5G and 6G is the hot words in the field of communication engineering. Communication technology and communication industry is one of the fastest growing fields since 1980s, and also one of the important signs of human entering into the information society. But the development of communication engineering is also facing challenges. Active international exchanges can promote the development of science and technology. As technology continues to evolve at an unprecedented pace, communication plays a pivotal role in shaping the way we interact, share information, and conduct business. The 9th edition of this esteemed conference promises to be a platform for participants to exchange ideas, present groundbreaking research findings, and engage in thought-provoking discussions that contribute to the further development of the communication landscape.