CN102149223A - Method for improving terminal receiving sensitivity and terminal - Google Patents
Method for improving terminal receiving sensitivity and terminal Download PDFInfo
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- CN102149223A CN102149223A CN2011100692795A CN201110069279A CN102149223A CN 102149223 A CN102149223 A CN 102149223A CN 2011100692795 A CN2011100692795 A CN 2011100692795A CN 201110069279 A CN201110069279 A CN 201110069279A CN 102149223 A CN102149223 A CN 102149223A
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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
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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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
- H04B1/3805—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 with built-in auxiliary receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The invention provides a method for improving terminal receiving sensitivity. A terminal comprises a first module supporting a first mode and a second module supporting a second mode; moreover, a first frequency range in the first mode and a second frequency range in a second frequency range are frequency ranges which are mutually interfered; the method comprises the steps as follows: when the first module and the second module simultaneously work at the interfered frequency range of the two modes, and the two modes are respectively in an emitting state and a receiving state, a filter with adjustable orders in the first mode or the second module in the receiving state is set into a high-order state. The invention also provides a terminal. The technical scheme can be adopted to improve the receiving sensitivity of a TDF (transborder data flow) frequency range and a GSMDCS (global system for mobile communications-data communication system) frequency range in case that the receiving sensitivity of the TDF frequency range and the GSMDCS frequency range are largely influenced when a terminal GSM (global system for mobile communications) module works in a DCS frequency range (data communication system) and a TDF module works in an F frequency range.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of method and terminal that improves the terminal receiving sensitivity.
Background technology
Along with the high speed development of mobile communication technology, and TD SDMA (Time division synchronous CDMA, TD-SCDMA) technology reaches its maturity, and high speed data services such as its online, video telephone, mobile TV have attracted a lot of users.Simultaneously, (Global System for Mobile communication, GSM) owing to through for many years construction development, rely on its network that covers comprehensively, higher advantages such as speech quality also have a large number of users to global system for mobile communications.Therefore, people are also more and more stronger to the demand of GSM and TD-SCDMA double-mode and double-standby terminal.
For the GSM/TD-SCDMA double-mode and double-standby terminal, single as if each pattern frequency band is not overlapping from working band, should not have interference, but actual because the out-of-band radiation that the non-linear and transmitter of receiver transmits, when two kinds of patterns are worked simultaneously, certainly existing the phase mutual interference.In general, the influence of the near more interference of band separation is just big more.As seen from Figure 1, TD-SCDMA(is called for short TD) F frequency range (1880MHz-1920MHz) and DCS1800 downlink working frequency range (1805MHz-1880MHz) adjacent, the centre frequency of 885 channels of DCS1800 band downlink and TD F-band 9404 channels has only the interval of 0.9MHz, so the interference between deducibility TD F-band and the GSM DCS frequency range can be bigger than other frequency range.
For the problem of disturbing mutually between the dual-mode terminal, general measure is to adopt double antenna, and increases the isolation of two antennas as much as possible, perhaps adds dielectric filter or Surface Acoustic Wave Filter at transmitting terminal.Because the restriction of handset size, the isolation between the antenna can not be done finely, simultaneously, adds filter and can cause unnecessary attenuation to useful signal in being with, and influences the receiving sensitivity of terminal.
Summary of the invention
The invention provides a kind of method and terminal that improves the terminal receiving sensitivity, to solve the not high problem of receiving sensitivity of terminal.
The invention provides a kind of method that improves the terminal receiving sensitivity, above-mentioned terminal comprises second module of first module of supporting first pattern and second pattern of support, and second frequency range in first frequency range in above-mentioned first pattern and above-mentioned second pattern is interference band each other, and said method comprises:
Be operated in the interference band of two patterns simultaneously when above-mentioned first module and above-mentioned second module, and when two patterns were in emission state and accepting state respectively, the filter that is in adjustable exponent number in above-mentioned first module of accepting state or above-mentioned second module was set to the high-order state.
