Secure and Efficient Data Transmission over Body Sensor and Wireless Networks
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This paper addresses the transmission of medical and context-aware data from mobile patients to healthcare centers over heterogeneous wireless networks. A handheld device, called personal wireless hub (PWH), of each mobile patient first gathers and aggregates the vital sign and context-aware data for various telemedicine applications. PWH transmits the aggregated data to the remote healthcare center over multiple wireless interfaces such as cellular, WLAN, and WiMAX. The aggregated data contain both periodic data and those nonperiodic unpredictable emergency messages that are sporadic and delayintolerant. This paper addresses the problem of providing QoS (e.g., minimum delay, sufficient data rate, acceptable blocking, and/or dropping rate) by designing a packet scheduling and channel/network allocation algorithm over wireless networks. The proposed resource-efficient QoS mechanism is simple and collaborates with an adaptive security algorithm. The QoS and security are achieved mainly with the collaboration of differentiator, delay monitor, data classifier, and scheduler modules within the PWH. This paper also discusses secure data transmission over body sensor networks by introducing key establishment and management algorithms. Simulation results show that the proposed framework achieves low-blocking probability, meets delay requirements, and provides energy-efficient secure communication for the combination of vital signs and context-aware data.Keywords:
Body area network
Advances in wireless communication technologies and sensors have empowered development of Wireless Body Area Network (WBAN). The wireless nature of network and variety of sensors offer numerous new, practical and innovative applications to improve health monitoring and other health care applications system. In the past few years, many researches focused on building system architecture of health monitoring to improve the technical requirement specifically designed for WBAN. However, as part of communication medium, WBAN faces with various security issues such as loss of data, authentication and access control. Less research were found in providing strong security system in WBAN. Throughout this study, we believe that WBAN can provide various applications including medical and non-medical. In this paper, we present an overview of body area network and their related issues emphasis in security problem. We also provide the differences between Wireless Body Area Network and Wireless Sensor Network (WSN) that is inadequate to apply in WBAN although some challenges faced by WBAN are in many ways similar to WSN. Finally, we highlight security challenges that still need to be addressed to make WBAN truly ubiquitous for a wide range of applications.
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Municipal wireless network
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Wireless communication networking technology plays an important part in supporting ubiquitous network. IT, BT and NT convergence of typical techniques for wireless body area network (WBAN) provides the quality and convenience. WBAN is classified in to non-medical field and medical field. In this paper, the techniques, applications and channel models of WBAN are analyzed. WBAN technique is a based on IEEE 802.15.6 TG WBAN. The applications of WBAN are classified into healthcare, assisted living and entertainment.
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Short-range wireless communication is important for application use in wireless medical monitoring systems and wireless body area network localizations. Therefore, the channel's characteristics and the human body effect must be studied. This paper will investigate the wireless body area network localization and ZigBee technology based on the IEEE 802.15.4. Moreover, model wireless body area network measurement using a vector network analyzer at the frequency range of 2.2 GHz to 2.6 GHz for measurement and recording. In the experiment result, the wireless body area network localization is analyzed and evaluated by considering the received signal strength and distance error shown in the cumulative distribution function based on the CLEAN algorithm. From experimental studies, this project is beneficial for development studies and essential information for future research studies of wireless body area network localization applications.
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Body Area Network (BAN) is widely used in medical healthcare systems. Under WSN (Wireless Sensor Network) technology many applications are developed in Body Area Network (BAN). In medical applications the sensor network is widely used now days. Applications like Healthcare Monitoring System, Smart Hospitality, and Continuous patient monitoring system are under Body Area Network (BAN) technology. Sensors are attached on the body of patient by which values are to be taken, analyzed for healthcare system. WBAN offers wide variety for evaluation of healthcare in medical systems. Various sensors can be connected to the on clothing or on-body and also implanted under skin. There sensors are used to calculate the parameters from the body of patient. And the values are taken from sensors is given to the analyzing device or hardware by the wired or wireless devices such as Bluetooth, Zigbee etc. BAN gives wide availability of healthcare devices all the time. Projects are done in Body Area Network (BAN) from 1976. A wearable computer, sensor network based medical monitoring system, Europian Mobihealth etc. are some of the examples of project in WBAN. Wireless Body area network is now often used in Mobile Health Application and it is emerging technology which gives facilities for human health applications.
