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相关论文: Performance Analysis of MIMO-HARQ Assisted V2V Com…

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Vehicle-to-vehicle (V2V) communications under dense urban environments usually experience severe keyhole fading effect, especially for multi-input multi-output (MIMO) channels, which degrades the capacity and outage performance due to the…

信息论 · 计算机科学 2022-09-30 Huan Zhang , Zhengtao Liao , Zheng Shi , Guanghua Yang , Qingping Dou , Shaodan Ma

Although terahertz (THz) communications can provide mobile broadband services, it usually has a large path loss and is vulnerable to antenna misalignment. This significantly degrades the reception reliability. To address this issue, the…

信息论 · 计算机科学 2022-09-29 Ziyang Song , Zheng Shi , Qingping Dou , Guanghua Yang , Yunfei Li , Shaodan Ma

Terahertz (THz) communications are envisioned to be a promising technology for 6G thanks to its broad bandwidth. However, the large path loss, antenna misalignment, and atmospheric influence of THz communications severely deteriorate its…

信息论 · 计算机科学 2023-04-25 Ziyang Song , Zheng Shi , Jiaji Su , Qingping Dou , Guanghua Yang , Haichuan Ding , Shaodan Ma

The combination between non-orthogonal multiple access (NOMA) and hybrid automatic repeat request (HARQ) is capable of realizing ultra-reliability, high throughput and many concurrent connections particularly for emerging communication…

信息论 · 计算机科学 2022-09-26 Zheng Shi , Chenmeng Zhang , Yaru Fu , Hong Wang , Guanghua Yang , Shaodan Ma

The outage performance of multiple-input multiple-output (MIMO) technique has received intensive attention to meet the stringent requirement of reliable communications for 5G applications, e.g., mission-critical machine-type communication…

信息论 · 计算机科学 2022-09-28 Huan Zhang , Guanghua Yang , Zheng Shi , Shaodan Ma , Hong Wang

We study the asymptotic outage performance of incremental redundancy automatic repeat request (INR-ARQ) transmission over the multiple-input multiple-output (MIMO) block-fading channels with discrete input constellations. We first show that…

信息论 · 计算机科学 2010-06-11 Khoa D. Nguyen , Lars K. Rasmussen , Albert Guillen i Fabregas , Nick Letzepis

In this paper, we investigate the outage performance of hybrid automatic repeat request with chase combining (HARQ-CC) assisted downlink non-orthogonal multiple access (NOMA) systems. A closed-form expression of the individual outage…

信息论 · 计算机科学 2018-07-11 Donghong Cai , Zhiguo Ding , Pingzhi Fan , Zheng Yang

In this paper, performance of hybrid automatic repeat request with incremental redundancy (HARQ-IR) over Rayleigh fading channels is investigated. Different from prior analysis, time correlation in the channels is considered. Under…

信息论 · 计算机科学 2022-09-30 Zheng Shi , Haichuan Ding , Shaodan Ma , Kam-Weng Tam

Reconfigurable intelligent surface (RIS) has recently attracted a spurt of interest due to its innate advantages over Massive MIMO on power consumption. In this paper, we study the outage performance of multi-RIS system with the help of…

信息论 · 计算机科学 2022-09-26 Qi Cao , Huan Zhang , Zheng Shi , Hong Wang , Yaru Fu , Guanghua Yang , Shaodan Ma

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…

信息论 · 计算机科学 2013-10-16 Behrooz Makki , Alexandre Graell i Amat , Thomas Eriksson

This paper analyzes Type I hybrid automatic repeat request (HARQ) over time-correlated Rayleigh fading channels. Due to the presence of channel time correlation, the analysis is more challenging than the prior analysis in the literature.…

信息论 · 计算机科学 2022-09-27 Zheng Shi , Shaodan Ma , Kam-Weng Tam

As opposed to hybrid automatic repeat request with incremental redundancy (HARQ-IR) that all the resources are occupied to resend the redundant information, cross-packet HARQ (XP-HARQ) allows the introduction of new information into…

信息论 · 计算机科学 2022-09-27 Jiahui Feng , Zheng Shi , Guanghua Yang , Nikolaos I. Miridakis , Shaodan Ma , Theodoros A. Tsiftsis

In this paper, outage performance of hybrid automatic repeat request with incremental redundancy (HARQ-IR) is analyzed. Unlike prior analyses, time-correlated Nakagami-$m$ fading channel is considered. The outage analysis thus involves the…

信息论 · 计算机科学 2017-06-02 Zheng Shi , Shaodan Ma , Guanghua Yang , Kam-Weng Tam , Minghua Xia

This paper thoroughly investigates the performance of variable-rate hybrid automatic repeat request with incremental redundancy (HARQ-IR) over Beckmann fading channels, where Beckmann channel model is used to characterize the impacts of…

信息论 · 计算机科学 2022-09-28 Zheng Shi , Huan Zhang , Shenke Zhong , Guanghua Yang , Xinrong Ye , Shaodan Ma

This paper investigates the performance of the point-to-point multiple-input-multiple-output (MIMO) systems in the presence of a large but finite numbers of antennas at the transmitters and/or receivers. Considering the cases with and…

信息论 · 计算机科学 2016-11-17 Behrooz Makki , Tommy Svensson , Thomas Eriksson , Mohamed-Slim Alouini

In this paper, we consider the massive non-orthogonal multiple access (NOMA) with hybrid automatic repeat request (HARQ) for short packet communications. To reduce the latency, each user can perform one re-transmission provided that the…

信号处理 · 电气工程与系统科学 2020-10-05 Fatemeh Ghanami , Ghosheh Abed Hodtani , Branka Vucetic , Mahyar Shirvanimoghaddam

The outage performance of multiple-input multiple-output (MIMO) technique has received intense attention in order to ensure the reliability requirement for mission-critical machine-type communication (cMTC) applications. In this paper, the…

信息论 · 计算机科学 2020-07-07 Guanghua Yang , Huan Zhang , Zheng Shi , Shaodan Ma , Hong Wang

This paper analyzes the performance of cooperative hybrid automatic repeat request with incremental redundancy (HARQ-IR) and proposes a new approach of outage probability approximation for performance analysis. A general time-correlated…

信息论 · 计算机科学 2022-09-27 Zheng Shi , Haichuan Ding , Shaodan Ma , Kam-Weng Tam , Su Pan

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…

信息论 · 计算机科学 2012-07-03 Leszek Szczecinski , Ciro Correa , Luciano Ahumada

Terahertz (THz) communication is one of the most promising candidates to accommodate high-speed mobile data services. This paper proposes a secure hybrid automatic repeat request with incremental redundancy (HARQ-IR) aided THz communication…

信息论 · 计算机科学 2023-08-01 Yongkang Li , Ziyang Song , Zheng Shi , Qingping Dou , Hongjiang Lei , Jinming Wen , Junbin Fang
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