CN108966250B - Weak signal communication method, mobile terminal and computer readable storage medium - Google Patents
Weak signal communication method, mobile terminal and computer readable storage medium Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72433—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for voice messaging, e.g. dictaphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
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Abstract
The invention discloses a weak signal communication method, a mobile terminal and a computer readable storage medium, wherein the method comprises the following steps: after the voice call between the first mobile terminal and the second mobile terminal is started, detecting the intensity of the mobile communication signal of the first mobile terminal in real time; if the intensity of the mobile communication signal is lower than a set threshold value, starting a weak signal call mode; starting a recording program to record voice data of a first mobile terminal user in real time; and transmitting the recorded voice data to a second mobile terminal in real time through a wireless data network, wherein the voice data is automatically played through a receiver at the second mobile terminal. The invention realizes that the mobile terminal can normally carry out voice call under the weak signal environment, and the whole process does not need operation or switching of users, thereby having good user experience.
Description
Technical Field
The present invention relates to the field of mobile terminals, and in particular, to a weak signal communication method, a mobile terminal, and a computer readable storage medium.
Background
The global system for mobile communications (G l oba l System for Mob i l e Commun i cat i on) is known as GSM and is the most widely used mobile telephone standard. GSM is a digital mobile communication standard established by the european telecommunications standards institute ETS I, and GSM is an abbreviation for the global system for mobile communication (G l oba l System for Mob I l e commun I cat I ons). Its air interface uses time division multiple access technology. Since the mid-90 s investment, it was adopted by more than 100 countries worldwide. The GSM standard devices occupy more than 80% of the current global cellular mobile communications device market.
GSM is the most widely used mobile phone standard at present. More than 200 countries and regions worldwide and more than 10 million people are using GSM phones. All users can roam freely between mobile telephone operators who have signed a "roaming agreement". GSM differs most from other previous standards in that its signaling and voice channels are digital, so GSM is considered a second generation (2G) mobile telephone system. This illustrates that digital communications have been built into systems since a long time ago. GSM is an open standard currently developed by 3 GPP.
From the user's point of view, the main advantage of GSM is that the user can choose between higher digital voice quality and low cost short messages. An advantage of network operators is that they can customize their device configuration according to different customers, as GSM provides easier interoperability as an open standard. In this way, the standard allows network operators to provide roaming services, and subscribers can use their mobile phones globally.
Code Division Multiple Access (CDMA) is a new and mature wireless communication technology developed in the branch of digital technology, spread spectrum communication technology. The principle of the CDMA technology is based on the spread spectrum technology, that is, information data with a certain signal bandwidth to be transmitted is modulated by a high-speed pseudo-random code with a bandwidth far greater than the signal bandwidth, so that the bandwidth of the original data signal is spread, modulated by a carrier wave and transmitted. The receiving end uses the completely same pseudo-random code, and performs relevant processing with the received bandwidth signal, and the broadband signal is converted into a narrowband signal of the original information data, namely, despreading, so as to realize information communication. CDMA refers to a spread spectrum multiple access digital communication technique that establishes channels through unique code sequences and can be used in any one of the second and third generation wireless communications protocols. CDMA is a multipath scheme, where multipath signals occupy only one channel, greatly improving bandwidth utilization, and is applied to Ultra High Frequency (UHF) mobile phone systems at 800MHz and 1.9 GHz. CDMA uses analog-to-digital conversion (ADC) with spread spectrum techniques, where the input audio is first digitized into binary elements. The transmission signal frequencies are encoded in a specified type, so that only receivers with identical frequency response codes can intercept the signal. Repetition is difficult to occur due to the myriad of frequency sequential encodings, enhancing confidentiality. The width of the CDMA channel is 1.23MHz nominally, and a soft handoff scheme is used in the network to minimize signal interruption in mobile phone calls. The combined application of digital and spread spectrum technology makes the number of signals with unit bandwidth multiplied than that of signals with unit bandwidth multiplied in analog mode, and CDMA is compatible with other cellular technology to realize national roaming. The CMDAOne standard, originally used only in U.S. cellular telephones, only provided transmission speeds of 14.4Kbps for a single channel and 115Kbps for eight channels. CDMA2000 and wideband CDMA speeds have increased exponentially.
The end-to-end call of the mobile phone is generally carried out by adopting a GSM or CDMA mode at present, when people are in a ground warehouse or other weak signal environments, the opposite party cannot hear the speaking voice of the ground warehouse people and even can disconnect wires under the condition that the call effect is not very good, and the call experience of the people is very affected.
Disclosure of Invention
The invention mainly aims to provide a weak signal call method, a mobile terminal and a computer readable storage medium, and aims to solve the problems that when a mobile terminal enters a ground warehouse, an elevator and other spaces in the prior art, call signals are poor, and call is intermittent or even impossible.
