CN101094016A - Wireless communication device, and temperature compensation method - Google Patents
Wireless communication device, and temperature compensation method Download PDFInfo
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- CN101094016A CN101094016A CN 200610086478 CN200610086478A CN101094016A CN 101094016 A CN101094016 A CN 101094016A CN 200610086478 CN200610086478 CN 200610086478 CN 200610086478 A CN200610086478 A CN 200610086478A CN 101094016 A CN101094016 A CN 101094016A
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Abstract
The method includes following steps: providing operational power supply (OPS) for wireless communication device (WCD); detecting temperature of wireless communication device; based on temperature to determine function of output power on OPS; based on the said function and a wireless rated output power of WCD to adjust OPS.
Description
Technical field
The invention relates to a kind of power saving of wireless communication apparatus and the method and apparatus of raising the efficiency, and particularly relevant for a kind of wireless communication apparatus and temperature compensation and device.
Background technology
In 21 century, the great change that we can experience is exactly the prosperity of wireless telecommunications, and by the result by the wireless communication technique infinite expanding, communication is convenient in action to allow people.In the past in the many decades, because under the positive development of very large scale integration technology, make that wireless telecommunications (wire1ess communication) are existing uses widely.For example, no matter the existing wireless telephonic Portable assembly of producing is on price, size, has reached popular acceptable degree all.
Fig. 1 is the primary clustering circuit block diagram of existing wireless communication apparatus.Please refer to Fig. 1, it comprises transmission receiver 101, power amplifier 102, antenna 103 and power supply unit 104.Wherein power supply unit 104 is in order to supply supply voltage VPA and the TOLCV that transmits receiver 101 and power amplifier 102 respectively.Fig. 2 illustrate into above-mentioned supply voltage VPA and TOLCV at normal temperatures in the relation of each section.Wherein each section is represented the size of wireless power output respectively.For example on behalf of power output, the 1st section represent power output to represent power output at 80～100dbm at 9～11dbm, N section at 0～9dbm, the 2nd section.
Have now when the supply voltage (VPA and TOLCV) of design wireless communication apparatus, can be earlier according to this wireless communication apparatus at the specified wireless power output of rules defined 10dbm ± 1dbm for example, and according to above-mentioned table, control supply voltage (VPA and TOLCV), wherein the magnitude of voltage of TOLCV can be along with transmitting the digital data value change that receiver 101 is received, and the magnitude of voltage of VPA can be according to the relation of Fig. 2, along with the magnitude of voltage change of TOLCV.In general voltage is designed in the centre of section, just can make wireless power output drop on for example 10dbm ± 1dbm.In general, when wireless power output is lower than specified wireless output power range, the signal of wireless communication apparatus can't send out, when wireless power output is higher than specified wireless output power range, the signal of wireless communication apparatus will disturb other communication channel, so various countries all can make very strict standard to wireless output power range.
Yet, when temperature change, for example ambient temperature rises, make wireless power output descend, ambient temperature descends, and makes wireless power output rise, and above-mentioned two kinds of situations cause wireless communication apparatus can't pass through the authentication of each country probably, what is more, causing probably can't communication or interfere with the channel of other communication.
Summary of the invention
Purpose of the present invention is exactly in that a kind of temperature compensation of wireless communication apparatus is provided, and in order to the temperature according to this wireless communication apparatus, provides suitable power supply, in order to avoid wireless communication apparatus interferes with the channel of other communication.
A further object of the present invention provides a kind of wireless communication apparatus, in order to save power consumption.
Another purpose of the present invention provides a kind of temperature compensation means of wireless communication apparatus, increases the circuit operational paradigm.
The present invention proposes a kind of temperature compensation of wireless communication apparatus, and the method comprises the following steps: to provide the wireless communication apparatus working power; Detect the temperature of wireless communication apparatus; According to the function of temperature decision working power to power output; To the function of wireless power output and a wireless rated output power of wireless communication apparatus, adjust working power according to power supply.
According to the temperature compensation of the described wireless communication apparatus of preferred embodiment of the present invention, above-mentioned wireless communication apparatus comprises transmission receiver and power amplifier, and in an embodiment, working power is one first voltage and second voltage.
