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In the scenario of sparse signal recovery, does the Orthogonal Matching Pursuit (OMP) algorithm detects well the active users when applied for complex measurement vector, complex dictionary,...
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I am using zadoff-chu sequences for channel estimation, i found that the most used sequences are with root values: 25, 29, 34 and the length of the sequence is 63. Since i have 60 users to...
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What can be an example of a pilot sequence for channel estimation in the case of OFDM or NOMA? Could it be any sequences, e.g., a sequence of 1's, or should it have some rules to follow? If so,...
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