In order to achieve the above object, the present invention provides a weak signal call method applied to a first mobile terminal, the method comprising the steps of:
after the voice call between the first mobile terminal and the second mobile terminal is started, detecting the intensity of a mobile communication signal of the first mobile terminal in real time;
if the intensity of the mobile communication signal is lower than a set threshold value, starting a weak signal call mode;
starting a recording program to record voice data of a first mobile terminal user in real time;
and transmitting the recorded voice data to a second mobile terminal in real time through a wireless data network, wherein the voice data is automatically played through a receiver at the second mobile terminal.
Further, the step of the method sends the recorded voice data to the second mobile terminal in real time through a wireless data network, and the step of automatically playing the voice data at the second mobile terminal through the receiver further comprises:
and the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network after being noise-reduced and compressed, and the voice data is automatically played through a receiver after being decoded and amplified by the second mobile terminal.
Further, the mobile communication signal is a GSM signal or a CDMA signal.
Further, the method includes the steps of, if the strength of the mobile communication signal is lower than a set threshold, after starting the weak signal call mode:
judging whether the wireless data network is started or not, and if the wireless data network is not started, automatically starting the wireless data network.
Further, the method includes, after the step of automatically playing the voice data by the second mobile terminal through the earpiece, the steps of:
and detecting the signal intensity of the terminal in real time, and closing the weak signal call mode if the intensity of the mobile communication signal is higher than a set threshold value.
Further, the wireless data network is a mobile data network or Wi-F i.
In addition, in order to achieve the above object, the present invention also proposes a weak signal conversation method applied to a second mobile terminal, the method comprising the steps of,
after the first mobile terminal and the second mobile terminal are started, detecting whether voice data sent by the first mobile terminal through a wireless data network are received or not;
if yes, the received voice data is decompressed and then automatically played through the receiver.
Further, if yes, the method includes:
starting a recording program to record voice data of a second mobile terminal user in real time;
and sending the recorded voice data to the first mobile terminal in real time through a wireless data network, wherein the voice data is automatically played through a receiver at the first mobile terminal.
In addition, in order to achieve the above object, the present invention also proposes a mobile terminal comprising a memory, a processor and at least one application stored in the memory and configured to be executed by the processor, the at least one application being configured to perform the weak signal telephony method described above.
In addition, in order to achieve the above object, the present invention also proposes a computer-readable storage medium having stored thereon a weak signal conversation program which, when executed by a processor, implements the steps of the weak signal conversation method described in any one of the above.
According to the weak signal communication method, the mobile terminal and the computer readable storage medium, the quality of communication signals is detected in real time in the voice passing process, if the communication signals are poor, the weak signal communication mode is started, voice data of a user are recorded and sent to an opposite terminal through a wireless network, the opposite terminal decodes and plays the voice data through a receiver, so that communication effects are the same as those of the communication signals in normal conditions, and the problem of poor voice communication quality in the weak communication environments is well solved.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention;
fig. 2 is a schematic diagram of a wireless communication system of the mobile terminal shown in fig. 1;
fig. 3 is a schematic flow chart of a weak signal call method according to a first embodiment of the present invention;
fig. 4 is a schematic flow chart of a weak signal communication method according to a second embodiment of the present invention;
fig. 5 is a schematic flow chart of a weak signal communication method according to a third embodiment of the present invention;
fig. 6 is a schematic flow chart of a weak signal call method according to a fourth embodiment of the present invention;
fig. 7 is a schematic flow chart of a weak signal call method according to a fifth embodiment of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
The terminal may be implemented in various forms. For example, the terminals described in the present invention may include mobile terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Persona l D igita l Ass i stant, PDA), portable media players (Portab l e Med i a Pl ayer, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs, desktop computers, and the like.
The following description will be given taking a mobile terminal as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for a moving purpose.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (radio Frequency) unit 101, wi F i module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal structure shown in fig. 1 is not limiting of the mobile terminal and that the mobile terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
The following describes the components of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be used for receiving and transmitting signals during the information receiving or communication process, specifically, after receiving downlink information of the base station, processing the downlink information by the processor 110; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to GSM (G l oba l System of Mobi l e commun icat ion, global System for Mobile communications), GPRS (Genera l Packet Rad i o Service ), CDMA2000 (Code D ivi s ion Mu lt ip l e Access, CDMA 2000), WCDMA (Wideband Code D ivi s ion Mu lt ip l e Access ), TD-SCDMA (Time D ivis ion-Synchronous Code Di vi s ion Mu lt ip l e Access, time division synchronous code division multiple Access), FDD-LTE (Frequency Divi s i on Dup l exi ng-Long Term Evo l ut i on, frequency division Duplex Long term evolution), and TDD-LTE (Time Divi s ion Dup l exi ng-Long Term Evo l ut ion, time division Duplex Long term evolution), etc.
