CN103919538A - Information collecting system and method of body area network system - Google Patents
Information collecting system and method of body area network system Download PDFInfo
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- CN103919538A CN103919538A CN201410183604.4A CN201410183604A CN103919538A CN 103919538 A CN103919538 A CN 103919538A CN 201410183604 A CN201410183604 A CN 201410183604A CN 103919538 A CN103919538 A CN 103919538A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an information collecting system and method of a body area network system. The method includes the steps that at least one physiological sign is collected by a wireless sensor according to a primary sampling cycle; the grade of each physiological sign is determined in sequence by a gateway processor; optimal sampling cycles corresponding to the physiological signs are determined according to the grades, and the wireless sensor is controlled to collect the physiological signs according to the optimal sampling cycles. By means of the system and method, the optical sampling cycles for collecting the physiological signs are determined according to the grades of originally-collected physiological sign data, the sampling cycles of physiological signs with low grades are long, the data volume of transmitting the physiological signs with low grades in the body area network system is reduced, the data volume of unimportant or redundant information transmitted in the body area network system is correspondingly reduced, the flow of a network can be flexibly controlled, emergency data can be collected in time, the network load of the body area network system is reduced as much as possible, and the service quality of the body area network system is improved.
Description
Technical field
The present invention relates to areas of information technology, relate in particular to a kind of information acquisition system and method for body area network system.
Background technology
At present, senescence is more and more serious, and chronic disease is also being on the increase, increasing people is for a long time in sub-health state, health body constitution constantly weakens, and diabetes, the sickness rate of hypertension chronic diseases, mortality rate improve constantly, and resident healthy caused to serious threat.Traditional pattern of seeking medical advice, cannot take the front prevention of disease into account, and the course of disease of chronic disease is longer, needs long-term treatment, not only patient family has been caused to heavy economy, nursing pressure, has also occupied a large amount of social medical resources.
The appearance of body area network (body area network, BAN) is exactly in order to alleviate the problems referred to above.Particularly, body area network is made up of a set of small and exquisite removable, wireless senser with communication function and gateway (also fit body main website).Wherein, with it each wireless senser both can be worn on, also in implantable, these wireless sensers can gather physiology sign signal (as temperature, blood oxygen, blood pressure, electrocardio etc.), physical activity or actuating signal and the human body place environmental information that heavy sensation of the whole body is wanted, and process these signals and they are transferred on the gateway of carrying.Gateway is the manager of network, is also the bridge between body area network and external network (as 3G, WiMAX, Wi-Fi etc.), makes data be transmitted safely and to exchange.
But, traditional gateway has been mainly used to the effect of protocol conversion, realize the interconnected of body area network and external network, and do not remove to pay close attention to the particular content of the application data transmitted, the information of some inessential even redundancy also can be propagated on network like this, and some important data likely cannot be processed timely.Can reduce like this service quality of system, and the propagation of redundancy also can be wasted energy, increase gateway power consumption.
Summary of the invention
Can increase the problem of gateway power consumption in order to solve the redundancy of body area network output in prior art, the invention provides a kind of information acquisition system and method for body area network system, make body area network not only can complete collection and the forwarding of physiology sign data, can also carry out autotelic collection to physiology sign, reduce redundancy, reduced gateway power consumption.
For achieving the above object, technical scheme of the present invention is:
A kind of information acquisition system of body area network system, comprise gateway processor, external network, first interface equipment, the second interface equipment and at least one wireless senser, each described wireless senser is electrically connected with described gateway processor by described first interface equipment, and described gateway processor is electrically connected with described external network by described the second interface equipment;
Described wireless senser, for gathering at least one physiology sign according to the initial sampling period;
Described gateway processor comprises classification unit and preferred sampling period determining unit;
Described classification unit, to every physiology sign, determines grade corresponding to described physiology sign for successively;
Described preferred sampling period determining unit, for according to described grade, determines the preferred sampling period that described physiology sign is corresponding, and controls described wireless senser and gather described physiology sign according to the described preferred sampling period.
