Interference mitigation in 5G networks

第五代(5G)无线网络旨在实现连接、容量和速度的数量级增长。这样的目标可以通过利用更大的频率带宽或部署更密集的基站来部分实现。然而，随着无线设备数量的快速增加，多个设备在相同的时间和频谱上通信是不可避免的。因此，减轻并发传输中的干扰是5G网络面临的关键挑战。在这个项目中，我们建立在PI，博士Lele Wang和她的合作者在低复杂性编码方案上的两项最新突破的基础上，这些方案实现了理论上最大似然解码的最佳性能。我们将研究这些方案在各种5G用户案例中的可行性，例如增强型移动宽带和要求高可靠性和低延迟的任务关键机类型通信。该项目的预期结果是新的干扰缓解方案，大大改进了4G网络中的现有方案。这些算法将作为物理层干扰管理方案被纳入罗杰斯通信公司将在不列颠哥伦比亚大学校园建造的现实世界5G集线器中。该项目将有利于确保加拿大在通信技术方面保持领先地位。它还将为相关学生和博士后研究人员创造宝贵的培训机会，以获得无线通信技术方面的研究技能和专业知识。

The fifth generation (5G) wireless networks aim to enable order-of-magnitude increases in connectivity, capacity, and speed. Such a goal can be achieved in part by utilizing larger frequency bandwidth or deploying denser base stations. However, as the number of wireless devices is increasing rapidly, it is inevitable that multiple devices communicate over the same time and spectrum. Consequently, mitigating the interference in concurrent transmissions is a pivotal challenge for the 5G networks. In this project, we build on two recent breakthroughs by the PI, Dr. Lele Wang, and her collaborators on low-complexity coding schemes that achieve the theoretically optimal performance of maximum likelihood decoding. We will investigate the feasibility of these schemes in various 5G user cases such as enhanced mobile broadband and mission-critical machine type communication that requires high reliability and low latency. The expected outcomes from the project are novel interference mitigation schemes that significantly improve upon the existing schemes in 4G networks. These algorithms will be incorporated as the physical layer interference management scheme in the real-world 5G hub Rogers Communication Inc. will build on the University of British Columbia campus. This project will be beneficial to ensure Canada remains as leaders in communication technology. It will also create invaluable training opportunities for involved students and postdoctoral researchers to gain research skills and expertise in wireless communication technology.