CN109639309B - Frequency band acquisition method of terminal equipment, terminal equipment and storage medium - Google Patents
Frequency band acquisition method of terminal equipment, terminal equipment and storage medium Download PDFInfo
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- CN109639309B CN109639309B CN201811503105.3A CN201811503105A CN109639309B CN 109639309 B CN109639309 B CN 109639309B CN 201811503105 A CN201811503105 A CN 201811503105A CN 109639309 B CN109639309 B CN 109639309B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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Abstract
The embodiment of the invention discloses a frequency band acquisition method of terminal equipment, the terminal equipment and a storage medium, which are applied to the technical field of communication. In the terminal device of this embodiment, the selection of the communication frequency band by the communication module is duplicated through the main control module, and the voltage is output through the frequency band state pin, so that the first voltage value of the frequency band state pin can be obtained by a processor in the terminal device, and the frequency band information in which the communication module operates is obtained in combination with the correspondence between the voltage value of the frequency band state pin preset in the storage medium and the frequency band state information. Therefore, the processor can quickly acquire the communication frequency band in which the communication module works by acquiring the first voltage value and searching, and signaling transmission between the processor and the communication module is avoided.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a frequency band obtaining method for a terminal device, and a storage medium.
Background
Long Term Evolution (LTE) is a Long Term Evolution of The Universal Mobile Telecommunications System (UMTS) technology standard established by The 3rd Generation Partnership Project (3 GPP) organization.
An LTE system introduces key technologies such as Orthogonal Frequency Division Multiplexing (OFDM) and multiple-Input multiple-Output (MIMO), and significantly increases spectral efficiency and data transmission rate, for example, a theoretical downlink maximum transmission rate of 201Mbps and an approximate downlink maximum transmission rate of 150Mbps after removing signaling overhead in a case of Quadrature Amplitude Modulation (QAM) 64 for 20M bandwidth 2X2MIMO, but according to practical networking and terminal capability limitations, it is generally considered that a downlink peak rate is 100Mbps and an uplink is 50 Mbps; and the LTE system supports multiple bandwidth allocations: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz and the like, and supports the global mainstream 2G/3G frequency band and some newly-added frequency bands, thereby the frequency spectrum allocation is more flexible, and the system capacity and the coverage are also obviously improved.
The LTE system is divided into Frequency Division multiplexing (FDD) and Time Division multiplexing (TDD), and the two technologies are mainly different in that on a physical layer of an air interface (such as a frame structure, Time Division design, synchronization, and the like), and paired Frequency bands are used for uplink and downlink of an air interface in the LTE system for FDD to receive and transmit data; in the LTE system of TDD, uplink and downlink are transmitted in different timeslots using the same frequency band, which results in higher spectrum utilization.
At present, most mobile terminals support the function of simultaneous working of multiple LTE frequency bands, so that uplink and downlink speeds of the mobile terminals are faster.
Disclosure of Invention
The embodiment of the invention provides a frequency band obtaining method of a terminal device, the terminal device and a storage medium, which realize that frequency band information of a communication module in the terminal device is obtained by obtaining a first voltage value of a frequency band state pin of a main control module in the terminal device.
A first aspect of an embodiment of the present invention provides a terminal device, including: a communication module, a main control module, one or more processors, a memory, and one or more application programs, wherein:
the communication module is used for selecting a communication frequency band and carrying out communication according to the selected communication frequency band;
the main control module is used for copying the selection of the communication module for the communication frequency band and outputting voltage through a frequency band state pin;
the one or more applications are stored in the memory and configured to be executed by the processor; an application program includes:
the voltage acquisition unit is used for acquiring a first voltage value of a frequency band state pin of the main control module;
and the state acquisition unit is used for acquiring the frequency band information of the working of the communication module according to the first voltage value and the corresponding relation between the voltage value of the frequency band state pin preset in the memory and the frequency band state information.
