coding based covert timing channels for network flows

... convergence based on the standard LMS performance analysis [7] One solution of the slow convergence problem of LMS for the color input is the so-called transform domain LMS [7] By using a unitary transform ... echo path for the color input Essential for the good performance of the WMPNLMS is that the wavelet transform preserve the sparseness of the echo path impulse response after the transformation ... Doroslovaˇ ki, “Comparison of wavelet c and other transform based LMS adaptive algorithms for colored inputs,” in Proceedings of the Conference on Information Sciences and Systems, vol 2, pp FP5 17–FP5...

Ngày tải lên: 22/06/2014, 19:20

... show that V ≤ for each l We apply the dynamic equation (7), and discuss the four cases: In this section, we present a global stability analysis for REAQM based on the duality model for TCP/AQM ... performs well for high degree of multiplex of flows over wired links The rest of the paper is structured as follows In Section 2, we introduce some related work, including the analytical model for ... length gives very little information as to the severity of congestion Therefore, decoupling queue length from congestion management has some benefits REM is a queue-and-rate -based scheme The objective...

Ngày tải lên: 22/06/2014, 22:20

... multisource-multicast networks that can achieve a high network throughput efficiency has received less interest The NC -based ARQ strategies for multicast networks proposed in [12] can be reused for multisource-multicast ... multisource-multicast network by viewing a multisourcemulticast network as a superposition of several multicast networks More specifically, the lost packets in the same information flow can be XORed using the NC -based ... we propose a new reliable transmission scheme for wireless multisource-multicast networks based on NC For a specific case of multisource-multicast networks with two sources and two destinations,...

Ngày tải lên: 21/06/2014, 05:20

... platform, which is generally a constraint for network application Thus the focus of the project is to realize the possible usage of low-end embedded Linux platform for a medium speed hungry network ... Table shows the new system detection information Table desktop -based scan information Type of Network Class A Class B Class C Type of IP Network Class A Detect Information 10.172.1.255 169 Time 32 ... picture of our lab LAN traffic information So we run a web based Embedded Network Monitor System which has been developed in our lab for 24 hours in order to get traffic information Figure shows the...

Ngày tải lên: 14/03/2014, 22:20

... analysis (SPIA) Bioinformatics 25, 75–82 27 Blum T & Kohlbacher O (2008) MetaRoute: fast search for relevant metabolic routes for interactive network navigation and visualization Bioinformatics 24, ... into a network (model 2) For example, model D5, which allows up to four intermediate compounds, covers 11 metabolites For each model, the P-value was estimated using a Monte Carlo procedure For ... compound network The KEGG REACTION database is a collection of chemical structure transformation patterns for substrate–product pairs (reactant pairs) We can build a global ‘reaction network ...

Ngày tải lên: 16/03/2014, 01:20

... prove that: • One-step iterative prediction based on CPRBF network has good prediction performance • Comparing with RBF network, CPRBF network has better performance on iterative prediction, in terms ... detection for hydraulic pump using neural network in conjunction with chaos theory A commonly used neural network in the past and now, namely, RBF network was employed for fault detection for hydraulic ... Therefore, a PRBF network consisting of multiple RBF subnets is proposed to increase the system performance with decreased error Structure of CPRBF The CPRBF is constituted of multiple RBF networks...

Ngày tải lên: 21/06/2014, 00:20

... Transmission for Network Coding We propose a scheme in which information rate is adapted to each sink’s channel This can be accomplished by inverting the order of channel coding and network coding ... channel and network coding The network coding stage is transparent to the channel coding scheme; that is, the channel seen by the channel decoder is equivalent to the channel without network coding ... practical wireless network coding, ” IEEE/ACM Transactions on Networking, vol 16, no 3, pp 497–510, 2008 [10] H Yomo and P Popovski, “Opportunistic scheduling for wireless network coding, ” IEEE Transactions...

Ngày tải lên: 21/06/2014, 11:20

... and B Nath, “ReinforM: reliable information forwardingusing multiple paths in sensor networks,” in Proceedings of the 28th Annual IEEE International Conference on Local Computer Networks, pp 406–415, ... dramatically reduces the overall information needed for balancing energy consumption (3) We propose an adaptive reliable routing based on cluster hierarchy(ARCH) for WMSN By using power allocation ... destination (4) We perform extensive simulation experiments to evaluate ARCH by several performance indexes The results show that ARCH performs high efficiency in wireless multimedia sensor network The rest...

Ngày tải lên: 21/06/2014, 17:20

... error rate and the number of operations for the tabulated -based implementation and for the line -based implementation with and without retrained output weights, for files of 2.5 seconds and 20 milliseconds, ... block and the aforementioned classifier based on a neural network 2.1 Feature Extraction There is a number of interesting features that could potentially exhibit different behavior for speech, music, ... zi > z j , then bi > b j Therefore, since the final decision is taken by comparing the outputs of the neural network and looking for the greatest value, once the network is trained there is no...

Ngày tải lên: 21/06/2014, 20:20

... Step 2(a): Look for MF peak(s) in ECF domain using (15) Step 2(b): Look for Diff peak(s) in Diff domain using (16) (for PT(Diff 2) method) or for TK peak(s) in TK domain using (23) (for PT(TK) method) ... results in multipath fading channels are included, in order to compare the performance of the proposed algorithm with the performance of various feedback and feedforward algorithms (some of them ... pulse, bn is the nth data bit (for pilot channels, bn = 1, ∀n) and ck, n is the kth chip (±1 valued) corresponding to the nth spread bit The modulation waveform for BPSK and SinBOCmodulated signals1...

