CN101938754A - Method and device for managing power supply of femtocell - Google Patents
Method and device for managing power supply of femtocell Download PDFInfo
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- CN101938754A CN101938754A CN2009100541726A CN200910054172A CN101938754A CN 101938754 A CN101938754 A CN 101938754A CN 2009100541726 A CN2009100541726 A CN 2009100541726A CN 200910054172 A CN200910054172 A CN 200910054172A CN 101938754 A CN101938754 A CN 101938754A
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- 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
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Abstract
The invention provides a method and a device for managing a power supply in a femtocell. In the femtocell, equipment information at a registered client is configured, the number of the active equipment at the registered client within the coverage area of the current femtocel is monitored, and the operating mode of a related network module in the femtocel is adjusted according to the monitoring result. For example, if the number of the active equipment at the registered client is zero, the network module enters a dormant mode to save power, and network connection resources between the network module and a network-side base station gateway or a broadband access gateway can also be released further.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and the device thereof of power management in a kind of millimicro cellular basestation.
Background technology
In the present 3G wireless communication technology, because its used wireless frequency is relatively poor to the through characteristic of building, thereby can cause the decline of indoor service quality, and the burden of wireless channel day is becoming tight also based on the communication of macro cells.So, research based on the fixed mobile convergence network of FemtoCell (millimicro honeycomb) and other similar techniques is in the industry cycle become a focus, and some are connected to cellular phone network with mobile subscriber equipment (UE) by existing broadband access network (as DSL or cable TV express network) at FemtoCell base stations that family expenses and small-business unit use.
Fig. 1 is a kind of typical millimicro network of cellular basestations connecting system structure example, a mobile subscriber equipment (UE) can pass through the access mobile core network of land radio access web (UTRAN) on the one hand, UTRAN comprises wireless base station (NodeB) and radio network controller (RNC), realizes that subscriber terminal equipment such as mobile phone, portable computer etc. are provided to the connection of mobile core network; In addition on the one hand, when UE moved into the coverage of FemtoCell base station in its home network, it passed through the mode access mobile core net of the broadband network connection of fixed network with the IP secure tunnel.What deserves to be explained is, the FemtoCell base station also is known as Home eNodeB or 3G access point, the millimicro cellular technology was adopted by 3GPP (third generation partner program) afterwards, be called as Home eNodeB (HNB) in WCDMA/HSPA (broadband demal multiplex (MUX) transmission technology/high-speed link grouping inserts) occasion, be called as enhancement mode Home eNodeB (HeNB) in LTE (Long Term Evolution) occasion.
But along with a large amount of deployment of these FemtoCell base stations, because it is in running order always, its electrical source consumption will become a potential problem.
Fig. 2 is the operating process of a kind of typical HeNB activation, it is based on the true situation of the neighbours' honeycomb that UE is left or enters HeNB and by MME (mobile management network element) the control activation HeNB of network side, for example: reduce transmitting power, enter park mode, no longer launch wireless signal, thereby can save portion of energy consumption.In the legend, honeycomb 2 and honeycomb 3 are neighbours' honeycomb of HeNB, and supposition UE knows neighbours' honeycomb of HeNB: S1), UE moves to neighbours' honeycomb 2 of HeNB; S2), UE notice MME it moved to neighbours' honeycomb 2 of HeNB; S3) if HeNB this moment is a unactivated state, the MME notice activates HeNB; S4), UE moves to the coverage of HeNB, it can detect the signal of HeNB and keep and the communicating by letter of network by it; S5), UE moves out the coverage of HeNB; S6) UE notice MME it moved out neighbours' cellular coverage of HeNB; S7), MME notices that there is not the registered UE of active HeNB in neighbours' honeycomb of HeNB, its notice deexcitation HeNB.
Under the aforesaid way, on the one hand, the network that is in the HeNB of activation/unactivated state connects to be in keeps state always, even do not have movable UE in its coverage of certain time period, Internet resources such as the ipsec tunnel of these HeNB, IP address still need to keep, and so the MME of network side can control activation HeNB; In addition on the one hand, the emission of a HeNB change wireless signal (as changing transmitting power, unlatching or stop signal emission) will cause the change of dynamic network environment, the HeNB management equipment of network side will be carried out the network optimization again and be notified other relevant HeNB, and this certainly will bear by emphasis network; In addition, if UE leaves the HeNB coverage and only rests on its neighbours' honeycomb, HeNB still is in state of activation, its electrical source consumption problem still exists, and, the integrated Home eNodeB function of current increasing home gateway, other mixed-media network modules mixed-medias also are in mode of operation always in the gateway, and its electrical source consumption will become a potential problem.
