CN105307178A - Dual-mode dual-connection terminal and communication method thereof - Google Patents
Dual-mode dual-connection terminal and communication method thereof Download PDFInfo
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- CN105307178A CN105307178A CN201410375059.9A CN201410375059A CN105307178A CN 105307178 A CN105307178 A CN 105307178A CN 201410375059 A CN201410375059 A CN 201410375059A CN 105307178 A CN105307178 A CN 105307178A
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Abstract
The invention relates to a dual-mode dual-connection terminal and a communication method thereof. The method comprises the following steps: establishing an uplink communication link and a downlink communication link; if the uplink communication link is established on the basis of an LTE transmitter and the downlink communication link is established on the basis of a DCS receiver, generating a first interference signal on a first frequency band by the LTE transmitter, wherein the downlink communication link established on the basis of the DCS receiver is provided with an interference frequency band, and the first frequency band is consistent with the interference frequency band; and switching a radio-frequency signal to be received on the interference frequency band to a radio-frequency signal on a narrow-band frequency band through band changing, and receiving the radio-frequency signal by the DCS receiver. Through adoption of the dual-mode dual-connection terminal and the communication method thereof, mutual interference of the radio-frequency signals in the dual-mode dual-connection terminal can be reduced.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of bimodulus dual link terminal and communication means thereof.
Background technology
At present, LTE standard can support the single connection mobile terminal work comprising the multimodes such as LTE-2G/3G, and bimodulus single connection mobile terminal has started listing simultaneously.In order to more effectively utilize existing frequency deviation resource, and promote that LTE is commercial gradually, bimodulus connects mobile terminal to start to be subject to people's attention.
Bimodulus dual link mobile terminal is the smart machine that more than, wireless link activates simultaneously, and it faces the problem of a large amount of software and hardware technology and realization thereof.Wherein, the mutual interference problem of radio frequency is a technical problem urgently to be resolved hurrily.
For DCS/LTE bimodulus dual link mobile phone, when DCS transmitter carries out the transmitting of radiofrequency signal, interference can be caused to the reception of LTE receiver, and when LTE transmitter carries out the transmitting of radiofrequency signal, interference can be caused to the reception of DCS receiver.
The problem that above-mentioned radiofrequency signal interferes with each other can cause the distribution of terminal spectrum resource, physical layer link Distribution Indexes and a series of basic software and hardware problem such as coordination, bottom Signalling exchange design and convert, cause the fail safe of terminal electromagnetic field to reduce, affect Consumer's Experience.
Summary of the invention
The technical problem that technical solution of the present invention solves is, how to reduce interfering with each other of radiofrequency signal in bimodulus dual link mobile terminal.
In order to solve the problems of the technologies described above, technical solution of the present invention provides a kind of communication means of bimodulus dual link terminal, and described dual-mode terminal comprises LTE transmitter, LTE receiver, DCS transmitter and DCS receiver, comprising:
Set up uplink communication links and downstream communications link;
If described uplink communication links is set up based on described LTE transmitter, described downstream communications link is set up based on described DCS receiver, described LTE transmitter produces the first interference signal in the first frequency range, the downstream communications link set up based on described DCS receiver has interference band, and described first frequency range is consistent with described interference band; Radiofrequency signal to be received on described interference band is switched to the radiofrequency signal on narrowband slice through band converted, and received by described DCS receiver.
Optionally, described method also comprises:
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described LTE receiver, described DCS transmitter produces the second interference signal in the second frequency range, the downstream communications link set up based on described LTE receiver has described interference band, and described second frequency range is consistent with described interference band; Reduce the power of radiofrequency signal to be sent on described interference band, and sent by described DCS transmitter.
Optionally, the power of radiofrequency signal to be sent on described interference band comprises by described reduction: reduce the power 2dB ~ 2.5dB of radiofrequency signal to be sent on described interference band.
Optionally, described method also comprises:
If described uplink communication links is set up based on described DCS transmitter and base station receiver, described downstream communications link is set up based on described LTE receiver, and described base station receiver requires that DCS transmitter improves the RF signal power that interference band sends, then recover the power of radiofrequency signal to be sent on described interference band, and sent by described DCS transmitter.
