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Link analyses and LPD/AJ strategies for IEEE 802.16aWong, Yi Jim 12 1900 (has links)
Approved for public release; distribution is unlimited. / In military operations, covertness of operation is of paramount importance. The transmission power
of the data link must be kept to the minimum to maintain a low probability of detection (LPD) from the
adversary. However, a reduction in the transmitted power implies a reduction in the operating range,
though the detection range by the enemy is also reduced. Therefore, to reduce the enemy’s detection
range while maintaining operating distance, this thesis explores strategies to discriminate gain against an
adversary’s sensor. The strategies involve using processing gain, directional antennas, polarization and
the natural environment as a transmission shield.
The processing gain strategy analyzed in this thesis uses a diversity technique called Maximal
Ratio Combining (MRC) applied to an IEEE 802.16a link. Sinclair D. Smith carried out a study on the
possible processing gain derivable from this technique and this thesis will bring his results to practical
applications via link analyses.
In the event that the link is detected and the enemy decides to carry out jamming, the thesis explores a
possible anti-jamming (AJ) strategy by using MRC and a directional antenna. Daniel P. Zastrow carried out
a study on the AJ capability of MRC and this thesis brings his results to practical applications via link
analyses. / Major, Republic of Singapore Airforce
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Hardware-Aided Approaches for Unconditional Confidentiality and AuthenticationBendary, Ahmed January 2021 (has links)
No description available.
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