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Dynamic Frequency Selection (DFS) is a channel allocation scheme specified for wireless LANs, commonly known as Wi-Fi. It is designed to prevent electromagnetic interference by avoiding co-channel operation with systems that predated Wi-Fi, such as military radar , satellite communication , and weather radar , and also to provide on aggregate a ...
In Fixed Channel Allocation or Fixed Channel Assignment (FCA) each cell is given a predetermined set of frequency channels. FCA requires manual frequency planning, which is an arduous task in time-division multiple access (TDMA) and frequency-division multiple access (FDMA) based systems since such systems are highly sensitive to co-channel interference from nearby cells that are reusing the ...
The Code was created in 1939 and since has been updated four times. The Code of Ethics was first amended in 1981 and then again in 1995 and 2008. The most current version was accepted by the ALA on June 29, 2021. [2] A common thread within the various Code of Ethics focuses on the significance of intellectual freedom and the dangers of ...
A code of practice is adopted by a profession (or by a governmental or non-governmental organization) to regulate that profession. A code of practice may be styled as a code of professional responsibility, which will discuss difficult issues and difficult decisions that will often need to be made, and then provide a clear account of what behavior is considered "ethical" or "correct" or "right ...
Joseph Edmund Sterrett outlined the debate and issues in setting up a Code of Professional Conduct in his address to the annual meeting of the American Association of Public Accountants in 1907 [2] The earliest "official" version of the code of professional conduct among American accountants was issued by the American Institute of Accountants on April 9, 1917.
An allocation is weakly possibly envy-free (WPEF) if for each pair of agents i,j, there is at least one responsive bundle-ranking consistent with i's item-ranking, by which i does not envy j; An allocation is necessarily Pareto-optimal (NPE) if it is Pareto-optimal according to all responsive bundle-rankings consistent with the item-ranking ...
After the 1983 adoption of the MRPC, the ABA's Standing Committee on Ethics and Professional Responsibility has regularly reviewed the MRPC and proposed various amendments to the House of Delegates. [32] [33] One major overhaul began in 1997, when the ABA formed the "Ethics 2000 Commission" to review the MRPC in its entirety.
A decoherence-free subspace (DFS) is a subspace of a quantum system's Hilbert space that is invariant to non-unitary dynamics. Alternatively stated, they are a small section of the system Hilbert space where the system is decoupled from the environment and thus its evolution is completely unitary.