Optionally, described method also comprises:
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described DCS receiver, then recover the power of radiofrequency signal to be sent on described interference band, and is sent by described DCS transmitter.
Optionally, described method also comprises:
If described uplink communication links is set up based on described LTE transmitter, described downstream communications link is set up based on described LTE receiver, then directly receive radiofrequency signal to be received on described interference band by described DCS receiver.
Optionally, described interference band is 1805MHZ ~ 1880MHZ.
Optionally, described narrowband slice is the frequency range except described interference band and other DCS band downlinks.
In order to solve the problems of the technologies described above, technical solution of the present invention additionally provides a kind of bimodulus dual link terminal, is applicable to method as above, comprises: LTE transmitter, LTE receiver, DCS transmitter, DCS receiver and band converted filter; Described DCS receiver comprises: reception antenna and radio-frequency filter, and described band converted filter is located between described reception antenna and radio-frequency filter;
If described uplink communication links is set up based on described LTE transmitter, described downstream communications link is set up based on described DCS receiver, then described band converted filter is suitable for based on described reception antenna received RF signal, and the radiofrequency signal on described interference band is switched to narrowband slice, the signal transmission extremely described radio-frequency filter then will switched through frequency range.
Optionally, if described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described DCS receiver, then described radio-frequency filter is suitable for based on described reception antenna received RF signal.
Optionally, described bimodulus dual link terminal also comprises: power modulators; Described DCS transmitter comprises: baseband processor, GMSK modulation device and transmitting antenna, and described power modulators is located between described GMSK modulation device and transmitting antenna;
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described LTE receiver, then described power modulators is suitable for the modulation signal based on described GMSK modulation device output, reduce the power of modulation signal on described interference band, then the modulation signal after reduction power is passed to described transmitting antenna.
Optionally, if described uplink communication links is set up based on described DCS transmitter and base station receiver, described downstream communications link is set up based on described LTE receiver, and described base station receiver requires that DCS transmitter improves the RF signal power that interference band sends, then described power modulators is suitable for the modulation signal based on described GMSK modulation device output, recover the power of modulation signal on described interference band, then the modulation signal after recovery power is passed to described transmitting antenna.
Optionally, if described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described DCS receiver, then described power modulators is suitable for the modulation signal based on described GMSK modulation device output, recover the power of modulation signal on described interference band, then the modulation signal after recovery power is passed to described transmitting antenna.
The beneficial effect of technical solution of the present invention at least comprises:
Technical solution of the present invention, based on the frequency range that overlaps between LTE frequency band with DCS frequency band, when LTE transmitter transmits, notifies that the Received signal strength of coincidence frequency range switches on narrowband slice by described DCS receiver and receives; And when DCS transmitter transmits, then the reduction power that transmits of coincidence frequency range is launched by DCS transmitter, thus effectively reduce the mutual and DCS transmitter/receiver signal of LTE transmitter/receiver signal mutual between interference, improve the performance of terminal transmission and Received signal strength.
Technical solution of the present invention can significantly reduce from local interfere information in bimodulus dual link terminal, thus effectively alleviates the problem interfered with each other of radiofrequency signal in bimodulus dual link mobile terminal.
Technical solution of the present invention is easy to realize, and improving cost is low.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of LTE transmitter;
Fig. 2 is a kind of structural representation of LTE receiver;
Fig. 3 is the schematic diagram of forth generation wireless communication spectrum allocation table;
Fig. 4 is a kind of structural representation of DCS transmitter;
Fig. 5 is a kind of structural representation of DCS receiver;
The communication means schematic flow sheet of a kind of bimodulus dual link terminal that Fig. 6 provides for technical solution of the present invention;
The structural representation of a kind of DCS receiver that Fig. 7 provides for technical solution of the present invention;
The communication means schematic flow sheet of the another kind of bimodulus dual link terminal that Fig. 8 provides for technical solution of the present invention;
The structural representation of a kind of DCS transmitter that Fig. 9 provides for technical solution of the present invention.