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최근 들어 정보통신기술과 의료기술의 통합에 관한 관심이 증가되면서 센서네트워크를 인체에 적용하고자 하는 WBAN(Wireless Body Area Networks)에 관한 연구가 활발히 진행되고 있다. 기존의 센서네트워크 기술은 WBAN에 이용될 수 있는 가능성을 가지고 있으나, 몇 가지 제약사항을 가지고 있다. 특히 신체의 각 센서는 신체의 각 부분을 관통하여 통신해야 할 가능성이 크므로 자유공간인 센서네트워크와는 상당히 다른 네트워킹 환경을 가진다. 따라서 WBAN에 관한 연구는 기존의 센서네트워크와는 다른 인체의 특성을 고려한 다양한 영역을 연구의 대상으로 하고 있다. 본 연구에서는 기존의 센서네트워크와는 다른 WBAN의 환경적인 특성을 조사하고, WBAN의 개념이 도입된 2001년 전후부터 SLR(Systematic Literature Review)기법을 이용하여 WBAN의 연구 경향을 체계적으로 조사한다. 이에는 연구 분류와 연구자의 특성 등이 포함된다. 조사 결과를 요약하고 향후 연구 과제를 전망한다. Recently, with the increasing of the interest in the integration of medical technology and information communication technology, researches on WBAN (Wireless Body Area Networks) that try to apply sensor network to the human body have been processed actively. The existing sensor network technology has the potential to be used in WBAN, but it has some limitations also. In particular, because the sensors are likely to communicate through each part of the body, it has a very different network environment from the sensor network that uses a free space. Therefore, researches on WBAN have a variety area of study that slightly different from the conventional sensor networks and take into account the characteristics of the body. In this study, we investigate the environmental characteristics of WBAN that are separated from the conventional sensor network, and the research trends of WBAN systematically by using the technique of SLR (Systematic Literature Review) from 2001 around when the concept of WBAN has been introduced. The investigation includes the classification of research and the researcher's features. And the survey results and the outlook for further study are summarized.
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Wireless Body Area Network (WBAN) is a wireless network that can be attached or implanted onto the human body by using wireless sensor. Since WBAN developed for medical devices, the system should be design for a wide range of end user with different professional skill groups. This require WBAN system to be open, accurate and efficient. As from our previous experienced, any open system is vulnerable, similar to any other current available wireless systems such as Wireless Local Area Network (WLAN). However, currently there were not many discussions on the WBAN security vulnerability and security threats and if there is any, the issues were discussed through theoretical, concept and simulation data. In this paper, we discuss potential WBAN security vulnerability and threats using Practical Impact Assessment (PIA) conducted in real environment so that we are able to identify the problem area in details and develop potential solutions to produce a forensics readiness secure network architecture for WBAN system.
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Municipal wireless network
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Personal Area Network for Intra-body communication using human body as the transmission medium enables wireless communication without transmitting radio waves through the air. With the vision of transmitting data through the human body, several trials have been made to model the human body as communication channel through which cablefree transmission is achieved. Making use of human body as a transmission medium signal transmission offers new data communication scheme in biomedical monitoring systems. Such a new wireless data communication technology will offer substantially increased freedom for long-term risk patients. On body sensors in the form of intelligent band-aids monitor the human vital functions. Enabled by the intra-body communication capability of every on-body sensors, the recorded data will be transferred wireless through the body within the Body Area Network sensor nodes. Eventually, one single node will act as a central monitoring node and is connected by a traditional wireless link, e.g. blue tooth, to the remote hospital monitoring infrastructure. There , the data will be displayed or stored in the patient’s record. Electronic data transfer over and through the human body has been proposed by research and industry as a promising technology for ultra low power wireless Body Area Networks.
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Wireless Body Area Network (WBAN) is one of the most important technologies involved in the field of health care. Due to the great development in their applications WBAN has received a great attention in the field of physical condition, health check, entertainment services and the fields related to medical. WBAN is also as like the same process of Wireless Sensor Network. The WBAN technology is to arrange them in the medical system to swap wires with the help of sensor nodes entrenched into the patient’s body or placed in the region of the patient body. Not only it gives more consoles to the patient, but also the patient can get treatment in distance mode by the healthcare system. It is very useful to the aged citizens or people with any disability to offer medical talent at home or in any critical situation. WBAN has a huge area for scientists in recent years. In this paper, various existing approaches of WBAN were explained and discussed about the scope for further exploration in this medical field. The literature survey represents that the proposed architecture can be further adapted to plan more unswerving clarifications for WBAN systems.
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