CN107204786B - A kind of switching method and mobile terminal of signal receiving path - Google Patents

Abstract

The present invention provides the switching method and mobile terminal of a kind of signal receiving path, wherein this method comprises: obtaining the signal strength and the first handoff threshold value for passing through the received downlink signal of the first receiving path；When the signal strength of downlink signal is less than the first handoff threshold value, control mobile terminal is switched to from the first receiving path to the second receiving path, and receives downlink signal by the second receiving path；Include filter in first receiving path, does not include filter in the second receiving path.The switching method and mobile terminal of the signal receiving path provided through the embodiment of the present invention, it can be improved the receiving sensitivity of downlink signal, obtain preferable downlink communication quality, improve encoding rate, reduce retransmission rate, and then it can save due to receiving the electricity additionally consumed again, additionally it is possible to increase communication distance, improve user experience.

Description

A kind of switching method and mobile terminal of signal receiving path

Technical field

The present invention relates to field of communication technology more particularly to a kind of switching methods and mobile terminal of signal receiving path.

Background technique

In a communications system, SAW (Surface Acoustic Wave, surface acoustic wave are usually added into signal receiving path Filter) or the filters such as BAW (Bulk Acoustic Wave, body acoustic filter wave), reception is able to suppress by filter Very noisy except frequency band avoids very noisy that LNA (Low Noise Amplifier, low-noise amplifier) is caused to be saturated, avoids Enter LNA generation intermodulation product with outer very noisy and fall in and receive in frequency range, to avoid influencing receptivity.It is filtered being added In the signal receiving path of device, there are inevitable Insertion Loss for filter, and because filter causes port Impedance not enough to restrain, this Sample can cause downstream signal reception centainly to decay, in this way, in the case of the signal strength of downlink signal is weaker, due to filtering The Insertion Loss and port Impedance of device are not restrained, it will are caused signal receiving sensitivity to decline, influenced user experience.

Summary of the invention

The technical problem to be solved in the present invention is to provide the switching methods and mobile terminal of a kind of signal receiving path, with solution Certainly in the case of the signal strength of downlink signal is weaker, since filter Insertion Loss and port Impedance do not restrain and signal are caused to connect The problem of receiving sensitivity decline.

In a first aspect, the embodiment of the present invention provides a kind of switching method of signal receiving path, it is applied to mobile terminal, it should Method includes:

Obtain the signal strength and the first handoff threshold value for passing through the received downlink signal of the first receiving path；

When the signal strength of downlink signal is less than the first handoff threshold value, control mobile terminal is cut from the first receiving path It shifts to the second receiving path, and downlink signal is received by the second receiving path；It include filter in first receiving path, It does not include filter in second receiving path.

Second aspect, the embodiment of the present invention provide a kind of mobile terminal, comprising:

Module is obtained, for obtaining the signal strength and the first switching that pass through the received downlink signal of the first receiving path Threshold value；

Switching module, when for the signal strength in downlink signal less than the first handoff threshold value, control mobile terminal from First receiving path is switched to the second receiving path, and receives downlink signal by the second receiving path；In first receiving path Include filter, does not include filter in the second receiving path.

The third aspect, the embodiment of the present invention provide a kind of mobile terminal, comprising: memory, processor and are stored in storage On device and the application program that can run on a processor, the processor realize above-mentioned signal receiving path when executing the application program Switching method in step.

It does not include the second receiving path of filter by increase in the embodiment of the present invention, it is strong in the signal of downlink signal In the case of degree is weaker, control mobile terminal is switched to the second receiving path from the first receiving path, and receives and lead to by second Road receives downlink signal, can be improved the receiving sensitivity of downlink signal, obtains preferable downlink communication quality, improves coding Rate reduces retransmission rate, and then can save due to receiving the electricity additionally consumed again, additionally it is possible to increase communication distance, improve User experience.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 shows the flow diagrams of the switching method of signal receiving path provided in an embodiment of the present invention；

Fig. 2 indicates a kind of one of structural schematic diagram of mobile terminal provided in an embodiment of the present invention；

Fig. 3 indicates a kind of second structural representation of mobile terminal provided in an embodiment of the present invention；

Fig. 4 indicates a kind of topology example figure for the mobile terminal that specific example of the present invention provides；

Fig. 5 indicates another topology example figure for the mobile terminal that specific example of the present invention provides；

Fig. 6 indicates another structural schematic diagram of mobile terminal provided in an embodiment of the present invention；

Fig. 7 indicates another structural schematic diagram of mobile terminal provided in an embodiment of the present invention.

Specific embodiment

To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.

Referring to Figure 1, show that the process of the switching method of signal receiving path provided in an embodiment of the present invention is shown It is intended to, the embodiment of the present invention provides a kind of switching method of signal receiving path, is applied to mobile terminal, which can be with Including such as mobile phone, tablet computer, laptop computer (Laptop Computer), personal digital assistant (Personal Digital Assistant, PDA) or the electronic equipments such as wearable device (Wearable Device).

Increase in the embodiment of the present invention, in mobile terminal not include filter the second receiving path, it is weaker in signal Downlink signal is received by switch to the second receiving path under situation, to eliminate filter for downstream signal reception bring not Good influence improves the receiving sensitivity of downlink signal.The switching method of the signal receiving path may comprise steps of:

Step 101, the signal strength and the first handoff threshold for passing through the received downlink signal of the first receiving path are obtained Value.

Step 102, when the signal strength of downlink signal is less than the first handoff threshold value, control mobile terminal connects from first It receives access and is switched to the second receiving path, and downlink signal is received by the second receiving path；Include in first receiving path Filter does not include filter in the second receiving path.