Embodiment
In order to enable object of the present invention, characteristic sum effect becomes apparent more, elaborates to the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from mode described here to implement, therefore the present invention is not by the restriction of following public specific embodiment.
First, in this application, DCS/LTE bimodulus dual link terminal comprises: LTE transmitter, LTE receiver, DCS transmitter and DCS receiver.Wherein:
Comprise with reference to figure 1, LTE transmitter: bit source generation module 10, baseband processing module 11, rf modulations module 12 and antenna 13.Bit source generation module 10 is suitable for producing useful signal, baseband processing module 11 is suitable for processing above-mentioned useful signal, rf modulations module 12 uses QPSK modulation system to modulate the signal after Base-Band Processing, and produces QPSK radiofrequency signal, is fed to antenna 13 and sends.Channel type based on LTE pattern is Gaussian white noise channel.
Comprise with reference to figure 2, LTE receiver: antenna 20, rf filtering module 21, RF Amplifier Module 22, frequency mixing module 23, filtration module 24, again amplification module 25, demodulation module 26, baseband processing module 27 and bit source output module 28.
Wherein, antenna 20 is suitable for the LTE radio signal receiving base station transmission, rf filtering module 21, RF Amplifier Module 22, frequency mixing module 23, filtration module 24 and again amplification module 25 achieve the radio frequency processing process to described LTE radio signal, demodulation module 26 is suitable for the acquisition that the radiofrequency signal after radio frequency process carries out useful signal, and baseband processing module 27 and bit source output module 28 carry out signal recuperation to the useful signal after demodulation.
Foregoing description is all the LTE pattern based on terminal.In order to adapt to the quick growth of LTE data use amount, operator then needs effectively to use frequency spectrum resource, and implements the super many LTE technology of frequency range as early as possible.
In order to adapt to above-mentioned requirements, terminal LTE transceiver is had high requirements.Above-mentioned LTE transceiver arranges based on same Frequency Division Duplexing (FDD) (FrequencyDivisionDuplexing is called for short FDD) and time division duplex (TimeDivisionDuplexing is called for short TDD) technology.At present, wireless communication spectrum (reaching 3.8GHZ) is divided into 43 frequency ranges, and wherein, 1 ~ 33 frequency range is listed in LTE-FDD, and 33 ~ 43 frequency ranges are for being classified as LTE-TDD.LTE transceiver can process FDD and TDD technology simultaneously.
As shown in Figure 3, be forth generation wireless communication spectrum allocation table, LTE transceiver based on frequency range comprise: the frequency range of LTE communication frequency spectrum 39 is 1800MHZ ~ 1920MHZ.
Bit source generation module 30, baseband processing module 31, GMSK modulation module 32 and antenna 33 is comprised with reference to figure 4, DCS transmitter.Bit source generation module 30 is suitable for producing useful signal, baseband processing module 31 is suitable for processing above-mentioned useful signal, GMSK modulation module 32 uses GMSK modulation mode to modulate the signal after Base-Band Processing, and produces GMSK radiofrequency signal, is fed to antenna 33 and sends.
Comprise with reference to figure 5, DCS receiver: antenna 40, rf filtering module 41, RF Amplifier Module 42, frequency mixing module 43, filtration module 44, again amplification module 45, demodulation module 46, baseband processing module 47 and bit source output module 48.
Wherein, antenna 40 is suitable for the GSM-DCS radiofrequency signal receiving base station transmission, rf filtering module 41, RF Amplifier Module 42, frequency mixing module 43, filtration module 44 and again amplification module 45 achieve the radio frequency processing process to described GSM-DCS radiofrequency signal, demodulation module 46 is suitable for the acquisition that the radiofrequency signal after radio frequency process carries out useful signal, and baseband processing module 47 and bit source output module 48 carry out signal recuperation to the useful signal after demodulation.
