CN104753579A - Signal receiving method and signal receiving system of mobile terminal - Google Patents
Signal receiving method and signal receiving system of mobile terminal Download PDFInfo
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- CN104753579A CN104753579A CN201310730865.9A CN201310730865A CN104753579A CN 104753579 A CN104753579 A CN 104753579A CN 201310730865 A CN201310730865 A CN 201310730865A CN 104753579 A CN104753579 A CN 104753579A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a signal receiving method and a signal receiving system of a mobile terminal. The method comprises the steps of receiving a signal from at least one antenna in an initiate mode of a plurality of antennas, wherein the plurality of antennas are respectively connected with a radio frequency front end through switches, and the switches respectively control the connected antennas to switch on or not switch on; measuring a signal quality index of the received signal; comparing the signal quality index with a threshold, and determining the quantity of antennas to switch on according to a comparison result; and outputting a control signal to each switch according to the quantity of the antennas determined to switch on.
Description
Technical field
The present invention relates to mobile terminal, more particularly, relate to a kind of signal acceptance method and system of mobile terminal.
Background technology
UTRA (Universal Terrestrial Radio Access, face, UMTS land wireless access) is the 3G air interface of 3GPP definition.In the terminal of UTRA, E-UTRA (UTRA of evolution) and its follow-up evolution, basic demand is that multiple antennas receives.The Main Function main one that multiple antennas receives is to provide diversity gain, and two is for spatial reuse provides possibility, improves channel capacity.
Receive data owing to using multiple antennas simultaneously and can obtain diversity gain.Therefore in order to improve reliability, terminal carries out system message reading, paging receives, detect usual all the reception based on multiple antennas of the process such as measurement carries out.Fig. 1 is existing mobile terminal signal receiving system schematic diagram.Shown in figure 1, mobile terminal comprises antenna 1 to antenna N, and these antenna can work with Received signal strength simultaneously.The signal that each antenna receives can successively by entering baseband chip 130 after radio-frequency front-end 110, radio frequency chip 120.
Compare single antenna and carry out data receiver, use multiple antennas to carry out data receiver and no doubt can improve reliability, but terminal needs to expend extra power consumption.This can make the stand-by time of the larger intelligent terminal of current stand-by power consumption shorten further.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of signal acceptance method and system of mobile terminal, can reduce the power consumption of mobile terminal.
The present invention solves the problems of the technologies described above the signal acceptance method that the technical scheme adopted is a kind of mobile terminal, comprise the following steps: receive the signal from least one antenna being in initiate mode in multiple antenna, the plurality of antenna is connected to radio-frequency front-end respectively by switch, and whether each switch controls connected antenna respectively and enable; Measure the quality indication signal of the signal received; Relatively this quality indication signal and a threshold value, and the number of antennas of enabling is determined according to comparative result; And according to determining that the number of antennas of enabling outputs control signals to each switch.
In one embodiment of this invention, determine that according to comparative result the step of the number of antennas of enabling comprises: when the number of antennas of enabling at present is 1, if this quality indication signal is more than or equal to this threshold value, determine the number of antennas keeping enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling; When the number of antennas of enabling at present is greater than 1, if this quality indication signal is greater than this threshold value, determine to reduce the number of antennas of enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling, if this quality indication signal equals this threshold value, determine to retain the number of antennas of enabling.
In one embodiment of this invention, compare this quality indication signal to comprise with the step of a threshold value: select a threshold value associated according to the number of antennas of enabling at present; Compare the threshold value that this quality indication signal associates with this.
In one embodiment of this invention, each threshold value show that to carry out receiving under the number of antennas of enabling of association can the thresholding of correct decoding according to the performance of this mobile terminal self.
In one embodiment of this invention, each threshold value and the associated number of antennas of enabling are proportionate.
In one embodiment of this invention, each thresholding is further across compensating to obtain each threshold value respectively.
In one embodiment of this invention, each thresholding according to the measurement minimum interval T of configuration, arranges adjusted value to obtain each threshold value respectively further respectively.
