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An intelligent reflecting surface (IRS)-aided wireless powered mobile edge computing (WP-MEC) system is conceived, where each device's computational task can be divided into two parts for local computing and offloading to mobile edge…

Information Theory · Computer Science 2021-08-24 Guangji Chen , Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng , Lajos Hanzo

This paper considers a downlink non-orthogonal multiple access (NOMA) system where the source intends to transmit independent information to the users at targeted data rates under statistical channel state information at the transmitter.…

Information Theory · Computer Science 2015-07-17 Sulong Shi , Longxiang Yang , Hongbo Zhu

Non-orthogonal multiple access (NOMA) has been widely recognized as a promising way to scale up the number of users, enhance the spectral efficiency, and improve the user fairness in wireless networks, by allowing more than one user to…

Information Theory · Computer Science 2019-08-06 Mojtaba Vaezi , Gayan Amarasuriya , Yuanwei Liu , Ahmed Arafa , Fang Fang , Zhiguo Ding

This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink framework, where users are equipped with MAs. Initially,…

Information Theory · Computer Science 2024-08-09 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

This paper investigates the optimal resource allocation of a downlink non-orthogonal multiple access (NOMA) system consisting of one base station and multiple users. Unlike existing short-term NOMA designs that focused on the resource…

Information Theory · Computer Science 2017-05-25 Wei Bao , He Chen , Yonghui Li , Branka Vucetic

In this work, we address the problem of finding globally optimal power allocation strategies to maximize the users sum-rate (SR) as well as system energy efficiency (EE) in the downlink of single-cell multicarrier non-orthogonal multiple…

Information Theory · Computer Science 2022-01-19 Sepehr Rezvani , Eduard A. Jorswieck , Roghayeh Joda , Halim Yanikomeroglu

Mobile edge computing (MEC) enables resource-limited IoT devices to complete computation-intensive or delay-sensitive task by offloading the task to adjacent edge server deployed at the base station (BS), thus becoming an important…

Information Theory · Computer Science 2023-05-09 Xiang Li , Rongfei Fan , Han Hu , Xiangming Li

Non-orthogonal multiple access (NOMA) is an essential enabling technology for the fifth generation (5G) wireless networks to meet the heterogeneous demands on low latency, high reliability, massive connectivity, improved fairness, and high…

Information Theory · Computer Science 2017-06-19 Zhiguo Ding , Xianfu Lei , George K. Karagiannidis , Robert Schober , Jihong Yuan , Vijay Bhargava

Mobile-edge computation offloading (MECO) has been recognized as a promising solution to alleviate the burden of resource-limited Internet of Thing (IoT) devices by offloading computation tasks to the edge of cellular networks (also known…

Information Theory · Computer Science 2018-09-05 Xiangyu He , Hong Xing , Yue Chen , Arumugam Nallanathan

This paper investigates ground-aerial uplink non-orthogonal multiple access (NOMA) cellular networks. A rotary-wing unmanned aerial vehicle (UAV) user and multiple ground users (GUEs) are served by ground base stations (GBSs) by utilizing…

Information Theory · Computer Science 2020-05-26 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin

In this letter, we propose a non-orthogonal multiple access (NOMA) based scheme for multi-cell indoor visible light communications (VLC), where cell-edge user is jointly served by multiple cells. Unlike the typical designs in the existing…

Information Theory · Computer Science 2021-06-14 T. Uday , Abhinav Kumar , L. Natarajan

This work introduces downlink non-orthogonal multiple access (NOMA) into short-packet communications. NOMA has great potential to improve fairness and spectral efficiency with respect to orthogonal multiple access (OMA) for low-latency…

Information Theory · Computer Science 2018-06-12 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

Scavenging the idling computation resources at the enormous number of mobile devices can provide a powerful platform for local mobile cloud computing. The vision can be realized by peer-to-peer cooperative computing between edge devices,…

Information Theory · Computer Science 2017-09-05 Changsheng You , Kaibin Huang

Unmanned aerial vehicle (UAV)-assisted multi-access edge computing (MEC) has become one promising solution for energy-constrained devices to meet the computation demand and the stringent delay requirement. In this work, we investigate a…

Networking and Internet Architecture · Computer Science 2020-11-25 Nway Nway Ei , Madyan Alsenwi , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

Non-orthogonal multiple access (NOMA) is potentially capable of circumventing the limitations of the classic orthogonal multiple access schemes, hence it has recently received significant research attention both in industry and academia.…

Information Theory · Computer Science 2018-01-26 Yuanwei Liu , Hong Xing , Cunhua Pan , Arumugam Nallanathan , Maged Elkashlan , Lajos Hanzo

A non-orthogonal multiple access (NOMA)-inspired integrated sensing and communication (ISAC) framework is proposed, where a dual-functional base station (BS) transmits the composite communication and sensing signals. In contrast to treating…

Information Theory · Computer Science 2022-08-02 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Zhiguo Ding

We propose a novel nonorthogonal multiple access (NOMA) scheme referred as adaptive constellation multiple access (ACMA) which addresses key limitations of existing NOMA schemes for beyond 5G wireless systems. Unlike the latter, that are…

Information Theory · Computer Science 2024-03-01 Indu L. Shakya , Falah H. Ali

Non-orthogonal multiple access (NOMA) is an interesting concept to provide higher capacity for future wireless communications. In this article, we consider the feasibility and benefits of combining full-duplex operation with NOMA for modern…

Signal Processing · Electrical Eng. & Systems 2017-11-03 Mohammadali Mohammadi , Xiaoyan Shi , Batu K. Chalise , Himal A. Suraweera , Caijun Zhong , John S. Thompson

Cache-assisted ultra-dense mobile edge computing (MEC) networks are a promising solution for meeting the increasing demands of numerous Internet-of-Things mobile devices (IMDs). To address the complex interferences caused by small base…

Information Theory · Computer Science 2024-10-22 Tianqing Zhou , Bobo Wang , Dong Qin , Xuefang Nie , Nan Jiang , Chunguo Li

Non-orthogonal multiple access (NOMA) has been proposed for massive connectivity in future generations of wireless communications. A dominant NOMA scheme is based on power optimization, in which decoding of target user is assumed to be…

Information Theory · Computer Science 2018-10-23 Kun Wang