Frequency range based on the GSM1800 (being also DCS1800) of DCS transceiver is: 1710MHZ ~ 1880MHZ, wherein, GSMDCS link frequency range is 1805MHZ ~ 1880MHZ.
From above-mentioned analysis: DCS/LTE bimodulus dual link terminal LTE transceiver based on frequency range and DCS transceiver based on frequency range between there is coincidence frequency range, also i.e. above-mentioned frequency range 1805MHZ ~ 1880MHZ.
Because DCS/LTE terminal antenna (antenna 13,20,33 and 40) distance is very near, and the mutual idol of electromagnetism between antenna is very strong:
When LTE transmitter emitting radio frequency signal, this radiofrequency signal can be coupled to antenna 40 by antenna 13, thus adds the communication system of interference signal to DCS receiver of local LTE radio signal.
When DCS transmitter emitting radio frequency signal, this radiofrequency signal can be coupled to antenna 20 by antenna 33, thus adds the communication system of interference signal to LTE receiver of local DCS radiofrequency signal.
The problem that between above-mentioned DCS transceiver and LTE transceiver, radiofrequency signal interferes with each other can be solved in the following way:
As shown in Figure 6, a kind of communication means of bimodulus dual link terminal, comprises the steps:
Step S100, sets up uplink communication links based on LTE transmitter, sets up downstream communications link based on DCS receiver.
Due in the present embodiment, the frequency range of LTE transmitter uplink communication links is 1800MHZ ~ 1920MHZ, the frequency range of DCS receiver downstream communications link is 1805MHZ ~ 1880MHZ, then LTE transmitter has with DCS receiver the frequency range that overlaps, and this coincidence frequency range is 1805MHZ ~ 1880MHZ.
For DCS receiver, LTE transmitter produces the interference signal in described coincidence frequency range, and this interference signal is the radiofrequency signal that described LTE transmitter sends.In this case, this coincidence frequency range has more serious interference signal.
Continue with reference to figure 6, the communication means of described bimodulus dual link terminal also comprises:
Step S101, switches to the radiofrequency signal on narrowband slice through band converted by radiofrequency signal to be received on interference band, and received by described DCS receiver.
Described radiofrequency signal to be received is different from the radiofrequency signal that described LTE transmitter sends, because the antenna of LTE transmitter and DCS receiver antenna have coupling:
On the one hand, normal downstream communications link is set up in DCS receiver and base station, and accepts the radiofrequency signal (being also described radiofrequency signal to be received) of base station transmitter transmitting, and described radiofrequency signal to be received is useful signal;
On the other hand, DCS receiver is based on the coupling of the antenna of its antenna and LTE transmitter, the radiofrequency signal that LTE transmitter sends now launched by antenna because of LTE transmitter, and the radiofrequency signal that LTE transmitter sends is received by the antenna-coupled of DCS receiver.
1805MHZ ~ 1880MHZ frequency range of the downstream communications link that the radiofrequency signal that described LTE transmitter sends is set up at described DCS receiver has interference, described interference band be the uplink communication links of described LTE transmitter based on frequency range and DCS receiver downstream communications link based on the frequency range that overlaps between frequency range.
This application provides one in these cases, solve the radiofrequency signal of LTE transmitter transmission to the interference problem of the downstream communications link of DCS receiver.
Concrete, when uplink communication links set up by LTE transmitter, LTE transmitter notice DCS receiver indicates the message of its built vertical uplink communication links, DCS receiver is when setting up downstream communications link, then radiofrequency signal to be received is switched to the radiofrequency signal on narrowband slice through band converted, and received by described DCS receiver.
In order to realize the communication means shown in Fig. 6, the application also improves the DCS receiver shown in Fig. 5:
With reference to figure 7, a kind of DCS receiver comprises: antenna 50, rf filtering module 51, RF Amplifier Module 52, frequency mixing module 53, filtration module 54, again amplification module 55, demodulation module 56, baseband processing module 57, bit source output module 58 and band converted filter 59.Band converted filter 59 is located between described antenna 50 and rf filtering module 51.
