... play network games over the wireless LAN Figure 1.3: A SoHo wireless LAN setup [4] 1.3.2 Enterprise Enterprise networks are generally comprised of a larger number of computers,security systems, ... companieshave long used wireless networks to check in and check out cars In offices, wirelessnetworks open the possibility of configuring more flexible workspaces Manyorganizations using the wireless LANs ... manufacturing, offices, smallbusinesses, and at homes Wireless networking has taken LAN connectivity a stepfurther Now, with wireless networking, LANs have become far more flexible thanthey used to be Wireless...
Ngày tải lên: 17/03/2021, 17:23
... thousands of kilometers Several issues should be considered, such as the difficulty of the maintenance of the static components and efficiency of memory usage and energy consumption Wireless sensor networks ... dependent on the wakeup method that is used Consider two sets of plots: the set of plots of Figure 4d, g and j and the set of plots of Figure 4e, h and k The energy consumption that is depicted ... trip times of 10, 30, 50 and 70 h Figure 4 also consists of twelve plots, from (a) to (l), arranged in a matrix of four rows and three columns The first, second and third columns of the matrix...
Ngày tải lên: 02/11/2022, 08:55
Co existence of wireless communication systems in ISM bands an analytical study
... duplex WLAN wireless local area network WPAN wireless personal area network Trang 11LIST OF FIGURES Figure 1.1 A ubiquitous wireless networking structure Figure 1.2 Block diagram of the contents ... 1CO-EXISTENCE OF WIRELESS COMMUNICATION SYSTEMS IN ISM BANDS: AN ANALYTICAL STUDY WANG FENG (B.Eng) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY IN ELECTRICAL ENGINEERING DEPARTMENT OF ELECTRICAL ... loss of Bluetooth in the wireless indoor channel Figure 4.2 Path loss of 802.11b in the wireless indoor channel Figure 4.3 Eb/No of a Bluetooth signal with the distance Figure 4.4 Eb/No of an...
Ngày tải lên: 12/09/2015, 10:21
DSpace at VNU: An agent-based model for simulation of traffic network status: Applied to Hanoi city
... traffic network of Hanoi to analyze the hot or bottle neck points on the transportation network during rush hours in the city Keywords Traffic network modeling, transportation network simulation, simulation ... study: Simulation of the traffic network of Hanoi city This section presents a case study in which the proposed model is applied to simulate the traffic network of Hanoi (the capital of Vietnam) Figure ... validation of the dynamic optimum of path finding 4.2.1 Simulation runtime The simulation runtime depends on the configuration of the running machine, as depicted in Table 5 The chosen simulation...
Ngày tải lên: 16/12/2017, 11:32
Filtering and control of wireless networked systems
... volumes in systems, decision making andcontrol spanning the areas of Cyber-Physical Systems, Autonomous Systems,Sensor Networks, Control Systems, Energy Systems, Automotive Systems, Bio-logical Systems, ... Control of Wireless Networked Systems, Studies in Systems, Decision and Control 97, DOI 10.1007/978-3-319-53123-6_1 1 Trang 132 1 IntroductionFig 1.1 A typical structure of NCS Fig 1.2 A networked ... wireless network control systems(WNCSs) Trang 32sig-1.7 Wireless Communication 21Fig 1.7 Distributed control systems Fig 1.8 Distributed estimation/filtering systems Compared with the wired networks,...
Ngày tải lên: 04/03/2019, 13:16
Object oriented computer simulation of discrete event systems
... Computer Simulation of Discrete-Event Systems Trang 2ON DISCRETE EVENT DYNAMIC SYSTEMS PERTURBATION ANALYSIS OF DISCRETE EVENT DYNAMIC SYSTEMS Yu-Chi Ho and Xi-Ren Cao MODELING AND CONTROL OF LOGICAL ... other hand, is frequently used in modeling of discrete-event systems, and simulation of this type of systems will be discussed in the remaining parts of this text An event, a key term in this ... techniques for gathering simulation results In general, simulation of discrete-event systems requires the maintenance of two objects: • an internal clock to keep track of the passage of time, • an event...
Ngày tải lên: 17/01/2020, 09:36
Object oriented computer simulation of discrete event systems
... Computer Simulation of Discrete-Event Systems Trang 2ON DISCRETE EVENT DYNAMIC SYSTEMS PERTURBATION ANALYSIS OF DISCRETE EVENT DYNAMIC SYSTEMS Yu-Chi Ho and Xi-Ren Cao MODELING AND CONTROL OF LOGICAL ... other hand, is frequently used in modeling of discrete-event systems, and simulation of this type of systems will be discussed in the remaining parts of this text An event, a key term in this ... techniques for gathering simulation results In general, simulation of discrete-event systems requires the maintenance of two objects: • an internal clock to keep track of the passage of time, • an event...