WiFi belongs to a short-distance wireless transmission technology, and a mobile terminal can help a user to send and receive e-mails, browse web pages, access streaming media and the like through the WiFi module 102, so that wireless broadband Internet access is provided for the user. Although fig. 1 shows a WiFi module 102, it is understood that it does not belong to the necessary constitution of a mobile terminal, and can be omitted entirely as required within a range that does not change the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the mobile terminal 100. The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive an audio or video signal. The a/V input unit 104 may include a graphics processor (Graph ics Process i ng Un it, GPU) 1041 and a microphone 1042, the graphics processor 1041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 101 in the case of a telephone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting the audio signal.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 1061 and/or the backlight when the mobile terminal 100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.
The display unit 106 is used to display information input by a user or information provided to the user. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (L iqu i d Crysta l Di sp l ay, LCD), an organic light-emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the mobile terminal. In particular, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 1071 or thereabout by using any suitable object or accessory such as a finger, a stylus, etc.) and drive the corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 110, and can receive and execute commands sent from the processor 110. Further, the touch panel 1071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 107 may include other input devices 1072 in addition to the touch panel 1071. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc., as specifically not limited herein.
Further, the touch panel 1071 may overlay the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or thereabout, the touch panel 1071 is transferred to the processor 110 to determine the type of touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of touch event. Although in fig. 1, the touch panel 1071 and the display panel 1061 are two independent components for implementing the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 may be integrated with the display panel 1061 to implement the input and output functions of the mobile terminal, which is not limited herein.
The interface unit 108 serves as an interface through which at least one external device can be connected with the mobile terminal 100. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power source 111 (e.g., a battery) for supplying power to the respective components, and preferably, the power source 111 may be logically connected to the processor 110 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based will be described below.
Referring to fig. 2, fig. 2 is a schematic diagram of a communication network system according to an embodiment of the present invention, where the communication network system is an LTE system of a general mobile communication technology, and the LTE system includes a UE (User equipment) 201, an e-UTRAN (Evo l ved UMTS Terrestr i a l Rad i o Access Network ) 202, an epc (Evo l ved Packet Core, evolved packet core) 203, and a I P service 204 of an operator that are sequentially connected in communication.
Specifically, the UE201 may be the terminal 100 described above, and will not be described herein.
The E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. The eNodeB2021 may be connected to other enodebs 2022 by a backhaul (e.g., an X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide access to the EPC203 by the UE 201.
EPC203 may include MME (Mobi l ity Management Ent ity ) 2031, hss (Home Subscr iber Server, home subscriber server) 2032, other MMEs 2033, SGW (Serv i ng Gate Way ) 2034, pgw (PDN Gate Way, packet data network gateway) 2035 and PCRF (Po l i cy and Chargi ng Ru l es Funct ion, policy and tariff function entity) 2036, and so on. The MME2031 is a control node that handles signaling between the UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location registers (not shown) and to hold user specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034 and PGW2035 may provide I P address assignment and other functions for UE201, PCRF2036 being a policy and charging control policy decision point for traffic data flows and I P bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
Although the LTE system is described above as an example, it should be understood by those skilled in the art that the present invention is not limited to LTE systems, but may be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and the communication network system, various embodiments of the method of the present invention are provided.
Example 1
The first embodiment of the present invention provides a weak signal call method applied to a first mobile terminal, as shown in fig. 3, the method includes the following steps:
s11, after the voice call between the first mobile terminal and the second mobile terminal is started, detecting the intensity of the mobile communication signal of the first mobile terminal in real time;
the voice communication between the first mobile terminal and the second mobile terminal can be based on a GSM communication network or a CDMA communication network at present, and the GSM communication network and the CDMA communication network are mutually communicated. GSM is a digital mobile communication standard established by the european telecommunications standards institute ETSI, and GSM is an abbreviation of the global system for mobile communication (G l oba l System for Mobi l e commun i cat ions), which is currently the most widely used mobile telephone standard. Its air interface uses time division multiple access technology. Since the mid-90 s investment, it was adopted by more than 100 countries worldwide. The GSM standard devices occupy more than 80% of the current global cellular mobile communications device market. Code Division Multiple Access (CDMA) is a new and mature wireless communication technology developed in the branch of digital technology, spread spectrum communication technology. The principle of the CDMA technology is based on the spread spectrum technology, that is, information data with a certain signal bandwidth to be transmitted is modulated by a high-speed pseudo-random code with a bandwidth far greater than the signal bandwidth, so that the bandwidth of the original data signal is spread, modulated by a carrier wave and transmitted. The receiving end uses the completely same pseudo-random code, and performs relevant processing with the received bandwidth signal, and the broadband signal is converted into a narrowband signal of the original information data, namely, despreading, so as to realize information communication. CDMA is compatible with other cellular technologies, enabling national roaming.