Set up based on described LTE transmitter at described uplink communication links, and described downstream communications link is when setting up based on described DCS receiver, band converted filter 59 is suitable for the antenna received RF signal based on DCS receiver, and the radiofrequency signal on above-mentioned interference band (1805MHZ ~ 1880MHZ) is switched to a narrowband slice (such as 1805MHZ ~ 1850MHZ), then by the signal transmission that switches through frequency range to rf filtering module 51, then carry out subsequent treatment and demodulating process.Described narrowband slice can be one section of frequency range in described interference band, also can be the frequency range beyond described interference band and other DCS band downlinks.
In other embodiments, described band converted filter 59 also can be located between rf filtering module 51 and RF Amplifier Module 52, or is located between RF Amplifier Module 52 and frequency mixing module 53.
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described LTE receiver, then with reference to figure 8, this application provides the communication means of another kind of bimodulus dual link terminal, comprise the steps
Step S200, sets up uplink communication links based on DCS transmitter, sets up downstream communications link based on LTE receiver.
Due in the present embodiment, the frequency range of DCS transmitter uplink communication links is 1800MHZ ~ 1920MHZ, the frequency range of LTE receiver downstream communications link is 1805MHZ ~ 1880MHZ, LTE transmitter also has the frequency range that overlaps with DCS receiver in the foundation of above-mentioned uplink and downlink communication link, and this coincidence frequency range is also 1805MHZ ~ 1880MHZ.
For LTE receiver, DCS transmitter produces the interference signal in described coincidence frequency range, and this interference signal is the radiofrequency signal that described DCS transmitter sends.In this case, this coincidence frequency range has more serious interference signal.
Continue with reference to figure 8, the communication means of described bimodulus dual link terminal also comprises:
Step S201, reduces the power of radiofrequency signal to be sent on described interference band, and is sent by described DCS transmitter.
The mutual conflicting mode overcome between DCS/LTE transceiver shown in Fig. 8 is different from the mode shown in Fig. 6, and owing to being the interference problem between DCS transmitter and LTE receiver herein, its interference mechanism and above-described embodiment are similar:
On the one hand, normal downstream communications link is set up in LTE receiver and base station, and accepts the radiofrequency signal (radiofrequency signal of also i.e. LTE receiver reception herein) of base station transmitter transmitting;
On the other hand, DCS transmitter is based on the coupling of the antenna of its antenna and LTE receiver, and the antenna of DCS transmitter is when emitting radio frequency signal, and the radiofrequency signal of transmitting is received by the antenna-coupled of LTE receiver again.
1805MHZ ~ 1880MHZ frequency range of the downstream communications link that the radiofrequency signal that described DCS transmitter sends is set up at described LTE receiver has interference, described interference band be the uplink communication links of described LTE transmitter based on frequency range and DCS receiver downstream communications link based on the frequency range that overlaps between frequency range.
This application provides one in these cases, solve the radiofrequency signal of DCS transmitter transmission to the interference problem of the downstream communications link of LTE receiver.
Concrete, when uplink communication links set up by DCS transmitter, DCS transmitter detects the whether built vertical downstream communications link of LTE receiver, if so, then reduces the power of radiofrequency signal to be sent on described interference band, generally reduces about 2dB ~ 2.5dB.
The link interference mode of this DCS of overcoming transmitter to LTE receiver takes the mode reducing interfering signal power.
In this case, if on the uplink communication links of DCS transmitter foundation, corresponding base station receiver requires that DCS transmitter improves the RF signal power that interference band sends, then continue with reference to figure 8, the communication means of this bimodulus dual link terminal also comprises:
Step S202, recovers the power of radiofrequency signal to be sent on described interference band, and is sent by described DCS transmitter.
In addition, if a certain moment after performing step S201, DCS transmitter detects that now down link is set up based on DCS receiver, then the communication means of bimodulus dual link terminal also can perform step S202.
In order to realize the communication means shown in Fig. 8, the application also improves the DCS transmitter shown in Fig. 5:
With reference to figure 9, a kind of DCS transmitter comprises: bit source generation module 60, baseband processing module 61, GMSK modulation module 62, antenna 63 and power modulators 64, and power modulators 64 is located between described GMSK modulation module 62 and antenna 63.