A second aspect of the present invention provides a method for acquiring a frequency band of a terminal device, where the method is applied to the terminal device according to the first aspect of the present invention, and includes:
acquiring a first voltage value of a frequency band state pin of a main control module in terminal equipment;
and determining the frequency band state information of the communication module according to the first voltage value and the corresponding relation between the voltage value of the frequency band state pin preset in the terminal equipment and the frequency band state information.
A third aspect of the embodiments of the present invention provides a storage medium, where the storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing the frequency band obtaining method of the terminal device according to the second aspect of the embodiments of the present invention.
As can be seen, in the terminal device of this embodiment, the main control module is used to duplicate the selection of the communication frequency band by the communication module, and the voltage is output by the frequency band state pin, so that the processor in the terminal device can obtain the first voltage value of the frequency band state pin, and obtain the frequency band information in which the communication module operates by combining the correspondence between the preset voltage value of the frequency band state pin in the storage medium and the frequency band state information. Therefore, the processor can quickly acquire the communication frequency band in which the communication module works by acquiring the first voltage value and searching, and signaling transmission between the processor and the communication module is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a main control module and a communication module in a terminal device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a main control module in a terminal device according to an embodiment of the present invention;
fig. 4 is a flowchart of a method for acquiring a frequency band of a terminal device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a communication module in a terminal device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a main control module in a terminal device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
An exemplary structure of a terminal device is shown in fig. 1, and the terminal device may include a communication module 10, a main control module 11, one or more processors 12 (one is taken as an example in the figure), a storage medium 13, and one or more application programs 130 (one is taken as an example in the figure), where:
and the communication module 10 is configured to select a communication frequency band and perform communication according to the selected communication frequency band.
Here, the communication frequency band may be a 2G or 3G frequency band, and the communication module 10 may select one or more communication frequency bands for communication.
And the main control module 11 is used for copying the selection of the communication frequency band of the communication module 10 and outputting voltage through a frequency band state pin a.
It can be understood that, when the communication module 10 selects different communication frequency bands, the voltage values of the output voltages of the frequency band state pins a are different, so that the output voltages of the frequency band state pins a correspond to the frequency bands in which the communication module 10 operates one to one.
One or more application programs 130 are stored in the storage medium 13 and configured to be executed by the processor 12, wherein a certain application program 130 comprises:
the voltage obtaining unit 131 is configured to obtain a first voltage value of the frequency band state pin a of the main control module 11.
Specifically, the voltage obtaining unit 131 may obtain the first voltage value according to a preset period, for example, 0.5 seconds, and if the communication module 10 selects the communication frequency band of LTE, the period may be shorter than 0.5 seconds when the uplink and downlink speeds of the terminal device are high, and may be longer than 0.5 seconds when the uplink and downlink speeds of the terminal device are low.
In this way, a timer (not shown in the figure) may be further included in the application program, and the timer is used to periodically trigger the voltage obtaining unit 131 to obtain the first voltage value of the frequency band status pin a.
The state obtaining unit 132 is configured to obtain the frequency band information of the communication module 10 according to the first voltage value and the corresponding relationship between the voltage value of the frequency band state pin a preset in the storage medium 13 and the frequency band state information.
Specifically, the correspondence between the voltage value of the band state pin a and the band state information may be preset in the storage medium 13 by a factory user, where the specific value of the output voltage of the band state pin a is related to a specific circuit of the main control module 11, and may be specifically set according to an actual scene.
The state obtaining unit 132 may search the first voltage value in the corresponding relationship, and the frequency band state information corresponding to the first voltage value that is searched is the frequency band information in which the communication module 10 operates, which may include information about which communication frequency bands are used and which communication frequency bands are not used.
