CN102711133B - Control method, control device and network accessing equipment - Google Patents
Control method, control device and network accessing equipment Download PDFInfo
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Abstract
The embodiment of the invention provides a control method, a control device and a piece of network accessing equipment. The method comprises the following steps of: determining a first business model of a user terminal; determining a first power control parameter corresponding to the first business model; and controlling the power of the user terminal according to the first power control parameter so as to cause the user terminal to emit with a first emission power which is less than a second emission power, wherein the second emission power is the emission power of the user terminal when the power of the user terminal is controlled according to a second power control parameter, the second power control parameter is the power control parameter corresponding to a second business model, and the data rate requirement corresponding to the second business model is greater than the data rate requirement corresponding to the first business model. By the embodiment of the invention, the power of the user terminal can be controlled aiming at the business status of a user.
Description
Technical field
The embodiment of the present invention relates to wireless communication field, particularly relates to a kind of control method, control device and access network device.
Background technology
Wireless communication system can support that user uses various types of terminal (such as, cell phone, personal digital assistant, digital camera, panel computer) to access mobile Internet.Each terminal is communicated with one or more point with the transmission on reverse link by forward link.Forward link (or down link) refers to the communication link from Access Network to terminal; Reverse link (or up link) refers to the communication link from terminal to Access Network.
In code division multiple access (CDMA) system, power control techniques is a kind of key technology.For CDMAEVDO system: in CDMA EVDO system, back closed loop power controls to comprise inner ring and open sea wharf two parts, inner-loop power control is by Access Network (Access Network, AN) base transceiver station (the base transceiver station of side, BTS) (the Access Terminal that respectively accesses terminal of coming is received, AT) signal to noise ratio and corresponding outer shroud control power control threshold (the Power Control Threshold that produces, PCT) threshold value is compared, thus the power control bit produced each AT, utilize reverse power control (Reverse Power Control, RPC) transmitting power of channel control AT makes its pilot SNR maintain in PCT level, open sea wharf is base station controller (the Base Station Controller of AN side, BSC) PCT threshold value is adjusted according to AT reverse frames quality, ensure that reverse frames reaches demodulation threshold, thus the target Packet Error Ratio of control reverse traffic bag is in certain desired extent.
But existing power control techniques does not consider the state of affairs of user, thus cannot carry out power control for the state of affairs of user to user terminal.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of control method, control device and access network device, to support that the state of affairs for user carries out power control to user terminal.
For solving the problems of the technologies described above, the embodiment of the present invention provides scheme as follows:
Embodiments provide a kind of control method, described method comprises:
Determine the first business model of user terminal;
Determine first power contorl parameters corresponding with described first business model;
According to described first power contorl parameters, power control is carried out to described user terminal, described user terminal is launched with the first transmitting power being less than the second transmitting power;
Wherein, described second transmitting power is the transmitting power of according to the second power contorl parameters, described user terminal being carried out to described user terminal when power controls, described second power contorl parameters is power contorl parameters corresponding to the second business model, and data-rate requirements corresponding to described second business model is greater than data-rate requirements corresponding to described first business model.
Preferably, in above-mentioned method, describedly determine that the first business model of user terminal is:
Obtain the data message of described user terminal;
Described first business model is determined according to described data message.
Preferably, in above-mentioned method, obtain described data message from Access Network database.
Preferably, in above-mentioned method, described data message is the data message in the default time.
Preferably, in above-mentioned method, described determine the first business model of user terminal after, described method also comprises:
Judge that whether described first business model is identical with the business model determined before, obtain one first judged result;
When described first judged result is no, enter the described step determining first power contorl parameters corresponding with described first business model.
The embodiment of the present invention additionally provides a kind of control device, and described device comprises:
First determination module, for determining the first business model of user terminal;
Second determination module, for determining first power contorl parameters corresponding with described first business model;
First control module, for carrying out power control according to described first power contorl parameters to described user terminal, makes described user terminal launch with the first transmitting power being less than the second transmitting power; Wherein, described second transmitting power is the transmitting power of according to the second power contorl parameters, described user terminal being carried out to described user terminal when power controls, described second power contorl parameters is power contorl parameters corresponding to the second business model, and data-rate requirements corresponding to described second business model is greater than data-rate requirements corresponding to described first business model.
Preferably, in above-mentioned device, described first determination module comprises:
Acquiring unit, for obtaining the data message of described user terminal;
Determining unit, for determining described first business model according to described data message.
