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相关论文: An SCMA Receiver for 6G NTN based on Multi-Task Le…

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In this paper, we investigate rate splitting multiple access (RSMA) aided mobile edge computing (MEC) in a cognitive radio network. We propose a RSMA scheme that enables the secondary user to offload tasks to the MEC server utilizing…

信息论 · 计算机科学 2022-04-14 Hongwu Liu , Yinghui Ye , Zhiquan Bai , Kyeong Jin Kim , Theodoros A. Tsiftsis

Rate-Splitting Multiple Access (RSMA) has emerged as a powerful multiple access, interference management, and multi-user strategy for next generation communication systems. In this tutorial, we depart from the orthogonal multiple access…

信息论 · 计算机科学 2023-01-11 Bruno Clerckx , Yijie Mao , Eduard A. Jorswieck , Jinhong Yuan , David J. Love , Elza Erkip , Dusit Niyato

In this paper we present low-complexity blind multi-input multi-output (MIMO) adaptive linear multiuser receivers for direct sequence code division multiple access (DS-CDMA) systems using multiple transmit antennas and space-time block…

信息论 · 计算机科学 2014-10-22 R. C. de Lamare , R. Sampaio-Neto

This paper studies task-oriented, otherwise known as goal-oriented, communications, in a setting where a transmitter communicates with multiple receivers, each with its own task to complete on a dataset, e.g., images, available at the…

网络与互联网体系结构 · 计算机科学 2023-08-15 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

Non-orthogonal multiple access (NOMA) serves multiple users by superposing their distinct message signals. The desired message signal is decoded at the receiver by applying successive interference cancellation (SIC). Using the theory of…

信息论 · 计算机科学 2016-11-14 Hina Tabassum , Ekram Hossain , Md. Jahangir Hossain

A novel rate splitting space division multiple access (SDMA) scheme based on grouped code index modulation (GrCIM) is proposed for the sixth generation (6G) downlink transmission. The proposed RSMA-GrCIM scheme transmits information to…

信息论 · 计算机科学 2021-03-02 Wenchao Zhai , Yishan Wu , Jun Zhao , Huimei Han

This letter is the first part of a three-part tutorial focusing on rate-splitting multiple access (RSMA) for 6G. As Part I of the tutorial, the letter presents the basics of RSMA and its applications in light of 6G. To begin with, we first…

信息论 · 计算机科学 2022-12-20 Anup Mishra , Yijie Mao , Onur Dizdar , Bruno Clerckx

In this work we study the coexistence in the same Radio Access Network (RAN) of two generic services present in the Fifth Generation (5G) of wireless communication systems: enhanced Mobile BroadBand (eMBB) and massive Machine-Type…

Communication in high frequencies such as millimeter wave and terahertz suffer from high path-loss and intense shadowing which necessitates beamforming for reliable data transmission. On the other hand, at high frequencies the channels are…

机器学习 · 计算机科学 2021-02-23 Abbas Khalili , Sundeep Rangan , Elza Erkip

Unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) systems can use different multiple access schemes to coordinate multi-user task offloading. However, it is still unknown which scheme is the most energy-efficient, especially…

信息论 · 计算机科学 2025-10-28 Qingjie Wu , Miao Cui , Guangchi Zhang , Beixiong Zheng , Xiaoli Chu , Qingqing Wu

The sixth-generation wireless communications (6G) is often labeled as "connected intelligence". Radio sensing, aligned with machine learning (ML) and artificial intelligence (AI), promises, among other benefits, breakthroughs in the…

Co-existence of terrestrial and non-terrestrial networks (NTN) is foreseen as an important component to fulfill the global coverage promised for sixth-generation (6G) of cellular networks. Due to ever rising spectrum demand, using dedicated…

系统与控制 · 电气工程与系统科学 2024-01-17 Niloofar Okati , Andre Noll Barreto , Luis Uzeda Garcia , Jeroen Wigard

While the legacy cyclic prefix orthogonal frequency division multiple access is retained as the preferred multiple access scheme for 5G enhanced mobile broadband the research is now focussed on the multiple access schemes for massive…

信息论 · 计算机科学 2022-06-06 Kiran V. Shanbhag , Savitha H. M

In this paper, we propose a non-orthogonal multiple access (NOMA)-based communication framework that allows machine type devices (MTDs) to access the network while avoiding congestion. The proposed technique is a 2-step mechanism that first…

信息论 · 计算机科学 2020-09-02 Manal El Tanab , Walaa Hamouda

Towards sixth-generation networks (6G), satellite communication systems, especially based on Low Earth Orbit (LEO) networks, become promising due to their unique and comprehensive capabilities. These advantages are accompanied by a variety…

信号处理 · 电气工程与系统科学 2021-07-14 Selen Gecgel , Gunes Karabulut Kurt

The sixth-generation (6G) network will shift its focus to supporting everything including various machine-type devices (MTDs) in an everyone-centric manner. To ubiquitously cover the MTDs working in rural and disastrous areas, satellite…

系统与控制 · 电气工程与系统科学 2022-08-17 Yueshan Lin , Wei Feng , Ting Zhou , Yanmin Wang , Yunfei Chen , Ning Ge , Cheng-Xiang Wang

Code Division Multiple Access (CDMA) is a channel access method, based on spread-spectrum technology, used by various radio technologies world-wide. In general, CDMA is used as an access method in many mobile standards such as CDMA2000 and…

信息论 · 计算机科学 2016-01-18 Zaid Albataineh , Fathi M. Salem

Semantic communication is a new paradigm that exploits deep learning models to enable end-to-end communications processes, and recent studies have shown that it can achieve better noise resiliency compared with traditional communication…

信号处理 · 电气工程与系统科学 2023-06-28 Wenyu Zhang , Kaiyuan Bai , Sherali Zeadally , Haijun Zhang , Hua Shao , Hui Ma , Victor C. M. Leung

In this paper, an LSTM-aided hybrid random access scheme (LSTMH-RA) is proposed to support diverse quality of service (QoS) requirements in 6G machine-type communication (MTC) networks, where massive MTC (mMTC) devices and ultra-reliable…

信号处理 · 电气工程与系统科学 2022-08-01 Wenchao Zhai , Huimei Han , Lei Liu , Jun Zhao

This paper investigates an uplink non-orthogonal multiple access (NOMA)-based mobile-edge computing (MEC) network. Our objective is to minimize the total energy consumption of all users including transmission energy and local computation…

信号处理 · 电气工程与系统科学 2019-02-18 Zhaohui Yang , Jiancao Hou , Mohammad Shikh-Bahaei