Preferably, described information acquisition system also comprises:
Power-supply management system, for gathering the dump energy of the battery of described body area network system according to the described initial sampling period;
The first judging unit, for the current dump energy of described battery sending according to described power-supply management system, judges whether to enter low-power consumption drainage pattern;
The second judging unit, is electrically connected with described classification unit, the grade sending for receiving described classification unit; In the situation that entering described low-power consumption drainage pattern, judge whether described grade is more than or equal to the grade threshold of setting; In the situation that described grade is more than or equal to described grade threshold, notify described preferred sampling period determining unit according to described grade, determine the preferred sampling period that described physiology sign is corresponding and control described wireless senser to gather described physiology sign according to the described preferred sampling period; And in the situation that described grade is less than described grade threshold, controls described wireless senser and stop gathering described physiology sign.
Preferably, described the first judging unit, specifically for judging whether the current dump energy of described battery is less than the first power threshold of setting, and be less than described the first power threshold at the current dump energy of described battery, determine and enter described low-power consumption drainage pattern.
Preferably, described information acquisition system also comprises:
The 3rd judging unit, be electrically connected with described the second judging unit and described power-supply management system respectively, for stopping gathering after described physiology sign at wireless senser described in described the second judging unit control, the current dump energy of battery sending according to the described power-supply management system receiving, judges whether to exit described low-power consumption drainage pattern; And exiting in described low-power consumption drainage pattern situation, notify described preferred sampling period determining unit according to described grade, determine the preferred sampling period that described physiology sign is corresponding and control described wireless senser to gather described physiology sign according to the described preferred sampling period.
Preferably, described the 3rd judging unit, specifically for judging whether the current dump energy of described battery is more than or equal to the second power threshold of setting, described the second power threshold is more than or equal to described the first power threshold, and be more than or equal to described the second power threshold at the current dump energy of described battery, determine and exit described low-power consumption drainage pattern.
An information collecting method for body area network system, comprising:
Wireless senser gathers at least one physiology sign according to the initial sampling period;
Gateway processor receives the physiology sign that described wireless senser sends, and successively to every physiology sign, determines grade corresponding to described physiology sign, and according to described grade, determines the preferred sampling period that described physiology sign is corresponding;
Described in described gateway processor control, wireless senser gathers described physiology sign according to the described preferred sampling period.
Preferably, described method also comprises:
Power-supply management system gathers the dump energy of the battery of described body area network system according to the described initial sampling period;
Described gateway processor, according to described grade, before determining preferred sampling period corresponding to described physiology sign, according to the current dump energy of described battery of described power-supply management system transmission, judges whether to enter low-power consumption drainage pattern; If enter described low-power consumption drainage pattern, judge whether described grade is more than or equal to the grade threshold of setting; If so, according to described grade, determine the preferred sampling period that described physiology sign is corresponding, and control described wireless senser and gather described physiology sign according to the described preferred sampling period; If not, control described wireless senser and stop gathering described physiology sign.
Preferably, the described dump energy current according to described battery, judges whether to enter low-power consumption drainage pattern and comprises:
Judge whether the current dump energy of described battery is less than the first power threshold of setting;
If so, determine and enter described low-power consumption drainage pattern.
Preferably, described method also comprises:
Described gateway processor stops gathering after described physiology sign described, and the dump energy current according to described battery, judges whether to exit described low-power consumption drainage pattern;
If so, according to described grade, determine the preferred sampling period that described physiology sign is corresponding, and control described wireless senser and gather described physiology sign according to the described preferred sampling period.
Preferably, the described dump energy current according to described battery, judges whether to exit low-power consumption drainage pattern and comprises:
Judge whether the current dump energy of described battery is more than or equal to the second power threshold of setting, and described the second power threshold is more than or equal to described the first power threshold;
If so, determine and exit described low-power consumption drainage pattern.
Beneficial effect of the present invention is, information acquisition system and the method for application the present embodiment body area network system, according to the grade corresponding to every physiology sign data of initial acquisition, determine the preferred sampling period that gathers every physiology sign, the sampling period of junior like this physiology sign is longer, thereby reduce the data volume of transmitting this kind of physiology sign in body area network system, also just reduced the data volume of the inessential or redundancy of transmitting in body area network system, can control flexibly the flow of network, ensure the timely collection of emergency data, reduce as much as possible the offered load of body area network system, improve the service quality of body area network system.
