1a - Jam Resistant Communications Flashcards
Refers to a system originally developed for military applications, to provide secure communications by spreading the signal over a large frequency band.
Spread spectrum
The two predominant techniques to spread the spectrum?
Direct Sequence Spread Spectrum (DSSS)
Frequency hopping (FHSS)
The use of DSSS for multiple access is called ____.
Code Division Multiple Access (CDMA)
Introduces rapid phase transition to the data to make it larger in bandwidth.
DSSS
Makes the narrow band signal jump in random narrow bands within a larger bandwidth.
Frequency Hopping (FHSS)
Provides secure, flexible, and jam-resistant information transfer in real time among the dispersed and mobile units, characteristic of modern armed forces.
JTIDS/MIDS
JTIDS/MIDS acronym
Joint Tactical Information Distribution System / Multifunctional Information Distribution System
JTIDS/MIDS terminals operate on the principal of ____.
Time Division Multiple Access (TDMA)
The JTIDS/MIDS system operates in the ____ frequency band.
960 - 1215 MHz
A wireless, networked, digital data system specifically designed to provide/receive data to/from ground forces on the move.
EPLRS (Enhanced Positioning Location Reporting System)
SADL (Situational Awareness Data Link)
Airborne equivalent of the EPLRS.
SADL (Situational Awareness Data Link)
A United States military term for a GPS-enabled capability that provides military commanders and forces with location information about friendly and hostile military forces.
FBCB2/BFT1
A technology upgrade from FBCB2/BFT to provide improved capability and ensure interoperability between Army and Marine Corps forces.
FBCB2 JCR/BFT2
A networked mission command information system that enables Army and Marine Corps’ units to share near real time friendly, enemy, and battlefield situational awareness, operational maps and graphics, and command and control (C2) messages.
Joint Battle Command - Platform (JBC-P)
The many forms of data links used in the joint services?
LINK 11, LINK 11B, LINK 16, EPLRS, and SADL.