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Spectrum sharing is a new approach to solve the congestion problem in the RF spectrum. A spatial approach for spectrum sharing between a radar and a communication system was proposed, which mitigates the radar interference to communication…

信息论 · 计算机科学 2016-11-17 Awais Khawar , Ahmed Abdelhadi , T. Charles Clancy

This paper investigates symbol detection for single-carrier communication systems operating in the presence of additive interference with Nakagami-m statistics. Such interference departs from the assumptions underlying conventional…

Co-channel interference poses a challenge in any wireless communication network where the time-frequency resources are reused over different geographical areas. The interference is particularly diverse in cell-free massive multiple-input…

信号处理 · 电气工程与系统科学 2024-04-19 Mahmoud Zaher , Emil Björnson , Marina Petrova

This paper presents a generalized closed-form beamforming technique that can achieve the maximum degrees of freedom in compounded multiple-input multiple-output (MIMO) broadcast channels with mixed classes of multiple-antenna users. The…

信息论 · 计算机科学 2020-04-27 Galymzhan Nauryzbayev , Emad Alsusa , Mohamed Abdallah

While the performance of maximum ratio combining (MRC) is well understood for a single isolated link, the same is not true in the presence of interference, which is typically correlated across antennas due to the common locations of…

信息论 · 计算机科学 2014-05-09 Ralph Tanbourgi , Harpreet S. Dhillon , Jeffrey G. Andrews , Friedrich K. Jondral

Presence of multiple antennas on both sides of a communication channel promises significant improvements in system throughput and power efficiency. In effect, a new class of large multiple-input multiple-output (MIMO) communication systems…

信息论 · 计算机科学 2014-01-28 Maksym A. Girnyk , Mikko Vehkaperä , Lars K. Rasmussen

The downlink coverage probability of a cellular network, when the base station locations are modelled by a Poisson point process (PPP), is known when the desired channel is Nakagami distributed with an integer shape parameter. However, for…

信息论 · 计算机科学 2016-10-25 Sudharsan Parthasarathy , Radha Krishna Ganti

Massive MIMO systems, where the base stations are equipped with hundreds of antenna elements, are an attractive way to attain unprecedented spectral efficiency in future wireless networks. In the "classical" massive MIMO setting, the…

信息论 · 计算机科学 2016-06-08 Elisabeth de Carvalho , Emil Bjornson , Erik G. Larsson , Petar Popovski

The probability density function (PDF) and cumulative distribution function of the sum of L independent but not necessarily identically distributed Gamma variates, applicable to the output statistics of maximal ratio combining (MRC)…

信息论 · 计算机科学 2012-07-19 Imran Shafique Ansari , Ferkan Yilmaz , Mohamed-Slim Alouini , Oğuz Kucur

By recognizing the tremendous flexibility of the emerging fluid antenna system (FAS), which allows dynamic reconfigurability of the location of the antenna within a given space, this paper investigates the performance of a single-antenna…

This paper provides a detailed analysis of the important performance metrics like effective capacity and symbol error rate over fluctuating Nakagami-m fading channel. This distribution is obtained from the ratio of two random variables,…

信息论 · 计算机科学 2024-06-19 Manpreet Kaur , Puspraj Singh Chauhan , Sandeep Kumar , Pappu Kumar Verma

Explicit derivation of interferences in hexagonal wireless networks has been widely considered intractable and requires extensive computations with system level simulations. In this paper, we fundamentally tackle this problem and explicitly…

网络与互联网体系结构 · 计算机科学 2016-08-03 Ridha Nasri , Aymen Jaziri

Given the overcrowding in the 300 MHz-3 GHz spectrum, millimeter wave (mmWave) spectrum is a promising candidate for the future generations of wireless networks. With the unique propagation characteristics at mmWave frequencies, one of the…

信号处理 · 电气工程与系统科学 2018-04-11 Solmaz Niknam , Balasubramaniam Natarajan

Channel-reciprocity based key generation (CRKG) has gained significant importance as it has recently been proposed as a potential lightweight security solution for IoT devices. However, the impact of the attacker's position in close range…

信息论 · 计算机科学 2017-01-17 Christan Zenger , Hendrik Vogt , Jan Zimmer , Aydin Sezgin , Christof Paar

This article investigates the performance of uplink rate splitting multiple access (RSMA) in a two-user scenario, addressing an under-explored domain compared to its downlink counterpart. With the increasing demand for uplink communication…

信号处理 · 电气工程与系统科学 2026-04-21 Farjam Karim , Nurul Huda Mahmood , Arthur S. de Sena , Deepak Kumar , Bruno Clerckx , Matti Latva-aho

Multi-group multicast (MGM) is an increasingly important form of multi-user wireless communications with several potential applications, such as video streaming, federated learning, safety-critical vehicular communications, etc.…

信号处理 · 电气工程与系统科学 2024-09-27 Xinze Lyu , Sundar Aditya , Bruno Clerckx

Interfering electrons in a mesoscopic ring are irradiated with both classical and nonclassical microwaves. The average intensity of the charges is calculated as a function of time and it is found that it depends on the nature of the…

介观与纳米尺度物理 · 物理学 2017-08-23 D. I. Tsomokos , C. C. Chong , A. Vourdas

Interference significantly impacts the performance of industrial wireless networks, particularly n severe interference environments with dense networks reusing spectrum resources intensively. Although delicate interference information is…

系统与控制 · 电气工程与系统科学 2026-01-21 Yichen Guo , Tao Peng , Yujie Zhao , Yijing Niu , Wenbo Wang

Base stations with a large number of transmit antennas have the potential to serve a large number of users at high rates. However, the receiver processing in the uplink relies on channel estimates which are known to suffer from pilot…

信息论 · 计算机科学 2016-11-18 Narayanan Krishnan , Roy D. Yates , Narayan B. Mandayam

With the occupancy of the existing frequency spectrum the demands of the skyrocketing data traffic paved the path for 5G millimeter Wave (mmWave) technology. The wide frequency spectrum and high directivity can elevate the mean data rate.…

信号处理 · 电气工程与系统科学 2024-10-28 Fehima Tajrian , Md. Asif Ishrak Sarder , Mariea Sharaf Anzum , Moontasir Rafique , Abdullah Bin Shams