Here, mobile terminal receives downlink signal by the first receiving path, includes filtering in first receiving path Device, in this way, being able to suppress out-of-band interference when mobile terminal receives downlink signal by the first receiving path.But filter There are Insertion Loss, and because filter causes port Impedance not enough to restrain, and can cause centainly to decay to downlink signal, generally 2~ 3.5dB, in the case of the signal strength of downlink signal is weaker, the first receiving path will lead to downlink signal due to filter Receiving sensitivity decline.Therefore, in above-described embodiment, when mobile terminal receives downlink signal by the first receiving path, When the signal strength of downlink signal is less than corresponding first handoff threshold value, i.e., situation weaker in the signal strength of downlink signal Under, control mobile terminal is switched to the second receiving path from the first receiving path, and receives downlink letter by the second receiving path Number, in this way, since the second receiving path does not have the Insertion Loss of filter, and port Impedance more restrains, and can be improved downlink signal Receiving sensitivity, obtain preferable downlink communication quality, improve encoding rate, reduce retransmission rate, and then can save due to weight The electricity additionally consumed is newly received, simultaneously, additionally it is possible to increase communication distance.

Wherein, the first handoff threshold value be it is preset for judge the signal strength of the downlink signal whether meet from First receiving path switches to the threshold value of the second receiving path.

Wherein, in embodiments of the present invention, the mode for obtaining the signal strength of downlink signal may include obtaining RSSI The mode and acquisition RSRP of (Received Signal Strength Indication, received signal strength indicator) One or both of the mode of (Reference Signal Receiving Power, Reference Signal Received Power).Specifically , in one example, when mobile terminal receives downlink signal by the first receiving path, available RSSI or RSRP, Then by the RSSI or RSRP that get, the signal strength of downlink signal is obtained.

Wherein, in one embodiment, in step 101, obtain the first handoff threshold value the step of, may include following step It is rapid:

Obtain corresponding first frequency range of downlink signal；When the reception frequency range of second receiving path includes the first frequency range, according to The mapping table of preset frequency range and handoff threshold value obtains the corresponding first handoff threshold value of downlink signal.

It include corresponding first frequency range of downlink signal in the reception frequency range for determining the second receiving path, i.e., in the embodiment When second receiving path can transmit the downlink signal for receiving first frequency range, searches preset frequency range using lookup table mode and cut Change the mapping table of threshold value, obtain the corresponding first handoff threshold value of downlink signal, in order to subsequent step can according to this One switching threshold value judges whether that controlling mobile terminal is switched to the second receiving path from the first receiving path.

In some embodiments of the invention, for reduce mobile terminal increase the second receiving path bring space and at This, which can carry out frequency range adjustment matching by software programmable adaptation adjuster (Tuner), make same Second receiving path can receive the downlink signal of different frequency range, to reduce the setting quantity of the second receiving path, save empty Between and cost.For this purpose, in one embodiment, in step 102, controlling mobile terminal from the first receiving path and being switched to the second reception Access, and by the second receiving path receive downlink signal before, further includes:

Obtain adjusting parameter corresponding with the first frequency range；According to adjusting parameter, the reception frequency range of the second receiving path is adjusted, So that the second receiving path receives the first frequency range.

In above-described embodiment, after obtaining corresponding first frequency range of downlink signal, according to the downlink signal corresponding first Frequency range determines corresponding adjusting parameter, and Tuner adjusts the reception frequency range of the second receiving path based on the adjusting parameter, to make Second receiving path can adapt to receive the downlink signal of first frequency range.

In one example, on the basis of considering space and cost, to be connect convenient for the second receiving path to downlink signal Receive transmission, which includes high-frequency reception access for receiving the downlink signal of high-frequency band and for receiving The low frequency reception access of the downlink signal of low frequency band.In the example, when the first frequency range is low frequency band, Tuner is according to obtaining The adjusting parameter corresponding with the first frequency range obtained adjusts low frequency reception access, and low frequency reception access is made to adapt to receive the first frequency range Downlink signal；When the first frequency range is high-frequency band, Tuner is adjusted according to the adjusting parameter corresponding with the first frequency range of acquisition Whole high-frequency reception access makes high-frequency reception access adapt to receive the downlink signal of the first frequency range.

In some embodiments of the invention, step 102, in the signal strength of downlink signal less than the first handoff threshold value When, control mobile terminal is switched to the second receiving path from the first receiving path, and receives downlink letter by the second receiving path Number the step of, comprising:

When the signal strength of downlink signal is less than the first handoff threshold value, and do not detect that reception is logical in the predetermined time Road controls mobile terminal from the first receiving path and is switched to the second receiving path there are strong jamming mark, and receives by second Access receives downlink signal.

Here, which will affect the reception of downlink signal for indicating there is stronger out-of-band interference.Therefore, In above-described embodiment, when detecting the presence of strong jamming mark in the given time, then signal receiving path is not switched over, Control mobile terminal continues through the first receiving path and receives downlink signal；When the signal strength of downlink signal is less than the first switching Threshold value, while strong jamming mark is not detected the presence of in the predetermined time, it is, the signal strength of downlink signal it is weaker and In the case of out-of-band interference is weaker, control mobile terminal is switched to the second receiving path from the first receiving path, and mobile terminal is logical It crosses the second receiving path and receives downlink signal.In such manner, it is possible to improve the receiving sensitivity of downlink signal, it is logical to obtain preferable downlink Believe quality, increases communication distance.

In some embodiments of the embodiment of the present invention, the second reception is switched to from the first receiving path in control mobile terminal After access, judge whether out-of-band interference influences second signal access and receive downlink signal, and determines that signal connects according to judging result Receiving access is the first signal path or second signal access, to guarantee that mobile terminal can have connecing for preferable downlink signal Receive sensitivity and downlink communication quality.In addition, label is strong when out-of-band interference influences second signal access reception downlink signal Interference indicator by marking the strong jamming mark, can be avoided cutting for mobile terminal frequent progress signal receiving path here It changes.

Specifically, can have for the judgement whether out-of-band interference influences second signal access reception downlink signal following several Kind implementation.