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described LTE receiver, then power modulators 64 is suitable for the modulation signal based on described GMSK modulation module 62 output, filtering is to obtain modulation signal on interference band, and reduce the power of modulation signal on described interference band, then the modulation signal after reduction power is passed to antenna 63.
Certainly, if the base station receiver that DCS transmitter is corresponding requires to improve the RF signal power that above-mentioned interference band sends, or, detect that downstream communications link is set up based on described DCS receiver, then power modulators 64 is suitable for the modulation signal based on described GMSK modulation module 62 output, filtering, to obtain modulation signal on interference band, recovers the power of modulation signal on described interference band, then the modulation signal after recovery power is passed to antenna 63.
Based on the implementation of above-mentioned DCS/LTE terminal, can also learn:
If described uplink communication links is set up based on described LTE transmitter, described downstream communications link is set up based on described LTE receiver, then do not need to carry out any improvement to communication process and LTE transceiver; LTE transmitter normally by emission of radio frequency signals to respective base station receiver, LTE receiver also normally receives the radiofrequency signal of Base Transmitter.
In addition, the communication link institute that sets up of corresponding heterogeneous networks based on frequency range different, arranging of the corresponding DCS up-downgoing frequency range of DCS/LTE bimodulus dual link terminal and LTE up-downgoing frequency range may difference, can there is embodiment situations different as follows:
In one embodiment, only LTE uplink communication links based on frequency range and DCS downstream communications link based on frequency range there is the frequency range that overlaps, also be interference band, be now suitable for the embodiment that Fig. 6 and Fig. 7 is correlated with, further change is not done to other schemes of DCS/LTE bimodulus dual link terminal;
In another kind of embodiment, only LTE downstream communications link based on frequency range and DCS uplink communication links based on frequency range there is the frequency range that overlaps, also be interference band, be now suitable for the embodiment that Fig. 8 and Fig. 9 is correlated with, further change is not done to other schemes of DCS/LTE bimodulus dual link terminal;
In another embodiment, LTE uplink communication links based on frequency range and DCS downstream communications link based on frequency range have first and to overlap frequency range, LTE downstream communications link based on frequency range and DCS uplink communication links based on frequency range have second and to overlap frequency range, but above-mentioned first coincidence frequency range and the second coincidence frequency range are also inconsistent, now, be suitable for the embodiment that Fig. 6 to Fig. 9 is correlated with, only need the band converted to band converted filter 59, and the filtering parameter of power modulators 64 does adaptability correction, to overlap frequency range and the second coincidence frequency range with compound first.
It should be noted that:
Above-mentioned uplink communication links is all set up based on LTE/DCS transmitter and base station receiver, and above-mentioned downstream communications link is all set up based on LTE/DCS receiver and base station transmitter.
The application proposes solution based on the mutual interference problem of DCS/LTE bimodulus dual link terminal, but should be immediately, described herein is preferred embodiment, and the mutual interference problem that described technical scheme causes because frequency band overlaps for other also has adaptive capacity.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection range of technical solution of the present invention.
Claims (13)
1. a communication means for bimodulus dual link terminal, described dual-mode terminal comprises LTE transmitter, LTE receiver, DCS transmitter and DCS receiver, it is characterized in that, comprising:
Set up uplink communication links and downstream communications link;
If described uplink communication links is set up based on described LTE transmitter, described downstream communications link is set up based on described DCS receiver, described LTE transmitter produces the first interference signal in the first frequency range, the downstream communications link set up based on described DCS receiver has interference band, and described first frequency range is consistent with described interference band; Radiofrequency signal to be received on described interference band is switched to the radiofrequency signal on narrowband slice through band converted, and received by described DCS receiver.
2. the method for claim 1, is characterized in that, also comprises:
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described LTE receiver, described DCS transmitter produces the second interference signal in the second frequency range, the downstream communications link set up based on described LTE receiver has described interference band, and described second frequency range is consistent with described interference band; Reduce the power of radiofrequency signal to be sent on described interference band, and sent by described DCS transmitter.
