... we study data-centric storage in mobile wireless networks. To detect mobility of wireless nodes, [11] used received signal strength in wireless LAN to detect wireless device mobility.Reference ... long-term storage capability, data-centric storage in mobile wireless networks must take mobility into consideration In mobile wireless networks, when a node stores its data on other nodes [1,2], ... of neighborhood predication for data-centric storage in mobile wireless networks In addition, PARIS can be easily extended to help in load balancing when a node exceeds its storage The main logical
Ngày tải lên: 21/06/2014, 18:20
... The Future of Wireless Communication 3 1.1.1 Ad hoc networks 3 1.1.2 Wireless sensor networks 5 1.2 Challenges 7 1.2.1 Ad hoc networks 8 1.2.2 Wireless sensor networks ... progress of the current ad hoc and sensor network technology, and the main challenges that face the ad hoc/sensor network designer 1.2.1 Ad hoc networks Wireless ad hoc networks have attracted ... which a group of mobile units equipped with radio transceivers communicate without any fixed infrastructure 1.1.1 Ad hoc networks Ad hoc networks are the ultimate frontier in wireless communication
Ngày tải lên: 27/06/2014, 00:20
Báo cáo hóa học: " Research Article A Simulation Study: The Impact of Random and Realistic Mobility Models on the Performance of Bypass-AODV in Ad Hoc Wireless Networks" pdf
... multi-hop wireless ad hoc networks,” in Ad Hoc Networking, pp 139–172, Addison-Wesley, Reading, Mass, USA, 2001 [3] T Camp, J Boleng, and V Davies, “A survey of mobility mod-els for ad hoc network ... Workshop on Mobile Ad Hoc Networks (WMAN ’02), pp 41–58, 2002 Trang 10[13] D M Blough, G Resta, and P Santi, “A statistical analysisof the long-run node spatial distribution in mobile ad hoc networks,” ... for ad hoc wireless networks,” in Proceedings of the 2nd ACM International Workshop on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM ’99), 1999 [11] K Fall and K Varadham,
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Research Article A Family of Key Agreement Mechanisms for Mission Critical Communications for Secure Mobile Ad Hoc and Wireless Mesh Internetworking" pdf
... self-organized networks with advances networking capabilities, and redundant characteristics like wireless mesh Trang 2DSL/cable modem Broadband router Wireless link 802.11a/b/g, 802.16 Mobile ad hoc networks ... any medium, provided the original work is properly cited Future wireless networks like mobile ad hoc networks and wireless mesh networks are expected to play important role in demanding communications ... owned fixed broadband link (fibre, wireless) Wireless mesh access network Wireless clients MANET and mesh clients Figure 1: Network model networks Seamless interworking of both types of networks would
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Enabling location-aware quality-controlled access in wireless networks" pdf
... electronics have also started to be available in home networks for uploading and/or downloading multimedia contents to/from a home gateway On the other hand, wireless Internet service providers (WISPs) ... required service quality, instead of flow and station The proposed scheme can also resolve in part the unfairness between uploading and downloading stations, and addi-tionally, it can be incorporated ... carries out bulk download with FTP traffic, and Region-2 has another station, which is denoted by DN STS and also generates download FTP traffic during the whole time of [0s, 160s] Additionally,
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: "Research Article An Energy-Efficient Link Layer Protocol for Reliable Transmission over Wireless Networks" pdf
... Kotz, “On improving wireless broadcast reliability of sensor networks using erasure codes,” in Proceedings of the 2nd International Conference on Mobile Ad-hoc and Sensor Networks (MSN ’06), ... reliable downstream data delivery in wireless sensor networks,” in Proceedings of the ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHOC ’04), pp. 78–89, Roppongi Hills, ... event-to-sink reliable transport in wireless sensor networks,” in Proceedings of the ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHOC ’03), pp. 177– 188, Annapolis,
