An Android-Based Emergency Alarm and Healthcare Management System

An Android-Based Emergency Alarm and Healthcare Management System

Now with the growing social pressure and the life more and more quick steps, most people are facing with health problems, especially a lot of high-level personnel who are in sub-health. And modern social accidents occur frequently. It is more important to design a health security system for people. As mobile phones play more and more important role for people, it is the best choice that the system will be deployed on mobile phones. Normally, a healthcare emergency alarm system is deployed on an independent device, wired or wirelessly linked to a gateway, and then connected to the hospital or emergency center, such as [6] and [8].But the disadvantage of such systems is obvious: once getting out of the coverage of the gateway, the system won’t work anymore. A healthcare management system has two main functions. The one is life reminder system. The other is On-Line medical. However the life reminder function is useful and helpful for the senior people and chronic patients to give a friendly reminder for medicine and so on, such as [9]. But most of the healthcare management system is separated from the emergency alarm system, which means the users have to keep two systems at the same time. Apparently it is not convenient at all. According to these disadvantages, deploying the systems on cell phone is undoubtedly a better choice. As a carrier of emergency alarm and healthcare management system, there are some advantages for cell phone. First, the cell phone is convenient to carry. People always carry a cell phone with them, so they can trigger an alarm or get the prescription from the HIS at everywhere and everytime. Second, open operating systems on cell phones, such as iOS, Android and Symbian have many applications and easy to extend by developing application. Third, by the cell phone, user can make a phone call to their friends and family, and with the help of GPS chip, their location can be acquired. Finally, the phone can make fall detect by gravity sensor. For example, if an old man accidentally falls down, the phone can automatically trigger an alarm. In this paper, we choose GPhone (Google Phone) [10] as our platform.

 

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A New Express Management System Based on Encrypted QR Code

ANew Express Management System Based on Encrypted QR Code

Abstract—Recently, the express service develops rapidly.However, traditional express service suffers from severalnoteworthy drawbacks, e.g., low level of informatization, high-risk of information leak and low efficiency of freight. In thispaper, we propose a new express management system based onencrypted QR code to overcome above problem. Firstly, thesystem adopts an encrypted QR code to store all information ofgoods. Secondly, after courier scan the encrypted QR code byusing our designed APP for smart phones, the real-time logisticsinformation of goods in the database is automatically updatedthrough GPRS (General Packet Radio Service) or Wi-Fi. https://codeshoppy.com/latest-mca-project-topics-2018.html

In themeantime, the server sends the real-time logistics information ofgoods to consignee. Thirdly, the APP provides an optimaldelivery route for courier by employing the improved geneticalgorithm. Lastly, at the delivery point, after the courier scansthe encrypted QR code, the APP automatically sends a messageto consignee to receive goods. Our benchmark research showsthat the new express management system can effectively protectthe privacy of clients, improve efficiency of express service1.Keywords-Code; Express Management System; Software

INTRODUCTION 

With the rapid development of electronic commerce,express service suffers from many opportunities andchallenges [1]. According to the data from SPB (State PostBureau), the total income was 204 billion RMB at the end of2014. The total income and growth rate of express servicefrom 2009 to 2014 is shown in figure 1. 

Although express service develops rapidly, a fewshortages have still existed, which are listed as follow: Many express companies still use bar codes [2] on theexpress label [3]. Restricted by information capacity, the barcode can not store much beneficial information.2) From the traditional express label, we can see muchprivate information, e.g., name, address and phone number.The exposure of personal information may bring somepitfalls to clients [4].3) Traditionally, courier informs to consignee to receivegoods by manually sending SMS (Short Messaging Service)or making telephone calls [5]. This way will be not efficientif the number of goods is large.4) At present, the delivery route mainly depends on theexperience of courier [6], which will make repetition ofdelivery route and lower the efficiency.To solve above problems, in this paper, we propose anew express management system based on encrypted QRcode.In contrast to existing express management system, tobest of our knowledge, the main contributions of this paperare as follow:1) The private information of clients can be protected byemploying encrypted QR code which stores all information.2) The logistics information of database is automaticallyupdated after the courier scans the encrypted QR code. Itincreases the efficiency of refreshing data.3) The designed APP software provides the optimaldelivery route for courier, which is convenient andefficiently.4) At the delivery point, the APP software canautomatically send messages to the consignees to receivegoods after courier scans the encrypted QR code, which cansave lots of time.

THE ARCHITECTURE OF SYSTEM

 In this section, we describe the new express label andarchitecture of system.Figure 2 shows the new express label. It is composed oftwo components, namely encrypted QR code and textinformation. Firstly, the QR code concludes all information,includes name, address and phone number of consignee,2015 8th International Conference on Intelligent Computation Technology and Automation pattern of payment, invoice information and so on. Therefore,it can effectively avoid reveal of private information. Theother part is text information, includes delivery address andthe identifier. Couriers can easily delivery goods by readingthe delivery address. Consignees can find the goods quicklythrough the identifier.The architecture of new express management systembased on encrypted QR code is shown in figure 3. Inconclusion, the process of new express management systembased on encrypted QR code is listed as follows:1) According to the corresponding information of client,the encrypted QR code is generated.2) After courier scans encrypted QR code by usingdesigned APP software, the real-time logistics informationof goods in the database is automatically updated throughGPRS or Wi-Fi. Therefore, it can improve the efficiency ofinformation update. Additionally, the server sends the real-time logistics information of goods to consignee.3) After courier scans the encrypted QR code label, theAPP software automatically sends message to consignee toreceive package. Consignee finds his own goods through hisown identifier, and completes the signs of the goods.

THE DESIGN OF SYSTEM

In this section, we describe the design of new expressmanagement system.1) The pattern of C/SThe new express management system employs thepattern of C/S (Android Client/Server). In addition, we adoptTCPTransmission Control Protocolto communicatewith Android client.The functions of Android client include the scan of QRcode label, the calculation of optimal delivery route, and soon. The functions of server include logistics informationupdating, database storage, and so on.2) The QR code encryption algorithmTo protect private information of clients, the QR codeshould be encrypted through a simple encryption algorithm.Each character occupies one byte space, e.g., the ASCIIAmerican Standard Code for Information Interchangeof‘a’ is 0x61. If ‘a’ pluses 3, it will change into ‘d’. Thus wecan encrypt the string by this simple feature.It assumes that the string ‘info’ needs to be encrypted.An encrypted array),...,,(][21krrrkshas been created byserver.iris a random integer and varies from 0 to 10. Theneach character belonged to string ‘info’ plusesir.Finally,the encrypted QR code is generated.