CN1964210A - Mobile communication terminal and power calculation method for the same - Google Patents
Mobile communication terminal and power calculation method for the same Download PDFInfo
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- CN1964210A CN1964210A CNA2006101382808A CN200610138280A CN1964210A CN 1964210 A CN1964210 A CN 1964210A CN A2006101382808 A CNA2006101382808 A CN A2006101382808A CN 200610138280 A CN200610138280 A CN 200610138280A CN 1964210 A CN1964210 A CN 1964210A
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- communication terminal
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- 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
- H04B1/44—Transmit/receive switching
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- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/104—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof of other parameters, e.g. DC offset, delay or propagation times
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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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a mobile communication terminal and power calculation method for the same. The terminal includes: an antenna; a signal processing part for separating the sending and receiving paths of the signals sent/received by the antenna and processing the sent/received signals; a power detecting part for detecting the signal value in at least two points of the signal processing part, computing the sending/receiving power. The present invention detects the signal value in at least two points of the signal sending or receiving path of the mobile communication terminal, and computes the sending or receiving power of the mobile communication terminal, thereby having the effect of preventing the error generated because of the reflection of signal and etc. factors when computing the sending or receiving power of the mobile communication terminal.
Description
Technical field
The present invention relates to mobile communication terminal and power calculation method thereof, the mobile communication terminal and the power calculation method thereof that can minimum error when especially relating to the power that detects the signal that mobile communication terminal sends and calculating power output one transmitted power take place.
Background technology
Mobile communication terminal receives wireless signal by antenna transmission, and with outside transmitting and receiving data or call function is provided, mobile communication terminal comprises as shown in Figure 1: antenna 1, separate the duplexer 2 of the transfer path of the signal by above-mentioned antenna transmission reception.
At this moment, when mobile communication terminal sends signal to the outside, detect the power of transmit path, thereby calculate the power output-transmitted power of mobile communication terminal.
Promptly, calculate transmitted power when illustrating mobile communication terminal transmission signal with reference to Fig. 1, mobile communication terminal is in the enlarging section 3 of amplifying the signal that sends to the outside, element-high power the detector 4 (HDET:HIGH POWERDETECTOR) of detection power is set, by the power calculation transmitted power of above-mentioned HDET4 detection between the duplexer 2 of the transmit receive path of separation transmission received signal.
That is, the mobile communication terminal control part detects its size by the minimum part that above-mentioned HDET4 extracts the power of the circuit transmission of delivering letters out, and above-mentioned detected value adds the compensating value that obtains by computational process, calculates the actual size that the circuit of delivering letters transmits.
At this moment, the HDET4 that detects the watt level of above-mentioned transmission signal is arranged on between illustrated above-mentioned enlarging section 3 of solid line and the above-mentioned duplexer 2, or between illustrated above-mentioned duplexer 2 of with dashed lines and the antenna 1.
But, existing mobile communication terminal is by a point on the circuit that value is with above-mentioned HDET4 is connected of above-mentioned HDET4 detection, be the proportional value of the envelope that voltage waveform had (envelope) on the induction point, above-mentioned envelope is formed by forward power that proceeds to antenna 1 from above-mentioned enlarging section 3 and the closing of reverse power that reflects.
Therefore, the actual forward power that outputs to above-mentioned antenna 1 can't correctly detect, and has the error of reverse power size.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mobile communication terminal and power calculation method thereof, when calculating the transmitted power of mobile communication terminal, prevent on the transmission lines of mobile communication terminal the error of the input that the reflection owing to signal takes place.
Mobile communication terminal of the present invention comprises: antenna; Separate the transmission of the signal that receives by above-mentioned antenna transmission and the signal processing part of RX path and processing transmission and received signal; Plural at least point at above-mentioned signal processing part detects signal magnitude, calculates the power detection portion of transmission or received power.
Mobile communication terminal of the present invention comprises: antenna; Separate the transmission of the signal that receives by above-mentioned antenna transmission and the signal processing part of RX path and processing transmission and received signal; Plural at least point between above-mentioned antenna and signal processing part detects signal magnitude, calculates the power detection portion of transmission or received power.
Mobile communication terminal of the present invention comprises: antenna, handle the signal processing part of the signal that receives by above-mentioned antenna transmission, by above-mentioned signal processing part when the above-mentioned antenna transmission signal or above-mentioned signal processing part during by above-mentioned antenna receiving signal, calculate the power detection portion of transmitted power or received power, wherein, signal magnitude detects at the point more than at least two of the transfer path of above-mentioned transmission signal or received signal in above-mentioned power detection portion, calculates transmitted power or received power.
