English
Related papers

Related papers: Analysis of Multi-Messages Retransmission Schemes

200 papers

We develop a coordinated hybrid automatic repeat request (HARQ) approach. With the proposed scheme, if a user message is correctly decoded in the first HARQ rounds, its spectrum is allocated to other users, to improve the network outage…

Information Theory · Computer Science 2014-12-23 Behrooz Makki , Tommy Svensson , Thomas Eriksson , Mohamed-Slim Alouini

In this paper we propose the introduction of adaptive hybrid automatic repeat request (HARQ) in the context of mobile satellite communications. HARQ schemes which are commonly used in terrestrial links, can be adapted to improve the…

Networking and Internet Architecture · Computer Science 2015-03-17 Rami Ali Ahmad , Jérôme Lacan , Fabrice Arnal , Mathieu Gineste , Laurence Clarac

The objective of our paper is to improve efficiency (in terms of throughput or system capacity) for mobile satellite communications. In this context, we propose an enhanced Hybrid Automatic Repeat reQuest (HARQ) for delay tolerant services.…

Information Theory · Computer Science 2015-03-18 Rami Ali Ahmad , Jérôme Lacan , Fabrice Arnal , Mathieu Gineste , Laurence Clarac

Hybrid Automatic Repeat Request (HARQ) is a high performance communication protocol, leading to effective use of the wireless channel and the resources with only limited feedback about the channel state information (CSI) to the transmitter.…

Information Theory · Computer Science 2013-12-04 Yi Li , M. Cenk Gursoy , Senem Velipasalar

This work investigates the design of Hybrid Automatic Repeat Request (HARQ) strategies for downlink Rate-Splitting Multiple Access (RSMA). The existence of private and common stream as well as their conditioning for Successive Interference…

Information Theory · Computer Science 2023-09-06 Rafael Cerna Loli , Onur Dizdar , Bruno Clerckx , Petar Popovski

This paper studies the performance of delay-constrained hybrid automatic repeat request HARQ protocols. Particularly, we propose a fast HARQ protocol where, to increase the end-to-end throughput, some HARQ feedback signals and successive…

Information Theory · Computer Science 2018-11-14 Behrooz Makki , Tommy Svensson , Giuseppe Caire , Michele Zorzi

In this paper, we compare the performance of three different cooperative Hybrid Automatic Repeat reQuest (HARQ) protocols for slow-fading half-duplex orthogonal multiple access multiple relay channel. Channel State Information (CSI) is…

Signal Processing · Electrical Eng. & Systems 2018-08-29 Stefan Cerović , Raphaël Visoz , Louis Madier

In this paper, we consider a three node relay network comprising a source, a relay, and a destination. The source transmits the message to the destination using hybrid automatic repeat request (HARQ) with incremental redundancy (IR). The…

Information Theory · Computer Science 2014-04-09 Ali Chelli , Amir Hadjtaieb , Mohamed-Slim Alouini

Recently, the demand for faster and more reliable data transmission has brought up complex communications systems. As a result, it has become more difficult to carry out closed-form solutions that can provide insight about performance…

Information Theory · Computer Science 2017-02-07 Sami Akin , Marwan Hammouda , Jürgen Peissig

This letter studies the throughput and the outage probability of spectrum sharing networks utilizing hybrid automatic repeat request (HARQ) feedback. We focus on the repetition time diversity and the incremental redundancy HARQ protocols…

Information Theory · Computer Science 2013-10-16 Behrooz Makki , Alexandre Graell i Amat , Thomas Eriksson

The future wireless networks envision ultra-reliable communication with efficient use of the limited wireless channel resources. Closed-loop repetition protocols where retransmission of a packet is enabled using a feedback channel has been…

Information Theory · Computer Science 2017-10-03 Saeed R. Khosravirad , Harish Viswanathan

This paper analyzes wireless network control for remote estimation of linear time-invariant dynamical systems under various Hybrid Automatic Repeat Request (HARQ) packet retransmission schemes. In conventional HARQ, packet reliability…

Information Theory · Computer Science 2023-01-16 Faisal Nadeem , Yonghui Li , Branka Vucetic , Mahyar Shirvanimoghaddam

We consider a class of wireless powered devices employing Hybrid Automatic Repeat reQuest (HARQ) to ensure reliable end-to-end communications over a two-state time-varying channel. A receiver, with no power source, relies on the energy…

Networking and Internet Architecture · Computer Science 2019-02-13 Mehdi Salehi Heydar Abad , Ozgur Ercetin , Mohamed Nafie , Tamer Elbatt

This paper studies the throughput performance of HARQ (hybrid automatic repeat request) protocols over block fading Gaussian channels. It proposes new protocols that use the available feedback bit(s) not only to request a retransmission,…

Information Theory · Computer Science 2016-11-17 Daniela Tuninetti

This paper addresses robust communication on a fading relay channel in which the relay is connected to the decoder via an out-of-band digital link of limited capacity. Both the source-to-relay and the source-to-destination links are subject…

Information Theory · Computer Science 2013-03-21 Seok-Hwan Park , Osvaldo Simeone , Onur Sahin , Shlomo Shamai

Mechanisms for data recovery and packet reliability are essential components of the upcoming 6th generation (6G) communication system. In this paper, we evaluate the interaction between a fast hybrid automatic repeat request (HARQ) scheme,…

Signal Processing · Electrical Eng. & Systems 2024-04-12 Uyoata E. Uyoata , Abolfazl Amiri , Enric Juan , Guillermo Pocovi , Pilar Andres-Maldonado , Klaus I. Pedersen , Troels Kolding

In this paper, we consider a class of wireless powered communication devices using hybrid automatic repeat request (HARQ) protocol to ensure reliable communications. In particular, we analyze the trade-off between accumulating mutual…

Performance · Computer Science 2019-02-14 Mehdi Salehi Heydar Abad , Ozgur Ercetin , Tamer Elbatt , Mohammed Nafie

In wireless communication networks, relays are required when the quality of the direct link between the source and the destination is not high enough to support reliable transmission because of long distances or obstacles. Selecting the…

Systems and Control · Electrical Eng. & Systems 2023-05-05 Weihang Ding , Mohammad Shikh-Bahaei

The throughput achievable in truncated Hybrid ARQ protocol (HARQ) using incremental redundancy (IR) in analyzed when transmitting over a block-fading channel whose state is unknown at the transmitter. We allow the transmission lengths to…

Information Theory · Computer Science 2012-07-03 Leszek Szczecinski , Ciro Correa , Luciano Ahumada

In this work, we investigate proactive Hybrid Automatic Repeat reQuest (HARQ) using link-level simulations for multiple packet sizes, modulation orders, BLock Error Rate (BLER) targets and two delay budgets of 1 ms and 2 ms, in the context…

Signal Processing · Electrical Eng. & Systems 2022-02-21 Baris Göktepe , Tatiana Rykova , Thomas Fehrenbach , Thomas Schierl , Cornelius Hellge
‹ Prev 1 2 3 10 Next ›