As can be seen, in the terminal device of this embodiment, the main control module 11 is used to copy the selection of the communication frequency band by the communication module 10, and the voltage is output by the frequency band state pin a, so that the processor 12 in the terminal device can obtain the first voltage value of the frequency band state pin a, and obtain the frequency band information in which the communication module 10 operates by combining the corresponding relationship between the voltage value of the frequency band state pin a preset in the storage medium 13 and the frequency band state information. In this way, the processor 12 can acquire the communication frequency band in which the communication module 10 operates quickly by acquiring the first voltage value and searching, and signaling transmission with the communication module 12 is avoided.
Referring to fig. 2, in a specific embodiment, the communication module 10 in the terminal device may include a control unit 101, a band selection switch 102, and n band circuits 103, and the main control module 11 includes n replica switches 111 and n replica circuits 112, where n is an integer greater than 1, where:
the frequency band selection switch 102 includes n selection gates 104, and the n selection gates 104 are in one-to-one correspondence with the n frequency band circuits 103; the control unit 101 is configured to control the band selection switch 102 to turn on or off (in the figure, in an on state) the corresponding band circuit 103 through any one of the selection gates b.
The n replica circuits 112 are in one-to-one correspondence with the n replica switches 111, when one replica switch 111 is closed, the corresponding replica circuit 112 is turned on, and the non-grounding points through which all the n replica circuits 112 pass are the band state pins a (not shown in fig. 2).
The n selection gates 104 are respectively linked with the n replica switches 111, that is, when the selection gates 104 move in the process of connecting or disconnecting the corresponding frequency band circuit 103, the corresponding replica switches 111 are connected or disconnected with the corresponding replica circuits 112, so that the communication frequency band of the replica communication module 10 is selected.
Further, as shown in fig. 3, any one of the n replica circuits 112 includes a first resistor Ri (i is an integer from 1 to n), and the first resistor Ri is connected with a corresponding replica switch Ki to form a parallel branch, so that a first parallel connection point 1 of the n parallel branches is connected to a power supply, and a second parallel connection point 2 of the n parallel branches is connected to ground through a second resistor R0, where the second parallel connection point 2 is the band status pin a.
In this case, the first voltage value has a preset functional calculation relationship with: the resistance value of at least one first resistor Ri in the n first resistors Ri, the resistance value of the second resistor R0 and the voltage of the power supply.
For example, if n is 3, then 3 replica switches and 3 resistors are included in the main control module 11, and if only the replica switch 1 is connected to the corresponding resistor R1, then the first voltage value may be
If the replica switch 2 is connected to the corresponding resistor 2 and the replica switch 1 is connected to the corresponding resistor 1, the first voltage value may be
And the like.
An embodiment of the present invention further provides a frequency band obtaining method for a terminal device, which is mainly applicable to the terminal device, and a flowchart of the method of this embodiment is shown in fig. 4, where the method includes:
step A, acquiring a first voltage value of a frequency band state pin of a main control module in the terminal equipment.
The terminal device may obtain the first voltage value according to a preset period, for example, 0.5 second, if the communication module selects the communication frequency band of LTE, the period may be shorter than 0.5 second when the uplink and downlink speeds of the terminal device are high, and the period may be longer than 0.5 second when the uplink and downlink speeds of the terminal device are low.
And step B, determining the frequency band state information of the working communication module according to the first voltage value and the corresponding relation between the voltage value of the frequency band state pin preset in the terminal equipment and the frequency band state information.
Specifically, the terminal device may search the first voltage value in the corresponding relationship, and the frequency band state information corresponding to the searched first voltage value, that is, the frequency band information in which the communication module operates, may include information about which communication frequency bands are used and which communication frequency bands are not used.
As can be seen, in the terminal device of this embodiment, the processor obtains the first voltage value and searches for the first voltage value, so that the communication frequency band in which the communication module in the terminal device operates can be obtained quickly, and signaling transmission between the processor and the communication module is avoided.
