Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
ITU-T (International Telecommunication Union Telecommunication Standardization Sector, international telecommunication union telecommunication's Standardization Sector) at it, K.52 in recommendation, introduced about observing the guide of elect magnetic field person exposure limits, and introduced therein EMF (Electromagnetic Fields, electro magnetic field electromagnetic radiation) the simple appraisal procedure exposing, and the calculating formula of the electromagnetic radiation intensity (also referred to as " power density ") that calculates certain position is provided.The embodiment of the present invention is at ITU-T K.52 on the basis of recommendation, provides a kind of and can facilitate user to assess at any time method and the mobile terminal of fail safe that current location is subject to the electromagnetic radiation of antenna for base station.
Please refer to Fig. 1, is the schematic flow sheet of the first embodiment of a kind of method of assessing electromagnetic radiation fail safe of the present invention.The executive agent of the embodiment of the method for Fig. 1 can be can realize the mobile terminal of functions such as calling, receive and dispatch note, wireless Internet access such as mobile phone etc.The method flow of Fig. 1 comprises:
Step S11, obtains antenna for base station at the relative position information of radiation power value and antenna for base station and the current location of current location.
Wherein, current location refers to the residing position of mobile terminal current time of carrying out the present embodiment.Radiation power value is called again " signal strength signal intensity that mobile phone receives ", this value is one of indispensable parameter of mobile phone normal communication, general regular handset can directly not provide user interface to show this parameter, and smart mobile phone generally can provide user interface to show this parameter, for example, show: " current demand signal intensity is-56dBm "; When therefore the mobile phone of the present embodiment need to be assessed the electromagnetic radiation fail safe of current location, can directly inquire about base station in the radiation power value of current location by polling routine.
The relative position information of antenna for base station and current location comprises: the air line distance of antenna for base station and current location and the angle of base station; This relative position information is by the out of Memory obtaining, to calculate or directly to obtain, for example:
In some execution modes, according to user's input, obtain the relative position information of antenna for base station and current location.
As shown in Figure 2, user can assess horizontal range x and the vertical range h of antenna for base station (shown position A) and user's current location (shown position B), horizontal range x and the vertical range h of the information input interface input assessment then providing to mobile phone, mobile phone can be according to preset formula: r so
2=h
2+ x
2, calculate the air line distance r of antenna for base station and current location, and according to preset formula: θ=tan
-1(x/h), calculate the angle θ of antenna for base station.It should be noted that, if the vertical range h in above-mentioned formula refers to the distance between antenna for base station and ground, in so above-mentioned formula, it is also conceivable that mobile phone height h1 overhead, the h being about in above-mentioned formula replaces with (h-h1), now height h1 can be inputted by user, or is predisposed to 1.6m or is predisposed to other value.
Fig. 2 is the situation of user in ground, can be with reference to figure 3 when user is on floor.Under this kind of scene, user can assess the height h of antenna for base station (position A in diagram), the horizontal range x of antenna for base station and user's current location (position B in diagram), and the height h1 of floor, when mobile phone receives user and keys in these assessed values by the inputting interface providing, mobile phone can be according to r
2=(h-h1)
2+ x
2, the angle θ=tan of antenna
-1[x/ (h-h1)], calculates in the certain above-mentioned formula of the air line distance r of antenna for base station and current location and the angle θ of antenna for base station and also can consider further that mobile phone is from the height of floor end face.
In some execution modes, can obtain by base station the relative position information of antenna for base station and current location.These execution modes refer to that base station can arrange some location parameter, are used for representing the relative position information of the current location of antenna for base station and mobile phone; So, base station is after the request of obtaining relative position information that receives mobile phone, can be for helping positioning function, GPS (Global Positioning System for example, global positioning system), determine the relative position information of the current location of antenna for base station and mobile phone, and be sent to mobile phone by location parameter.
In some execution modes, can also relative to moving of base station, obtain by user the relative position information of antenna for base station and current location.
