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Application-Based Coexistence of Different Waveforms on Non-Orthogonal Multiple Access
IEEE Open Journal of the Communications Society Pub Date : 2020-12-15 , DOI: 10.1109/ojcoms.2020.3044680
Mehmet Mert Sahin , Huseyin Arslan

In the study, the coexistence of different waveform structures on the same resource element is studied under the theory of non-orthogonal multiple access (NOMA). This study introduces a paradigm-shift on NOMA towards the application-centric waveform coexistence. Throughout this article, the coexistence of different waveforms is explained with two specific use cases, which are power-balanced NOMA and joint radar-sensing and communication with NOMA. For the first use case, block error rate (BLER) performance in the power-balanced regime for two user is improved compared to conventional NOMA transmission with the same waveform. For the joint radar-sensing and communication aspect, the superiority of proposed NOMA scheme over orthogonal frequency division multiplexing (OFDM) joint radar-communication (JRC) scheme is demonstrated regarding radar ambiguity, channel estimation mean-square error (MSE) and bit-error rate (BER) performances. In addition, some of the previous works in the literature are reviewed regarding waveform coexistence in a non-orthogonal manner. However, the concept is not limited to these use cases. With the rapid development of wireless technology, next-generation wireless systems are proposed to be flexible and hybrid, having different kinds of capabilities such as sensing, security, intelligence, control, and computing. Therefore, the concept of different waveforms’ coexistence to meet these concerns are becoming impressive for researchers.

中文翻译:

基于应用的非正交多路访问中不同波形的共存

在研究中,根据非正交多路访问(NOMA)理论研究了同一资源元素上不同波形结构的共存。这项研究介绍了NOMA向以应用程序为中心的波形共存的模式转变。在整个本文中,将通过两个特定的用例来说明不同波形的共存,这两个特定用例是功率平衡的NOMA以及联合雷达传感和与NOMA的通信。对于第一种使用情况,与具有相同波形的常规NOMA传输相比,两个用户在功率平衡状态下的误块率(BLER)性能得到了改善。对于联合的雷达传感和通信方面,在雷达模糊性,信道估计均方误差(MSE)和误码率(BER)性能方面,证明了所提出的NOMA方案优于正交频分复用(OFDM)联合雷达通信(JRC)方案的优越性。另外,以非正交的方式回顾了有关波形共存的一些文献。但是,概念不限于这些用例。随着无线技术的飞速发展,提出了下一代无线系统是灵活和混合的,具有诸如传感,安全,智能,控制和计算之类的各种功能。因此,满足这些需求的不同波形共存的概念对于研究人员而言变得令人印象深刻。信道估计均方误差(MSE)和误码率(BER)性能。另外,以非正交的方式回顾了有关波形共存的一些文献。但是,概念不限于这些用例。随着无线技术的飞速发展,提出了下一代无线系统是灵活和混合的,具有诸如传感,安全,智能,控制和计算之类的各种功能。因此,满足这些需求的不同波形共存的概念对于研究人员而言变得令人印象深刻。信道估计均方误差(MSE)和误码率(BER)性能。另外,以非正交的方式回顾了有关波形共存的一些文献。但是,概念不限于这些用例。随着无线技术的飞速发展,提出了下一代无线系统是灵活的和混合的,具有诸如传感,安全性,智能,控制和计算之类的不同功能。因此,满足这些需求的不同波形共存的概念对于研究人员而言变得令人印象深刻。随着无线技术的飞速发展,提出了下一代无线系统是灵活和混合的,具有诸如传感,安全,智能,控制和计算之类的各种功能。因此,满足这些需求的不同波形共存的概念对于研究人员而言变得令人印象深刻。随着无线技术的飞速发展,提出了下一代无线系统是灵活和混合的,具有诸如传感,安全,智能,控制和计算之类的各种功能。因此,满足这些需求的不同波形共存的概念对于研究人员而言变得令人印象深刻。
更新日期:2021-01-12
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