The present invention proposes a kind of temperature compensation means of wireless communication apparatus, and in order to a wireless transceiver is done temperature-compensating, this temperature compensation means comprises temperature sensor, control circuit and can adjust power supply unit.Temperature sensor is temperature signal in order to detect the temperature of this transceiver with this temperature transition.Control circuit receives temperature signal, according to the function of temperature signal decision working power to power output.Can adjust power supply unit according to function and the wireless rated output power of working power to power output, the supply working power is given wireless transceiver.
According to the temperature compensation means of the described wireless communication apparatus of preferred embodiment of the present invention, above-mentioned wireless transceiver comprises transmission receiver and power amplifier.The transmission receiver couples can adjust power supply unit, in order to receive first voltage of working power.Power amplifier couples and transmits receiver and can adjust power supply unit, in order to receive second voltage of working power.In addition in an embodiment, wireless transceiver also comprises antenna.
The present invention proposes a kind of wireless communication apparatus, and this device comprises wireless transceiver, temperature sensor, control circuit and can adjust power supply unit.Temperature sensor is temperature signal in order to detect the temperature of transceiver with temperature transition.Control circuit receives temperature signal, according to the function of temperature signal decision working power to power output.Can adjust power supply unit according to function and the wireless rated output power of working power to power output, the supply working power is given wireless transceiver.
According to the described wireless communication apparatus of preferred embodiment of the present invention, above-mentioned wireless transceiver comprises transmission receiver and power amplifier.The transmission receiver couples can adjust power supply unit, in order to receive first voltage of working power.Power amplifier couples and transmits receiver and can adjust power supply unit, in order to receive second voltage of working power.In addition in an embodiment, wireless transceiver also comprises antenna.
The present invention is because of adopting according to the function of temperature decision working power to power output, and according to power supply to the function of wireless power output and the wireless rated output power of wireless communication apparatus, adjust working power, and because offer the suitable power supply of circuit, therefore can operate specified wireless power output except circuit, further can save the power consumption of circuit, increase the operating efficiency of circuit.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the primary clustering circuit block diagram of existing wireless communication apparatus;
Fig. 2 illustrate into above-mentioned supply voltage VPA and TOLCV at normal temperatures in the relation of each section;
Fig. 3 illustrates the circuit block diagram into the wireless communication apparatus of the embodiment of the invention;
Fig. 4 illustrates the temperature compensation flow chart into the embodiment of the invention;
Fig. 5 illustrates the circuit block diagram that comprises the temperature compensation means of the embodiment of the invention for the wireless communication apparatus of the embodiment of the invention;
Fig. 6 illustrates and is temperature and the power supply graph of a relation to the function of power output;
Fig. 7 illustrates the temperature compensation flow chart into the embodiment of the invention.
[primary clustering symbol description]
101,501: transmit receiver
102,502: power amplifier
103,503: antenna
104: power supply unit
31: wireless transceiver
32: temperature compensation means
301: temperature sensor
302: control circuit
303: can adjust power supply unit
401～404,701～706: the step of the embodiment of the invention
Temp1: the power supply during normal temperature (20～30 degree) is to the function of power output
Temp2: the power supply during high temperature temperature (40～60 degree) is to the function of power output
TOLCV, VPA: first, second supply voltage
Embodiment
Because in the prior art, wireless communication apparatus is because variation of temperature causes the drift of wireless power output, and in the prior art, the numerical data that only terminates in sending out changes TOLCV and VPA two voltages, when ambient temperature changed, just easily generation can't communication or is interfered with the channel situation of other communication, so the present invention proposes wireless communication apparatus and temperature compensation means and method, in order to improving the problems referred to above, and reduce power consumption and increase the operational paradigm of circuit.
Fig. 3 illustrates the circuit block diagram into the wireless communication apparatus of the embodiment of the invention.Please refer to Fig. 3, this wireless communication apparatus comprises the temperature compensation means 32 of the wireless transceiver 31 and the embodiment of the invention.Temperature compensation means 32 comprises temperature sensor 301, control circuit 302 and can adjust power supply unit 303.Temperature sensor 301 is in order to detecting the temperature of wireless transceiver 31, and is temperature signal with temperature transition.Control circuit 302 receives temperature signal, and according to the function of temperature signal decision working power to power output.Can adjust power supply unit 303 according to function and the wireless rated output power of working power to power output, the supply working power is given wireless transceiver.