A specific embodiment is described below to describe the frequency band obtaining method of the terminal device in the present invention, the structure of the terminal device in this embodiment may be as shown in fig. 5, and the terminal device may generate a relatively large difference due to different configurations or performances, and may include one or more Central Processing Units (CPUs) 20 (e.g., one or more processors) and a memory 21, and one or more storage media 22 (e.g., one or more mass storage devices) storing the application programs 221 or the data 222. Wherein the memory 21 and the storage medium 22 may be a transient storage or a persistent storage. The program stored in the storage medium 22 may include one or more modules (not shown), each of which may include a series of instruction operations for the terminal device. Still further, the central processor 20 may be arranged to communicate with the storage medium 22, and to execute a series of instruction operations in the storage medium 22 on the terminal device.
Specifically, the application program 221 stored in the storage medium 22 includes an application program for acquiring a frequency band, and the program may include the voltage acquiring unit 10 and the state acquiring unit 11 of the terminal device, which is not described herein again. Further, the central processor 20 may be configured to communicate with the storage medium 22, and execute a series of operations corresponding to the application program for frequency band acquisition stored in the storage medium 22 on the terminal device.
In this embodiment, the terminal device may further include a main control module 26 and a communication module 27, the structure of the communication module 27 may include, as shown in fig. 6, a plurality of band circuits, a band selection switch and a control unit (not shown in fig. 6), where the band selection switch includes 3 LTE band circuits, and the band selection switch may be connected to the interfaces p1, p2 and p3 of the 3 LTE band circuits through the interfaces s1, s2 and s3 of the 3 selection gates, respectively, so as to perform communication using the corresponding communication bands.
The main control module 26 may be configured as shown in FIG. 7 to include 3 replica switches, namely switch 1 between r1 and q1, switch 2 between r2 and q2, and switch 3 between r3 and q 3. The switch 1, the switch 2 and the switch 3 are respectively connected with the resistor R1, the resistor R2 and the resistor R3 to form parallel branches, the second parallel connection points (namely, the frequency band state feet a) of the parallel branches (3) are connected to the ground through the second resistor R0, the first parallel connection points of the parallel branches are connected to a power supply, and the power supply voltage is VDD. The switch 1, the switch 2 and the switch 3 are respectively linked with a selector gate 1 between s1 and p1, a selector gate 2 between s2 and p2 and a selector gate 3 between s3 and p3 in the frequency band selector switch.
Specifically, when the selector gate 1 between the s1 and the p1 is communicated, the frequency band 1 is used, and the switch 1 between the r1 and the q1 is communicated; when the selector gate 2 between the s2 and the p2 is communicated in the frequency band selector switch, the frequency band 2 is used, and the switch 2 between the r2 and the q2 is communicated; when the selector gate 3 between s3 and p3 is connected, band 3 is used, and simultaneously the switch 3 between r3 and q3 is connected.
In this case, the correspondence as in table 1 below is also preset in the storage medium 22 of the terminal device:
TABLE 1
Wherein K1 represents information whether band 1 is used, K1 is 1 if band 1 is used, and K1 is 0 if band 1 is disabled; k2 represents information on whether band 2 is used, K2 is 1 if band 2 is used, and K2 is 0 if band 2 is disabled; k3 represents information on whether band 3 is used, K3 is 1 if band 3 is used, and K3 is 0 if band 3 is disabled.
Further, the terminal device may also include one or more power supplies 23, one or more wired or wireless network interfaces 24 connected to a communication module 27, one or more input-output interfaces 25, and/or one or more operating systems 223, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, and the like.
In this embodiment, the processor obtains the first voltage value and searches for the first voltage value, so that the communication frequency band in which the communication module in the terminal device operates can be obtained quickly, and signaling transmission between the processor and the communication module is avoided.
