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Fifth generation (5G) wireless networks face various challenges in order to support large-scale heterogeneous traffic and users, therefore new modulation and multiple access (MA) schemes are being developed to meet the changing demands. As…

Other Computer Science · Computer Science 2017-02-27 Yunlong Cai , Zhijin Qin , Fangyu Cui , Geoffrey Ye Li , Julie A. McCann

A passive optical network (PON) based on non-orthogonal multiple access (NOMA) meets low latency and high capacity. In the NOMA-PON, the asynchronous clocks between the strong and weak optical network units (ONUs) cause the timing error and…

Signal Processing · Electrical Eng. & Systems 2024-09-16 Qingxin Lu , Haide Wang , Wenxuan Mo , Ji Zhou , Weiping Liu , Changyuan Yu

Time-frequency packing (TFP) transmission provides the highest achievable spectral efficiency with a constrained symbol alphabet and detector complexity. In this work, the application of the TFP technique to fiber-optic systems is…

Memory management is necessary with the increasing number of multi-connected AI devices and data bandwidth issues. For this purpose, high-speed multi-port memory is used. The traditional multi-port memory solutions are hard-bounded to a…

Hardware Architecture · Computer Science 2024-11-08 Narendra Singh Dhakad , Santosh Kumar Vishvakarma

Due to the explosive growth in the number of wireless devices and diverse wireless services, such as virtual/augmented reality and Internet-of-Everything, next generation wireless networks face unprecedented challenges caused by…

Information Theory · Computer Science 2024-02-22 Yuanwei Liu , Shuowen Zhang , Xidong Mu , Zhiguo Ding , Robert Schober , Naofal Al-Dhahir , Ekram Hossain , Xuemin Shen

To effectively mitigate the influence of atmospheric turbulence, a novel discrete-time analog transmission free-space optical (DTAT-FSO) communication scheme is proposed. It directly maps information sources to discrete-time analog symbols…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Hongyu Huang , Zhenming Yu , Yi Lei , Wei Zhang , Yongli Zhao , Shanguo Huang , Kun Xu

The IEEE 802.1 time-sensitive networking (TSN) standards aim at improving the real-time capabilities of standard Ethernet. TSN is widely recognized as the long-term replacement of proprietary technologies for industrial control systems.…

Networking and Internet Architecture · Computer Science 2021-04-29 Haochuan Shi , Adnan Aijaz , Nan Jiang

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

Fifth generation (5G) wireless networks are expected to support very diverse applications and terminals. Massive connectivity with a large number of devices is an important requirement for 5G networks. Current LTE system is not able to…

Information Theory · Computer Science 2014-07-23 Kelvin Au , Liqing Zhang , Hosein Nikopour , Eric Yi , Alireza Bayesteh , Usa Vilaipornsawai , Jianglei Ma , Peiying Zhu

Next-generation wireless networks require higher spectral efficiency and lower latency to meet the demands of various upcoming applications. Recently, non-orthogonal multiple access (NOMA) schemes are introduced in the literature for 5G and…

Signal Processing · Electrical Eng. & Systems 2023-09-19 Sanjeev Sharma , Kuntal Deka

The introduction of silicon chipsets with the capability of processing incoming optical packet traffic, creates a new generation of packet-optical nodes, the whiteboxes. Their inherent functionality of carrying pluggable coherent…

Networking and Internet Architecture · Computer Science 2025-02-05 Constantine A. Kyriakopoulos

This paper presents a cost-effective and easily-deployable flexible-sector six-dimensional movable antenna (6DMA) architecture for future wireless communication networks, which enables flexible antenna configurations to match users' spatial…

Information Theory · Computer Science 2025-10-14 Xiaoming Shi , Yunli Li , Xiaodan Shao , Jie Xu , Rui Zhang

Deep learning has triggered explosive growth in the demand for specialized hardware processors, thus motivating the development of scalable and reconfigurable computing substrates. Optical processors offer a fundamentally different…

The evolution of conventional wireless communication networks to the fifth generation (5G) is driven by an explosive increase in the number of wireless mobile devices and services, as well as their demand for all-time and everywhere…

Networking and Internet Architecture · Computer Science 2017-08-15 Georgios I. Tsiropoulos , Animesh Yadav , Ming Zeng , Octavia A. Dobre

Passive optical network (PON) systems are vulnerable to a variety of failures, including fiber cuts and optical network unit (ONU) transmitter/receiver failures. Any service interruption caused by a fiber cut can result in huge financial…

Machine Learning · Computer Science 2023-07-11 Khouloud Abdelli , Carsten Tropschug , Helmut Griesser , Stephan Pachnicke

Over the years, advancements such as increased bandwidth, new modulation and coding schemes, frame aggregation, and the use of multiple antennas have been employed to enhance Wi-Fi performance. Nonetheless, as network density and the demand…

Networking and Internet Architecture · Computer Science 2025-02-04 Douglas Dziedzorm Agbeve , Andrey Belogaev , Wim Sandra , Carl Lylon , Jeroen Famaey

As an enhancement of cellular networks, the future-generation 5G network can be considered an ultra-high-speed technology. The proposed 5G network might include all types of advanced dominant technologies to provide remarkable services.…

Networking and Internet Architecture · Computer Science 2017-01-20 Nam Tuan Le , Mohammad Arif Hossain , Amirul Islam , Do-yun Kim , Young-June Choi , Yeong Min Jang

International standardization bodies (IEEE and ITU-T) working on the evolution of transmission technologies are still considering traditional direct detection solutions for the most relevant short reach optical link applications, that are…

Signal Processing · Electrical Eng. & Systems 2021-03-04 Giuseppe Rizzelli , Antonino Nespola , Stefano Straullu , Roberto Gaudino

Motivated by the demand of reliable and low latency communications, we employ tools from information theory, stochastic processes and queueing theory, in order to provide a comprehensive framework regarding the analysis of a Time Division…

Information Theory · Computer Science 2019-09-19 Christos K. Kourtellaris , Constantinos Psomas , Ioannis Krikidis

The increasingly diversified Quality-of-Service (QoS) requirements envisioned for future wireless networks call for more flexible and inclusive multiple access techniques for supporting emerging applications and communication scenarios. To…

Information Theory · Computer Science 2021-08-25 Jie Mei , Wudan Han , Xianbin Wang , H. Vincent Poor