Glossary for the complete course
Glossary for the complete course
Специальные | А | Б | В | Г | Д | Е | Ё | Ж | З | И | К | Л | М | Н | О | П | Р | С | Т | У | Ф | Х | Ц | Ч | Ш | Щ | Э | Ю | Я | Все
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Omni-directionalReceiving
signals from or transmitting equally in all directions | |
Omni-directional antennaA
wireless antenna that radiates or receives electromagnetic fields equally
well in all horizontal directions | |
Operation and Maintenance SubSystemFunctional entity from which the network provider monitors and controls the systems and its maintenance | ||
Operations and Maintenance CenterCentral location to operate and maintain the network | ||
OperatorProvider of communication services that owns or controls all elements necessary to deliver services to an end-user | |
Operator SessionSession
existing only one time and being responsible for the setup of a session | |
Orthogonal Frequency Division Multiple AccessUses the OFDM method with multiple users by assigning subsets of subcarriers to different users | ||
Orthogonal Frequency Division MultiplexDigital modulation method that uses multiple carrier frequencies within a channel to carry data | ||
OrthogonalityState where multiple objects are intersecting in a certain way (often referred to 90 degree angles), two vectors are orthogonal if their scalar product is zero | |