At present, voice calls in mobile communication are based on GSM or CDMA mobile communication signals. When the GSM or CDMA mobile communication signal enters the basement, elevator and other spaces, the signal is often poor, if the user is making a call, the telephone signal will be intermittent, the telephone signal intensity display mark on the mobile terminal will be changed from strong to weak, so the present call quality can be directly judged according to the intensity change of the telephone signal on the mobile terminal.
S12, if the intensity of the mobile communication signal is lower than a set threshold value, starting a weak signal call mode;
therefore, a minimum mobile communication signal threshold capable of keeping normal call is set, the intensity of the mobile communication signal is monitored in real time after the first mobile terminal initiates or receives the telephone call with the second mobile terminal, and when the intensity of the current mobile communication signal is lower than the set threshold, a weak signal call mode is started. For example, if the mobile communication signal strength value is 100, the mobile communication signal strength value is reduced to 40 or less, and the mobile communication signal is determined to be a weak signal, and the weak signal call mode is started. Or under normal conditions, the communication signal intensity of the mobile terminal is 5 grids, when the communication signal of the mobile terminal is reduced to 2 grids or less, the mobile terminal is judged to be a weak signal, and a weak signal call mode is started.
S13, starting a recording program to record voice data of a first mobile terminal user in real time;
after the weak signal call mode is started, a recording program is started immediately, voice call data of a first mobile terminal user are recorded, and then the recorded data are transmitted to a second mobile terminal through other communication channels.
And S14, the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network, and the voice data is automatically played through a receiver at the second mobile terminal.
Specifically, the voice data of the first recorded mobile terminal is sent in real time, and the available channels include a 4G channel and a Wi-F i channel. Because the 4G signal is a different communication channel from GSM and CDMA, when the GSM signal or CDMA signal is not good, its mobile data network may be available and WI FI may be available.
Therefore, after the weak signal call mode is started, whether the wireless data network is started or not is judged immediately, and if the wireless data network is not started, the wireless data network is started automatically. And then the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network, and the voice data is automatically played through a receiver at the second mobile terminal.
Specifically, voice call data are recorded, the recorded data are subjected to noise reduction through a Speex algorithm, for example, 59K of original data recorded by a mobile phone are subjected to noise reduction and compression through the algorithm, the size of the data is changed into 4K, the compression effect is quite obvious, the data consumption can be well saved, and the data transmission speed can be well ensured.
If the available data transmission channels have both a mobile data network and Wi-F i, recorded, compressed voice data is preferably transmitted to the second mobile terminal via Wi-F i. After the second mobile terminal receives the voice data sent by the first mobile terminal, the data are decoded, optionally, the received 4K data are decoded and played at the same time by using the Aud i oTrack, and recorded voice is amplified through the acdb gain, so that a user of the second mobile terminal can hear the voice of a call.
According to the weak signal call method, the mobile communication signal is detected in the telephone call process, if the mobile communication signal is weakened, the weak signal call mode is started, the voice of the user is recorded and sent to the mobile terminal of the opposite call end through the mobile data network or WIF I, and the opposite call end is played, so that the call can be normally carried out under the condition of the weak signal, and the problem that the call cannot be carried out once the signal is changed from strong to weak in the prior art is solved.
Example two
The second embodiment of the present invention provides a weak signal call method applied to a first mobile terminal, as shown in fig. 4, the method includes the following steps:
s21, after the voice call between the first mobile terminal and the second mobile terminal is started, detecting the intensity of the mobile communication signal of the first mobile terminal in real time;
the voice communication between the first mobile terminal and the second mobile terminal can be based on a GSM communication network or a CDMA communication network at present, and the GSM communication network and the CDMA communication network are mutually communicated. GSM is a digital mobile communication standard defined by the european telecommunications standards organization ETS I, and GSM is an abbreviation for global system for mobile communication (G l oba l System for Mob I l e commun I cat I ons), which is currently the most widely used mobile telephone standard. Its air interface uses time division multiple access technology. Since the mid-90 s investment, it was adopted by more than 100 countries worldwide. The GSM standard devices occupy more than 80% of the current global cellular mobile communications device market. Code Division Multiple Access (CDMA) is a new and mature wireless communication technology developed in the branch of digital technology, spread spectrum communication technology. The principle of the CDMA technology is based on the spread spectrum technology, that is, information data with a certain signal bandwidth to be transmitted is modulated by a high-speed pseudo-random code with a bandwidth far greater than the signal bandwidth, so that the bandwidth of the original data signal is spread, modulated by a carrier wave and transmitted. The receiving end uses the completely same pseudo-random code, and performs relevant processing with the received bandwidth signal, and the broadband signal is converted into a narrowband signal of the original information data, namely, despreading, so as to realize information communication. CDMA is compatible with other cellular technologies, enabling national roaming.
