Derives closed-form CRLB for single-target OFDM-ISAC sparse allocation and proves zero-padded periodogram is asymptotically optimal ML, while using autocorrelation to create virtual resources with larger bandwidth for multi-target cases.
Achieving Full-Bandwidth Sensing Performance With Partial Bandwidth Alloca- tion for ISAC
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CRLB and Parameter Estimation for OFDM-ISAC with Non-Uniform Sparse Resource Allocation
Derives closed-form CRLB for single-target OFDM-ISAC sparse allocation and proves zero-padded periodogram is asymptotically optimal ML, while using autocorrelation to create virtual resources with larger bandwidth for multi-target cases.