Figure 4

Comparision of PAR reduction performance and error performance when applying LRA-THP as precoding scheme (original signal) and of the resulting signals when applying SLB ( V = 4). Left column: ccdf of PAR; the respective theoretic ccdf curves (cf. (5) and (10)) when assuming Gaussian signaling and statistically independent signal candidates are depicted in gray. Right column: bit error ratio over signal-to-noise ratio when applying LRA-THP and when applying SLB; top row: SLB with arbitrary additional unimodular matrices; middle row: SLB with additional permutation matrices; bottom row: SLB with additional permutation/phase matrices; insert: zoom into the BER curves; M = 4, D = 512, N_C = K = 4, l_H = 5.