CN101247152A - Output power control method and signal transmitting device - Google Patents
Output power control method and signal transmitting device Download PDFInfo
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- CN101247152A CN101247152A CNA2008100341636A CN200810034163A CN101247152A CN 101247152 A CN101247152 A CN 101247152A CN A2008100341636 A CNA2008100341636 A CN A2008100341636A CN 200810034163 A CN200810034163 A CN 200810034163A CN 101247152 A CN101247152 A CN 101247152A
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- power
- power amplifier
- amplifier device
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- 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
Abstract
The present invention discloses an output power control method which comprises the following steps: receiving a power output request, judging whether the power of the requested output is higher than the preset first threshold value, and if it is, keeping the power outputted to the power amplifying device. The invention also discloses a signal transmitting device which comprises a power control module which is used for controlling the power outputted to the power amplifying device. In the invention when the power of the requested output exceeds the preset first threshold value, the direct ascending of the power outputted to the power amplifying device is not allowed and the power outputted to the power amplifying module is kept. Therefore, the impact caused by the fast ascending of the output power to the power amplifying device is avoided, and the safe and reliable operation of the power amplifying device is guaranteed.
Description
Technical field
The present invention relates to communication technical field, relate in particular to output power control method and sender unit.
Background technology
Usually use power amplifier (Power Amplifier, PA are called for short power amplifier) that the base band power output is amplified in the base station, on eating dishes without rice or wine, to transmit.
In order to reduce the power (abbreviation power consumption) that consumes when power amplifier is worked, when the base band power output reduces, need be according to the base band power output, to the parameter of power amplifier (such as, the bias voltage of power amplifier, slicing parameter etc.) adjust, make power amplifier be operated in power save mode, to reach the purpose of saving power consumption.
But in research and practice process to prior art, the inventor finds to be operated in the power amplifier of power save mode can be very sensitive to the variation of base band power output, if it is too fast that the base band power output rose in a certain period, can produce power amplifier and impact, gently then cause power amplifier output modulation waveform to produce distortion, heavy then damage even burn power amplifier, therefore, need a kind of technology that power output is controlled at present badly, to guarantee the safe and reliable work of power amplifier.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of output power control method and sender unit, can control power output, and it is too fast to power amplifier device generation impact to avoid power output to rise.
For solving the problems of the technologies described above, embodiment provided by the present invention is achieved through the following technical solutions:
A kind of output power control method comprises:
Received power is exported request, judges whether the power of request output is higher than first threshold value that presets, if then maintenance exports the power of power amplifier device to.
A kind of sender unit comprises: power control module;
Described power control module is used to control the power that exports power amplifier device to, specifically comprises:
The request receiving element is used for received power output request;
Judging unit is used to judge whether the power of request output is higher than first threshold value that presets, if then trigger first control unit;
Described first control unit is used to keep exporting to the power of power amplifier device.
Technique scheme has following beneficial effect:
In embodiments of the present invention, when the power of request output surpasses first threshold value that presets, do not allow to export to the direct lifting of power of power amplifier device, but maintenance exports the power of power control module to, thereby, avoided the too fast impact that power amplifier device is caused of power output rising, the guaranteed output amplifying device is worked safely and reliably.
Description of drawings
The output power control method flow chart that Fig. 1 provides for the embodiment of the invention one;
Fig. 2 forms schematic diagram for the sender unit that the embodiment of the invention one provides;
The output power control method flow chart that Fig. 3 provides for the embodiment of the invention two;
The power amplifier device operating state method of adjustment that Fig. 4 provides for the embodiment of the invention.
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 enter step 103, if not, then enter 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, power when request output, when surpassing first threshold value that presets as 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 enters 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;
In actual applications, power control module 201 specifically comprises:
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 enters normal operating conditions, triggers second control unit 2014.
The sender unit that provides in the embodiment of the invention also comprises: power amplifier device 202 of communicating by letter with power control module 201 and power regulation module 203, wherein, power regulation module 203 is used to adjust the power that exports power amplifier device 202 to.
In actual applications, the power amplifier device 202 that provides of the embodiment of the invention 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 enter 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;
Energy-conservation response unit is used for after receiving energy-conservation request, returns energy-conservation the response to power amplifier device 202.
In actual applications, 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;
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 described 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 actual applications, the sender unit stated of preamble 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 output power control method implementation procedure in actual applications 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 actual applications, 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 actual applications, 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, M the power amplifier device 202 that power control module 201 correspondences are described is operated in power save mode, then enter step 303, if power control module 201 is operated in normal operating conditions, then enter step 309;
Wherein, in other embodiments of the 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: power control module 201 judges whether the power of user equipment requests output surpasses first threshold value (also can be described as the energy-conservation threshold value of cancellation) that presets, if, then enter step 304, otherwise, step 309 entered;
It should be noted that when power output request is HSDPA service rate lifting request, before step 303, need further to 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 status adjustment requests, request power amplifier device 202 operating states are set to normal operating conditions;
Step 306: after power amplifier device 202 received the request adjusted, operating state was set to normal operating conditions, and returned success to main control module 204 and to enter the normal operating conditions response;
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.
