CN105577252A - Antenna selection method of mobile terminal - Google Patents
Antenna selection method of mobile terminal Download PDFInfo
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- CN105577252A CN105577252A CN201610096554.5A CN201610096554A CN105577252A CN 105577252 A CN105577252 A CN 105577252A CN 201610096554 A CN201610096554 A CN 201610096554A CN 105577252 A CN105577252 A CN 105577252A
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- time slot
- half time
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- radio circuit
- power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the antenna field and discloses an antenna selection method of a mobile terminal. In the invention, the mobile terminal comprises two antennas and at least one radio-frequency circuit; the antenna selection method comprises following steps: setting the radio-frequency circuit in a working state as the main selection radio-frequency circuit; in at least one preset test time slot, respectively connecting the main selection radio-frequency circuit with the two antennas in the first half time slot and the second half time slot of the test time slot; respectively obtaining the powers of the first half time slot and the second half time slot; and selecting the antenna corresponding to the higher one in the powers of the first half time slot and the second half time slot, connecting the selected antenna with the main selection radio-frequency circuit. According to the antenna selection method of the mobile terminal provided by the invention, the antennas can be switched self-adaptively in the using process of the mobile terminal; therefore, the main selection radio-frequency circuit is always connected to the antenna with relatively optimum performance; and the use experience of the user is promoted.
Description
Technical field
The present invention relates to field of antenna, particularly a kind of antenna selecting method of mobile terminal.
Background technology
At present, multimode terminal is divided into multimode single-pass or multimode bilateral (leading to) more; Many logical terminals due to can multimode concurrent, than single-pass form, there is more powerful function.The antenna of the end product that existing support multimode is concurrent often needs multiple mutual independently antenna, works while realizing different mode.For 4 mould SVLTE end products of telecommunications version (SVLTE: support that CDMA voice and LTE data work, also supports that CDMA voice and GSM voice work) simultaneously simultaneously, terminal supports CDMA, GSM, LTE-TDD, LTE-FDD; The main collection of GSM and LTE uses antenna 1, CDMA and LTE diversity to use antenna 2; Or it is contrary.Due to structural limitations, in terminal, often there is an antenna performance better (such as antenna 1), and another antenna performance poor (such as antenna 2).
But terminal is when reality uses, and environment is on the impact of antenna often more complicated, and the performance quality of antenna 1 and antenna 2 may change at any time.Such as, 3 kinds of use scenes are below considered:
Scene 1, terminal is put on the table, and now antenna 1 performance is better than antenna 2;
Scene 2, terminal is held antenna below by user, and now antenna 1 may be inferior to antenna 2 (antenna 1 position is held, and causes hydraulic performance decline);
Scene 3, terminal is held by user and near head, now antenna 1 may be better than antenna 2 (antenna 1 position is held, and antenna 2 is blocked by head).
Visible, in actual use, 2 antenna relative performances are in change, and this change does not have fixing pattern to predict.In addition, because wireless signal is in the complexity of spatial, radio propagation is also random to changed power during different antennae position, and this change is also unpredictable.Therefore, if the main collection of GSM and LTE uses antenna 1, CDMA and LTE diversity to use antenna 2 always always, the demand of the main collection of GSM and LTE serviceability preferably antenna all the time can not be met.
Summary of the invention
The object of the present invention is to provide a kind of antenna selecting method of mobile terminal, mobile terminal in use can switched antenna adaptively, makes main separation radio circuit be connected to performance preferably antenna all the time, thus promotes user's experience.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of antenna selecting method of mobile terminal, described mobile terminal comprises two antennas and at least one radio circuit, and described antenna selecting method comprises following steps: an in running order radio circuit is set as main separation radio circuit; In at least one the test time slot preset, the first half time slot of described main separation radio circuit at described test time slot is connected with described two antennas respectively with later half time slot; Obtain the power of first half time slot and the power of later half time slot respectively; The power of described first half time slot is selected to be connected with described main separation radio circuit with the antenna corresponding to the greater in the power of described later half time slot.
In terms of existing technologies, the present invention is by setting test time slot, the first half time slot of described main separation radio circuit at described test time slot is connected with described two antennas respectively with later half time slot, and selects the power of described first half time slot to be connected with described main separation radio circuit with the antenna corresponding to the greater in the power of described later half time slot.That is, mobile terminal in use can switched antenna adaptively, makes main separation radio circuit be connected to performance preferably antenna all the time, thus promotes user's experience.
