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Multi-beam antenna technologies have provided lots of promising solutions to many current challenges faced in wireless mesh networks. The antenna can establish several beamformings simultaneously and initiate concurrent transmissions or…

Networking and Internet Architecture · Computer Science 2019-10-03 Gang Wang , Yanyuan Qin

In this study, we compare the single-carrier (SC) waveform adopted in IEEE 802.11ad and unique word discrete Fourier transform spread orthogonal frequency division multiplexing (UW DFT-s-OFDM) waveform. We provide equivalent representations…

Information Theory · Computer Science 2018-01-30 Alphan Sahin , Rui Yang , Frank La Sita , Robert L. Olesen

Efficient radio spectrum utilization and low energy consumption in mobile devices are essential in developing next generation wireless networks. This paper presents a new medium access control (MAC) mechanism to enhance spectrum efficiency…

Networking and Internet Architecture · Computer Science 2016-11-15 Kamal Rahimi Malekshan , Weihua Zhuang , Yves Lostanlen

In this paper, we propose to implement the dynamic decode-and-forward (DDF) protocol with distributed rotations. In addition to being the first minimum-delay implementation of the DDF protocol proposed for any number of relays, this…

Information Theory · Computer Science 2011-02-22 Charlotte Hucher , Parastoo Sadeghi

A fundamental challenge in wireless multicast has been how to simultaneously achieve high-throughput and low-delay for reliably serving a large number of users. In this paper, we show how to harness substantial throughput and delay gains by…

Information Theory · Computer Science 2018-01-08 Fei Wu , Yin Sun , Lu Chen , Jackie Xu , Kannan Srinivasan , Ness B. Shroff

In this paper, we consider a decentralized wireless communication network with a fixed number $u$ of frequency sub-bands to be shared among $N$ transmitter-receiver pairs. It is assumed that the number of active users is a random variable…

Information Theory · Computer Science 2009-12-01 Kamyar Moshksar , Alireza Bayesteh , Amir K. Khandani

Batched network coding is a low-complexity network coding solution to feedbackless multi-hop wireless packet network transmission with packet loss. The data to be transmitted is encoded into batches where each of which consists of a few…

Information Theory · Computer Science 2022-05-10 Jie Wang , Zhiyuan Jia , Hoover H. F. Yin , Shenghao Yang

In this paper, we consider the Medium Access Control (MAC) protocol design for full-duplex cognitive radio networks (FDCRNs). Our design exploits the fact that full-duplex (FD) secondary users (SUs) can perform spectrum sensing and access…

Information Theory · Computer Science 2015-06-30 Le Thanh Tan , Long Bao Le

Over the past decade, distributed CSMA, which forms the basis for WiFi, has been deployed ubiquitously to provide seamless and high-speed mobile internet access. However, distributed CSMA might not be ideal for future IoT/M2M applications,…

Networking and Internet Architecture · Computer Science 2019-12-24 Pragya Sharma , Jayakrishnan Nair , Raman Singh

We derive the optimal resource allocation of a practical half-duplex scheme for the Gaussian multiple access channel with transmitter cooperation (MAC-TC). Based on rate splitting and superposition coding, two users transmit information to…

Information Theory · Computer Science 2015-03-20 Ahmad Abu Al Haija , Mai Vu

One of the major challenges in the medium access control (MAC) protocol design over cognitive Ad Hoc networks (CAHNs) is how to efficiently utilize multiple opportunistic channels, which vary dynamically and are subject to limited power…

Information Theory · Computer Science 2011-05-03 Yichen Wang , Pinyi Ren , Qinghe Du , Chao Zhang

Recent trends suggest that cognitive radio based wireless networks will be frequency agile and the nodes will be equipped with multiple radios capable of tuning across large swaths of spectrum. The MAC scheduling problem in such networks…

Networking and Internet Architecture · Computer Science 2016-11-17 Avhishek Chatterjee , Supratim Deb , Kanthi Nagaraj , Vikram Srinivasan

For data streaming applications, existing solutions are not yet able to close the gap between high data rates and low delay. This work considers the problem of data streaming under mixed delay constraints over a single communication channel…

Information Theory · Computer Science 2022-02-08 Alejandro Cohen , Muriel Médard , Shlomo Shamai

In next generation wireless communication system, wireless transceivers should be able to handle wideband input signals compromising of multiple communication standards.Such multi-standard wireless communication receivers (MWCRs) need…

Information Theory · Computer Science 2016-09-28 Sasha Garg , S. J. Darak

We address a decentralized wireless communication network with a fixed number $u$ of frequency sub-bands to be shared among $N$ transmitter-receiver pairs. It is assumed that the number of users $N$ is a random variable with a given…

Information Theory · Computer Science 2009-12-01 Kamyar Moshksar , Alireza Bayesteh , Amir K. Khandani

Deep joint source-channel coding (DJSCC) has emerged as a robust alternative to traditional separate coding for communications through wireless channels. Existing DJSCC approaches focus primarily on point-to-point wireless communication…

Image and Video Processing · Electrical Eng. & Systems 2025-10-16 Jiangyuan Guo , Wei Chen , Yuxuan Sun , Bo Ai

Future wireless networks, in particular, 5G and beyond, are anticipated to deploy dense Low Earth Orbit (LEO) satellites to provide global coverage and broadband connectivity. However, the limited frequency band and the coexistence of…

Information Theory · Computer Science 2024-05-03 Yunnuo Xu , Longfei Yin , Yijie Mao , Wonjae Shin , Bruno Clerckx

More and more latency-sensitive services and applications are being deployed into the data center. Performance can be limited by the high latency of the network interconnect. Because the conventional network stack is designed not only for…

Networking and Internet Architecture · Computer Science 2023-09-19 Qianfeng , Shen , Jun Zheng , Paul Chow

Channel adaptive signalling, which is based on feedback, can result in almost any performance metric enhancement. Unlike the radio frequency (RF) channel, the optical wireless communications (OWCs) channel is fairly static. This feature…

Information Theory · Computer Science 2017-08-14 Mohammad Dehghani Soltani , Xiping Wu , Majid Safari , Harald Haas

Wireless communications at the chip scale emerge as a interesting complement to traditional wire-based approaches thanks to their low latency, inherent broadcast nature, and capacity to bypass pin constraints. However, as current trends…

Emerging Technologies · Computer Science 2023-01-30 Bernat Ollé , Pau Talarn , Albert Cabellos-Aparicio , Filip Lemic , Eduard Alarcón , Sergi Abadal
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