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Understanding the performance of multi-user multiple-input multiple-output (MU-MIMO) systems under imperfect channel state information at the transmitter (CSIT) remains a critical challenge in next-generation wireless networks. In this…

Signal Processing · Electrical Eng. & Systems 2026-02-06 Maria Cecilia Fernández Montefiore , Gustavo González , F. Javier López-Martínez , Fernando Gregorio

Opportunistic scheduling and beamforming schemes are proposed for multiuser MIMO-SDMA downlink systems with linear combining in this work. Signals received from all antennas of each mobile terminal (MT) are linearly combined to improve the…

Information Theory · Computer Science 2016-11-18 Man-On Pun , Visa Koivunen , H. Vincent Poor

This paper proposes a stochastic geometry framework to analyze the SINR and rate performance in a large-scale uplink massive MIMO network. Based on the model, expressions are derived for spatial average SINR distributions over user and base…

Information Theory · Computer Science 2016-04-05 Tianyang Bai , Robert W. Heath

This work provides a comprehensive scaling law based performance analysis for multi-cell multi-user massive multiple-input-multiple-output (MIMO) downlink systems. Imperfect channel state information (CSI), pilot contamination, and channel…

Information Theory · Computer Science 2017-07-25 Cheng Zhang , Yindi Jing , Yongming Huang , Luxi Yang

In this paper, we present a detailed analysis of the coverage and spectral efficiency of a downlink cellular network. Rather than relying on the first order statistics of received signal-to-interference-ratio (SIR) such as coverage…

Networking and Internet Architecture · Computer Science 2018-08-20 A. M. Hayajneh , S. A. R. Zaidi , Des. C. McLernon , M. Z. Win , A. Imran , M. Ghogho

Cell-free (CF) massive multiple-input multiple-output (mMIMO) has been considered as a potential technology for Beyond 5G communication systems. However, the performance of CF mMIMO systems has not been well studied. Most existing…

Information Theory · Computer Science 2023-10-06 Baolin Chong , Fengqian Guo , Hancheng Lu , Langtian Qin

Various system tasks like interference coordination, handover decisions, admission control etc. in upcoming cellular networks require precise mid-term (spanning over a few seconds) performance models. Due to channel-dependent scheduling at…

Networking and Internet Architecture · Computer Science 2024-10-30 Donald Parruca , Marius Grysla , Simon Görtzen , James Gross

In this paper, we analyze the signal-to-interference-plus-noise ratio (SINR) performance at a mobile station (MS) in a random cellular network. The cellular network is formed by base-stations (BSs) placed in a one, two or three dimensional…

Information Theory · Computer Science 2015-03-13 Prasanna Madhusudhanan , Juan G. Restrepo , Youjian Liu , Timothy X Brown , Kenneth R. Baker

The design of a set of beamformers for the multiuser multiple-input single-output (MISO) downlink that provides the receivers with prespecified levels of quality-of-service (QoS) can be quite challenging when the channel state information…

Signal Processing · Electrical Eng. & Systems 2017-10-27 Mostafa Medra , Yongwei Huang , Timothy N. Davidson

This work investigates the ergodic rate performance analysis of rate-splitting multiple access (RSMA) in a downlink communication system under practical impairments. Closed-form expressions are derived for key performance metrics such as…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Farjam Karim , Deepak Kumar , Prathapasinghe Dharmawansa , Nurul Huda Mahmood , Arthur Sousa de Sena , Matti Latva-aho

Recent work has shown that adaptive CSMA algorithms can achieve throughput optimality. However, these adaptive CSMA algorithms assume a rather simplistic model for the wireless medium. Specifically, the interference is typically modelled by…

Networking and Internet Architecture · Computer Science 2015-04-30 Peruru Subrahmanya Swamy , Radha Krishna Ganti , Krishna Jagannathan

In this paper, we provide a closed-form approximation of the Full-duplex Simultaneous wireless information and power transfer (SWIPT) multi-user MIMO (MU-MIMO) system signal-to-interference-and-noise ratio (SINR) distribution for the…

Information Theory · Computer Science 2018-05-25 Hadi Saki , M. Shikh Bahae

In this paper we consider a probabilistic signal-to-interference and-noise ratio (SINR) constrained problem for transmit beamforming design in the presence of imperfect channel state information (CSI), under a multiuser multiple-input…

Information Theory · Computer Science 2011-08-05 Kun-Yu Wang , Anthony Man-Cho So , Tsung-Hui Chang , Wing-Kin Ma , Chong-Yung Chi

We consider a Carrier Sense Multiple Access (CSMA) based scheduling algorithm for a single-hop wireless network under a realistic Signal-to-interference-plus-noise ratio (SINR) model for the interference. We propose two local optimization…

Information Theory · Computer Science 2017-02-24 Peruru Subrahmanya Swamy , Radha Krishna Ganti , Krishna Jagannathan

Rate-Splitting Multiple Access (RSMA) has emerged as a potent and reliable multiple access and interference management technique in wireless communications. While downlink Multiple-Input Multiple-Ouput (MIMO) RSMA has been widely…

Information Theory · Computer Science 2024-06-04 Jiawei Xu , Bruno Clerckx

Future communication systems employing massive multiple input multiple output will not have the ability to use channel state information at the mobile user terminals. Instead, it will be necessary for such devices to evaluate the downlink…

Signal Processing · Electrical Eng. & Systems 2018-09-24 Tim Brown , David Humphreys , Martin Hudlicka , Tian Hong Loh

Aiming at overcoming practical issues of successive interference cancellation (SIC), this paper proposes a dual-polarized rate-splitting multiple access (RSMA) technique for a downlink massive multiple-input multiple-output (MIMO) network.…

Signal Processing · Electrical Eng. & Systems 2022-12-12 Arthur S. de Sena , Pedro H. J. Nardelli , Daniel B. da Costa , Petar Popovski , Constantinos B. Papadias , Merouane Debbah

Linear receivers offer a low complexity option for multi-antenna communication systems. Therefore, understanding the outage behavior of the corresponding SINR is important in a fading mobile environment. In this paper we introduce a large…

Information Theory · Computer Science 2012-09-17 Aris L. Moustakas , Pavlos Kazakopoulos

We study the scaling laws of the signal-to-interference-plus-noise ratio (SINR) and area spectral efficiency (ASE) in multi-antenna cellular networks, where the number of antennas scales with the base station (BS) spatial density $\lambda$.…

Information Theory · Computer Science 2020-02-12 Ahmad AlAmmouri , Jeffrey G. Andrews , Francois Baccelli

Signal-to-interference plus noise ratio (SINR) and rate fairness in a system are substantial quality-of-service (QoS) metrics. The acclaimed SINR maximization (max-SINR) algorithm does not achieve fairness between user's streams, i.e.,…

Information Theory · Computer Science 2016-11-17 Cenk M. Yetis , Yong Zeng , Kushal Anand , Yong Liang Guan , Erry Gunawan
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