CN1870450B - Electronic device and its signal transmit-receive method - Google Patents
Electronic device and its signal transmit-receive method Download PDFInfo
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- CN1870450B CN1870450B CN200510075859XA CN200510075859A CN1870450B CN 1870450 B CN1870450 B CN 1870450B CN 200510075859X A CN200510075859X A CN 200510075859XA CN 200510075859 A CN200510075859 A CN 200510075859A CN 1870450 B CN1870450 B CN 1870450B
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Abstract
An electronic device includes a first antenna, a second antenna, a third antenna, a fourth antenna, a first, second, third and fourth matching circuits, a switch circuit and a signal process/control circuit, in which, the first and fourth matching circuits and the switch circuit are coupled to said signal process/control circuit, the second and the third matching circuits are coupled to said switch circuit, the first antenna is coupled to said first matching circuit, the second antenna is coupled to the second matching circuit, the third antenna is coupled to the third and the fourth antenna is coupled to the fourth matching circuit.
Description
Technical field:
Present invention is directed to a kind of signal transmit-receive method and electronic installation thereof, is relevant for a kind of method and electronic installation thereof of receiving and dispatching PHS signal and GSM signal especially.
Prior art:
With reference to Fig. 1 a, it is that demonstration is existing in conjunction with personal mobile phone communication system (PHS, PersonalHandyphone System, hereinafter to be referred as PHS) and global mobile communication system (GSM, Global System forMobile Communication, hereinafter to be referred as GSM) the antenna sets of dual-mode handset, it has one first antenna 10, one first signal transmitting and receiving circuit 11, one second antenna 20, a secondary signal transmission circuit 21 and an integration processing circuit 30.First antenna, 10 coupled with first signal transmission circuits, 11, the first signal transmitting and receiving circuit 11 couple integration processing circuit 30.Second antenna 20 couples secondary signal transmission circuit 21, and secondary signal transmission circuit 21 couples integration processing circuit 30.First antenna 10 and the first signal transmitting and receiving circuit 11 are used to receive and dispatch PHS signal (1900MHz), and second antenna 20 and secondary signal transmission circuit 21 are used to receive and dispatch the GSM signal, and so-called GSM signal comprises the signal of GSM900 (900MHz) and two kinds of frequencies of DCS1800 (1800MHz).
Because the DCS1800 frequency range of the first antenna PHS1900 frequency range and second antenna is too approaching, makes that two isolation between antennas (Isolation) are not good, and causes the phase mutual interference between two antennas and its antenna performance that significantly fails.Therefore must be on mechanism design with first antenna 10 and second antenna 20 away from placement, with the reduction interference phenomenon.Particularly, when the reception of GSM900 signal was not good, two standby settings of dual-mode handset can be received and dispatched DCS1800 signal and PHS signal simultaneously, so this interference problem is difficult to avoid.
With reference to Fig. 1 b, it is the mechanism design that shows existing dual-mode handset, existing dual-mode handset 1, and it has a body 3 and a loam cake 2.Loam cake 2 is articulated on the body 3.In order effectively to separate first antenna 10 and second antenna 20, existing dual-mode handset 1 is located at loam cake with first antenna 10, and utilizes transmission line 12 transmission PHS signals, and 20 on second antenna is located among the body 3.By the spacing d between first antenna 10 and second antenna 20, disturb to reduce.
Yet, though in the prior art, separate first antenna 10 and second antenna 20 with spacing d, isolation effect is still limited, and its reception effect still has to be hoisted.
Summary of the invention:
The present invention promptly solves above-mentioned prior art problems for desire, and a kind of electronic installation that provides comprises:
One signal processing/control circuit; One first antenna couples this signal processing/control circuit, and this signal processing/control circuit is by this first antenna receiving-sending, one first wireless signal; One switches circuit, couples this signal processing/control circuit; One second antenna couples this commutation circuit; An and third antenna, couple this commutation circuit, wherein, this electronic installation has a flip state and an entire lid state, when this electronic installation is in this flip state, can utilize this first antenna and this third antenna, receive and dispatch this first wireless signal and one second wireless signal, when this electronic installation was in this entire lid state, this signal processing/control circuit was controlled this commutation circuit, selected to receive and dispatch this second wireless signal with this second antenna or this third antenna to switch.The present invention has strengthened the distance between first antenna (PHS1900 antenna) and the third antenna (DCS1800 antenna), therefore can provide better Signal Spacing effect when conversation, has effectively improved the reception quality of signal.And the present invention can be switched and select therefore can obtain best reception quality with second antenna or third antenna transmitting-receiving DCS1800 signal according to the reception of signal.