As shown in Figure 4, due to user is sayed, the horizontal range between antenna for base station and user's current location is difficult for assessment, and assessment poor accuracy.Therefore user can move relative to antenna for base station (diagram Zhong position A), for example, to moving horizontally towards antenna for base station or away from the direction of antenna for base station, and to the height h of the antenna for base station of mobile phone input prediction and relative to the distance x2 moving of antenna for base station, when mobile phone is received these information, can be according to the radiation power value of mobile front and back 2 points (diagram Zhong position B and position C) of record, calculate x2, and then according to the account form of front two execution modes, calculate relative position information (r1 or r2, θ 1 or θ 2).
Further, step S11 can also obtain the type information of antenna and/or current scene information.Wherein, the type information of antenna comprises: omni-directional antenna or orthotype antenna; Current scene information comprises: scene, indoor scene or street scene between wilderness scene, roof scene, housing-group.These information all can be inputted by user, or the option that provides these information for user, by user, are selected.
Step S12, the information of obtaining according to step S11, is converted to antenna for base station at the electromagnetic radiation intensity of current location by antenna for base station in the radiation power value of current location.Be mainly the appraisal procedure realization according to the electromagnetic radiation that K.52 suggestion is introduced of ITU-T herein.
Wherein, in step S12, can, according to the relative position information of antenna for base station and current location, antenna for base station be converted to antenna for base station at the electromagnetic radiation intensity of current location in the radiation power value of current location.Or, on this basis, can also consider further the type information of antenna and/or current scene information, further to obtain electromagnetic radiation intensity more accurately.
Step S13, the electromagnetic radiation intensity that step S12 is obtained and electromagnetic radiation limit value line compare, and determine the electromagnetic radiation fail safe of current location.
Wherein, the electromagnetic radiation limit value line comparing with electromagnetic radiation intensity can be the electromagnetic radiation limit value line of WHO, ICNIRP and IEEE regulation, or each regional self-ordained electromagnetic radiation limit value line, or the proportionality coefficient according to user's input dwindles for example, electromagnetic radiation limit value line after 1/n (n is positive integer, gives tacit consent to n=10) by above-mentioned electromagnetic radiation limit value line.Further, electromagnetic radiation limit value line comprises: workman's limit value line of working, and public's limit value line, etc.
The electromagnetic radiation fail safe of the current location that assessment obtains can comprise: the fail safe that the fail safe that non-safety, workman's job security, public security, user set or non-user set.For example: electromagnetic radiation intensity is greater than workman while working limit value line, is evaluated as non-safety; When electromagnetic radiation intensity is less than workman's limit value line of working, while being greater than public's limit value line, be evaluated as workman's limit value line of working; When electromagnetic radiation intensity is less than public's limit value line, be evaluated as public security; When electromagnetic radiation intensity is greater than the 1/n electromagnetic radiation limit value line of user's setting, be evaluated as the fail safe that non-user sets; When electromagnetic radiation intensity is less than the 1/n electromagnetic radiation limit value line of user's setting, be evaluated as the fail safe that user sets.
Further, please refer to Fig. 5, is the schematic flow sheet about the embodiment of step S13, and this step S13 comprises:
Step S131, obtains the regional information of current location.
Wherein, can obtain by modes such as GPS locate the regional information of current location, this area's information can be with national information, can be also the information such as province ,Zhou, city.
Step S132, according to regional information, obtain the electromagnetic radiation limit value line in area under current location.
Step S133, compares described electromagnetic radiation intensity and the electromagnetic radiation limit value line obtaining, and determines the electromagnetic radiation fail safe of current location.
The present embodiment is converted to antenna for base station in the mode of the electromagnetic radiation intensity of current location by antenna for base station in the radiation power value of current location, obtaining antenna for base station adds and penetrates intensity at the electromagnetism of current location, and the electromagnetic radiation intensity obtaining and preset electromagnetic radiation limit value line are compared, to determine the electromagnetic radiation fail safe of current location.Because antenna for base station is the indispensable parameter that the mobile terminals such as mobile phone communicate in the radiant power of current location, each mobile terminal that can communicate all can obtain this parameter, therefore the method for the embodiment of the present invention can realize like a cork in the mobile terminals such as mobile phone, thereby make user can by the mobile terminal fasts such as mobile phone obtain the electromagnetic radiation safety information of current location, improve the transparency of the electromagnetic radiation intensity of antenna for base station.
