time-frequency hopping system
81Tadilj — Liaison 16 La Liaison 16 (L16) est un standard de liaison de donnée de l OTAN pour l échange d informations tactiques entre des unités militaires. Elle est définie par le STANAG 5516. Sa mise en œuvre opérationnelle est définie dans le document… …
82Torpedo — The modern torpedo (historically called an automotive, automobile, locomotive, or fish torpedo) is a self propelled explosive projectile weapon, launched above or below the water surface, propelled underwater toward a target, and designed to… …
83Wireless local loop — WLL redirects here. Not to be confused with Weight Load Limit, the maximum weight that a given apparatus can bear Wireless local loop (WLL), is a term for the use of a wireless communications link as the last mile / first mile connection for… …
84Walkie-talkie — A walkie talkie (more formally known as a handheld transceiver) is a hand held, portable, two way radio transceiver. Originally developed for the Canadian government during the Second World War by Canadian Donald L. Hings, similar designs were… …
85Opportunity Driven Multiple Access — (ODMA) is a UMTS communications relaying protocol standard first introduced by the European Telecommunication Standards Institute (ETSI) in 1996. ODMA has been adopted by the 3rd Generation Partnership Project, 3GPP to improve the efficiency of… …
86Base transceiver station — An actual BTS device (Siemens BS11µBTS) A typical BTS tower which holds the antenna. The tower is quite …
87NSA encryption systems — The National Security Agency took over responsibility for all U.S. Government encryption systems when it was formed in 1952. The technical details of most NSA approved systems are still classified, but much more about its early systems has become …
88Smart meter — [ http://www.elstermetering.com/en/1914.shtml Elster REX] ) with 900MHz [ [http://www.elster eis.com/en/LAN.html EnergyAxis LAN 900MHz Frequency hopping spread spectrum (FHSS) radio] ] mesh network topology for automatic meter reading and… …
89Acceso múltiple por división de tiempo — La multiplexación por división de tiempo (TDM) es una técnica que permite la transmisión de señales digitales y cuya idea consiste en ocupar un canal (normalmente de gran capacidad) de trasmisión a partir de distintas fuentes, de esta manera se… …
90DVB-RCT — (Digital Video Broadcasting Return Channel Terrestrial), provides a method by which the DVB T platform can become a bi directional, asymmetric, broadband and wireless path between broadcasters and customers. DVB T when completed with DVB RCT can… …
