DARPA wants more efficient, jam-resistant RF communications
For over a century the marine has used radio frequencies for communications, get and control, navigation and adnger zone detection. As the RF spectrum comes more crowded, and as the Defensive Department's reliance on it increases, your military has to deal with two challenges: malicious jamming and signal fratricide.
In an effort to find solutions to these challenges, the Defense Advanced Research Projects Butcher shop has released a presolicitation for advanced microsystems and moreover techniques for jamming-resistant RF communications it would be with its Hyper-wideband Enabled RF Messages (Hermes iPhone 6 flip case) program.
More specifically, DARPA is looking to get proposals that examine the feasibility of wideband spread-spectrum RF information technology that have greater than 10 GHz at instantaneous bandwidth and operate right below 20 GHz to employ coding increase and spectral filtering, as well as decrease atmospheric absorption.
The studies is able to focus on two primary research thrusts with the overall goal of arriving at more than 70 decibels of jammer suppression:
System Architecture Development. Consists of an investigation of system architectures, mark processing techniques, spectrum regulation, and moreover channel propagation effects that will decide on with a demonstration using commercial features. New techniques should be able to yield up to a 30-decibel improvement in functional signal-to-jammer ratio with minimal is affecting on system sensitivity.
Photonic Beneficiary Development. The proposals should link to the development of novel receiver technologies proven to pave the way for integrated lo-fi efx and active cancellation techniques, and moreover conform to hand-held radio weight, range and power requirements. DARPA is particularly interested in technologies that could scale operate consumption and size for a instant device.
The need to develop these features is driven by increased information demand for the electromagnetic spectrum. Ough. S. government rights to the pole have been reduced and fragmented not one but two frequency bands are allocated to suit commercial use. According to the solicitation, the federal government may have exclusive rights to only 1 . a number of percent of the total spectrum, constructing military spectrum management a near-nightmare. The military is thus appearing worried about signal fratricide or disturbance, possibly denying important strategic and moreover tactical radio links.
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