Results 21 to 30 of about 2,499,076 (175)
IEEE Photonics Journal, 2016 The ergodic capacity of decode-and-forward (DF) relay-assisted free-space optical (FSO) communication systems when line of sight is available is analyzed over gamma–gamma fading channels with pointing errors.
Ruben Boluda-Ruiz +3 more
doaj +1 more source
Analyzing Power Beacon Assisted Transmission with Imperfect CSI in Wireless Powered Sensor Networks
Sensors, 2019 This paper proposes the maximal ratio transmission (MRT) and maximal ratio combining (MRC) protocols for the power beacon (PB) assisted wireless powered sensor networks and analyzes the impact of the imperfect channel state information (CSI) on the ...
Xuanxuan Tang +3 more
doaj +1 more source
Ergodic Fading Interference Channels: Sum-Capacity and Separability [PDF]
IEEE Transactions on Information Theory, 2011 The sum-capacity for specific sub-classes of ergodic fading Gaussian two-user interference channels (IFCs) is developed under the assumption of perfect channel state information at all transmitters and receivers. For the sub-classes of uniformly strong (every fading state is strong) and ergodic very strong two-sided IFCs (a mix of strong and weak ...
Lalitha Sankar +3 more
openaire +3 more sources
IEEE Photonics Journal, 2022 This paper investigates the ergodic capacity performance of hybrid free space optics (FSO)/ radio frequency (RF) system by employing an adaptive-combining-based switching scheme.
Narendra Vishwakarma, Swaminathan R
doaj +1 more source
Secrecy capacity over correlated ergodic fading channel [PDF]
MILCOM 2008 - 2008 IEEE Military Communications Conference, 2008 We investigate the secrecy capacity of an ergodic fading wiretap channel in which the main channel is correlated with the eavesdropper channel. In this study, the full Channel State Information (CSI) is assumed, and thus the transmitter knows the channel gains of the legitimate receiver and the eavesdropper.
Hyoungsuk Jeon +4 more
openaire +3 more sources
Phase Noise Cancelation Based on Polarization Modulation for Massive MIMO-OFDM Systems
International Journal of Antennas and Propagation, 2019 In massive multiple-input multiple-output (MIMO) systems, phase noise introduced by oscillators can cause severe performance loss. It leads to common phase error and intercarrier interference in massive MIMO-OFDM uplink. To solve the issue, a novel phase
Yao Nie +5 more
doaj +1 more source
Cutset Bounds on the Capacity of MIMO Relay Channels
IEEE Access, 2017 We analyze the ergodic capacity of multiple-input multiple-output (MIMO) Rayleigh-fading relay channels. We first derive the probability density function of a sum of independent complex central Wishart matrices-called the central hyper-Wishart matrix-and
Youngmin Jeong +2 more
doaj +1 more source
Ergodic Capacity of Generalized Fading Channels With Mobility
IEEE Open Journal of Vehicular Technology, 2022 In this paper, we consider the ergodicchannel capacity (ECC) of several generalized fading channels for a mobile user that moves inside a coverage area according to the random waypoint (RWP) mobility model.
Valentine A. Aalo +2 more
doaj +1 more source
EURASIP Journal on Advances in Signal Processing, 2007 The ergodic capacity of MIMO frequency-flat and -selective channels depends greatly on the eigenvalue distribution of spatial correlation matrices. Knowing the eigenstructure of correlation matrices at the transmitter is very important to enhance the ...
Bahrami Hamid Reza, Le-Ngoc Tho
doaj +2 more sources
IEEE AccessMassive connectivity and green communication will be important problems for the upcoming sixth generation (6G). Reconfigurable intelligent surfaces (RIS) and non-orthogonal multiple access (NOMA) have recently been presented as two major solutions to ...
Tran Cong Hung +5 more
doaj +1 more source