wireless personal area networks powerpoint

... Trang 1Wireless Networks Lecture 39 Bluetooth/Wireless Personal Area Networks (WPAN) Dr Ghalib A Shah Trang 4What is Bluetooth? “Bluetooth wireless technology is ► an ... technology ► for ad-hoc wireless communication of ► voice and data anywhere in the world.” Trang 55Ultimate HeadsetTrang 6Cordless ComputerTrang 7Bluetooth Application Areas  Data and voice ... in range Trang 8Overview of Bluetooth History What is Bluetooth? ► Bluetooth is a short-range wireless communications technology.  Why this name? ► It was taken from the 10th century Danish

Ngày tải lên: 05/07/2022, 13:26

... Trang 1Wireless Networks Lecture 40 High Rate Wireless Personal Area Networks (WPAN) Dr Ghalib A Shah Trang 2• Handing over control of ... Cell phones, Computers, Personal Digital Assistants (PDAs)/ Handheld Personal Computers (HPCs), Printers, Microphones, Speakers, Handsets, Bar Code Readers, Sensors, Displays, Pagers and Cellular & Personal ... Trang 10IEEE 802.15.3 - Overview  Based on piconets in a person space analogous to LAN in larger area  Data Devices (DEV) establish peer-to-peer communication  Includes also a Piconet Coordinator

Ngày tải lên: 05/07/2022, 13:26

... Trang 1Personal Area Networks (PANs) 11.1 Introduction to PAN Technology and Applications 11.1.1 Historical Overview The concept of a Personal Area Network (PAN) differs from ... in a shared wireless medium 11.1.2 PAN Concerns There are certain issues that need to be taken into account when designing a PAN The mostobvious one affects all types of wireless networks and ... something more than a researchproject, whereas the true revolution in the area of PANs was brought about by the use ofwireless transmission-based PANs (WPANs1) The first attempt to define a standard

Ngày tải lên: 29/09/2013, 21:20

... the uncabled area tothe organization’s wired network This application area of WLANs is referred to as LANextension.Another area of WLAN application is nomadic access It provides wireless connectivitybetween ... included in the area of WLANs 9.1.3 Wireless LAN Concerns The primary disadvantage of wireless medium transmission, compared to wired transmission, is its increased error rate The wireless medium ... Radio AccessNetworks (BRAN) This project aims to specify standards for Wireless ATM (HIPERLANTypes 2, 3, 4) The family of HIPERLAN standards is shown in Figure 9.2 Trang 29.1.1 Benefits of Wireless

Ngày tải lên: 29/09/2013, 21:20

... TXOP Exchange, Wireless local area networks 1 Introduction In offices, homes, and public spaces, IEEE 802.11 wire-less local area networks (WLANs) has been extensively used to provide wireless Internet ... window-size delegation method for downlink TXOP (transmission opportunity) Exchange in wireless local area networks (WLANs) In our method, the‘compliant’ stations (STAs) cooperatively use their ... E S E A R C H Open AccessTCP-based window-size delegation method for TXOP Exchange in wireless local area networks Takayuki Nishio1*, Ryoichi Shinkuma1, Tatsuro Takahashi1and Go Hasegawa2 Abstract

Ngày tải lên: 21/06/2014, 01:20

... Article Titan: An Enabling Framework for Activity-Aware “Pervasive Apps ” in Opportunistic Personal Area Networks Daniel Roggen,1Clemens Lombriser,1, 2Mirco Rossi,1and Gerhard Tr¨oster1 1 Wearable ... applications in the form of dynamically composed service graphs, a mobile device managing the user’s Personal Area Network (PAN), and a service graph execution framework distributing service execution ... centralized data processing An approach to dynamic reconfiguration of data process-ing networks on sensor networks is DFuse [16] DFuse is a service-oriented approach to data processing It contains

Ngày tải lên: 21/06/2014, 07:20

... wireless networks can in general be divided into five different categories, including wireless regional area networks (WRANs), wireless wide area networks (WWANs), wireless metropolitan area networks ... networks (WWANs), wireless metropolitan area networks (WMANs), wireless local area networks (WLANs), and wireless personal area networks (WPANs) The IEEE standards association establishes five ... Introduction A wireless network is a type of computer networks that utilizes wireless communication technologies to maintain connectivity and exchange messages between stations over wireless media,

