CN101304580A - Multi-frequency band mobile communication device - Google Patents
Multi-frequency band mobile communication device Download PDFInfo
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- CN101304580A CN101304580A CNA2008101255676A CN200810125567A CN101304580A CN 101304580 A CN101304580 A CN 101304580A CN A2008101255676 A CNA2008101255676 A CN A2008101255676A CN 200810125567 A CN200810125567 A CN 200810125567A CN 101304580 A CN101304580 A CN 101304580A
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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 invention discloses a multiband mobile communication device, comprising: a wireless signal processing circuit of a first communication system for running a plurality of the first type of frequency band signals; a wireless signal processing circuit of a second communication system for running a plurality of the second type of frequency band signals; an antenna switching module, the signals are connected with the wireless signal processing circuits of the first and the second communication systems for switching the first type of frequency band signals and a first part of frequency band signals in the second type of frequency band signals; a first antenna unit, the signals are connected with the antenna switching module; and a second antenna unit, and the signals are connected with the wireless signal processing circuit of the second communication system. The multi-band mobile communication device can reduce the signal transmission power loss generated during the frequency band switching and the signal transmission of a WCDMA system and reduce the situation of affecting the signal effectiveness performance.
Description
Technical field
The present invention relates to a kind of multi-frequency band mobile communication device, relate in particular to and a kind ofly include two communication systems and two antenna elements, an antenna element carries out the multi-frequency band mobile communication device of signal transmission to a special frequency channel with utilizing another antenna element to other frequency ranges and can utilize wherein.
Background technology
The modern mostly has and uses mobile phone (mobile phone) or be commonly called as experience as the electronic installation of mobile phone, and develop with continuous along with mobile computing science and technology and being showing improvement or progress day by day of electronic communication industry technology in recent years, no matter mobile phone is on the quality of signal transmission or on the tupe of signal operation, considerable achievement is all arranged, and bring better session services and multi-purpose operation and application for the user.
Different according to time of development communication technologies and general area, at present mobile phone institute generally the communication system of use or signal specification comprise by European countries and are worked out and develop global system for mobile communications (the Global System for Mobile Communications that, abbreviate GSM as), and the earliest by code division multiple access (Code Division Multiple Access that US military developed, abbreviate CDMA as) system etc., adapt to market in addition in addition and develop the CDMA2000 that and the third generation (3G) the CDMA upgrading standard of other models according to cdma system; Yet, because factors such as world market occupation rate and current number of users, and the conditions such as pluses and minuses of related system supporting technology, the gsm system that makes european telecommunication manufacturer be promoted has become the main flow system of present Global Mobile Phone Communications Market.
Gsm system is two kinds of different communication systems with cdma system, and the situation of distributing for the difference that is adapted to various countries' radio frequency, be to adopt on a plurality of different frequency ranges (multi-band), to carry out the signal transmission on the mode of each comfortable signal transmission (Tx) of these systems and reception (Rx), for example the common operation frequency range of gsm system has comprised 850,900,1800 and frequency range such as 1900MHz, wherein the major technology notion is to utilize an antenna handover module to come the operation frequency range of different circuit is switched, and carries out the transmission that signal sends and receives by an identical antenna element.
In the development of mobile phone communication system, gsm system is to belong to the second generation (2G) mobile communication standard that International Telecommunication Union classifies, and Wideband Code Division Multiple Access (WCDMA) (Wideband Code DivisionMultiple Access, abbreviating WCDMA as) system then develops the mobile communication standard of the third generation (3G) that for a kind of according to gsm system, and can operate on any frequency range with regard to present technology WCDMA system.Yet along with the change day by day and the progress of the mobile communication standard and the communication technology, the employed portable telephone device of user also just must be done eliminating of correspondence or upgrade.
Because WCDMA system and gsm system belong to the communication system of Europe rule in the exploitation of signal transmission, therefore can integrate mutually or support (to such an extent as to and similarly in other upgrading standards of CDMA2000 of U.S.'s rule exploitation, then on cdma system, integrate mutually or support), for instance, the part base station energy that the WCDMA system is adopted and the base station of gsm system are shared, and the manufacturing trend of Communications Market and industry also is integrated in the communication system that is represented as the two cover mobile communication standards of 2G and 3G respectively in the single device of the employed mobile phone of user at large at present, and designs these two communication systems and can carry out the signal transmission by shared same antenna element.
