CN1745515A - Method for controlling power for a mobile communications terminal - Google Patents
Method for controlling power for a mobile communications terminal Download PDFInfo
- Publication number
- CN1745515A CN1745515A CNA2004800032083A CN200480003208A CN1745515A CN 1745515 A CN1745515 A CN 1745515A CN A2004800032083 A CNA2004800032083 A CN A2004800032083A CN 200480003208 A CN200480003208 A CN 200480003208A CN 1745515 A CN1745515 A CN 1745515A
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- CN
- China
- Prior art keywords
- voltage
- rechargeable battery
- transmitted power
- power
- predetermined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010295 mobile communication Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007689 inspection Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000002596 correlated effect Effects 0.000 abstract 3
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000036962 time dependent Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001915 proofreading effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/007—Control dependent on the supply voltage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0244—Stepped control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
The invention relates to a method for controlling power for a mobile communications terminal, which comprises a battery with a time-dependent battery voltage and comprises a power amplifier. The invention provides that before the transmission of a signal, the battery voltage is determined by a control and testing unit and is compared to a predetermined upper threshold voltage U nominal*. The signal is transmitted with a predetermined transmit power while creating a voltage dip Delta U1, which is correlated with the predetermined transmit power, when the battery voltage is greater than the upper threshold voltage U nominal*. The signal is transmitted with a reduced transmit power while creating a voltage dip Delta U2, which is correlated with the reduced transmit power, when the battery voltage is less than or equal to the upper threshold voltage U nominal*. The reduced transmit power is selected in such a manner that the battery voltage minus the voltage dip Delta U2, which is correlated with the reduced transmit power, is greater than or equal to a predetermined lower threshold voltage U burst.
Description
Technical field
The present invention relates to a kind ofly regulate method, the suitable circuit of power and have the mobile communication transmitting apparatus of this circuit for the mobile communication transmitting apparatus.
Background technology
The mobile communication transmitting apparatus, especially must satisfy the requirement of GSM standard TS45005 according to the mobile phone of GSM standard.The mobile communication transmitting apparatus drives with rechargeable battery usually.With 2.2 volts of drivings of Annex D, its characteristic is met in this rechargeable battery types in this regulation.Rechargeable battery has maximum cell voltage U_nenn under the state that is full of electricity.In afore mentioned rules, except that other, also be limited to cell voltage and drop to before the stop voltage value, as U_nenn
*=0.85 or 0.9 * U_nenn, must guarantee specific transmitted power performance in other words.Like this, for example must send signal with the transmitted power that reaches particular value P_reduc_spec.
In addition, this standard also stipulates, must guarantee under the magnitude of voltage that is limited, just for example 0.85 or 0.9 * U_nenn under when moving, can not disturb adjacent channel.
Up to now, in mobile phone and gsm module, come very strictly to explain this regulation like this, under the magnitude of voltage that limits, just at U_nenn
*=0.85 or 0.9 * U_nenn under transmitted power can reach the P_reduc_spec value at least.If this transmitted power can not reach, then close the mobile communication transmitting apparatus automatically.But the latter is again unwanted with regard to regulation TS45005.
A very big shortcoming of known method is that rechargeable battery is not used by the best with regard to its capacity.But the mobile communication transmitting apparatus just had been closed before rechargeable battery exhausts.Thus, under the situation of mobile phone also strong restrictions the air time.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of possibility, can utilize the capacity of the rechargeable battery of mobile communication transmitting apparatus better.
Technical problem of the present invention solves by the inventive method of claim 1, the circuit of claim 5 and the mobile communication transmitting apparatus of claim 7.Other preferred implementation provides in the corresponding dependent claims.
Provide a kind of method for mobile communication transmitting apparatus adjusting power according to claim 1, this communication transmitting apparatus comprises the rechargeable battery and the power amplifier of the cell voltage with the time of depending on, wherein,
-before control and inspection unit send signal, determine this cell voltage, and with the upper threshold voltage U_nenn that is scheduled to
*Compare,
If-cell voltage is greater than upper threshold voltage U_nenn
*, then under the condition that produces a voltage disturbance Δ U1 that predetermined transmitted power is proofreaied and correct with this, send this signal with predetermined transmitted power,
If-cell voltage is less than or equal to this upper threshold voltage U_nenn
*Then use the transmitted power of determining by control unit that reduces under the condition of the voltage disturbance Δ U2 that produces the transmitted power correction that reduces with this, to send this signal, wherein select this transmitted power that reduces like this, make cell voltage after having deducted the voltage disturbance Δ U2 that proofreaies and correct with the transmitted power that reduces more than or equal to the threshold voltages U_Burst that is scheduled to.