The power calculation method of mobile communication terminal of the present invention comprises: at the first step of the power of some detection of transmitted signals more than at least two of the signal transmission path of mobile communication terminal; Utilize second step of the power calculation transmitted power of above-mentioned first step detection.
Adopt mobile communication terminal of the present invention and power calculation method thereof, detect the size of signal at the point more than at least two in the path of passing through the mobile communication terminal transmitt or receive signal, and calculate the transmitted power or the received power of mobile communication terminal based on this, the error that takes place owing to the reasons such as reflection of signal when preventing to calculate the transmitted power of mobile communication terminal or received power.
Description of drawings
Fig. 1 is the internal structure schematic diagram of existing mobile communication terminal;
Fig. 2 is the internal structure schematic diagram of first embodiment of mobile communication terminal of the present invention;
Fig. 3 is the internal structure schematic diagram of second embodiment of mobile communication terminal of the present invention;
Fig. 4 is the internal structure schematic diagram of the 3rd embodiment of mobile communication terminal of the present invention.
Wherein, Reference numeral:
10,40,70: antenna 20,50,80: signal processing part
30,60,90: power detection portion
Embodiment
Below, preferred embodiment that present invention will be described in detail with reference to the accompanying.
First embodiment of mobile communication terminal of the present invention as shown in Figure 2, comprise: with the antenna 10 of outside transmission receiving radio data, separate the transfer path of the transmission received signal of above-mentioned antenna 10 and mobile communication terminal and also handle the signal processing part 20 that sends received signal, two points that detect in the above-mentioned signal processing part 20 detect signal magnitude one power, and calculate the transmitted power of mobile communication terminal or the power detection portion 30 of received power.
At this moment, above-mentioned antenna 10 is made of the multiband aerial 10 that receives multi-band signal as required, at this moment, has above-mentioned signal processing part 20 more than at least for handling multi-band signal.
In addition, above-mentioned signal processing part 20 as shown in Figure 2 amplifies the amplifier 22 of the signal magnitude that transmits by above-mentioned antenna 10 by separating the duplexer 21 that sends the signal transmission path that receives by above-mentioned antenna 10.
In addition, above-mentioned power detection portion 30 has the minimum part of extracting the power that the circuit of delivering letters transmits out, detects its size, adds the HDET31 of the size of the actual power that computational scheme transmits with above-mentioned detected value with by the compensating value that computational process obtains.
At this moment, the HDET31 of above-mentioned power detection portion 30 as shown in the figure is connected to above-mentioned duplexer 21 by resistance R 31, resistance R 32 and closes and state 2 points between the amplifier 22, detects the actual power size that the above-mentioned circuit of delivering letters transmits.In order not hinder the power on the circuit of delivering letters to transmit, the size of above-mentioned resistance R 31, resistance R 32 should be enough big, but also variable as required.
In addition, above-mentioned resistance R 31, resistance R 32 interval D 30 between above-mentioned duplexer 21 and amplifier 22 is 1/4 of the power waveform that transmits by the above-mentioned circuit of delivering letters.Because, have the forward power that transmits to above-mentioned duplexer 21 from above-mentioned amplifier 22 on the above-mentioned circuit of delivering letters and from the contrary reverse power that transmits of above-mentioned antenna 10 reflections when when delivering letters the circuit delivering power.
That is to say, for power forward, when sending above-mentioned HDET31 element by above-mentioned first resistance R 31 to or sending above-mentioned HDET31 to by above-mentioned second resistance R 32, all mobile phase with distance, and form same-phase, can detect.
But for reverse power, by the A path send the power of above-mentioned HDET31 to or the power that transmits by above-mentioned HDET31 between the corresponding range difference of 1/2 distance of wavelength can take place.That is,, form reverse power and cancel out each other by the power of a path transmission with by between the power of b path transmission 180 phase differences of spending taking place.
Thereby above-mentioned HDET31 can only detect forward power.
Fig. 3 is the internal structure schematic diagram of second embodiment of mobile communication terminal of the present invention.As shown in the figure, mobile communication terminal of the present invention comprises: with the antenna 40 of outside transmission receiving radio data, separate the transmit receive path of the signal that receives by antenna 40 transmissions and also handle the signal processing part 50 that sends received signal; The power at least two somes detection transmission lines between above-mentioned antenna 40 and the signal processing part 50 and the power detection portion 60 of detection transmission or received power.