Brief description of the drawings
Fig. 1 shows a kind of flow chart of the information collecting method of embodiment of the present invention body area network system;
Fig. 2 shows the another kind of flow chart of the information collecting method of embodiment of the present invention body area network system;
Fig. 3 shows a kind of structural representation of the information acquisition system of embodiment of the present invention body area network system;
Fig. 4 shows the another kind of structural representation of the information acquisition system of embodiment of the present invention body area network system.
Description of reference numerals
301 wireless senser 402 first judging units
302 classification unit 403 second judging units
303 preferred sampling period determining unit 404 the 3rd judging units
401 power-supply management systems
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
The defect existing in order to solve body area network system in prior art: carrying out in physiology sign information gathering process, do not consider the particular content of Information Monitoring, but the full detail collecting is all propagated in external network, wherein is no lack of redundancy, timely collection and the transmission of important information are affected, increase offered load, reduced the service quality of system, the embodiment of the present invention has proposed a kind of information acquisition system and method for body area network system.
As shown in Figure 1, be a kind of flow chart of the information collecting method of embodiment of the present invention body area network system, the information collecting method of described body area network system, comprises the following steps:
Step 101: wireless senser gathers at least one physiology sign according to the initial sampling period.
Particularly, above-mentioned physiology sign can be body temp, blood oxygen, blood pressure, electrocardio etc., employing is worn on user with it or implants these physiology signs of the wireless senser collection user in user's body, the corresponding even multiple physiology sign of each wireless senser, different types of wireless senser belongs to those skilled in the art and gathers the conventional techniques means of physiology sign, therefore repeat no more in this article.
Especially, before described step 101, can increase timing function, in the time that timing arrives, execution step 101.
Step 102: gateway processor receives the physiology sign that described wireless senser sends, and successively to every physiology sign, determines grade corresponding to described physiology sign.
Particularly, grade corresponding to every physiology sign is preferably definite by tabling look-up, wherein comprise one dimension table or the bivariate table of described physiology sign and grade corresponding relation, known by those skilled in the art, can national and foreign standards tables of data demarcate, also can test and demarcate by limited number of time, repeat no more in this article.For example blood pressure, described tables of data can be utilized (the World Health Organization of World Health Organization (WHO), WHO) the blood pressure standard that suggestion is used is demarcated, according to the user's high pressure data and the low pressure data that get for the wireless senser that gathers blood pressure, in described two-dimensional data table, inquire about the grade of corresponding described high pressure data and low pressure data.
In a preferred embodiment of the present invention, altogether various physiology signs are divided into respectively to 1,2,3 these Three Estates, the data emergency procedure of grade 1,2,3 correspondences increases progressively successively, for example, in the time determining that according to the high pressure data that collect and low pressure data user's blood pressure is higher or lower, the grade of determining corresponding blood pressure is 3.Particularly, if determine with blood pressure standard that more afterwards pressure value is very normal, be grade 1 by level setting corresponding blood pressure data so; If pressure value slightly departs from standard value, be grade 2 by level setting corresponding blood pressure data so; If pressure value obviously departs from standard value, be grade 3 by level setting corresponding blood pressure data.
What deserves to be explained is, in step 101, gather the preferred sampling period that initial sampling period that every physiology sign adopts is preferably grade 1 correspondence.
Step 103: gateway processor, according to described grade, is determined the preferred sampling period that described physiology sign is corresponding.
Particularly, gateway processor is determining after grade corresponding to every physiology sign, according to described grade, tables look-up and determines the preferred sampling period to should a physiology sign.The described preferred sampling period, preferably by the acquisition of tabling look-up, wherein comprises the one dimension table of described grade and preferred sampling period corresponding relation, is known by those skilled in the art, can be tested and be demarcated by limited number of time, repeats no more in this article.
