Definition - What does Nonrepudiation mean? Nonrepudiation is a method of guaranteeing message transmission between parties via digital signature and/or encryption. It is one of the five pillars of information assurance (IA). The other four are availability, integrity, confidentiality and authentication. Nonrepudiation is often used for digital contracts, signatures and email messages.
Definition - What does Cellular Network mean? A cellular network is a radio network distributed over land through cells where each cell includes a fixed location transceiver known as base station. These cells together provide radio coverage over larger geographical areas.
Cellular Networks. A cellular network, which gives cell phones their name, is made up of cellular masts or towers distributed across the country in a grid-like pattern. Each mast covers a relatively small region of the grid, usually around ten square miles, called a Cell.