As shown in Figure 1, be the function block diagram of a mobile phone 100 of having integrated WCDMA system and gsm system; In mobile phone 100, one gsm wireless signal processing circuit 12 goes up each self energy with a WCDMA wireless signal treatment circuit 14 in signal transmission (Tx) and reception (Rx) and operates on a plurality of different frequency ranges, for example gsm wireless signal processing circuit 12 operates in 850/900MHz on sending, frequency ranges such as 1800/1900MHz, operate in 850 in the reception, 900,1800 or frequency range such as 1900MHz, WCDMA wireless signal treatment circuit 14 then all runs on a frequency range (Band-I is 2100MHz) sending with receiving, on No. two frequency ranges (Band-II is 1900MHz) or No. five frequency ranges (Band-V is 850MHz); One antenna handover module 11 then switches the operation frequency range of this two circuit, and the signal that makes gsm wireless signal processing circuit 12 and WCDMA wireless signal treatment circuit 14 be moved on each frequency range all can transmit by an antenna element 10.
According to the main manufacturing trend of present technology with the industry of communicating by letter, though can in single portable telephone device, integrate with operation two different communication systems and carry out the transmission and the reception of signal with adopting multiple different frequency range, but at the WCDMA system of 3G wherein, because after the signal that on band segment, the is transmitted switching through antenna handover module 11 earlier, can utilize antenna element 10 to transmit, the feasible signal power of being transmitted just can produce loss slightly or the situation of so-called insertion loss (InsertionLoss) takes place, its degree is about several decibel (Decibel, be abbreviated as dB) size, but and then can influence the usefulness performance of its signal.
In addition, another manufacturing technology is done the circuit of WCDMA system and gsm system to cut apart at present, and transmits by two different antenna elements respectively; As shown in Figure 2, in a mobile phone 200, the WCDMA signal of one antenna handover module 21 and 20 pairs of GSM signals of an antenna element and band segment transmits, and a dividing filter (frequency division filter) 22 and one antenna element 23 then transmits the WCDMA signal of band segment.But with regard to actual motion, the signal power loss situation of utilizing dividing filter 22 to be produced can be more serious, and antenna handover module 21 and dividing filter 22 pairing antenna elements 20,23 all can carry out switchover operation on a plurality of frequency ranges, so also can have influence on the transmission usefulness performance of the WCDMA signal of band segment.
Summary of the invention
The present invention is a kind of multi-frequency band mobile communication device, includes: one first communication system wireless signal treatment circuit, in order to move a plurality of first kind frequency band signals; One second communication system wireless signal processing circuit is in order to move a plurality of second class frequency band signals; One antenna handover module, signal are connected in this first and second communication system wireless signal treatment circuit, in order to the first's frequency band signals in described first kind frequency band signals and the described second class frequency band signals is switched; One first antenna element, signal is connected in the antenna handover module; And one second antenna element, signal is connected in second communication system wireless signal processing circuit.
Multi-frequency band mobile communication device of the present invention, feasible utilization wherein an antenna element and can carry out signal transmission to the special frequency channel in the WCDMA system, and utilize another antenna element that other frequency ranges of WCDMA system and gsm system are carried out the signal transmission, carrying out signal transmission power loss that is produced when frequency range is switched with the signal transmission and the situation that influences the performance of signal usefulness thereby can reduce the WCDMA system.
Description of drawings
Fig. 1 is the function block diagram of mobile phone 100.
Fig. 2 is the function block diagram of mobile phone 200.
Fig. 3 is the function block diagram of the mobile phone 300 in the preferred embodiment of the present invention.