Generally known, along with the voltage that reduces rechargeable battery of rechargeable battery capacity also reduces.Power amplifier in the mobile communication transmitting apparatus is within the equipment of maximum customer.When sending signal, produce electric current, on the internal resistance of rechargeable battery, have voltage disturbance thus all the time.The variation of the time of electric current is an impulse form when sending burst, also can occur the voltage disturbance of impulse form thus.These voltage disturbances are determined the close moment of mobile communication transmitting apparatus at last.Proofread and correct this voltage disturbance with corresponding transmitted power.According to described regulation TS45005, voltage disturbance Δ U1 in the specific voltage value that drops to cell voltage (as U_nenn
*=0.85 or 0.9 * U_nenn) all must keep constant before.Magnitude of voltage U_nenn in this qualification
*Under, the power by limiting power amplifier is reduced to P_reduc_spec with transmitted power at present, and this makes this voltage disturbance be reduced to voltage disturbance Δ U2.Voltage disturbance Δ U2 keeps constant then.If cell voltage less than the predetermined voltage U _ Abschalt that closes, is then closed the mobile communication transmitting apparatus after deduction voltage disturbance Δ U2.The method according to this invention is, up to the magnitude of voltage that limits (as U_nenn
*All provide described regulation desired maximum transmit power till=0.85 or 0.9 * U_nenn).But under the magnitude of voltage of this qualification, opposite with current measure, all use littler transmitted power that the mobile communication transmitting apparatus is remained on running status till up near the discharging fully of rechargeable battery the time, because the magnitude of voltage U_nenn that is limiting
*Under, constant voltage disturbance Δ U2 is not provided, constant transmitted power just is not provided.But according to the present invention, guarantee cell voltage after the voltage disturbance Δ U2 that deduction is proofreaied and correct with the transmitted power that reduces more than or equal to the threshold voltages U_Burst that is scheduled to.Guaranteed that thus all circuit elements that should power are all enough powered, and therefore kept the function good state.At this, important circuit element is voltage regulator and power amplifier.
In the preferred implementation of the inventive method,, then close the mobile communication transmitting apparatus if voltage disturbance Δ U2 is equal to or less than predetermined voltage disturbance threshold value.
Particularly preferably be, the transmitted power of proofreading and correct with the specific voltage disturbance is reduced to till minimum transmit power predetermined, that for example required by the base station reaches always.At this time of day just close the mobile communication transmitting apparatus.
Preferably, if cell voltage is less than or equal to upper threshold voltage U_nenn
*, then reduce transmitted power according to this cell voltage, make this cell voltage after the voltage disturbance Δ U2 that deduction is proofreaied and correct with transmitted power, equal predetermined threshold voltages U_Burst.Reducing on the charging interval of rechargeable battery of transmitted power is continuous.
Method of the present invention has provided lot of advantages.Like this, can utilize existing rechargeable battery capacity better.In addition, under the situation of mobile phone, significantly improved the air time.Also keeping the technical parameter of in regulation TS45005, describing under the maximum conditions by method of the present invention simultaneously.According to of the present invention, at the stop voltage value U_nenn of rechargeable battery voltage
*Under reduce transmitted power and meet this regulation.
In addition, the present invention also is included as the circuit that the mobile communication transmitting apparatus is regulated power.Circuit of the present invention comprises following element at least:
-have a rechargeable battery of the cell voltage of the time of depending on,
-be used for wireless receiving and send the reception and the transmitting element of signal,
-be used to be provided with the power amplifier of the transmitted power of signal to be sent,
-baseband controller,
-control and inspection unit, wherein should control be connected with rechargeable battery with the inquiry cell voltage with inspection unit, be connected minimum transmit power with search request with transmitting element with reception, also being connected with power amplifier can be by control and the definite transmitted power of inspection unit to be provided with.
In the preferred implementation of circuit of the present invention, control and inspection unit are integrated in the baseband controller.It is also conceivable that control and inspection unit are integrated in power amplifier or reception and the transmitting element.Preferably, this is integrated in the so-called baseband controller and carries out, because have the control of the rated output amplifier that is useful on or the information of adjusting parameter in the baseband controller.
At last, the invention still further relates to mobile communication equipment, wherein integrated in a circuit according to the invention.
Description of drawings
Explain other advantages of the present invention in detail by accompanying drawing.Among the figure:
Fig. 1 illustrates according to the cell voltage of the rechargeable battery of the operating mobile communication transmitting apparatus of prior art as the variation of the function of time (Fig. 1 a), and the cell voltage of the rechargeable battery of the method according to this invention mobile communication transmitting apparatus is as the variation (Fig. 1 b) of the function of time with comparing;
Fig. 2 roughly illustrates the execution mode of the circuit according to the present invention.