Below, the situation of the detection transmitted power of second embodiment is described, the signal processing part 50 and first embodiment of mobile communication terminal are similar, by the amplifier 52 that amplify to send signal, separate duplexer 51 formations of the transfer path of the received signal that above-mentioned amplifier 52 amplified transmission signal promptly receive by above-mentioned antenna 40.
In addition, above-mentioned power detection portion 60 constitutes by connecting the HDET61 element that resistance R 61, resistance R 62 between above-mentioned duplexer 51 and the above-mentioned antenna 40 and be connected with above-mentioned resistance R 61, resistance R 62 and detect the power on the above-mentioned transmission lines as shown in the figure.
At this moment, be separated by on the above-mentioned transmission lines distance D 60 of appointment of above-mentioned resistance R 61, resistance R 62 connects, and above-mentioned distance is equivalent to 1/4 of the power waveform that will detect on the above-mentioned transmission lines.
Thereby second embodiment catches up with also that to state first embodiment the same, can only detect forward power.Because when detecting forward power, no matter be to be sent to above-mentioned HDET61 element, still be sent to above-mentioned HDET61 element by second resistance R 62 by first resistance R 61, all be sent to the HDET61 element by identical distance, error can not take place in its phase place.
But, when detecting reverse power, be sent to the power of above-mentioned HDET61 and be sent to by the b path between the power of above-mentioned HDET61 by a path 180 degree phase differences can take place, therefore on above-mentioned HDET61, cancel out each other, thereby can't detect.
Fig. 4 is the internal structure schematic diagram of the 3rd embodiment of mobile communication terminal of the present invention.
As shown in the figure, mobile communication terminal support of the present invention is according to the call function of multiband radio signal, and it comprises: multiband antenna 70; The signal processing part 80 that will separate and separate its transmit receive path and handle by each wave band by the wireless signal that above-mentioned multiband antenna 70 receives; Between above-mentioned multiband antenna 70 and above-mentioned signal processing part 80 and the some detection power in the above-mentioned signal processing part 80 and calculate the power detection portion 90 of transmission or received power.
Below, according to the method that detects transmitted power mobile communication terminal of the present invention is described.
Above-mentioned signal processing part 80 comprises as shown in the figure: multiband is sent first duplexer 81 that signal separates by each wave band; Separate second duplexer 82, the 3rd duplexer 83 of transmit receive path of press the signal of wave band separation by above-mentioned first duplexer 81; The transmission signal that the amplification mobile communication terminal will transmit and the amplifier 84, the amplifier 85 that transmit to above-mentioned second duplexer 82, the 3rd duplexer 83.
In addition, above-mentioned power detection portion 90 comprises: first resistance R 91 that connects between above-mentioned multiband antenna 70 and above-mentioned first duplexer; Second resistance R 92 that connects between above-mentioned first duplexer 81 and second duplexer 82; The 3rd resistance R 93 that connects between above-mentioned first duplexer 81 and the 3rd duplexer 83; By above-mentioned each resistance R 91, R92, R93 detection power and calculate the HDET91 element of transmitted power.
At this moment, the same 1/4 of the power waveform that will detect that is equivalent to of the distance D 92 between distance D 91 between above-mentioned first resistance R 91 and above-mentioned second resistance R 92 and above-mentioned first resistance R 91 and above-mentioned the 3rd resistance R 93 with the foregoing description.
Thereby if the power waveform of the signal that above-mentioned second duplexer 82 and amplifier 84 send is λ 1, the distance D 91 between above-mentioned first resistance R 91 and second resistance R 92 is equivalent to λ 1/4.
Equally, if the power waveform of the signal that above-mentioned the 3rd duplexer 83 and amplifier 85 send is λ 2, the distance D 92 between above-mentioned first resistance R 91 and the 3rd resistance R 93 is equivalent to λ 2/4.
Thereby above-mentioned HDET91 element is not subjected to the influence by the signal of above-mentioned antenna 70 reflections, only detects the forward size of power.
Therefore, when mobile communication terminal of the present invention detects transmitted power, at first detect the watt level of the signal that sends, at this moment, in the size of 2 detection power of the signal transmission path of mobile communication terminal, the distance between its 2 is 1/4 of the power wavelength that will detect.
