planning and cabling networks ppt

... structures, and the positions that different nodes have in networks.The second part consists of Chapters 7–9 and discusses (graph modelsof) real-world networks Notably Chapter 7 on random networks ... 1667.4 Scale-free networks 172 Fundamentals 172 Properties of scale-free networks 178 Related networks 181 8 Modern computer networks 185 8.1 The Internet 187 Computer networks 187 ... messages, handling transmission errors, chronization between transmitter and reader (i.e., sender and receiver), and syn-so on In other words, these seemingly primitive communication networkshad

Ngày tải lên: 31/03/2014, 21:22

... intermediate and end device connections in a LAN. – Identify the pin out configurations for straight-through and crossover cables. - Identify the different cabling types, standards and ports used ... Trang 1© 2007 Cisco Systems, Inc All rights reserved Cisco Public 1Version 4.0 Planning and Cabling Networks Network Fundamentals – Chapter 10 Trang 2© 2007 Cisco Systems, Inc All rights ... equipment.  Design an addressing scheme for an inter-network and assign ranges for hosts, network devices and the router interface  Compare and contrast the importance of network designs. Trang 3©

Ngày tải lên: 20/06/2014, 12:20

... roaming and IP handoff, and cluster crea-tion, splitting and merging Especially, in wireless sensor networks, observer nodes should be equipped with addi-tional computaaddi-tional, energy, and communication ... inte-grates the two types of evidence, handles incompleteness and duplication of information in them, and allows the generation of potential and provable actions and attack scenarios We consider a ... framework for digital investigation in wireless networks, especially sensor and ad hoc networks, turns out to be more tricky and challenging than in wireline networks To do so, a set of requirements

Ngày tải lên: 21/06/2014, 02:20

... Cellular and Mobile Networks Ingo Viering,1Andreas Lobinger,2and Szymon Stefanski3 1 Nomor Research GmbH, 81541 Munich, Germany 2 Nokia Siemens Networks, 81541 Munich, Germany 3 Nokia Siemens Networks, ... real-time axis and without real mobility Those Trang 2simulators are used for network planning or for coarsestudies to understand the interrelations of new features, for example, heterogeneous networks ... work is long term e volution, and the most important uplink effects such as fluctuating interference, power control, power limitation, adaptive transmission bandwidth, and control channel limitations

Ngày tải lên: 21/06/2014, 11:20

... and it can be seen that theidea can be applied to numerous types of networks A few examples ofbanding networks are given below, but these are for guidance only since theactual selection of bands ... on earliest and latest starting and finishing times and on thevarious types of float As is so often the case, network analysis andcomputerization are regarded as being synonymous, and the drawbacks ... clarity and ease ofunderstanding Complex networks only confuse clients, and reflect a lack ofappreciation of the advantages of method statements Trang 14Integrated systemsThe trend is to produce and

Ngày tải lên: 26/01/2014, 11:20

... by rodents and to permit easy and efficient cleaning and disinfecting Mud floors and sand floors should never be permitted, as they will render cleaning between batches very difficult and will ... 1950s and 1960s and poultry meat and eggs have now become very common in the diet of the people of the region People have become increasingly aware of their advantages as food items and the demand ... percent, thigh and legs – 29 percent, wings – 13 percent and neck and giblets – 11 percent Vaccination and disease control Effective disinfecting of broiler houses between batches, and leaving a

Ngày tải lên: 21/02/2014, 01:20

... managers and to functional and tional leaders throughout AFMC and its centers and laboratory directorates It should also be opera-of interest to anyone else interested in workforce planning and development ... (AFMC/A1), and was conducted within the Manpower, Personnel, and Training Program of RAND Project AIR FORCE RAND Project AIR FORCE RAND Project AIR FORCE (PAF), a division of the RAND Corporation, ... Materiel Command AFMC/A2/5 Director of Intelligence and Requirements, Air Force Materiel CommandAFMC/A8 Director of Strategic Plans and Programs, Air Force Materiel CommandAFMC/CC Commander, Air