In one embodiment of this invention, determine that the number of antennas increase that the number of antennas that increase is enabled comprises enabling is one or more.
In one embodiment of this invention, determine that the number of antennas minimizing that the number of antennas that minimizing is enabled comprises enabling is one or more.
In one embodiment of this invention, the number of the plurality of antenna is 2-4.
In one embodiment of this invention, what this quality indication signal comprised in signal strength signal intensity, signal to noise ratio, the error rate and bLock error rate is one or more.
In one embodiment of this invention, the method performs when this mobile terminal standby.
The present invention also proposes a kind of receiving system of mobile terminal, comprising:
For receiving the device of the signal from least one antenna being in initiate mode in multiple antenna, the plurality of antenna is connected to radio-frequency front-end respectively by switch, and whether each switch controls connected antenna respectively and enable;
For measuring the device of the quality indication signal of received signal;
For comparing this quality indication signal and a threshold value, and determine the antenna number destination device enabled according to comparative result; And
For according to the number of antennas determining to enable, output control signals to the device of each switch.
In one embodiment of this invention, this quality indication signal and a threshold value is compared at this, and determine in the antenna number destination device enabled according to comparative result, when the number of antennas of enabling at present is 1, if this quality indication signal is more than or equal to this threshold value, determine the number of antennas keeping enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling; When the number of antennas of enabling at present is greater than 1, if this quality indication signal is greater than this threshold value, determine to reduce the number of antennas of enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling, if this quality indication signal equals this threshold value, determine to retain the number of antennas of enabling.
In one embodiment of this invention, this quality indication signal and a threshold value is compared at this, and determine in the antenna number destination device enabled according to comparative result, select the threshold value of an association according to the number of antennas of enabling at present, then compare the threshold value that this quality indication signal associates with this.
In one embodiment of this invention, each threshold value show that to carry out receiving under the number of antennas of enabling of association can the thresholding of correct decoding according to the performance of this mobile terminal self.
In one embodiment of this invention, each threshold value and the associated number of antennas of enabling are proportionate.
The present invention also proposes a kind of receiving system of mobile terminal, comprising: multiple antenna; Switch arrays, comprise multiple switch, and whether each switch is connected to an antenna and enables to control this antenna; Measurement module, receives the signal from least one antenna being in initiate mode in multiple antenna, measures the quality indication signal of the signal received; Measurement result judge module, compares this quality indication signal and a threshold value, determines the number of antennas of enabling, and output control signals to each switch according to comparative result.
In one embodiment of this invention, what this quality indication signal comprised in signal strength signal intensity, signal to noise ratio, the error rate and bLock error rate is one or more.
The present invention also proposes a kind of mobile terminal, comprises receiving system as above.
Method and system proposed by the invention, receives to save power consumption with less antenna when quality indication signal is higher, uses more multiple antennas to receive to improve receiving gain, guaranteed performance when quality indication signal is more weak.The present invention when ensureing that mobile terminal completes correlation function, can reduce the power consumption of mobile terminal.Improve the standby time of mobile terminal.
Accompanying drawing explanation
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is existing mobile terminal signal receiving system schematic diagram.
Fig. 2 is the mobile terminal signal receiving system schematic diagram of one embodiment of the invention.
Fig. 3 is the baseband chip logic diagram of one embodiment of the invention.
Fig. 4 is the signal acceptance method flow chart of one embodiment of the invention.
Embodiment
Embodiments of the invention describe signal acceptance method in mobile terminal and receiving system.The method and system are intended to the power consumption reducing mobile terminal.
In the terminal of known UTRA, E-UTRA and its follow-up evolution, basic demand is that multiple antennas receives.Antenna receives can either provide diversity gain, also can provide possibility for spatial reuse, improves channel capacity.But the cost that multiple antennas receives is the power consumption that improve equipment.From another viewpoint, although multiple antennas receives there is aforesaid advantage, the various states of applicant to mobile terminal analyze rear discovery, and the aforementioned advantages that multiple antennas receives may not be all fairly obvious.At the holding state (IDLE) of mobile terminal, do not need usage space multiplexing.Further, multiple antennas is used to carry out data receiver, although larger receiving gain can be obtained, but when channel circumstance is better, use single antenna to carry out data receiver and just can guarantee correct decoding, at this moment compare the extra power consumption using multiple antennas to expend, the loss of receiving gain becomes and can accept.