In general, for a certain physiology sign, along with the increase of grade, the preferred sampling period that gathers this physiology sign also reduces thereupon, and preferably sample frequency has increased.For example, for blood pressure, the preferred sampling period of grade 1 correspondence is preferably 30min, the preferred sampling period of grade 2 correspondences is preferably 20min, the preferred sampling period of grade 3 correspondences is preferably 10min, certainly corresponding different physiology sign, the preferred sampling period adopting also can be done adaptations.
Step 104: gateway processor control wireless senser gathers described physiology sign according to the described preferred sampling period.
The information collecting method of application the present embodiment body area network system, gateway processor is according to the grade corresponding to every physiology sign data of initial acquisition, determine the preferred sampling period that gathers every physiology sign, like this for junior physiology sign, sampling period is longer, thereby reduce the data volume of transmitting this kind of physiology sign in body area network system, also just reduced the data volume of the inessential or redundancy of transmitting in body area network system, can control flexibly the flow of network, ensure the timely collection of emergency data (data of the physiology sign that corresponding higher grade), reduce as much as possible the offered load of body area network system, improve the service quality of body area network system.
Further, because described body area network system is of portable form, so generally by aneroid battery or storage battery power supply.Based on this, in another preferred embodiment of the present invention, consider this factor of dump energy of the battery of described body area network system, the acquisition method of every physiology sign is done to further restriction again.
As shown in Figure 2, be the another kind of flow chart of the information collecting method of embodiment of the present invention body area network system, described information collecting method is on the basis of the information collecting method shown in Fig. 1, further comprising the steps of:
Step 201: power-supply management system gathers the dump energy of the battery of described body area network system according to the described initial sampling period.
Particularly, power-supply management system comprises electrical quantity sensor, and this electrical quantity sensor is used for the dump energy of the battery that gathers described body area network system, and in addition, the described initial sampling period is preferably the preferred sampling period of grade 1 correspondence.
Step 202: gateway processor, according to described grade, before determining preferred sampling period corresponding to described physiology sign, according to the current dump energy of described battery of power-supply management system transmission, judges whether to enter low-power consumption drainage pattern.
Particularly, before determining the described preferred sampling period, for example can be before gathering every physiology sign, the dump energy current according to the battery collecting, judges whether to enter low-power consumption drainage pattern.
The described dump energy current according to described battery, judges whether that the method that enters low-power consumption drainage pattern comprises: judge whether the current dump energy of described battery is less than the first power threshold of setting; If so, determine and enter described low-power consumption drainage pattern.Especially, the first power threshold of described setting is preferably 10%.
Step 203: if do not enter described low-power consumption drainage pattern, order performs step 103 and step 104.If enter described low-power consumption drainage pattern, gateway processor judges whether described grade is more than or equal to the grade threshold of setting.Especially, for the above-mentioned embodiment that a certain physiology sign is divided into 3 grades, the grade threshold of described setting is preferably 3.
If so, order performs step 103 and step 104.
Particularly, in the time determining that grade corresponding to a certain physiology sign is more than or equal to described grade threshold, illustrate that this physiology sign is emergency data, order performs step 103 and step 104.
Step 204: if not, gateway processor control wireless senser stops gathering described physiology sign.
Particularly, in the time determining that a certain grade corresponding to physiology sign is less than described grade threshold, illustrate that this physiology sign is non-emergent data,, under described low-power consumption drainage pattern, gateway processor control wireless senser stops these type of non-emergent data to gather.
Like this, in the time that the dump energy of the battery of body area network system is too low, what in body area network system, transmit is all emergency data, make in the situation that system electric weight is inadequate, not only effectively extend the working time of system, can also ensure timely transmission and the processing of emergency data, thereby ensure that user/patient can be guarded within the longer time, greatly reduce the probability that emergency occurs; In addition, adopt the acquisition method in the present embodiment, can also increase the dormancy time of self, greatly reduced power consumption.
In the present invention's one preferred embodiment, gateway processor also can stop after the collection of some physiology sign information at control wireless senser, on the dump energy of battery returns to described the second power threshold time, control this these physiologic informations of wireless senser Resurvey.Described the second power threshold is more than or equal to described the first power threshold.
