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The underlying waveform has always been a shaping factor for each generation of the cellular networks, such as orthogonal frequency division multiplexing (OFDM) for the 4th generation cellular networks (4G). To meet the diversified and…

Information Theory · Computer Science 2015-09-01 Xi Zhang , Ming Jia , Lei Chen , Jianglei Ma , Jing Qiu

In the high-mobility scenarios of next-generation wireless communication systems (beyond 5G/6G), the performance of orthogonal frequency division multiplexing (OFDM) deteriorates drastically due to the loss of orthogonality between the…

Signal Processing · Electrical Eng. & Systems 2023-03-01 Yu Zhou , Haoran Yin , Jiaojiao Xiong , Shiyu Song , Jiajun Zhu , Jinming Du , Haibo Chen , Yanqun Tang

Coded caching (CC) techniques have been shown to be conveniently applicable in multi-input multi-output (MIMO) systems. In a $K$-user network with spatial multiplexing gains of $L$ at the transmitter and $G$ at every receiver, if each user…

Information Theory · Computer Science 2022-11-03 MohammadJavad Salehi , Mohammad NaseriTehrani , Antti Tölli

Modern sequence models (e.g., Transformers, linear RNNs, etc.) emerged as dominant backbones of recent deep learning frameworks, mainly due to their efficiency, representational power, and/or ability to capture long-range dependencies.…

Machine Learning · Computer Science 2024-11-26 Ali Behrouz , Ali Parviz , Mahdi Karami , Clayton Sanford , Bryan Perozzi , Vahab Mirrokni

Z-complementary code sets (ZCCSs) are used in multicarrier code-division multiple access (MC-CDMA) systems, for interference-free communication over multiuser and quasi-asynchronous environments. In this letter, we propose three new…

Information Theory · Computer Science 2023-02-23 Gobinda Ghosh , Sudhan Majhi , Shubabrata Paul

Communication can improve control of important system parameters by allowing different grid components to communicate their states with each other. This information exchange requires a reliable and fast communication infrastructure. 5G…

Networking and Internet Architecture · Computer Science 2021-10-19 Rahul Iyer , Biplav Choudhury , Vijay K. Shah , Ali Mehrizi-Sani

Gaussian processes (GP) for machine learning have been studied systematically over the past two decades and they are by now widely used in a number of diverse applications. However, GP kernel design and the associated hyper-parameter…

Machine Learning · Computer Science 2020-10-28 Feng Yin , Lishuo Pan , Xinwei He , Tianshi Chen , Sergios Theodoridis , Zhi-Quan , Luo

We propose a versatile feedback scheme for both single- and multi-user multiple-input multiple-output (MIMO) frequency division duplex (FDD) systems. Particularly, we propose utilizing a Gaussian mixture model (GMM) with a reduced number of…

Information Theory · Computer Science 2023-11-29 Nurettin Turan , Benedikt Fesl , Michael Koller , Michael Joham , Wolfgang Utschick

The increasing popularity of applications such as video streaming in today's mobile devices introduces higher demand for throughput, and puts a strain especially on cellular links. Cooperation among mobile devices by exploiting both…

Networking and Internet Architecture · Computer Science 2014-07-04 Hulya Seferoglu , Yuxuan Xing

Cloud mobile computing enables the offloading of computation-intensive applications from a mobile device to a cloud processor via a wireless interface. In light of the strong interplay between offloading decisions at the application layer…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-29 Shahrouz Khalili , Osvaldo Simeone

Advances in Micro-Electro-Mechanical Systems (MEMS) have revolutionized the digital age to a point where animate and inanimate objects can be used as a communication channel. In addition, the ubiquity of mobile phones with increasing…

Networking and Internet Architecture · Computer Science 2012-10-04 Zhenxin Feng , Kwan-Wu Chin

A general three-dimensional (3D) non-stationary massive multiple-input multiple-output (MIMO) geometry-based stochastic model (GBSM) for the sixth generation (6G) communication systems is proposed in the paper. The novelty of the model is…

Signal Processing · Electrical Eng. & Systems 2021-01-19 Yi Zheng , Long Yu , Runruo Yang , Cheng-Xiang Wang

Integrated sensing, computation, and communication (ISCC) has been recently considered as a promising technique for beyond 5G systems. In ISCC systems, the competition for communication and computation resources between sensing tasks for…

Information Theory · Computer Science 2023-06-07 Yinghui He , Guanding Yu , Yunlong Cai , Haiyan Luo

This paper analyses foundational techniques for improving wireless communication systems, including coding methods, modulation schemes, and channel equalization. Using industry-standard simulation tools, the paper evaluates the performance…

Signal Processing · Electrical Eng. & Systems 2023-10-23 Solomon McKiernan

Mobile communication networks have witnessed a perpetual evolution since their launching as voice only networks. In the few past years, the focus was addressed to high data rate networks that offer high quality of service. The lately…

Networking and Internet Architecture · Computer Science 2014-03-18 Maissa Boujelben , Sonia Benrejeb , Sami Tabbane

This paper presents the design and implementation of signaling splitting scheme in hyper-cellular network on a software defined radio platform. Hyper-cellular network is a novel architecture of future mobile communication systems in which…

Networking and Internet Architecture · Computer Science 2013-12-04 Tao Zhao , Pengkun Yang , Huimin Pan , Ruichen Deng , Sheng Zhou , Zhisheng Niu

As discussions around 6G begin, it is important to carefully quantify the spectral efficiency gains actually realized by deployed 5G networks as compared to 4G through various enhancements such as higher modulation, beamforming, and MIMO.…

Networking and Internet Architecture · Computer Science 2024-03-19 Muhammad Iqbal Rochman , Wei Ye , Zhi-Li Zhang , Monisha Ghosh

Mobile Edge Computing (MEC) holds excellent potential in Congestion Management (CM) of 6G vehicular networks. A reasonable schedule of MEC ensures a more reliable and efficient CM system. Unfortunately, existing parallel and sequential…

Networking and Internet Architecture · Computer Science 2023-06-16 Ke Deng , Zhiyuan He , Haohan Lin , Hao Zhang , Desheng Wang

Technical advances in networks, embedded computing, and wireless communications are leading to the next generation of complex intelligent systems called Cyber-Physical Systems (CPS). CPS promises to transform the way we interact with the…

Networking and Internet Architecture · Computer Science 2014-09-04 Yuzhe Zhou , Bo Ai

The ideas of wireless network coding at the physical layer promise high throughput gains in wireless systems with relays and multi-way traffic flows. This gain can be ascribed to two principles: (1) joint transmission of multiple…

Information Theory · Computer Science 2010-11-30 Chan Dai Truyen Thai , Petar Popovski , Megumi Kaneko , Elisabeth de Carvalho