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相关论文: Pilot Allocation and Receiver Design for Cell-Free…

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Cell-free massive multiple input multiple output (MIMO) systems can provide reliable connectivity and increase user throughput and spectral efficiency of integrated sensing and communication (ISAC) systems. This can only be achieved through…

信号处理 · 电气工程与系统科学 2024-12-25 Mohamed Elrashidy , Mudassir Masood , Ali Arshad Nasir

To improve the poor performance of distributed operation and non-scalability of centralized operation in traditional cell-free massive MIMO, we propose a cell-free distributed collaborative (CFDC) massive multiple-input multiple-output…

信号处理 · 电气工程与系统科学 2023-03-30 Jiamin Li , Qijun Pan , Pengcheng Zhu , Dongming Wang , Xiaohu You

This letter focuses on the problem of pilot assignment in cell-free massive MIMO systems. Exploiting the well-known Hungarian algorithms, two procedures are proposed, one maximizing the system throughput, and the other one maximizing the…

信息论 · 计算机科学 2020-08-27 Stefano Buzzi , Carmen D'Andrea , Maria Fresia , Yong-Ping Zhang , Shulan Feng

A novel multistatic multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system in cellular networks is proposed. It can make use of widespread base stations (BSs) to perform cooperative sensing in wide area.…

信号处理 · 电气工程与系统科学 2023-05-23 Zixiang Han , Lincong Han , Xiaozhou Zhang , Yajuan Wang , Liang Ma , Mengting Lou , Jing Jin , Guangyi Liu

Network densification, massive multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) bands have recently emerged as some of the physical layer enablers for the future generations of wireless communication networks (5G and…

信号处理 · 电气工程与系统科学 2019-02-21 Guillem Femenias , Felip Riera-Palou

This paper considers pilot design to mitigate pilot contamination and provide good service for everyone in multi-cell Massive multiple input multiple output (MIMO) systems. Instead of modeling the pilot design as a combinatorial assignment…

信息论 · 计算机科学 2018-01-23 Trinh Van Chien , Emil Björnson , Erik G. Larsson

We propose a novel flexible and scalable framework to design integrated communication and computing (ICC) -- a.k.a. over-the-air computing (AirComp)-- receivers. To elaborate, while related literature so far has generally focused either on…

信号处理 · 电气工程与系统科学 2024-11-12 Kuranage Roche Rayan Ranasinghe , Kengo Ando , Giuseppe Thadeu Freitas de Abreu

Carrier frequency and timing synchronization play the fundamental roles in cooperative integrating communication and sensing (ISAC). To mitigate the effects of synchronization error, this paper develops a novel synchronization scheme in…

信号处理 · 电气工程与系统科学 2025-02-03 Qihao Peng , Hong Ren , Zhendong Peng , Cunhua Pan , Maged Elkashlan , Dongming Wang , Jiangzhou Wang , Xiaohu You

In this paper, we investigate a cell-free massive multiple-input and multiple-output (MIMO)-enabled integration communication, computation, and sensing (ICCS) system, aiming to minimize the maximum computation latency to guarantee the…

信号处理 · 电气工程与系统科学 2025-02-25 Qihao Peng , Qu Luo , Zheng Chu , Zihuai Lin , Maged Elkashlan , Pei Xiao , George K. Karagiannidis , Christos Masouros

This paper considers a cell-free massive multipleinput multiple-output (MIMO) integrated sensing and communication (ISAC) system, where distributed MIMO access points (APs) are used to jointly serve the communication users and detect the…

信息论 · 计算机科学 2023-10-16 Mohamed Elfiatoure , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

In future sixth-generation (6G) mobile networks, radar sensing is expected to be offered as an additional service to its original purpose of communication. Merging these two functions results in integrated sensing and communication (ISAC)…

Integrated sensing and communication (ISAC), as a technology enabled seamless connection between communication and sensing, is regarded a core enabling technology for these applications. However, the accuracy of single-node sensing in ISAC…

信号处理 · 电气工程与系统科学 2025-07-01 Haotian Liu , Zhiqing Wei , Luyang Sun , Ruizhong Xu , Yixin Zhang , Zhiyong Feng

This paper investigates multi-static position estimation in cell-free massive multiple-input multiple-output (CF mMIMO) architectures, where orthogonal time frequency space (OTFS) is used as an integrated sensing and communication (ISAC)…

信息论 · 计算机科学 2025-09-10 Yifei Fan , Shaochuan Wu , Mingjun Sun , Lin Huo , Jianchao Su , Haojie Wang

To meet the unprecedented mobile traffic demands of future wireless networks, a paradigm shift from conventional cellular networks to distributed communication systems is imperative. Cell-free massive multiple-input multiple-output…

信息论 · 计算机科学 2024-08-28 Mohammadali Mohammadi , Zahra Mobini , Hien Quoc Ngo , Michail Matthaiou

A massive multiple-input multiple-output (MIMO) system, which utilizes a large number of base station (BS) antennas to serve a set of users, suffers from pilot contamination due to the inter-cell interference (ICI). In this letter, a graph…

信息论 · 计算机科学 2016-11-17 Xudong Zhu , Linglong Dai , Zhaocheng Wang

Cell-free massive multiple-input multiple-output (CF mMIMO) provides good interference management by coordinating many more access points (APs) than user equipments (UEs). It becomes challenging to determine which APs should serve which UEs…

信息论 · 计算机科学 2022-12-06 Shuaifei Chen , Jiayi Zhang , Emil Björnson , Bo Ai

Integrated sensing and communications (ISAC) allows networks to perform sensing alongside data transmission. While most ISAC studies focus on single-target, multi-user scenarios, multi-target sensing is scarcely researched. This letter…

信号处理 · 电气工程与系统科学 2024-10-31 Ozan Alp Topal , Özlem Tuğfe Demir , Emil Björnson , Cicek Cavdar

Cell-free massive multi-input multi-output (CFmMIMO) offers uniform service quality through distributed access points (APs), yet unresolved issues remain. This paper proposes a heterogeneous system design that goes beyond the original…

信息论 · 计算机科学 2024-08-16 Wei Jiang , Hans D. Schotten

Integrated sensing and communication (ISAC) is widely recognized as a pivotal enabling technique for the advancement of future wireless networks. This paper aims to efficiently exploit the inherent sparsity of echo signals for the…

信息论 · 计算机科学 2024-01-01 Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

Massive MIMO communication systems have been identified as one of the most prominent technologies of the next generation wireless standards, such as 5G, due to the large gains in energy and spectral efficiency that can be achieved. In the…

信息论 · 计算机科学 2016-11-04 Jose Carlos Marinello , Taufik Abrao