With reference to the power of above-mentioned detection, mobile communication terminal is not subjected to the interfere with or compromise of the reverse signal of coming by antenna-reflected, calculates power output.
The effect of invention:
Aforesaid mobile communication terminal of the present invention and power calculation method thereof detect the size of signal at the point more than at least two in the path of passing through the mobile communication terminal transmitt or receive signal, and calculate the transmitted power or the received power of mobile communication terminal based on this, the error that takes place owing to the reasons such as reflection of signal when preventing to calculate the transmitted power of mobile communication terminal or received power.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (12)
1. a mobile communication terminal is characterized in that, comprising: antenna; Separate the transmission of the signal that receives by above-mentioned antenna transmission and the signal processing part of RX path and processing transmission and received signal; Plural at least point at above-mentioned signal processing part detects signal magnitude, calculates the power detection portion of transmission or received power.
2. mobile communication terminal according to claim 1 is characterized in that, above-mentioned signal processing part comprises, amplifies the enlarging section of the signal of mobile communication terminal transmission; The duplexer of the transfer path of the signal that separates above-mentioned enlarging section amplified transmission signal and receive by above-mentioned antenna.
3. mobile communication terminal according to claim 2 is characterized in that, above-mentioned power detection portion detects 2 power between above-mentioned enlarging section and the above-mentioned duplexer and detects transmitted power.
4. mobile communication terminal according to claim 3 is characterized in that, is 1/4 of the power wavelength that will detect at 2 range differences of above-mentioned power detection portion detection power.
5. a mobile communication terminal is characterized in that, comprising: antenna; Separate the transmission of the signal that receives by above-mentioned antenna transmission and the signal processing part of RX path and processing transmission and received signal; Plural at least point between above-mentioned antenna and signal processing part detects signal magnitude, calculates the power detection portion of transmission or received power.
6. mobile communication terminal according to claim 5 is characterized in that, above-mentioned signal processing part comprises: the enlarging section of amplifying the signal of mobile communication terminal transmission; The duplexer of the transfer path of the signal that separates above-mentioned enlarging section amplified transmission signal and receive by above-mentioned antenna.
7. mobile communication terminal according to claim 5 is characterized in that, is 1/4 of the power wavelength that will detect at 2 range differences of above-mentioned power detection portion detection power.
8. mobile communication terminal according to claim 5 is characterized in that, when above-mentioned mobile communication terminal was the multi-frequency band mobile communication terminal, above-mentioned mobile communication terminal comprised two above signal processing parts, by each wave band processing signals.
9. mobile communication terminal, comprise: antenna, handle the signal processing part of the signal that receives by above-mentioned antenna transmission, by above-mentioned signal processing part when the above-mentioned antenna transmission signal or above-mentioned signal processing part during by above-mentioned antenna receiving signal, calculate the power detection portion of transmitted power or received power, wherein, signal magnitude detects at the point more than at least two of the transfer path of above-mentioned transmission signal or received signal in above-mentioned power detection portion, calculates transmitted power or received power.
10. mobile communication terminal according to claim 9 is characterized in that, 2 range difference by above-mentioned power detection portion detection signal size is 1/4 of the power wavelength that will detect.
11. the power calculation method of a mobile communication terminal is characterized in that, comprising: at the first step of the power of some detection of transmitted signals more than at least two of the signal transmission path of mobile communication terminal; Utilize second step of the power calculation transmitted power of above-mentioned first step detection.
12. mobile communication terminal according to claim 11 is characterized in that, 2 range difference of above-mentioned first step detection power is 1/4 of the power wavelength that will detect.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050107711A KR100680211B1 (en) | 2005-11-10 | 2005-11-10 | Mobile communication terminal and power calculation method for the same |
| KR1020050107711 | 2005-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1964210A true CN1964210A (en) | 2007-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101382808A Pending CN1964210A (en) | 2005-11-10 | 2006-11-10 | Mobile communication terminal and power calculation method for the same |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100680211B1 (en) |
| CN (1) | CN1964210A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220073496A (en) * | 2020-11-26 | 2022-06-03 | 삼성전자주식회사 | Apparatus and method for measuring strengh of signal |
-
2005
- 2005-11-10 KR KR1020050107711A patent/KR100680211B1/en not_active IP Right Cessation
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2006
- 2006-11-10 CN CNA2006101382808A patent/CN1964210A/en active Pending
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| Publication number | Publication date |
|---|---|
| KR100680211B1 (en) | 2007-02-08 |
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