Preferably, said method can have following characteristics:
Above-mentioned first module and above-mentioned second module are operated in the interference band of two patterns simultaneously, and when two patterns are in emission state and accepting state respectively, the filter that is in adjustable exponent number in above-mentioned first module of accepting state or above-mentioned second module is set to the high-order state, comprising:
First control module of the above-mentioned first module correspondence will comprise that the working frequency range of above-mentioned first module and the information of operating state send to second control module corresponding with above-mentioned second module;
Above-mentioned second control module is as determining that above-mentioned second module is operated in second frequency range and is in emission state, when first module is operated in first frequency range and is in accepting state, then notify the filter of adjustable exponent number in above-mentioned first module of first control module to be set to the high-order state;
Above-mentioned second control module is as determining that above-mentioned second module is operated in second frequency range and is in accepting state, and when above-mentioned first module was operated in first frequency range and is in emission state, the filter of adjustable exponent number was set to the high-order state in then above-mentioned second module.
Preferably, said method can have following characteristics:
Above-mentioned first pattern is global system for mobile communications (GSM) pattern, above-mentioned first frequency range is Digital Cellular System (DCS) 1800 frequency ranges, above-mentioned first module is a gsm module, above-mentioned first control module is the GSM control module, and the filter of adjustable exponent number comprises the low pass filter (LPF) of adjustable exponent number and/or the finite impulse response digital filter (FIR) of adjustable exponent number in above-mentioned first module;
Above-mentioned second pattern is that TD SDMA inserts (TD) pattern, above-mentioned second frequency range is a F-band, above-mentioned second module is the TD module, above-mentioned second control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the root-raised cosine digital filter (RRC) of adjustable exponent number in above-mentioned second module.
Preferably, said method can have following characteristics:
Above-mentioned first pattern is the TD pattern, and above-mentioned first frequency range is a F-band, and above-mentioned first module is the TD module, and above-mentioned first control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the RRC of adjustable exponent number in above-mentioned first module;
Above-mentioned second pattern is the GSM pattern, above-mentioned second frequency range is the DCS1800 frequency range, above-mentioned second module is a gsm module, and above-mentioned second control module is the GSM control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the FIR of adjustable exponent number in above-mentioned second module.
Preferably, said method can have following characteristics:
The filter of adjustable exponent number is arranged in the first frequency range receive path of above-mentioned first module in above-mentioned first module;
The filter of adjustable exponent number is arranged in the second frequency range receive path of above-mentioned second module in above-mentioned second module.
The present invention also provides a kind of terminal, above-mentioned terminal comprises first module and the first corresponding control module of supporting first pattern, and second module and the second corresponding control module of supporting second pattern, and second frequency range in first frequency range in above-mentioned first pattern and above-mentioned second pattern is interference band each other, wherein:
Include the filter of adjustable exponent number in first frequency range receive path of above-mentioned first module and the second frequency range receive path of above-mentioned second module;
Above-mentioned first control module and second control module are used for the working frequency range and the state information of mutual first module and second module, judge that above-mentioned first module and above-mentioned second module are operated in the interference band of two patterns simultaneously, and when two patterns were in emission state and accepting state respectively, the filter that is in adjustable exponent number in above-mentioned first module of accepting state or above-mentioned second module was set to the high-order state.
Preferably, above-mentioned terminal can have following characteristics:
Above-mentioned first control module is to be used for and will to comprise that the working frequency range of above-mentioned first module and the information of operating state send to above-mentioned second control module;
Above-mentioned second control module, be to be used for as determining that above-mentioned second module is operated in second frequency range and is in emission state, when first module is operated in first frequency range and is in accepting state, then notify the filter of adjustable exponent number in above-mentioned first module of above-mentioned first control module to be set to the high-order state; As determining that above-mentioned second module is operated in second frequency range and is in accepting state, when first module was operated in first frequency range and is in emission state, the filter of adjustable exponent number was set to the high-order state in then above-mentioned second module.