Preferably, in above-mentioned device, obtain described data message from Access Network database.
Preferably, in above-mentioned device, described device also comprises:
3rd determination module, whether identical with the business model determined before for judging described first business model that described first determination module is determined, obtain one first judged result;
Second control module, for when described first judged result is no, makes described second determination module determine first power contorl parameters corresponding with described first business model.
The embodiment of the present invention additionally provides a kind of access network device comprising said apparatus.
As can be seen from the above, at least there is following technique effect in the embodiment of the present invention: by determining corresponding power contorl parameters for different business models and carrying out power control to user terminal, user terminal is launched with less transmitting power, thus power control can be carried out for the state of affairs of user to user terminal.
Accompanying drawing explanation
The flow chart of steps of the control method that Fig. 1 provides for the embodiment of the present invention;
The flow chart of steps of the example of the control method that Fig. 2 provides for the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
The flow chart of steps of the control method that Fig. 1 provides for the embodiment of the present invention, with reference to Fig. 1, described control method comprises the steps:
Step 101, determines the first business model of user terminal;
Step 102, determines first power contorl parameters corresponding with described first business model;
Step 103, carries out power control according to described first power contorl parameters to described user terminal, and described user terminal is launched with the first transmitting power being less than the second transmitting power;
Wherein, described second transmitting power is the transmitting power of according to the second power contorl parameters, described user terminal being carried out to described user terminal when power controls, described second power contorl parameters is power contorl parameters corresponding to the second business model, and data-rate requirements corresponding to described second business model is greater than data-rate requirements corresponding to described first business model.
Visible, by determining corresponding power contorl parameters for different business models and carrying out power control to user terminal, user terminal is launched with less transmitting power, thus power control can be carried out for the state of affairs of user to user terminal.
Particularly, plural business model and power contorl parameters corresponding to each business model can be configured.Described first business model can be a business model in this plural business model, and described second business model can be different from the business model of described first business model in this plural business model.
This plural business model can configure according to data rate.
Such as, configuration service model A and business model B, business model A corresponding data speed range (V1 ~ V2), business model B corresponding data speed range (V3 ~ V4), wherein, V2 is less than or equal to V3.
Again such as, configuration service MODEL C, business model D and business model E, business model C corresponding data speed range (W1 ~ W2), business model D corresponding data speed range (W3 ~ W4), business model E corresponding data speed range (W5 ~ W6), wherein, W2 is less than or equal to W3, and W4 is less than or equal to W5.
Described method can be used for base station or base station controller.When described method is used for base station, it can be inner-loop power control or open sea wharf that described power controls; When described method is used for base station controller, it can be open sea wharf that described power controls.
Consider that the first business model and the second business model correspond to different data-rate requirements, then describedly determine that the first business model of user terminal can be:
Obtain the data message of user terminal;
Described first business model is determined according to described data message.
Wherein, described data message can be gathered; Or,
Described data message can be obtained from Access Network database.Particularly, Access Network can arrange a femto cell deployment scenario mark, and this is masked as true time and represents and enable miniature function.When this is masked as true time, Access Network database can collect user profile, according to the user profile determination user data information collected and user data information, for judging business model.
Described data message can be the speed of user data package (such as physical package, IP bag).
Can the speed range of pre-set user packet and the corresponding relation of business model, then describedly determine that described first business model can be according to described data message: according to the speed determination speed range of described user data package; Described first business model is determined according to described speed range.
Particularly, the mapping table of a speed range, business model, power contorl parameters set can be preset, as shown in table 1.
Table 1
| Speed range | Business model | Power contorl parameters set |
| （V1~V2） | A | J1 |
| （V3~V4） | B | J2 |
Wherein, V2 is less than or equal to V3.J1 comprises at least one power contorl parameters, and J2 comprises at least one power contorl parameters.In J1, J2 power contorl parameters arrange can make according to J1 to user terminal carry out power control time user terminal transmitting power be less than according to J2 to user terminal carry out power control time user terminal transmitting power.
Obtain the speed of user terminal, 1 determine that user terminal place speed range is for (V1 ~ V2) by tabling look-up, thus the business model determining user terminal is business model A, and then determine that the power contorl parameters that business model A is corresponding is gather the power contorl parameters in J1.According to the power contorl parameters in J1, power control being carried out to user terminal, being less than the transmitting power of according to J2, user terminal being carried out to user terminal when power controls with regard to making the transmitting power of user terminal.
