نتایج جستجو برای: wban

تعداد نتایج: 604  

2015
Shravan Kumar Upadhayay Mansi Gupta

This paper, explain a comprehensive survey of recent medium access control (MAC) Protocols for wireless body area networks (WBANs) and presents a comparison of the various approaches pursued. Apart for this, we outline the crucial attributes for a good MAC. Then, we investigate few MAC Based protocols devised for WBAN by emphasizing their Merit and Demerits. As a conclusion, we put forward a nu...

2013
Kyeong Hur Won-Sung Sohn Jae-Kyung Kim YangSun Lee

In this paper, an IEEE 802.15.6 wireless body area networks (WBAN) medium access control protocol is developed to support a wireless USB (WUSB) application as a protocol adaptation layer (PAL). Even though we can avoid colliding packets using CSMA/CA, hazard of beacon collisions still remains in the WUSB over WBAN networks. Further, in order to solve beacon conflict problem, we introduce a mult...

2012
Stevan Jovica Marinkovic Emanuel M. Popovici Emil Jovanov

Power efficient communication in a Wireless Body Area Network (WBAN) is critical for successful system deployment. Stringent constraints of size and weight of sensors significantly limit available sensor power, particularly in the case of implantable sensors. This paper discusses and analyses methods that could be used to improve power efficiency of implantable WBAN systems, with focus on the W...

Journal: :IEICE Transactions 2011
Uisheon Kim Jaehoon Choi

This paper proposes a microstrip patch antenna for 2.45 GHz Industrial Scientific Medical (ISM) band Wireless Body Area Network (WBAN) applications. To enhance the front-to-back ratio (F/B) and specific absorption rate (SAR), an electrically coupled LC resonator is introduced. The overall dimensions of the proposed antenna are 54 mm × 45 mm × 2.4 mm and it has a gain of over 1 dBi for the entir...

Advances in medical sciences with other fields of science and technology is closely casual profound mutations in different branches of science and methods for providing medical services affect the lives of its descriptor. Wireless Body Area Network (WBAN) represents such a leap. Those networks excite new branches in the world of telemedicine. Small wireless sensors, to be quite precise and calc...

2007
Namjun Cho Jeabin Lee Long Yan Joonsung Bae Sunyoung Kim Hoi-Jun Yoo

Wireless body-area network (WBAN) is an emerging area that combines health care and comsumer electronics applications, and its standardization is still in progress. The WPAN standards such as IEEE802.15.4 and 4a do not meet the WBAN requirements such as energy efficiency on the body, scalable QoS, and inter-networks isolation summarized in Fig. 6.9.1. Due to energy absorption in the human tissu...

2014
Maryam El azhari Rachid Latif

Wireless Body Area Networks (WBAN) also referred to as a body sensor network (BSN), is a wireless network of wearable computing devices. It has emerged as a key technology to provide real-time health monitoring of a patient and diagnose many life threatening diseases. WBAN operates in close vicinity to, on, or inside a human body and supports a variety of medical and non-medical applications. T...

2013
YEE MING CHEN YI JEN PENG

To prolong the lifetime of a wireless body area sensor network (WBAN) is the most important concern in due to limited battery power of sensor nodes. Routing in WBAN is a very challenging problem due to the efficient utilization of energy. This paper focuses on energy efficient fuzzy routing protocol. Protocol based on fuzzy inference system computation reduces power consumption when compared to...

Journal: :IEICE Transactions 2011
BeomSeok Kim Jinsung Cho Dae-Young Kim

Wireless body area networks (WBANs) provide medical and/or consumer electronics (CE) services within the vicinity of a human body. In a WBAN environment, immediate and reliable data transmissions during an emergency situation should be supported for medical services. In this letter, we propose a flexible emergency handling scheme for WBAN MAC protocols. The proposed scheme can be applied to sup...

2008
Joonyoung Jung Kiryong Ha Jeonwoo Lee Youngsung Kim Daeyoung Kim

We developed a ubiquitous healthcare system consisted of a physiological signal devices, a mobile system, a device provider system, a healthcare service provider system, a physician system, and a healthcare personal system. In this system, wireless body area network (WBAN) such as ZigBee is used to communicate between physiological signal devices and the mobile system. WBAN device needs a speci...

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