Ngày tải lên: 06/03/2014, 20:20

... decline in land productivity and massive environmental degradation, contributing to rampant malnutrition amongst the Rwandan population Rwandans can no longer subsist on land and ways and means ... local demand and even move towards export As for services, in the medium to long term, this sector will become the most important engine of Rwanda’s economy Since Rwanda is landlocked and has ... healthcare and to reduce its cost Family planning is crucial for reducing both birth rates and the prevalence of HIV/AIDS Envisaged and current population policies should go hand in hand with strategies

Ngày tải lên: 08/03/2014, 06:20

... interactions of people and vehicles 1 Introduction We consider the problem of event modelling and recognition in visual surveillance and introduce an approach based on Markov Logic Networks ([1]) that ... could handle dynamic domains that involve, for example, time and location Here, we represent our knowledge in the form of production rules, production → conclusion, and use deduction to ground (and ... quantifier and will be expanded to a disjunction of conjunctive clauses when grounded For example, suppose that passBy(P1, L, T ) and passBy(P2, L, T ) are true for two persons P1and P2(i.e two

Ngày tải lên: 23/03/2014, 13:20

... operationalplanning, focusing mostly on the Commander of Air Force Forces(COMAFFOR) and Joint Forces Air Component Commander(JFACC) levels during strategic planning and contingency planningand execution ... assess-ments, better connect spares planning and execution, and im-prove the deployment planning process (See pages 53–57.) Conclusion The strategic and operational environment and the AEF concept thataddresses ... support and exchange of ideas At RAND,Amanda Geller made key contributions to the research reported here.Also at RAND, we give thanks to Lawrence Hanser and Myron Hurafor reviewing this document and

Ngày tải lên: 29/03/2014, 18:20

... known and unknown CSI and their special cases, and Section 4 introduces the suboptimalestimator In Section 5, we analyze the asymptotic performance and complexity of the presented MLEs anddiscuss ... observation and channel models, which minimizes the MSE of parameterestimation The bandwidth and energy constraints are two critical issues for the design of WSNs When the strictbandwidth constraint ... access fading channels in wireless sensor networks— optimal and suboptimal estimatorsmultiple-Xin Wang∗1 and Chenyang Yang1 1 School of Electronics and Information Engineering, Beihang University,

Ngày tải lên: 20/06/2014, 04:20

... algorithms and artificial neural networks Joel Quintanilla-Domínguez1,3*, Benjamín Ojeda-Magaña1,2, Alexis Marcano-Cedeño1, María G Cortina-Januchs1,3, Antonio Vega-Corona3and Diego Andina1 Abstract ... > 1 andh > 1 The values of a and b repre-sent the relative importance of membership and typical-ity values in the computation of the prototypes, absolute weight of the membership value and ... k-means algorithm, feature extraction based on window-based features such as the mean and standard deviation and, finally, the use of a classifier based on an artificial neural network (ANN) to

Ngày tải lên: 20/06/2014, 22:20

... grants to request more bandwidth, and the nrtPS service can get more bandwidth On the other hand, the algorithms WRR and RR do not interact with the polling mechan-ism, and they use a fixed polling ... met 3.2.2 Ensuring minimal bandwidth for rtPS and nrtPS services The scheduler ensures the minimal bandwidth for rtPS and nrtPS services in accordance with the minimum bandwidth requirement per ... algorithm stores the amount of band-width received for each connection (lines 7 and 25), and verifies, using the QoSMonitoring() module, if the mini-mum bandwidth of the rtPS and nrtPS services is within

Ngày tải lên: 20/06/2014, 22:20

... Philippe De Doncker1 Abstract Personal area networks and, more specifically, body area networks (BANs) are key building blocks of future generation networks and of the Internet of Things as well In ... low-loss and phase-stable cables interconnect all components, and the IF-bandwidth was set to 100 Hz to enlarge the dynamic range to about 120 dB The experimental scenario is presented in Figure 1 and ... from (17) and the final expression is given in (19) D Minimum transmit powers The first terms in the sum at the right-hand side of (17) and the first multiplicative term at the right-hand side