At length, equally with reference to Fig. 2, described method is further comprising the steps of:
Step 205: gateway processor stops gathering after described physiology sign described, and the dump energy current according to described battery, judges whether to exit described low-power consumption drainage pattern.If so, order performs step 103 and step 104; If not, control wireless senser and continue to stop gathering described physiology sign.
Particularly, described in, judge whether that the method that exits described low-power consumption drainage pattern comprises: judge whether the current dump energy of described battery is more than or equal to the second power threshold of setting, and described the second power threshold is more than or equal to described the first power threshold; If so, determine and exit described low-power consumption drainage pattern.
Exit after described low-power consumption drainage pattern when determining, gateway processor need to again be controlled wireless senser described physiology sign is gathered, and now order performs step 103 and step 104.
What deserves to be explained is, above-mentioned body area network system not only can gather user's physiology sign according to the method described above, can also gather user's self active state and user's ambient condition at one's side, and grade that can be corresponding according to each active state/ambient condition, adjusts the preferred sampling period that each active state/ambient condition is corresponding.
Above-mentioned information collecting method is the application in body area network system, and the structural representation of the information acquisition system of corresponding body area network system as shown in Figure 3.
The information acquisition system of described body area network system comprises gateway processor, external network, first interface equipment, the second interface equipment and at least one wireless senser 301, each described wireless senser 301 is electrically connected with described gateway processor by described first interface equipment, and described gateway processor is electrically connected with described external network by described the second interface equipment.
Particularly: all wireless sensers 301 of above-mentioned information acquisition system are all included in a Wireless Personal Network (PAN), first interface equipment is for being connected with Wireless Personal Network, communicate by letter with each wireless senser 301 in Wireless Personal Network, and as the coordinator of Wireless Personal Network, wherein, Wireless Personal Network can be zigbee network, blueteeth network or other wireless networks, wireless senser 301 in Wireless Personal Network is distributed in it human body, be used for gathering the physiology sign of human body, such as electrocardio, the information such as blood pressure or body temperature, each wireless senser 301 has wireless communication module, be used for and described first interface devices communicating.Described the second interface equipment is for for example, being connected with external network (IP network), and it can be WIFI equipment, can be also 2G/3G/4G network communication equipment.
Wireless senser 301, for gathering at least one physiology sign according to the initial sampling period.Described gateway processor comprises classification unit 302 and preferred sampling period determining unit 303.
Wherein, classification unit 302, to every physiology sign, determines grade corresponding to described physiology sign for successively;
Preferably sampling period determining unit 303, for according to described grade, determines the preferred sampling period that described physiology sign is corresponding, and controls described wireless senser 301 and gather described physiology sign according to the described preferred sampling period.
Especially, described information acquisition system also comprises the timing unit being electrically connected with described wireless senser 301, when the clock of described timing unit inside arrived after the fixed time, notifies described wireless senser 301 to move.
As shown in Figure 4, it is the another kind of structural representation of the information acquisition system of embodiment of the present invention body area network system, information acquisition system described in the present embodiment has added power-supply management system 401, the first judging unit 402, the second judging unit 403 and the 3rd judging unit 404 on the basis of the information acquisition system shown in Fig. 3, particularly: described system also comprises:
Power-supply management system 401, for gathering the dump energy of the battery of described body area network system according to the described initial sampling period;
The first judging unit 402, for the current dump energy of described battery sending according to described power-supply management system 401, judges whether to enter low-power consumption drainage pattern;
The second judging unit 403, described the second judging unit 403 is electrically connected with described classification unit 302, the grade sending for receiving described classification unit 302; In the situation that entering described low-power consumption drainage pattern, judge whether described grade is more than or equal to the grade threshold of setting; In the situation that described grade is more than or equal to described grade threshold, notify described preferred sampling period determining unit 303 according to described grade, determine the preferred sampling period that described physiology sign is corresponding and control described wireless senser 301 to gather described physiology sign according to the described preferred sampling period; And in the situation that described grade is less than described grade threshold, controls described wireless senser 301 and stop gathering described physiology sign.
