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WO2010035577A1 - Système de communication, dispositif de traitement d'appel, procédé de communication et programme - Google Patents

Système de communication, dispositif de traitement d'appel, procédé de communication et programme Download PDF

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Publication number
WO2010035577A1
WO2010035577A1 PCT/JP2009/063776 JP2009063776W WO2010035577A1 WO 2010035577 A1 WO2010035577 A1 WO 2010035577A1 JP 2009063776 W JP2009063776 W JP 2009063776W WO 2010035577 A1 WO2010035577 A1 WO 2010035577A1
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WO
WIPO (PCT)
Prior art keywords
processing
call
processing unit
index value
call processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2009/063776
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English (en)
Japanese (ja)
Inventor
佑樹 小暮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
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NEC Corp
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Filing date
Publication date
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Publication of WO2010035577A1 publication Critical patent/WO2010035577A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a technique for controlling the processing capability of a call processing device that processes a call of a mobile device.
  • the communication service area and capacity (number of users accommodated, cell radius, number of carriers / cells, etc.) of a radio base station device in a mobile communication system are generally in the time zone (the most busy time) when there are many users in the daytime. Determined by considering the traffic model.
  • the capacity is related to the power consumption of the radio base station apparatus, and so much power is required to obtain a high capacity.
  • the number of users registered at night tends to be smaller than at daytime. In the time zone when the number of registered users is small, although the capacity may be low, the power utilization efficiency is low if the same capacity is maintained as in the most busy time.
  • the value of (accommodation capacity) / (number of users) that is, the value corresponding to the power consumption per user becomes relatively large, and the power consumption in the radio base station apparatus is inefficient. End up.
  • the base station apparatus disclosed in Patent Document 1 first estimates the number of mobile terminals in the service area.
  • the base station apparatus turns on only the signal processing units necessary for processing the transmission / reception signals with the estimated number of mobile terminals among the plurality of signal processing units, and turns off the other signal processing units. Yes.
  • the base station apparatus disclosed in Patent Document 2 stops the output of some carriers in stages when the number of registered mobile devices falls below a predetermined threshold.
  • these base station apparatuses need to shift the mobile terminal that has used the resource of the circuit that turns off the power to the resource of the circuit that is kept on, and this transition process takes time. There was a thing.
  • the base station apparatus described in Patent Document 1 or 2 has a problem that load distribution is difficult and it is impossible to quickly cope with fluctuations in the number of mobile communication devices.
  • An object of the present invention is to provide a communication system that can easily distribute load, can quickly respond to fluctuations in the number of mobile communication devices, and can improve power consumption efficiency.
  • a communication system of the present invention measures an index value that is an index of a processing load of a call processing device, and transmits a result information indicating a result of the measurement to the call processing device;
  • a processing unit that processes a call of a mobile device is variable, and includes a processing unit that increases or decreases power consumption by changing the processing capability, receives the result information from the communication device, and based on the result information, the processing unit
  • the call processing device has a processing capacity for processing a call of a mobile device, a processing unit whose power consumption is increased or decreased by changing the processing capacity, and an index value that is an index of a processing load of the call processing device.
  • a measurement result acquisition unit configured to acquire a measurement result; and a control unit configured to control the processing unit based on the result acquired by the measurement result acquisition unit.
  • the communication method of the present invention measures an index value that is an index of the processing load of the call processing device, transmits result information indicating the result of the measurement, and has a variable processing capability for processing a call of a mobile device,
  • a call processing device including a processing unit whose power consumption is increased or decreased by a change in processing capacity receives the result information and controls the processing unit based on the result information.
  • the program of the present invention moves to a computer based on a measurement result acquisition procedure for acquiring a measurement result of an index value that is an index of a processing load of a call processing device, and the result acquired in the measurement result acquisition procedure.
  • This is a program for executing a control procedure for controlling a processing unit in which the processing capacity for processing a machine call is variable and the power consumption is increased or decreased by changing the processing capacity.
  • the call processing device controls the processing unit based on the measurement result of the index value, the power consumption of the call processing device can be made efficient according to the change in the processing load.