Embodiment
See also Fig. 3, be the function block diagram of the mobile phone in the preferred embodiment of the present invention; In this preferred embodiment, mobile phone 300 is a kind of multi-frequency band mobile communication device proposed by the invention, and promptly mobile phone 300 signal that can communicate in the mode of multiband operation sends (Tx) and receives (Rx).As shown in the figure, mobile phone 300 has mainly comprised a global mobile communication (GSM) wireless signal treatment circuit 32 and Wideband Code Division Multiple Access (WCDMA) (WCDMA) wireless signal treatment circuit 34, makes mobile phone 300 just can carry out the signal transmission of GSM signal and WCDMA signal with a global mobile communication (GSM) system and a Wideband Code Division Multiple Access (WCDMA) (WCDMA) form that system was formulated.
From the above, this preferred embodiment is characterised in that, two antenna elements in mobile phone 300, have been designed, one first antenna element 30 of representing multiband aerial and one second antenna element 33 of representing the one-segment antenna have been comprised, wherein to be connected in antenna handover module 31, the second antenna elements 33 then be that direct signal is connected in WCDMA wireless signal treatment circuit 34 to first antenna element, 30 signals.
Same, after the described first kind frequency band signals that 32 of 31 pairs of gsm wireless signal processing circuits of antenna handover module can be moved switches, comprise signal by first antenna element 30 and send the transmission that receives with signal; In addition, first's frequency band signals in the described second class frequency band signals that antenna handover module 31 also can move 34 of WCDMA wireless signal treatment circuits switches, as shown in Figure 3, we design described first frequency band signals and include with the signal than No. two frequency ranges (Band-II) of low frequency and No. five frequency range frequency ranges such as (Band-V) operations in this preferred embodiment, after switching, transmit by first antenna element 30 equally via antenna handover module 31.
On the other hand, the second portion frequency band signals of WCDMA wireless signal treatment circuit 34 in the described second class frequency band signals, as shown in Figure 3, described second portion frequency band signals is the signal with a frequency range (Band-I) operation of high frequency, then directly comprising signal by second antenna element 33 sends and the transmission that receives, and must not make hand-off process via antenna handover module 31, hereat, signal in this preferred embodiment connects configuration and signal transmission form, just can effectively avoid described in the prior art when the signal on a plurality of frequency ranges of transmission WCDMA system, the transmitted signal power loss that institute can cause in via the handoff procedure of antenna handover module or insert the situation of losing.
With this embodiment, the second portion frequency band signals in the described second class frequency band signals, promptly a frequency range (Band-I) signal of high frequency is just directly transmitted by second antenna element 33; With regard to the reception of signal, because second antenna element 33 is the one-segment antenna, therefore WCDMA wireless signal treatment circuit 34 just can receive obviously and clearly signal, and with regard to the transmission aspect of signal, since not must via antenna handover module 31 this part, therefore the just more low power consuming of power supply supply of WCDMA wireless signal treatment circuit 34, and the power supply supply of low power consuming also can not have influence on the transmitted power of second antenna element 33.
So, make that the problem of loss signal power just can not take place via the switching of antenna handover module 31, thereby make the usefulness performance of the signal that on a frequency range (Band-I) of high frequency, moved, be included in total radiant power (Total Radiated Power, abbreviate TRP as) and tropism's sensitivity (Total Isotropic Sensitivity such as total, abbreviate TIS as) etc. the performance on the measurement face, the problem that can both effectively improve prior art and proposed.
And in this preferred embodiment, we design second antenna element 33 for supporting the second portion frequency band signals in the described second class frequency band signals, just only make an one-segment antenna of transmission at a frequency range (Band-I) signal, and a frequency range (Band-I) signal is with the signal of high band operation in the WCDMA system, be that its frequency range is 2100MHz, hereat, when directly utilizing the single antenna unit that frequency range is transmitted for the signal of 2100MHz, signal transmission on this frequency range just has performance preferably, and the design area that is used for the antenna element of carry high frequency section is less comparatively speaking, therefore can effectively save the space that is provided with in mobile phone 300.
Moreover, the design of the antenna handover module 31 and first antenna element 30 just need not supported the frequency range of a frequency range (Band-I) or this high frequency, and only need to get final product in order to all frequency ranges and the transmission of the signal on other frequency ranges in the WCDMA system (being Band-II and Band-V as shown in Figure 3) of supporting gsm system, and owing to do not need to support the signal transmission of another higher frequency band in design, therefore make in the switching of carrying out frequency band signals via antenna handover module 31 and follow-up transmission, also can present signal quality preferably.