Preferably, above-mentioned terminal also can have following characteristics:
Above-mentioned second control module also is used for then notifying the filter of adjustable exponent number in above-mentioned first module of above-mentioned first control module to be set to the low order state when definite above-mentioned second module is operated in non-second frequency range.
Preferably, above-mentioned terminal also can have following characteristics:
Above-mentioned first pattern is global system for mobile communications (GSM) pattern, above-mentioned first frequency range is Digital Cellular System (DCS) 1800 frequency ranges, above-mentioned first module is a gsm module, above-mentioned first control module is the GSM control module, and the filter of adjustable exponent number comprises the low pass filter (LPF) of adjustable exponent number and/or the finite impulse response digital filter (FIR) of adjustable exponent number in above-mentioned first module;
Above-mentioned second pattern is that TD SDMA inserts (TD) pattern, above-mentioned second frequency range is a F-band, above-mentioned second module is the TD module, above-mentioned second control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the root-raised cosine digital filter (RRC) of adjustable exponent number in above-mentioned second module.
Preferably, above-mentioned terminal also can have following characteristics:
Above-mentioned first pattern is the TD pattern, and above-mentioned first frequency range is a F-band, and above-mentioned first module is the TD module, and above-mentioned first control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the RRC of adjustable exponent number in above-mentioned first module;
Above-mentioned second pattern is the GSM pattern, above-mentioned second frequency range is the DCS1800 frequency range, above-mentioned second module is a gsm module, and above-mentioned second control module is the GSM control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the FIR of adjustable exponent number in above-mentioned second module.
Adopt technical scheme of the present invention, can be operated in the DCS frequency range at the terminal gsm module, when the TD module was operated in F-band simultaneously, GAM DCS frequency range and TD F-band receiving sensitivity were subjected under the situation of considerable influence, improve the receiving sensitivity of TD F-band and GSM DCS frequency range.
Description of drawings
Fig. 1 is the frequency band distribution map of existing GSM DCS frequency range and TD-SCDMA F-band;
Fig. 2 is the structural representation of GSM receive path embodiment of the present invention;
Fig. 3 is the structural representation of TD-SCDMA receive path embodiment of the present invention;
Fig. 4 is the information interaction schematic diagram that the present invention is provided with the filter embodiment of adjustable exponent number in gsm module and the TD module;
Fig. 5 is the flow chart that the present invention improves terminal receiving sensitivity method embodiment;
Fig. 6 is the structural representation of terminal embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme is described in further detail:
The invention provides a kind of method that improves the terminal receiving sensitivity, above-mentioned terminal comprises second module of first module of supporting first pattern and second pattern of support, and second frequency range in first frequency range in above-mentioned first pattern and above-mentioned second pattern is interference band each other, and said method comprises:
Be operated in the interference band of two patterns simultaneously when above-mentioned first module and above-mentioned second module, and when two patterns were in emission state and accepting state respectively, the filter that is in adjustable exponent number in above-mentioned first module of accepting state or above-mentioned second module was set to the high-order state.
Particularly, said method can adopt following scheme to realize:
First control module of the above-mentioned first module correspondence will comprise that the working frequency range of above-mentioned first module and the information of operating state send to second control module corresponding with above-mentioned second module;
Above-mentioned second control module is as determining that above-mentioned second module is operated in second frequency range and is in emission state, when first module is operated in first frequency range and is in accepting state, then notify the filter of adjustable exponent number in above-mentioned first module of first control module to be set to the high-order state;
Above-mentioned second control module is as determining that above-mentioned second module is operated in second frequency range and is in accepting state, and when above-mentioned first module was operated in first frequency range and is in emission state, the filter of adjustable exponent number was set to the high-order state in then above-mentioned second module;
Above-mentioned second control module then notifies the filter of adjustable exponent number in first control module, first module to be set to the low order state as determining that above-mentioned second module is operated in non-second frequency range.