Implementation one:

The implementation one, after control mobile terminal is switched to the second receiving path from the first receiving path, by right The signal quality of signal receiving path switching front and back is compared, and judges whether out-of-band interference influences under the reception of second signal access Row signal determines the signal receiving path of downlink signal.

Specifically, in step 102, controlling mobile terminal in the implementation one from the first receiving path and being switched to second Receiving path, and after receiving downlink signal by the second receiving path, the switching method of above-mentioned signal receiving path can be with The following steps are included:

The first signal quality when downlink signal is received by the first receiving path is obtained, and, it is received by second logical Second signal quality when road receives.

In the step, the first signal quality and second signal quality of downlink signal, here, the letter of downlink signal are obtained Number quality can be obtained according to RSRQ (Reference Signal Receiving Quality, Reference Signal Received Quality), It can also be obtained according to SINR (Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio) ?.Specifically, in the step, when mobile terminal receives downlink signal by the first receiving path, the first RSRQ or the is obtained One SINR, and the first signal quality is obtained according to the first RSRQ or the first SINR；Pass through the second receiving path in mobile terminal When receiving downlink signal, the 2nd RSRQ or the 2nd SINR is obtained, and second signal is obtained according to the 2nd RSRQ or the 2nd SINR Quality.

When second signal quality is less than or equal to the first signal quality, it is logical that the first reception is switched back into from the second receiving path Road, and mark strong jamming mark.

In the step, the first signal quality and second signal quality got according to previous step determines and receives downlink The signal receiving path of signal.Specifically, passing through the second receiving path when second signal quality is higher than the first signal quality The signal quality that downlink signal improves downlink signal is received, control mobile terminal continues through the second receiving path and receives downlink Signal；When second signal quality is less than or equal to the first signal quality, i.e., downlink signal is received not by the second receiving path The signal quality of downlink signal can be improved, at this point, influence of the out-of-band interference for downstream signal reception is stronger, controls mobile terminal The first receiving path is switched back into from the second receiving path, downlink signal is received by the first receiving path, simultaneously as with outer dry Disturb relatively strong, label strong jamming mark.

Implementation two:

The implementation two is determined and is moved after control mobile terminal is switched to the second receiving path from the first receiving path The out-of-band interference distribution of dynamic terminal surrounding, judges whether out-of-band interference influences second signal access and receive downlink signal, then really Determine the signal receiving path of downlink signal.

Specifically, in step 102, controlling mobile terminal in the implementation two from the first receiving path and being switched to second Receiving path, and after receiving downlink signal by the second receiving path, the switching method of above-mentioned signal receiving path can be with The following steps are included:

Obtain out-of-band noise intensity when downlink signal is transmitted by second receiving path.

In the step, after control mobile terminal switches to the second receiving path, scanned by the second receiving path complete Frequency range determines the out-of-band interference distribution around mobile terminal, obtains current out-of-band noise intensity.

When out-of-band noise intensity is greater than or equal to preset value, the first receiving path is switched back into from the second receiving path, and Mark strong jamming mark.

In the step, it is compared according to the out-of-band noise intensity that previous step obtains with preset preset value, When out-of-band noise intensity is less than preset value, control mobile terminal continues through the second receiving path and receives downlink signal；When band is outer When noise intensity is greater than or equal to preset value, at this point, influence of the out-of-band interference for downstream signal reception is stronger, control mobile whole End switches back into the first receiving path from the second receiving path, downlink signal is received by the first receiving path, simultaneously as with outer Interfere stronger, label strong jamming mark.It is obtained it should be noted that the preset value can first pass through in advance experiment, it can also be according to going through History experience is preset.

Implementation three:

The implementation three, after control mobile terminal is switched to the second receiving path from the first receiving path, by right Signal receiving path switching front and back, the communication quality of mobile terminal practical communication are compared, and judge whether out-of-band interference influences Second signal access receives downlink signal, determines the signal receiving path of downlink signal.

Specifically, in step 102, controlling mobile terminal in the implementation three from the first receiving path and being switched to second Receiving path, and after receiving downlink signal by the second receiving path, the switching method of above-mentioned signal receiving path can be with The following steps are included:

The first communication quality when receiving downlink signal by the first receiving path is obtained, and, it is received by second logical Road receives the second communication quality when downlink signal.

In the step, the first communication quality and the second communication quality are obtained, here, communication quality can be believed according to downlink Transmission rate number in signal receiving path obtains.Specifically, receiving downlink letter by the first receiving path in mobile terminal Number when, obtain the first transmission rate of downlink signal, and the first communication quality is obtained according to first transmission rate；Mobile whole When end is switched to the second receiving path reception downlink signal, the second transmission rate of downlink signal is obtained, and according to the second transmission Rate obtains the second communication quality.

When the second communication quality is less than or equal to the first communication quality, it is logical that the first reception is switched back into from the second receiving path Road, and mark strong jamming mark.

In the step, the first communication quality and the second communication quality got according to previous step determines and receives downlink The signal receiving path of signal.Specifically, passing through the second receiving path when the second communication quality is higher than the first communication quality It receives downlink signal and improves communication quality, control mobile terminal continues through the second receiving path and receives downlink signal；When When two communication qualities are less than or equal to the first communication quality, i.e., downlink signal are received by the second receiving path and fail to improve downlink The signal quality of signal, at this point, influence of the out-of-band interference for downstream signal reception is stronger, control mobile terminal is received from second Access switches back into the first receiving path, receives downlink signal by the first receiving path, simultaneously as out-of-band interference is stronger, mark Remember strong jamming mark.

