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相关论文: Rate Optimization for Downlink URLLC via Pinching …

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In this letter, we consider a new type of flexible-antenna system, termed pinching-antenna, where multiple low-cost pinching antennas, realized by activating small dielectric particles on a dielectric waveguide, are jointly used to serve a…

信息论 · 计算机科学 2025-02-19 Yanqing Xu , Zhiguo Ding , George K. Karagiannidis

This paper addresses, for the first time, the uplink performance optimization of multi-user pinching-antenna (PA) systems, recently developed for next-generation wireless networks. By leveraging the unique capabilities of PAs to dynamically…

In this paper, we explore a novel joint uplink and downlink framework utilizing a pinching antenna system (PASS). We consider two waveguides, one dedicated to transmission and one to reception, and both of them are connected to a base…

信号处理 · 电气工程与系统科学 2025-10-28 Shreya Khisa , Ali Amhaz , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

Ultra-reliable and low-latency communications (URLLC) is firstly proposed in 5G networks, and expected to support applications with the most stringent quality-of-service (QoS). However, since the wireless channels vary dynamically, the…

信号处理 · 电气工程与系统科学 2023-05-26 Kang Li , Pengcheng Zhu , Yan Wang , Fu-Chun Zheng , Xiaohu You

Supporting ultra-reliable and low-latency communications (URLLC) is one of the major goals for the fifth-generation cellular networks. Since spectrum usage efficiency is always a concern, and large bandwidth is required for ensuring…

信息论 · 计算机科学 2018-01-04 Changyang She , Chenyang Yang , Tony Q. S. Quek

Pinching-antenna technology has lately showcased its promising capability for reconfiguring wireless propagation environments, especially in high-frequency communication systems like millimeter-wave and terahertz bands. By dynamically…

信息论 · 计算机科学 2025-07-18 Ming Zeng , Xianbin Wang , Yuanwei Liu , Zhiguo Ding , George K. Karagiannidis , H. Vincent Poor

Concerning ultra-reliable low-latency communication (URLLC) for the downlink operating in the frequency-division multiple-access with random channel assignment, a lightweight power allocation approach is proposed to maximize the number of…

信号处理 · 电气工程与系统科学 2022-08-05 Jinfei Wang , Yi Ma , Na Yi , Rahim Tafazolli

Pinching antennas have recently garnered significant attention due to their ability to dynamically reconfigure wireless propagation environments. Despite notable advancements in this area, the exploration of energy efficiency (EE)…

信息论 · 计算机科学 2025-05-22 Ming Zeng , Ji Wang , Gui Zhou , Fang Fang , Xianbin Wang

Next-generation networks require intelligent and robust channel conditions to support ultra-high data rates, seamless connectivity, and large-scale device deployments in dynamic environments. While flexible antenna technologies such as…

信号处理 · 电气工程与系统科学 2025-09-03 Enzhi Zhou , Yue Xiao , Ziyue Liu , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , George K. Karagiannidis

Pinching antennas have been recently proposed as a promising flexible-antenna technology, which can be implemented by attaching low-cost pinching elements to dielectric waveguides. This work explores the potential of employing pinching…

信息论 · 计算机科学 2025-02-04 Ali Bereyhi , Saba Asaad , Chongjun Ouyang , Zhiguo Ding , H. Vincent Poor

In this letter, we analyze the achievable rate of ultra-reliable low-latency communications (URLLC) in a randomly modeled wireless network. We use two mathematical tools to properly characterize the considered system: i) stochastic geometry…

信息论 · 计算机科学 2019-10-31 Jeonghun Park

Pinching-antenna systems have emerged as a promising flexible-antenna architecture for next-generation wireless networks, enabling enhanced adaptability and user-centric connectivity through antenna repositioning along waveguides. However,…

信号处理 · 电气工程与系统科学 2025-07-01 Yanqing Xu , Zhiguo Ding , Robert Schober , Tsung-Hui Chang

Future 5G cellular networks supporting ultra-reliable, low-latency communications (URLLC) could employ random access communication to reduce the overhead compared to scheduled access techniques used in 4G networks. We consider a wireless…

信息论 · 计算机科学 2018-06-06 Derya Malak , Howard Huang , Jeffrey G. Andrews

Pinching antennas, implemented by applying small dielectric particles on a waveguide, have emerged as a promising flexible-antenna technology ideal for next-generation wireless communications systems. Unlike conventional flexible-antenna…

信号处理 · 电气工程与系统科学 2025-08-25 Yanqing Xu , Zhiguo Ding , Donghong Cai , Vincent W. S. Wong

In this paper, we study resource allocation algorithm design for multiuser orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To achieve the…

信息论 · 计算机科学 2020-05-12 Walid R. Ghanem , Vahid Jamali , Qiuyu Zhang , Robert Schober

We propose a novel framework for optimizing antenna parameter settings in a heterogeneous cellular network. We formulate an optimization problem for both coverage and capacity - in both the downlink (DL) and uplink (UL) - which configures…

信号处理 · 电气工程与系统科学 2022-10-31 Ezgi Tekgul , Thomas Novlan , Salam Akoum , Jeffrey G. Andrews

Pinching-antenna systems have recently emerged as a promising solution for enhancing coverage in high-frequency wireless communications by guiding signals through dielectric waveguides and radiating them via position-adjustable antennas.…

信息论 · 计算机科学 2026-02-25 Hao Feng , Ming Zeng , Ebrahim Bedeer , Xingwang Li , Octavia A. Dobre , Zhiguo Ding

Pinching antennas have emerged as a promising technology for reconfiguring wireless propagation environments, particularly in high-frequency communication systems operating in the millimeter-wave and terahertz bands. By enabling dynamic…

In this paper, we study resource allocation algorithm design for secure multi-user downlink ultra-reliable low latency communication (URLLC). To enhance physical layer security (PLS), the base station (BS) is equipped with multiple antennas…

信息论 · 计算机科学 2020-03-02 Walid R. Ghanem , Vahid Jamali , Robert Schober

In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency communication (URLLC). To meet the stringent delay requirements…

信息论 · 计算机科学 2019-01-18 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober
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