At present, voice calls in mobile communication are based on GSM or CDMA mobile communication signals. When the GSM or CDMA mobile communication signal enters the basement, elevator and other spaces, the signal is often poor, if the user is making a call, the telephone signal will be intermittent, the telephone signal intensity display mark on the mobile terminal will be changed from strong to weak, so the present call quality can be directly judged according to the intensity change of the telephone signal on the mobile terminal.
S22, if the intensity of the mobile communication signal is lower than a set threshold value, starting a weak signal call mode;
therefore, a minimum mobile communication signal threshold capable of keeping normal call is set, the intensity of the mobile communication signal is monitored in real time after the first mobile terminal initiates or receives the telephone call with the second mobile terminal, and when the intensity of the current mobile communication signal is lower than the set threshold, a weak signal call mode is started. For example, if the mobile communication signal strength value is 100, the mobile communication signal strength value is reduced to 40 or less, and the mobile communication signal is determined to be a weak signal, and the weak signal call mode is started. Or under normal conditions, the communication signal intensity of the mobile terminal is 5 grids, when the communication signal of the mobile terminal is reduced to 2 grids or less, the mobile terminal is judged to be a weak signal, and a weak signal call mode is started.
S23, judging whether the wireless data network is started, and if the wireless data network is not started, automatically starting the wireless data network;
the wireless data network includes a 4G network and a Wi-Fi network.
S24, starting a recording program to record voice data of a first mobile terminal user in real time;
after the weak signal call mode is started, a recording program is started immediately, voice call data of a first mobile terminal user are recorded, and then the recorded data are transmitted to a second mobile terminal through other communication channels.
And S25, the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network, and the voice data is automatically played through a receiver at the second mobile terminal.
Specifically, the voice data of the first recorded mobile terminal is sent in real time, and the available channels include a 4G channel and a Wi-F i channel. Because the 4G signal is a different communication channel than GSM and CDMA, when the GSM signal or CDMA signal is not good, the mobile data network may be available and WI F I may be available.
Therefore, after the weak signal call mode is started, whether the wireless data network is started or not is judged immediately, and if the wireless data network is not started, the wireless data network is started automatically. And then the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network, the recorded voice data is transmitted to the second mobile terminal in real time through the wireless data network after noise reduction and compression, and the voice data is automatically played through a receiver after being decoded and amplified by the second mobile terminal.
Specifically, the recorded voice call data is subjected to noise reduction through a Spex algorithm, for example, 59K of original data recorded by a mobile phone is subjected to noise reduction and compression through the algorithm, the size of the data is changed into 4K, the compression effect is quite obvious, the data consumption can be well saved, and the data transmission speed can be well ensured.
If the available data transmission channels have both a mobile data network and Wi-F i, recorded, compressed voice data is preferably transmitted to the second mobile terminal via Wi-F i. After the second mobile terminal receives the voice data sent by the first mobile terminal, the data are decoded, optionally, the received 4K data are decoded and played at the same time by using the Aud i oTrack, and recorded voice is amplified through the acdb gain, so that a user of the second mobile terminal can hear the voice of a call.
And detecting the signal intensity of the terminal in real time, and closing the weak signal call mode if the intensity of the mobile communication signal is higher than a set threshold value.
According to the weak signal call method, the mobile communication signal is detected in the telephone call process, if the mobile communication signal is weakened, the weak signal call mode is started, the voice of the user is recorded and sent to the mobile terminal of the opposite call end through the mobile data network or Wi-F i, and the opposite call end is played, so that the call can be normally carried out under the condition of the weak signal, and the problem that the call cannot be carried out once the signal is changed from strong to weak in the prior art is solved.
Example III
A third embodiment of the present invention provides a weak signal call method applied to a first mobile terminal, as shown in FIG. 5, the method comprising the steps of:
s31, after the voice call between the first mobile terminal and the second mobile terminal is started, detecting the intensity of the mobile communication signal of the first mobile terminal in real time;
the voice communication between the first mobile terminal and the second mobile terminal can be based on a GSM communication network or a CDMA communication network at present, and the GSM communication network and the CDMA communication network are mutually communicated. GSM is a digital mobile communication standard established by the european telecommunications standards institute ETSI, and GSM is an abbreviation of the global system for mobile communication (G l oba l System for Mobi l e commun i cat ions), which is currently the most widely used mobile telephone standard. Its air interface uses time division multiple access technology. Since the mid-90 s investment, it was adopted by more than 100 countries worldwide. The GSM standard devices occupy more than 80% of the current global cellular mobile communications device market. Code Division Multiple Access (CDMA) is a new and mature wireless communication technology developed in the branch of digital technology, spread spectrum communication technology. The principle of the CDMA technology is based on the spread spectrum technology, that is, information data with a certain signal bandwidth to be transmitted is modulated by a high-speed pseudo-random code with a bandwidth far greater than the signal bandwidth, so that the bandwidth of the original data signal is spread, modulated by a carrier wave and transmitted. The receiving end uses the completely same pseudo-random code, and performs relevant processing with the received bandwidth signal, and the broadband signal is converted into a narrowband signal of the original information data, namely, despreading, so as to realize information communication. CDMA is compatible with other cellular technologies, enabling national roaming.