Wherein, above-mentioned first pattern is global system for mobile communications (GSM) pattern, above-mentioned first frequency range is Digital Cellular System (DCS) 1800 frequency ranges, above-mentioned first module is a gsm module, above-mentioned first control module is the GSM control module, and the filter of adjustable exponent number comprises the low pass filter (LPF) of adjustable exponent number and/or the finite impulse response digital filter (FIR) of adjustable exponent number in above-mentioned first module; Above-mentioned second pattern is that TD SDMA inserts (TD) pattern, above-mentioned second frequency range is a F-band, above-mentioned second module is the TD module, above-mentioned second control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the root-raised cosine digital filter (RRC) of adjustable exponent number in above-mentioned second module.
Similarly, above-mentioned first pattern is the TD pattern, and above-mentioned first frequency range is a F-band, and above-mentioned first module is the TD module, above-mentioned first control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the RRC of adjustable exponent number in above-mentioned first module; Above-mentioned second pattern is the GSM pattern, above-mentioned second frequency range is the DCS1800 frequency range, above-mentioned second module is a gsm module, and above-mentioned second control module is the GSM control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the FIR of adjustable exponent number in above-mentioned second module.
Preferably, the filter of adjustable exponent number is arranged in the first frequency range receive path of above-mentioned first module in above-mentioned first module; The filter of adjustable exponent number is arranged in the second frequency range receive path of above-mentioned second module in above-mentioned second module.
Adopt technical scheme of the present invention, can be operated in the DCS frequency range at the terminal gsm module, when the TD module was operated in F-band simultaneously, GAM DCS frequency range and TD F-band receiving sensitivity were subjected under the situation of considerable influence, improve the receiving sensitivity of TD-SCDMA F-band and GSM DCS frequency range.
As shown in Figure 2, it is the structural representation of GSM receive path embodiment of the present invention, wherein, low noise amplifier, frequency mixer, low pass filter (LPF), analog gain amplifier (VGA), AD converter (ADC), finite impulse response digital filter (Finite Impulse Response, FIR) and digital variable gain amplifier (VGA) finish the receiving function of GSM 900 frequency ranges; Low noise amplifier, frequency mixer, tunable low pass filter (LPF_A), simulation VGA, ADC, adjustable FIR(FIR_A) and digital VGA finish the receiving function of GSM DCS frequency range.
Wherein, the GSM receive path in this embodiment and the distinctive points of existing GSM receive path are that the present invention has adopted LPF_A and FIR_A.
As shown in Figure 3, it is the structural representation of TD-SCDMA receive path embodiment of the present invention, wherein, low noise amplifier, frequency mixer, low pass filter LPF, simulation VGA, ADC, root-raised cosine digital filter (RRC) filter and digital VGA finish TD A frequency range receiving function; Low noise amplifier, frequency mixer, simulation low-pass filter (LPF_A), simulation VGA, ADC, adjustable RRC(RRC_A) and digital VGA finish the F-band receiving function.
Wherein, the GSM receive path in this embodiment and the distinctive points of existing GSM receive path are that the present invention has adopted LPF_A and RRC_A.
Preferably, (during 2010MHz-2025MHz), the exponent number of the filter LPF_A in the GSM receive path can be arranged on low step mode, thereby can avoid received signal through signal unnecessary attenuation in the passband behind the multi-stage filter when TD is operated in the A frequency range; When TD is operated in the F-band emission state, when GSM was operated in the DCS accepting state simultaneously, the LPF_A in this GSM receive path was arranged on higher order mode, to strengthen the decay of off-channel signal, improve the signal to noise ratio (snr) of AD converter input signal, thereby improve receiving sensitivity.
