Owing to the growing proliferation of machine type communication devices and other high-end devices in conventional human-to-human (H2H) communication, it is inevitable that these types of communications will co-exist with each other in the next generation of cellular communications. This study investigates an uplink cellular network with machine-to-machine (M2M) and H2H co-existence, where a machine type communication gateway is deployed as a relay in the cellular network to forward the M2M messages to the base station (BS). Non-orthogonal multiple access (NOMA) has been adopted to transmit the data of H2H and M2M communications to the BS simultaneously. Considering the different delay-sensitive transmissions of M2M/H2H communications, the expressions for outage probability and effective capacity (EC) are theoretically derived with the constraints of quality-of-service requirements. Simulation results show that the NOMA scheme outperforms the orthogonal multiple access in terms of outage probability and EC.

中文翻译：

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M2M / H2H共存的基于上行NOMA的蜂窝网络的性能分析

由于机器类型通信设备和其他高端设备在常规的人对人（H2H）通信中的日益增长，不可避免地，这些类型的通信将在下一代蜂窝通信中彼此共存。 。这项研究研究了具有机器对机器（M2M）和H2H并存的上行链路蜂窝网络，其中在蜂窝网络中将机器类型的通信网关部署为中继，以将M2M消息转发到基站（BS）。已经采用非正交多址（NOMA）来将H2H和M2M通信的数据同时发送到BS。考虑到M2M / H2H通信的不同时延敏感传输，理论上，在服务质量要求的约束下，得出了中断概率和有效容量（EC）的表达式。仿真结果表明，在中断概率和EC方面，NOMA方案优于正交多址访问。