Summary of the invention
The present invention is intended to solve aforementioned one or more technical problem, provides a kind of based on power management techniques scheme in the millimicro cellular basestation, can save its electrical source consumption.
According to an aspect of the present invention, method for managing power supply in a kind of millimicro cellular basestation is provided here, it is by configuration registry ustomer premises access equipment information in the millimicro cellular basestation, monitor registered user active in the current millimicro cellular basestation coverage and hold number of devices, adjust the mode of operation of network of relation module in the millimicro cellular basestation according to described monitoring result.
According to another aspect of the present invention, provide a kind of millimicro cellular basestation here, it comprises storage device, is used for preserving millimicro cellular basestation registered user and holds facility information; Control device is used to monitor registered user active in the current millimicro cellular basestation coverage and holds number of devices; Mixed-media network modules mixed-media can be adjusted its mode of operation according to described control device instruction.
The present invention has following technical advantage:
The millimicro cellular basestation can hold the network user mode of equipment to adjust its mode of operation to reach the purpose of saving electrical source consumption even its network resource consumption according to the registered user.Even enter park mode at the millimicro cellular basestation, it will keep the emission characteristics of wireless signal constant, therefore can not produce any influence to overall network optimization.
Description of drawings
By the detailed description with the accompanying drawing that proposes below, it is more obvious that feature of the present invention, character and advantage will become, and components identical has identical sign in the accompanying drawing, wherein:
Fig. 1 is a kind of typical FemtoCell base station network connecting system structure example;
Fig. 2 is the operating process of a kind of typical HeNB activation;
Fig. 3 is a FemtoCell base station network system architecture legend provided by the present invention;
Fig. 4 is a FemtoCell architecture of base station legend provided by the present invention;
Embodiment
Below in conjunction with accompanying drawing, preferred implementation of the present invention is described in detail.
Generally speaking, it is macrocell base stations that the mobile base station of the standard that 2G or 3G cellular mobile communication use can be called, and transmitting power is bigger, is mainly used in about about 5 kilometers of outdoor coverage; In order to improve covering, developed microcell base station afterwards, transmitting power is suitable, is mainly used in the zone and covers, for example some signals such as campus and similar tunnel, the market place builet below the ground blind spot district that is difficult to cover and shadow region etc.; And FemtoCell base station involved in the present invention, its transmitting power is less, in 50 meters of the general ranges, support a spot of mobile subscriber equipment, be mainly used in indoor covering, the network design amount is big, and Given this, it is more outstanding than macrocell base stations and microcell base station to save its power supply and network resource consumption how to control its mode of operation.
As the FemtoCell base station network system architecture of the present invention that Fig. 3 A, 3B are illustrated, it comprises: FemtoCell base station, HNG gateway (femto gateway), HMS (Home eNodeB management system) equipment, wherein:
The FemtoCell base station can be an independent FemtoCell equipment (as Fig. 3 A), also can integrate (as Fig. 3 B) with Home GW (home gateway), and it uses fixed network as its backhaul network access mobile core net.In conjunction with embodiment provided by the present invention, dispose the registered user in the FemtoCell base station and hold equipment (U1, U2, U3) information, and hold the active situation of number of devices to monitor, thereby can adjust its mode of operation to reach the purpose of saving electrical source consumption even its network resource consumption to these registered users.
The HNG gateway, as a convergent point and ipsec gateway, mobile operator is provided with corresponding HNG gateway and connects aforementioned each FemtoCell base station in the mobile network, and safety function is provided simultaneously, sets up the ipsec security tunnel between FemtoCell base station and the HNG gateway on the internet.In conjunction with embodiment provided by the present invention, because the FemtoCell base station can hold the activity situation of equipment U1, U2, U3 to determine that whether discharging it is connected with the ipsec security tunnel of HNG gateway according to its registered user, thereby can further reduce the network resource consumption of HNG gateway.
HMS equipment can be finished management functions such as FemtoCell gateway discovery, the checking of FemtoCell base station location and parameter configuration.Himself is finished according to the checking and the parameter configuration of HMS equipment in the FemtoCell base station after start automatic configuration, initialization relevant parameter, for example: carrier frequency, scrambler or pseudo noise code skew, cellular cell identification code (Cell_ID), Location Area Code/Routing Area Code, initial parameters such as target cell scope.In conjunction with embodiment provided by the present invention, HMS equipment can be the user provides its registered user to hold the registration of equipment, and provide it to corresponding FemtoCell base station by its management function, switch its mode of operation and notify HMS equipment because the quantity that the registered user holds equipment can be enlivened according to it in the FemtoCell base station, HMS is according to received message, can carry out network management or supervision to this FemtoCell base station, thereby can significantly reduce its live load.