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Capacity Planning for Group-Mobility Users in OFDMA Wireless Networks" pdf
... (100, 5)). as admission planning with a dynamic value of admission threshold, is preferred compared to a static planning st rat- egy, such as admission planning with a fixed value of ad- mission ... Research Chair in Advanced Telecommunications Engineering in the Department of Electrical and Computer Engineering His research interests are in mobile systems and wireless networks He is ... based broadband wireless access systems,” IEEE Transactions on Broadcasting, vol 49, no 4, pp 362–370, 2003 [4] C Mohanram and S Bhashyam, “A sub-optimal joint subcarrier and... admission
Ngày tải lên: 22/06/2014, 22:20
Topology Control in Wireless Ad Hoc and Sensor Networks phần 3 pot
... for application in mobile ad hoc networks 3.4 Topology Control in the Protocol Stack A final question is left: where should topology control mechanisms be placed in the ad hocnetwork protocol ... in the graph. Topology Control in Wireless Ad Hoc and Sensor Networks P Santi 2005 John Wiley & Sons, Ltd Trang 1340 THE CTR FOR CONNECTIVITY: STATIONARY NETWORKSand the only way to reduce ... layer is responsible for regulating the access tothe wireless, shared channel Medium access control is of fundamental importance in adhoc/sensor networks in order to reduce conflicts as much as possible,
Ngày tải lên: 14/08/2014, 14:20
Topology Control in Wireless Ad Hoc and Sensor Networks phần 4 pot
... I (n, r, p) is connected – Randomized broadcast: Assume a certain network node u wants to broadcast a message m Performing broadcast in ad hoc networks is a nontrivial task, because of ... general 60 THE CTR FOR CONNECTIVITY: MOBILE NETWORKS Table 5.1 Values of the transmitting range yielding 99% of connected communication graphs in RWP mobile networks, for different values of the ... 5.1.2) can be used to partially characterize the THE CTR FOR CONNECTIVITY: MOBILE NETWORKS 61 CTR of other types of mobile networks. In particular, we consider bounded, obstacle-free mobility models,
Ngày tải lên: 14/08/2014, 14:20
Topology Control in Wireless Ad Hoc and Sensor Networks phần 6 potx
... determines the granularity of what is meant by ‘every direction’ Topology Control in Wireless Ad Hoc and Sensor Networks P Santi 2005 John Wiley & Sons, Ltd Trang 5116 DIRECTION-BASED TOPOLOGY ... is made symmetric by adding the reverse edge (v, u) in the graph.1 To implement this strategy, it is sufficient that every nodeu at the end of basicCBTC advertises its neighbor set at the broadcast ... uni) using power mp u upon receiving notify message(v, add) add nodev to N (u), with associated power mp v if necessary, update the broadcast power bp u Figure 10.7 The LMST protocol Trang 3114
Ngày tải lên: 14/08/2014, 14:20
Topology Control in Wireless Ad Hoc and Sensor Networks phần 7 pptx
... of ad hoc networks: in most application scenarios, the wireless devices that form the network, or at least a significant percentage of them, are mobile This is the case, for instance, of ad hocnetworks ... context of mobile networks A first ment is about what we mean by mobile network It is clear that different types of nodemobility may occur in ad hoc networks, ranging from highly mobile networks ... reducing the control overhead generated by KNeigh with respect to that generated by LMST Although examples of mobile networks in which the relative advantage of using KNeighinstead of LMST is less evident
Ngày tải lên: 14/08/2014, 14:20
Topology Control in Wireless Ad Hoc and Sensor Networks phần 8 ppsx
... have discussed the potential advantages of using TC techniques in wireless ad hoc and sensor networks: reducing node energy consumption and reducing radio interference between nodes ... issues of radio channel and energy modeling 15.2.1 More-realistic radio channel models The radio channel model that is typically used in the analysis of wireless. .. actual radio signal ... characterizations of ad hoc network properties so far derived in the literature turn out to be scarcely useful in practice and that a radio model that accounts for shadowing/fading effects...
