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A novel solution is proposed to undertake a frequent task in wireless networks, which is to let all nodes broadcast information to and receive information from their respective one-hop neighboring nodes. The contribution is two-fold. First,…

Information Theory · Computer Science 2015-03-17 Lei Zhang , Dongning Guo

We study a three-node quantum network which enables bidirectional communication between two nodes with a half-duplex relay node. A decode-and-forward protocol is used to perform the communication in two phases. In the first phase, the…

Information Theory · Computer Science 2015-09-29 Holger Boche , Minglai Cai , Christian Deppe

In this paper, a novel cooperative non-orthogonal multiple access (NOMA) system is proposed, where one near user is employed as decode-and-forward (DF) relaying switching between full-duplex (FD) and half-duplex (HD) mode to help a far…

Information Theory · Computer Science 2018-12-19 Xinwei Yue , Yuanwei Liu , Shaoli Kang , Arumugam Nallanathan , Zhiguo Ding

We introduce a framework to study slotted Aloha with cooperative base stations. Assuming a geographic-proximity communication model, we propose several decoding algorithmswith different degrees of base stations' cooperation…

Information Theory · Computer Science 2015-01-30 Dusan Jakovetic , Dragana Bajovic , Dejan Vukobratovic , Vladimir Crnojevic

In this paper, the diamond relay channel is considered, which consists of one source-destination pair and two relay nodes connected with rate-limited out-of-band conferencing links. In particular, we focus on the half-duplex alternative…

Information Theory · Computer Science 2012-05-08 Chuan Huang , Shuguang Cui

This paper considers Gaussian relay networks where a source transmits a message to a sink terminal with the help of one or more relay nodes. The relays work in half-duplex mode, in the sense that they can not transmit and receive at the…

Information Theory · Computer Science 2018-10-16 Martina Cardone , Daniela Tuninetti , Raymond Knopp , Umer Salim

In this paper, protocols for the half-duplex relay channel are introduced and performance limits are analyzed. Relay nodes underly an orthogonality constraint, which prohibits simultaneous receiving and transmitting on the same…

Information Theory · Computer Science 2010-02-02 Peter Rost , Gerhard Fettweis

In this paper, we consider a Gaussian two-way relay channel (GTRC), where two sources exchange messages with each other through a relay. We assume that there is no direct link between sources, and all nodes operate in full-duplex mode. By…

Information Theory · Computer Science 2013-01-29 Shahab Ghasemi-Goojani , Hamid Behroozi

In this work, we address reliable communication of low-latency packets in the presence of a full-duplex adversary that is capable of executing a jamming attack while also being able to measure the power levels on various frequency bands.…

Information Theory · Computer Science 2020-06-01 Vivek Chaudhary , J. Harshan

Reliable transmission of a discrete memoryless source over a multiple-relay relay-broadcast network is considered. Motivated by sensor network applications, it is assumed that the relays and the destinations all have access to side…

Information Theory · Computer Science 2012-02-28 Deniz Gunduz , Elza Erkip , Andrea Goldsmith , H. Vincent Poor

We consider a full-duplex decode-and-forward system, where the wirelessly powered relay employs the time-switching protocol to receive power from the source and then transmit information to the destination. It is assumed that the relay node…

Information Theory · Computer Science 2016-11-15 Mohammadali Mohammadi , Himal A. Suraweera , Gan Zheng , Caijun Zhong , Ioannis Krikidis

This work considers the two-way wiretap channel in which two legitimate users, Alice and Bob, wish to exchange messages securely in the presence of a passive eavesdropper Eve. In the full-duplex scenario, where each node can transmit and…

Information Theory · Computer Science 2011-10-04 Aly El Gamal , O. Ozan Koyluoglu , Moustafa Youssef , Hesham El Gamal

This letter proposes a novel hybrid half-/full-duplex relaying scheme to enhance the relay channel security. A source node (Alice) communicates with her destination node (Bob) in the presence of a buffer-aided full-duplex relay node…

Networking and Internet Architecture · Computer Science 2016-12-20 Ahmed El Shafie , Ahmed Sultan , Naofal Al-Dhahir

In this paper, we propose a new cooperation model for discrete memoryless multiple access channels. Unlike in prior cooperation models (e.g., conferencing encoders), where the transmitters cooperate directly, in this model the transmitters…

Information Theory · Computer Science 2014-04-29 Parham Noorzad , Michelle Effros , Michael Langberg , Tracey Ho

Cooperation between terminals has been proposed to improve the reliability and throughput of wireless communication. While recent work has shown that relay cooperation provides increased diversity, increased multiplexing gain over that…

Information Theory · Computer Science 2009-09-10 Vinayak Nagpal , Sameer Pawar , David Tse , Borivoje Nikolic

We investigate a cognitive radio network in which a primary user (PU) may cooperate with a cognitive radio user (i.e., a secondary user (SU)) for transmissions of its data packets. The PU is assumed to be a buffered node operating in a…

Networking and Internet Architecture · Computer Science 2017-10-27 Ahmed El Shafie , Tamer Khattab , Amr El-Keyi

Quantum relays are central to both quantum communication and distributed quantum computing, enabling long-distance transmission and modular architectures. Unlike classical repeaters, quantum repeaters preserve coherence without amplifying…

Quantum Physics · Physics 2025-09-03 Yigal Ilin , Uzi Pereg

A new channel coding approach was proposed in [1] for random multiple access communication over the discrete-time memoryless channel. The coding approach allows users to choose their communication rates independently without sharing the…

Information Theory · Computer Science 2016-11-15 Zheng Wang , Jie Luo

We address single-user data transmission over a channel where the received signal incurs interference from a finite number of users (interfering users) that use single codebooks for transmitting their own messages. The receiver, however, is…

Information Theory · Computer Science 2007-11-21 Abolfazl S. Motahari , Amir K. Khandani

In this paper, we analyze a composite decode-and-forward scheme for the two-way relay channel with a direct link. During transmission, our scheme combines both block Markov coding and an independent coding scheme similar to network coding…

Information Theory · Computer Science 2014-11-10 Lisa Pinals , Mai Vu
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