In the embodiment of the present invention, middle one kind in above-mentioned three kinds of implementations can be taken separated from according to actual use scene Or it is a variety of come judge out-of-band interference whether influence second signal access receive downlink signal.Wherein, implementation one can be instant The signal quality for obtaining signal receiving path switching front and back, suitable for requiring the usage scenario of instant messaging；Implementation two by Out-of-band noise intensity is obtained in needing to scan, suitable for not requiring the usage scenario of instant messaging；And implementation three is by obtaining The communication quality in practical communication is taken, the supplement judgment mode of mode one and implementation two is realized as, to guarantee to move Dynamic terminal can obtain the receiving sensitivity and downlink communication quality of better downlink signal.In addition, it is necessary to explanation, By any two kinds in above-mentioned three kinds of implementations or all it is combined in use, the implementation being used in combination is held parallel Row in other words in a variety of implementations being used in combination, has any implementation to judge to obtain out-of-band interference influence When second signal access receives downlink signal, then mobile terminal is controlled from the second receiving path and is switched to the first receiving path.

Step 102, control mobile terminal is switched to the second receiving path from the first receiving path, and receives and lead to by second After road receives downlink signal, the switching method of above-mentioned signal receiving path can with the following steps are included:

Obtain the corresponding second handoff threshold value of downlink signal；

When the signal strength of downlink signal is greater than the second handoff threshold value, control mobile terminal receives logical from described second Road is switched to the first receiving path, and receives downlink signal by the first receiving path.

Here, it determines the corresponding frequency range of downlink signal, and according to the mapping table of preset frequency range and handoff threshold value, determines The corresponding second handoff threshold value of downlink signal, the second handoff threshold value are preset for judging the letter of downlink signal Whether number intensity meets the threshold value that the first receiving path is switched to from the second receiving path.

Wherein, in one embodiment, which is greater than the first handoff threshold value.In such manner, it is possible to avoid moving Dynamic terminal frequent switching between the first receiving path and the second receiving path.

In addition, method provided in an embodiment of the present invention is primarily adapted for use in TDD (Time Division Duplexing, time-division Duplex) communication system in, such as GSM (Global System for Mobile Communication, global mobile communication System), (Time Division-Synchronous Code Division Multiple Access, time-division are same by TD-SCDMA Walk CDMA) main collection diversity reception；Also such as WIFI (Wireless Fidelity), Bluetooth, 5G communication etc..This Outside, method provided in an embodiment of the present invention can be applicable to CDMA (Code Division Multiple Access, code point Multiple access) or the diversity of WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access) connect It receives；It can be applicable to diversity antenna FDD (the Frequency Division sufficiently large with the isolation of main collection antenna Duplexing, frequency division duplex) diversity reception.

The switching method of signal receiving path provided in an embodiment of the present invention does not include the second of filter connecing by increasing Access is received, in the case of the signal strength of downlink signal is weaker, mobile terminal is controlled from the first receiving path and is switched to second Receiving path, and downlink signal is received by the second receiving path, it can be improved the receiving sensitivity of downlink signal, obtain preferable Downlink communication quality, improve encoding rate, reduce retransmission rate, and then can save due to receiving the electricity additionally consumed again, Communication distance can also be increased, improve user experience.

Based on above method, the embodiment of the invention also provides the mobile terminals to implement the above method.

Fig. 2 is referred to, shows a kind of structural schematic diagram of mobile terminal provided in an embodiment of the present invention, the present invention Embodiment provides a kind of mobile terminal 200, which includes such as mobile phone, tablet computer, laptop computer, individual The electronic equipments such as digital assistants or wearable device.

The mobile terminal 200 may include: the first acquisition module 201 and the first switching module 202.

First obtains module 201, for obtaining through the signal strength of the received downlink signal of the first receiving path and First handoff threshold value；

First switching module 202, when for the signal strength in downlink signal less than the first handoff threshold value, control movement Terminal is switched to the second receiving path from the first receiving path, and receives downlink signal by the second receiving path；First receives Include filter in access, does not include filter in the second receiving path.

Fig. 3 is referred to, shows a kind of second structural representation of mobile terminal provided in an embodiment of the present invention.

In one embodiment of this invention, in mobile terminal 200, the first acquisition module 201 may include: the first acquisition list Member 2011 and second acquisition unit 2012.

First acquisition unit 2011, for obtaining corresponding first frequency range of downlink signal；

Second acquisition unit 2012, when the reception frequency range for the second receiving path includes the first frequency range, according to preset The mapping table of frequency range and handoff threshold value obtains the corresponding first handoff threshold value of downlink signal.

In some embodiments, the first switching module 202 may include: third acquiring unit 2021 and adjustment unit 2022。

Third acquiring unit 2021, for obtaining adjusting parameter corresponding with the first frequency range；

Adjustment unit 2022, for adjusting the reception frequency range of the second receiving path according to adjusting parameter, so that second receives Access receives the first frequency range.

In some embodiments of the invention, the first switching module 202 may include: switch unit 2023.

Switch unit 2023, when for the signal strength in downlink signal less than the first handoff threshold value, and the predetermined time Receiving path is not detected inside there are strong jamming mark, and control mobile terminal is switched to the second reception from the first receiving path and leads to Road, and downlink signal is received by the second receiving path.

In some embodiments, mobile terminal 200 can also include: the second acquisition module 203 and the second switching module 204。

Second obtains module 203, for obtaining the first signal quality when downlink signal is received by the first receiving path, And second signal quality when being received by the second receiving path；

Second switching module 204, for being received from second when second signal quality is less than or equal to the first signal quality Access switches back into the first receiving path, and marks strong jamming mark.

In some embodiments, mobile terminal 200 can also include: that third obtains module 205 and third switching module 206。

Third obtains module 205, for obtaining out-of-band noise intensity when downlink signal is transmitted by the second receiving path；

Third switching module 206, for being cut from the second receiving path when out-of-band noise intensity is greater than or equal to preset value The first receiving path is gained, and marks strong jamming mark.

In some embodiments, mobile terminal 200 can also include: the 4th acquisition module 207 and the 4th switching module 208。

4th obtains module 207, receives the first communication quality when downlink signal by the first receiving path for obtaining, And the second communication quality when by the second receiving path reception downlink signal；

4th switching module 208, for being received from second when the second communication quality is less than or equal to the first communication quality Access switches back into the first receiving path, and marks strong jamming mark.

In addition, in some embodiments, mobile terminal 200 can also include: the 5th acquisition module 209 and the 5th switching Module 210.

5th obtains module 209, for obtaining the corresponding second handoff threshold value of downlink signal；

5th switching module 210, when being greater than the second handoff threshold value for the signal strength in downlink signal, control movement Terminal is switched to the first receiving path from the second receiving path, and receives downlink signal by the first receiving path.

In one embodiment, to avoid mobile terminal frequent switching between the first receiving path and the second receiving path, Second handoff threshold value is greater than the first handoff threshold value.

In specifically used example, mobile terminal includes transceiver, antenna and filter, wherein the reception of transceiver End connect to form the first receiving path with antenna by filter, is also connected with the second reception between the receiving end and antenna of transceiver Access, which does not include filter, which carries out frequency range adjustment matching by Tuner.

Fig. 4 is referred to, a kind of topology example figure for the mobile terminal that specific example of the present invention provides is shown, one In specific example, which further includes downlink signal intensive analysis module 401, table look-up module 402, downlink signal matter Measure analysis module 403, practical communication quality analysis module 404, comparison module 405, control module 406 and access switching module 407。

Wherein, downlink signal intensive analysis module 401 is connect with control module 406, for being obtained by RSSI or RSRP The signal strength of downlink signal is taken, and the signal strength of downlink signal is sent to control module 406.Table look-up module 402 and control Molding block 406 connects, and for obtaining corresponding first frequency range of downlink signal, tables look-up and obtains the corresponding first switching door of the first frequency range Limit value, the second handoff threshold value and adjusting parameter, and by checking result (the first handoff threshold value, the second handoff threshold value with And adjusting parameter) it is sent to control module 406.Downlink signal quality analysis module 403 is connect with comparison module 405, for obtaining The first signal quality and downlink signal when downlink signal being taken to receive by the first receiving path are connect by the second receiving path The second signal quality in time receiving, and the first signal quality and second signal quality are sent to comparison module 405.Practical communication matter Amount analysis module 404 is connect with comparison module 405, and first when receiving downlink signal by the first receiving path for obtaining is logical The second communication quality when believing quality and receiving downlink signal by the second receiving path, and by the first communication quality and second Communication quality is sent to comparison module 405.Comparison module 405 is connect with control module 406, for compare the first signal quality and Second signal quality obtains the first comparison result, and the first comparison result is sent to control module 406, is also used to compare One communication quality and the second communication quality obtain the second comparison result, and the second comparison result are sent to control module 406. Control module 406 is connect with access switching module 407, for comparing the signal strength and the first handoff threshold of downlink signal Value, obtains third comparison result, and according to the first comparison result, the second comparison result and third comparison result judgement signal connect It receives access and is switched to the first receiving path or the second receiving path, and judging result is sent to access switching module 407；True When determining to be switched to the second receiving path from the first receiving path, adjusting parameter is sent to access switching module 407.Access switching Module 407 is used for the judging result switching signal receiving path according to control module, and when judging result is to receive to lead to from first When road is switched to the second receiving path, while the switching of signal receiving path, the second receiving path is adjusted according to adjusting parameter Reception frequency range.

Fig. 5 is referred to, shows another topology example figure for the mobile terminal that specific example of the present invention provides, In another specific example, which further includes downlink signal intensive analysis module 501, table look-up module 502, full frequency band Scan module 503, practical communication quality analysis module 504, comparison module 505, control module 506 and access switching module 507。

Wherein, downlink signal intensive analysis module 501 is connect with control module 506, for being obtained by RSSI or RSRP The signal strength of downlink signal is taken, and the signal strength of downlink signal is sent to control module 506.Table look-up module 502 and control Molding block 506 connects, and for obtaining corresponding first frequency range of downlink signal, tables look-up and obtains the corresponding first switching door of the first frequency range Limit value, the second handoff threshold value and adjusting parameter, and by checking result (the first handoff threshold value, the second handoff threshold value with And adjusting parameter) it is sent to control module 506.Full band scan module 503 is connect with control module 506, for passing through second Receiving path scans full frequency band, obtains current out-of-band noise intensity, and out-of-band noise intensity is sent to control module 506. Practical communication quality analysis module 504 is connect with comparison module 505, receives downlink signal by the first receiving path for obtaining When the first communication quality and by the second receiving path receive downlink signal when the second communication quality, and by first communication Quality and the second communication quality are sent to comparison module 505.Comparison module 505 is connect with control module 506, for comparing first Communication quality and the second communication quality obtain the 4th comparison result, and the 4th comparison result are sent to control module 506.Control Molding block 506 is connect with access switching module 507, for comparing the signal strength and the first handoff threshold value of downlink signal, Obtain the 5th comparison result；Compare out-of-band noise intensity and preset value, obtains the 6th comparison result；Compare knot according to the 4th Fruit, the 5th comparison result and the 6th comparison result judgement signal receiving path are switched to the first receiving path or the second reception is logical Road, and judging result is sent to access switching module 507；The second receiving path is switched to determining from the first receiving path When, adjusting parameter is sent to access switching module.Access switching module 507 is used to be switched according to the judging result of control module Signal receiving path, and when judging result is to be switched to the second receiving path from the first receiving path, in signal receiving path While switching, the reception frequency range of the second receiving path is adjusted according to adjusting parameter.

Mobile terminal provided in an embodiment of the present invention does not include the second receiving path of filter by increase, in downlink In the case of the signal strength of signal is weaker, mobile terminal is controlled from the first receiving path and is switched to the second receiving path, and is led to It crosses the second receiving path and receives downlink signal, can be improved the receiving sensitivity of downlink signal, obtain preferable downlink communication matter Amount improves encoding rate, reduces retransmission rate, and then can save due to receiving the electricity additionally consumed again, additionally it is possible to increase logical Communication distance improves user experience.