The embodiment of the present invention further provides a storage medium, where the storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing the frequency band obtaining method of the terminal device.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
The frequency band obtaining method of the terminal device, the terminal device and the storage medium provided in the embodiment of the present invention are described in detail above, and a specific example is applied in the text to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. A terminal device, comprising: a communication module, a main control module, one or more processors, a memory, and one or more application programs, wherein:
the communication module is used for selecting a communication frequency band and carrying out communication according to the selected communication frequency band;
the main control module is used for copying the selection of the communication module for the communication frequency band and outputting voltage through a frequency band state pin;
the one or more applications are stored in the memory and configured to be executed by the processor; an application program includes:
the voltage acquisition unit is used for acquiring a first voltage value of a frequency band state pin of the main control module;
the state acquisition unit is used for acquiring the frequency band information of the working of the communication module according to the first voltage value and the corresponding relation between the voltage value of the frequency band state pin preset in the memory and the frequency band state information;
the communication module comprises a control unit, a frequency band selection switch and n frequency band circuits, the main control module comprises n copy switches and n copy circuits, wherein:
the frequency band selection switch comprises n selection gates, and the n selection gates correspond to the n frequency band circuits one by one;
the control unit is used for controlling the frequency band selection switch to switch on or switch off the corresponding frequency band circuit through any selection gate;
the n replication circuits are in one-to-one correspondence with the n replication switches, when one replication switch is closed, the corresponding replication circuit is switched on, and the non-grounding points through which the n replication circuits pass are the frequency band state pins;
the n selection gates are respectively connected with the n replication switches in a linkage manner, wherein when a plurality of selection gates in the n selection gates are communicated, a plurality of corresponding replication switches and a plurality of corresponding frequency bands are used;
any one of the replica circuits comprises a first resistor, and the first resistor and the corresponding replica switch are connected to form a parallel branch;
the first parallel connection points of the n parallel branches are connected to a power supply, the second parallel connection points of the n parallel branches are connected to the ground through second resistors, and the second parallel connection points are the frequency band state pins.
2. The terminal device of claim 1, wherein the first voltage value has a preset functionally calculated relationship with: the resistance value of at least one first resistor in the n first resistors, the resistance value of the second resistor and the voltage of the power supply.
3. The terminal device according to any one of claims 1 to 2, wherein the voltage obtaining unit is specifically configured to obtain the first voltage value of the frequency band status pin of the main control module according to a preset period.
4. A method for acquiring a frequency band of a terminal device, the method being applied to the terminal device according to any one of claims 1 to 3, and comprising:
acquiring a first voltage value of a frequency band state pin of a main control module in terminal equipment;
and determining the frequency band state information of the communication module according to the first voltage value and the corresponding relation between the voltage value of the frequency band state pin preset in the terminal equipment and the frequency band state information.
5. The method as claimed in claim 4, wherein the voltage obtaining unit is specifically configured to obtain the first voltage value of the band status pin of the main control module according to a preset period.
6. A storage medium, characterized in that it stores a plurality of instructions adapted to be loaded by a processor and to execute the frequency band acquisition method of a terminal device according to claim 4 or 5.
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| CN105653288A (en) * | 2015-12-31 | 2016-06-08 | 深圳市中兴物联科技股份有限公司 | Method and device for automatic identification of hardware by software of module product |
| CN106992759A (en) * | 2017-04-07 | 2017-07-28 | 维沃移动通信有限公司 | The adjustment method and mobile terminal of a kind of power amplifier |
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| CN107294505B (en) * | 2017-06-19 | 2020-10-16 | 电信科学技术第一研究所有限公司 | Automatic gain control system and working method thereof |
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| CN105653288A (en) * | 2015-12-31 | 2016-06-08 | 深圳市中兴物联科技股份有限公司 | Method and device for automatic identification of hardware by software of module product |
| CN106992759A (en) * | 2017-04-07 | 2017-07-28 | 维沃移动通信有限公司 | The adjustment method and mobile terminal of a kind of power amplifier |
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Effective date of registration: 20230221 Address after: 518054 Room 201, building A, 1 front Bay Road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong Patentee after: Zhang Daming Address before: 516006 Zhongkai hi tech Zone, Huizhou, Guangdong, 86 Chang seven Road West Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |