Embodiment
For the purpose that makes the embodiment of the invention, technical scheme, and advantage clearer, below the technical scheme that the embodiment of the invention provides is elaborated with reference to accompanying drawing.
Output power control method that the embodiment of the invention provides and sender unit are applicable to that to the base band power output intermediate frequency power output and other forms of power output are controlled.
See also Fig. 1, be the output power control method flow chart that the embodiment of the invention one provides, this method comprises:
Step 101: received power output request;
Step 102: whether the power of judging request output is higher than first threshold value (also can be described as the energy-conservation threshold value of cancellation) that presets, if then get into step 103, if not, then get into step 104;
In embodiments of the present invention, the power of request output can be the power that inputs to power amplifier device, also can be the power of request power amplifier device output.
Step 103: the power that keeps exporting to power amplifier device;
Step 104: allow lifting to export the power of power amplifier device to.
In embodiments of the present invention, when the power of request output, when surpassing first threshold value that presets like base band power output or intermediate frequency power output; Do not allow to export to the direct lifting of power of power amplifier device; But kept power output, thereby it is too fast to have avoided power output to rise; To the impact that power amplifier device causes, guaranteed that power amplifier device works safely and reliably.
Further, if power amplifier device is operated in power save mode, can normally carry out in order to guarantee business, said method can further include:
Step 105: notice power amplifier device operating state is set to normal operating conditions;
Step 106: after power amplifier device successfully gets into normal operating conditions, allow lifting to export the power of power amplifier device to;
Because the power lifting can't produce be impacted the power amplifier device that is operated in normal operating conditions, therefore, guaranteed that power amplifier device can work reliably.
See also Fig. 2, be the sender unit that the embodiment of the invention one provides, this device comprises power control module 201;
Power control module 201 is used to control the power that exports power amplifier device to;
In practical application, power control module 201 specifically comprises:
Request receiving element 2011 is used for received power output request;
Judging unit 2012 is used to judge whether the power of request output is higher than first threshold value that presets, if then trigger first control unit 2013, if not, then trigger second control unit 2014;
First control unit 2013 is used to keep exporting to the power of power amplifier device;
Second control unit 2014 is used to allow lifting to export the power of power amplifier device to.
Further, if power amplifier device is operated in power save mode, in order to guarantee professional normally carrying out, above-mentioned power control module 201 further comprises:
Notification unit is used to notify the power amplifier device operating state to be set to normal operating conditions, and after power amplifier device successfully gets into normal operating conditions, triggers second control unit 2014.
The sender unit that provides in the embodiment of the invention also comprises: the power amplifier device 202 and the power regulation module 203 of communicating by letter with power control module 201, wherein, power regulation module 203 is used to adjust the power that exports power amplifier device 202 to.
In practical application, the power amplifier device 202 that the embodiment of the invention provides specifically comprises:
The first state adjusting module is used for after receiving the notice that operating state is adjusted into normal operating conditions, and the operating state of power amplifier device is set to normal operating conditions.
In order to make power amplifier device 202 better save power consumption, power amplifier device 202 can further include:
Detecting unit is used to detect input power and whether is lower than second threshold value that presets;
The second state adjustment unit is used for when input power is lower than second threshold value that presets, and the operating state of power amplifier device 202 is set to power save mode.
Further, know that in order to make power control module 201 power amplifier device 202 will get into power save mode, above-mentioned power amplifier device 202 further comprises:
Energy-conservation request unit is used for sending energy-conservation request to power control module 201;
Power control module 201 further comprises:
Energy-conservation response unit is used for after receiving energy-conservation request, returns energy-conservation the response to power amplifier device 202.
In practical application, power control module 201 may be controlled the power that exports a plurality of power amplifier devices 202 to, and then sender unit further comprises: main control module 204;
Main control module 204 is used to assist power control module 201 and power amplifier device 202 to communicate, and specifically comprises:
Transmitting element is searched and notified to power amplifier; Be used for after the notice that receives power control module 201 transmissions; Search a plurality of power amplifier devices 202 corresponding, and notify a plurality of power amplifier device 202 operating states to be set to normal operating conditions with said power control module 201;
Power control is searched and message sending unit; Be used for after the energy-conservation request that received power amplifying device 202 sends; Search a plurality of power control modules 201 corresponding with power amplifier device 202; Energy-conservation request is sent to a plurality of power control modules 201, and the energy-conservation response that power control module 201 returns is sent to power amplifier device 202.
Output power control method and sender unit that the embodiment of the invention provides have more than been introduced.In practical application, the sender unit that preamble has been stated can be equipment such as base station or access point.Below be example with base band power output commonly used in base station or the access point, introduce the implementation procedure of output power control method in practical application that preamble has been stated.
Below in conjunction with Fig. 2 the output power control method that the embodiment of the invention two provides is described in detail, method is used for the base band power output is controlled.
