站

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KR100798191B1 (ko) * 2006-12-22 2008-01-24 엘지노텔 주식회사 다차원 이동통신망에서의 부하분담을 위한 이동 단말의 호설정 방법

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CN1398067A (zh) * 2001-07-18 2003-02-19 华为技术有限公司 一种基于基站负载分配信道的新方法
CN1852567A (zh) * 2005-08-24 2006-10-25 上海华为技术有限公司 无线接入网节点至核心网节点的域内连接建立方法
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015123836A1 (fr) * 2014-02-20 2015-08-27 Telefonaktiebolaget L M Ericsson (Publ) Gestion de trafic dans le réseau mobile
US10231242B2 (en) 2014-02-20 2019-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Traffic management in the mobile network
CN115277257A (zh) * 2022-09-27 2022-11-01 北京安盟信息技术股份有限公司 一种高并发大流量的视频安全隔离传输方法及系统

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WO2011144121A3 (fr) 2012-04-26
CA2836330C (fr) 2016-05-24
CN102918890B (zh) 2016-06-22
CN102918890A (zh) 2013-02-06
SG194897A1 (en) 2013-12-30
CA2836330A1 (fr) 2011-11-24

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