At present, voice calls in mobile communication are based on GSM or CDMA mobile communication signals. When the GSM or CDMA mobile communication signal enters the basement, elevator and other spaces, the signal is often poor, if the user is making a call, the telephone signal will be intermittent, the telephone signal intensity display mark on the mobile terminal will be changed from strong to weak, so the present call quality can be directly judged according to the intensity change of the telephone signal on the mobile terminal.
S32, if the intensity of the mobile communication signal is lower than a set threshold value, starting a weak signal call mode;
therefore, a minimum mobile communication signal threshold capable of keeping normal call is set, the intensity of the mobile communication signal is monitored in real time after the first mobile terminal initiates or receives the telephone call with the second mobile terminal, and when the intensity of the current mobile communication signal is lower than the set threshold, a weak signal call mode is started. For example, if the mobile communication signal strength value is 100, the mobile communication signal strength value is reduced to 40 or less, and the mobile communication signal is determined to be a weak signal, and the weak signal call mode is started. Or under normal conditions, the communication signal intensity of the mobile terminal is 5 grids, when the communication signal of the mobile terminal is reduced to 2 grids or less, the mobile terminal is judged to be a weak signal, and a weak signal call mode is started.
S33, judging whether the wireless data network is started, and if the wireless data network is not started, automatically starting the wireless data network;
the wireless data network includes a 4G network and a Wi-F i network.
S34, starting a recording program to record voice data of a first mobile terminal user in real time;
after the weak signal call mode is started, a recording program is started immediately, voice call data of a first mobile terminal user are recorded, and then the recorded data are transmitted to a second mobile terminal through other communication channels.
S35, the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network after being subjected to noise reduction and compression, and the voice data is automatically played through a receiver after being decoded and amplified by the second mobile terminal;
specifically, the voice data of the first recorded mobile terminal is sent in real time, and the available channels include a 4G channel and a Wi-F i channel. Because the 4G signal is a different communication channel than GSM and CDMA, when the GSM signal or CDMA signal is not good, the mobile data network may be available and WI F I may be available.
Therefore, after the weak signal call mode is started, whether the wireless data network is started or not is judged immediately, and if the wireless data network is not started, the wireless data network is started automatically. And then the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network, and the voice data is automatically played through a receiver at the second mobile terminal.
Specifically, the recorded voice call data is subjected to noise reduction through a Spex algorithm, for example, 59K of original data recorded by a mobile phone is subjected to noise reduction and compression through the algorithm, the size of the data is changed into 4K, the compression effect is quite obvious, the data consumption can be well saved, and the data transmission speed can be well ensured.
If the available data transmission channels have both a mobile data network and Wi-F i, recorded, compressed voice data is preferably transmitted to the second mobile terminal via Wi-F i. After the second mobile terminal receives the voice data sent by the first mobile terminal, the data are decoded, optionally, the received 4K data are decoded and played at the same time by using the Aud i oTrack, and recorded voice is amplified through the acdb gain, so that a user of the second mobile terminal can hear the voice of a call.
And S36, detecting the signal intensity of the terminal in real time, and closing the weak signal call mode if the intensity of the mobile communication signal is higher than a set threshold value.
In the process of the weak signal call mode, the voice call originally carried out through the GSM or CDMA network is not cut off, but is carried out simultaneously, if the mobile communication signal is detected to be from weak to strong in the process of the call, namely the intensity of the mobile communication signal is higher than a set threshold value, in order to save communication resources and save electric quantity, the weak signal call mode is closed, and the first mobile terminal and the second mobile terminal recover the call of the GSM or CDMA network.
According to the weak signal call method, the mobile communication signal is detected in the telephone call process, if the mobile communication signal is weakened, a weak signal call mode is started, the voice of the user is recorded and sent to the mobile terminal of the opposite call end through the mobile data network or Wi-F i, and the opposite call end is played, so that the call can be normally carried out under the condition of the weak signal, and the problem that the call cannot be carried out once the signal is changed from strong to weak in the prior art is solved; after the weak signal call mode is started, the signal intensity of the terminal is continuously detected in real time in the passing process, and if the mobile communication signal is changed from weak to strong and is higher than a set threshold value, the weak signal call mode is closed, and the normal call mode is restored.