Please refer to Fig. 6, is the schematic flow sheet of the second embodiment of the present invention's method of assessing electromagnetic radiation fail safe.The difference of Fig. 6 and Fig. 1 is, also comprises:
Step S14, shows the electromagnetic radiation fail safe of current location, and/or, according to the electromagnetic radiation fail safe of current location, carry out alarm.
Wherein, alarm comprises: prompting user leaves, points out user to be no more than predetermined value or prompting user current location safety in the time of current location.For example: when the fail safe of assessment is non-safety, prompting user leaves; In the fail safe of assessment while be workman's job security, point out user in current location not over 8 hours.
Further, the mode of alarm can be also warning information to be sent to by bluetooth or the technology such as infrared on other electronic equipment of user to carry out alarm, and these these examples all do not limit.
The present embodiment is by showing and/or understand when the mode of alarm can make user anxious the electromagnetic radiation fail safe of current location, avoid user in the low environment of electromagnetic radiation fail safe, thereby avoid user to be subject to high-intensity electromagnetic radiation mapping, be conducive to guarantee that user's is healthy.A kind of application of the present embodiment is when the normal standby of mobile phone, to monitor at any time the electromagnetic radiation fail safe of present position, low when monitoring in fail safe, and for example when non-safety or workman's job security, prompting user leaves as early as possible.
Please refer to Fig. 7, is the schematic flow sheet of the 3rd embodiment of the method for assessment electromagnetic radiation fail safe of the present invention.The method flow of Fig. 7 comprises:
Step S101, obtains the base station radiation power value of the current location of mobile phone.
Wherein, when receive user when determining the request of electromagnetic radiation fail safe of current location, execution step S101, or regularly perform step S101.Because the base station radiation power value of the current location of mobile phone is the indispensable parameter that mobile phone communicates, in mobile phone, there is record; Therefore, step S101 can directly utilize the base station radiation power value of polling routine query note.
Step S102, user selects the mode of input parameter, if user selects manual input to forward step S103 to, if user selects automatic acquisition, forwards step S104 to.
Step S1 03, and user's input level distance, the height of antenna for base station, the height of oneself are selected antenna type and residing scene type, forward step S105 to.
Wherein, the height of user's input level distance, antenna for base station, own height are the scenes of corresponding diagram 2 and Fig. 3 introduction, according to the relative position information of user's input level distance, the height of antenna for base station, the high computational user of oneself and antenna for base station.
Step S104, is obtained and inputs by relatively moving by base station or user, forwards step S105 to.
Wherein, step S104 is the corresponding relative position information that obtains user and antenna for base station by base station, or the scene of Fig. 4 is obtained the relative position information of user and base station.It should be noted that, step S104 is only part automatic acquisition herein, and some needs user to input or selects, for example: the height of antenna for base station in Fig. 4 is, the type of antenna, the residing scene type of people.
Step S105, the electromagnetic radiation field intensity of evaluates calculation current environment, forwards step S106 to.
Step S201, inquires about embedded GPS or the setting of architecture system, inquiry country.
Wherein, in the time need to assessing the electromagnetic radiation fail safe of current location, execution step S201.
Step S202, inquires about national limit value line and 1/n limit of electric field strength line, and offers step S106.
Wherein, the national information inquiring according to step S201, inquires about this national electromagnetic radiation limit value line; As look into this country and there is no electromagnetic radiation limit value line, just with general in the world ICNIRP limit value line.If user is provided with 1/n parameter, also obtain 1/n limit of electric field strength line herein.
Whether step 106, surpass limit value line.
By the limit value line comparison of the electromagnetic radiation intensity of step S105 and step S202, assessment electromagnetic radiation fail safe.
Step S107, shows and/or alarm.
Be same as step S14.
Corresponding to said method flow process, to carrying out the terminal of said method flow process, describe below.
Please refer to Fig. 8, is the structural representation of the first embodiment of the mobile terminal for assessment of electromagnetic radiation fail safe of the present invention.This mobile terminal 1 comprises:
Acquiring unit 11, for obtaining antenna for base station at the relative position information of radiation power value and antenna for base station and the current location of current location.
