研究者所属(当時) | 資格 | 氏名 | |
---|---|---|---|
(代表者) | 理工学術院 基幹理工学部 | 教授 | 前原 文明 |
- 研究成果概要
Non-orthogonal multiple access (NOMA) can be seen as a promising approach to meet a dramatic increase in demand for the system capacity. So far, we have proposed a hybrid multiple access scheme considering the desired user traffic volume as well as channel conditions. In the proposed approach, by using NOMA and orthogonal multiple access (OMA) in the same bandwidth, a resource pattern combined with different user requirements is introduced to effectively meet the demands of diversified wireless services in 5G and beyond. In this work, considering that recent base stations (BSs) are equipped with multiple antennas, maximum ratio transmission (MRT) is applied to the proposed approach. Thus, the spatial diversity gain is reflected on calculating the actual throughput used for choosing the best resource pattern. The effectiveness of the proposed scheme is demonstrated through computer simulations by considering the antenna configuration under diversified user traffic for enhanced mobile broadband (eMBB) and ultra-reliable and low-latency communications (URLLC).