Preferably, an in running order radio circuit is being set as in the step of main separation radio circuit, described two in running order radio circuit medium priority the higher person are being set as described main separation radio circuit; Thus, preferentially can ensure the communication quality of the radio circuit that priority is higher.
Preferably, the number of described test time slot is multiple; Described first half time slot power is the mean value of the power of multiple first half time slot; Described later half time slot power is the mean value of the power of multiple later half time slot.The method adopting repetitive measurement to average calculates the power of first half time slot and the power of later half time slot, makes the power of first half time slot of acquisition and the more accurate of the power of later half time slot.
Preferably, before the step be connected with described two antennas respectively at first half time slot and the later half time slot of described test time slot by described main separation radio circuit, also following steps are comprised: judge whether described operating state is downlink transfer state; If described operating state is downlink transfer state, then performs and be connected to described two antennas successively at described main separation radio circuit, and keep the step of the first half time slot duration of described test time slot and later half time slot duration respectively.That is, when terminal is in downlink transfer state, adopt and compare the more reliable of the way selection antenna of first half time slot power and later half time slot power.
Preferably, if described operating state is non-downlink transfer state, then described main separation radio circuit is connected to the better performances person preset in described two antennas.That is, the difference switched antenna in different ways when terminal is in downlink transfer state and uplink state; Thus optimum scheme can be selected all the time to realize antenna switching according to actual conditions.
Accompanying drawing explanation
Fig. 1 is the flow chart of the antenna selecting method of mobile terminal according to first embodiment of the invention;
Fig. 2 is the flow chart of the antenna selecting method of mobile terminal according to second embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail.But, persons of ordinary skill in the art may appreciate that in each execution mode of the present invention, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following execution mode and amendment, each claim of the application technical scheme required for protection also can be realized.
First execution mode of the present invention relates to a kind of antenna selecting method of mobile terminal, and idiographic flow as shown in Figure 1.Wherein, first, second antenna that the mobile terminal in present embodiment comprises first, second radio circuit and is connected with two radio circuits respectively.Specifically, the mobile terminal in present embodiment supports CDMA, GSM, LTE tri-kinds of standards, and the main collection of GSM and LTE shares the first radio circuit, CDMA and LTE diversity shares the second radio circuit; That is, first, second radio circuit is connected to first, second antenna respectively to realize the signal transmitting and receiving of the main collection of GSM and LTE and CDMA and LTE diversity.
Step 11: an in running order radio circuit is set as main separation radio circuit.
Only have if current a radio circuit in running order, then in running order radio circuit is set as main separation radio circuit.Wherein, the operating state of radio circuit comprises two kinds: the paging time-slot of connected state and IDLE state.
If when the first two radio circuit is all in running order, then two in running order radio circuit medium priority the higher person are set as main separation radio circuit.Wherein, the mobile terminal internal preset priority of two radio circuits.Such as, in present embodiment, the priority of the main collection of GSM and LTE is higher, the priority of the first radio circuit then corresponding to the main collection of GSM and LTE is higher, first radio circuit is set as main separation radio circuit, represent and can pay the utmost attention to the first radio circuit in the process of follow-up selection antenna, to ensure the signal quality of the main collection of GSM and LTE as far as possible.
Step 12: at least one the test time slot preset, the first half time slot of main separation radio circuit at test time slot is connected with two antennas respectively with later half time slot.
Mobile terminal internal preset has test time slot, and this test time slot preset is such as first time slot of a frame, and right present embodiment does not limit this.
In time testing, first, main separation radio circuit is connected to the first antenna and keeps first half time slot duration; Secondly, main separation radio circuit is connected to the second antenna and keeps later half time slot duration.Preferably, the number of the test time slot preset is multiple, and adjacent test time slot is first time slot of consecutive frame.That is, each is tested in the first half time slot duration of time slot, and main separation radio circuit is connected to the first antenna, and in the later half time slot duration of each test time slot, main separation radio circuit is connected to the second antenna.
Wherein, when the number of gap is multiple when tested, until next test time slot transit time of arriving in section after the test of previous test time slot completes, main separation radio circuit remains and is connected to the second antenna (namely testing the connection status of the later half time slot of time slot).In order to make the signal quality of main separation radio circuit in this section better as far as possible transit time, the antenna that generally antenna of the better performances preset in mobile terminal can be connected as main separation radio circuit at the later half time slot testing time slot.Such as, the better performances preset in mobile terminal be the second antenna, then in testing, control main separation radio circuit and be connected to the second antenna (namely first half time slot is connected to the first antenna) at later half time slot.
