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We study the spectral efficiency (SE) of a ratesplitting multiple access (RSMA) enabled multi-clustered cell-free (CF) massive multiple-input multiple-output (mMIMO) system. The access points (APs) in each cluster serve mobile user…

信号处理 · 电气工程与系统科学 2026-02-16 Ravi Kiran Palla , Dheeraj Naidu Amudala , Rohit Budhiraja

Relay deployment in Orthogonal Frequency Division Multiple Access (OFDMA) based cellular networks helps in coverage extension and or capacity improvement. In OFDMA system, each user requires different number of subcarriers to meet its rate…

信息论 · 计算机科学 2014-04-30 Mahima Mehta , Ranjan Bala Jain , Abhay Karandikar

In this work, we consider the performance analysis of the uplink cellular networks with free space optics (FSO) backhauling. The user equipment (UE) communicates with the nearest Base Station (BS) in first slot while in second slot, the BS…

信息论 · 计算机科学 2020-10-29 Elyes Balti , Brian K. Johnson

We consider distributed Luby transform (DLT) codes for efficient packet transmission in a multi-way relay network, where the links are modeled as erasure channels. Density evolution is applied for asymptotic performance analysis, and…

信息论 · 计算机科学 2014-10-02 Iqbal Hussain , Ming Xiao , Lars K. Rasmussen

Mid-term electricity load forecasting (LF) plays a critical role in power system planning and operation. To address the issue of error accumulation and transfer during the operation of existing LF models, a novel model called error…

机器学习 · 计算机科学 2023-06-21 Liping Zhang , Di Wu , Xin Luo

LoRa is a modulation technology for low power wide area networks (LPWAN) with enormous potential in 5G era. However, the performance of LoRa system deteriorates seriously in fading-channel environments. To tackle this problem, in this paper…

信号处理 · 电气工程与系统科学 2020-06-30 Huan Ma , Guofa Cai , Yi Fang , Pingping Chen , Guojun Han

While Time Division Duplexing (TDD) 5G New Radio (NR) networks offers higher downlink throughput due to the utilization of the middle frequency band, the uplink performance is negatively impacted due to higher path loss associated with…

网络与互联网体系结构 · 计算机科学 2025-11-26 Kasidis Arunruangsirilert , Pasapong Wongprasert , Jiro Katto

Evaluative claims about LLM infrastructure -- ``workload X is fastest on hardware Y with software Z'' -- depend on a complex configuration space spanning hardware accelerators, interconnect bandwidth, software frameworks, parallelism plans,…

分布式、并行与集群计算 · 计算机科学 2026-05-08 Eric Ding , Byungsoo Oh , Bhaskar Kataria , Kaiwen Guo , Jelena Gvero , Abhishek Vijaya Kumar , Arjun Devraj , Lindsey Bowen , Atharv Sonwane , Emaad Manzoor , Rachee Singh

Estimating the quality of register transfer level (RTL) designs is crucial in the electronic design automation (EDA) workflow, as it enables instant feedback on key metrics like area and delay without the need for time-consuming logic…

机器学习 · 计算机科学 2025-08-27 Yi Liu , Hongji Zhang , Yiwen Wang , Dimitris Tsaras , Lei Chen , Mingxuan Yuan , Qiang Xu

Modern wireless systems such as the Long-Term Evolution (LTE) and 5G New Radio (5G NR) use pilot-aided SINR estimates to adapt the transmission mode and the modulation and coding scheme (MCS) of data transmissions, maximizing the utility of…

网络与互联网体系结构 · 计算机科学 2019-01-10 Raghunandan M. Rao , Vuk Marojevic , Jeffrey H. Reed

We design a self-exploratory reinforcement learning (RL) framework, based on the Q-learning algorithm, that enables the base station (BS) to choose a suitable modulation and coding scheme (MCS) that maximizes the spectral efficiency while…

网络与互联网体系结构 · 计算机科学 2019-12-10 Mateus P. Mota , Daniel C. Araujo , Francisco Hugo Costa Neto , Andre L. F. de Almeida , F. Rodrigo P. Cavalcanti

As a critical component of beyond fifth-generation (B5G) and sixth-generation (6G) mobile communication systems, ultra-reliable low-latency communication (uRLLC) imposes stringent requirements on latency and reliability. In recent years,…

信息论 · 计算机科学 2024-12-13 Ziyang Zhang , Dongming Wang , Yunxiang Guo , Yang Cao , Xiaohu You

This paper studies a two-hop decode-and-forward underlay cognitive radio system with interference alignment technique. An energy-constrained relay node harvests the energy from the interference signals through a power-splitting (PS)…

Traditional link adaptation (LA) schemes in cellular network must be revised for networks beyond the fifth generation (b5G), to guarantee the strict latency and reliability requirements advocated by ultra reliable low latency communications…

新兴技术 · 计算机科学 2021-05-12 Alessandro Brighente , Jafar Mohammadi , Paolo Baracca , Silvio Mandelli , Stefano Tomasin

In this paper, we examine the performance of the decode-and-forward (DF) relaying protocols with finite blocklength (FB). We provide the overall outage probability of three distinct DF relaying protocols, where the channels are assumed to…

信息论 · 计算机科学 2017-06-22 Parisa Nouri , Hirley Alves , Matti Latva-aho

An energy-efficient design is proposed under specific statistical quality-of-service (QoS) guarantees for delay-sensitive traffic in the downlink orthogonal frequency-division multiple-access (OFDMA) networks. This design is based on Wu's…

Due to the nonlinear distortion in Orthogonal frequency division multiplexing (OFDM) systems, the timing synchronization (TS) performance is inevitably degraded at the receiver. To relieve this issue, an extreme learning machine (ELM)-based…

信号处理 · 电气工程与系统科学 2021-07-29 Chaojin Qing , Shuhai Tang , Chuangui Rao , Qing Ye , Jiafan Wang , Chuan Huang

In this paper, we study a RAN resource-slicing problem for energy-efficient communication in an orthogonal frequency division multiple access (OFDMA) based millimeter-wave (mmWave) downlink (DL) network consisting of enhanced mobile…

信息论 · 计算机科学 2023-06-14 PraveenKumar Korrai , Eva Lagunas , Shree Krishna Sharma , Symeon Chatzinotas

Low Earth Orbit (LEO) satellite networks are increasingly adopting laser (Free Space Optics, FSO) links to provide high-capacity communications. Although laser inter-satellite links offer high throughput and low latency, RF up- and…

网络与互联网体系结构 · 计算机科学 2026-05-05 Cao-Vien Phung , Thomas Röthig , Admela Jukan

This paper presents a new analytical model for calculating burst loss rate (BLR) in a slotted optical burst switched network. The analytical result leads to a framework which provides guidelines for optical burst switched networks.…

其他计算机科学 · 计算机科学 2010-04-27 Md. Shamim Reza , Md. Maruf Hossain , Satya Prasad Majumder
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