Yifei Yuan is Chief Expert of China Mobile Research Institute. Dr. Yuan graduated from Tsinghua University and Carnegie Mellon University. He specializes in the research and standardization of key air-interface technologies for 3G, 4G, 5G and 6G mobile networks. He has more than 20 years of experience at Bell Labs, ZTE and China Mobile.Zhifeng Yuan is Senior Expert in the Algorithm Department of ZTE Corporation. With more than 15 years of experience at ZTE Corporation, he focuses on transmitter designs and advanced receiver algorithms of non-orthogonal multiple access (NOMA), channel coding, modulations and waveform for mobile communications.

• 1. Introduction  2. Basics of downlink multiple access  3. Non-orthogonal transmission for downlink broadcast/multicast  4. Standardization of downlink superposition transmission  5. General discussion of uplink non-orthogonal multiple access  6. Uplink transmitter side solution and receiver algorithms  7. Performance evaluation of uplink NOMA of contention-free based grant-free  8. System design and performance evaluation of contention-based grant-free transmissions

Yifei Yuan is Chief Expert of China Mobile Research Institute. Dr. Yuan graduated from Tsinghua University and Carnegie Mellon University. He specializes in the research and standardization of key air-interface technologies for 3G, 4G, 5G and 6G mobile networks. He has more than 20 years of experience at Bell Labs, ZTE and China Mobile.Zhifeng Yuan is Senior Expert in the Algorithm Department of ZTE Corporation. With more than 15 years of experience at ZTE Corporation, he focuses on transmitter designs and advanced receiver algorithms of non-orthogonal multiple access (NOMA), channel coding, modulations and waveform for mobile communications.

• 1. Introduction  2. Basics of downlink multiple access  3. Non-orthogonal transmission for downlink broadcast/multicast  4. Standardization of downlink superposition transmission  5. General discussion of uplink non-orthogonal multiple access  6. Uplink transmitter side solution and receiver algorithms  7. Performance evaluation of uplink NOMA of contention-free based grant-free  8. System design and performance evaluation of contention-based grant-free transmissions

Yifei Yuan is Chief Expert of China Mobile Research Institute. Dr. Yuan graduated from Tsinghua University and Carnegie Mellon University. He specializes in the research and standardization of key air-interface technologies for 3G, 4G, 5G and 6G mobile networks. He has more than 20 years of experience at Bell Labs, ZTE and China Mobile.Zhifeng Yuan is Senior Expert in the Algorithm Department of ZTE Corporation. With more than 15 years of experience at ZTE Corporation, he focuses on transmitter designs and advanced receiver algorithms of non-orthogonal multiple access (NOMA), channel coding, modulations and waveform for mobile communications.

• 1. Introduction  2. Basics of downlink multiple access  3. Non-orthogonal transmission for downlink broadcast/multicast  4. Standardization of downlink superposition transmission  5. General discussion of uplink non-orthogonal multiple access  6. Uplink transmitter side solution and receiver algorithms  7. Performance evaluation of uplink NOMA of contention-free based grant-free  8. System design and performance evaluation of contention-based grant-free transmissions