Ngày tải lên: 21/06/2014, 17:20

... Applications of wearable and implanted wireless sensor devices are hot research area. A specialized field called the body area networks (BAN) has emerged to support this area. Managing and controlling ... efficient MAC protocol for wireless body area networks Moshaddique Al Ameen 1 , Niamat Ullah 1 , M Sanaullah Chowdhury 1 , S M Riazul Islam 1 and Kyungsup Kwak* 1 1 UWB Wireless Communications ... versions will be made available soon. A power efficient MAC protocol for wireless body area networks EURASIP Journal on Wireless Communications and Networking 2012, 2012:33 doi:10.1186/1687-1499-2012-33

Ngày tải lên: 21/06/2014, 17:20

... IEEE 802.11 Wireless Local Area Networks SungHoon Seo,1JooSeok Song,1Haitao Wu,2and Yongguang Zhang2 1 Department of Computer Science, Yonsei University, Seoul 120-749, South Korea 2 Wireless and ... Recommended by Naveen Chilamkurti We propose a MAC layer handoff mechanism for IEEE 802.11 Wireless Local Area Networks (WLAN) to give benefit to bandwidth-greedy applications at STAs The proposed ... As wireless networking grows in popularity, various radio access technologies have been developed to provide bet-ter environment for user data service Most of all, IEEE 802.11 Wireless Local Area

Ngày tải lên: 21/06/2014, 23:20

... RF TRANSCEIVER FOR WIRELESS BODY AREA NETWORKS (WBAN) M.KUMARASAMY RAJA NATIONAL UNIVERSITY OF SINGAPORE 2011 Trang 2ENERGY AWARE RF TRANSCEIVER FOR WIRELESS BODY AREA NETWORKS (WBAN) M.KUMARASAMY ... Works 107 List of Publications 109 BIBLIOGRAPHY 110 Trang 7SUMMARY Transceivers for wireless body area networks (WBAN) are expected to consume low power for long battery life or to operate ... both carrier generation in the transmitter and SRO in the receiver saving the silicon area Such reduction of area assumes importance in implanted applications The transmitter and receiver maintain

Ngày tải lên: 09/09/2015, 18:49

... with only the last hop being wireless Cellular phones and wireless networks using 802.11 (WI-FI) are examples of this Ad hoc networks are another type of wireless networks They are formed by a ... only one leading to the decrease of throughput for larger networks We considern wireless nodes uniformly distributed over a square area of areaA So the density of the nodes has the valueρ = n/A ... capacity of wireless networks,” IEEE Transactions on Information Theory, vol 46, no 2, pp. 388–404, 2000 [2] M Grossglauser and D N C Tse, “Mobility increases the ca-pacity of ad hoc wireless networks,”

Ngày tải lên: 22/06/2014, 00:20

... ĐẠI HỌC BÁCH KHOA HÀ NỘI KHOA ĐIỆN TỬ VIỄN THÔNG ––––––––––––––––– Computer Networks Seminar Đề tài: Wireless Local Area Network Sinh viên thực hiện : ĐỖ VIỆT THANH LÝ HOÀI NAM Lớp : ... CỦA WLAN 5 CÔNG NGHỆ TRONG WLAN Trang 31 TỔNG QUAN Mạng LAN không dây viết tắt là WLAN (Wireless Local Area Network), là một mạng dùng để kết nối hai hay nhiều máy tính với nhau mà không sử dụng ... Institute of Electrical and Electronic Engineers (IEEE) phác thảo chuẩn 802.11 cho WLANs (Wireless Local Area Networking) WLAN là mạng cục bộ không dây cho phép kết nối không dây ethernet hoạt

Ngày tải lên: 01/09/2013, 10:30

... http://standards.ieee.org/getieee802/download/ 12 Kismet wireless sniffing software,http://www.kismetwireless.net 13 D Kotz and K Essien, Analysis of a campus-wide wireless network, Wireless Networks 11: 115–133 (2005) 14 ... using 1.3.3 Wireless-Side Measurement Studies As we have described in Section 1.2, wireless sniffing is complicated, and as such, there have been few large measurement studies of the wireless side ... [26,27] looked at the difficulties of conducting wireless-side measurement To estimate the amount of loss incurred in wireless measurement, three wireless sniffers were compared to a wired sniffer

