5992-1606 Datasheet, PDF (6/10 Pages) Keysight Technologies – Propsim Channel Emulation Aerospace, Satellite and Airborne Radio System Testing

06 | Keysight | Propsim Channel Emulation Aerospace, Satellite and Airborne Radio System Testing - Brochure
Emulate High Doppler, Long Propagation Delays and
High Range Rates in a Laboratory Environment
Unique terrestrial and aerospace emulation channels in one piece of
equipment
Keysight is the only test solution supplier who provides emulation of aerospace and
terrestrial channels in a single box. The Propsim aerospace modeling tool is uniquely
integrated with the industry-leading wide band fading emulator Propsim F8, enabling
you to easily switch between the aerospace and terrestrial operating modes as well as
use a wide set of features not available in traditional satellite simulators. These features
include a selection of sophisticated channel modeling tools, standard model libraries and
MIMO emulations up to 8x8.
Multichannel emulation capability
The Propsim aerospace channel emulation solution is able to emulate situations in which
a wide range of different applications communicate with each other or in which several
systems utilize the same radio channels. The communicating devices may be point-to-
point, point-to-multipoint, high speed data applications, broadcasting applications,
specific radar applications, jamming applications or counter measures against jamming.
Accurate aerospace channel emulation
Keysight’s aerospace solution enables realistic emulation of all relevant radio channel
phenomena.
High Doppler
The Doppler shift is proportional to the velocity and carrier frequency in use. Propsim
with aerospace modeling tool independently emulates Doppler phenomena for each
path of the channel while consistently maintaining the phase continuity in dynamic delay
variations. This preserves realistic chip rate variations, which are necessary when testing
satellite receiver performance.
Long delays
Compared to terrestrial links, aerospace links generally have longer link spans. Precise
emulation of delay is important in ranging telemetry applications. Extreme accuracy is
needed in applications such as object guidance or tracking, where it is important to know
where the device was when the signal was transmitted and to make estimations about
its new location. Propsim with aerospace modeling tool emulates delays and positions
between moving objects and reflectors with extremely high accuracy.
Range rate
High range rate creates dynamic effects on radio link amplitude, delay and Doppler.
Depending on the application, the rate range can be function based, linear or sinusoidal
or completely arbitrary, as is the case with maneuvering fighter aircrafts. Accelerations
and changing direction create sudden changes in Doppler, delay and amplitude values.
Propsim aerospace & satellite modeling tool accurately and synchronously emulates
radio links with up to 1.5 MHz maximum Doppler and up to 100 g acceleration.