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Idle sense: An optimal access method for high throughput and fairness in rate diverse wireless LANs

by Martin Heusse, Franck Rousseau, Romaric Guillier, Andrzej Duda - In ACM SIGCOMM , 2005
"... We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practically unchanged despite much research effort spent on improving its performance. We observe that most proposals for tuning ..."
Abstract - Cited by 175 (12 self) - Add to MetaCart
use different bit rates. We propose a novel access method derived from 802.11 DCF [2] (Distributed Coordination Function) in which all hosts use similar values of the contention window CW to benefit from good short-term access fairness. We call our method Idle Sense, because each host observes

Design of U Slot Wideband Antenna

by Mr Kadam , Sudhir A , Prof Desai , K R , 2013
"... Abstract The U-slot patch antenna was originally developed as a single-layer, single-patch wideband antenna. It has recently been shown that it can also be designed to perform a number of other functions. In this paper, a comprehensive account is given on the development of this antenna. Emphasis i ..."
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Abstract The U-slot patch antenna was originally developed as a single-layer, single-patch wideband antenna. It has recently been shown that it can also be designed to perform a number of other functions. In this paper, a comprehensive account is given on the development of this antenna. Emphasis

Four Layers Opened Slot Resonator

by Humberto C. Chaves Fernandes, Érico C. Braz, Manoel B. L. Aquino
"... Abstract The analysis and results of rectangular slot resonator with four layers are presented. The full wave Transversal Transmission Line (TTL) method, is used in the analysis to obtain the complex resonant frequency. This complex resonant frequency is calculated through double spectral variables ..."
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variables using jointly the moment method. Computational results are obtained for the with and length as functions of the complex frequency for different layer’s thickness of the slot resonator with four layers. Index Terms — Transverse Transmission Line (TTL) method, Slot Resonator, complex resonant

Signals and Slots for Library TR2

by unknown authors , 2006
"... A callback is a mechanism by which a library can execute user-specified code to customize the operation of the library, e.g., by supplying operations that to be performed when elements are visited, to compare elements in a sorting routine, or to respond to asynchronous events such as information rec ..."
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received over a network. There are various language facilities for callbacks in C++, including function pointers, member function pointers,

Slot Clouds: Getting More From Orbital Slots With Networking

by Lloyd Wood, L. Wood, Alex da Silva Curiel, Dave Cooke, Chris Jackson, Javad Anzalchi, D. Cooke, C. Jackson , 2003
"... Operators of traditional geostationary satellites are allocated well-defined orbital slots for their satellites. By breaking the uplink/downlink dependency, adapting onboard processing in the transponders to decode to baseband, co-locating multiple satellites supporting a variety of different uplink ..."
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the 'slot cloud'. The co-located satellites in the orbital slot together form a network and, particularly when using and communicating with the Internet Protocol, can be viewed as a network 'cloud' that provides functionality in a flexible manner.

GRANULAR MODELLING OF EXAM TO SLOT ALLOCATION

by Siti Khatijah , Nor Abdul Rahim , Andrzej Bargiela , Rong Qu
"... ABSTRACT In this paper, we are introducing a new method of granular exam-to-slot allocation based on the preprocessing of the basic student-exam information into a more abstract (granulated) entity of conflict chains. Since the conflict chains are designed to capture the mutual dependencies between ..."
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ABSTRACT In this paper, we are introducing a new method of granular exam-to-slot allocation based on the preprocessing of the basic student-exam information into a more abstract (granulated) entity of conflict chains. Since the conflict chains are designed to capture the mutual dependencies

Tracking and Slot Accounting Systems Abstract

by Z. Wang, Howard R, Z. Wang, H. Aquino
"... The objective of this research is to provide the casino industry with an unbiased, independent study on the available technologies in its business. Both the software manufacturers and the casinos recognize that tracking systems are far from being anything close to perfect. Thus, gaming companies are ..."
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are continually trying to improve the systems that they have on the market. In this paper the authors analyze player tracking and slot accounting systems based on their costs, functions, sizes, hardware requirements, and software requirements respectively, which may help casino executives better understand

Basic Principles of Vacuum Slot Extraction

by unknown authors
"... acuum extraction removes excess V liquid fromopen width textile material as it passes over a narrow slot in a tube connected to a vacuum pump. It has been used for this purpose since the beginning of the present century. The pressure differential across the fabric forces mobile liquid from the inter ..."
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of poor reproducibility of the final water content. Vacuum slot extraction is becoming more popular in textile wet processing because of its energy efficiency and other economic benefits. The basic principles of vacuum slot extraction are reviewed. The function of the components of a vacuum extractor

Chart Parsing According To The Slot And Filler Principle

by Peter Hellwig , 1988
"... A parser is an algorithm that assigns a structural description to a string according to a grammar. It follows from this definition that there are three general issues in parser design: the structure to be assigned, the type of grammar, the recognition algorithm. Common parsers employ phrase structur ..."
Abstract - Cited by 10 (1 self) - Add to MetaCart
structure descriptions, rule-based grammars, and derivation or transition oriented recognition. The following choices result in a new parser: The structure to be assigned to the input is a dependency tree with lexical, morpho-syntactic and functional-syntactic information associated with each node and coded

Optimal Transmission Probabilities for Slotted ALOHA in Fading Channels

by Srihari Adireddy, Lang Tong - in Proc. CISS’02 , 2002
"... We consider the uplink of a cellular sys- tem where M mobiles transmit over a common chan- nel to a base station. We assume that the mobiles use a modified slotted ALOHA protocol to access the channel. The mobiles have access to the uplink SNR, and hence the transmission probability in each slot is ..."
Abstract - Cited by 6 (4 self) - Add to MetaCart
We consider the uplink of a cellular sys- tem where M mobiles transmit over a common chan- nel to a base station. We assume that the mobiles use a modified slotted ALOHA protocol to access the channel. The mobiles have access to the uplink SNR, and hence the transmission probability in each slot
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