3. method as claimed in claim 2, it is characterized in that, the power of radiofrequency signal to be sent on described interference band comprises by described reduction: reduce the power 2dB ~ 2.5dB of radiofrequency signal to be sent on described interference band.
4. method as claimed in claim 2, is characterized in that, also comprise:
If described uplink communication links is set up based on described DCS transmitter and base station receiver, described downstream communications link is set up based on described LTE receiver, and described base station receiver requires that DCS transmitter improves the RF signal power that interference band sends, then recover the power of radiofrequency signal to be sent on described interference band, and sent by described DCS transmitter.
5. method as claimed in claim 2, is characterized in that, also comprise:
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described DCS receiver, then recover the power of radiofrequency signal to be sent on described interference band, and is sent by described DCS transmitter.
6. the method for claim 1, is characterized in that, also comprises:
If described uplink communication links is set up based on described LTE transmitter, described downstream communications link is set up based on described LTE receiver, then directly receive radiofrequency signal to be received on described interference band by described DCS receiver.
7. the method for claim 1, is characterized in that, described interference band is 1805MHZ ~ 1880MHZ.
8. the method for claim 1, is characterized in that, described narrowband slice is the frequency range except described interference band and other DCS band downlinks.
9. a bimodulus dual link terminal, is applicable to the method for claim 1, it is characterized in that, comprising: LTE transmitter, LTE receiver, DCS transmitter, DCS receiver and band converted filter; Described DCS receiver comprises: reception antenna and radio-frequency filter, and described band converted filter is located between described reception antenna and radio-frequency filter;
If described uplink communication links is set up based on described LTE transmitter, described downstream communications link is set up based on described DCS receiver, then described band converted filter is suitable for based on described reception antenna received RF signal, and the radiofrequency signal on described interference band is switched to narrowband slice, the signal transmission extremely described radio-frequency filter then will switched through frequency range.
10. bimodulus dual link terminal as claimed in claim 9, it is characterized in that, if described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described DCS receiver, then described radio-frequency filter is suitable for based on described reception antenna received RF signal.
11. bimodulus dual link terminals as claimed in claim 9, is characterized in that, also comprise: power modulators; Described DCS transmitter comprises: baseband processor, GMSK modulation device and transmitting antenna, and described power modulators is located between described GMSK modulation device and transmitting antenna;
If described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described LTE receiver, then described power modulators is suitable for the modulation signal based on described GMSK modulation device output, reduce the power of modulation signal on described interference band, then the modulation signal after reduction power is passed to described transmitting antenna.
12. bimodulus dual link terminals as claimed in claim 11, it is characterized in that, if described uplink communication links is set up based on described DCS transmitter and base station receiver, described downstream communications link is set up based on described LTE receiver, and described base station receiver requires that DCS transmitter improves the RF signal power that interference band sends, then described power modulators is suitable for the modulation signal based on described GMSK modulation device output, recover the power of modulation signal on described interference band, then the modulation signal after recovery power is passed to described transmitting antenna.