  • the power of the processing unit is not turned off, load distribution is easy, and it is possible to respond quickly to changes in the number of mobile devices.
  • 1 is an overall view showing a configuration of a communication system according to a first exemplary embodiment of the present invention. It is a block diagram which shows the structure of the base station apparatus of the 1st Embodiment of this invention. It is a line graph which shows the time change of the number of mobile apparatuses with which the position was registered. It is a flowchart which shows the measurement transmission process of the 1st Embodiment of this invention. It is a flowchart which shows the measurement process of the 1st Embodiment of this invention. It is a flowchart which shows the threshold determination process of the 1st Embodiment of this invention. It is a flowchart which shows the transmission process of the 1st Embodiment of this invention.
  • FIG. 1 is an overall view showing a configuration of a communication system 1 of the present embodiment.
  • the communication system 1 includes antennas 20 and 21, a base station device 30, a base station control device 40, and an exchange 50.
  • a mobile device 10 is connected to the communication system 1.
  • the mobile device 10 is a mobile communication device such as a mobile phone device.
  • the mobile device 10 can register its own location information (location registration) in the base station device 30, the base station control device 40, or the exchange 50.
  • location registration location registration
  • the mobile device 10 can start communication with another communication device via the base station device 30 or the like.
  • Antennas 20 and 21 are communication antennas such as diversity antennas. Antennas 20 and 21 cover jurisdiction areas A1 and A2, and are connected to base station apparatus 30.
  • the base station device 30 (call processing device) is a wireless communication device that processes calls originated by a plurality of mobile devices (such as 10) in the jurisdiction area A1 or A2.
  • the base station control device 40 controls one or more base station devices (30, etc.).
  • the exchange 50 (communication device) provides a communication service such as a connection service to the telephone network to the mobile device (10).
  • the switching center 50 measures the number of mobile devices whose positions are registered in the switching center 50 or the like at a predetermined cycle.
  • the exchange 50 compares the measured value (index value) with the thresholds A and B each time the number of units is measured. Then, the switching center 50 determines whether or not a change in which the measurement value is equal to or less than the threshold values A and B or a change in which the measurement value is greater than the threshold values A and B has occurred, and the result is sent to the base station device 30. Send.
  • FIG. 2 is a block diagram showing the configuration of the base station device 30.
  • the base station device 30 includes a transmission / reception unit 310, a call processing unit 320, and a control unit 330.
  • the transmission / reception unit 310 receives information indicating whether or not there has been a predetermined change in the number of mobile devices from the switching center 50.
  • the call processing unit 320 includes a baseband processor 321 such as a CPU (Central Processing Unit) or a DSP (Digital Signal Processor).
  • the call processing unit 320 uses the baseband processor 321 to process a call that has occurred in a location-registered mobile device (such as 10).
  • the control unit 330 changes the processing capability (power consumption) of the call processing unit 320 when receiving a notification from the switching center 50 that the predetermined number of mobile devices has changed. Specifically, when the control unit 330 receives a notification that the measurement value is equal to or less than the threshold value A or B, the control unit 330 decreases the processing capacity by a predetermined amount. In addition, when receiving a notification that the measured value exceeds the threshold value A or B, the control unit 330 increases the processing capacity by a predetermined amount.
  • control unit 330 controls the processing capability of the call processing unit 320 by changing the core voltage of the baseband processor 321 or the operation clock, for example.
  • FIG. 3 is a graph showing an example of a change in the number of mobile stations registered as time passes.
  • the vertical axis of the graph in the figure is the number of mobile devices whose positions are registered, and the horizontal axis is time. Referring to the figure, the number of mobile devices (measured values) is reduced at night compared to daytime.
  • the base station apparatus 30 reduces the processing capability of the base processor 321 by a predetermined amount.
  • the base station device 30 further reduces the processing capability of the base processor 321 by a predetermined amount.
  • the base station apparatus 30 increases the processing capability of the baseband processor 321 by a predetermined amount.
  • the base station device 30 restores the processing capability of the baseband processor 321 to the original.
  • FIG. 4 is a flowchart showing the measurement transmission process of the exchange 50.
  • This measurement transmission process starts when the switching center 50 is activated or when a predetermined application is executed.
  • the exchange 50 executes a measurement process (step S1), executes a threshold determination process (step S3), and executes a transmission process (step S5).
  • step S5 the switching center 50 ends the measurement transmission process.