Ngày tải lên: 14/08/2014, 14:20
Topology Control in Wireless Ad Hoc and Sensor Networks phần 10 doc
... wireless ad hoc networks. .. Communications and Multimedia, Washington, DC Moaveni-Nejad K and Li X 2005 Low-interference topology control for wireless ad hoc networks Ad Hoc ... k-connectivity in wireless ad hoc networks Proc ACM MobiHoc 04, Tokyo, pp 1–8 Wang K and Li B 2002 Group mobility and partition prediction in wireless ad hoc networks. .. efficient ... Proc European Wireless 2002,... energy-efficient routing protocol for ad hoc networks Proc IEEE Workshop on Algorithms for Wireless, Mobile, Ad Hoc and Sensor Networks (WMAN),
Ngày tải lên: 14/08/2014, 14:20
Module XV Hacking Wireless Networks pdf
... standards with wired networks ~ Wireless networks are much more equipment-dependent than wired networks ~ Easier to implement security policies on wired networks Trang 6Effects of Wireless Attacks ... Walking around to look for open wireless networks ~ Wardriving – Driving around to look for open wireless networks ~ WarFlying – Flying around to look for open wireless networks ~ WarChalking – Using ... XVHacking Wireless Networks Ethical Hacking Version 5 Trang 2~Detecting a Wireless Network~How to Access a WLAN ~Wired Equivalent Privacy ~Wi-Fi Protected Access ~Steps for Hacking Wireless Networks
Ngày tải lên: 12/07/2014, 23:20
Transport layer in ad hoc and sensor networks
... Performance in Ad Hoc Wireless Networks", IEEE Personal Communications Magazine. Transport Protocol for Ad-hoc Networks", in Proc of MobiHoc, 2003. Nitin H Vaidya, “TCP for Wireless and Mobile ... to inherent fading properties of wireless channels Transport Layer in ad-hoc and sensor Trang 9Problems in Wireless Networks Leads to OOO packets Trang 10Problems in Wireless Networks Exponential ... slower wireless link Access Point Wired Network Access Point (BS1) State Transfer Mobile Host Fixed Host Transport Layer in ad-hoc and sensor networks Trang 19Split Connection in multihop wireless
Ngày tải lên: 24/05/2016, 22:34
Ad hoc and sensor networks
... Chapter 13 Ad Hoc and Sensor Networks Copyright © 2003, Dr Dharma P Agrawal and Dr Qing-An Zeng All rights reserved Outline Introduction Characteristics of Ad Hoc Networks Applications ... Protocols Wireless Sensor Networks Flat Routing in Sensor Networks Fixed Wireless Sensor Networks Copyright © 2003, Dr Dharma P Agrawal and Dr Qing-An Zeng All rights reserved Introduction A Mobile ... A Mobile Ad Hoc Network MS2 MS2 MS4 MS3 MS5 Asymmetric link MS7 Symmetric link MS1 MS6 Copyright © 2003, Dr Dharma P Agrawal and Dr Qing-An Zeng All rights reserved Characteristics of Ad Hoc Networks
Ngày tải lên: 10/10/2016, 09:05
DSpace at VNU: A 10-state model for an AMC scheme with repetition coding in mobile wireless networks
... correlation model for shadow fading in mobile radio Electron Lett 27, 2146–2147 (1991) 15 A Conti, MZ Win, M Chiani, Slow adaptive M-QAM with diversity in fast fading and shadowing IEEE Trans Commun ... implementation of the AMC scheme in a Rayleigh fading wireless channel [2-6] Corresponding analysis in a lognormal shadow fading and in Rayleighlognormal composite fading environments is far sparser because ... model for radio propagation suitable for typical mobile radio propagation between the base station and a mobile receiver in urban areas, in which the probability density function for the fading follows
Ngày tải lên: 16/12/2017, 15:51
Mobile Ad Hoc Networks Applications Part 14 pdf
... over Mobile Ad Hoc Networks, Wireless Networks, Vol 8, No 2/3 (March 2002) page number (275-288), 1002-0038 Trang 4The Effect of Packet Losses and Delay on TCP Traffic over Wireless Ad Hoc Networks ... Feedback Based Scheme for Improving TCP Performance in Ad Hoc Wireless Networks, IEEE Personal Communication Magazine, Special Issue on Ad Hoc Networks, Vol 8, No 6, (August 2001) page number (34-39), ... (2001) A Comparison of TCP Performance over Three Routing Protocols for Mobile Ad Hoc Networks, ACM Symposium on Mobile Ad Hoc Networking & Computing, pp 56-66, 1-58113-428-2, Long Beach,
Ngày tải lên: 20/06/2014, 07:20
Báo cáo hóa học: " Research Article Improving the Dominating-Set Routing over Delay-Tolerant Mobile Ad-Hoc Networks via Estimating Node Intermeeting Times" pdf
... challenged networks such as deep space networks [3], sensor networks [4], vehicular networks the problem domain under consideration, sparse mobile ad hoc networks are the focus of our research Mobile ad ... interconnected heterogeneous wireless networks Mobile ad hoc networks (MANETs) are considered a key component of the supernode system for services over an area not covered by other wireless networks Within ... het-erogeneous wireless networks Considering a set of hetero-geneous wireless networks interconnected over an Internet backbone, a roaming user can encounter an intermittent connection to wireless access networks
Ngày tải lên: 21/06/2014, 11:20