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相关论文: Discerning and Enhancing the Weighted Sum-Rate Max…

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Pilot reuse in multi-cell massive multi-input multi-output (MIMO) system is investigated where user groups with different priorities exist. Recent investigation on pilot reuse has revealed that when the ratio of the coherent time interval…

信息论 · 计算机科学 2017-05-03 Jy-yong Sohn , Sung Whan Yoon , Jaekyun Moon

The reconfigurable intelligent surface (RIS) is a promising technology for next-generation wireless communication. It comprises many passive antennas, which reflect signals from the transmitter to the receiver with adjusted phases without…

信号处理 · 电气工程与系统科学 2023-01-18 Bile Peng , Finn Siegismund-Poschmann , Eduard A. Jorswieck

This paper studies the successive convex approximation for low complexity (SCALE) algorithm, which was proposed to address the weighted sum rate (WSR) maximized dynamic power spectrum management (DSM) problem for multiuser multicarrier…

信息论 · 计算机科学 2012-10-04 Tao Wang , Luc Vandendorpe

CSMA (Carrier Sense Multiple Access), which resolves contentions over wireless networks in a fully distributed fashion, has recently gained a lot of attentions since it has been proved that appropriate control of CSMA parameters guarantees…

网络与互联网体系结构 · 计算机科学 2015-01-16 Se-Young Yun , Jinwoo Shin , Yung Yi

Non-orthogonal multiple access (NOMA)-aided cell-free massive multiple-input multiple-output (CFmMIMO) has been considered as a promising technology to fulfill strict quality of service requirements for ultra-reliable low-latency…

信息论 · 计算机科学 2024-03-27 Baolin Chong , Hancheng Lu , Yuang Chen , Langtian Qin , Fengqian Guo

In this paper, the problem of maximizing the wireless users' sum-rate for uplink rate splitting multiple access (RSMA) communications is studied. In the considered model, each user transmits a superposition of two messages to a base station…

信息论 · 计算机科学 2019-06-11 Zhaohui Yang , Mingzhe Chen , Walid Saad , Wei Xu , Mohammad Shikh-Bahaei

Distance estimation is vital for localization and many other applications in wireless sensor networks (WSNs). Particularly, it is desirable to implement distance estimation as well as localization without using specific hardware in low-cost…

信号处理 · 电气工程与系统科学 2018-01-30 Qing Miao , Baoqi Huang , Bing Jia

Reconfigurable distributed antenna and reflecting surface (RDARS) is a new architecture for the sixth-generation (6G) millimeter wave (mmWave) communications. In RDARS-aided mmWave systems, the active and passive beamforming design and…

信号处理 · 电气工程与系统科学 2025-04-03 Chengwang Ji , Qing Xue , Haiquan Lu , Jintao Wang , Qiaoyan Peng , Shaodan Ma , Wei Zhang

Within the context of massive machine-type communications+, reconfigurable intelligent surfaces (RISs) represent a promising technology to boost system performance in scenarios with poor channel conditions. Considering single-antenna…

信号处理 · 电气工程与系统科学 2026-01-28 Sergi Liesegang , Antonio Pascual-Iserte , Olga Muñoz , Alessio Zappone

Rate splitting multiple access (RSMA) is regarded as a crucial and powerful physical layer (PHY) paradigm for next-generation communication systems. Particularly, users employ successive interference cancellation (SIC) to decode part of the…

信息论 · 计算机科学 2024-11-15 Cixiao Zhang , Size Peng , Yin Xu , Qingqing Wu , Xiaowu Ou , Xinghao Guo , Dazhi He , Wenjun Zhang

Applying the max-product (and belief-propagation) algorithms to loopy graphs is now quite popular for best assignment problems. This is largely due to their low computational complexity and impressive performance in practice. Still, there…

信息论 · 计算机科学 2011-07-19 Yung-Yih Jian , Henry D. Pfister

We propose an algorithm to maximize the instantaneous sum data rate transmitted by a base station in the downlink of a multiuser multiple-input, multiple-output system. The transmitter and the receivers may each be equipped with multiple…

信息论 · 计算机科学 2008-01-03 Adam J. Tenenbaum , Raviraj S. Adve

Due to the continuous advancements of orthogonal frequency division multiplexing (OFDM) and multiple antenna techniques, multiuser multiple input multiple output (MU-MIMO) OFDM is a key enabler of both fourth and fifth generation networks.…

信号处理 · 电气工程与系统科学 2021-03-31 Iran M. Braga , Roberto P. Antonioli , Gabor Fodor , Yuri C. B. Silva , Carlos F. M. e Silva , Walter C. Freitas

We consider resource allocation (RA) in multi-carrier coordinated multi-point (CoMP) systems with limited feedback, in which a cluster of base stations (BSs), each equipped with multiple antennas, are connect to each other and/or a central…

信息论 · 计算机科学 2019-08-21 Mohammad G. Khoshkholgh , Victor C. M. Leung , Kang G. Shin , Keivan Navaie

In this addendum, we show that the switching algorithm QPS-SERENA can be converted R(QPS-SERENA), an algorithm for computing approximate Maximum Weight Matching (MWM). Empirically, R(QPS-SERENA) computes $(1-\epsilon)$-MWM within linear…

数据结构与算法 · 计算机科学 2017-11-10 Long Gong , Jun , Xu

Majorization-minimization algorithms consist of iteratively minimizing a majorizing surrogate of an objective function. Because of its simplicity and its wide applicability, this principle has been very popular in statistics and in signal…

机器学习 · 统计学 2013-09-11 Julien Mairal

This letter investigates a fluid antenna (FA)-assisted integrated sensing and communication (ISAC) system, with joint antenna position optimization and waveform design. We consider enhancing the sum-rate maximization (SRM) and sensing…

信息论 · 计算机科学 2024-12-12 Qian Zhang , Mingjie Shao , Tong Zhang , Gaojie Chen , Ju Liu , P. C. Ching

In wireless communication networks, it is difficult to solve many NP-hard problems owing to computational complexity and high cost. Recently, quantum annealing (QA) based on quantum physics was introduced as a key enabler for solving…

We reconsider the problem of joint power control and beamforming design to maximize the weighted sum rate in large and potentially cell-free massive MIMO networks. In contrast to the available short-term methods, where an iterative…

信息论 · 计算机科学 2024-07-09 Lorenzo Miretti , Emil Björnson , Sławomir Stańczak

This paper considers the joint precoder design problem for multiple-input single-output (MISO) systems with coordinated base stations (BSs). We consider maximization of the total sum rate with per BS antenna power constraint problem. For…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw Bogale , Luc Vandendorpe