Wherein, current location refers to the mobile terminal 1 residing position of current time.Radiation power value is called again " signal strength signal intensity that mobile phone receives ", this value is one of indispensable parameter of mobile phone normal communication, general regular handset can directly not provide user interface to show this parameter, and smart mobile phone generally can provide user interface to show this parameter, for example, show: " current demand signal intensity is-56dBm ".When the mobile phone of the present embodiment need to be assessed the electromagnetic radiation fail safe of current location, can directly inquire about base station in the radiation power value of current location by polling routine.
The relative position information of antenna for base station and current location comprises: the air line distance of antenna for base station and current location and the angle of base station.This relative position information is by the out of Memory obtaining, to calculate or directly to obtain, for example:
In some execution modes, according to user's input, obtain the relative position information of antenna for base station and current location.
As shown in Figure 2, user can assess horizontal range x and the vertical range h of antenna for base station (shown position A) and user's current location (shown position B), then the information input interface input level providing to mobile phone is apart from x and vertical range h, and mobile phone can be according to preset formula: r so
2=h
2+ x
2, calculate the air line distance r of antenna for base station and current location, and according to preset formula: θ=tan
-1(x/h), calculate the angle θ of antenna for base station.It should be noted that, if the vertical range h in above-mentioned formula refers to the distance between antenna for base station and ground, in so above-mentioned formula, it is also conceivable that mobile phone height h1 overhead, the h being about in above-mentioned formula replaces with (h-h1), now height h1 can be inputted by user, or is predisposed to 1.6m or is predisposed to other value.
Fig. 2 is the situation of user in ground, can be with reference to figure 3 when user is on floor.Under this kind of scene, user can assess the height h of antenna for base station (position A in diagram), the horizontal range x of antenna for base station and user's current location (position B in diagram), and the height h1 of floor, when these assessed values that user keys in by the inputting interface that provides are provided mobile phone, mobile phone can be according to r
2=(h-h1)
2+ x
2, the angle θ=tan of antenna
-1[x/ (h-h1)], calculates the air line distance r of antenna for base station and current location and the angle θ of antenna for base station, also can consider further that mobile phone is from the height of floor end face in certain above-mentioned formula.
In some execution modes, can obtain by base station the relative position information of antenna for base station and current location.These execution modes refer to that base station can arrange some location parameter, are used for representing the relative position information of the current location of antenna for base station and mobile phone; So, base station is after the request of obtaining relative position information that receives mobile phone, can be for helping positioning function, GPS (Global Positioning System for example, global positioning system), determine the relative position information of the current location of antenna for base station and mobile phone, and be sent to mobile phone by location parameter.
In some execution modes, can also relative to moving of base station, obtain by user the relative position information of antenna for base station and current location.
As shown in Figure 4, due to user is sayed, the horizontal range between antenna for base station and user's current location is difficult for assessment, and assessment poor accuracy.Therefore user can move relative to antenna for base station (diagram Zhong position A), for example, to moving horizontally towards antenna for base station or away from the direction of antenna for base station, and to the height h of the antenna for base station of mobile phone input prediction and relative to the distance x2 moving of antenna for base station, when mobile phone is received these information, can be according to the radiation power value of mobile front and back 2 points (diagram Zhong position B and position C) of record, calculate x2, and then according to front calculating relative position information (r1 or r2, θ 1 or θ 2).
Further, acquiring unit 11, also for obtaining the type information of antenna of base station and/or current scene information.Wherein, the type information of antenna comprises: omni-directional antenna or orthotype antenna; Current scene information comprises: scene, indoor scene or street scene between wilderness scene, roof scene, housing-group.These information all can be inputted by user, or the option that provides these information for user, by user, are selected.
Converting unit 12, for according to the information of obtaining, is converted to antenna for base station at the electromagnetic radiation intensity of current location by antenna for base station in the radiation power value of current location.Be mainly the appraisal procedure realization according to the electromagnetic radiation that K.52 suggestion is introduced of ITU-T herein.
Wherein, in converting unit 12, can, according to the relative position information of antenna for base station and current location, antenna for base station be converted to antenna for base station at the electromagnetic radiation intensity of current location in the radiation power value of current location.Or, on this basis, can also consider further the type information of antenna and/or current scene information, further to obtain electromagnetic radiation intensity more accurately.
Fail safe determining unit 13, compares for electromagnetic radiation intensity and the electromagnetic radiation limit value line that converting unit 12 is obtained, and determines the electromagnetic radiation fail safe of current location.
