Optimal Packet Length for ARQ and HARQ I with Chase Combining
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-020-04520-8
Abstract: In this paper, we derive the optimal packet length for automatic repeat request (ARQ) protocols and hybrid ARQ I (HARQ I) protocols with chase combining. Chase combining consists of a maximum ratio combination of received… read more here.
Keywords: harq; chase combining; optimal packet; packet ... See more keywords
URLLC Mode Optimal Resource Allocation to Support HARQ in 5G Wireless Networks
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3007902
Abstract: Ultra Reliable Low Latency Communication (URLLC) mode is a promising 5G technology for various real-time applications, such as, autonomous vehicles, augmented reality, and factory automation. Several papers on URLLC exist, however, most papers only focus… read more here.
Keywords: mode optimal; harq; resource allocation; optimal resource ... See more keywords
Energy and MCS Optimization in HARQ Protocol for Ultrareliable Regime With Maximized Throughput
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2022.3162792
Abstract: In this article, we propose a cross-layer approach to maximize the throughput efficiency of the hybrid automatic repeat request (HARQ) protocol while guaranteeing ultrareliable communication (URC). The study combines adaptive modulation and coding and power… read more here.
Keywords: energy mcs; energy; harq protocol; harq ... See more keywords
Modulation Design for MIMO-CoMP HARQ
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2016.2618796
Abstract: Modulation diversity (MoDiv) is a simple and practical transmission enhancement technique that utilizes different modulation mappings to reduce packet loss rate and achieve higher link throughput. MoDiv is particularly meaningful and effective in Hybrid-Automatic Repeat… read more here.
Keywords: harq; modulation design; design mimo; design ... See more keywords
Dynamic NOMA-HARQ in the Finite Blocklength Regime: Performance Analysis and Optimization
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2023.3244609
Abstract: In this letter, we propose a dynamic re-transmission strategy for the two-user uplink non-orthogonal multiple access scenario (NOMA) with hybrid automatic repeat request (HARQ) and more than one allowed re-transmissions. In the proposed scheme, whenever… read more here.
Keywords: low power; power user; dynamic noma; power ... See more keywords
Power Allocation in HARQ-Based Predictor Antenna Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2020.3010579
Abstract: In this letter, we study the performance of predictor antenna (PA) systems using hybrid automatic repeat request (HARQ). Here, the PA system is referred to as a system with two sets of antennas on the… read more here.
Keywords: harq based; harq; power; power allocation ... See more keywords
In-Depth Analysis of HARQ Performance in Active RIS-Assisted RSMA Systems
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2024.3445503
Abstract: Utilizing reconfigurable intelligent surface (RIS) technology to construct intelligent radio environments is a prerequisite for developing the sixth-generation (6G) communication networks characterized by ultra-high speed, minimal latency, and extensive connectivity. Therefore, to further enhance the… read more here.
Keywords: system; active ris; harq; performance ... See more keywords
Visibility Region-Aware HARQ Scheduling in XL-MIMO for Reliability and Latency Optimization
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2025.3606997
Abstract: This letter presents a novel hybrid automatic repeat request (HARQ) framework tailored for extra-large multiple-input multiple-output (XL-MIMO) systems, which leverages spatial visibility region (VR) structures to enhance retransmission efficiency. Traditional HARQ protocols rely heavily on… read more here.
Keywords: region aware; harq; aware harq; visibility region ... See more keywords
Evaluating AoI-Centric HARQ Protocols for UAV Networks
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2023.3320696
Abstract: In this paper, we consider a wireless network enabled by multiple unmanned aerial vehicles (UAVs), which observe physical processes and transmit status updates to a monitor node over an error-prone communication channel. The communication scenarios… read more here.
Keywords: evaluating aoi; harq; harq protocols; protocols uav ... See more keywords
On AoI of Grant-Free Access With HARQ
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2023.3329256
Abstract: For mission-critical URLLC applications, timely status updates are essential. This paper investigates the age of information (AoI) of the three HARQ schemes specified in 5G R16, targeting to provide guidelines for future grant-free access design… read more here.
Keywords: harq scheme; grant free; harq; aoi grant ... See more keywords
Semantic Codebook-Based HARQ for Wireless Image Transmission
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2025.3604326
Abstract: Semantic communication (SemCom) lies in the emphasis on ensuring the correct semantic understanding rather than error-free bit transmission. However, traditional hybrid automatic repeat request (HARQ) mechanism relies on a bit-level check, and it cannot effectively… read more here.
Keywords: transmission; harq; codebook based; semantic codebook ... See more keywords