Described data message can for the data message in the default time.
The data message of user terminal can be gathered within the time of presetting.
Or, describedly determine that the first business model of user terminal can be:
Obtain the type of service of described user terminal;
Described first business model is determined according to described type of service.
Wherein, traffic type information can be obtained from the packet header of packet (as physical package, IP bag); Or,
Traffic type information can be obtained from Access Network database.Particularly, Access Network can arrange a femto cell deployment scenario mark, and this is masked as true time and represents and enable miniature function.When this is masked as true time, Access Network database can obtain the type of service of user, the type of service of recording user, for judging the business model of user terminal.
Type of service can be n kind (wherein, n is more than or equal to 2), often kind of type of service can a corresponding rate value (such as, ensure bit rate), if the 1st kind of type of service corresponding speed value X1,2nd kind of type of service corresponding speed value X2, the like, n-th kind of type of service corresponding speed value Xn.If in the business that user is current, the ratio that the business number belonging to the 1st kind of type of service accounts for the current business total number of this user is Y1, the ratio that the business number belonging to the 2nd kind of type of service accounts for the current business total number of this user is Y2, the like, the ratio that the business number belonging to n-th kind of type of service accounts for the current business total number of this user is Yn, then can obtain the weighted value Z of speed:
Z=X1*Y1+X2*Y2+……+Xn*Yn （1）
Wherein, the business total number that this user is current can be one or more.
The scope of weighted value and the corresponding relation of business model can be preset, then determine that described first business model can be: the weighted value obtaining speed according to described type of service according to described type of service, according to described weighted value determination weighted value scope; Described first business model is determined according to described weighted value scope.
Particularly, the mapping table of a type of service, rate value can be preset, as shown in table 2.
Table 2
| Type of service | Rate value |
| 1 | X1 |
| 2 | X2 |
| ...... | ...... |
| n | Xn |
The mapping table of a weighted value scope, business model, power contorl parameters set can be preset, as shown in table 3.Wherein, U2 is less than or equal to U3.J1 comprises at least one power contorl parameters, and J2 comprises at least one power contorl parameters.In J1, J2 power contorl parameters arrange can make according to J1 to user terminal carry out power control time user terminal transmitting power be less than according to J2 to user terminal carry out power control time user terminal transmitting power.
Table 3
| Weighted value scope | Business model | Power contorl parameters set |
| （U1~U2） | A | J1 |
| （U3~U4） | B | J2 |
Obtain the type of service of user terminal and the ratio of the business number of often kind of type of service shared by the business total number of this user terminal, 2 rate value corresponding to often kind of type of service is obtained by tabling look-up, basis often kind of type of service is corresponding again rate value, business number and formula (1) obtain weighted value Z, 3 weighted value scope is obtained for (U1 ~ U2) by tabling look-up, thus the business model determining user terminal is business model A, and then determine that the power contorl parameters that business model A is corresponding is gather the power contorl parameters in J1.According to the power contorl parameters in J1, power control being carried out to user terminal, being less than the transmitting power of according to J2, user terminal being carried out to user terminal when power controls with regard to making the transmitting power of user terminal.
Consider that the business model that user terminal is corresponding may change, if still carry out power control according to original business model to user terminal, then may there is user terminal to the unnecessary interference of other user terminal (such as, when data-rate requirements corresponding to the business model of user terminal diminishes) or customer service quality (when the data-rate requirements that such as, the business model of user terminal is corresponding becomes large) cannot be ensured well.In view of this, described determine the first business model of user terminal after, described method also comprises:
Judge that whether described first business model is identical with the business model determined before, obtain one first judged result;
When described first judged result is no, enter the described step determining first power contorl parameters corresponding with described first business model.
Wherein, the described business model determined before can by gathering the data message of user terminal and determining according to this data message.This data message can be the speed of user data package (such as physical package, IP bag).Can the speed range of pre-set user packet and the corresponding relation of business model, then describedly determine that described first business model can be according to described data message: according to the speed determination speed range of described user data package; Described first business model is determined according to described speed range.This data message can for the data message in the default time.The data message of user terminal can be gathered within the time of presetting.Or the business model determined before described can by obtaining the type of service of described user terminal and determining according to this type of service.Determine type of service and illustrate according to before the concrete mode of type of service determination business model, not repeating them here.
