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On the Design of Constant Modulus Sequences with Low Correlation Sidelobes Levels

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4 Author(s)
Wang, Y.-C. ; State Key Lab. on ISN, Xidian Univ., Xi''an, China ; Dong, L. ; Xue, X. ; Yi, K.-C.

In many wireless communications/radar applications, constant modulus sequences with low correlation sidelobes levels are desired. In this letter, we present an efficient optimization method to design them. Firstly, we formulate a fourth-order polynomial, but unconstrained, minimization problem. And then, a customized LBFGS (Limited-Memory Broyden Fletcher Goldfarb and Shanno) iterative algorithm is proposed to solve it approximately. Numerical examples show that the proposed approach compares favorably with the state-of-the-art approach.

Published in:

Communications Letters, IEEE  (Volume:16 ,  Issue: 4 )