Pplications of optimization methods in communication systems 并列题名：Signal optimization design for OFDM communication systems Signal optimization design for OFDM communication systems Polarization optics in optical fiber communication systems Application of modern heuristic optimization methods in power and energy systems / application of modern heuristic optimization methods in power and energy systems / Integration and optimization methods for intelligent manufacturing systems Signal optimization design for OFDM communication systems. Modeling and simulation of communication systems Robust optimization methods and applications