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About 10,000 papers for “Control channel”

CHANNEL CONTROL

A-to-Z Guide to Thermodynamics Heat and Mass Transfer and Fluids Engineering · 2006

Cited by 0

Gully Control Outlet Channel

Jenkins, E. W. · The Gateway to Oklahoma History · 1940

Photograph of masonary arch drop, gully control terrace outlet channel. Masonry structure was built latter part of 1937 in natural wash, badly gullied to accelerate silting for erosion stabilization. Outlet channel on right is now well vegetated, providing safe watersay and former active erosion behind structure is almost 100%.

Cited by 0

DCC - Digital Control Channel

Civera P.L, Danilo Demarchi, R. Losco · PORTO Publications Open Repository TOrino (Politecnico di Torino) · 1995

Cited by 0

Media Control Channel Framework

Chris Boulton, T. Melanchuk, Scott McGlashan · 2011

This document describes a Framework and protocol for application deployment where the application programming logic and processing are distributed. This implies that application programming logic can seamlessly gain access to appropriate resources that are not co- located on the same physical network entity. The framework uses the Session Initiation Protocol (SIP) to establish an application-level control mechanism between application servers and associated external servers such as media servers. The motivation for the creation of this Framework is to provide an interface suitable to meet the requirements of a distributed, centralized conference system, as defined by the IETF. It is not, however, limited to this scope and it is envisioned that this generic Framework will be used for a wide variety of de-coupled control architectures between network entities.

Cited by 14

Virtual-channel flow control

William J. Dally · IEEE Transactions on Parallel and Distributed Systems · 1992

Network throughput can be increased by dividing the buffer storage associated with each network channel into several virtual channels. Each physical channel is associated with several small queues, virtual channels, rather than a single deep queue. The virtual channels associated with one physical channel are allocated independently but compete with each other for physical bandwidth. Virtual channels decouple buffer resources from transmission resources. This decoupling allows active messages to pass blocked messages using network bandwidth that would otherwise be left idle. The paper studies the performance of networks using virtual channels using both analysis and simulation. These studies show that virtual channels increase network throughput, by a factor of four for 10-stage networks, and reduce the dependence of throughput on the depth of the network.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

Cited by 1,154

Optimal Control Channel Selection for Wireless Channel Assignment

Sheng Zhong · Mathematical Problems in Engineering · 2012

In wireless channel assignment, control channels are often needed for coordination among wireless devices. In this paper, we propose an algorithm for finding the optimal set of control channels given a number of wireless devices and the ranges of channels these devices can access.

Cited by 1Open access

Channel Engineering and Erosion Control

Martin N. R. Jaeggi · 2018

Rehabilitation has become a new activity involving returning a technically perfect but sterile river channel into something more natural. This chapter shows that safety and environmental aspects can be combined in a complementary fashion. The primary aims of the major river regulation works in Central Europe of the 19th and early 20th centuries were land reclamation, flood protection, and (in larger rivers) improvement of navigation. The erosion problem was an immediate consequence of the regulation scheme. However because it was to some extent a desired effect, it was some time later before more attention was given to the problem. The installation of the first steps, designed by water users and railway authorities, seemed to slow down the process. A relatively small modification of an existing straight, narrow channel with an erosion trend would be to widen the cross-section to reduce the transport capacity and thus increase the equilibrium slope.

Cited by 2

Flood-control channel national inventory /

McCarley, Robert W., 1937-, U.S. Army Engineer Waterways Experiment Station., United States. Army. Corps of Engineers. et al. · The Journal of the Abraham Lincoln Association

Cited by 0Open access

Essays in dynamic pricing, channel control and channel competition

Boqian Song · DR-NTU (Nanyang Technological University) · 2016

Dynamic pricing has been successfully applied in the travel, hospitality, retail and entertainment industries to boost revenue and profits. In recent years, the popularity of the Internet and advances in information technology allow sellers to integrate dynamic pricing into their service bundling/unbundling strategy as well as multi-channel distribution strategy. In this dissertation, we model and analyze several dynamic pricing issues with service unbundling and multiple distribution channels.&#13;\nFirst, we study the service unbundling issue of a seller who separates the sales of a fixed-priced add-on and dynamically adjusts the price of the capacitated basic service along the horizon. In each period, an arriving consumer makes sequential choice of the basic service and the add-on, the reservation prices of which jointly follow a bivariate distribution. We characterize the structural properties of the optimal price of the basic service and the value function with respect to inventory level, periods-to-go and degree of dependence between the reservation prices. Through an extensive numerical study, we compare the performance of the unbundling strategy with that of the bundling strategy where the seller sells the basic service and the add-on as a bundle. We summarize the situations when the unbundling strategy is profitable.&#13;\nSecond, we look at the issue of dynamic pricing of a single perishable product on multiple distribution channels over a fixed horizon. We use stylized linear functions to capture the demand rates of dependent channels, where a proportional or fixed commission might be charged for per unit sold. In response to stochastic demand, the seller dynamically adjusts the control (i.e., openness or closeness) of each distribution channel by changing its product prices on all channels. We derive the optimal channel control policy and establish the one-to-one correspondence between the opportunity cost of capacity and the optimal channel control at any given state, from which the optimal prices can be readily solved. For a distribution system with multiple independent channels or two dependent channels, we characterize the structural properties of the optimal channel control policy. &#13;\nLast, we study a dynamic price competition game between two sellers selling substitutable perishable products over a fixed horizon. We assume that one seller has only one distribution channel while the other seller has one or two distribution channels. Utilizing linear demand rate functions, we formulate each seller’s best response value function as a stochastic dynamic program and prove the existence of a sub-game perfect Nash equilibrium. In particular, we show the existence of a unique sub-game perfect normalized Nash equilibrium where both sellers share identical shadow prices on the constrained strategy space. We find that, at any given state, the normalized Nash equilibrium is uniquely determined by the reservation costs of distribution channels. A distribution channel’s reservation cost is the weighted average of the own and cross opportunity costs of capacity for the seller distributing on the channel. In the numerical study, we examine the impact of the addition of a second distribution channel for the dual-channel seller on the performance of the system.

Cited by 0

Flood-Control Channel National Inventory

Robert W. McCarley, Ingram, John J., Brown, Bobby J. et al. · US Army Corps of Engineers: Engineer Research and Development Center (Knowledge Core) · 1990

Abstract : A survey of flood-control project design procedures and related experiences was conducted in 1985 to record the following: (a) specific information about various streams and promising improvement techniques, design methods used in the past, centers of experience for certain type projects, points of contact by name, and stream types; (b) problems and experiences pertaining to project design, environmental issues, local cooperation, operation and maintenance activities, and project review; and (c) insight into future research and guidance needs for bank protection (particularly riprap), grade control structures, and stable channel design. Keywords: Banks/waterways; Channels/waterways; Streams/classification/distributions; Water erosion; Hydrology/riprap/stabilization.

Cited by 0Open access

A Theory of Channel Control

Louis P. Bucklin · Journal of Marketing · 1973

The degree of coordination among activity stations in a channel is a measure of the competitive position of that system. The author discusses problems of channel control. He presents a model of the control process that should provide new insight into channel processes and a basis for improved strategies for attaining desired levels of coordination.

Cited by 128