A joint workshop of WelComLab in Beihang University and Prof. Niu Zhisheng’s Lab in Tsinghua University was held at F804, New Main Building, Beihang University, on May 28th, 2014. The topic of this workshop is green radio, which including the following five reports:

1. Traffic-aware Dynamic RF Chain Sleeping Scheme for Multiuser MIMO Systems (By Xu Zhang from Tsinghua University)

2. Achievable Rates of FDD Massive MIMO Systems with Rank-Deficient Channel Correlation Matrix (By Zhiyuan Jiang from Tsinghua University)

3. Base station sleeping control and power matching for energy-delay tradeoffs in green cellular networks (By Jian Wu from Tsinghua University)

4. Is Massive MIMO Energy Efficient? (By Wenjia Liu from Beihang University)

5. Is Accumulative Information Useful For Designing Energy Efficient Transmission? (By Chuting Yao from Beihang University)