Compound Interleaving Scheduling for SLM Transactions in Mode S Surveillance Radar

Bria, Oscar N.; Giacomantone, Javier; Wanza, Horacio Villagarcía

doi:10.1007/978-3-030-20787-8_21

Cited by 1 publication

(1 citation statement)

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“…The lockout condition is that when an aircraft replies to an all-call message, the ground station locks up that aircraft in order to interrogate with roll-call messages, and this lockout duration takes approximately 18 seconds [29], [31]. During this lockout duration, we do not interrogate the detected aircraft once again with all-call uplink requests; therefore, we deduce that we found an aircraft in the dense air traffic region, and we shall not interrogate it with all-call messages.…”

Section: Limited Lockoutmentioning

confidence: 99%

Mode-S Radar Interrogation Algorithm Design for Dense Air Traffic Environment

Oncu¹,

Aydin²,

Erdogan³

et al. 2022

RADIOENGINEERING

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The increasing trend in air traffic density will continue in the near future with the addition of different aerial vehicles. Before the Mode-S protocol, Mode A and Mode C were in use; however, the Mode A/C configuration was only usable in sparsely dense air traffic. One of the useful features of Mode-S is the ability of probabilistic interrogation. However, there has not yet been a sophisticated algorithm for many close aircraft. Considering a futuristic air environment with a swarm of drones and airbuses equipped with transponders, we utilized the probabilistic interrogation feature of Mode-S and designed an algorithm. The proposed algorithm is able to collect close aircraft information in a relatively short time. There has also been created a high-level Mode-S uplink and downlink communication simulator in order to exchange allcall communication and record the algorithm's performance in terms of time and number of interrogations sent.

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Section: Limited Lockoutmentioning

confidence: 99%