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A symmetric butterfly network (BFN) with a full-duplex relay operating in a bi-directional fashion for feedback is considered. This network is relevant for a variety of wireless networks, including cellular systems dealing with cell-edge…

Information Theory · Computer Science 2012-07-30 Anas Chaaban , Aydin Sezgin , Daniela Tuninetti

Optical interconnect is a potential solution to attain the large bandwidth on-chip communications needed in high performance computers in a low power and low cost manner. Mode-division multiplexing (MDM) is an emerging technology that…

Emerging Technologies · Computer Science 2017-08-02 Xinru Wu , Chaoran Huang , Ke Xu , Chester Shu , Hon Ki Tsang

In this paper we study a transmission power tune problem with densely deployed 802.11 Wireless Local Area Networks (WLANs). While previous papers emphasize on tuning transmission power with either PHY or MAC layer separately, optimally…

Systems and Control · Computer Science 2013-09-17 Yang Liu , Mingyan Liu , Jing Deng

In-band full-duplex (FD) communications - enabled by recent advances in antenna and RF circuit design - has emerged as one of the promising techniques to improve data rates in wireless systems. One of the major roadblocks in enabling high…

Information Theory · Computer Science 2019-05-23 Shahram Shahsavari , Farhad Shirani , Mohammad A Khojastepour , Elza Erkip

Wireless networks have become the main form of Internet access. Statistics show that the global mobile Internet penetration should exceed 70\% until 2019. Wi-Fi is an important player in this change. Founded on IEEE 802.11, this technology…

Networking and Internet Architecture · Computer Science 2016-11-22 Rafael Araujo da Silva , Michele Nogueira

We study the half-duplex multiple-relay channel (HD-MRC) where every node can either transmit or listen but cannot do both at the same time. We obtain a capacity upper bound based on a max-flow min-cut argument and achievable transmission…

Information Theory · Computer Science 2012-12-04 Lawrence Ong , Mehul Motani , Sarah J. Johnson

In this paper, we investigate power efficient resource allocation algorithm design for multiuser wireless communication systems employing a full-duplex (FD) radio base station for serving multiple half-duplex (HD) downlink and uplink users…

Information Theory · Computer Science 2016-11-17 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

This paper considers a full-duplex (FD) multiuser multiple-input single-output system where a base station simultaneously serves both uplink (UL) and downlink (DL) users on the same time-frequency resource. The crucial barriers in…

Signal Processing · Electrical Eng. & Systems 2019-03-18 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Yongpeng Wu , Oh-Soon Shin

A network of n communication links, operating over a shared wireless channel, is considered. Fading is assumed to be the dominant factor affecting the strength of the channels between transmitter and receiver terminals. It is assumed that…

Information Theory · Computer Science 2016-11-17 Masoud Ebrahimi , Mohammad A. Maddah-Ali , Amir K. Khandani

Full exploitation of the bandwidth resources of Wireless Networks is challenging because of the sharing of the radio medium among neighboring nodes. Practical algorithms and distributed schemes that tries to optimising the use of the…

Networking and Internet Architecture · Computer Science 2009-04-09 Raffaele Bruno , Vania Conan , Stephane Rousseau

With increasing density and heterogeneity in unlicensed wireless networks, traditional MAC protocols, such as carrier-sense multiple access with collision avoidance (CSMA/CA) in Wi-Fi networks, are experiencing performance degradation. This…

Networking and Internet Architecture · Computer Science 2024-06-05 Jiantao Xin , Wei Xu , Bin Cao , Taotao Wang , Shengli Zhang

Growing demand for video services is the main driver for increasing traffic in wireless cellular data networks. Wireless video distribution schemes have recently been proposed to offload data via Device-to-Device (D2D) communications. These…

Networking and Internet Architecture · Computer Science 2017-08-28 Mansour Naslcheraghi , Seyed Ali Ghorashi , Mohammad Shikh-Bahaei

In this work we extend the concept of uplink-downlink rate balancing to frequency division duplex (FDD) massive MIMO systems. We consider a base station with large number antennas serving many single antenna users. We first show that any…

Information Theory · Computer Science 2016-05-04 Itsik Bergel , Yona Perets , Shlomo Shamai

Full-duplex (FD) has emerged as a disruptive communications paradigm for enhancing the achievable spectral efficiency (SE), thanks to the recent major breakthroughs in self-interference (SI) mitigation. The FD versus half-duplex (HD) SE…

Information Theory · Computer Science 2017-11-07 Arman Shojaeifard , Kai-Kit Wong , Wei Yu , Gan Zheng , Jie Tang

This paper focuses on contention-based Medium Access Control (MAC) protocols used in Wireless Local Area Networks (WLANs). We propose a novel MAC protocol called Adaptive Backoff Tuning MAC (ABTMAC) based on IEEE 802.11 DCF. In our proposed…

Networking and Internet Architecture · Computer Science 2014-11-04 Amin Jamali , Seyed Mostafa Safavi Hemami , Mehdi Berenjkoub , Hossein Saidi

Backward compatibility is an essential ingredient for the success of new technologies. In the context of in-band full-duplex (FD) communication, FD base stations (BSs) should support half-duplex (HD) users' equipment (UEs) without…

Information Theory · Computer Science 2016-04-21 Ahmad AlAmmouri , Hesham ElSawy , Mohamed-Slim Alouini

Covert communications hide the transmission of a message from a watchful adversary while ensuring a certain decoding performance at the receiver. In this work, a wireless communication system under fading channels is considered where…

Information Theory · Computer Science 2018-10-17 Khurram Shahzad , Xiangyun Zhou , Shihao Yan , Jinsong Hu , Feng Shu , Jun Li

Recently coded caching has emerged as a promising means to handle continuously increasing wireless traffic. However, coded caching requires users to cooperate in order to minimize the overall transmission rate. How users with heterogeneous…

Information Theory · Computer Science 2019-12-02 Yawei Lu , Wei Chen , H. Vincent Poor

We consider a wireless network comprising multiple singleantenna repeaters that amplify and instantaneously re-transmit received signals in a full-duplex (FD) communication setting. Specifically, we study a massive multiple-input multiple…

Information Theory · Computer Science 2026-01-29 Mohammadali Mohammadi , Dhanushka Kudathanthirige , Himal A. Suraweera , Hien Quoc Ngo , Michail Matthaiou

The IEEE 802.11e standard revises the Medium Access Control (MAC) layer of the former IEEE 802.11 standard for Quality-of-Service (QoS) provision in the Wireless Local Area Networks (WLANs). The Enhanced Distributed Channel Access (EDCA)…

Networking and Internet Architecture · Computer Science 2008-03-28 Inanc Inan , Feyza Keceli , Ender Ayanoglu