Background technology
Mobile communication terminals such as mobile phone have obtained using widely at present, but the covering situation of existing network has unfavorable situation unavoidably, such as in office building, mobile phone signal is just often bad, since the user can't real time inspection shows signal intensity signal lattice number, therefore usually enter into weak signal or the no signal zone is not discovered yet, thereby missing important note or phone easily.
Can remind the user when serving the blind area in order to enter at user mobile phone, a solution of prior art is: the limit value that a mobile phone signal intensity is set, detect the signal strength signal intensity that receives in real time, just send the alarm prompt user when signal strength signal intensity is lower than this limit value in case detect.
In realizing process of the present invention, the inventor finds prior art, and there are the following problems at least: since mobile phone no signal or weak signal belong to normal phenomenon once in a while, some can recover in very short time, if a little less than detecting signal, point out the user, then can not reflect the actual conditions of network, thereby cause the rate of false alarm height and the misleading user.
Summary of the invention
The object of the invention provides a kind of signal prompt method, device and mobile communication terminal of mobile communication terminal, to reduce the rate of false alarm of weak signal prompting.
For realizing above goal of the invention, one embodiment of the invention provides a kind of signal prompt method of mobile communication terminal, and described method comprises: the signal strength signal intensity of measuring described mobile communication terminal; Calculate the percentage of time that time that described signal strength signal intensity is lower than a signal strength threshold accounts for a real-time time slip-window; If described percentage of time reaches a time percentage threshold with the condition prompting user of no signal or weak signal.
For realizing above goal of the invention, another embodiment of the present invention provides a kind of signal prompt device of mobile communication terminal, and described signal prompt device comprises: signal strength measurement unit is used to measure the signal strength signal intensity of described mobile communication terminal; Signal strength signal intensity is the unit relatively, is used to calculate the percentage of time that time that described signal strength signal intensity is lower than a signal strength threshold accounts for a real-time time slip-window; The signal condition Tip element, if described percentage of time reaches a time percentage threshold with the condition prompting user of no signal or weak signal.
For realizing above goal of the invention, further embodiment of this invention provides a kind of mobile communication terminal, described mobile communication terminal comprises: radio frequency unit, Base Band Unit and CPU, and described radio frequency unit, Base Band Unit and described CPU are coupled; Described mobile communication terminal also comprises the signal prompt device that is coupled with described CPU, and described signal prompt device comprises: signal strength measurement unit is used to measure the signal strength signal intensity of described mobile communication terminal; Signal strength signal intensity is the unit relatively, is used to calculate the percentage of time that time that described signal strength signal intensity is lower than a signal strength threshold accounts for a real-time time slip-window; The signal condition Tip element, if described percentage of time reaches a time percentage threshold with the condition prompting user of no signal or weak signal.
The embodiment of the invention judges by a time slip-window is set whether signal strength signal intensity continues for some time the signal strength threshold that is lower than setting, if percentage that should shared time slip-window of duration is just pointed out the user when having reached threshold value.This mode can make this prompting reflect the actual conditions of network more accurately, has reduced rate of false alarm.
Embodiment
Specific embodiments of the present invention is described in detail below in conjunction with accompanying drawing.
The embodiment of the invention provides a kind of signal prompt method and mobile communication terminal of mobile communication terminal.This method at first is provided with a time slip-window, and whether the percentage that the time span that the signal strength signal intensity that judge to receive is lower than signal strength threshold accounts for this time slip-window reaches default percentage, if reach then with the condition prompting user of no signal or weak signal.
Fig. 1 is the schematic diagram of embodiment of the invention mobile communication terminal.As shown in Figure 1, conventional mobile communication terminal mainly comprises: central processing unit, radio frequency unit and baseband circuit, wherein radio frequency unit, baseband circuit and central processing unit are coupled.In addition, the conventional mobile phone terminal also comprises the SIM card that links to each other with central processing unit, storage device (as FALSH and RAM), SMS module, LCD display etc.The mobile communication terminal of present embodiment has increased the signal prompt device that is coupled with central processing unit newly on the basis of conventional mobile phone terminal.In actual applications, this signal prompt device also can be the part of central processing unit.
Fig. 2 is the functional block diagram of present embodiment signal prompt device.As shown in Figure 2: the signal prompt device of present embodiment comprises: signal strength measurement unit 10 is used to measure the signal strength signal intensity of described mobile communication terminal; Signal strength signal intensity is unit 11 relatively, is used to calculate the percentage of time that time that described signal strength signal intensity is lower than a signal strength threshold accounts for a real-time time slip-window; Signal condition Tip element 12, if described percentage of time reaches a time percentage threshold with the condition prompting user of no signal or weak signal, mobile communication terminal can pass through literal, voice, vibration, the tinkle of bells or audible and visual alarm, with the condition prompting user of no signal or weak signal.
Default value when signal strength threshold, time slip-window length and percentage of time threshold value can adopt mobile communication terminal to dispatch from the factory also can be provided with by the user.The mobile communication terminal of Fig. 1 also comprises: signal strength threshold is provided with unit 13, is used to receive user's first instruction, according to described first instruction described signal strength threshold is set; Time slip-window is provided with unit 14, is used to receive user's second instruction, according to described second instruction length of described time slip-window is set; Percentage of time threshold setting unit 15 is used to receive user's the 3rd instruction, according to described the 3rd instruction described percentage of time threshold value is set; Threshold value memory cell 16, the length and the described percentage of time threshold value that are used to store described signal strength threshold, described time slip-window.
In one embodiment, the user can finish above setting by the menu of terminal, and the user can come the signalization intensity threshold by selecting minimum signal lattice number, and the signal strength signal intensity that minimum signal lattice are counted correspondence is signal strength threshold; The user also directly the value of input signal strength come setting signal intensity.In addition, this mobile communication terminal can also comprise a special key or menu option and starts or close this signal prompt function.
Fig. 3 is the detail flowchart of signal prompt method of the present invention.In this concrete example, the length of time slip-window is 5 minutes; This time slip-window is that unit is in real time to front slide with the second; Signal strength threshold is 2 lattice; The percentage of time threshold value is 20%.To be signal strength signal intensity reached in 5 minutes 1 minute less than the time span of 2 lattice then points out the user.
If less than 20%, then time window continues to front slide one second signal strength signal intensity less than the percentage of time of two lattice in 5 minutes; If signal strength signal intensity meets or exceeds 20% less than the percentage of time of two lattice in 5 minutes, then point out the user, time slip-window advanced one second in real time simultaneously.This time slip-window is the past time period of 5 minutes of reach of current time, and advances as time passes.The mode of prompting can be literal, voice, vibration, the tinkle of bells or acousto-optic.
The technical scheme of the embodiment of the invention adopts time slip-window binding signal intensity threshold to judge the actual conditions of network, more weak and just point out the user when reaching certain hour when network signal intensity, this way can embody the actual conditions of network more accurately, improved the accuracy rate of forecast, improved user experience, avoided the user because of long-time no signal of mobile phone or weak signal and miss important phone or note.
Through the above description of the embodiments, those skilled in the art can be well understood to some embodiments of the present invention and can realize by the mode that software adds essential general hardware platform, can certainly realize by hardware.Based on such understanding, technical scheme of the present invention can embody with the form of software product, and this software product is stored in the storage medium, comprises that some instructions are used so that a computing equipment is carried out the described method of each embodiment of the present invention.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.