Ngày tải lên: 20/01/2014, 01:21

... researchers in wireless networking It features carefullywritten articles covering topics of much current interest in the areas of wirelesslocal area networks (WLANs), multihop networks, sensor networks, ... decided to put together a book in this areathat would address core issues in wireless networks, with emphasis on wirelessLANs, multihop wireless networks, and sensor networks, along with their applica-tions ... theenvironment This book aims to address challenging issues in wireless networks, in particular,wireless LANs, multihop wireless networks, sensor networks and their applications In addition, the book

Ngày tải lên: 20/01/2014, 01:21

... CONSIDERATIONS FOR STORAGE AREA NETWORKS Security Considerations for Storage Area Networks Colleen Rhodes East Carolina University Trang 2Abstract In this paper I will describe Storage Area Networks (SANs) ... securing a Storage Area Network by using best practices in setting up a SAN as well as securing the data on a day-to-day basis Trang 3Security Considerations for Storage Area Networks What is ... Storage area networks also separate storage traffic from general network traffic Biran, O., Meth, K., Sarkar, P., Satran, J & Voruganti, K (2003, Benefits section, para 3) report, In a storage area

Ngày tải lên: 14/02/2014, 16:20

... non-slotted Aloha in wireless ad-hocnetworks In Proc of IEEE INFOCOM, San Diego, CA, 2010 [6] M Haenggi Outage, local throughput, and capacity of random wireless networks IEEE Trans.Wireless Comm., ... multihop wireless networks In Wireless Networks, Volume 10 Issue 5, 2004.[18] G Bianchi Performance analysis of the ieee 802.11 distributed coordination function In IEEEJournal on Selected Areas ... Mobile ad hoc networks and its variations such as wireless mesh networks and wirelessLANs (WLAN) have become the ubiquitous connectivity solution in public as well asresidential access networks,

Ngày tải lên: 14/03/2014, 21:20

... 14Wireless networks, whether cellular networks or wireless local area networks (LANs),have rapidly become an indispensable part of our life Evidence of this is the widespreadusage of such networks ... Trang 2SECURITY FOR WIRELESSAD HOC NETWORKS Farooq Anjum and Petros Mouchtaris Trang 4SECURITY FOR WIRELESSAD HOC NETWORKS Trang 6SECURITY FOR WIRELESSAD HOC NETWORKS Farooq Anjum and Petros ... communicationmedium for wireless networks is a big vulnerability that can be exploited to launchseveral attacks against wireless networks In addition, wireless ad hoc networks usuallycannot depend

Ngày tải lên: 25/03/2014, 12:07

... circuits and wireless communications have led to the development of Wireless Body Area Networks (WBANs) Wireless body area networks may be a viable alternative to measure active time They can ... of active time (i.e the time during which a patient is active physically) obtained with a wireless body area network (WBAN) of 3D accelerometer modules positioned at the hip, wrist and ankle The ... rehabilitation Miniature, wireless, and wearable technology offers a tremendous opportu-nity to address this issue Recent technological advances in integrated circuits and wireless communications

Ngày tải lên: 19/06/2014, 08:20

... information flow in an inte-grated WBAN system Wireless Body Area Network of Intelligent Sensors for Patient Monitoring Figure 1 Wireless Body Area Network of Intelligent Sensors for Patient ... 2004, 47(4):495-504. 10. Jovanov E, Price J, Raskovic D, Kavi K, Martin T, Adhami R: Wireless Personal Area Networks in Telemedical Environment Proc 3rd International Conference on Information ... advances in integrated circuits, wireless communication, and sensors enable develop-ment of miniature, non-invasive physiological sensors that communicate wirelessly with a personal server and subsequently

Ngày tải lên: 19/06/2014, 10:20

... Heterogeneous Wireless Networks 221 Anna Maria Vegni and Roberto Cusani Chapter 12 On the Use of SCTP in Wireless Networks 245 Maria-Dolores Cano Chapter 13 Traffic Control for Composite Wireless ... opportunistic communication networks Chapter 9 covers a novel technique on joint call admission control in integrated wireless local area networks (WLAN) and cellular networks Chapter 10 is devoted ... heterogeneous wireless networks for next-generation multimedia communication networks Chapter 12 studies the use of a stream control transmission protocol (SCTP) in wireless communication networks

Ngày tải lên: 19/06/2014, 19:20