Fig. 4 illustrates the temperature compensation flow chart into the embodiment of the invention.Please refer to Fig. 4,,, the process step of Fig. 4 embodiment temperature compensation of the present invention is described with the device of Fig. 3 at this for spirit of the present invention is described.Please also refer to Fig. 3 and Fig. 4, at first, provide wireless communication apparatus working power (step 401).Next utilize temperature sensor 301 to detect the temperature (step 402) of for example above-mentioned wireless transceiver 31 of wireless communication apparatus.According to the function (step 403) of temperature decision working power to power output.At last, to the function of power output and the wireless rated output power of wireless communication apparatus, adjust working power (step 404) according to working power.
What deserves to be mentioned is, though wireless communication apparatus and temperature compensation and device have been depicted a possible kenel in the foregoing description, but knowing this operator should know, each manufacturer is all different for the design of control circuit 302, and therefore application of the present invention is when being not restricted to the possible kenel of this kind.In other words, so long as control circuit 302 is according to the function of temperature decision working power to power output, and to the function of power output and the wireless rated output power of wireless communication apparatus, adjusting working power according to power supply, has been to have met spiritual place of the present invention just.
Next will enumerate several embodiment so that present technique field person can implement the present invention easily.
Fig. 5 illustrates the temperature compensation means circuit block diagram that comprises the embodiment of the invention for the wireless communication apparatus of the embodiment of the invention.Please refer to Fig. 5, wherein, wireless transceiver 31 is implemented to transmit receiver 501, power amplifier 502 and antenna 503.Transmit the first voltage TOLCV and the second voltage VPA that receiver 501 and power amplifier 502 receive working power respectively.Then please refer to Fig. 6, Fig. 6 illustrates and is temperature and the power supply graph of a relation to the function of power output, and corresponding to Fig. 2, transverse axis is TOLCV, and the longitudinal axis is VPA.According to Fig. 6 as can be seen, considering under the situation of optimal power consumption, when temperature changed, the relation of TOLCV and VPA should be along with temperature change.Power supply when for example the temp1 of Fig. 6 represents normal temperature (20～30 degree) is to the function of power output, and the power supply when temp2 represents high temperature temperature (40～60 degree) is to the function of power output.
Therefore, above-mentioned temperature sensor 301 sensings transmit the temperature of receiver 501 and power amplifier 502, and temperature signal is passed to control circuit 302.Control circuit 302 calculates function (for example translation computing of Fig. 6 of working power to power output according to temperature signal, yet Fig. 6 is only in order to explain embodiment, should know that the present invention still can be with temperature signal as variable, function is stored among the look-up table Look-Up Table, and exports the way of this function according to temperature signal).Next can adjust power supply unit 303 according to the function and the wireless rated output power of working power to power output, and according to for example mode of existing Fig. 1, according to transmitting the digital data value that receiver 501 is received, supply TOLCV and VPA voltage respectively and give transmission receiver 501 and power amplifier 502.
Fig. 7 illustrates the temperature compensation flow chart into the embodiment of the invention.Please refer to Fig. 7,, the process step of Fig. 7 embodiment temperature compensation of the present invention is described with the device of Fig. 5 at this.Provide at first, respectively and transmit receiver 501 and power amplifier 502 first voltage TOLCV and the second voltage VPA to control circuit 302 (step 701).Next step judges whether the temperature of above-mentioned wireless communication apparatus changes (step 702), when temperature-resistant, does not change the relation (step 703) of first voltage and second voltage; When temperature change, according to the function (step 704) of temperature decision working power to power output.Find out wireless rated output power at the preset range of working power to the function of power output, for example mobile phone operation then must be operated at this working power to 9～11dbm interval (step 705) in the function of power output at 10dbm ± 1dbm.At last, according to this preset range, control can be adjusted the first voltage TOLCV and the second voltage VPA (step 706) that power supply unit is exported.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (10)
1. the temperature compensation of a wireless communication apparatus is characterized in that comprising:
Detect a temperature of this wireless communication apparatus;
Determine the function of a working power according to this temperature to power output; And
To the function of power output and a wireless rated output power of this wireless communication apparatus, dynamically adjust this working power according to this working power.