Example IV
A fourth embodiment of the present invention provides a weak signal call method applied to a second mobile terminal, as shown in fig. 6, the method including the steps of:
s41, after the first mobile terminal and the second mobile terminal are started, detecting whether voice data sent by the first mobile terminal through a wireless data network are received or not;
when the first mobile terminal starts the weak signal call mode, the second mobile terminal which is in call with the first mobile terminal is always in normal call signal environment, so that the second mobile terminal needs to detect whether voice data sent by the first mobile terminal through a wireless data network is received or not in the call process, and whether the second mobile terminal is matched with the weak signal call mode of the first mobile terminal is determined.
S42, if yes, the received voice data is decompressed and then automatically played through the receiver.
If the second mobile terminal receives the voice data sent by the first mobile terminal through the wireless data network, the first mobile terminal is determined to be in a weak signal call environment, the second mobile terminal automatically plays the received voice data through a receiver after decompressing, for example, the received data is decoded and played at the same time by using an Aud i oTrack, and recorded voice is amplified through an acdb gain, so that a user of the second mobile terminal can hear the call voice.
According to the weak signal call method, in the passing process, whether the voice call data sent from the opposite terminal (the first mobile terminal) exist or not is detected in real time, if yes, the voice call data are decompressed and automatically played through the receiver, so that the second mobile terminal can timely identify and adapt to the communication strategy change of the first mobile terminal in the weak signal environment, and normal call is completed.
Example five
A fifth embodiment of the present invention provides a weak signal call method, applied to a second mobile terminal, as shown in fig. 7, the method comprising the steps of,
s51, after the first mobile terminal and the second mobile terminal are started, detecting whether voice data sent by the first mobile terminal through a wireless data network are received or not;
When the first mobile terminal starts the weak signal call mode, the second mobile terminal which is in call with the first mobile terminal is always in normal call signal environment, so that the second mobile terminal needs to detect whether voice data sent by the first mobile terminal through a wireless data network is received or not in the call process, and whether the second mobile terminal is matched with the weak signal call mode of the first mobile terminal is determined.
S52, if yes, the received voice data is decompressed and then automatically played through the receiver.
If the second mobile terminal receives the voice data sent by the first mobile terminal through the wireless data network, the first mobile terminal is determined to be in a weak signal call environment, the second mobile terminal automatically plays the received voice data through a receiver after decompressing, for example, the received data is decoded and played at the same time by using an Aud i oTrack, and recorded voice is amplified through an acdb gain, so that a user of the second mobile terminal can hear the call voice.
S53, starting a recording program to record voice data of a second mobile terminal user in real time;
after the first mobile terminal starts the weak signal call mode, if the second mobile terminal sends voice data to the first mobile terminal through GSM or CDMA, the first mobile terminal cannot normally receive the voice data, so that the second mobile terminal also starts the weak signal call mode correspondingly. And the second mobile terminal receives the voice data sent by the first mobile terminal, determines that the first mobile terminal is in a weak signal call mode, and then starts the weak signal call mode at the second mobile terminal. After the starting, the recording program is started immediately, voice call data of the second mobile terminal user are recorded, and then the recorded data are transmitted to the first mobile terminal through other communication channels.
S54, the recorded voice data is transmitted to the first mobile terminal in real time through a wireless data network after being noise-reduced and compressed, and the voice data is automatically played through a receiver after being decoded and amplified by the first mobile terminal.
Specifically, the voice data of the second recorded mobile terminal is sent in real time, and the available channels include a 4G channel and a Wi-F i channel. Because the 4G signal is a different communication channel than GSM and CDMA, when the GSM signal or CDMA signal is not good, the mobile data network may be available and WI F I may be available.
Therefore, after the second mobile terminal starts the weak signal call mode, whether the wireless data network is started or not is immediately judged, and if the wireless data network is not started, the wireless data network is automatically started. And then the recorded voice data is transmitted to the first mobile terminal in real time through a wireless data network, and the voice data is automatically played through a receiver at the first mobile terminal. And the recorded voice data is transmitted to the first mobile terminal in real time through a wireless data network after being noise-reduced and compressed, and the voice data is automatically played through a receiver after being decoded and amplified by the first mobile terminal.
Specifically, the recorded voice call data is subjected to noise reduction through a Spex algorithm, for example, 59K of original data recorded by a mobile phone is subjected to noise reduction and compression through the algorithm, the size of the data is changed into 4K, the compression effect is quite obvious, the data consumption can be well saved, and the data transmission speed can be well ensured.