Therefore, the signal acceptance method that embodiments of the invention propose and receiving system, according to the actual conditions of Signal reception, can determine rational number of antennas, and do not use whole antennas that terminal is equipped with regularly.
Fig. 2 is the mobile terminal environment of one embodiment of the invention.Shown in figure 2, mobile terminal comprises: multiple antenna (1 to N, N be greater than 1 positive integer) 201, switch arrays 210, radio-frequency front-end 220, radio frequency chip 230 and baseband chip 240.
Multiple antenna 201 is connected to radio-frequency front-end by switch arrays 202.Multiple switch is comprised in switch arrays 202.Whether each switch controls connected antenna respectively and enables.At this, the switch that each antenna 201 can be corresponding with is connected.Or two or more antenna can be connected to same switch.Each switch reception control signal is to determine conducting or disconnection.When the switch is closed, its antenna connected is activated; When the switches are opened, its antenna connected is not activated.The control signal of each switch can be separate.Or when needed, two or more switch can share same control signal.
Connected by the selectivity of switch arrays, the number of antennas be activated in multiple antenna 201 can control flexibly, selects between 1 to N.
In an embodiment of the present invention, the number of multiple antenna 201 can be determined as required, is generally 2-4, but also can be more.Such as, use 4 antennas are needed in LTE system.
Radio-frequency front-end 220 can comprise the circuit such as power amplifier and filter usually.The details of these circuit is known to those skilled in the art, no longer launches at this.Automatic growth control (AGC) mechanism is provided with, to carry out the amplification of gain controllable to received signal in radio-frequency front-end 220.
Radio frequency chip 230 can comprise analog/digital converter and digital/analog converter usually, to carry out required signal conversion respectively.
To received signal, the signal after radio frequency chip 230 processes is digital signal, and it can enter baseband chip 240.
According to embodiments of the invention, in the process of Signal reception, quality indication signal is assessed, to determine enabled number of antennas, and the conducting of control switch or closedown accordingly.For example, this process can perform with program mode (PM) in baseband chip 240.In an embodiment of the present invention, what quality indication signal comprised in signal strength signal intensity, signal to noise ratio, the error rate (Bit Error Rate, BER) and bLock error rate (Block Error Rate, BLER) is one or more.For all patterns, signal strength signal intensity can use the signal strength signal intensity of reception to indicate (Received Signal Strength Indication, RSSI) index.Or for LTE system, signal strength signal intensity can use Reference Signal Received Power (Reference Signal Receiving Power, or Reference Signal Received Quality (Reference Signal Receiving Quality, RSRQ) index RSRP).
Fig. 3 is the baseband chip logic diagram of one embodiment of the invention.Shown in figure 3, baseband chip 240 comprises measurement module 241, measurement result judge module 242 and data receiver processing module 243.For simplicity's sake, details unrelated to the invention in not shown baseband chip 240.Measurement module 241 can from radio frequency chip 230 Received signal strength.These signals are respectively from the one or more antennas being in initiate mode in antenna 1-N.Measurement module 241 is also measured received signal, to obtain the quality indication signal of these signals respectively.Measurement result judge module 242 can utilize measured quality indication signal to assess, to determine enabled number of antennas.After the number of antennas of enabling determines, measurement result judge module 242 can export control signal to each switch in switch arrays 210, is turned on or off to control it.Measurement result judge module 242 can also export control signal to radio-frequency front-end 220 to carry out AGC control.The details of this process will hereafter further describe.
Above-mentioned modules can be program module (procedures), and wherein each module performs one or more described function and operation.Be appreciated that the division of above-mentioned module is only illustrative, and not restrictive.For example, as required measurement result judge module 242 can be divided into more multimode, their collaborate perform the operation of measurement result judge module 242.
Although it is perform with program mode (PM) in baseband chip 240 that the above embodiments describe control logic, be appreciated that above-mentioned control logic also may be embodied as hardware circuit.For example, the one or more application-specific integrated circuit (ASIC)s (ASIC) outside baseband chip 240, digital signal processor (DSP), digital signal processor (DAPD), programmable logic device (PLD), field programmable gate array (FPGA) etc. can be used to implement.
Fig. 4 is the signal acceptance method flow chart of one embodiment of the invention.Shown in Fig. 4, signal acceptance method comprises the following steps:
Step 401, receives the signal from least one antenna being in initiate mode in multiple antenna.
Such as, there is if current an antenna to be in initiate mode, then receive the signal from this antenna; If there are two antennas to be in initiate mode, then receive the signal from these two antennas simultaneously.
Step 402, measures the quality indication signal of the signal received.
Step 403, compares this quality indication signal and a threshold value, and determines the number of antennas of enabling according to comparative result.
At this, this threshold value is that draw according to the performance of mobile terminal self can according to the thresholding of Received signal strength correct decoding.Therefore, if this quality indication signal equals this threshold value, determine the number of antennas keeping enabling; If quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling; If this quality indication signal is greater than this threshold value, determine to reduce the number of antennas of enabling.Be appreciated that " equaling " word non-critical is equal at this, but allow certain error.Certainly, when the number of antennas of enabling at present is only 1, no matter is that this quality indication signal equals or is greater than this threshold value, all maintains the number of antennas of enabling, because the number of antennas of now enabling cannot reduce again.
Step 404, outputs control signals to each switch according to enabled number of antennas.
Specifically, when the number of antennas determining to enable is 1, only make a switch conduction, rest switch disconnects, and 1 antenna is activated, by that analogy.
When implementing the method for the present embodiment with framework shown in Fig. 3, step 401 and 402 can be implemented in measurement module 241, and step 403 and 404 can be implemented in measurement result judge module 242.But be appreciated that the method for the present embodiment can be not limited to framework shown in Fig. 3 completely.
In step 403, in order to avoid " table tennis " effect that number adjustment frequently causes, be preferably and enable according to different the different threshold value that number of antennas arranges associated.For example, when to enable number of antennas be 1, first threshold associate with this number 1 is set, when to enable number of antennas be 2, the Second Threshold that setting associates with this number 2, when to enable number of antennas be 4, the 4th threshold value that setting associates with this number 4.Each threshold value can be proportionate with enabling number of antennas, this means, it is more to enable number of antennas, then threshold requirement is higher.Ping-pong can be alleviated in the space stayed between each threshold value, avoids number of antennas adjustment frequently as far as possible.
In step 403, the mode increasing number of antennas can be disposable increase.For example, if the number of antennas of enabling at present is 1, when the quality indication signal measured by finding is less than the first threshold of associated, the number of antennas of enabling is increased to N, namely all antenna is all enabled.Like this, mobile terminal in fact has two kinds of receive modes, and single antenna reception or multiple antennas (all) receive.The enforcement example of this example is below shown.
Judge during single antenna reception that next reception antenna configures, concrete grammar is as follows:
If(quality indication signal >Th1)
{
Determine that next data receiver still can use single antenna to receive;
}
else
{
Determine that next data receiver needs to use multiple antennas to carry out data receiver;
}
Multiple antennas judges that next reception antenna configures when receiving, and concrete grammar is as follows:
If(quality indication signal >Th2)
{
Determine that next data receiver can use single antenna to receive;
}
else
{
Determine that next data receiver needs to use multiple antennas to carry out data receiver;
}
In step 403, the mode increasing number of antennas can be progressively increase.For example, if the number of antennas of enabling at present is 1, when the quality indication signal measured by finding is less than the first threshold of associated, the number of antennas of enabling is increased by 1.If when the quality indication signal measuring (number of antennas of enabling is 2) next time is less than the Second Threshold of associated, then continue to increase the number of antennas of enabling.
Certainly, progressively increase and not mean can only increase at every turn and enable an antenna.Also can be that each increasing enables two antennas.
In another embodiment, can increase the measurement to the gap between the quality indication signal measured and threshold value, decision is disposable or progressively increases the number enabling antenna, or determines when progressively increasing, and is increase by or increase by two.
The situation of minimizing being enabled to antenna is similar, no longer sets off a discussion at this.
When there is multiple aforesaid threshold value, according to the performance of mobile terminal self, to be developer show that to carry out receiving under the number of antennas of enabling of association can the thresholding of correct decoding to each threshold value.
Be no matter the situation of a thresholding or multiple thresholding, thresholding can further across compensating to obtain corresponding threshold value respectively.Offset can be determined based on experience value.In addition, can also further according to configuration measurement minimum interval T, adjusted value is set respectively to obtain each threshold value respectively, this be in order to avoid measure interval is long cannot tracking signal quality.
Aforementioned backoff value and adjusted value can superpose use.As an example, threshold value obtains according to following formulae discovery:
Th=Th'+Th′′+△Th(T)，
Wherein Th is threshold value, and Th' is thresholding, and Th ' ' is offset, and △ Th (T) is adjusted value.
The present embodiment is applicable to implementing when mobile terminal is in standby (idle) state very much.
In the standby state, need carry out system message reading, paging receiving and detect adjacent area and measure.System message and paging adopt the mode of transmission diversity to encode, and like this, when communication environment is better, mobile terminal use single antenna carries out receiving also can successfully decode.Equally, adjacent area is detected is that mobile terminal obtains the frequency of adjacent area, timing and cell information by catching synchronizing signal.And nearby region measurement is mobile terminal completes neighboring cell signal quality index acquisition by catching reference signal.Use single antenna, mobile terminal can complete adjacent area and detect and measure.
The present embodiment is also suitable for other states that mobile terminal adopts the mode of transmission diversity to carry out encoding or period.
In an embodiment of the present invention, mobile terminal can be the terminal that mobile phone, panel computer, wearable electronic equipment etc. possess cellular mobile communication function.
The method determining reception antenna number according to quality indication signal that embodiments of the invention propose, use single antenna reception to save power consumption when quality indication signal is higher, use multiple antennas to receive to improve receiving gain, guaranteed performance when quality indication signal is more weak.The present invention when ensureing that mobile terminal completes correlation function, can reduce the power consumption of mobile terminal.Improve the standby time of mobile terminal.
Although the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, change or the replacement of various equivalence also can be made when not departing from spirit of the present invention, therefore, as long as all will drop in the scope of claims of the application the change of above-described embodiment, modification in spirit of the present invention.
Claims (20)
1. a signal acceptance method for mobile terminal, comprises the following steps:
Receive the signal from least one antenna being in initiate mode in multiple antenna, the plurality of antenna is connected to radio-frequency front-end respectively by switch, and whether each switch controls connected antenna respectively and enable;
Measure the quality indication signal of the signal received;
Relatively this quality indication signal and a threshold value, and the number of antennas of enabling is determined according to comparative result; And
According to determining that the number of antennas of enabling outputs control signals to each switch.
2. the method for claim 1, is characterized in that, determines that the step of the number of antennas of enabling comprises according to comparative result:
When the number of antennas of enabling at present is 1, if this quality indication signal is more than or equal to this threshold value, determine the number of antennas keeping enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling;
When the number of antennas of enabling at present is greater than 1, if this quality indication signal is greater than this threshold value, determine to reduce the number of antennas of enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling, if this quality indication signal equals this threshold value, determine to retain the number of antennas of enabling.
3. method as claimed in claim 1 or 2, it is characterized in that, the step comparing this quality indication signal and a threshold value comprises:
The threshold value of an association is selected according to the number of antennas of enabling at present;
Compare the threshold value that this quality indication signal associates with this.