Ngày tải lên: 20/01/2020, 14:21
Object oriented computer simulation of discrete event systems
... Computer Simulation of Discrete-Event Systems Trang 2ON DISCRETE EVENT DYNAMIC SYSTEMS PERTURBATION ANALYSIS OF DISCRETE EVENT DYNAMIC SYSTEMS Yu-Chi Ho and Xi-Ren Cao MODELING AND CONTROL OF LOGICAL ... other hand, is frequently used in modeling of discrete-event systems, and simulation of this type of systems will be discussed in the remaining parts of this text An event, a key term in this ... techniques for gathering simulation results In general, simulation of discrete-event systems requires the maintenance of two objects: • an internal clock to keep track of the passage of time, • an event...
Ngày tải lên: 02/03/2020, 13:49
Modeling and simulation of wireless communication networks of VNU-IS.
... play network games over the wireless LAN Figure 1.3: A SoHo wireless LAN setup [4] 1.3.2 Enterprise Enterprise networks are generally comprised of a larger number of computers,security systems, ... companieshave long used wireless networks to check in and check out cars In offices, wirelessnetworks open the possibility of configuring more flexible workspaces Manyorganizations using the wireless LANs ... manufacturing, offices, smallbusinesses, and at homes Wireless networking has taken LAN connectivity a stepfurther Now, with wireless networking, LANs have become far more flexible thanthey used to be Wireless...
Ngày tải lên: 29/01/2021, 00:58
design and performance of 3g wireless networks and wireless lans
... computer networks and various forms of information technologies around the world, a partial fulfillment of Bush’s 1945 dream “memex” of a personal microfiche-based system to tackle the problem of information ... the number of countries and institutions attending the conferences Table Participation summary of ICADL conferences ICADL 1998 # of Papers 23 # of Papers from Asia 18 # of Countries # of Countries ... design and development of digital library systems, addressing users, requirements and context of use Section V consists of five chapters xii In Chapter XV, “Usability of Digital Libraries in...
Ngày tải lên: 01/06/2014, 00:46
Mạng nội bộ Wireless LANs
... Mục Lục I Lịch sử Wireless LANs Trang II Giới thiệu Wireless LANs Trang III Các chuẩn Wireless LANs Trang IV Thiết bị Wireless LANs Trang V.Nhu cầu cần thiết Wireless LANs Trang 13 VI ... mạng Hình 1: Các mô hình Wireless Network Năm 1997, the Institute of Electrical and Electronic Engineers (IEEE) phác thảo chuẩn 802.11 cho WLANs (Wireless Local Area Networking) WLAN mạng cục ... Trang 24 IX Ưu nhược điểm Wireless LANs Trang 27 X WiFi đạt tốc độ Ethernet Trang 28 XI Mạng LAN không dây tiến vào tương lai Trang 29 I Lịch sử Wireless LANs Wireless network giao thức mạng kết...
Ngày tải lên: 01/09/2013, 10:43
Economics of Wireless Networks
... for wireless telecommunication companies This chapter overviews several economic aspects of wireless networks, including economic benefits of wireless networks, facts that affect the economics of ... in Multi-Service Wireless Networks, Master Thesis, Department of Microelectronics and Information Technology Royal Institute of Technology of Sweden, 2001 Economics of Wireless Networks 397 [3] ... Economic Benefits of Wireless Networks Due to their ability to reduce overall networking costs, wireless networks can produce significant economic benefits for operators, compared to wired networks It...
Ngày tải lên: 29/09/2013, 21:20
Simulation of Wireless Network Systems
... number of variates generated as a Poisson variate 13.7 Case Studies This section presents examples on the simulation of wireless networks These are the simulation of an IEEE 802.11 wireless LAN, simulation ... been proposed Simulation of Wireless Network Systems Figure 13.12 365 Number of voice channels versus load for a delay of 100 ms which will allow the network manager to trade quality of voice calls ... number of nodes increases This is a general result of the CSMA scheme We can also see that the normalized Figure 13.4 Throughput versus offered load for a Mbps WLAN Simulation of Wireless Network Systems...