Embodiment
Fig. 1 a shows the variation of rechargeable battery voltage as the function of time, and this is to display when the mobile communication transmitting apparatus according to prior art moves.From maximum voltage U_nenn, rechargeable battery voltage descends in time, also is so even do not send signal, as changing shown in the fragment 1.If the transmission signal then voltage disturbance Δ U1 occurs as beginning is explained.This voltage disturbance Δ U1 and specific transmitted power P interrelate.If rechargeable battery voltage reaches magnitude of voltage U_nenn predetermined, that for example provide as U_nenn * x
*, factor x=0.85 or 0.9 wherein, then transmitted power P is reduced to P_reduc_spec, and this can cause the voltage disturbance Δ U2 that occurs reducing.After this, voltage disturbance Δ U2 keeps constant.If the working voltage during sending, just deducted voltage disturbance Δ U2 rechargeable battery voltage less than the predetermined voltage U _ Abschalt that closes, then close mobile phone.
In contrast, under the condition of the execution mode that adopts the inventive method, the mobile communication transmitting apparatus turn-offs when transmission frequency is identical in Fig. 1 b obviously more lately.At predetermined magnitude of voltage U_nenn
*Under, the voltage disturbance Δ U2 that occurs respectively, occur when sending signal no longer only is reduced to particular value quickly, in all transmission activities subsequently, all keep constant then, and select like this transmitted power that reduces, rechargeable battery voltage after making deduction with the voltage disturbance Δ U2 of transmitted power correction that is to say that more than or equal to predetermined threshold voltages U_Burst the voltage disturbance Δ U2 that proofreaies and correct with the transmitted power that reduces reduces continuously.This process is carried out continuously.Preferably, the voltage disturbance Δ U2 that proofreaies and correct with the transmitted power that reduces is reduced to specific predetermined threshold voltage disturbance value always, predetermined indirectly by this base station when it for example need minimum transmit power in the base station, threshold voltages U_Burst is predetermined by the circuit element that all should be arranged in the mobile communication transmitting apparatus.Preferably, mobile communication equipment just cuts out when voltage disturbance Δ U2 drops under the predetermined threshold value voltage disturbance.For example, this threshold voltage disturbance that is associated with the certain threshold level transmitted power can be predetermined by the base station that needs the predetermined threshold transmitted power under the minimum transmit power implication.
Two change procedures by Fig. 1 a and 1b more as can be seen, have and obviously can launch longlyer according to the mobile communication transmitting apparatus of the power adjustments of the execution mode of the inventive method.The capacity of rechargeable battery has obtained better utilization.
Fig. 2 shows the schematic diagram of the execution mode of circuit of the present invention.Rechargeable battery 1 is shown.Rechargeable battery 1 is connected with inspection unit 2 with control by connecting a.This control is connected with receiving element 3 with transmission by being connected b again with inspection unit 2, and is connected with power amplifier 4 by connecting c.By control and the be connected a of inspection unit 2 with rechargeable battery 1, control and inspection unit 2 obtain can be for the rechargeable battery voltage that utilizes about current difference.By connecting b, control and inspection unit 2 obtain about minimum or threshold value transmitted power by the base station requirement.In control and inspection unit 2, determine that according to the present invention which transmitted power (being associated with the voltage disturbance of proofreading and correct with this transmitted power) should realize on power amplifier 4.The controller indication in other words of this information is delivered to power amplifier 4 by connecting c, and the latter realizes corresponding transmitted power according to this control indication.In addition, the baseband controller is set also, wherein preferably integrated control and inspection unit 2.Except described element, also has reception amplifier 5, the signal that promptly so-called low noise amplifier is used to import.
Claims (7)
1. method of regulating power for the mobile communication transmitting apparatus, this communication transmitting apparatus comprises the rechargeable battery (1) and the power amplifier (4) of the rechargeable battery voltage with the time of depending on, wherein,
-before control and inspection unit (2) send signal, determine this rechargeable battery voltage, and with the upper threshold voltage U_nenn that is scheduled to
*Compare,
If-rechargeable battery voltage is greater than upper threshold voltage U_nenn
*, then under the condition that produces a voltage disturbance Δ U1 that predetermined transmitted power is proofreaied and correct with this, send this signal with predetermined transmitted power,
If-rechargeable battery voltage is less than or equal to this upper threshold voltage U_nenn
*Then under the condition of the voltage disturbance Δ U2 that produces the transmitted power correction that reduces with this, send this signal with the transmitted power that reduces, wherein select this transmitted power that reduces like this, make rechargeable battery voltage after having deducted the voltage disturbance Δ U2 that proofreaies and correct with the transmitted power that reduces more than or equal to the threshold voltages U_Burst that is scheduled to.
2. method according to claim 1 is characterized in that, if voltage disturbance Δ U2 is equal to or less than the predetermined threshold value voltage disturbance, then closes the mobile communication transmitting apparatus.
