Erlang loss formula

См. также в других словарях:

• Erlang unit — The erlang (symbol E [ [http://www.unc.edu/ rowlett/units/dictE.html How Many? A Dictionary of Units of Measurement] ] ) as a dimensionless unit is used in telephony as a statistical measure of the volume of telecommunications traffic. It is… …   Wikipedia

• Erlang distribution — Probability distribution name =Erlang type =density pdf cdf parameters =k > 0 in mathbb{Z} shape lambda > 0, rate (real) alt.: heta = 1/lambda > 0, scale (real) support =x in [0; infty)! pdf =frac{lambda^k x^{k 1} e^{ lambda x{(k 1)!,} cdf… …   Wikipedia

• Erlang-B — (sometimes also written without the hyphen Erlang B) is a formula derived from the Erlang distribution to describe the probability of call loss on a group of circuits (in a circuit switched network, or equivalent). It is, for example, used in… …   Wikipedia

• Agner Krarup Erlang — Infobox Person name = Agner Krarup Erlang image size = 200px caption = birth date = January 1, 1878 birth place = Lonborg, Denmark death date = February 3, 1929 death place = occupation = mathematician, statistician, and engineer spouse = parents …   Wikipedia

• Grade of service — In telecommunication engineering, and in particular teletraffic engineering, the quality of voice service is specified by two measures: the grade of service (GoS) and the quality of service (QoS).Grade of service is the probability of a call in a …   Wikipedia

• Queueing theory — is the mathematical study of waiting lines (or s ). The theory enables mathematical analysis of several related processes, including arriving at the (back of the) queue, waiting in the queue (essentially a storage process), and being served by… …   Wikipedia

• List of statistics topics — Please add any Wikipedia articles related to statistics that are not already on this list.The Related changes link in the margin of this page (below search) leads to a list of the most recent changes to the articles listed below. To see the most… …   Wikipedia

• Teletraffic engineering in broadband networks — Teletraffic engineering is a well understood discipline in the traditional voice network, where traffic patterns are established, growth rates can be predicted, and vast amounts of detailed historical data are available for analysis. However, for …   Wikipedia

• Noncentral chi-squared distribution — Noncentral chi squared Probability density function Cumulative distribution function parameters …   Wikipedia

• Maxwell speed distribution — Classically, an ideal gas molecules bounce around with somewhat arbitrary velocities, never interacting with each other. In reality, however, an ideal gas is subjected to intermolecular forces. It is to be noted that the aforementioned classical… …   Wikipedia