Further, described the first judging unit 402, specifically for judging whether the current dump energy of described battery is less than the first power threshold of setting, and be less than described the first power threshold at the current dump energy of described battery, determine and enter described low-power consumption drainage pattern.
Referring again to Fig. 4, described system also comprises: the 3rd judging unit 404, described the 3rd judging unit 404 is electrically connected with described the second judging unit 403 and described power-supply management system 401 respectively, stop gathering after described physiology sign for controlling described wireless senser 301 at described the second judging unit 403, the current dump energy of battery sending according to the described power-supply management system 401 receiving, judges whether to exit described low-power consumption drainage pattern; And exiting in described low-power consumption drainage pattern situation, notify described preferred sampling period determining unit 303 according to described grade, determine the preferred sampling period that described physiology sign is corresponding and control described wireless senser 301 to gather described physiology sign according to the described preferred sampling period.
Further, described the 3rd judging unit 404, specifically for judging whether the current dump energy of described battery is more than or equal to the second power threshold of setting, described the second power threshold is more than or equal to described the first power threshold, and be more than or equal to described the second power threshold at the current dump energy of described battery, determine and exit described low-power consumption drainage pattern.
The information acquisition system of application the present embodiment body area network system, according to the grade corresponding to every physiology sign data of initial acquisition, determine the preferred sampling period that gathers every physiology sign, like this for junior physiology sign, sampling period is longer, thereby reduce the data volume of transmitting this kind of physiology sign in body area network system, also just reduced the data volume of the inessential or redundancy of transmitting in body area network system, can control flexibly the flow of network, ensure the timely collection of emergency data (data of the physiology sign that corresponding higher grade), reduce as much as possible the offered load of body area network system.
In addition, the present embodiment is considered this factor of dump energy of the battery of body area network system, determining enter low-power consumption drainage pattern in the situation that, only gather the physiology sign that higher grade, thereby what transmit in body area network system is all emergency data, make in the situation that system electric weight is inadequate, can ensure timely transmission and the processing of emergency data, thereby ensure that user/patient can be guarded within the longer time, greatly reduced the probability that emergency occurs; In addition, can also increase the dormancy time of self, greatly reduce power consumption.
What deserves to be explained is, above-mentioned body area network system not only can gather user's physiology sign, can also gather user's self active state and user's ambient condition at one's side, and grade that can be corresponding according to each active state/ambient condition, adjusts the preferred sampling period that each active state/ambient condition is corresponding.
The concrete processing procedure of above-mentioned each unit can, with reference to the description in the method for the embodiment of the present invention above, not repeat them here.
It should be noted that, system embodiment described above is only schematic, the wherein said unit as separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed on multiple NEs.Can select according to the actual needs some or all of module wherein to realize the object of the present embodiment scheme.Those of ordinary skill in the art, in the situation that not paying creative work, are appreciated that and implement.
Describe structure of the present invention, feature and action effect in detail according to the embodiment shown in graphic above; the foregoing is only preferred embodiment of the present invention; but the present invention does not limit practical range with shown in drawing; every change of doing according to conception of the present invention; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet description and illustrating contain spiritual, all should be in protection scope of the present invention.
Claims (10)
1. the information acquisition system of a body area network system, it is characterized in that, comprise gateway processor, external network, first interface equipment, the second interface equipment and at least one wireless senser, each described wireless senser is electrically connected with described gateway processor by described first interface equipment, and described gateway processor is electrically connected with described external network by described the second interface equipment;
Described wireless senser, for gathering at least one physiology sign according to the initial sampling period;
Described gateway processor comprises classification unit and preferred sampling period determining unit;
Described classification unit, to every physiology sign, determines grade corresponding to described physiology sign for successively;
Described preferred sampling period determining unit, for according to described grade, determines the preferred sampling period that described physiology sign is corresponding, and controls described wireless senser and gather described physiology sign according to the described preferred sampling period.