Particularly, can adjustment cycle be configured, with this adjustment cycle for granularity collection user data or the traffic type information obtaining user terminal, and determine corresponding business model according to the traffic type information of the user data collected or the user terminal got.
Described first power contorl parameters can be signal-noise ratio threshold value (the PCT threshold value such as, in CDMA EVDO system).Described second power contorl parameters can be signal-noise ratio threshold value (the PCT threshold value such as, in CDMAEVDO system).Here, described second transmitting power is less than in order to make described first transmitting power, described first power contorl parameters can be less than described second power contorl parameters, and the first signal-noise ratio threshold value that namely described first business model is corresponding is less than the second signal-noise ratio threshold value corresponding to described second business model.It should be noted that, here only give a kind of concrete configuration mode of described first power contorl parameters and described second power contorl parameters, do not limit use and described first power contorl parameters or described second power contorl parameters are configured to other power contorl parameters existing.In fact, as long as described user terminal can be made to launch with the first transmitting power being less than the second transmitting power, described first power contorl parameters or described second power contorl parameters are configured to the specific implementation that existing other power contorl parameters any is also all described control method.
The flow chart of steps of the example of the control method that Fig. 2 provides for the embodiment of the present invention, with reference to Fig. 2, the power contorl parameters gone out by the functional switch of dynamic conditioning power control parameters preset, pre-set business Model Mapping according to user data information, carry out judgement customer service model, carry out dynamic power control parameter configuration according to customer service model.
Particularly, access network arranges a femto cell deployment scenario mark Scene, and this mark is used for system whether enables dynamic Modulating Power controling parameters function, arranges according to practical application scene during network design, when Scene is set to True, represents and enable miniature function.
Then this example comprises the steps:
Step 201, access network femto cell dynamic-configuration function starts;
Such as, when access network is started operation, access network femto cell dynamic-configuration function starts.
Step 202, access network opens dynamic power control parameter configuration function;
Particularly, access network checks the setting of Scene, if Scene is set to True, then access network opens dynamic power control parameter configuration function, enters step 203; If Scene is not set to True, then enter step 208.
Step 203, the power contorl parameters that access network pre-set business Model Mapping goes out, according to the feature of different business models, arranges rational power contorl parameters;
Wherein, different business models can corresponding different data-rate requirements.
Such as, the business model of 2 corresponding different rates scopes can be had.Wherein, the maximum of the 1st speed range that business model is corresponding is less than the minimum value of the 2nd speed range that business model is corresponding.
Power contorl parameters can be signal-noise ratio threshold value.
Step 204, access network presets the dynamic conditioning cycle, with this cycle for granularity Detection user profile, judges customer service model, if customer service model changes, then initiates dynamic conditioning power contorl parameters;
Step 205, access network collects user profile;
Here, user profile such as: user data.
Particularly, user profile can be collected by the base station in access network or base station controller, or, can by access network data-base recording user profile.
Step 206, according to user profile, determines customer service model;
Particularly, user data feature can be obtained according to user profile by base station or base station controller, again according to user data feature determination customer service model, or, user data feature can be obtained according to user profile by access network database root, and user data feature is sent to base station or base station controller, by base station or base station controller according to user data feature determination customer service model.
Wherein, user data feature can be: the speed of user data package (such as physical package, IP bag).Then can the speed range of pre-set user packet and the corresponding relation of business model, according to the speed determination speed range of described user data package, according to described speed range determination customer service model.
Step 207, according to the mapping relations of customer service model and power contorl parameters, dynamic conditioning power contorl parameters, carries out power control to user;
Particularly, for the one-period in the dynamic conditioning cycle, according to customer service model and this mapping relations determination power contorl parameters; For the subsequent cycle in the dynamic conditioning cycle, judge that whether customer service model is identical with the customer service model determined before, if not, then determine new power contorl parameters according to customer service model and these mapping relations, and according to new power contorl parameters, power control is carried out to user.
Step 208, access network femto cell dynamic-configuration function terminates.
This example can be used for base station in access network or base station controller.When for base station, it can be inner-loop power control or open sea wharf that power controls; When for base station controller, it can be open sea wharf that described power controls.
In CDMA EVDO system, when user terminal to transmit data bag, the physical package of which kind of speed size is used to send closely related with the adjustment of PCT threshold value, when a user uses little rate physical bag to send data all the time, PCT threshold value can be turned down accordingly, and also can ensure its demodulation threshold value, namely the transmitting power of user relatively can be on the low side, thus reduce inter-user interference, to improve system reverse capacity.Therefore, by distinguishing the business model that user uses, corresponding power contorl parameters is configured (such as customer service model, the signal-noise ratio threshold value less to the customer service model configuration that data-rate requirements is less), thus carry out corresponding power control, contribute to reasonably controlling user emission power, reduce inter-user interference, improve system reverse capacity.