Below we will be from following several aspects further describe the configuration management of registered UE under the present invention, the movable supervision of registered UE quantity, power management, network resource management:
1, the configuration management of registered UE
Because the handoff procedure from macrocellular to the millimicro honeycomb is more complicated with the handoff procedure from the millimicro honeycomb to macrocellular, we are instant mobile switch of mandatory requirement from macrocellular to the millimicro honeycomb not, so, if the UE of an ongoing communication moves to the millimicro honeycomb from macrocellular, after the communication of being kept was broken or finished, it can select the millimicro honeycomb to insert again.And the switching from the millimicro honeycomb to macrocellular is simple relatively, and before switching was moved in the UE decision, its target macro honeycomb was known, and this switching is actually a simple binding handoff procedure.
In order to control under the millimicro honeycomb the controlled access of UE, only to allow registered UE to insert by the millimicro cellular basestation, come therefrom, unauthorized UE will be rejected access millimicro cellular basestation and can not send signaling to network side by it, and it will still use macrocellular to communicate.
The registered UE user list can obtain from network side HMS device downloads when automatic configuration, initialization relevant parameter are carried out in the start of millimicro cellular basestation.The end user can by safety measure that HMS equipment provided to aforementioned registered UE user list add, operation such as renewal, deletion.Registered UE user can be identified by IMSI (international mobile subscriber identity) number, and this number is in the numbering plan of public telephone network switching network, the unique number that can discern the mobile subscriber; Network operation commerce can design some shift strategies, by above-mentioned means shift strategy is configured to the millimicro cellular basestation, and the millimicro cellular basestation is considered as the registered UE user to the UE user who meets described shift strategy and allows to move access.
2, monitor the active registration UE quantity that current millimicro cellular basestation coverage is interior.
Here, we cause four kinds of situations enlivening the minimizing of registered UE quantity of service in the millimicro cellular coverage below the example:
1), registered UE carries out power-off operation, it will send a disengaging service message to current for it provides the millimicro cellular basestation of communication service, the Detach message in the WCDMA wireless protocols for example;
2), after a registered UE that is in idle pulley moves out from millimicro cellular basestation coverage, regularly expired in the millimicro cellular basestation to periodic location area updating (PLAU) that should UE;
3), when a registered UE moves out macrocellular from millimicro cellular basestation coverage, UE will send a handoff trigger message to current millimicro cellular basestation;
4) if registered UE is landed millimicro cellular basestation failure (do not send and do not go registration and break away from service message), when periodic location area updating (PLAU) regularly expired.
Below, two kinds of situations that our further example causes the registered UE quantity of service in the millimicro cellular basestation coverage to increase:
1), when the start of registered UE, it will be initiated a position and upgrade (LocationUpdate) and operate.
2), move into a millimicro cellular basestation coverage from a macrocellular as the UE of a registration, because the LAI difference between macrocellular and the millimicro cellular basestation, UE will initiate a position and upgrade (Location Update) and operate.
3, mode of operation management
Control the mode of operation of base station by the current quantity of enlivening registered UE of the millimicro cellular basestation that aforementioned monitoring obtained.
If the millimicro cellular basestation under the situation of mode of operation, equals zero according to the UE quantity of enlivening of aforementioned tracking gained, then it transfers deexcitation millimicro cellular basestation to park mode with it.
If the millimicro cellular basestation is under the situation of park mode, the registered UE quantity of aforementioned tracking gained is greater than zero, and it will activate the millimicro cellular basestation, transfer it to mode of operation.
Any attempt is carried out urgent call by HNB will make that HNB transfers mode of operation to from park mode.
As previously mentioned, the FemtoCell base station can be independent FemtoCell equipment, also can integrate by Home GW, current mobile telephone equipment has become the communication equipment that the individual carries, the quantity of registered UE is enlivened in the FemtoCell base station by aforementioned tracking, the mode of operation of other mixed-media network modules mixed-medias that can determine FemtoCell equipment even integrate with it reaches the purpose that reduces power consumption thus.For example: when all registered user's equipment leave the coverage of current FemtoCell base station, can reach the purpose of saving electrical source consumption by changing the transmitting power that relevant CPU works in low frequency pattern, WiFi wireless module in the FemtoCell base station.