It should be noted that, ordinary circumstance, in mobile terminal, preset a good antenna of performance.The setting principle of the antenna of the better performances preset is: in the ordinary course of things, though such as terminal is put on the table or mobile terminal by user's handling but grip part is not overlapping with antenna position, the antenna that the received power of signal is larger is set to the antenna of better performances.The performance of antenna, except being subject to the structure influence of antenna own, is mainly subject to the impact of the position in the mobile terminal of antenna place.
Step 13: obtain the power of first half time slot and the power of later half time slot respectively.
That is, the power of the power of the first half time slot of acquisition for mobile terminal first antenna reception and the later half time slot of the second antenna reception.In present embodiment, the power of first half time slot is the average power of first half time slot, and the power of later half time slot is the average power of later half time slot, does not so impose any restrictions this.
Preferably, if the number of test time slot is multiple, then first half time slot power is the mean value of the power of multiple first half time slot; Later half time slot power is the mean value of the power of multiple later half time slot.The mode of averaging is adopted to make the first half time slot power of acquisition and the more accurate of later half time slot power.
In present embodiment, the power of acquisition is the received power of antenna; That is, the power of first half time slot is the received power of antenna in first half time slot, and the power of later half time slot is the received power of antenna in later half time slot.Because in same test time slot, the power of Base Transmitter is identical, therefore, antenna only depends on the impact of environment residing for this antenna and the quality of antenna itself in the received power of first half time slot duration and later half time slot duration.
Step 14: select the power of first half time slot to be connected with main separation radio circuit with the antenna corresponding to the greater in the power of later half time slot.
Step 15: another radio circuit is connected to another antenna.
That is, the greater in the power of first half time slot and the power of later half time slot represents that the current performance of corresponding antenna is better.Such as, the power of current half time slot is comparatively large, represents that the current performance of the first antenna is better, then main separation radio circuit is connected to the first antenna, and another radio circuit is connected to the second antenna, thus the preferential signal quality ensureing main separation radio circuit.
In present embodiment, in order to can the serviceability of Real-Time Monitoring two antennas, mobile terminal operationally, can (as 100 frames) selected one or several measurement time slot at regular intervals.Thus mobile terminal can go out the good antenna of current performance according to measuring the power real-time judge obtained, and can be connected to the good antenna of current performance all the time to make main separation radio circuit.
Second execution mode of the present invention relates to a kind of antenna selecting method of mobile terminal, as shown in Figure 2.Second execution mode is roughly the same with the first execution mode, main distinction part is: in the first embodiment, no matter mobile terminal is still in uplink state for downlink transfer state, all adopts the mode of the received power in compare test time slot to carry out a day line options; And in second embodiment of the invention, mobile terminal identifies uplink state and downlink transfer state, and adopt two kinds of different antenna selecting methods.
In this second embodiment, the antenna selecting method of mobile terminal comprises step 21 to step 27, wherein, step 21 similar, step 23 corresponding to the step 11 in the first execution mode is corresponding similar to 15 to step to the steps 12 in 26 respectively the first execution modes to step.That is, step 22 and step 27 is added in second embodiment of the invention, specific as follows.
Step 22: judge whether operating state is downlink transfer state.If so, then step 23 is entered; If not, then step 27 is entered.
Step 27: main separation radio circuit is connected to the better performances person preset in two antennas.Step 26 is entered after step 27.
In present embodiment, mobile terminal is for adopting two kinds of different antenna selecting methods when uplink state and downlink transfer state respectively.Specifically, when mobile terminal is in downlink transfer state, the antenna selecting method described in the first execution mode is adopted.When mobile terminal is in uplink state, then main separation radio circuit is connected to the better performances person preset in two antennas.The setting principle of the antenna of the better performances preset as described in the first embodiment, repeats no more herein.
It should be noted that, for the system (as GSM, CDMA, WCDMA, LTE-FDD) that up-downgoing frequency is inconsistent, when mobile terminal is in downlink transfer state, judge that the accuracy of nature performance is higher by the received power of test first half time slot and later half time slot; And mobile terminal is when being in uplink state, just probably there is relatively large deviation in this way.Therefore, when mobile terminal is in uplink state, adopt that mode main separation radio circuit being connected to the better performances person preset in two antennas is simple and convenient and accuracy is higher.
