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Related papers: Using AMC and HARQ to Optimize System Capacity and…

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Energy efficiency of three common hybrid automatic repeat request (HARQ) schemes including Type I HARQ, HARQ with chase combining (HARQ-CC) and HARQ with incremental redundancy (HARQ-IR), is analyzed and joint power allocation and rate…

Information Theory · Computer Science 2022-09-29 Zheng Shi , Shaodan Ma , Guanghua Yang , Mohamed-Slim Alouini

Analog In-Memory Computing (AIMC) is emerging as a disruptive paradigm for heterogeneous computing, potentially delivering orders of magnitude better peak performance and efficiency over traditional digital signal processing architectures…

This paper presents several methods for minimizing packet service time in networks using 5G and beyond. We propose leveraging network coding alongside Hybrid Automatic Repeat reQuest (HARQ) to reduce service time as well as optimizing…

Networking and Internet Architecture · Computer Science 2024-09-05 Laura Landon , Vipindev Adat Vasudevan , Jaeweon Kim , Junmo Sung , Jeffery Tony Masters , Muriel Médard

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

Due to the power consumption and high circuit cost in antenna arrays, the practical application of massive multiple-input multiple-output (MIMO) in the sixth generation (6G) and future wireless networks is still challenging. Employing…

Information Theory · Computer Science 2023-05-23 Baihua Shi , Qi Zhang , Rongen Dong , Qijuan Jie , Shihao Yan , Feng Shu , Jiangzhou Wang

Recent experimental studies confirm the prevalence of the widely known performance anomaly problem in current Wi-Fi networks, and report on the severe network utility degradation caused by this phenomenon. Although a large body of work…

Networking and Internet Architecture · Computer Science 2015-05-20 Paul Patras , Andres Garcia-Saavedra , David Malone , Douglas J. Leith

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

An Artificial Magnetic Conductor (AMC) frame capable of improving the impedance matching of a 2$\times$2 array for 6G applications without degrading isolation performance is presented. The proposed frame is integrated into the array without…

Systems and Control · Electrical Eng. & Systems 2026-04-03 Edoardo Giusti , Krishan Kumar Tiwari , C. J. Reddy , Danilo Brizi , Agostino Monorchio , Giuseppe Caire

The integration of multicarrier modulation and multiple-input-multiple-output (MIMO) is critical for reliable transmission of wireless signals in complex environments, which significantly improve spectrum efficiency. Existing studies have…

Information Theory · Computer Science 2026-01-09 Yuhao Chi , Zhiyuan Peng , Lei Liu , Ying Li , Yao Ge , Chau Yuen

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

Energy efficiency (EE) optimization of millimeter wave (mm-Wave) massive multiple-input multiple-output (MIMO) systems is emerging as an important challenge for the fifth generation (5G) mobile communication systems. However, the power of…

Signal Processing · Electrical Eng. & Systems 2019-01-03 Kai Chen , Jing Yang , Xiaohu Ge , Yonghui Li , Lin Tian , Jinglin Shi

We propose the application of multiple-bases belief-propagation, an optimized iterative decoding method, to a set of rate-1/2 LDPC codes from the IEEE 802.16e WiMAX standard. The presented approach allows for improved decoding performance…

Information Theory · Computer Science 2008-09-09 Thorsten Hehn , Johannes B. Huber , Stefan Laendner

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

We design and implement a network-coding-enabled reliability architecture for next generation wireless networks. Our network coding (NC) architecture uses a flexible thread-based design, with each encoder-decoder instance applying…

Networking and Internet Architecture · Computer Science 2013-08-05 S. Teerapittayanon , K. Fouli , M. Medard , M. -J. Montpetit , X. Shi , I. Seskar , A. Gosain

We consider a half-duplex wireless relay network with hybrid-automatic retransmission request (HARQ) and Rayleigh fading channels. In this paper, we analyze the outage probability of the multi-relay delay-limited HARQ system with…

Information Theory · Computer Science 2012-02-14 Behrouz Maham , Aydin Behnad , Merouane Debbah

The innovation of Wi-Fi 6, IEEE 802.11ax, was be approved as the next sixth-generation (6G) technology of wireless local area networks (WLANs) by improving the fundamental performance of latency, throughput, and so on. The main technical…

Networking and Internet Architecture · Computer Science 2023-04-05 Ting-Hui Wang , Li-Hsiang Shen , Kai-Ten Feng

We consider transport layer approaches for achieving high rate, low delay communication over edge paths where the bottleneck is an 802.11ac WLAN. We first show that by regulating send rate so as to maintain a target aggregation level it is…

Networking and Internet Architecture · Computer Science 2019-10-15 Hamid Hassani , Franceso Gringoli , Douglas J. Leith

Adaptive modulation and coding (AMC) is a key technology in 5G new radio (NR), enabling dynamic link adaptation by balancing transmission efficiency and reliability based on channel conditions. However, traditional methods often suffer from…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Xinyu Pan , Boxun Liu , Xiang Cheng , Chen Chen

At this present scenario, the demand of the system capacity is very high in wireless network. MIMO technology is used from the last decade to provide this requirement for wireless network antenna technology. MIMO channels are mostly used…

Networking and Internet Architecture · Computer Science 2014-10-29 Sutanu Ghosh

High power consumption and expensive hardware are two bottlenecks for practical massive multiple-input multiple-output (mMIMO) systems. One promising solution is to employ low-resolution analog-to-digital converters (ADCs) and…

Information Theory · Computer Science 2018-09-11 Jiayi Zhang , Linglong Dai , Ziyan He , Bo Ai , Octavia A. Dobre