If the available data transmission channels have both a mobile data network and Wi-F i, recorded, compressed voice data is preferably transmitted to the first mobile terminal via Wi-F i. After the first mobile terminal receives the voice data sent by the second mobile terminal, the data are decoded, optionally, the received 4K data are decoded and played at the same time by using the Aud i oTrack, and recorded voice is amplified through the acdb gain, so that a user of the second mobile terminal can hear the voice of a call.
Since the weak signal call mode of the second mobile terminal depends on the start of the weak signal call mode of the first mobile terminal, it is necessary to detect whether the voice data transmitted from the first mobile terminal is still continuously received during the call, and if the voice data transmitted from the first mobile terminal is not received any more within a set time, the weak signal call mode is determined to be ended, and normal GSM or CDMA network call is resumed.
According to the weak signal call method implemented in the above embodiment, by detecting a mobile communication signal during a phone call, if the mobile communication signal is weakened, a weak signal call mode is started, the voice of the user is recorded and sent to the mobile terminal of the opposite call end through the mobile data network or Wi-F i, and the opposite call end is played, so that the call can be normally performed under the condition of the weak signal, the second mobile terminal correspondingly starts the weak signal call mode, the voice data of the second mobile terminal is recorded and sent to the first mobile terminal through the wireless communication network, and if the first mobile terminal closes the weak signal call mode, the second mobile terminal also closes the weak signal call mode.
Example six
A sixth embodiment of the present invention provides a mobile terminal, where the structure of the mobile terminal is shown in fig. 1, and the mobile terminal includes a memory 109, a processor 110, and at least one application program stored in the memory 109 and configured to be executed by the processor, where the application program is configured to perform any one of the weak signal conversation methods described in embodiments one, two, three, four, and five.
Example seven
A seventh embodiment of the present invention provides a computer-readable storage medium, where a weak signal call program is stored, where the weak signal call program, when executed by a processor, implements any one of the weak signal call methods described in the first, second, third, fourth, and fifth embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (6)
1. A weak signal call method applied to a first mobile terminal, the method comprising the steps of:
after voice communication between the first mobile terminal and the second mobile terminal is started, detecting the intensity of a mobile communication signal of the first mobile terminal in real time, wherein the mobile communication signal is a GSM signal or a CDMA signal;
if the intensity of the mobile communication signal is lower than a set threshold value, starting a weak signal call mode;
judging whether a wireless data network is started, if not, automatically starting the wireless data network, wherein the wireless data network is a 4G network or Wi-Fi;
starting a recording program to record voice data of a first mobile terminal user in real time;
the recorded voice data is sent to a second mobile terminal in real time through a wireless data network, and the voice data is automatically played through a receiver at the second mobile terminal;
The step of sending the recorded voice data to the second mobile terminal in real time through a wireless data network, wherein the step of automatically playing the voice data at the second mobile terminal through a receiver further comprises the steps of:
and the recorded voice data is transmitted to the second mobile terminal in real time through a wireless data network after being noise-reduced and compressed, and the voice data is automatically played through a receiver after being decoded and amplified by the second mobile terminal.
2. The weak signal conversation method of claim 1 wherein: the voice data after the second mobile terminal automatically plays through the receiver comprises the following steps:
and detecting the signal intensity of the terminal in real time, and closing the weak signal call mode if the intensity of the mobile communication signal is higher than a set threshold value.
3. A weak signal call method is applied to a second mobile terminal, and comprises the following steps,
after the first mobile terminal and the second mobile terminal are started, detecting whether voice data sent by the first mobile terminal through a wireless data network is received, wherein after the voice communication between the first mobile terminal and the second mobile terminal is started, judging whether the wireless data network is started or not when the strength of a mobile communication signal of the first mobile terminal is lower than a set threshold value, if the wireless data network is not started, automatically starting the wireless data network, starting a recording program to record voice data of a user of the first mobile terminal in real time, reducing noise of the recorded voice data, compressing the voice data, and then sending the voice data to the second mobile terminal in real time through the wireless data network, wherein the mobile communication signal is a GSM signal or a CDMA signal, and the wireless data network is a 4G network or Wi-Fi;
If yes, the received voice data is automatically played through the receiver after being decoded and amplified.
4. A weak signal conversation method according to claim 3 wherein if so, the received voice data is decoded, amplified and automatically played by the handset, and then comprises:
starting a recording program to record voice data of a second mobile terminal user in real time;
and sending the recorded voice data to the first mobile terminal in real time through a wireless data network, wherein the voice data is automatically played through a receiver at the first mobile terminal.
5. A mobile terminal comprising a memory, a processor and at least one application stored in the memory and configured to be executed by the processor, characterized in that the at least one application is configured to perform the weak signal telephony method of claim 1 or 2.
6. A computer readable storage medium, wherein a weak signal call program is stored on the computer readable storage medium, which when executed by a processor, implements the steps of the weak signal call method of claim 1 or 2.
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