  • FIG. 5 is a flowchart showing the measurement process. Referring to the figure, switching center 50 determines whether a measurement process is first started or whether a predetermined time has elapsed since the previous measurement date (step S11).
  • the switching center 50 measures the number of mobile devices (10) whose positions are registered in the switching center 50 and records the measured values (step S13). .
  • step S11: NO If the predetermined time has not elapsed (step S11: NO) or after step S13, the exchange 50 stops the measurement process.
  • FIG. 6 is a flowchart showing threshold determination processing. Referring to the figure, switching center 50 determines whether or not the previous measurement value is greater than threshold value A and the current measurement value is less than or equal to threshold value A (step S31).
  • the switching center 50 determines whether or not the current measured value is equal to or less than the threshold B (step S32). If the current measurement value is not less than or equal to the threshold value B (step S32: NO), the switching center 50 turns on the event flag A1 (step S33).
  • the event flag A1 is a flag indicating whether or not the measured value has dropped across the threshold A, and the initial value is off.
  • step S31 NO
  • the switching center 50 determines whether or not the previous measurement value is larger than the threshold value B and the current measurement value is less than or equal to the threshold value B ( Step S35).
  • the switching center 50 turns on the event flag B1 (step S35). S37).
  • the event flag B1 is a flag indicating whether or not the measured value has dropped across the threshold value B, and the initial value is OFF.
  • step S35 If it has not fallen across the threshold value B (step S35: NO), the switching center 50 determines whether or not the previous measurement value is equal to or less than the threshold value B and the current measurement value is greater than the threshold value B. (Step S39).
  • the switching center 50 determines whether or not the current measured value is greater than the threshold value A (step S40). If the current measurement value is not greater than the threshold value A (step S40: NO), the switching center 50 turns on the event flag B2 (step S41).
  • the event flag B2 is a flag indicating whether or not the measured value has risen across the threshold value B, and the initial value is OFF.
  • the switching center 50 determines whether or not the previous measurement value is less than or equal to the threshold value A and the current measurement value is greater than the threshold value A (step). S43). When the measured value rises across the threshold A (step S43: YES), or when the current threshold is larger than A (step S40: YES), the switching center 50 turns on the event flag A2 (step S45). ).
  • the event flag A2 is a flag indicating whether or not the measured value has risen across the threshold value A, and the initial value is off.
  • step S43: NO the switching center 50 ends the threshold determination process after step S33, S37, S41, or S45.
  • FIG. 7 is a flowchart showing the transmission process. Referring to the figure, switching center 50 determines whether any of event flags A1, B1, B2, and A2 is on (step S51).
  • step S51 If any of the event flags is on (step S51: YES), the switching center 50 determines the result of the threshold determination process, that is, information indicating the values of the event flags A1, B1, B2, and A2 (hereinafter, “Result information”) is transmitted to the base station apparatus 30. After transmission, all the event flags A1, B1, B2, and A2 are turned off (step S53).
  • step S51 NO
  • step S53 the switching center 50 ends the transmission process.
  • FIG. 8 is a flowchart showing the operation of the base station device 30. This operation starts when the transmission / reception unit 310 of the base station device 30 receives the result information from the exchange 50.
  • the control unit 330 executes control processing (step T3), and the call processing unit 320 processes calls that have occurred in the management areas A1 and A2 (step T5).
  • FIG. 9 is a flowchart showing the control process. Referring to the figure, control unit 330 determines whether or not event flag A1 indicated by the result information is on (step T31).
  • step T31 If the event flag A1 is on, that is, if the measurement value falls across the threshold A (step T31: YES), the control unit 330 lowers the processing capacity (power consumption) of the call processing unit 320 by a predetermined amount (step T33). ).
  • step T31 determines whether or not the event flag B1 indicated by the result information is on (step T35).
  • the control unit 330 further reduces the processing capability of the call processing unit 320 by a predetermined amount. When there is a rapid change from the measured value larger than the threshold A so as to fall below the threshold B, the control unit 330 decreases the predetermined amount so as to be equal to or less than the value corresponding to the threshold B (step T37).
  • step T35 If the event flag B1 is off (step T35: NO), the controller 330 determines whether or not the event flag B2 is on (step T39).
  • step T41 If the event flag B2 is on, that is, if the measured value rises across the threshold value B (step T39: YES), the control unit 330 increases the processing capacity of the call processing unit 320 by a predetermined amount (step T41).
  • control unit 330 further increases the processing capacity of the call processing unit 320 by a predetermined amount to return to the value before the decrease. If there is a sudden change exceeding the threshold A from the measured value equal to or less than the threshold B, the processing unit 330 increases the predetermined amount so as to be equal to or greater than the value corresponding to the threshold A (step T43).
  • control unit 330 ends the control process.
  • two threshold values are set. However, one threshold value may be set, or three or more threshold values may be set to control the processing capability more finely.
  • the base station device 30 changes the power consumption based on the change in the number of mobile stations registered for location, but any other value can be used as an index of the processing load of the base station device 30. Control may be performed based on a change in the measured value.
  • the switching center 50 is configured to perform the measurement transmission process, but the base station control device 40 may be configured to perform this process.
  • the base station apparatus 30 is configured to change the processing capacity based on the change in the number of mobile devices. However, if the wireless communication apparatus performs call processing, other apparatuses may change the processing capacity. May be performed.
  • the base station device 30 determines the call processing unit based on the measurement result of the number of mobile devices (index values) whose positions are registered. Since 320 (processing unit) is controlled, the power consumption of the base station apparatus 30 can be made more efficient according to changes in the processing load. In addition, since the power of the call processing unit 320 is not turned off, load distribution is easy, and it is possible to respond quickly to fluctuations in the number of mobile devices.
  • the base station device 30 Since the base station device 30 increases or decreases the processing capacity when the index value changes across the threshold and does not require complicated judgment, the base station device 30 can quickly control the call processing unit 320.
  • FIG. 10 is a flowchart showing the measurement process of the present embodiment.
  • the measurement process of the present embodiment is the same as the measurement process of the first embodiment except that the amount of transmitted / received data is measured instead of the number of mobile stations registered in position.
  • the switching center 50 instead of the number of mobile devices, the base station control unit 310 measures the amount of data transmitted / received to / from the registered mobile device (step S13a). .
  • the base station apparatus 30 since the base station apparatus 30 uses the amount of transmitted / received data as an index value of the processing load and changes the processing capacity based on the change, more accurate control can be performed according to the call processing amount. .
  • FIG. 11 is a block diagram showing a configuration of the base station device 30b of the present embodiment.
  • the base station device 30b differs from the configuration of the base station device 30 of the first embodiment in that the call processing unit 320 includes signal processing units 322 and 323 and performs load distribution. .
  • the signal processing units 322 and 323 have the same processing capability and share the processing of calls generated in the jurisdiction areas A1 and A2. Further, only one of the signal processing units 322 and 323 can process a call generated in the jurisdiction areas A1 and A2.
  • FIG. 11 is a flowchart showing the control processing of this embodiment. Referring to the figure, control unit 330 determines whether or not event flag A1 indicated by the result information is on (step T31).
  • the signal processing unit 322 is shifted to the sleep mode (step T33b).
  • the sleep mode is a state in which power consumption is suppressed without energizing the signal processing unit as much as possible.
  • step T31 determines whether or not the event flag B1 indicated by the result information is on (step T35).
  • step T35 YES
  • the control unit 330 causes the signal processing unit 323 to transition to the sleep mode (step T37b).
  • step T35 If the event flag B1 is off (step T35: NO), the controller 330 determines whether or not the event flag B2 is on (step T39).
  • step T39: YES If the event flag B2 is on, that is, if the measured value rises across the threshold value B (step T39: YES), the control unit 330 returns the signal processing unit 323 from the sleep mode (step T41b).
  • step T39: NO If the event flag B2 is OFF (step T39: NO), the control unit 330 returns the signal processing unit 322 from the sleep mode (step T43b).
  • control unit 330 ends the control process.
  • the call processing is shared by the two signal processing units, but the load may be distributed to two or more signal processing units.
  • the signal processing unit is shifted to the sleep mode.
  • the base station device 30b sets the signal processing unit to a mode other than the sleep mode when the processing amount changes.
  • the operation mode may be shifted to.
  • the base station device 30b can further reduce power consumption.
  • FIG. 13 is a flowchart showing the operation of the base station device 30 of the present embodiment.
  • the operation of the base station device 30 of the present embodiment is the same as the operation of the base station device 30 of the first embodiment, except that the base station device 30 executes the measurement transmission process of the exchange 50. It is.
  • the controller 330 executes measurement processing (step T1) and executes threshold determination processing (step T2). Then, steps T3 and T5 are executed.
  • the processes at steps T1 and T2 are the same as the processes at steps S1 and S3.
  • the base station device 30 is configured to execute the measurement process and the threshold determination process.
  • the base station device performs only the threshold determination process, and the switching center 50 and the base station control apparatus 40 perform the measurement process. It is good also as a structure to perform.
  • the measurement process and the threshold determination process are performed in the base station apparatus 30, a quicker control can be performed.
  • the amount of communication can be reduced.

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

Abstract

L'invention porte sur un système de communication qui comprend : un dispositif de communication qui mesure une valeur d'indice servant d'indice d'une charge de traitement d'un dispositif de traitement d'appel et transmet des informations de résultat indiquant le résultat de mesure au dispositif de traitement d'appel ; et le dispositif de traitement d'appel équipé d'une unité de traitement qui peut modifier la capacité de traitement pour traiter un appel d'un dispositif mobile de façon à augmenter/diminuer la consommation d'énergie et reçoit les informations de résultat provenant du dispositif de communication afin de commander l'unité de traitement conformément aux informations de résultat.
PCT/JP2009/063776 2008-09-24 2009-08-04 Système de communication, dispositif de traitement d'appel, procédé de communication et programme Ceased WO2010035577A1 (fr)

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JP2008-244064 2008-09-24
JP2008244064 2008-09-24

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CN102300292A (zh) * 2010-06-25 2011-12-28 株式会社Ntt都科摩 网络装置
WO2012063834A1 (fr) * 2010-11-10 2012-05-18 京セラ株式会社 Station de base et procédé de commande de cette station de base
CN102724696A (zh) * 2012-05-30 2012-10-10 华为技术有限公司 通话信息的获取方法及装置
JP2013527692A (ja) * 2010-04-30 2013-06-27 ▲ホア▼▲ウェイ▼技術有限公司 ネットワーク管理システムにおいてエネルギー節約を管理するための方法、デバイス、およびシステム

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JP2001144753A (ja) * 1999-11-16 2001-05-25 Nec Corp パケット交換装置及びパケット交換装置のクロック信号制御装置並びにクロック信号制御方法
JP2003347985A (ja) * 2002-05-22 2003-12-05 Fujitsu Ltd 無線基地局装置及びその省電力方法
JP2007282097A (ja) * 2006-04-11 2007-10-25 Canon Inc デジタルカメラおよびその制御方法
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Publication number Priority date Publication date Assignee Title
JP2013527692A (ja) * 2010-04-30 2013-06-27 ▲ホア▼▲ウェイ▼技術有限公司 ネットワーク管理システムにおいてエネルギー節約を管理するための方法、デバイス、およびシステム
US9220060B2 (en) 2010-04-30 2015-12-22 Huawei Technologies Co., Ltd. Method, apparatus, and system for energy saving management in network management system
US9629079B2 (en) 2010-04-30 2017-04-18 Huawei Technologies Co., Ltd. Method, apparatus, and system for energy saving management in network management system
CN102300292A (zh) * 2010-06-25 2011-12-28 株式会社Ntt都科摩 网络装置
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WO2012063834A1 (fr) * 2010-11-10 2012-05-18 京セラ株式会社 Station de base et procédé de commande de cette station de base
JP5584309B2 (ja) * 2010-11-10 2014-09-03 京セラ株式会社 基地局及びその制御方法
US9237517B2 (en) 2010-11-10 2016-01-12 Kyocera Corporation Base station and control method thereof
CN102724696A (zh) * 2012-05-30 2012-10-10 华为技术有限公司 通话信息的获取方法及装置

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