3. method according to claim 2 is characterized in that, described threshold voltage disturbance and predetermined by the base station with the threshold value transmitted power of this threshold voltage disturbance correction.
4. according to claim 1,2 or 3 described methods, it is characterized in that described threshold voltages U_Burst is predetermined by described control and inspection unit (2).
5. circuit that is used to the mobile communication transmitting apparatus to regulate power comprises following element at least:
-have a rechargeable battery (1) of the rechargeable battery voltage of the time of depending on,
-be used for wireless receiving and send the reception and the transmitting element (3) of signal,
-be used to adjust the power amplifier (4) of the transmitted power of signal to be sent,
-baseband controller,
-control and inspection unit (2), wherein should control be connected with rechargeable battery (1) with inquiry rechargeable battery voltage with inspection unit (2), be connected minimum transmit power with search request with transmitting element (3) with reception, also being connected with power amplifier (4) can be by control and the definite transmitted power of inspection unit to adjust.
6. circuit according to claim 5 is characterized in that, described control and inspection unit (2) are integrated in baseband controller or reception and the transmitting element (3).
7. mobile communication equipment that has according to claim 5 or 6 described, integrated circuit.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10304200A DE10304200A1 (en) | 2003-01-29 | 2003-01-29 | Power control method for a mobile communication terminal |
DE10304200.8 | 2003-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1745515A true CN1745515A (en) | 2006-03-08 |
Family
ID=32730699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2004800032083A Pending CN1745515A (en) | 2003-01-29 | 2004-01-29 | Method for controlling power for a mobile communications terminal |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1588486A2 (en) |
JP (1) | JP2006515976A (en) |
KR (1) | KR20050095913A (en) |
CN (1) | CN1745515A (en) |
DE (1) | DE10304200A1 (en) |
WO (1) | WO2004068704A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10517577B2 (en) | 2006-12-13 | 2019-12-31 | Devicor Medical Products, Inc. | Presentation of biopsy sample by biopsy device |
CN111642000A (en) * | 2020-05-27 | 2020-09-08 | 广东小天才科技有限公司 | Data transmission method and device, electronic equipment and computer readable storage medium |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8224270B2 (en) * | 2006-12-06 | 2012-07-17 | Broadcom Corporation | Method and system for optimizing transmit power of a power amplifier using a battery voltage (Vbat) monitor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2506602Y2 (en) * | 1990-05-31 | 1996-08-14 | ソニー株式会社 | Transmitter |
JP2570643B2 (en) * | 1994-12-22 | 1997-01-08 | 日本電気株式会社 | Power supply control method and apparatus for mobile radio telephone terminal |
EP0735690B1 (en) * | 1995-03-29 | 2005-06-15 | Siemens Aktiengesellschaft | Method for controlling power of radio apparatuses |
DE10002523A1 (en) * | 2000-01-21 | 2001-08-02 | Infineon Technologies Ag | Circuit arrangement for regulating the transmission power of a battery-operated radio |
DE10048346A1 (en) * | 2000-09-29 | 2002-05-02 | Siemens Ag | Mobile telecommunications unit switches into emergency mode with restricted scope including ability to conduct data exchange when accumulator charge below residual level |
GB2375922A (en) * | 2001-05-22 | 2002-11-27 | Ubinetics Ltd | Reducing transmission power in response to a detected decrease in available battery power |
-
2003
- 2003-01-29 DE DE10304200A patent/DE10304200A1/en not_active Ceased
-
2004
- 2004-01-29 KR KR1020057014013A patent/KR20050095913A/en not_active Application Discontinuation
- 2004-01-29 JP JP2006501484A patent/JP2006515976A/en active Pending
- 2004-01-29 EP EP04706128A patent/EP1588486A2/en not_active Withdrawn
- 2004-01-29 WO PCT/DE2004/000168 patent/WO2004068704A2/en active Application Filing
- 2004-01-29 CN CNA2004800032083A patent/CN1745515A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10517577B2 (en) | 2006-12-13 | 2019-12-31 | Devicor Medical Products, Inc. | Presentation of biopsy sample by biopsy device |
US10905403B2 (en) | 2006-12-13 | 2021-02-02 | Devicor Medical Products, Inc. | Presentation of biopsy sample by biopsy device |
CN111642000A (en) * | 2020-05-27 | 2020-09-08 | 广东小天才科技有限公司 | Data transmission method and device, electronic equipment and computer readable storage medium |
Also Published As
Publication number | Publication date |
---|---|
KR20050095913A (en) | 2005-10-04 |
EP1588486A2 (en) | 2005-10-26 |
WO2004068704A2 (en) | 2004-08-12 |
WO2004068704A3 (en) | 2004-12-16 |
DE10304200A1 (en) | 2004-08-19 |
JP2006515976A (en) | 2006-06-08 |
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