The embodiment of the present invention provides a kind of mobile terminal, comprising: memory, processor and storage are on a memory and can be The application program run on processor, the processor realize the signal receiving path of the embodiment of the present invention when executing the application program Switching method in step.

Fig. 6 is another structural block diagram of mobile terminal provided in an embodiment of the present invention.Mobile terminal 700 shown in fig. 6 It include: at least one processor 701, memory 702, at least one network interface 704 and other users interface 703.It is mobile whole Various components in end 700 are coupled by bus system 705.It is understood that bus system 705 is for realizing these components Between connection communication.Bus system 705 further includes power bus, control bus and state letter in addition to including data/address bus Number bus.But for the sake of clear explanation, various buses are all designated as bus system 705 in Fig. 6.

Wherein, user interface 703 may include display, keyboard or pointing device (for example, mouse, trace ball (trackball), touch-sensitive plate or touch screen etc.).

It is appreciated that the memory 702 in the embodiment of the present invention can be volatile memory or nonvolatile memory, It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read- Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DRRAM).The memory 702 of system and method described herein is intended to include but is not limited to these and arbitrarily its It is suitble to the memory of type.

In some embodiments, memory 702 stores following element, executable modules or data structures, or Their subset of person or their superset: operating system 7021 and application program 7022.

Wherein, operating system 7021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 7022 includes various application programs, such as shows Controller, media player (Media Player), browser (Browser) etc., for realizing various applied business.Realize this The program of inventive embodiments method may be embodied in application program 7022.

In embodiments of the present invention, by the program or instruction of calling memory 702 to store, specifically, can be application The program or instruction stored in program 7022, processor 701 are used to obtain through the received downlink signal of the first receiving path Signal strength and the first handoff threshold value；When the signal strength of downlink signal is less than the first handoff threshold value, control movement Terminal is switched to the second receiving path from the first receiving path, and receives downlink signal by the second receiving path；First receives Include filter in access, does not include filter in the second receiving path.

The method that the embodiments of the present invention disclose can be applied in processor 701, or be realized by processor 701. Processor 701 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each Step can be completed by the integrated logic circuit of the hardware in processor 701 or the instruction of software form.Above-mentioned processing Device 701 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated integrated electricity Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at The step of memory 702, processor 701 reads the information in memory 702, completes the above method in conjunction with its hardware.

It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor, In controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.

For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or It is realized outside processor.

Optionally, processor 701 is also used to obtain corresponding first frequency range of downlink signal；The reception frequency of second receiving path When section includes the first frequency range, according to the mapping table of preset frequency range and handoff threshold value, obtains downlink signal corresponding first and cut Change threshold value.

Optionally, processor 701 is also used to control mobile terminal and is switched to the second receiving path from the first receiving path, and Before receiving downlink signal by the second receiving path, adjusting parameter corresponding with the first frequency range is obtained；According to adjusting parameter, adjust The reception frequency range of whole second receiving path, so that the second receiving path receives the first frequency range.

Optionally, as another embodiment, processor 701 is also used to cut in the signal strength of downlink signal less than first Receiving path is not detected when changing threshold value, and in the predetermined time, and there are strong jamming marks, control mobile terminal and connect from first It receives access and is switched to the second receiving path, and downlink signal is received by the second receiving path.

Processor 701 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, and passes through After second receiving path receives downlink signal, the first signal matter when downlink signal is received by the first receiving path is obtained Amount, and, second signal quality when being received by the second receiving path；When second signal quality is less than or equal to the first signal When quality, the first receiving path is switched back into from the second receiving path, and mark strong jamming mark.

Processor 701 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, and passes through After second receiving path receives downlink signal, the out-of-band noise obtained when downlink signal is transmitted by the second receiving path is strong Degree；When out-of-band noise intensity is greater than or equal to preset value, the first receiving path is switched back into from the second receiving path, and mark strong Interference indicator.

Processor 701 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, and passes through After second receiving path receives downlink signal, the first communication matter when receiving downlink signal by the first receiving path is obtained Amount, and, the second communication quality when downlink signal is received by the second receiving path；When the second communication quality is less than or equal to When the first communication quality, the first receiving path is switched back into from the second receiving path, and mark strong jamming mark.

Processor 701 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, and passes through After second receiving path receives downlink signal, the corresponding second handoff threshold value of downlink signal is obtained；In the letter of downlink signal When number intensity is greater than the second handoff threshold value, mobile terminal is controlled from the second receiving path and is switched to the first receiving path, and is led to It crosses the first receiving path and receives downlink signal.Wherein, the second handoff threshold value is greater than the first handoff threshold value.

Mobile terminal 700 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, here It repeats no more.

Mobile terminal provided in an embodiment of the present invention does not include the second receiving path of filter by increase, in downlink In the case of the signal strength of signal is weaker, mobile terminal is controlled from the first receiving path and is switched to the second receiving path, and is led to It crosses the second receiving path and receives downlink signal, can be improved the receiving sensitivity of downlink signal, obtain preferable downlink communication matter Amount improves encoding rate, reduces retransmission rate, and then can save due to receiving the electricity additionally consumed again, additionally it is possible to increase logical Communication distance improves user experience.

Fig. 7 is another structural block diagram of mobile terminal provided in an embodiment of the present invention.Specifically, the mobile end in Fig. 7 End 800 can be mobile phone, tablet computer, personal digital assistant or vehicle-mounted computer etc..

Mobile terminal 800 in Fig. 7 includes radio frequency (Radio Frequency, RF) circuit 810, memory 820, input Unit 830, display unit 840, processor 860, voicefrequency circuit 870, WiFi module 880 and power supply 890.