Description of drawings:
Fig. 1 a system shows the antenna sets of existing dual-mode handset;
Fig. 1 b system shows the mechanism design of existing dual-mode handset;
Fig. 2 a system shows the calcspar of dual-mode handset of the present invention;
Fig. 2 b system shows that the signal of dual-mode handset of the present invention sends situation;
Fig. 2 c system shows that the signal of dual-mode handset of the present invention receives situation;
Fig. 3 a system shows that dual-mode handset of the present invention is in the structural representation of flip state;
Fig. 3 b system shows that dual-mode handset of the present invention is in the structural representation of entire lid state;
Fig. 4 shows signal transmit-receive method of the present invention.
Embodiment:
With reference to Fig. 2 a, it is the calcspar that shows electronic installation of the present invention (dual-mode handset) 100, comprises that one first antenna 110, one second antenna 120, a third antenna 130, one the 4th antenna 140, one first match circuit 111, one second match circuit 121, one the 3rd match circuit 131, one the 4th match circuit 141, switch circuit 150 and one signal processing/control circuit 160.First match circuit 111, the 4th match circuit 141 and commutation circuit 150 all couple this signal processing/control circuit 160.Second match circuit 121 and the 3rd match circuit 131 all couple this commutation circuit 150.First antenna 110 couples this first match circuit 111.Second antenna 120 couples this second match circuit 121.Third antenna 130 couples the 3rd match circuit 131.The 4th antenna 140 couples the 4th match circuit 141.
With reference to Fig. 2 b, when sending signal, signals such as sound or image are changed by signal processing/control circuit 160, and send by first antenna 110, second antenna 120, third antenna 130 and the 4th antenna 140.First antenna, 110 transmissions, one first wireless signal (the PHS signal, 1900MHz).Second antenna 120 and third antenna 130 by commutation circuit 150 select to send one second wireless signal (the DCS1800 signal, 1800MHz).The 4th antenna 140 transmissions one the 3rd wireless signal (the GSM900 signal, 900MHz).
With reference to Fig. 2 c, when received signal, first antenna 110 receives first wireless signal.Second antenna 120 and third antenna 130 are by commutation circuit 150 selective receptions second wireless signal.The 4th antenna 140 receives the 3rd wireless signal.This first wireless signal, second wireless signal and the 3rd wireless signal also can be passed to signal processing/control circuit 160, and are converted into signals such as sound or image.
With reference to Fig. 3 a, it is to show electronic installation of the present invention (dual-mode handset) 100 in the structural representation of flip state, and it more comprises a body 3 and a loam cake 2.Loam cake 2 is articulated on the first end 31 of body 3.First antenna 110 is located at loam cake, and utilizes transmission line 12 transmission first wireless signal.Second antenna 120 and the 4th antenna 140 are located among the body 3, and near this first end 31.Third antenna 130 is located among the body 3, and a second end 32 of close this body 3, and this second end 32 is in contrast to this first end 31.At this moment, have one first spacing d1 between first antenna 110 and second antenna 120, have one second spacing d2 between first antenna 110 and the third antenna 130.The distance of the second spacing d2 is greater than the first spacing d1, by this, when electronic installation of the present invention (dual-mode handset) 100 is in the flip state, can utilize first antenna 110 and third antenna 130 transmitting-receiving first wireless signal and second wireless signals respectively, and obtain the signal transmission effect better than prior art.Particularly, when electronic installation (dual-mode handset) 100 is in the flip state, the state that it is generally user's conversation or carries out other information dense transfers, therefore, the signal under the flip state improves, and it is very remarkable that it improves effect.
With reference to Fig. 3 b, when electronic installation of the present invention (dual-mode handset) 100 was in entire lid state, signal processing/control circuit 160 may command commutation circuits 150 were switched by second antenna, 120 these second wireless signals of transmitting-receiving.Owing under entire lid state, have one the 3rd spacing d3 between first antenna 110 and second antenna 120, therefore, can reduce the interference between first antenna 110 and second antenna 120.
