Adnan Ashraf

Design and analysis of the security assessment framework for achieving discrete security values in wireless sensor networks

The paper presents a ready-to-use security assessment framework for wireless sensor networks (WSNs). The parameters in the proposed security assessment framework perform independent security assessment of WSNs and of their applications. Our proposed framework uses actual responses of the entities (such as nodes, communication link and network response) to assign numerical values for security assessment of WSNs. The method for calculating the optimal values for each security parameter of the framework is also discussed. Our proposed framework is designed to avoid unwanted impacts of the complexities of security algorithms, communication protocols and strong cryptography. Usually, the complexity of algorithms disguises the actual assessment of the WSN, but the independence of the proposed framework from these security-disguising objects makes this framework better than other assessment frameworks in terms of scalability.

Survey of challenges in hybrid optical wireless broadband network (HOW-B) for e-health systems

the hybrid optical-wireless broadband network (HOW-B) is shows potential future for healthcare communication systems and networks. The marvel innovations in free space optics (FSO) based wireless communication, medical sensors and mobile network technologies have associated with emerging biological fields of telemedicine and bioinformatics. On the other hand, the progressive developments in optical based wireless technology have opened up a window for life-saving network services. The wireless network along with advance modeling technique of patient-care facilitates in monitoring of the physiological data, the treatment optimization, and continuous patient-care. This provides an improvement of care and quality of patients life without interrupt circulation in everyday life activity. In this paper, the FSO and RF networks viable connectivity and low-cost optical wireless tele-monitoring network system has been introduced. In addition, it provides review of the interoperability and QoS assurance issue, also compare various feature of optical wireless with (RF) wireless network.

The conception of technology integration for globalized patient and Tele-healthcare

The advancement in Tele-healthcare and communication technologies, in last decade, has given rise to remote healthcare services. Today, existing Tele-healthcare approaches either extending services in limited zones as Private Area Network (PAN) or offering the limited healthcare services in wider areas using Mobile Medical Units (MMUs) & remote facilitation centers. Existing healthcare services face resource limitations and are difficult to extend during some dire emergencies. This situation gets worsened due to poor management of resources (in emergency areas) and lack of medical records in case of a traveller or a displaced patient (i.e. w/o medical or patient history). This paper elaborates on a novel Tele-healthcare infrastructure concept that takes into consideration the efficient management of resources in the vicinity of the patient by auto-generating an emergency signals. Our proposed technique enforces to acquire smart procedures to arrange maximum available healthcare assistances to form an ad hoc medical team near by the deceased. In addition to this, a global scope of Tele-healthcare infrastructure is achieved by globalizing the patients ID, which makes it highly scalable and efficient to initiate treatment immediately of an individual even during a large scale disaster with available primary healthcare information.

SNR Based Digital Estimation of Security in Wireless Sensor Networks

Security in wireless sensor networks (WSNs) is usually thought as privacy, auditing, intrusion detection and protection. In general, the quality of signal processing is considered as issue of middleware layers. The higher values of signal to noise ratio (SNR) are vital for target detection and estimation which is the most critical objective of WSN. Despite of the fact that SNR has a significant impact on objectives of WSN, not much investigation is found in literature about SNR and its security impact on such networks. The entire WSN can be rendered as useless due to SNR degradation and therefore, SNR is a prevailing security threat in WSNs. In the light of modern concepts of security, the safety should accompany the availability, scalability, efficiency and the quality parameters of inter-node communication. We show that SNR can identify suspicious activities which can exploit the performance and quality of communication in a sensor network. Also, by varying range of transmission radii and observing its impact on SNR we demonstrate that SNR-values, SNR-variance and pre-defined network threshold of SNR-variance, together can be useful in security assessment of WSN.