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- Performance Evaluation of an Adaptive Backoff Scheme for WLAN
- In this paper, a simple self-adaptive contention window adjustment algorithm for 802.11 Wireless Local Area Networks WLAN is proposed and analyzed. Numerical results show that the new algorithm outperforms the standard 802.11 window adjustment algorithm. Compared with the standard and previously proposed enhancement algorithms, a salient feature of the algorithm...
- Tags: Algorithm, Performance, Window, WLAN, Performance Evaluation, Window Adjustment Algorithm, Wireless LANs, LANs, Engineering, Construction, Wi-Fi, Wireless, Networking
- White papers 2004-11-25
Additional Resources
- Grand Master Chess Online (exe)
- Grand Master Chess cannot possibly leave any professional or amateur chess player indifferent to all the new possibilities. The game features multi-playing; a new sound effects algorithm lets you choose your own mp3 directory. Computer intellect adjustment is capable of selecting preset installations. The scaling algorithm is so remarkable that...
- Tags: Algorithm, Chess, Engineering
- Software downloads 2006-10-25
- Dynamic TCP Acknowledgment With Sliding Window
- The dynamic TCP acknowledgement problem formulated by Dooly et al. has been intensively studied in the area of competitive analysis. However, their framework does not consider the sliding window that restricts the maximum number of packets that the sender can inject into the network without an acknowledgement in TCP protocol....
- Tags: Window, TCP, Tcp/Ip, Construction, Networking
- White papers 2007-05-11
- A New Backoff Algorithm for the IEEE 802.11 Distributed Coordination Function
- In the IEEE 802.11 Wireless Local Area Networks WLANs, network nodes experiencing collisions on the shared channel need to backoff for a random period of time, which is uniformly selected from the Contention Window CW. This contention window is dynamically controlled by the Binary Exponential Backoff BEB algorithm. The BEB...
- Tags: Algorithm, IEEE 802.11, Syracuse University, Wireless LANs, Engineering, Wi-Fi, Wireless
- White papers
- A Genetic-Algorithm Based Mobile Sensor Network Deployment Algorithm
- This paper describes a Genetic-Algorithm GA based deployment algorithm of mobile sensor network. The algorithm is designed for real-time online deployment for maximum coverage of the environment. The paper presents the details on the algorithm and the implementation, including the major components in the design: recombination, mutation, and the fitness...
- Tags: Algorithm, Mobile, Network, Sensor, Engineering
- White papers
- Analysis of Scalable TCP in the Presence of Markovian Losses
- In high speed networks, the standard TCP's AIMD algorithm was observed to be inefficient in utilizing the link capacity. As a result of which several proposals such as High-Speed TCP, FAST and Scalable TCP, were put forward. In contrast to the additive increase multiplicative decrease algorithm used in the standard...
- Tags: Algorithm, Window, Computer Science, TCP, Analysis, Tcp/Ip, Engineering, Construction, Networking
- White papers 2007-01-01
- Improving TCP Startup Performance Using Active Measurements: Algorithm and Evaluation
- TCP Slow Start exponentially increases the congestion window size to detect the proper congestion window for a network path. This often results in significant packet loss, while breaking off Slow Start using a limited slow start threshold may lead to an overly conservative congestion window size. This problem is especially...
- Tags: Algorithm, Performance, TCP, Congestion Window, Paced Start, Tcp/Ip, Networking
- White papers 2007-01-01
- Fast End-to-End Available Bandwidth Estimation for Real-Time Multimedia Networking
- Dynamic bandwidth estimation serves as an important basis for performance optimization of real-time distributed multimedia applications. The objective of this paper is to develop a bandwidth estimation algorithm for the fast fluctuated Internet. This paper analyzes the relationship between the one way delay and the dispersion of packets train, and...
- Tags: Multimedia, National Chiao Tung University, Bandwidth Estimation, Engineering
- White papers 2006-07-07
- Websites (exe)
- Gives the user the ability to customize the presentation of website favorites in a window that is easy to see and use. The custom window is sizable and self-adjusting. A floating icon is used for quick access to this window. An easy to use website name/rename/delete capability is included. Program...
- Tags: Window, Web Site, Web Site Development, Web Technology, Construction, Internet
- Software downloads 2007-12-17
- A Genetic Optimization Algorithm to Solve the Problem of the Load-Balancing of Network Load
- An optimum genetic algorithm for balanced network load is proposed in this paper; the algorithm employs the natural number-coded and the selection crossover mutation operator. The algorithm carries on the entire spatial parallel search which concentrates on the high performance parts in order to improve the efficiencies and robustness of...