Preferably, when TD was operated in the A frequency range, the exponent number of the FIR_A digital filter in the GSM receive path was arranged on low step mode, with amount of calculation and the processing time that reduces DSP; When TD is operated in the F-band emission state, when GSM was operated in the DCS accepting state simultaneously, the FIR_A in this GSM receive path was arranged on higher order mode, to strengthen the decay to the off-channel signal of revealing ADC, improved receiving sensitivity.
Preferably, when GSM was operated in the GSM900 frequency range, the exponent number of the filter LPF_A in the TD receive path was arranged on low step mode, avoided received signal through signal unnecessary attenuation in the passband behind the multi-stage filter; When TD is operated in the F-band accepting state, when GSM was operated in the DCS emission state simultaneously, the LPF_A in this TD receive path was arranged on higher order mode, to strengthen the decay of off-channel signal, improved the SNR of AD converter input signal, thereby improved receiving sensitivity.
Preferably, when GSM was operated in the GSM900 frequency range, the exponent number of the FIR_A digital filter in the TD receive path was arranged on low step mode, with amount of calculation and the processing time that reduces DSP; When TD is operated in the F-band accepting state, when GSM was operated in the DCS emission state simultaneously, the FIR_A in this TD receive path was arranged on higher order mode, to strengthen the decay to the off-channel signal of revealing ADC, improved receiving sensitivity.
As shown in Figure 4, it is the information interaction schematic diagram that the present invention is provided with the filter embodiment of adjustable exponent number in gsm module and the TD module, the GSM control module reports the working frequency range and the operating state of GSM module to the TD-SCDMA control module in this embodiment, the TD control module compares the working frequency range of the gsm module of reception and the working frequency range and the operating state of operating state TD module detected with it, when gsm module is operated in DCS1800, and be in accepting state, the TD module is operated in F-band, and when being in emission state, the TD control module sends the order that filter is set to the GSM control module, said process is finished in digital baseband (DBB) inside, and the GSM control module is provided with the exponent number of the tunable filter in the gsm module according to mentioned order; When gsm module is operated in DCS1800, and be in emission state, the TD module is operated in F-band, and when being in accepting state, the TD control module is provided with the exponent number of tunable filter in the TD module; Particularly, GSM control module in the DBB and TD control module exponent number that the filter of gsm module and TD inside modules is set by Serial Peripheral Interface (SPI) interface.
Need to prove that the GSM receive path among Fig. 2 is arranged in the gsm module of Fig. 4, the TD receive path among Fig. 3 is arranged in the TD module of Fig. 4.
As shown in Figure 5, be the flow chart that the present invention improves terminal receiving sensitivity method embodiment, this method comprises:
During the work of step 502, TD module, the TD control module detects working frequency range, working channel and the operating state of the gsm module that reports constantly, and working frequency range, working channel and operating state that itself and TD module is current are done contrast;
After step 504, GSM control module are received configuration information, the exponent number of the tunable low pass filter LPF_A in the gsm module is set, and the exponent number of tunable digital filter FIR_A;
At this moment, tunable low pass filter LPF_A and digital filter FIR_A all are operated in the high-order state, and the inhibition with outer spurious signal is strengthened, and the signal to noise ratio of ADC input gets a promotion, and the sensitivity of final receiving terminal improves;
At this moment, LPF_A and FIR_A all are operated in the high-order state, and the inhibition with outer spurious signal is strengthened, and the signal to noise ratio of ADC input gets a promotion, and the sensitivity of final receiving terminal improves.
In addition, above-mentioned steps 503 and step 505 are the step of carrying out side by side, promptly do not have sequential relationship successively between step 503 and the step 505.
As shown in Figure 6, it is the structural representation of terminal embodiment of the present invention, above-mentioned terminal comprises first module 61 and the first corresponding control module 62 of first pattern of support, and second module 63 and the second corresponding control module 64 of supporting second pattern, and second frequency range in first frequency range in above-mentioned first pattern and above-mentioned second pattern is interference band each other, includes the filter of adjustable exponent number in first frequency range receive path of above-mentioned first module and the second frequency range receive path of above-mentioned second module; Above-mentioned first control module and second control module are used for the working frequency range and the state information of mutual first module and second module, judge that above-mentioned first module and above-mentioned second module are operated in the interference band of two patterns simultaneously, and when two patterns were in emission state and accepting state respectively, the filter that is in adjustable exponent number in above-mentioned first module of accepting state or above-mentioned second module was set to the high-order state.