4, network resource management
We can adjust the Internet resources release and the foundation of control FemtoCell base station by the current active registered UE quantity of aforementioned tracking millimicro cellular basestation.
In the network side aspect, the active registered UE quantity of aforementioned tracking gained equals zero, the FemtoCell base station can inform network side HMS equipment it self enter park mode, thereby HMS equipment can regularly detect this FemtoCell base station again, the FemtoCell base station is the releasing network connection resource further, particularly with the HNG gateway between ipsec tunnel be connected; If be integrated with other mixed-media network modules mixed-medias in the millimicro cellular basestation, the FemtoCell base station can also further notify the network of relation module to discharge its Internet resources, for example with fixed network in broad access network gate (BARS) between the PPP network be connected.
On the contrary, if it is non-vanishing to follow the tracks of the registered UE quantity of gained, the FemtoCell base station activation is a mode of operation, it can trigger other mixed-media network modules mixed-medias set up with fixed network in BRAS between the PPP network be connected, and further set up ipsec tunnel and be connected with the HNG gateway of network side, can inform afterwards network side Home eNodeB management system HMS it self enter mode of operation, thereby HMS can carry out network management or supervision to this FemtoCell base station.
Fig. 4 is a kind of FemtoCell architecture of base station legend provided by the present invention, it comprises mobile network's module 41 and home network module 42, wherein, mobile network's module 41 provides the radio frequency interface 411 of 2G, 3G or 4G, and handles the back by its baseband portion 412 and carry out signal processing by processor 413; Home network module 42 provides routing module 421, wireless WiFi module 422, DSL mixed-media network modules mixed-media 423, USB2.0 interface module 424, RJ11/POTS module 425, ethernet switching module 426 etc., and routing module 421 links together other mixed-media network modules mixed-medias in the home network module and aforementioned mobile network's module.The FemtoCell base station is after start, setting up network by DSL mixed-media network modules mixed-media 423 and fixed network is connected, mobile network's module 41 can be mutual with the management equipment in its mobile core network by the network connection of aforementioned foundation afterwards, for example authentication, network parameter configuration etc.
The example according to the present invention, mobile network's module 41 only provides the controlled access to registered UE, this registered UE user list can be downloaded the memory cell 414 that obtains and be saved to mobile network's module from network side HMS when automatic configuration, initialization relevant parameter are carried out in the start of FemtoCell base station.
413 pairs of processors in the mobile network's module mobile device signals after baseband portion is handled monitor, determine to enliven registered UE quantity in current mobile network's module coverage.Here, we cause four kinds of situations of the active registration UE quantity minimizing of service in the millimicro cellular coverage below the example:
1), registered UE carries out power-off operation, it will send a disengaging service message to current for it provides mobile network's module of communication service, the Detach message in the WCDMA wireless protocols for example.
2), after a registered UE that is in idle pulley moves out from the FemtoCell base station range, regularly expired in mobile network's module to periodic location area updating (PLAU) that should UE.
3), when a registered UE moves out macrocellular from the FemtoCell base station range, UE will send a handoff trigger message to current mobile network's module.
4) if registered UE is landed FemtoCell base station failure (do not send and do not go registration and break away from service message), when periodic location area updating (PLAU) regularly expired.
Here, our further example causes two kinds of situations that the registered UE quantity of service in the FemtoCell base station range increases:
1), when the start of registered UE, it will initiate a position renewal (LocationUpdate).
2), the UE when a registration moves into a FemtoCell coverage from a macrocellular, because (the lane place mark: difference Location Area Identifier), UE will initiate a position and upgrade (LocationUpdate) operation the LAI between macrocellular and the mobile network's module.
On the contrary, if it is non-vanishing to follow the tracks of the registered UE quantity of gained, it is mode of operation that processor 413 can activate the network of relation module, it can trigger the activation DSL mixed-media network modules mixed-media 423 set up with fixed network in BRAS between the PPP network be connected, the FemtoCell base station can further be set up ipsec tunnel with the FemtoCell gateway of network side and be connected, can inform afterwards network side HMS equipment it self entered mode of operation, thereby HMS can recover network management or monitoring are carried out in this FemtoCell base station.
Although above-mentioned being illustrated as the invention provides some embodiment; be not to be used for limiting protection scope of the present invention; the professional in present technique field can carry out various modifications to embodiment under the prerequisite that does not depart from the scope of the present invention with spirit, this modification all belongs in the scope of the present invention.
