In this work we consider the problem of quantifying the detection latency of weak signals- A signal whose energy is much lower than the noise floor. We define detection latency as the total number of samples needed to correctly detect the weak signal. We characterize the latency by considering a single-input, single-output (SISO) wireless communications scenario where the receiver is tasked with detecting the transition from a channel probing waveform to a 500 kHz signaling tone. We consider constant modulus linear frequency modulated (LFM) chirp and the GPS L2C (M) pseudorandom noise waveforms for channel probing. We also introduce the notion of hypothesis tracking built on the sequential detection framework to reduce detection latency at the receiver. We compare the performance between two hypothesis tracking methods.

Original languageEnglish (US)
Title of host publication2018 IEEE Military Communications Conference, MILCOM 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages6
ISBN (Electronic)9781538671856
StatePublished - Jan 2 2019
Event2018 IEEE Military Communications Conference, MILCOM 2018 - Los Angeles, United States
Duration: Oct 29 2018Oct 31 2018

Publication series

NameProceedings - IEEE Military Communications Conference MILCOM


Conference2018 IEEE Military Communications Conference, MILCOM 2018
Country/TerritoryUnited States
CityLos Angeles

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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