In addition, when if the user grips mobile phone, its palm shelters from second antenna 120 or third antenna 130, and influence its signal transmitting and receiving, then, electronic installation 100 of the present invention can switch the preferable antenna of selection reception automatically and carry out the transmitting-receiving of this second wireless signal from second antenna 120 and third antenna 130.
Collocation is with reference to Fig. 2 a and Fig. 4, so that signal transmit-receive method of the present invention to be described.At first, the user starts mobile phone (step S0).Then, signal processing/control circuit 160 is searched this first wireless signal, second wireless signal and the 3rd wireless signal (step S1) respectively by first antenna 110, second antenna 120 or third antenna 130 (being example with second antenna 120 in this embodiment) and the 4th antenna 140.Again, to set mobile phone according to SIM card data and second wireless signal strength and the 3rd wireless signal strength be the first/the second wireless signal dual standby mode or first/the 3rd wireless signal dual standby mode (step S2) to signal processing/control circuit 160.If belong to first/the 3rd wireless signal dual standby mode, then this signal processing/control circuit 160 is selected to carry out the transmission (step S21) of information with first wireless signal and the 3rd wireless signal.If when belonging to the first/the second wireless signal dual standby mode, then this signal processing/control circuit 160 is selected to carry out the transmission of information with first wireless signal and second wireless signal, and the receiving quality that detects second wireless signal this moment conformance with standard (step S3) whether.Wherein, if the bit error rate (bit error rate) of second wireless signal less than 2.4% (critical value), satisfy the criteria by then reception quality.If the bit error rate (bit error rate) of second wireless signal is is just received and dispatched this second wireless signal (step S31) with primary antenna (in this embodiment, being second antenna 120 for example) less than 2.4%.If the bit error rate (bit error rate) of second wireless signal is greater than 2.4%, then the antenna of signal processing/control circuit 160 control commutation circuits 150 switching transmitting-receivings second wireless signal (for example, in this embodiment, switch to third antenna 130 from second antenna 120), to attempt to improve reception effect (step S32).Simultaneously, signal processing/control circuit 160 also utilizes a counter (not shown) to calculate the switching times (step S33) of commutation circuit 150 in a domain (scheduled time), if switching times too much (surpasses a pre-determined number, for example 5 times), then represent the signal of present surrounding environment original just too faint, therefore stop the switching (step S34) of antenna.If switching times do not reach pre-determined number, then get back to step S3, whether the receiving quality that rejudges second wireless signal this moment conformance with standard.
The judgement of the transmitting-receiving of above-mentioned signal and signal power/quality is controlled and is judged by signal processing/control circuit 160.
Use method of the present invention, when the user shelters from second antenna 120 or third antenna 130 with palm, and when influencing its signal transmitting and receiving, electronic installation 100 of the present invention can select the preferable antenna of reception carry out the transmitting-receiving of this second wireless signal by switching in second antenna 120 and the third antenna 130 automatically.
Though the present invention discloses as above with concrete 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; still can do 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 (18)
1. electronic installation comprises:
One signal processing/control circuit;
One first antenna couples this signal processing/control circuit, and this signal processing/control circuit is by this first antenna receiving-sending, one first wireless signal;
One switches circuit, couples this signal processing/control circuit;
One second antenna couples this commutation circuit; And
One third antenna, couple this commutation circuit, wherein, this electronic installation has a flip state and an entire lid state, when this electronic installation is in this flip state, can utilize this first antenna and this third antenna, receive and dispatch this first wireless signal and one second wireless signal, when this electronic installation was in this entire lid state, this signal processing/control circuit was controlled this commutation circuit, selected to receive and dispatch this second wireless signal with this second antenna or this third antenna to switch.
2. electronic installation according to claim 1 is characterized in that, more comprises one first match circuit, is coupled between this first antenna and this signal processing/control circuit.
3. electronic installation according to claim 1 is characterized in that, more comprises one second match circuit, is coupled between this second antenna and this commutation circuit.
4. electronic installation according to claim 1 is characterized in that, more comprises one the 3rd match circuit, is coupled between this third antenna and this commutation circuit.
5. electronic installation according to claim 1 is characterized in that, this first wireless signal is PHS signal (1900MHz).
6. electronic installation according to claim 1 is characterized in that, this second wireless signal is DCS1800 signal (1800MHz).