Wherein, the electromagnetic radiation limit value line comparing with electromagnetic radiation intensity can be the electromagnetic radiation limit value line of WHO, ICNIRP and IEEE regulation, or each regional self-ordained electromagnetic radiation limit value line, or the proportionality coefficient according to user's input dwindles for example, electromagnetic radiation limit value line after 1/n (n is positive integer, gives tacit consent to n=10) by above-mentioned electromagnetic radiation limit value line.Further, electromagnetic radiation limit value line comprises: workman's limit value line of working, and public's limit value line, etc.
The electromagnetic radiation fail safe of the current location that assessment obtains can comprise: the fail safe that the fail safe that non-safety, workman's job security, public security, user set or non-user set.For example: electromagnetic radiation intensity is greater than workman while working limit value line, is evaluated as non-safety; When electromagnetic radiation intensity is less than workman's limit value line of working, while being greater than public's limit value line, be evaluated as workman's limit value line of working; When electromagnetic radiation intensity is less than public's limit value line, be evaluated as public security; When electromagnetic radiation intensity is greater than the 1/n electromagnetic radiation limit value line of user's setting, be evaluated as the fail safe that non-user sets; When electromagnetic radiation intensity is less than the 1/n electromagnetic radiation limit value line of user's setting, be evaluated as the fail safe that user sets.
Further, please refer to Fig. 9, is the structural representation about the embodiment of converting unit 12, and this converting unit 12 comprises:
Regional information obtains subelement 121, for obtaining the regional information of current location.
Wherein, can obtain by modes such as GPS locate the regional information of current location, this area's information can be with national information, can be also the information such as province ,Zhou, city.
Limit value line obtains subelement, for according to regional information, obtains the electromagnetic radiation limit value line in the affiliated area of current location.
Subelement is determined in fail safe, for described electromagnetic radiation intensity and the electromagnetic radiation limit value line obtaining are compared, determines the electromagnetic radiation fail safe of current location.
The present embodiment is converted to antenna for base station in the mode of the electromagnetic radiation intensity of current location by antenna for base station in the radiation power value of current location, obtaining antenna for base station adds and penetrates intensity at the electromagnetism of current location, and the electromagnetic radiation intensity obtaining and preset electromagnetic radiation limit value line are compared, to determine the electromagnetic radiation fail safe of current location.Because antenna for base station is the indispensable parameter that the mobile terminals such as mobile phone communicate in the radiant power of current location, each mobile terminal that can communicate all can obtain this parameter, therefore the method for the embodiment of the present invention can realize like a cork in the mobile terminals such as mobile phone, thereby make user can obtain quickly and easily by mobile terminals such as mobile phones the electromagnetic radiation safety information of current location, improve the transparency of the electromagnetic radiation intensity of antenna for base station.
Please refer to Figure 10, is the structural representation of the second embodiment of the present invention's mobile terminal of assessing electromagnetic radiation fail safe.The difference of Figure 10 and Fig. 8 is, also comprises:
Show and/or Alarm Unit, for showing the electromagnetic radiation fail safe of current location, and/or, according to the electromagnetic radiation fail safe of current location, carry out alarm.
Wherein, alarm comprises: prompting user leaves, points out user to be no more than predetermined value or prompting user current location safety in the time of current location.For example: when the fail safe of assessment is non-safety, prompting user leaves; In the fail safe of assessment while be workman's job security, point out user in current location not over 8 hours.
Further, the mode of alarm can be also warning information to be sent to by bluetooth or the technology such as infrared on other electronic equipment of user to carry out alarm, and these these examples all do not limit.
The present embodiment is by showing and/or understand when the mode of alarm can make user anxious the electromagnetic radiation fail safe of current location, avoid user in the low environment of electromagnetic radiation fail safe, thereby avoid user to be subject to high-intensity electromagnetic radiation mapping, be conducive to guarantee that user's is healthy.A kind of application of the present embodiment is when the normal standby of mobile phone, to monitor at any time the electromagnetic radiation fail safe of present position, low when monitoring in fail safe, and for example when non-safety or workman's job security, prompting user leaves as early as possible.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and the equivalent variations of doing according to the claims in the present invention, still belong to the scope that invention is contained.