A Novel Companding-Based Hermitian Symmetry Free ACO-UFMC Scheme for IM/DD in Low-Power IoT-Centric Future Wireless Communications. - Vijaya Durga Chintala; Rani Deepika Balavendran Joseph; Subba Rao Suddapalli; Vinay K. Tiwari; Anuradha Sundru (IEEE Access, 2026)