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Energy-efficient computation is an inevitable trend for mobile edge computing (MEC) networks. Resource allocation strategies for maximizing the computation efficiency are critically important. In this paper, computation efficiency…

信号处理 · 电气工程与系统科学 2020-02-12 Fuhui Zhou , Rose Qingyang Hu

Mobile edge computing (MEC) is considered as an efficient method to relieve the computation burden of mobile devices. In order to reduce the energy consumption and time delay of mobile devices (MDs) in MEC, multiple users multiple input and…

信号处理 · 电气工程与系统科学 2020-01-07 Changfeng Ding , Jun-Bo Wang , Ming Cheng , Chuanwen Chang , Jin-Yuan Wang , Min Lin

This paper studies a multiuser mobile edge computing (MEC) system, in which one base station (BS) serves multiple users with intensive computation tasks. We exploit the multi-antenna non-orthogonal multiple access (NOMA) technique for…

信息论 · 计算机科学 2018-09-11 Feng Wang , Jie Xu , Zhiguo Ding

Multi-access edge computing (MEC) and non-orthogonal multiple access (NOMA) have been regarded as promising technologies to improve computation capability and offloading efficiency of the mobile devices in the sixth generation (6G) mobile…

信息论 · 计算机科学 2021-05-26 Haodong Li , Fang Fang , Zhiguo Ding

In this paper, we study the power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which takes into…

信息论 · 计算机科学 2016-07-06 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan

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…

信息论 · 计算机科学 2022-01-19 Sepehr Rezvani , Eduard A. Jorswieck , Roghayeh Joda , Halim Yanikomeroglu

This paper studies the offloading service improvement of multi-access edge computing (MEC) based on backscatter communication (BackCom) assisted non-orthogonal multiple access (BAC-NOMA). A hybrid BAC-NOMA protocol is proposed, where the…

信息论 · 计算机科学 2024-09-17 Haodong Li

This paper considers a full-duplex (FD) mobile-edge computing (MEC) system with non-orthogonal multiple access (NOMA) and energy harvesting (EH), where one group of users simultaneously offload task data to the base station (BS) via NOMA…

信息论 · 计算机科学 2018-08-01 Zhaohui Yang , Jiancao Hou , Mohammad Shikh-Bahaei

In this paper, we investigate the resource allocation algorithm design for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The proposed algorithm is obtained from the solution of a non-convex optimization problem for the…

信息论 · 计算机科学 2016-03-29 Yan Sun , Derrick Wing Kwan Ng , Zhiguo Ding , Robert Schober

Multi-access edge computing (MEC) has already shown the potential in enabling mobile devices to bear the computation-intensive applications by offloading some tasks to a nearby access point (AP) integrated with a MEC server (MES). However,…

信号处理 · 电气工程与系统科学 2020-06-30 Bo Yang , Xuelin Cao , Joshua Bassey , Xiangfang Li , Timothy Kroecker , Lijun Qian

Mobile edge computing (MEC) is a promising technology that provides cloud and IT services within the proximity of the mobile user. With the increasing number of mobile applications, mobile devices (MD) encounter limitations of their…

分布式、并行与集群计算 · 计算机科学 2020-03-10 Mahla Rahati-Quchani , Saeid Abrishami , Mehdi Feizi

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…

信息论 · 计算机科学 2017-05-25 Wei Bao , He Chen , Yonghui Li , Branka Vucetic

While existing works about non-orthogonal multiple access (NOMA) have indicated that NOMA can yield a significant performance gain over orthogonal multiple access (OMA) with fixed resource allocation, it is not clear whether such a…

信息论 · 计算机科学 2017-10-11 Zhiyong Chen , Zhiguo Ding , Xuchu Dai , Rui Zhang

Non-orthogonal multiple access (NOMA) is considered as a promising technology for improving the spectral efficiency (SE) in 5G. In this correspondence, we study the benefit of NOMA in enhancing energy efficiency (EE) for a multi-user…

信息论 · 计算机科学 2016-06-09 Yi Zhang , Hui-Ming Wang , Tong-Xing Zheng , Qian Yang

This paper aims to prove the significant superiority of hybrid non-orthogonal multiple access (NOMA) over orthog onal multiple access (OMA) in terms of energy efficiency. In particular, a novel hybrid NOMA scheme is proposed in which a user…

信息论 · 计算机科学 2024-11-05 Yanshi Sun , Zhiguo Ding , Yun Hou , George K. Karagiannidis

Resource allocation is investigated for offloading computational-intensive tasks in multi-hop mobile edge computing (MEC) system. The envisioned system has both the cooperative access points (AP) with the computing capability and the MEC…

信息论 · 计算机科学 2021-04-27 Mohammed S. Al-Abiad , Md. Zoheb Hassan , Md. Jahangir Hossain

The combination of non-orthogonal multiple access (NOMA) and mobile edge computing (MEC) can significantly improve the spectrum efficiency beyond the fifth-generation network. In this paper, we mainly focus on energy-efficient resource…

信号处理 · 电气工程与系统科学 2020-09-15 Fang Fang , Kaidi Wang , Zhiguo Ding , Victor C. M. Leung

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

With the fast development of Internet of things (IoT), the fifth generation (5G) wireless networks need to provide massive connectivity of IoT devices and meet the demand for low latency. To satisfy these requirements, Non-Orthogonal…

网络与互联网体系结构 · 计算机科学 2018-02-07 Abbas Kiani , Nirwan Ansari

In this paper, energy efficient resource allocation is considered for an uplink hybrid system, where non-orthogonal multiple access (NOMA) is integrated into orthogonal multiple access (OMA). To ensure the quality of service for the users,…

信息论 · 计算机科学 2019-03-15 Ming Zeng , Animesh Yadav , Octavia A. Dobre , H. Vincent Poor