... individual and the characteristics of both the job and the organization, 2) the existing structure and supervision of the job, 3) the existence of clear, meaningful goals for jobs and the organization, ... involvement and commitment and their greater control over and say in their work, they work harder (Pfeffer 1998: 33) They also work harder because of...
Ngày tải lên: 17/03/2014, 08:20
... second mechanism, adaptive pacing, is used for regulating the data flow in a more balanced and fair way Adaptive pacing adds an extra interval to the backoff time, which is equal to the transmission ... However, only a single path is used for data transmission and the second one maintained as a backup path to minimise the chance of route unavailability To select a primary path...
Ngày tải lên: 21/06/2014, 00:20
Báo cáo hóa học: " Research Article Performance Analysis of Ad Hoc Dispersed Spectrum Cognitive Radio Networks over Fading Channels" potx
... fading, number of dispersed bands, modulation, and coding on the performance of dispersed spectrum cognitive radio systems The results show that the effects of fading, number of dispersed bands, ... [25] Conclusion In this paper, the performance analysis of dispersed spectrum cognitive radio systems is conducted considering the effects of fading, number...
Ngày tải lên: 21/06/2014, 05:20
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
... Impact of Vehicular Mobility Models on Bypass-AODV Vehicular mobility models, FRW and MAN, are adopted to evaluate the performance of Bypass-AODV and then to compare it with AODV Initially, the ... the impact of each mobility model on the performance of the Bypass-AODV as well as the original AODV (1) The routing overhead ratio is the rat...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: "Research Article A Random Ant-Like Unicast Routing Protocol for Wireless Ad Hoc Sensor Networks and Performance Evaluation" pdf
... and provide performance comparison with other routing algorithms We also conduct an approximated mathematical analysis for the RAUR to analyze its performance RAUR is a source routing- based algorithm ... traffic load, it is scalable as the routing load change is small and gradual even at higher number of sending sources The advantages of RAUR are due to its unicast routing...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article Beamforming in Ad Hoc Networks: MAC Design and Performance Modeling" docx
... the pertinent works on the design and analytical modeling of MAC protocols in ad hoc networks when using smart antenna systems (b) We propose a new MAC protocol (BMAC) using beamforming techniques ... Ramanathan, “On the performance of ad hoc networks with beamforming antennas,” in Proceedings of the 2nd ACM International Symposium on Mobile Ad Hoc Networking & C...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Improving TCP Performance over Wireless Ad Hoc Networks with Busy Tone Assisted Scheme" pdf
... The TCP instability problem in 802.11-based wireless ad hoc networks was first reported in [1], and it was further investigated in [2] The TCP unfairness problem in multihop wireless ad hoc networks ... propose a busy tone assisted broadcast and link error detection scheme with low overhead and good energyefficiency, where only the sender needs to transmit two short m...
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Performance Evaluation of Important Ad Hoc Network Protocols" potx
... Figure 2: A setup model of the ad hoc network protocol simulation PERFORMANCE COMPARISON OF THE PROTOCOLS For performance evaluation of different protocols, the latest version of OPNET was used, which ... the end of simulation time EFFECT OF LOAD VARIATION To study the effect of load (number of nodes in a network) variation, the following number of nodes were used...
Ngày tải lên: 22/06/2014, 22:20
Analysis, design and implementation of high performance control schemes for three phase PWM AC DC voltage source converter
... ANALYSIS, DESIGN AND IMPLEMENTATION OF HIGH PERFORMANCE CONTROL SCHEMES FOR THREE PHASE PWM AC- DC VOLTAGE SOURCE CONVERTER XINHUI WU (B.Eng(Hons.), SJTU, Shanghai, China) A THESIS SUBMITTED FOR ... advantage of providing high dynamic performance Hence, this thesis is aimed at developing active control solutions to achieve high performance for...
Ngày tải lên: 11/09/2015, 16:02
The study of TCP performance in IEEE 802 11 based mobile ad hoc networks
... the two major areas related to the work described herein These are the study of TCP performance in ad hoc networks and the mathematical approaches to model TCP in the Internet 2.1 2.1.1 TCP in ... THE STUDY OF TCP PERFORMANCE IN IEEE 802. 11 BASED MOBILE AD HOC NETWORKS LI XIA (B Sc., Nan Jing University, PRC ) A THESIS SUBMITTED FO...
Ngày tải lên: 13/09/2015, 21:25
Stochastic optimal control and performance analysis of wireless ad hoc networks
... Decision Process Single-Agent: basic MDP, SMDP, HSMDP Mobile Ad Hoc Network Multi-Agent: DEC-POMDP How to Achieve Stability? How to Control & Optimize? How to Derive Bounds? Model-Based: DP Irreducibility, ... V-Uniform Ergodicity, Drift Conditions Model-Free: NDP/RL, Policy Gradient Main Contribution: Achieve Stability, Bounds, Optimal Control & Optimization simultaneously ệ ẵẵ è ì...
Ngày tải lên: 14/09/2015, 12:46
A study of TCP performance in wired cum ad hoc environments
... that performance evaluation of TCP algorithms must be done both in pure ad hoc environments and in wired- cum- ad hoc environments before choices are made on TCP parameter tuning and which TCP variant ... specially focuses on TCP performance study in wired- cum- ad hoc environments 13 Chapter Evaluation of TCP Algorithms in Wired- cum- Ad...
Ngày tải lên: 26/09/2015, 10:13
Implementation and performance study of opportunistic network coding in 802 11 based wireless ad hoc networks using qualnet
... message on the performance of opportunistic network coding scheme We then use the findings for further study of network coding scheme on large scale wireless ad- hoc networks We find out there is an ... mobile ad- hoc networks In this thesis we propose to first study and investigate the performance behavior and key control parameters of opportunistic...
Ngày tải lên: 16/10/2015, 11:59
Understanding the Interface
... possible The Fireworks user interface is very flexible and customizable The more familiar you become with the layout of the program, the smoother your workflow will become When you’re looking at the ... you to choose whether your tabbed panels simply display their names, or if they include the panel’s icon as well If the icon helps you to quickly identify the panel then se...
Ngày tải lên: 27/08/2012, 14:31