There is, I think, something ethereal about i —the square root of minus one. I remember first hearing about it at school. It seemed an odd beast at that time—an intruder hovering on the edge of reality.

Usually familiarity dulls this sense of the bizarre, but in the case of i it was the reverse: over the years the sense of its surreal nature intensified. It seemed that it was impossible to write mathematics that described the real world in …

I and i

VANet security challenges and solutions: A survey

Enterprises are confronted with new customer requirements and challenged by global competition leading to fundamental changes of today’s industry. Against this background, at present Industry 4.0 i...

https://www.tandfonline.com/doi/pdf/10.1080/00207543.2019.1612964

Logistics 4.0: a systematic review towards a new logistics system

Software testing is any activity aimed at evaluating an attribute or capability of a program or system and determining that it meets its required results. Although crucial to software quality and widely deployed by programmers and testers, software testing still remains an art, due to limited understanding of the principles of software. The difficulty in software testing stems from the complexity of software: we can not completely test a program with moderate complexity. Testing is more than just debugging. The purpose of testing can be quality assurance, verification and validation, or reliability estimation. Testing can be used as a generic metric as well. Correctness testing and reliability testing are two major areas of testing. Software testing is a trade-off between budget, time and quality.

Software testing

A survey on internet of vehicles: Applications, security issues & solutions

This paper describes the development of a student attendance system based on Radio Frequency Identification (RFID) technology. The existing conventional attendance system requires students to manually sign the attendance sheet every time they attend a class. As common as it seems, such system lacks of automation, where a number of problems may arise. This include the time unnecessarily consumed by the students to find and sign their name on the attendance sheet, some students may mistakenly or purposely signed another student's name and the attendance sheet may got lost. Having a system that can automatically capture student's attendance by flashing their student card at the RFID reader can really save all the mentioned troubles. This is the main motive of our system and in addition having an online system accessible anywhere and anytime can greatly help the lecturers to keep track of their students' attendance. Looking at a bigger picture, deploying the system throughout the academic faculty will benefit the academic management as students' attendance to classes is one of the key factor in improving the quality of teaching and monitoring their students' performance. Besides, this system provides valuable online facilities for easy record maintenance offered not only to lecturers but also to related academic management staffs especially for the purpose of students' progress monitoring.

Web-based student attendance system using RFID technology

/pdf/a-literature-survey-on-security-challenges-in-vanets-23hnptkcen.pdf

A Literature Survey on Security Challenges in VANETs

This paper presents a non-invasive breath test to monitor the condition of diabetic patients. It is identified as an easier technique and quick diagnoses of diabetic ketoacidosis (DKA). DKA is a preventable acute complication of type 1 diabetes mellitus. Common diabetic test on patients are done on urinary test and blood ketone test to monitor for diabetes condition. However, those methods are considers as invasive, inconvenient and expensive. Recently, breath acetone has been considered as a new ketone biomarker because it is non-invasive, convenient, and accurate reflection of the body's ketone level. This research presents a method of monitoring ketone level by using breath measurement. Main objective of this research is to present an easy handheld health care on monitoring diabetic level with breath. Method consists of development of hardware connection with Internet of Things (IoT) system to facilitate the process of patients' diagnosis and personal monitoring. In this system, Arduino board is used to read the sensor with sense the breath. Breath value level is log to system using wireless communication. Data collection is interfaced to web page. Ketone level is measured as the amount of breath acetone is collected when patients exhale into a mouthpiece that consists of gas sensor. The reading from Arduino is shared to the database via ESP 8266 Wi-Fi Module and can be accessed by the patients or registered doctors. This research is significant where patients can independently monitor their diabetic health and the IoT system can be alerted directly to medial officers in the hospitals.

IoT-based personal health care monitoring device for diabetic patients

This paper evaluates and compares mobile ad hoc network (MANET) routing protocols for wireless sensor network (WSN). It focuses and compares the performance analysis based on Quality of Service (QoS) factors on the throughput and delay between Ad Hoc on Demand Distance Vector (AODV) and Temporary Ordered Routing Algorithm (TORA) protocols for mesh network with a single source. Ad Hoc on Demand Distance Vector is a reactive protocol and Temporary Ordered Routing Algorithm is on-demand reactive protocol which is the hybrid protocol. Previous research did shown that AODV is better than TORA for a larger nodes that is more than 30 nodes an some says that TORA is better for smaller nodes environment. In wireless ad hoc network, the nodes must be able to interconnect each other to establish the link or connection from source to the destination. The results show that AODV outperformed TORA in the throughput but AODV had higher delay than TORA. After the analysis has been done, this paper shows that AODV outperforms TORA in the wireless sensor network only with a single source and destination which less than 30 nodes in a network.

Mobile ad hoc network (MANET) routing protocols comparison for wireless sensor network

Worldwide Interoperability for Microwave Access (WiMAX) is a technology that bridges the gap between fixed and mobile access and offer the same subscriber experience for fixed and mobile user. Demand for such type of mobile broadband services and applications are growing rapidly as it provides freedom to the subscribers to be online wherever they are at a competitive price and other significant facilities such as increasing amounts of bandwidth, using a variety of mobile and roaming devices. The earliest version of WiMAX is based on IEEE 802.16 and is optimized for fixed and roaming access, which is further extended to support portability and mobility based on IEEE 802.16e, also known as Mobile WiMAX. However, frequent topology changes caused by node mobility make routing in Mobile WiMAX networks a challenging problem. This paper presented an analysis on those routing protocols especially designed for wireless networks. A study and comparison on the performance of three routing protocols (AODV, DSR, and DSDV) for Mobile WiMAX environment is done. An assumption of each subscriber station has its routing capabilities within its own network is prepared. The performance matrix includes Packet Delivery fraction (PDF), Throughput, End to End Delay, and number of packet dropped were identified. The study used NS2 simulator for the comparison on the performance analysis. Successfully results found that AODV protocol outperform the DSR and DSDV.

Murizah Kassim

Papers

Web-based student attendance system using RFID technology

A Literature Survey on Security Challenges in VANETs

IoT-based personal health care monitoring device for diabetic patients

Mobile ad hoc network (MANET) routing protocols comparison for wireless sensor network

Performance analysis of routing protocol in WiMAX network