RF orbital angular momentum (OAM) communications

Research description

The rapid growth of mobile Internet results in an intense contradiction between the demand of large-capacity for wireless communication systems and the limited electromagnetic spectrum resource. In addition, the high resolution satellite communication based on the advanced high resolution technologies, such as microwave SAR, multispectral/hyperspectral remote satellites requires numerous data transmission and processing. In fact, the electromagnetic spectrum is scarce, and almost all of the regular electromagnetic parameters (frequency, phase, amplitude, etc), have been well studied to increase the information capacity.

Within this research line, we consider orbital angular momentum (OAM) as a new dimension , to meet the demand of ever increasing wireless communication capacity. We will look insight the schemes of the modulation, multiplexing and demultiplexing of radio frequency OAM waves, and develop new technologies in terms of fundamental theory and devices for enabling high spectral efficiency and hence significantly increase wireless communication capacity. This research line can find potential applications in both civil and defense societies.

Contacts: Prof. Xianmin ZHANGAssociate Prof. Shilie ZHENG