Wherein, input unit 830 can be used for receiving the number or character information of user's input, and generation and mobile terminal The related signal input of 800 user setting and function control.Specifically, in the embodiment of the present invention, which can To include touch panel 831.Touch panel 831, also referred to as touch screen collect the touch operation of user on it or nearby (for example user uses the operations of any suitable object or attachment on touch panel 831 such as finger, stylus), and according to preparatory The formula of setting drives corresponding attachment device.Optionally, touch panel 831 may include touch detecting apparatus and touch controller Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, by signal Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, The processor 860 is given again, and can be received order that processor 860 is sent and be executed.Furthermore, it is possible to using resistance-type, The multiple types such as condenser type, infrared ray and surface acoustic wave realize touch panel 831.In addition to touch panel 831, input unit 830 can also include other input equipments 832, other input equipments 832 can include but is not limited to physical keyboard, function key One of (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. are a variety of.

Wherein, display unit 840 can be used for showing information input by user or be supplied to the information and movement of user The various menu interfaces of terminal 800.Display unit 840 may include display panel 841, optionally, can use LCD or organic hair The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 841.

It should be noted that touch panel 831 can cover display panel 841, touch display screen is formed, when the touch display screen is examined After measuring touch operation on it or nearby, processor 860 is sent to determine the type of touch event, is followed by subsequent processing device 860 provide corresponding visual output according to the type of touch event in touch display screen.

Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with The interface elements such as the icon comprising at least one application program and/or widget desktop control.The Application Program Interface viewing area Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example, Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.

Wherein processor 860 is the control centre of mobile terminal 800, utilizes various interfaces and connection whole mobile phone Various pieces, by running or executing the software program and/or module that are stored in first memory 821, and calling storage Data in second memory 822 execute the various functions and processing data of mobile terminal 800, thus to mobile terminal 800 Carry out integral monitoring.Optionally, processor 860 may include one or more processing units.

In embodiments of the present invention, by call store the first memory 821 in software program and/or module and/ Or the data in the second memory 822, processor 860 are used to obtain the letter by the received downlink signal of the first receiving path Number intensity and the first handoff threshold value；When the signal strength of downlink signal is less than the first handoff threshold value, control mobile whole End is switched to the second receiving path from the first receiving path, and receives downlink signal by the second receiving path；First reception is logical Include filter in road, does not include filter in the second receiving path.

Optionally, processor 860 is also used to obtain corresponding first frequency range of downlink signal；The reception frequency of second receiving path When section includes the first frequency range, according to the mapping table of preset frequency range and handoff threshold value, obtains downlink signal corresponding first and cut Change threshold value.

Optionally, processor 860 is also used to control mobile terminal and is switched to the second receiving path from the first receiving path, and Before receiving downlink signal by the second receiving path, adjusting parameter corresponding with the first frequency range is obtained；According to adjusting parameter, adjust The reception frequency range of whole second receiving path, so that the second receiving path receives the first frequency range.

Optionally, processor 860 is also used to when the signal strength of downlink signal is less than the first handoff threshold value, and predetermined Receiving path is not detected in time there are strong jamming mark, control mobile terminal is switched to second from the first receiving path and connects Access is received, and downlink signal is received by the second receiving path.

Optionally, processor 860 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, And after passing through the second receiving path reception downlink signal, obtains first when downlink signal is received by the first receiving path and believe Number quality, and, second signal quality when being received by the second receiving path；When second signal quality is less than or equal to first When signal quality, the first receiving path is switched back into from the second receiving path, and mark strong jamming mark.

Optionally, processor 860 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, And by the second receiving path receive downlink signal after, obtain downlink signal by the second receiving path transmit when band make an uproar outside Sound intensity degree；When out-of-band noise intensity is greater than or equal to preset value, the first receiving path is switched back into from the second receiving path, and mark Remember strong jamming mark.

Optionally, processor 860 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, And after passing through the second receiving path reception downlink signal, obtains first when receiving downlink signal by the first receiving path and lead to Believe quality, and, the second communication quality when downlink signal is received by the second receiving path；Be lower than when the second communication quality or When equal to the first communication quality, the first receiving path is switched back into from the second receiving path, and mark strong jamming mark.

Optionally, processor 860 is also used to be switched to the second receiving path from the first receiving path in control mobile terminal, And after passing through the second receiving path reception downlink signal, the corresponding second handoff threshold value of downlink signal is obtained；Believe in downlink Number signal strength when being greater than the second handoff threshold value, it is logical that control mobile terminal from the second receiving path is switched to the first reception Road, and downlink signal is received by the first receiving path.Wherein, the second handoff threshold value is greater than the first handoff threshold value.

As it can be seen that mobile terminal provided in an embodiment of the present invention, does not include the second receiving path of filter by increase, In the case of the signal strength of downlink signal is weaker, mobile terminal is controlled from the first receiving path and is switched to the second receiving path, And downlink signal is received by the second receiving path, it can be improved the receiving sensitivity of downlink signal, it is logical to obtain preferable downlink Believe quality, improve encoding rate, reduces retransmission rate, and then can save due to receiving the electricity additionally consumed again, additionally it is possible to increase Add communication distance, improves user experience.

It should be noted that in inventive embodiments, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In embodiment provided herein, it should be understood that disclosed device and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit It connects, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code Medium.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (17)

1. a kind of switching method of signal receiving path is applied to mobile terminal, which is characterized in that the described method includes:

Obtain the signal strength and the first handoff threshold value for passing through the received downlink signal of the first receiving path；

When the signal strength of the downlink signal is less than the first handoff threshold value, control mobile terminal connects from described first It receives access and is switched to the second receiving path, and the downlink signal is received by second receiving path；Described first receives Include filter in access, does not include filter in second receiving path；

The step of obtaining the first handoff threshold value, comprising:

Obtain corresponding first frequency range of the downlink signal；

When the reception frequency range of second receiving path includes first frequency range, according to preset frequency range and handoff threshold value Mapping table obtains the corresponding first handoff threshold value of downlink signal.