Wherein, above-mentioned first control module is to be used for and will to comprise that the working frequency range of above-mentioned first module and the information of operating state send to above-mentioned second control module; Above-mentioned second control module is to be used for as determining that above-mentioned second module is operated in second frequency range and is in emission state, when first module is operated in first frequency range and is in accepting state, then notify the filter of adjustable exponent number in above-mentioned first module of above-mentioned first control module to be set to the high-order state; As determining that above-mentioned second module is operated in second frequency range and is in accepting state, when first module was operated in first frequency range and is in emission state, the filter of adjustable exponent number was set to the high-order state in then above-mentioned second module.
In addition, above-mentioned second control module also is used for then notifying the filter of adjustable exponent number in above-mentioned first module of above-mentioned first control module to be set to the low order state when definite above-mentioned second module is operated in non-second frequency range.
Wherein, above-mentioned first pattern is global system for mobile communications (GSM) pattern, above-mentioned first frequency range is Digital Cellular System (DCS) 1800 frequency ranges, above-mentioned first module is a gsm module, above-mentioned first control module is the GSM control module, and the filter of adjustable exponent number comprises the low pass filter (LPF) of adjustable exponent number and/or the finite impulse response digital filter (FIR) of adjustable exponent number in above-mentioned first module; Above-mentioned second pattern is that TD SDMA inserts (TD) pattern, above-mentioned second frequency range is a F-band, above-mentioned second module is the TD module, above-mentioned second control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the root-raised cosine digital filter (RRC) of adjustable exponent number in above-mentioned second module; Perhaps, above-mentioned first pattern is the TD pattern, and above-mentioned first frequency range is a F-band, and above-mentioned first module is the TD module, above-mentioned first control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the RRC of adjustable exponent number in above-mentioned first module; Above-mentioned second pattern is the GSM pattern, above-mentioned second frequency range is the DCS1800 frequency range, above-mentioned second module is a gsm module, and above-mentioned second control module is the GSM control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the FIR of adjustable exponent number in above-mentioned second module.
Said GSM control module and TD control module are arranged in DBB.
Above-mentioned terminal can improve the sensitivity of reception, and the specific implementation method is identical with raising terminal sensitivity of method embodiment, repeats no more herein.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, said procedure can be stored in the computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment the present invention is had been described in detail.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. method that improves the terminal receiving sensitivity, described terminal comprises second module of first module of supporting first pattern and second pattern of support, and second frequency range in first frequency range in described first pattern and described second pattern is interference band each other, and described method comprises:
Be operated in the interference band of two patterns simultaneously when described first module and described second module, and when two patterns were in emission state and accepting state respectively, the filter that is in adjustable exponent number in described first module of accepting state or described second module was set to the high-order state.
2. method according to claim 1 is characterized in that:
Described first module and described second module are operated in the interference band of two patterns simultaneously, and when two patterns are in emission state and accepting state respectively, the filter that is in adjustable exponent number in described first module of accepting state or described second module is set to the high-order state, comprising:
First control module of the described first module correspondence will comprise that the working frequency range of described first module and the information of operating state send to second control module corresponding with described second module;
Described second control module is operated in second frequency range and is in emission state as second module as described in determining, when first module is operated in first frequency range and is in accepting state, then notify the filter of adjustable exponent number in described first module of first control module to be set to the high-order state;
Described second control module is operated in second frequency range and is in accepting state as second module as described in determining, when described first module was operated in first frequency range and is in emission state, the filter of adjustable exponent number was set to the high-order state in then described second module.