The embodiment of the present invention additionally provides a kind of control device, and described device comprises:
First determination module, for determining the first business model of user terminal;
Second determination module, for determining first power contorl parameters corresponding with described first business model;
First control module, for carrying out power control according to described first power contorl parameters to described user terminal, makes described user terminal launch with the first transmitting power being less than the second transmitting power; Wherein, described second transmitting power is the transmitting power of according to the second power contorl parameters, described user terminal being carried out to described user terminal when power controls, described second power contorl parameters is power contorl parameters corresponding to the second business model, and data-rate requirements corresponding to described second business model is greater than data-rate requirements corresponding to described first business model.
Visible, by determining corresponding power contorl parameters for different business models and carrying out power control to user terminal, user terminal is launched with less transmitting power, thus power control can be carried out for the state of affairs of user to user terminal.
Described device can be external or be built in base station or base station controller.
Described first determination module can comprise:
Acquiring unit, for obtaining the data message of described user terminal;
Determining unit, for determining described first business model according to described data message.
Described data message can be obtained from Access Network database.
Consider that the business model that user terminal is corresponding may change, thus the power carrying out adapting with this change may be needed to control, described device can also comprise:
3rd determination module, whether identical with the business model determined before for judging described first business model that described first determination module is determined, obtain one first judged result;
Second control module, for when described first judged result is no, makes described second determination module determine first power contorl parameters corresponding with described first business model.
The embodiment of the present invention additionally provides a kind of access network device, and described access network device comprises above-described control device.Described access network device can be base station or base station controller.For CDMAEVDO system, described access network device is specifically as follows BTS or BSC.
The above is only embodiments of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a control method, is characterized in that, described method comprises:
Determine the first business model of user terminal;
Determine first power contorl parameters corresponding with described first business model;
According to described first power contorl parameters, power control is carried out to described user terminal, described user terminal is launched with the first transmitting power being less than the second transmitting power;
Wherein, described second transmitting power is the transmitting power of according to the second power contorl parameters, described user terminal being carried out to described user terminal when power controls, described second power contorl parameters is power contorl parameters corresponding to the second business model, and data-rate requirements corresponding to described second business model is greater than data-rate requirements corresponding to described first business model.
2. the method for claim 1, is characterized in that, describedly determines that the first business model of user terminal is:
Obtain the data message of described user terminal;
Described first business model is determined according to described data message.
3. method as claimed in claim 2, is characterized in that, obtain described data message from Access Network database.
4. method as claimed in claim 2, it is characterized in that, described data message is the data message in the default time.
5. the method for claim 1, is characterized in that, described determine the first business model of user terminal after, described method also comprises:
Judge that whether described first business model is identical with the business model determined before, obtain one first judged result;
When described first judged result is no, enter the described step determining first power contorl parameters corresponding with described first business model.
6. a control device, is characterized in that, described device comprises:
First determination module, for determining the first business model of user terminal;
Second determination module, for determining first power contorl parameters corresponding with described first business model;
First control module, for carrying out power control according to described first power contorl parameters to described user terminal, makes described user terminal launch with the first transmitting power being less than the second transmitting power; Wherein, described second transmitting power is the transmitting power of according to the second power contorl parameters, described user terminal being carried out to described user terminal when power controls, described second power contorl parameters is power contorl parameters corresponding to the second business model, and data-rate requirements corresponding to described second business model is greater than data-rate requirements corresponding to described first business model.
7. device as claimed in claim 6, it is characterized in that, described first determination module comprises:
Acquiring unit, for obtaining the data message of described user terminal;
Determining unit, for determining described first business model according to described data message.
8. device as claimed in claim 7, is characterized in that, obtain described data message from Access Network database.
9. device as claimed in claim 6, it is characterized in that, described device also comprises:
3rd determination module, whether identical with the business model determined before for judging described first business model that described first determination module is determined, obtain one first judged result;
Second control module, for when described first judged result is no, makes described second determination module determine first power contorl parameters corresponding with described first business model.
10. an access network device, is characterized in that, comprises the control device according to any one of claim 6 to 9.
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