2. the temperature compensation of wireless communication apparatus as claimed in claim 1 is characterized in that, described this working power is a voltage.
3. the temperature compensation of wireless communication apparatus as claimed in claim 1 is characterized in that, provides the step of this this working power of wireless communication apparatus more to comprise:
Can adjust one first voltage and one second voltage that power supply unit is supplied a transmission receiver and a power amplifier respectively with one.
4. the temperature compensation of wireless communication apparatus as claimed in claim 3 is characterized in that, to the function of power output and this wireless rated output power of this wireless communication apparatus, the step of dynamically adjusting this working power comprises according to this working power:
Find out this wireless rated output power at the preset range of this working power to the function of power output; And
According to this preset range, control this and can adjust this first voltage and this second voltage that power supply unit is exported.
5. the temperature compensation means of a wireless communication apparatus in order to a wireless transceiver is done temperature-compensating, is characterized in that comprising:
One temperature sensor in order to detect a temperature of this wireless transceiver, is a temperature signal with this temperature transition;
One control circuit couples this temperature sensor, receives this temperature signal and determines the function of a working power to power output according to this temperature signal; And
One can adjust power supply unit, couples this wireless transceiver and this control circuit, according to function and the wireless rated output power of this working power to power output, supplies a working power and gives this wireless transceiver.
6. the temperature compensation means of wireless communication apparatus as claimed in claim 5 is characterized in that, described this wireless transceiver comprises:
One transmits receiver, couples this and can adjust power supply unit, in order to receive one first voltage of this working power; And
One power amplifier couples this transmission receiver and this can adjust power supply unit, in order to receive one second voltage of this working power.
7. the temperature compensation means of wireless communication apparatus as claimed in claim 6 is characterized in that, described this wireless transceiver more comprises an antenna.
8. wireless communication apparatus is characterized in that comprising:
One wireless transceiver;
One temperature sensor in order to detect a temperature of this wireless transceiver, is a temperature signal with this temperature transition;
One control circuit couples this temperature sensor, receives this temperature signal and determines the function of a working power to power output according to this temperature signal; And
One can adjust power supply unit, couples this wireless transceiver and this control circuit, according to function and the wireless rated output power of this working power to power output, supplies a working power and gives this wireless transceiver.
9. wireless communication apparatus as claimed in claim 8 is characterized in that, described this wireless transceiver comprises:
One transmits receiver, couples this and can adjust power supply unit, in order to receive one first voltage of this working power; And
One power amplifier couples this transmission receiver and this can adjust power supply unit, in order to receive one second voltage of this working power.
10. wireless communication apparatus as claimed in claim 9 is characterized in that, described this wireless transceiver more comprises an antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610086478 CN101094016A (en) | 2006-06-23 | 2006-06-23 | Wireless communication device, and temperature compensation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610086478 CN101094016A (en) | 2006-06-23 | 2006-06-23 | Wireless communication device, and temperature compensation method |
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| Publication Number | Publication Date |
|---|---|
| CN101094016A true CN101094016A (en) | 2007-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610086478 Pending CN101094016A (en) | 2006-06-23 | 2006-06-23 | Wireless communication device, and temperature compensation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8565669B2 (en) | 2008-06-02 | 2013-10-22 | Qualcomm, Incorporated | Methods and apparatus for power reduction in a transceiver |
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2006
- 2006-06-23 CN CN 200610086478 patent/CN101094016A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8565669B2 (en) | 2008-06-02 | 2013-10-22 | Qualcomm, Incorporated | Methods and apparatus for power reduction in a transceiver |
| CN102047196B (en) * | 2008-06-02 | 2015-03-04 | 高通股份有限公司 | Methods and apparatus for power reduction in a transceiver |
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Open date: 20071226 |