Ngày tải lên: 20/06/2014, 22:20

... placement and replacement together with dynamic bandwidth allocation for OVSF-CDMA-based systems In addition, in 3G networks, the assignment of bandwidth (or constrain the power and bandwidth ... provide delay and rate guarantees for real-time traffic, and fair access for non-real-time traffic, and (iv) the reassignments during dynamic bandwidth allocation While WCDMA-based cellular networks use ... support delay and rate guarantees for time flows and to provide fairness for non-real-time flows on the downlink of WCDMA- and VSF-OFCDM-based cellularnetworks CFCA not only assigns bandwidth dynamically

Ngày tải lên: 21/06/2014, 11:20

... percentage of correct identification is about 97% In [6], Wong and Nandi have proposed a method for ADMR using artificial neural networks and genetic algorithms In their study, they have presented ... densities of phases and amplitudes In [20], Pedzisz and Mansour derived and analyzed a new pattern recognition approach for automatic modulation recognition of M-PSK signals in broadband Gaussian noise ... (MLPs), radial basis function (RBF) networks, and self-organizing maps (SOMs) We had chosen MLP feed-forward networks in our work because of their simplicity and effective implementations; also

Ngày tải lên: 21/06/2014, 16:20

... 1-ZV5W, and RGC/GRF PolyU 5305/08E References [1] I F Akyildiz, X Wang, and W Wang, “Wireless mesh networks: a survey,” Computer Networks, vol 47, no 4, pp. 445–487, 2005 [2] M Conti and S Giordano, ... settings ofM and B are M = N andB =1, which are their lower bounds for valid schemes 2.2 Network-Coding-Based Caching: Superiority and Prob-lems We now show that network coding, in particular, random ... IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON ’09), pp 1–9, June 2009 [7] J Liu and J Xu, “Proxy caching for media streaming over the internet,”

Ngày tải lên: 21/06/2014, 17:20

... Research Article QoS Differentiated and Fair Packet Scheduling in Broadband Wireless Access Networks Rong Yu,1Yan Zhang,2and Shengli Xie1 1 School of Electronic and Information Engineering, South ... BWA networks Packet scheduling algorithms, which are in charge of the bandwidth allocation and multiplexing at the packet level, play key roles for resource sharing and QoS provisioning in BWA networks ... fading and inter-user mobility, and so forth As a result, the channel conditions of users may vary with time and location asynchronously at random, leading to the so-called time-dependent error and

Ngày tải lên: 21/06/2014, 23:20

... Communications and Networks (IC3N ’98), pp 153–161, Lafayette, La, USA, October 1998 [3] K H Wang and B Li, “Efficient and guaranteed service coverage in partitionable mobile ad hoc networks, ... (for both x-andy-directions). 3.1.1. Analytical modeling The SIMM model uses two Markov chains with discrete pa- rameters and 3 states (0, 1, and 2), to represent movements in the x-andy-coordinate, ... coordinate, x and y), and not the positions themselves. For this model, the absolute value of the velocity varia- tion is given by a truncated geometric random variable dis- tributed between 1 and b

Ngày tải lên: 22/06/2014, 19:20

... control (MAC) and routing protocols for vehicular networks, and the various factors that affect their design and performance The mobility and speed of the communicating nodes in vehicular networks ... with-inside and with-outside vehicle via vehicu-lar networks, and new technologies have been developed for vehicular networks This chapter is meant to introduce the emerging area of vehicular networks and ... the size and complexity of the network grows, integration, maintenance and troubleshooting will become a major challenge To facilitate integration and troubleshooting of various nodes and networks,

Ngày tải lên: 27/06/2014, 01:21