See also Fig. 3, be the output power control method flow chart that the embodiment of the invention two provides, this method comprises:
Step 301: subscriber equipment (User Equipment, UE) transmitted power output is asked to power control module 201;
Wherein, subscriber equipment can be a mobile phone, can also be data card etc., and in practical application, power output request can be base band power output request, also can be intermediate frequency power output request, perhaps other forms of power output request.The request of power output in the present embodiment is base band power output request.
In practical application, base band power output request can be that (High SpeedDownlink Packages Access, HSDPA) service rate lifting request when the lifting of HSDPA service rate, need to increase the transmitting power of base station in the high speed downlink packet access.
Step 302: power control module 201 received powers output request; If power control module 201 is operated in the flash-up state of a control; Explain that power control module 201 M corresponding power amplifier devices 202 are operated in power save mode; Then get into step 303,, then get into step 309 if power control module 201 is operated in normal operating conditions;
Wherein, In other embodiment of the present invention, the operating state of power control module 201 also can be set, at this moment; Power control module 201 is receiving directly execution in step 303 of power output request back; Perhaps, power control module 201 is set to the operating state that other possess similar functions, does not all influence the realization of the embodiment of the invention.
Step 303: whether the power of power control module 201 judges device request output surpasses first threshold value (also can be described as the energy-conservation threshold value of cancellation) that presets, if, then get into step 304, otherwise, step 309 got into;
It should be noted that when power output request is HSDPA service rate lifting request, before step 303, need further comprise:
Judge current interface-free resources situation, IUB transmission bandwidth resource, whether hardware resources etc. satisfy condition, if satisfy, power control module 201 execution in step 303 then, otherwise, finish request this time;
Step 304: power control module 201 keeps the base band power output;
So far, the method that the embodiment of the invention two provides has realized the lifting of control base band power output, has reached the purpose of guaranteed output amplifying device 202 safe and reliable work.
Further, in order to guarantee professional normally carrying out, power control module 201 can also be further to main control module 204 transmitted power lifting requests in step 304 when keeping the base band power output, and said method further comprises:
Step 305: after main control module 204 receives power lifting request; Search M power amplifier device 202 of power control module 201 correspondences; And to power amplifier device 202 transmit statuss adjustment request, request power amplifier device 202 operating states are set to normal operating conditions;
Step 306: after power amplifier device 202 received the adjustment request, operating state was set to normal operating conditions, and returned success the response of entering normal operating conditions to main control module 204;
Wherein, power amplifier device 202 operating states are set to normal operating conditions and are specially: power amplifier device 202 is with bias voltage, and parameters such as slicing parameter are set to the parameter value of normal operating conditions.
Step 307: main control module 204 allows lifting base band power output to power control module 201 transmitted power liftings response;
Step 308: power control module 201 its operating states are set to normal operating conditions;
Step 309: power control module 201 allows power regulation module 203 liftings to export the base band power output of power amplifier device 202 to.
The output power control method and the sender unit that more than provide for the embodiment of the invention; Stated content by preamble and can know that the power amplifier device that is operated in power save mode can be when the power lifting; Operating state is adjusted into normal operating conditions; And output control device also can be according to operating state adjustment self operating state of power amplifier device.The embodiment of the invention also further provides a kind of operating state with power amplifier device to be adjusted into the method for power save mode in view of the above.
See also Fig. 4, the method for the adjustment power amplifier device operating state that provides for the embodiment of the invention, this method is used for the operating state of power amplifier device is adjusted into power save mode, comprising:
Step 401: power amplifier device 202 detects the base band power output, if the base band power output is lower than second threshold value that presets, explains that power amplifier device 202 can get into power save mode, then gets into step 402, otherwise, wait for next time and detect;
Step 402: power amplifier device 202 sends energy-conservation request to main control module 204;
Step 403: after main control module 204 receives energy-conservation request, search N power control module 201 of power amplifier device 202 correspondences, and to this N power control module 201 transmission power control message;
Step 404: after power control module 201 received message, operating state was set to the flash-up state of a control;
Can know by the preamble narration; The variation of 202 pairs of base band power outputs of power amplifier device that is operated in power save mode is very responsive, therefore, and when power control module 201 operating states are set to the flash-up state of a control; If it is too fast that the base band power output rises; Then power control module 201 output power control method that can provide according to the embodiment of the invention is controlled the base band power output, with the safe and reliable work of guaranteed output amplifying device 202.
Step 405: power control module 201 returns success ingoing power to main control module 204 and increases the state of a control response;
Step 406: main control module 204 returns energy-conservation request and responds to power amplifier device 202, allows power amplifier device 202 to get into power save mode;
Step 407: power amplifier device 202 its operating states are set to power save mode;
Wherein, power amplifier device 202 its operating states are set to power save mode and are specially: power amplifier device 202 is bias voltage, the parameter value when parameters such as slicing parameter are set to the energy conservation state.
More than with the power output for the base band power output is that example has been explained the method that the embodiment of the invention provides, if power output is that the method that intermediate frequency power output or other forms of power output all can adopt preamble to state is controlled, repeat no more at this.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; This program comprises that preamble stated the step in the method when carrying out.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than a kind of output power control method provided by the present invention and sender unit have been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.