3. method according to claim 2 is characterized in that:
Described first pattern is global system for mobile communications (GSM) pattern, described first frequency range is Digital Cellular System (DCS) 1800 frequency ranges, described first module is a gsm module, described first control module is the GSM control module, and the filter of adjustable exponent number comprises the low pass filter (LPF) of adjustable exponent number and/or the finite impulse response digital filter (FIR) of adjustable exponent number in described first module;
Described second pattern is that TD SDMA inserts (TD) pattern, described second frequency range is a F-band, described second module is the TD module, described second control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the root-raised cosine digital filter (RRC) of adjustable exponent number in described second module.
4. method according to claim 2 is characterized in that:
Described first pattern is the TD pattern, and described first frequency range is a F-band, and described first module is the TD module, and described first control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the RRC of adjustable exponent number in described first module;
Described second pattern is the GSM pattern, described second frequency range is the DCS1800 frequency range, described second module is a gsm module, and described second control module is the GSM control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the FIR of adjustable exponent number in described second module.
5. according to the described method of the arbitrary claim of claim 1-4, it is characterized in that:
The filter of adjustable exponent number is arranged in the first frequency range receive path of described first module in described first module;
The filter of adjustable exponent number is arranged in the second frequency range receive path of described second module in described second module.
6. terminal, described terminal comprises first module and the first corresponding control module of supporting first pattern, and second module and the second corresponding control module of supporting second pattern, and second frequency range in first frequency range in described first pattern and described second pattern is interference band each other, it is characterized in that:
Include the filter of adjustable exponent number in first frequency range receive path of described first module and the second frequency range receive path of described second module;
Described first control module and second control module are used for the working frequency range and the state information of mutual first module and second module, judge that described first module and described second module are operated in the interference band of two patterns simultaneously, and when two patterns were in emission state and accepting state respectively, the filter that is in adjustable exponent number in described first module of accepting state or described second module was set to the high-order state.
7. terminal according to claim 6 is characterized in that:
Described first control module is to be used for and will to comprise that the working frequency range of described first module and the information of operating state send to described second control module;
Described second control module, be to be used for being operated in second frequency range and being in emission state as second module as described in determining, when first module is operated in first frequency range and is in accepting state, then notify the filter of adjustable exponent number in described first module of described first control module to be set to the high-order state; Be operated in second frequency range and be in accepting state as second module as described in determining, when first module was operated in first frequency range and is in emission state, the filter of adjustable exponent number was set to the high-order state in then described second module.
8. according to claim 6 or 7 described terminals, it is characterized in that:
Described second control module also is used for then notifying the filter of adjustable exponent number in described first module of described first control module to be set to the low order state when definite described second module is operated in non-second frequency range.
9. terminal according to claim 8 is characterized in that:
Described first pattern is global system for mobile communications (GSM) pattern, described first frequency range is Digital Cellular System (DCS) 1800 frequency ranges, described first module is a gsm module, described first control module is the GSM control module, and the filter of adjustable exponent number comprises the low pass filter (LPF) of adjustable exponent number and/or the finite impulse response digital filter (FIR) of adjustable exponent number in described first module;
Described second pattern is that TD SDMA inserts (TD) pattern, described second frequency range is a F-band, described second module is the TD module, described second control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the root-raised cosine digital filter (RRC) of adjustable exponent number in described second module.