Claims (10)
1. method for managing power supply in the millimicro cellular basestation is characterized in that comprising the steps:
A), configuration registry ustomer premises access equipment information in the millimicro cellular basestation;
B), active registered user holds number of devices in the current millimicro cellular basestation coverage of monitoring;
C), adjust the mode of operation of network of relation module in the millimicro cellular basestation according to described monitoring result.
2. the method for claim 1 is characterized in that the millimicro cellular basestation can be held facility information from network side corresponding management device downloads acquisition registered user in the described step a).
3. the method for claim 1 is characterized in that in the described step c), and during the enlivening the registered user and hold number of devices to be zero/non-zero of described monitoring, described mixed-media network modules mixed-media enters dormancy/normal mode of operation.
4. the method for claim 1 is characterized in that described method further comprises step d), and the millimicro cellular basestation is when enlivening the registered user and hold number of devices to be zero/non-zero, and the IP secure tunnel between the gateway of release/foundation and network side is connected.
5. method as claimed in claim 4 is characterized in that described method step d) comprise that further the network between the broad access network gate of release/foundation and network side is connected.
6. millimicro cellular basestation is characterized in that comprising:
Storage device: be used for preserving millimicro cellular basestation registered user and hold facility information;
Control device: be used to monitor registered user active in the current millimicro cellular basestation coverage and hold number of devices;
Mixed-media network modules mixed-media: can adjust its mode of operation according to described control device instruction.
7. as right 6 described millimicro cellular basestations, it is characterized in that described control device can obtain the registered user from network side corresponding management device downloads and hold facility information and be kept at described storage device.
8. as right 6 described millimicro cellular basestations, it is characterized in that described control device when active registered user holds number of devices to be zero/non-zero, the instruction mixed-media network modules mixed-media enters dormancy work/normal mode of operation.
9. as right 6 described millimicro cellular basestations, it is characterized in that described mixed-media network modules mixed-media can be connected according to the IP secure tunnel between the gateway of described control device instruction release/foundation and network side.
10. as right 9 described millimicro cellular basestations, it is characterized in that described mixed-media network modules mixed-media can be further be connected according to the network between the broad access network gate of described control device instruction release/foundation and network side.
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| CN102111816A (en) * | 2011-03-22 | 2011-06-29 | 北京邮电大学 | Energy-saving femto-network system and energy-saving method |
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| CN102271388A (en) * | 2011-08-01 | 2011-12-07 | 中兴通讯股份有限公司 | Wireless mobile device and power saving method |
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| CN102111816A (en) * | 2011-03-22 | 2011-06-29 | 北京邮电大学 | Energy-saving femto-network system and energy-saving method |
| CN103430599B (en) * | 2011-03-23 | 2016-12-14 | 日本电气株式会社 | HNB gateway device, femtocell system and the electric power operation with minimizing are used for the method for the HNB-GW of femtocell system |
| CN103430599A (en) * | 2011-03-23 | 2013-12-04 | 日本电气株式会社 | HNB gateway device, femtocell system and method of operating HNB-GW used for same with reduced electric power |
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| CN102265702A (en) * | 2011-05-30 | 2011-11-30 | 华为终端有限公司 | Stand-by method for access point and access point |
| CN102833885A (en) * | 2011-06-14 | 2012-12-19 | 日本电气株式会社 | Femtocell radio base station, communication control method, and recording medium |
| CN102833885B (en) * | 2011-06-14 | 2016-12-21 | 日本电气株式会社 | femtocell radio base station and communication control method |
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| CN102271388B (en) * | 2011-08-01 | 2017-09-29 | 中兴通讯股份有限公司 | A kind of portable radio device and its electricity saving method |
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| CN103517223A (en) * | 2012-06-25 | 2014-01-15 | 北京三星通信技术研究有限公司 | Monitoring method of base station of small cell and security gateway of small cell base station |
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| WO2014183648A1 (en) * | 2013-05-17 | 2014-11-20 | 中兴通讯股份有限公司 | Microcell power control method and base station |
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| WO2017015948A1 (en) * | 2015-07-30 | 2017-02-02 | 华为技术有限公司 | Method and apparatus for adjusting energy loss of wireless network system |
| CN107852619A (en) * | 2015-07-30 | 2018-03-27 | 华为技术有限公司 | The method and apparatus for adjusting the energy loss of Radio Network System |
| CN107852619B (en) * | 2015-07-30 | 2020-02-14 | 华为技术有限公司 | Method and apparatus for adjusting energy loss of wireless network system |
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| CN116033533A (en) * | 2023-03-30 | 2023-04-28 | 深圳国人无线通信有限公司 | Method for enabling remote unit to enter or exit sleep state and adaptive device |
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