7. electronic installation according to claim 1 is characterized in that, more comprises one the 4th antenna, couples this signal processing/control circuit, and this signal processing/control circuit is by the 4th antenna receiving-sending 1 the 3rd wireless signal.
8. electronic installation according to claim 7 is characterized in that, more comprises one the 4th match circuit, is coupled between the 4th antenna and this signal processing/control circuit.
9. electronic installation according to claim 7 is characterized in that, the 3rd wireless signal is GSM900 signal (900MHz).
10. signal transmit-receive method, system is used for an electronic installation, this electronic installation comprises one first antenna, one second antenna, a third antenna and one signal processing/control circuit, this electronic installation has a flip state and an entire lid state, wherein, this signal processing/control circuit couples this first antenna, this second antenna and this third antenna, and this second antenna is located at positions different relatively in this electronic installation with this third antenna system, and this signal transmit-receive method comprises:
When this electronic installation is in this flip state, with this first antenna receiving-sending, one first wireless signal, and with this second antenna receiving-sending, one second wireless signal; And
When this electronic installation is in this entire lid state, detect the receiving quality of this second wireless signal with this signal processing/control circuit, and the result who detects in view of the above selects to receive and dispatch this second wireless signal by this second antenna or this third antenna.
11. signal transmit-receive method according to claim 10, it is characterized in that, the testing result of the receiving quality of this second wireless signal, system is by calculating a bit error rate of this second wireless signal, and this bit error rate compared a critical value and get, when this bit error rate was higher than this critical value, this electronic installation was selected to receive and dispatch this second wireless signal with this third antenna.
12. signal transmit-receive method according to claim 11 is characterized in that, this critical value is 2.4%.
13. signal transmit-receive method according to claim 11, it is characterized in that, when this third antenna is received and dispatched this second wireless signal, this signal processing/control circuit detects the receiving quality of this second wireless signal, if this moment, this bit error rate was higher than this critical value, then this electronic installation is selected with this second wireless signal of this second antenna receiving-sending.
14. signal transmit-receive method according to claim 13 is characterized in that, selects to move switching times in a scheduled time when surpassing a pre-determined number when the switching between this second antenna and this third antenna, then stops change action.
15. signal transmit-receive method according to claim 10 is characterized in that, this first wireless signal is the PHS signal, and its frequency is 1900MHz.
16. signal transmit-receive method according to claim 10 is characterized in that, this second wireless signal is the DCS1800 signal, and its frequency is 1800MHz.
17. signal transmit-receive method according to claim 10 is characterized in that, this electronic installation further comprises one the 4th antenna, and this signal transmit-receive method more comprises:
With the 4th antenna receiving-sending 1 the 3rd wireless signal.
18. signal transmit-receive method according to claim 17 is characterized in that, the 3rd wireless signal is the GSM900 signal, and its frequency is 900MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510075859XA CN1870450B (en) | 2005-05-26 | 2005-05-26 | Electronic device and its signal transmit-receive method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510075859XA CN1870450B (en) | 2005-05-26 | 2005-05-26 | Electronic device and its signal transmit-receive method |
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| CN1870450A CN1870450A (en) | 2006-11-29 |
| CN1870450B true CN1870450B (en) | 2010-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061912A (en) * | 2010-12-30 | 2011-05-18 | 中国海洋石油总公司 | Four-antenna cyclic transmitting control circuit |
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| CN101282551B (en) * | 2008-05-29 | 2011-09-28 | 德信智能手机技术（北京）有限公司 | Method, apparatus and mobile terminal for displaying information of card |
| CN104657119B (en) * | 2013-11-18 | 2018-08-10 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN105512065A (en) * | 2014-09-26 | 2016-04-20 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN107168183B (en) * | 2017-06-29 | 2020-06-05 | 三星电子（中国）研发中心 | Equipment control method and device |
| CN108847903A (en) * | 2018-06-19 | 2018-11-20 | Oppo广东移动通信有限公司 | Electronic equipment receiving sensitivity test macro, method and apparatus |
| CN117478166B (en) * | 2023-12-28 | 2024-06-11 | 荣耀终端有限公司 | Radio frequency access switching method and communication equipment |
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| Publication number | Publication date |
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| CN1870450A (en) | 2006-11-29 |
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