10. terminal according to claim 8 is characterized in that:
Described first pattern is the TD pattern, and described first frequency range is a F-band, and described first module is the TD module, and described first control module is the TD control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the RRC of adjustable exponent number in described first module;
Described second pattern is the GSM pattern, described second frequency range is the DCS1800 frequency range, described second module is a gsm module, and described second control module is the GSM control module, and the filter of adjustable exponent number comprises the LPF of adjustable exponent number and/or the FIR of adjustable exponent number in described second module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069279.5A CN102149223B (en) | 2011-03-22 | 2011-03-22 | Method for improving terminal receiving sensitivity and terminal |
| PCT/CN2011/083480 WO2012126260A1 (en) | 2011-03-22 | 2011-12-05 | Method for improving receiving sensitivity of terminal and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069279.5A CN102149223B (en) | 2011-03-22 | 2011-03-22 | Method for improving terminal receiving sensitivity and terminal |
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| CN102149223A true CN102149223A (en) | 2011-08-10 |
| CN102149223B CN102149223B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110069279.5A Active CN102149223B (en) | 2011-03-22 | 2011-03-22 | Method for improving terminal receiving sensitivity and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102149223B (en) |
| WO (1) | WO2012126260A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307352A (en) * | 2011-08-22 | 2012-01-04 | 中兴通讯股份有限公司 | Method, device and terminal for coexistence of adjacent frequency bands |
| WO2012126260A1 (en) * | 2011-03-22 | 2012-09-27 | 中兴通讯股份有限公司 | Method for improving receiving sensitivity of terminal and terminal |
| CN105430756A (en) * | 2014-09-11 | 2016-03-23 | 中国移动通信集团公司 | Method of adjusting reception sensitivity and access point |
| CN109600851A (en) * | 2018-11-05 | 2019-04-09 | 力同科技股份有限公司 | Communication means and intercom, computer readable storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170528A (en) * | 2007-09-14 | 2008-04-30 | 浙江华立通信集团有限公司 | TD-SCDMA and 3G terminal digital base band filter |
| CN101222693A (en) * | 2007-01-09 | 2008-07-16 | 中兴通讯股份有限公司 | Mobile terminal and method for implementing double-mode and double-standby |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005039765A (en) * | 2003-06-25 | 2005-02-10 | Renesas Technology Corp | Multimode radio terminal and radio transmitting/receiving part |
| JP2006197368A (en) * | 2005-01-14 | 2006-07-27 | Matsushita Electric Ind Co Ltd | Multi-mode communication equipment |
| CN101043228A (en) * | 2007-02-01 | 2007-09-26 | 宇龙计算机通信科技(深圳)有限公司 | Multi-mode mobile communication terminal and RF receiving and transmitting circuit, method |
| CN101959300B (en) * | 2010-04-02 | 2013-05-15 | 展讯通信（上海）有限公司 | Automatic frequency control method of double-mode terminal and double-mode terminal |
| CN102149223B (en) * | 2011-03-22 | 2014-10-22 | 中兴通讯股份有限公司 | Method for improving terminal receiving sensitivity and terminal |
-
2011
- 2011-03-22 CN CN201110069279.5A patent/CN102149223B/en active Active
- 2011-12-05 WO PCT/CN2011/083480 patent/WO2012126260A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222693A (en) * | 2007-01-09 | 2008-07-16 | 中兴通讯股份有限公司 | Mobile terminal and method for implementing double-mode and double-standby |
| CN101170528A (en) * | 2007-09-14 | 2008-04-30 | 浙江华立通信集团有限公司 | TD-SCDMA and 3G terminal digital base band filter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126260A1 (en) * | 2011-03-22 | 2012-09-27 | 中兴通讯股份有限公司 | Method for improving receiving sensitivity of terminal and terminal |
| CN102307352A (en) * | 2011-08-22 | 2012-01-04 | 中兴通讯股份有限公司 | Method, device and terminal for coexistence of adjacent frequency bands |
| CN102307352B (en) * | 2011-08-22 | 2017-07-07 | 中兴通讯股份有限公司 | The method of coexistence of adjacent frequency bands, device and terminal |
| CN105430756A (en) * | 2014-09-11 | 2016-03-23 | 中国移动通信集团公司 | Method of adjusting reception sensitivity and access point |
| CN109600851A (en) * | 2018-11-05 | 2019-04-09 | 力同科技股份有限公司 | Communication means and intercom, computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102149223B (en) | 2014-10-22 |
| WO2012126260A1 (en) | 2012-09-27 |
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