Understanding of Technologies and Research Trends of Wireless Body Area Networks
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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.Keywords:
Body area network
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.
Body area network
Wireless WAN
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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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Wireless body area network is one of the applications of wireless sensor networks. BAN plays a vital role. It is also called as Body Area Network (or) Body Sensor Network. Body Sensor Network is mainly used to monitor the activities of the patient’s health with the help of sensor.BSN is used in different fields like medical treatment, social welfare and sports etc., In this paper, we discuss about BSNs, challenges in BSN and security issues in BSN.
Body area network
Wireless WAN
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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.
Body area network
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Wireless body area network (BANs) have attracted a lot of attention as a future technology of wireless networks. Wireless BANs are generally divided into two kinds of groups, i.e., on-body BANs and in-body BANs. However, the performance requirements and channel propagation characteristics of the two BANs are quite different from each other, that is, wireless signals are approximately transmitted along the human body as a surface wave in on-body BANs, on the other hand, the signals are transmitted through the human tissue in in-body BANs. As a solution for this problem, this paper develops a structure of dual-mode transceivers, which is composed of transmitters for in-body and on-body communications and a receiver for the both communications. Then, we evaluate the communication performance of the dual-mode transceivers via a computer simulation with realistic channel models, which can well represent the propagation characteristics of on-body and in-body communications. Our computer simulation results demonstrate the feasibility of the dual-mode transceiver structure in wireless BANs.
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Body area network
Dual mode
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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.
Body area network
Wireless WAN
Vulnerability
Municipal wireless network
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Sensor node
Sensor web
Sink (geography)
Visual sensor network
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In wireless sensor networks, the number of sensor nodes has direct relation to the cost of total wireless sensor networks, and at the same time, the problem is closely connected to wireless sensor networks' performance, such as robust, fault-tolerance, and furthermore, it is considered at first as wireless sensor networks are designed. Therefore, the research on the number of sensor nodes has significant meanings of theory and practice to design of wireless sensor networks. By computation and analysis, the sensor deployments in the form of equilateral triangle, as a rule, are better than those in the form of square, and the efficient coverage area ratios decrease with increasing number of sensor nodes.
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Visual sensor network
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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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