The USA Navy has formally elevated electronic warfare in addition to the underlying electromagnetic spectrum to the condition of a “warfighting battle space” equivalent to its sea, air, land, space, in addition to cyber operations. The directive approved past times Thomas Modly, undersecretary of the Navy, acknowledges the growing significance of what has also acquire known every bit “spectrum warfare,” defined every bit the merger of conventional tools similar electronic warfare alongside cyber operations.
It also doubles downwardly on Pentagon attempts to mash to a greater extent than efficiency from the crowded airwaves every bit to a greater extent than electronic systems hitting the battlefield. That reality has prompted the services in addition to the Pentagon’s move past times question agency to await for novel ways to re-allocate spectrum for electronic warfare (EW) in addition to cyber operations.
The Defense Department has over the past times 5 years placed a premium on developing agile systems capable of sharing congested spectrum. The Navy’s novel warfighting doctrine released inwards Oct is the latest reflection of that priority.
The directive instructs all Navy branches, including the Marine Corps, to adopt an “enterprise approach” to the service’s electromagnetic spectrum operations. That includes the procurement of electronic systems, subsystems, devices, in addition to other gear that purpose spectrum.
Scarce spectrum is forcing the military machine services to railroad train common, electronic warfare systems based on modular designs that tin live on customized for air, state or body of body of water operations. But the Air Force, Army, in addition to Navy accept frequently sparred over private requirements that accept stymied efforts to railroad train articulation EW suites.
“There’s no such things every bit a argent bullet,” a Marine programme manager noted during an before elbow grease on this front.
DoD released its Electromagnetic Spectrum Strategy inwards Feb 2014 that stressed enhanced spectrum sharing every bit prime number Pentagon airwaves were auctioned for emerging wireless applications. The strategy stressed agile military machine spectrum operations, starting alongside the acquisition process.
Indeed, procurement was a cardinal focus of the Navy’s novel spectrum warfare directive.
On the technical side, the Defense Advanced Research Projects Agency (DARPA) is sponsoring a Spectrum Collaboration Challenge designed to purpose machine word to assist overcome spectrum scarcity.
“As the number of military machine in addition to civilian wireless devices continues to grow exponentially, the postulate for amount access to the increasingly crowded electromagnetic spectrum has never been greater,” DARPA noted inwards announcing the side past times side stage of the contest inwards early on November.
“To overcome the issues of spectrum scarcity, the [spectrum challenge] aims to redefine conventional, stiff spectrum administration paradigms inwards favor of to a greater extent than efficient in addition to fluid machine-driven approaches,” programme officials added.
Given advances inwards machine intelligence, “there is enough of spectrum, but it’s misallocated,” noted William Chappell, manager of DARPA’s Microsystems Technology Office.
In i scenario, Chappell said teams must demonstrate how xv software-defined radios tin portion the same frequency bands in addition to “figure out how they are going to cooperate.”
The well-known modulation approach 16-QAM (quadrature aAmplitude modulation) was used to amend spectrum efficiency. Chappell highlighted the fact that 2 “naïve systems” learned to verbalize 16-QAM.
“They learned how to communicate using 16-QAM without existence programmed, [doing so] inwards less than a minute,” Chappell said. “This way that systems that weren't coordinated accept the mightiness to acquire how to interact.
“The fact that they learned a peculiarly efficient method such every bit grayness coded 16-QAM shows the efficiency inwards how they learn,” Chappell added.
— George Leopold is the one-time executive editor of EE Times in addition to the writer of Calculated Risk: The Supersonic Life in addition to Times of Gus Grissom (Purdue University Press, Updated, 2018).
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