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A non-orthogonal multiple access (NOMA)-aided joint communication, sensing, and multi-tier computing (JCSMC) framework is proposed. In this framework, a multi-functional base station (BS) carries out target sensing, while providing edge…

信息论 · 计算机科学 2022-12-29 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Xiaodong Xu , Ping Zhang

Random access schemes in modern wireless communications are generally based on the framed-ALOHA (f-ALOHA), which can be optimized by flexibly organizing devices' transmission and re-transmission. However, this optimization is generally…

网络与互联网体系结构 · 计算机科学 2020-02-19 Nan Jiang , Yansha Deng , Arumugam Nallanathan

Orthogonal time frequency space (OTFS) is being pursued in recent times as a suitable wireless transmission technology for use in high mobility scenarios. In this work, we propose nonorthogonal multiple acess (NOMA) based OTFS which may be…

信息论 · 计算机科学 2021-04-07 Aritra Chatterjee , Vivek Rangamgari , Shashank Tiwari , Suvra Sekhar Das

Future mobile communication networks will require enhanced network efficiency and reduced system overhead. Research on Blind Interference Alignment and Topological Interference Management (TIM) has shown that optimal Degrees of Freedom can…

信息论 · 计算机科学 2015-08-18 V. Kalokidou , O. Johnson , R. Piechocki

Non-orthogonal multiple access (NOMA) is an efficient approach that can improve spectrum utilization and support massive connectivity for next-generation wireless networks. However, over a wireless channel, the superimposed NOMA signals are…

信息论 · 计算机科学 2020-10-26 Lu Lv , Hai Jiang , Zhiguo Ding , Qiang Ye , Naofal Al-Dhahir , Jian Chen

This paper proposes a scheme for the envisioned sixth-generation (6G) ultra-massive Machine Type Communications(umMTC). In particular, wireless power transfer (WPT) assisted communication is deployed in non-orthogonal multiple access (NOMA)…

信号处理 · 电气工程与系统科学 2023-03-14 Shiyu Jiao , Fang Fang , Zhiguo Ding

This paper investigates the movable antenna (MA)- assisted downlink non-orthogonal multiple access (NOMA) network to maximize system throughput. In the considered scenario, both the base station (BS) and users are equipped with MA, and a…

信号处理 · 电气工程与系统科学 2025-07-28 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Zhendong Li , Kunlun Wang , Qiong Wu

In this paper, we propose a cache-aided non-orthogonal multiple access (NOMA) scheme for spectrally efficient downlink transmission. The proposed scheme not only reaps the benefits associated with NOMA and caching, but also exploits the…

信息论 · 计算机科学 2019-06-26 Lin Xiang , Derrick Wing Kwan Ng , Xiaohu Ge , Zhiguo Ding , Vincent W. S. Wong , Robert Schober

Orthogonal Time Frequency Space (OTFS) is a $\text{2-D}$ modulation technique that has the potential to overcome the challenges faced by orthogonal frequency division multiplexing (OFDM) in high Doppler environments. The performance of OTFS…

信息论 · 计算机科学 2020-05-11 Kuntal Deka , Anna Thomas , Sanjeev Sharma

Due to massive connectivity and increasing demands of various services and data-hungry applications, a full-scale implementation of the fifth generation (5G) wireless systems requires more effective radio access techniques. In this regard,…

信息论 · 计算机科学 2019-07-24 S. M. Riazul Islam , Ming Zeng , Octavia A. Dobre , Kyung-Sup Kwak

To achieve high data rates and better connectivity in future communication networks, the deployment of different types of access points (APs) is underway. In order to limit human intervention and reduce costs, the APs are expected to be…

信号处理 · 电气工程与系统科学 2021-01-19 Marie Josepha Youssef , Venugopal V. Veeravalli , Joumana Farah , Charbel Abdel Nour , Catherine Douillard

The aim of this paper is to characterize the impact of non-orthogonal multiple access (NOMA) on the age of information (AoI) of grant-free transmission. In particular, a low-complexity form of NOMA, termed NOMA-assisted random access, is…

信息论 · 计算机科学 2023-05-04 Z. Ding , R. Schober , H. V. Poor

For downlink multiple-user (MU) transmission based on non-orthogonal multiple access (NOMA), the advanced receiver strategy is required to cancel the inter-user interference, e.g., successive interference cancellation (SIC). The SIC process…

信息论 · 计算机科学 2020-01-28 Minseok Choi , Daejung Yoon , Joongheon Kim

Splitting the inference model between device, edge server, and cloud can improve the performance of EI greatly. Additionally, the non-orthogonal multiple access (NOMA), which is the key supporting technologies of B5G/6G, can achieve massive…

分布式、并行与集群计算 · 计算机科学 2023-12-27 Xin Yuan , Ning Li , Tuo Zhang , Muqing Li , Yuwen Chen , Jose Fernan Martinez Ortega , Song Guo

Pinching-antenna systems (PASS) have emerged as a promising technology due to their ability to dynamically reconfigure wireless propagation environments. A novel PASS-based multi-user non-orthogonal multiple access (NOMA) framework is…

信号处理 · 电气工程与系统科学 2025-12-04 Songtao Xue , Jingjing Zhao , Kaiquan Cai , Xidong Mu , Zhenyu Xiao , Yuanwei Liu

6G wireless networks will require the flexibility to accommodate an extremely diverse set of service types. This necessitates the use of mixed numerologies to accommodate different quality of service (QoS) requirements. Non-orthogonal…

信号处理 · 电气工程与系统科学 2021-02-02 Stephen McWade , Mark F. Flanagan , Juquan Mao , Lei Zhang , Arman Farhang

Non-orthogonal multiple access (NOMA) allows multiple users to simultaneously access the same time-frequency resource by using superposition coding and successive interference cancellation (SIC). Thus far, most papers on NOMA have focused…

信息论 · 计算机科学 2017-12-12 Lei You , Lei Lei , Di Yuan , Sumei Sun , Symeon Chatzinotas , Björn Ottersten

Massive MIMO and non-orthogonal multiple access (NOMA) are crucial methods for future wireless systems as they provide many advantages over conventional systems. Power-domain NOMA methods are investigated in massive MIMO systems, whereas…

信息论 · 计算机科学 2020-10-13 Murat Bayraktar , Gokhan Muzaffer Guvensen

This paper proposes a new communication protocol for a cooperative non-orthogonal multiple access (NOMA) system. In this system, based on users' channel conditions, each two NOMA users are paired to reduce system complexity. In this…

信号处理 · 电气工程与系统科学 2018-03-29 Duc-Dung Tran , Ha-Vu Tran , Dac-Binh Ha , Georges Kaddoum

In this paper, a multi-vehicle multi-task nonorthogonal multiple access (NOMA) assisted mobile edge computing (MEC) system with passive eavesdropping vehicles is investigated. To heighten the performance of edge vehicles, we propose a…

信息论 · 计算机科学 2021-08-03 Ling He , Miaowen Wen , Yingyang Chen , Bingli Jiao