Ngày tải lên: 29/09/2013, 21:20
Fundamentals of Wireless Communication
... an inefficient utilization of the available degrees of freedom in the system: bits 47 are packed into smaller number of dimensions instead of spreading into larger number of dimensions as in the ... d[2]2 between the received codewords to be of the order of 1/SNR This event holds roughly when both |h[1]|2 d[1]2 and |h[2]|2 d[2]2 are of the order of 1/SN R, and this happens with probability ... gain, there is a law of diminishing marginal return: as L increases, the marginal benefit decreases because of the law of large numbers, eventually converging to the performance of the AWGN channel...
Ngày tải lên: 20/10/2013, 07:15
The Future of Wireless Banking Implementation of Wireless Banking and Financial Systems
... Resource Locator Wireless Application Environment Wireless Application Protocol WAP Binary XML Wireless Control Message Protocol Wireless Wireless Markup Language Wireless Session Protocol Wireless Telephony ... the data easily, securely, and independent of a network operator or handheld device The Future of Wireless Banking Ron Ghani What are the components of a wireless system? • Handheld devices • Connectivity, ... for data presentation in the proof of concept stage The Wireless Application Server is not an Internet server nor an extension to the Internet: The explosion of the wireless application industry...
Ngày tải lên: 26/10/2013, 16:15
Lecture 2 Wireless Environment and Wireless LANs
... to maximize aggregate utilization of available capacity) Wireless Environment and Wireless LANs 14 Effects of Mobility home network wide area network visited network Figure from Kurose & Ross ... basic operation of IEEE 802.11 and Bluetooth WLANs/WPANs ■ More detailed discussion of operation of such networks will be provided in later lectures Wireless Environment and Wireless LANs Agenda ... Spread Spectrum ■ Direct Sequence Spread Spectrum Wireless Environment and Wireless LANs Agenda (2) ● Wireless networks ■ Mobile wireless WANs ■ Fixed wireless WANs ■ WLANs: the 802.11 family ■ WLANs/WPANs:...
Ngày tải lên: 29/10/2013, 06:15
The Benefi ts of Biotechnology: Scientifi c Assessments of Agricultural Biotechnology’s Role in a Safer, Healthier World
... of the effects of soy protein intake on serum lipids N Engl J Med 1995 Aug 3;333(5):276-82 32 Zhan S, Ho SC Meta-analysis of the effects of soy protein containing isoflavones on the lipid profile ... limited number of farmland soil types and in a limited number of U.S latitudes prior to the arrival of biotech crops, the biggest environmental impact of biotech crops has been the adoption of no-till ... translate into a consumer benefit of food products with zero grams of trans fat High Isoflavone Soybeans A wide body of research indicates multiple health benefits of consuming soy, including: alleviating...
Ngày tải lên: 13/03/2014, 21:57
The Do’s and Don’ts of Entering a Relationship
... – This right here is one of the most common causes of unhappy relationships, but it’s also one of the toughest things to stop yourself from doing if you’re in the heat of the moment Now although ... the time comes, you make a lot of effort to be polite and friendly towards your partner’s friends and family The amount of uncomfortable situations that can come of their friends or family not ... too? So you get to spend ANY time with your new partner?? Well of course, I’m just getting these out of the way now because they are often overlooked Me time is something that isn’t always talked...
Ngày tải lên: 14/03/2014, 14:02
Identification of Research Needs Relating to Potential Biological or Adverse Health Effects of Wireless Communication pptx
... president of the National Academy of Sciences The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... development of models of several heights for men, women, and children of various ages for use in the characterization of SAR distributions for exposures characteristic of cell phones, wireless PCs, ... rapid growth in the number of base stations, there has been a growth of other sources of RF radiation from cordless phones and wireless systems The last general survey of RF levels in U.S cities...
Ngày tải lên: 15/03/2014, 15:20
future prediction of wireless technology using nano devices
... of surface plasmon frequency of gold nanoparticles, using nematic liquid crystals [J Muller et al, Appl Phys Lett 81, 171 (2002).] Schematic of experimental configuration Measured deviation of ... melon config, 22 mev) Propagating Waves of Surface Plasmons in Chains of Nanoparticles A chain of closely spaced metallic nanoparticles allows WAVES of surface plasmons to propagate down ... comparison of unlinked and aggregated Au nanoparticles Absorptance of unlinked and aggregated Au nanoparticles, as measured by Storhoff et al [J Am Chem Soc 120, 1959 (1998)] Description of Previous...
Ngày tải lên: 15/03/2014, 23:50