13. bimodulus dual link terminals as claimed in claim 11, it is characterized in that, if described uplink communication links is set up based on described DCS transmitter, described downstream communications link is set up based on described DCS receiver, then described power modulators is suitable for the modulation signal based on described GMSK modulation device output, recover the power of modulation signal on described interference band, then the modulation signal after recovery power is passed to described transmitting antenna.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523822A (en) * | 2018-04-04 | 2018-09-14 | 重庆金山医疗器械有限公司 | A kind of image transfer method and capsule endoscopic system |
| CN109088660A (en) * | 2018-09-13 | 2018-12-25 | 维沃移动通信有限公司 | A kind of communication means and mobile terminal of mobile terminal |
| WO2019071573A1 (en) * | 2017-10-13 | 2019-04-18 | Oppo广东移动通信有限公司 | Interference processing method, terminal device, network device, and computer storage medium |
| WO2019085660A1 (en) * | 2017-11-03 | 2019-05-09 | 维沃移动通信有限公司 | Method for evading signal interference and network device |
| CN110190871A (en) * | 2019-06-24 | 2019-08-30 | Oppo广东移动通信有限公司 | A kind of method, electronic device and storage medium controlling inter-antenna interference |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1731692A (en) * | 2005-08-09 | 2006-02-08 | 杭州斯达康通讯有限公司 | Dual-mode communication terminal capable of restraining two mode signal RF crosstalk interference and restraining method |
| CN101154951A (en) * | 2006-09-26 | 2008-04-02 | 中兴通讯股份有限公司 | Method and device for double-module mobile terminal reducing radio frequency interference |
| CN102148622A (en) * | 2011-03-22 | 2011-08-10 | 中兴通讯股份有限公司 | Method for eliminating mutual interference among terminal modes and terminal |
| CN102246420A (en) * | 2011-05-23 | 2011-11-16 | 华为终端有限公司 | Mobile terminal and method for decreasing internal mutual interference of mobile terminal |
| CN102780994A (en) * | 2011-05-10 | 2012-11-14 | 中国移动通信集团公司 | Mobile communication terminal and method for realizing coexistence of different communication systems |
| CN103595438A (en) * | 2013-11-14 | 2014-02-19 | 华为终端有限公司 | Anti-jamming device and method and mobile terminal |
-
2014
- 2014-07-31 CN CN201410375059.9A patent/CN105307178A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1731692A (en) * | 2005-08-09 | 2006-02-08 | 杭州斯达康通讯有限公司 | Dual-mode communication terminal capable of restraining two mode signal RF crosstalk interference and restraining method |
| CN101154951A (en) * | 2006-09-26 | 2008-04-02 | 中兴通讯股份有限公司 | Method and device for double-module mobile terminal reducing radio frequency interference |
| CN102148622A (en) * | 2011-03-22 | 2011-08-10 | 中兴通讯股份有限公司 | Method for eliminating mutual interference among terminal modes and terminal |
| CN102780994A (en) * | 2011-05-10 | 2012-11-14 | 中国移动通信集团公司 | Mobile communication terminal and method for realizing coexistence of different communication systems |
| CN102246420A (en) * | 2011-05-23 | 2011-11-16 | 华为终端有限公司 | Mobile terminal and method for decreasing internal mutual interference of mobile terminal |
| CN103595438A (en) * | 2013-11-14 | 2014-02-19 | 华为终端有限公司 | Anti-jamming device and method and mobile terminal |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019071573A1 (en) * | 2017-10-13 | 2019-04-18 | Oppo广东移动通信有限公司 | Interference processing method, terminal device, network device, and computer storage medium |
| US11304250B2 (en) | 2017-10-13 | 2022-04-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Interference processing method, terminal device, network device, and computer storage medium |
| WO2019085660A1 (en) * | 2017-11-03 | 2019-05-09 | 维沃移动通信有限公司 | Method for evading signal interference and network device |
| US11368852B2 (en) | 2017-11-03 | 2022-06-21 | Vivo Mobile Communication Co., Ltd. | Signal interference avoidance method and network device |
| US11864000B2 (en) | 2017-11-03 | 2024-01-02 | Vivo Mobile Communication Co., Ltd. | Signal interference avoidance method and network device |
| CN108523822A (en) * | 2018-04-04 | 2018-09-14 | 重庆金山医疗器械有限公司 | A kind of image transfer method and capsule endoscopic system |
| CN109088660A (en) * | 2018-09-13 | 2018-12-25 | 维沃移动通信有限公司 | A kind of communication means and mobile terminal of mobile terminal |
| CN110190871A (en) * | 2019-06-24 | 2019-08-30 | Oppo广东移动通信有限公司 | A kind of method, electronic device and storage medium controlling inter-antenna interference |
| CN110190871B (en) * | 2019-06-24 | 2021-03-16 | Oppo广东移动通信有限公司 | Method for controlling interference between antennas, electronic device and storage medium |
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