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In this paper, localization using narrowband communication signals are considered in the presence of fading channels with time of arrival measurements. When narrowband signals are used for localization, due to existing hardware constraints,…

信息论 · 计算机科学 2018-11-06 Xue Zhang , Cihan Tepedelenlioglu , Mahesh K. Banavar , Andreas Spanias , Gowtham Muniraju

We present a new method, the Coupled Escape Probability (CEP), for exact calculation of line emission from multi-level systems, solving only algebraic equations for the level populations. The CEP formulation of the classical two-level…

天体物理学 · 物理学 2009-11-13 Moshe Elitzur , Andres Asensio Ramos

This paper evaluates the performance of reliability and latency in machine type communication networks, which composed of single transmitter and receiver in the presence of Rayleigh fading channel. The source's traffic arrivals are modeled…

信息论 · 计算机科学 2018-08-22 Fahad Qasmi , Mohammad Shehab , Hirley Alves , Matti Latva-aho

In this letter, we consider the problem of energy detection of unknown signals in an intervehicular communication (IVC) system over n*Rayleigh fading channels (also known as cascaded Rayleigh). Novel tight approximations for the probability…

信息论 · 计算机科学 2016-11-08 Yahia Alghorani , Georges Kaddoum , Sami Muhaidat , Samuel Pierre

This paper studies the outage capacity of a network consisting of a multitude of heterogenous mobile users, and operating according to the classical opportunistic beamforming framework. The base station is located at the center of the cell,…

信息论 · 计算机科学 2013-09-27 Tharaka Samarasinghe , Hazer Inaltekin , Jamie Evans

In this letter, some applications of wireless communication systems over $\alpha-\eta-\kappa-\mu$ fading channels are analysed. More specifically, the effective rate and the average of both the detection probability and area under the…

信息论 · 计算机科学 2019-09-17 Hussien Al-Hmood , H. S. Al-Raweshidy

This paper analyzes Type I hybrid automatic repeat request (HARQ) over time-correlated Rayleigh fading channels. Due to the presence of channel time correlation, the analysis is more challenging than the prior analysis in the literature.…

信息论 · 计算机科学 2022-09-27 Zheng Shi , Shaodan Ma , Kam-Weng Tam

Providing connectivity to aerial users, such as cellular-connected unmanned aerial vehicles (UAVs) or flying taxis, is a key challenge for tomorrow's cellular systems. In this paper, the use of coordinated multi-point (CoMP) transmission…

信号处理 · 电气工程与系统科学 2018-11-28 Ramy Amer , Walid Saad , Hesham ElSawy , Majid Butt , Nicola Marchetti

The proposed research performs an analysis of the capacity higher-order statistics for a single-input multiple-output multiantenna wireless communication system equipped with a maximum-ratio combining scheme. It was assumed that the…

信息论 · 计算机科学 2022-04-05 Aleksey S. Gvozdarev

Many-access channel (MnAC) model allows the number of users in the system and the number of active users to scale as a function of the blocklength and as such is suited for dynamic communication systems with massive number of users such as…

信息论 · 计算机科学 2021-05-13 Jyotish Robin , Elza Erkip

In this paper, performance of a dual-hop cooperative multiple-input and multiple-output (MIMO) system is analyzed over Rayleigh faded channels. For the considered system model, non-regenerative MIMO scheme with transmit antenna selection…

信息论 · 计算机科学 2018-09-06 Parvez Shaik , Praveen Kumar Singya , Vimal Bhatia

Massive multiple-input multiple-output (MIMO) is a transmission technique for cellular systems that uses many antennas to support not-as-many users. Thus far, the performance of massive MIMO has only been examined in finite cellular…

信息论 · 计算机科学 2013-05-13 Tianyang Bai , Robert W. Heath,

The optimal transmission strategy to minimize the weighted combination of age of information (AoI) and total energy consumption is studied in this paper. It is assumed that the status update information is obtained and transmitted at fixed…

信息论 · 计算机科学 2020-05-13 Haitao Huang , Deli Qiao , M. Cenk Gursoy

The presence of signal outage, due to shadowing and blockage, is expected to be the main bottleneck in millimeter wave (mmWave) networks. Moreover, with the anticipated vision that mmWave networks would have a dense deployment of base…

信息论 · 计算机科学 2015-03-19 Diana Maamari , Natasha Devroye , Daniela Tuninetti

The correspondence cited in the title [1] derived ergodic capacity of the coherent multiple-input multiple-output (MIMO) channel in independent and identically distributed (IID) Rayleigh fading. While the theoretical results are correct,…

信息论 · 计算机科学 2021-12-28 Kamal Singh , Chandradeep Singh

Statistically independent or positively correlated fading models are usually applied to compute the average performance of wireless communications. However, there exist scenarios with negative dependency and it is therefore of interest how…

信息论 · 计算机科学 2021-01-12 Eduard A. Jorswieck , Karl-Ludwig Besser

In this letter, we analyze the performance of mixed coherent and non-coherent transmissions approach, which can improve the performance of cell-free multiple-input multiple-output orthogonal frequency division multiplexing (CF mMIMO-OFDM)…

信息论 · 计算机科学 2024-11-12 Guoyu Li , Shaochuan Wu , Changsheng You , Wenbin Zhang , Guanyu Shang

In this paper we present experimental implementations of interference alignment (IA) and coordinated multi-point transmission (CoMP). We provide results for a system with three base-stations and three mobile-stations all having two…

信息论 · 计算机科学 2015-03-19 Per Zetterberg , Nima N. Moghadam

Coming cellular systems are envisioned to open up to new services with stringent reliability and energy efficiency requirements. In this paper we focus on the joint power control and rate allocation problem in Single-Input Multiple-Output…

网络与互联网体系结构 · 计算机科学 2019-05-15 Onel L. Alcaraz López , Hirley Alves , Matti Latva-aho

Multimode/multicore fibers are expected to provide an attractive solution to overcome the capacity limit of the current optical communication system. In the presence of high cross-talk between modes/cores, the squared singular values of the…

信息论 · 计算机科学 2020-06-11 Amor Nafkha , Nizar Demni