2. the method according to claim 1, wherein control mobile terminal is switched to from first receiving path Second receiving path, and before receiving the downlink signal by second receiving path, further includes:

Obtain adjusting parameter corresponding with first frequency range；

According to the adjusting parameter, the reception frequency range of second receiving path is adjusted, so that second receiving path receives First frequency range.

3. the method according to claim 1, wherein the signal strength in the downlink signal is less than described first When handoff threshold value, control mobile terminal is switched to the second receiving path from first receiving path, and passes through described second Receiving path receives the step of downlink signal, comprising:

When the signal strength of the downlink signal is less than the first handoff threshold value, and does not detect and connect in the predetermined time Access is received there are strong jamming mark, the mobile terminal is controlled and is switched to described second from first receiving path and receives and lead to Road, and the downlink signal is received by second receiving path.

4. according to the method described in claim 3, it is characterized in that, control mobile terminal is switched to from first receiving path Second receiving path, and after receiving the downlink signal by second receiving path, the method also includes:

The first signal quality when the downlink signal is received by first receiving path is obtained, and, pass through described Second signal quality when two receiving paths receive；

When the second signal quality is less than or equal to first signal quality, institute is switched back into from second receiving path The first receiving path is stated, and marks strong jamming mark.

5. according to the method described in claim 3, it is characterized in that, control mobile terminal is switched to from first receiving path Second receiving path, and after receiving the downlink signal by second receiving path, the method also includes:

Obtain the out-of-band noise intensity when downlink signal is transmitted by second receiving path；

When the out-of-band noise intensity is greater than or equal to preset value, described first is switched back into from second receiving path and is received Access, and mark strong jamming mark.

6. according to the method described in claim 3, it is characterized in that, control mobile terminal is switched to from first receiving path Second receiving path, and after receiving the downlink signal by second receiving path, the method also includes:

The first communication quality when receiving the downlink signal by first receiving path is obtained, and, pass through described the Two receiving paths receive the second communication quality when the downlink signal；

When second communication quality is less than or equal to first communication quality, institute is switched back into from second receiving path The first receiving path is stated, and marks strong jamming mark.

7. the method according to claim 1, wherein control mobile terminal is switched to from first receiving path Second receiving path, and after receiving the downlink signal by second receiving path, the method also includes:

Obtain the corresponding second handoff threshold value of downlink signal；

When the signal strength of the downlink signal is greater than the second handoff threshold value, the mobile terminal is controlled from described the Two receiving paths are switched to first receiving path, and receive the downlink signal by first receiving path.

8. the method according to the description of claim 7 is characterized in that the second handoff threshold value is greater than the first switching door Limit value.

9. a kind of mobile terminal characterized by comprising

First obtains module, for obtaining the signal strength and the first switching that pass through the received downlink signal of the first receiving path Threshold value；

First switching module, when being less than the first handoff threshold value for the signal strength in the downlink signal, control is moved Dynamic terminal is switched to the second receiving path from first receiving path, and receives the downlink by second receiving path Signal；Include filter in first receiving path, does not include filter in second receiving path；

Described first, which obtains module, includes:

First acquisition unit, for obtaining corresponding first frequency range of the downlink signal；

Second acquisition unit, when the reception frequency range for second receiving path includes first frequency range, according to preset The mapping table of frequency range and handoff threshold value obtains the corresponding first handoff threshold value of downlink signal.

10. mobile terminal according to claim 9, which is characterized in that first switching module includes:

Third acquiring unit, for obtaining adjusting parameter corresponding with first frequency range；

Adjustment unit, for the reception frequency range of second receiving path being adjusted, so that described second according to the adjusting parameter Receiving path receives first frequency range.

11. mobile terminal according to claim 9, which is characterized in that first switching module includes:

Switch unit, when being less than the first handoff threshold value for the signal strength in the downlink signal, and the predetermined time Not detecting receiving path inside, there are strong jamming marks, control the mobile terminal from first receiving path and are switched to institute The second receiving path is stated, and the downlink signal is received by second receiving path.

12. mobile terminal according to claim 11, which is characterized in that the mobile terminal further include:

Second obtains module, for obtaining the first signal matter when the downlink signal is received by first receiving path Amount, and, second signal quality when being received by second receiving path；

Second switching module, for when the second signal quality is less than or equal to first signal quality, from described the Two receiving paths switch back into first receiving path, and mark strong jamming mark.

13. mobile terminal according to claim 11, which is characterized in that the mobile terminal further include:

Third obtains module, strong for obtaining out-of-band noise when the downlink signal is transmitted by second receiving path Degree；

Third switching module is used for when the out-of-band noise intensity is greater than or equal to preset value, from second receiving path First receiving path is switched back into, and marks strong jamming mark.

14. mobile terminal according to claim 11, which is characterized in that the mobile terminal further include:

4th obtains module, receives the first communication matter when the downlink signal by first receiving path for obtaining Amount, and, the second communication quality when the downlink signal is received by second receiving path；

4th switching module, for when second communication quality is less than or equal to first communication quality, from described the Two receiving paths switch back into first receiving path, and mark strong jamming mark.

15. mobile terminal according to claim 9, which is characterized in that the mobile terminal further include:

5th obtains module, for obtaining the corresponding second handoff threshold value of downlink signal；

5th switching module when being greater than the second handoff threshold value for the signal strength in the downlink signal, controls institute It states mobile terminal and is switched to first receiving path from second receiving path, and received by first receiving path The downlink signal.

16. mobile terminal according to claim 15, which is characterized in that the second handoff threshold value is greater than described first Handoff threshold value.

17. a kind of mobile terminal characterized by comprising memory, processor and storage are on a memory and can be in processor The application program of upper operation, the processor realize letter as claimed in any one of claims 1 to 8 when executing the application program Step in the switching method of number receiving path.