In this preferred embodiment, be illustrated with mobile phone, yet a kind of multi-frequency band mobile communication device proposed by the invention also can be an intelligent mobile phone or a personal digital assistant, go up when can move out of two different communication systems when its device, just can utilize above-mentioned configuration mode to finish corresponding frequency band and carry out the purpose that signal transmits with different antenna elements.
In addition, this preferred embodiment with the frequency range (Band-I) of high frequency as illustrating of doing by second antenna element 33 of one-segment that the signal transmission uses, yet we also can design applied second portion frequency band signals and be other frequency ranges, No. two frequency ranges (Band-II) in for example described second class frequency band signals or No. five frequency ranges (Band-V), or No. three frequency ranges (Band-III) that can move of other WCDMA systems or No. four frequency ranges (Band-IV) etc., just can look when the required signal transmission of making special frequency channel had the particular requirement of optimum efficiency, and design the band support of second antenna element 33, a certain special frequency channel signal in the feasible WCDMA system that will emphasize or strengthen can obtain optimized effect.
In sum, utilize multi-frequency band mobile communication device proposed by the invention just can improve mobile phone effectively when the frequency range of carrying out WCDMA system and gsm system is switched with the signal transmission, the signal of WCDMA system can produce signal transmission power slightly loss or insert loss (InsertionLoss) and and then can influence the situation of its signal usefulness performance, transmit by two antenna elements and with designed corresponding frequency band, just can make WCDMA system and gsm system on the signal transmission benefit of each frequency range, obtain best integration and performance, and need not to adopt complexity and the setting or the processing of dividing filter of difficulty, just can allow the special frequency channel that to strengthen produce optimized laser propagation effect.Hereat, the present invention has solved the problem that prior art proposed effectively, and has successfully reached the main purpose of this case development.
Any those of ordinary skills, under utilization and the prerequisite of the identical purpose of the present invention, the basis that can use disclosed notion and embodiment variation to be used as designing and improving some other method.These change, substitute and improve and can not deviate from protection scope of the present invention that claim defines.Hereat, the present invention must be appointed by those of ordinary skills and executes that the craftsman thinks and be to modify as all, yet neither disengaging is as the scope of the claim institute desire protection of enclosing.
Claims (9)
1. a multi-frequency band mobile communication device is characterized in that, includes:
The first communication system wireless signal treatment circuit is in order to move a plurality of first kind frequency band signals;
Second communication system wireless signal processing circuit is in order to move a plurality of second class frequency band signals;
Antenna handover module, signal are connected in above-mentioned first and second communication system wireless signal treatment circuit, in order to the first's frequency band signals in above-mentioned these first kind frequency band signals and above-mentioned these second class frequency band signals is switched;
First antenna element, signal are connected in above-mentioned antenna handover module; And
Second antenna element, signal are connected in above-mentioned second communication system wireless signal processing circuit.
2. multi-frequency band mobile communication device according to claim 1 is characterized in that, the wherein above-mentioned first communication system wireless signal treatment circuit is a global mobile communication wireless signal treatment circuit.
3. multi-frequency band mobile communication device according to claim 1 is characterized in that, wherein above-mentioned second communication system wireless signal processing circuit is the wide band CDMA radio signal processing circuit.
4. multi-frequency band mobile communication device according to claim 1 is characterized in that, the high frequency band signal in above-mentioned these the second class frequency band signals of wherein above-mentioned second antenna element transmitting-receiving.
5. multi-frequency band mobile communication device according to claim 1 is characterized in that, wherein above-mentioned second antenna element is in order to support the second portion frequency band signals in above-mentioned these second class frequency band signals.
6. multi-frequency band mobile communication device according to claim 1 is characterized in that, wherein above-mentioned first antenna element is in order to support the above-mentioned first frequency band signals in above-mentioned these first kind frequency band signals and above-mentioned these second class frequency band signals.