The step of various method divides above, just in order to be described clearly, can merge into a step or splitting some step, being decomposed into multiple step, when realizing as long as comprise identical logical relation, all in the protection range of this patent; To adding inessential amendment in algorithm or in flow process or introducing inessential design, but the core design not changing its algorithm and flow process is all in the protection range of this patent.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize specific embodiments of the invention, and in actual applications, various change can be done to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (9)
1. an antenna selecting method for mobile terminal, is characterized in that, described mobile terminal comprises two antennas and at least one radio circuit, and described antenna selecting method comprises following steps:
An in running order radio circuit is set as main separation radio circuit;
In at least one the test time slot preset, the first half time slot of described main separation radio circuit at described test time slot is connected with described two antennas respectively with later half time slot;
Obtain the power of first half time slot and the power of later half time slot respectively;
The power of described first half time slot is selected to be connected with described main separation radio circuit with the antenna corresponding to the greater in the power of described later half time slot.
2. the antenna selecting method of mobile terminal according to claim 1, is characterized in that, the number of described radio circuit is two and all in running order;
An in running order radio circuit is being set as in the step of main separation radio circuit, described two in running order radio circuit medium priority the higher person are being set as described main separation radio circuit.
3. the antenna selecting method of mobile terminal according to claim 2, it is characterized in that, after the step that the antenna selected corresponding to the greater in the power of described first half time slot and the power of described later half time slot is connected with described main separation radio circuit, also comprise following steps:
Another radio circuit is connected to another antenna.
4. the antenna selecting method of mobile terminal according to claim 2, is characterized in that, described two radio circuits correspond respectively to CDMA standard and GSM/LTE standard.
5. the antenna selecting method of mobile terminal according to claim 1, is characterized in that, the number of described test time slot is multiple;
Described first half time slot power is the mean value of the power of multiple first half time slot; Described later half time slot power is the mean value of the power of multiple later half time slot.
6. the antenna selecting method of mobile terminal as claimed in any of claims 1 to 5, it is characterized in that, before the step be connected with described two antennas respectively at first half time slot and the later half time slot of described test time slot by described main separation radio circuit, also comprise following steps:
Judge whether described operating state is downlink transfer state;
If described operating state is downlink transfer state, then performs and described main separation radio circuit is connected to described two antennas successively, and keep the step of the first half time slot duration of described test time slot and later half time slot duration respectively.
7. the antenna selecting method of mobile terminal according to claim 6, is characterized in that:
If described operating state is non-downlink transfer state, then described main separation radio circuit is connected to the better performances person preset in described two antennas.
8. the antenna selecting method of mobile terminal according to claim 1, is characterized in that, the power of described first half time slot is the average power of first half time slot, and the power of described later half time slot is the average power of later half time slot.
9. the antenna selecting method of mobile terminal according to claim 1, is characterized in that, described test time slot is first time slot of a frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610096554.5A CN105577252A (en) | 2015-10-29 | 2016-02-22 | Antenna selection method of mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2015208501728 | 2015-10-29 | ||
| CN201520850172 | 2015-10-29 | ||
| CN201610096554.5A CN105577252A (en) | 2015-10-29 | 2016-02-22 | Antenna selection method of mobile terminal |
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| CN105577252A true CN105577252A (en) | 2016-05-11 |
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| CN201610096554.5A Pending CN105577252A (en) | 2015-10-29 | 2016-02-22 | Antenna selection method of mobile terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107453766A (en) * | 2017-08-30 | 2017-12-08 | 努比亚技术有限公司 | Antenna switching control method, multi-antenna terminal and computer-readable recording medium |
| CN107734586A (en) * | 2017-09-28 | 2018-02-23 | 广东欧珀移动通信有限公司 | The switching method and mobile terminal of antenna |
| WO2018119884A1 (en) * | 2016-12-29 | 2018-07-05 | 西安易朴通讯技术有限公司 | Switching system and switching method for self-adaptive antenna, and intelligent terminal |
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| CN107734586B (en) * | 2017-09-28 | 2021-02-23 | Oppo广东移动通信有限公司 | Antenna switching method and mobile terminal |
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