4. method as claimed in claim 3, is characterized in that, each threshold value show that to carry out receiving under the number of antennas of enabling of association can the thresholding of correct decoding according to the performance of this mobile terminal self.
5. method as claimed in claim 3, it is characterized in that, each threshold value and the associated number of antennas of enabling are proportionate.
6. method as claimed in claim 5, is characterized in that, each thresholding is further across compensating to obtain each threshold value respectively.
7. the method as described in claim 5 or 6, is characterized in that, each thresholding according to the measurement minimum interval T of configuration, arranges adjusted value to obtain each threshold value respectively further respectively.
8. method as claimed in claim 2, is characterized in that, determines that the number of antennas increase that the number of antennas that increase is enabled comprises enabling is one or more.
9. method as claimed in claim 2, is characterized in that, determines that the number of antennas minimizing that the number of antennas that minimizing is enabled comprises enabling is one or more.
10. the method for claim 1, is characterized in that, the number of the plurality of antenna is 2-4.
11. the method for claim 1, is characterized in that, the method performs when this mobile terminal standby.
12. the method for claim 1, is characterized in that, it is one or more that this quality indication signal comprises in signal strength signal intensity, signal to noise ratio, the error rate and bLock error rate.
The receiving system of 13. 1 kinds of mobile terminals, comprising:
For receiving the device of the signal from least one antenna being in initiate mode in multiple antenna, the plurality of antenna is connected to radio-frequency front-end respectively by switch, and whether each switch controls connected antenna respectively and enable;
For measuring the device of the quality indication signal of received signal;
For comparing this quality indication signal and a threshold value, and determine the antenna number destination device enabled according to comparative result; And
For according to the number of antennas determining to enable, output control signals to the device of each switch.
14. systems as claimed in claim 13, is characterized in that, compare this quality indication signal and a threshold value at this, and determine in the antenna number destination device enabled according to comparative result,
When the number of antennas of enabling at present is 1, if this quality indication signal is more than or equal to this threshold value, determine the number of antennas keeping enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling;
When the number of antennas of enabling at present is greater than 1, if this quality indication signal is greater than this threshold value, determine to reduce the number of antennas of enabling, if this quality indication signal is less than this threshold value, determine to increase the number of antennas of enabling, if this quality indication signal equals this threshold value, determine to retain the number of antennas of enabling.
15. systems as described in claim 13 or 14, it is characterized in that, this quality indication signal and a threshold value is compared at this, and determine in the antenna number destination device enabled according to comparative result, select the threshold value of an association according to the number of antennas of enabling at present, then compare the threshold value that this quality indication signal associates with this.
16. systems as claimed in claim 15, is characterized in that, each threshold value show that to carry out receiving under the number of antennas of enabling of association can the thresholding of correct decoding according to the performance of this mobile terminal self.
17. systems as claimed in claim 15, is characterized in that, each threshold value and the associated number of antennas of enabling are proportionate.
18. systems as claimed in claim 15, is characterized in that, it is one or more that this quality indication signal comprises in signal strength signal intensity, signal to noise ratio, the error rate and bLock error rate.
The receiving system of 19. 1 kinds of mobile terminals, comprising:
Multiple antenna;
Switch arrays, comprise multiple switch, and whether each switch is connected to an antenna and enables to control this antenna;
Measurement module, receives the signal from least one antenna being in initiate mode in the plurality of antenna, measures the quality indication signal of the signal received;
Measurement result judge module, compares this quality indication signal and a threshold value, determines the number of antennas of enabling, and output control signals to each switch according to comparative result.
20. 1 kinds of mobile terminals, comprise the receiving system as described in any one of claim 13-19.
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| CN112970207A (en) * | 2019-03-18 | 2021-06-15 | 华为技术有限公司 | Method and device for controlling receiving antenna |
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| CN108966329A (en) * | 2018-08-27 | 2018-12-07 | 维沃移动通信有限公司 | A kind of electricity saving method and mobile terminal |
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