More than the output power control method and the sender unit that provide for the embodiment of the invention, having stated the power amplifier device that content is operated in power save mode as can be known by preamble can be when the power lifting, operating state is adjusted into normal operating conditions, and output control device also can be adjusted self operating state according to the 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, illustrates that power amplifier device 202 can enter power save mode, then enters 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;
By the preamble narration as can be known, 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, 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 enter 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 be that the base band power output has illustrated the method that the embodiment of the invention provides for example with the power output, 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, do not repeat them here.
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 finish by 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 are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1, a kind of output power control method is characterized in that, comprising:
Received power is exported request, judges whether the power of request output is higher than first threshold value that presets, if then maintenance exports the power of power amplifier device to.
2, output power control method as claimed in claim 1 is characterized in that, if described power amplifier device is operated in power save mode, then described method further comprises:
Notify described power amplifier device operating state to be set to normal operating conditions;
After described power amplifier device successfully enters normal operating conditions, allow the described power that exports power amplifier device to of lifting.
3, output power control method as claimed in claim 2 is characterized in that, described method further comprises:
Described power amplifier device detects input power and whether is lower than second threshold value that presets, if then operating state is set to power save mode.
4, a kind of sender unit is characterized in that, comprising: power control module;
Described power control module is used to control the power that exports power amplifier device to, specifically comprises:
The request receiving element is used for received power output request;
Judging unit is used to judge whether the power of request output is higher than first threshold value that presets, if then trigger first control unit;
Described first control unit is used to keep exporting to the power of power amplifier device.
5, sender unit as claimed in claim 4 is characterized in that, if described power amplifier device is operated in power save mode, then described power control module further comprises: notification unit, second control unit;
Described 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 enters normal operating conditions, triggers described second control unit;
Described second control unit is used to allow lifting to export the power of described power amplifier device to;
Described power amplifier device 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.
6, sender unit as claimed in claim 5 is characterized in that, described power amplifier device further comprises:
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 is set to power save mode.
7, sender unit as claimed in claim 6 is characterized in that, described power amplifier device further comprises:
Energy-conservation request unit is used for sending energy-conservation request to described power control module when input power is lower than second threshold value that presets;
Described power control module further comprises:
Energy-conservation response unit is used for returning energy-conservation the response to power amplifier device after receiving energy-conservation request.
As claim 5 or 6 or 7 described sender units, it is characterized in that 8, if power control module control exports the power of a plurality of power amplifier devices to, then described device further comprises: main control module;
Described main control module is used to assist described power control module and described power amplifier device to communicate, and specifically comprises:
Transmitting element is searched and notified to power amplifier, be used for after the notice that receives described power control module transmission, search a plurality of power amplifier devices corresponding, and notify described a plurality of power amplifier device operating state to be set to normal operating conditions with described power control module.
9, sender unit as claimed in claim 7 is characterized in that, if the corresponding a plurality of power control modules of power amplifier device, described main control module further comprises:
Power control is searched and message sending unit, be used for after the energy-conservation request that receives described power amplifier device transmission, search a plurality of power control modules corresponding with described power amplifier device, energy-conservation request is sent to described a plurality of power control module, and the energy-conservation response that described power control module returns is sent to described power amplifier device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100341636A CN101247152B (en) | 2008-02-29 | 2008-02-29 | Output power control method and signal transmitting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100341636A CN101247152B (en) | 2008-02-29 | 2008-02-29 | Output power control method and signal transmitting device |
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| CN101247152A true CN101247152A (en) | 2008-08-20 |
| CN101247152B CN101247152B (en) | 2012-01-04 |
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| AU4656899A (en) * | 1998-07-13 | 2000-02-01 | Samsung Electronics Co., Ltd. | Power control device and method for reverse link common channel in mobile communication system |
| US6628957B1 (en) * | 1999-07-16 | 2003-09-30 | Lucent Technologies Inc. | Synchronization of transmit power level settings for soft-handoff in wireless systems by the use of level constraints |
| CN1198419C (en) * | 2003-01-16 | 2005-04-20 | 大唐移动通信设备有限公司 | Control method based on power of down doing guidance time slot |
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Effective date of registration: 20211221 Address after: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee after: HUAWEI TECHNOLOGIES Co.,Ltd. Address before: 200121 No. 615 Nanjing Road, Shanghai, Pudong New Area Patentee before: SHANGHAI HUAWEI TECHNOLOGIES CO.,LTD. Effective date of registration: 20211221 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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