The Extended COTS LPI Communication System Phase 3: Performance Analysis

Allen, J C; Reuter, M.; Dillard, George M.; Johnson, Greg; Zeidler, J.R.

doi:10.21236/ada383965

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2003

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“…Additional simiilations verify that the power in Path 2 is equivalent to adding noise at that power. In contrast to the multipath that actually improved the performance of an LPI receiver [3], the 2-symbol delay in Path 2 degrades the CPM receiver. Consequently, exploitation of multipath may require the channel and signal estimation to use these CPM receivers [2].…”

Section: T-2jmentioning

confidence: 99%

Multi-h CPM Synchronization in Military Channels Phase 2: A Simulation Framework

Allen¹,

Wahlen²

2003

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Contimious phase modulation (CPM) is a well-established signahng technology that attains spectral efficiency by smoothing the phase signal. The spectral efficiency of CPM makes it a natural candidate for communications where bandwidth is limited, such as the non-SATCOM channels in the littoral environments. However, CPM receivers require synchronization with respect to data, timing, phase, and frequency. Research on various CPM synchronizers has been undertaken at Space and Naval Warfare Systems Command (SPAWAR). This report sets out a simulation framework that allows these synchronizers to be swapped in and out of a CPM receiver model to assess performance in a credible end-to-end RF simulation.

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Section: T-2jmentioning

confidence: 99%