Ngày tải lên: 22/06/2014, 19:20

... adaptive BLAST DFE for wideband systems The application of the idea of [16] in order to develop a computationally efficient DFE for frequency-selective MIMO channels requires a suitable formulation of ... denoted by hnm (k; l), for l = 0, , L The channel length, (L + 1), is considered to be common for all subchannels By assembling the lth impulse response coefficients from all subchannels into the ... (27) that computation of Ei, j (k), for all j ∈ Si (k), requires only O(1) operations Furthermore, an efficient order-update formula can be obtained for the transformed input vector gi (k) By substituting...

Ngày tải lên: 22/06/2014, 20:20

... 29 Chapter System Modeling and Problem Setting 2.1 Network -Based Multimedia System Network -based multimedia services are provided by network -based multimedia systems or distributed multimedia ... architecture of the network -based multimedia system to provide interactive services for thousands of users A typical network -based multimedia system consists of three parts: servers, networks, and ... possible VCR functions include play forward, play backward, pause/resume, fast forward, fast backward, slow forward, slow backward, jump forward, and jump backforward [81] In unicasting, VCR functions...

Ngày tải lên: 17/09/2015, 17:17

... paper brings forward a new network traffic model The form is as follows: M (i ) = c1 N α , β , H (i ) + c (    c h = 1 d    ∗ ANALYSIS AND COMPARISON In order to analyze the performance of ... CONCLUSION The significance of network traffic modeling is to design a mathematic model, which can mimic the trends a method of prediction based on the new model for assigning network resource observed ... MODEL OF NETWORK TRAFFIC ~ and S1(,α1,0) are two i.i.d random variables with common or the Short Range Dependence (SRD) if H < 1 α In order to capture the changes of network traffic, based on...

Ngày tải lên: 14/11/2015, 08:03

... Scoring format for each semester Table The syllabus for 4th semester (for non English majors) Table Time allocation for language skills and sections Table Specification grid for the final computer -based ... Paper test 10% Computer -based 70% Computer -based 70% MCQs test MCQs test Table 2: Scoring format for each semester This study is only focused on the final achievement computer -based MCQs 3.2 The course ... were adopted to obtain information for the study: - Kuder-Richardson Formula 20 for internal consistency reliability estimate - Item difficulty and item discrimination formulae mentioned in section...

Ngày tải lên: 10/04/2013, 14:46

... Based STATCOM Topology Suitable for · · · Fig Fig Circuit structure of the MMC based STATCOM and the way of its connection to the network to a medium-voltage network without a coupling transformer ... voltage, all for phase a component must be the same for the corresponding legs of the NL-HBCC and the PL-HBCC, while the value of the DC voltage component must be in the inverted form for them As ... used in the simulation study The load current waveforms and the source-end current waveforms, before and after compensation, are shown in Fig Before the start time (tS = 0.1S), the compensator...

Ngày tải lên: 15/10/2013, 16:24

... end-user customers Performance Monitoring and Testing With the LoopStar EMS or EMS LCT, service providers can perform advanced management control functions for their entire network of LoopStar ... LoopStar Network www.adc.com • +1-952-938-8080 • 1-800-366-3891 LoopStar® Network Management The LoopStar EMS is a Windows® -based software application designed to operate in standard client-server -based ... LAN/WAN communications The LoopStar EMS can also funnel network configuration, alarms and performance monitoring information to higher-order network management systems via TL1/CORBA/MML north-bound...

Ngày tải lên: 18/10/2013, 19:15

... parameters • Establish network center communications • Perform local and remote continuity, loopback and alarm testing • Measure and adjust the signal performance • Perform integration and soak ... interoffice and intraoffice network elements • Validate the network readiness • Provide customer documentation • Network management system tests • Optical interface tests • Perform measurement tests, ... - Analysis of network performance by simulating abnormal conditions and inserting various errors and alarms Performing bulk payload testing on circuits at DS0 to OC192 rates Performing in-service...

Ngày tải lên: 22/10/2013, 17:15

... combined case -based reasoning, rule -based reasoning (RBR), and model -based reasoning to support therapy for diabetic patients Auguste (Marling and Whitehouse 2001) project has been developed for diagnosis ... importance and proper weightings for them plays a crucial role for system performance So far we have two sets of weight values, both of which offered acceptable system performance in evaluation One ... SULLIVAN 1998 Case -based reasoning in care-partner: Gathering evidence for evidence -based medical practice In Advances in CBR: The Proceedings of the 4th European Workshop on Case Based Reasoning,...

Ngày tải lên: 07/12/2013, 11:41

... story for industrial age companies for which investments in long-term capabilities and customer relationships were not critical for success These financial measures are inadequate, however, for ... Strategies with Top Management No Yes Are Key Performance Indicators Defined? No Define the Key Performance Indicators Yes Are Human Resources Qualified for Information Systems? No Train or Hire the Human ... and improve?” Key performance indicators determined are shown in Table for four perspectives After the analysis it is decided that the human resources are qualified for information systems Baymen’s...

Ngày tải lên: 07/12/2013, 11:41

... second Optical distribution network Optical line termination Optical network termination Optical network unit Outside plant Optical time-domain reflectometer Passive optical network Plain old telephone ... N e t w o r k M a n a g e r s Section 3: Your Blueprint for FTTP Success Choosing the Right Fiber Architecture for the OSP Networks OSP networks, particularly those deploying fiber, were designed ... into the network, both for business and residential consumers The demand for high-speed voice, data and video services is escalating and new distribution architectures must be added to OSP networks...

Ngày tải lên: 10/12/2013, 03:15