2. information acquisition system according to claim 1, is characterized in that, described information acquisition system also comprises:
Power-supply management system, for gathering the dump energy of the battery of described body area network system according to the described initial sampling period;
The first judging unit, for the current dump energy of described battery sending according to described power-supply management system, judges whether to enter low-power consumption drainage pattern;
The second judging unit, is electrically connected with described classification unit, the grade sending for receiving described classification unit; In the situation that entering described low-power consumption drainage pattern, judge whether described grade is more than or equal to the grade threshold of setting; In the situation that described grade is more than or equal to described grade threshold, notify described preferred sampling period determining unit according to described grade, determine the preferred sampling period that described physiology sign is corresponding and control described wireless senser to gather described physiology sign according to the described preferred sampling period; And in the situation that described grade is less than described grade threshold, controls described wireless senser and stop gathering described physiology sign.
3. information acquisition system according to claim 2, it is characterized in that, described the first judging unit, specifically for judging whether the current dump energy of described battery is less than the first power threshold of setting, and be less than described the first power threshold at the current dump energy of described battery, determine and enter described low-power consumption drainage pattern.
4. information acquisition system according to claim 3, is characterized in that, described information acquisition system also comprises:
The 3rd judging unit, be electrically connected with described the second judging unit and described power-supply management system respectively, for stopping gathering after described physiology sign at wireless senser described in described the second judging unit control, the current dump energy of battery sending according to the described power-supply management system receiving, judges whether to exit described low-power consumption drainage pattern; And exiting in described low-power consumption drainage pattern situation, notify described preferred sampling period determining unit according to described grade, determine the preferred sampling period that described physiology sign is corresponding and control described wireless senser to gather described physiology sign according to the described preferred sampling period.
5. information acquisition system according to claim 4, it is characterized in that, described the 3rd judging unit, specifically for judging whether the current dump energy of described battery is more than or equal to the second power threshold of setting, described the second power threshold is more than or equal to described the first power threshold, and be more than or equal to described the second power threshold at the current dump energy of described battery, determine and exit described low-power consumption drainage pattern.
6. an information collecting method for body area network system, is characterized in that, comprising:
Wireless senser gathers at least one physiology sign according to the initial sampling period;
Gateway processor receives the physiology sign that described wireless senser sends, and successively to every physiology sign, determines grade corresponding to described physiology sign, and according to described grade, determines the preferred sampling period that described physiology sign is corresponding;
Described in described gateway processor control, wireless senser gathers described physiology sign according to the described preferred sampling period.
7. method according to claim 6, is characterized in that, described method also comprises:
Power-supply management system gathers the dump energy of the battery of described body area network system according to the described initial sampling period;
Described gateway processor, according to described grade, before determining preferred sampling period corresponding to described physiology sign, according to the current dump energy of described battery of described power-supply management system transmission, judges whether to enter low-power consumption drainage pattern; If enter described low-power consumption drainage pattern, judge whether described grade is more than or equal to the grade threshold of setting; If so, according to described grade, determine the preferred sampling period that described physiology sign is corresponding, and control described wireless senser and gather described physiology sign according to the described preferred sampling period; If not, control described wireless senser and stop gathering described physiology sign.
8. method according to claim 7, is characterized in that, the described dump energy current according to described battery, judges whether to enter low-power consumption drainage pattern and comprise:
Judge whether the current dump energy of described battery is less than the first power threshold of setting;
If so, determine and enter described low-power consumption drainage pattern.
9. method according to claim 8, is characterized in that, described method also comprises:
Described gateway processor stops gathering after described physiology sign described, and the dump energy current according to described battery, judges whether to exit described low-power consumption drainage pattern;
If so, according to described grade, determine the preferred sampling period that described physiology sign is corresponding, and control described wireless senser and gather described physiology sign according to the described preferred sampling period.
10. method according to claim 9, is characterized in that, the described dump energy current according to described battery, judges whether to exit low-power consumption drainage pattern and comprise:
Judge whether the current dump energy of described battery is more than or equal to the second power threshold of setting, and described the second power threshold is more than or equal to described the first power threshold;
If so, determine and exit described low-power consumption drainage pattern.
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