- Tags: Algorithm, Network, Load Balancing, Engineering
- White papers 2006-07-01
- A Burstiness Control for High Speed Long Distance TCP
- Gigabit networks are rapidly being deployed. This has stimulated intensive research on improving TCP congestion control algorithm in order to sustain large congestion window and high throughput. Most of these works however focus almost exclusively on window control algorithm that controls the network behavior at the round-trip time scale. This...
- Tags: Algorithm, Network, California Institute Of Technology, TCP, Tcp/Ip, Engineering, Networking
- White papers 2007-01-01
- Encryption White Paper
- To scramble plaintext original data into ciphertext the encrypted version you need an algorithm and a key. The algorithm defines which encryption method is used, while the key cites a specific instance of the algorithm. The following example explains this further.
- Tags: Algorithm, Encryption, Engineering
- White papers 1999-02-18
- The Papoulis-Gerchberg Algorithm With Unknown Signal Bandwidth
- The Papoulis-Gerchberg algorithm has been extensively used to solve the missing data problem in band-limited signals. The interpolation of low-pass signals with this algorithm can be done if the signal bandwidth is known. In practice, the signal bandwidth is unknown and has to be estimated by the user, preventing an...
- Tags: Algorithm, Bandwidth, Papoulis-Gerchberg Algorithm, Engineering
- White papers 2006-05-17
- iVolume (exe)
- Tired of constantly adjusting your music's volume? iVolume ensures that all your songs play at the same volume level. iVolume calculates the volume perceived by the human ear for each song of your iTunes music collection. Thereby iVolume gets the most out of the approved Replay Gain algorithm and adjusts...
- Tags: Algorithm, Song, Multiprocessor, Adjustment, Manfred Schwind, iVolume, Engineering, Digital Music, Digital Media, Processors, Personal Technology, Consumer Electronics, Semiconductors, Hardware, Components
- Software downloads 2008-06-03
- Image Styles Pack (exe)
- The main random seed algorithm placed at the heart of Image Styles allows receiving the different images almost every second. You may make skins and icons for your favorite programs, seamless backgrounds and buttons for your Web page, advertising banners, textures for 3D-world, even create an animation and video effects,...
- Tags: Advertisement, Window, Video, Image Styles, Corporate Communications, Construction, Marketing
- Software downloads 2008-01-31
- Magic Photo Exposure (zip)
- Magic Photo Exposure adjusts photo exposure to light up your pictures. It can also enhance color dynamic range for your photos. This novel enhancing algorithm is a break-through to the frustrating traditional brightness and contrast adjustment. It utilizes complex mathematics to intelligently transform color mapping based on the original color...
- Tags: Photograph, Magic Photo Exposure
- Software downloads 2005-12-29
- An Algorithm to Detect TCP Spurious Timeouts and Its Application to Operational UMTS/GPRS Networks
- This paper proposes an algorithm to identify TCP spurious retransmission timeouts by post processing of packet traces monitored in operational networks. The operational principles of the algorithm and the assumptions behind its design are explained in detail as well as the situations in which the algorithm is prone to inaccuracies....
- Tags: Algorithm, UMTS, Network, GPRS, TCP, Engineering, Tcp/Ip, Networking
- White papers 2006-01-30
- Geometrical Methods for Lightness Adjustment in YCC Color Spaces
- Lightening or darkening an image is a fundamental adjustment used to improve aesthetics or correct exposure. This paper describes new geometrical algorithms for lightness adjustment, implementing fast traversal of colors along lightness saturation curves, applicable when the data starts naturally in YCC space JPEG images or MPEG videos. Here, YCC...
- Tags: Solution, Computation, Adjustment
- White papers 2006-01-19
- Steffensen Iterations for Power Updates in CDMA Wireless Networks
- This paper presents a new algorithm for mobile power updates in wireless CDMA systems. The algorithm in fact represents accelerated Jacobi iter-actions for mobile power updates of the algorithm popularly known as the DPC distributed power control algorithm. The new algorithm, with more rapid convergence, is obtained using Ste ensen...
- Tags: Algorithm, CDMA, Engineering
- White papers 2006-01-24
- Load Balancing in Dynamic Structured P2P Systems
- This paper proposes an algorithm for load balancing in such heterogeneous, dynamic P2P systems. This simulation results show that in the face of rapid arrivals and departures of objects of widely varying load, this algorithm achieves load balancing for system utilizations as high as 90% while moving only about 8%...
- Tags: Algorithm, Load Balancing, P2P, Engineering
- White papers 2008-01-01
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