7. multi-frequency band mobile communication device according to claim 1 is characterized in that, wherein above-mentioned second antenna element is the one-segment antenna.
8. multi-frequency band mobile communication device according to claim 1 is characterized in that, wherein above-mentioned first antenna element is a multiband aerial.
9. multi-frequency band mobile communication device according to claim 1 is characterized in that, wherein above-mentioned multi-frequency band mobile communication device is mobile phone, intelligent mobile phone or personal digital assistant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101255676A CN101304580B (en) | 2008-06-13 | 2008-06-13 | Multi-frequency band mobile communication device |
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| CN2008101255676A CN101304580B (en) | 2008-06-13 | 2008-06-13 | Multi-frequency band mobile communication device |
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| CN101304580A true CN101304580A (en) | 2008-11-12 |
| CN101304580B CN101304580B (en) | 2011-05-18 |
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Cited By (5)
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| CN102263328A (en) * | 2011-06-07 | 2011-11-30 | 华为技术有限公司 | Multifrequency antenna remote control device and multifrequency antenna system |
| CN104244291A (en) * | 2014-09-29 | 2014-12-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and antenna switching method and device thereof |
| WO2015143640A1 (en) * | 2014-03-26 | 2015-10-01 | 华为终端有限公司 | Radio frequency front-end system, signal transmission control method and mobile terminal |
| CN108282182A (en) * | 2017-12-25 | 2018-07-13 | 惠州Tcl移动通信有限公司 | A kind of RF front-end circuit and its circuit board, terminal of antenna |
| CN115276692A (en) * | 2021-10-14 | 2022-11-01 | 神基科技股份有限公司 | Wireless signal receiving device and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100451188B1 (en) * | 2002-03-19 | 2004-10-02 | 엘지전자 주식회사 | Receive apparatus of mobile communication terminal |
| US7269441B2 (en) * | 2003-10-17 | 2007-09-11 | Nokia Corporation | Multiband multimode communication engines |
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2008
- 2008-06-13 CN CN2008101255676A patent/CN101304580B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102263328A (en) * | 2011-06-07 | 2011-11-30 | 华为技术有限公司 | Multifrequency antenna remote control device and multifrequency antenna system |
| CN102263328B (en) * | 2011-06-07 | 2014-09-03 | 华为技术有限公司 | Multifrequency antenna remote control device and multifrequency antenna system |
| US8860334B2 (en) | 2011-06-07 | 2014-10-14 | Huawei Technologies Co., Ltd. | Device for remotely controlling multi-band antenna and multi-band antenna system |
| WO2015143640A1 (en) * | 2014-03-26 | 2015-10-01 | 华为终端有限公司 | Radio frequency front-end system, signal transmission control method and mobile terminal |
| CN104969481A (en) * | 2014-03-26 | 2015-10-07 | 华为终端有限公司 | Radio frequency front-end system, signal transmission control method and mobile terminal |
| CN104969481B (en) * | 2014-03-26 | 2017-08-18 | 华为终端有限公司 | A kind of radio-frequency front-end system, signal transfer control method and mobile terminal |
| US9948328B2 (en) | 2014-03-26 | 2018-04-17 | Huawei Device (Dongguan) Co., Ltd. | Radio frequency front-end system, signal transmission control method, and mobile terminal |
| CN104244291A (en) * | 2014-09-29 | 2014-12-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and antenna switching method and device thereof |
| CN104244291B (en) * | 2014-09-29 | 2019-01-08 | 青岛海信移动通信技术股份有限公司 | A kind of antenna switching method of mobile terminal, device and mobile terminal |
| CN108282182A (en) * | 2017-12-25 | 2018-07-13 | 惠州Tcl移动通信有限公司 | A kind of RF front-end circuit and its circuit board, terminal of antenna |
| US11283473B2 (en) | 2017-12-25 | 2022-03-22 | JRD Communication (Shenzhen) Ltd. | Radio frequency front-end circuit, circuit board thereof and terminal |
| CN115276692A (en) * | 2021-10-14 | 2022-11-01 | 神基科技股份有限公司 | Wireless signal receiving device and system |
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| CN101304580B (en) | 2011-05-18 |
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