Results 171 to 180 of about 2,887 (229)

AI-Driven Real-Time Phase Optimization for Energy Harvesting-Enabled Dual-IRS Cooperative NOMA Under Non-Line-of-Sight Conditions. [PDF]

Sensors (Basel)
Al-Ghafri Y, Asif HM, Nadir Z, Tarhuni N.   +3 more
europepmc   +1 more source

Spectral efficiency enhancement in multiuser NOMA over Nakagami-m fading channels through power allocation and pairing strategies under hardware and SIC imperfections. [PDF]

Sci Rep
Dipinkrishnan R, Kumaravelu VB.
europepmc   +1 more source

Frequency-comb enabled spectrum-correlation reflectometry for distributed fiber-optic sensing. [PDF]

Light Sci Appl
Lin Z, Zhao Z, He H, Chen C, Tang M, Soto MA.   +5 more
europepmc   +1 more source

Robust overlapping covert communication against partialband interference via chaotic multi-tone spread spectrum. [PDF]

Sci Rep
Guo S, Liu D, Fu Y.
europepmc   +1 more source

Wireless Sensor Network Deployment: Architecture, Objectives, and Methodologies. [PDF]

Sensors (Basel)
Tossa F, Faga Y, Abdou W, Ezin EC, Gouton P.   +4 more
europepmc   +1 more source

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Polar Codes for the Rayleigh Fading Channel

IEEE Communications Letters, 2013
The application of polar codes for the Rayleigh fading channel is considered. We construct polar codes for the block Rayleigh fading channel with known channel side information (CSI) and for the Rayleigh channel with known channel distribution information (CDI).
exaly   +2 more sources

Measurement Complexity of Rayleigh Fading Channels

IEEE Transactions on Vehicular Technology, 2009
Rayleigh fading is a widely used channel model in wireless communications. The mean channel power is of practical importance in channel access, power control, handoff, modeling, and coverage analysis of wireless systems. A fundamental problem naturally arises: How many measurements are sufficient to estimate these parameters with the prescribed margin ...
Xinjia Chen, Guoxiang Gu, Kemin Zhou
openaire   +1 more source

Outage Prediction for URLLC in Rayleigh Fading

2020 European Conference on Networks and Communications (EuCNC), 2020
A major challenge for the realization of ultra reliable low latency communications (URLLC) systems is the fast fading of wireless channels and the therewith associated outages. To overcome the fading, diversity concepts, as well as transmissions with low modulation order and low code rate are widely considered. However, these methods have an undeniably
Andreas Traßl, Lucas Scheuvens, Tom Hößler, Eva Julia Schmitt, Norman Franchi, Gerhard P. Fettweis   +5 more
openaire   +1 more source

Constellations matched to the Rayleigh fading channel

IEEE Transactions on Information Theory, 1996
Summary: We introduce a new technique for designing signal sets matched to the Rayleigh fading channel. In particular, we look for \(n\)-dimensional \((n\geq 2)\) lattices whose structure provides \(n\)th-order diversity. Our approach is based on a geometric formulation of the design problem which in turn can be solved by using a number-geometric ...
Xavier Giraud, Jean-Claude Belfiore
openaire   +2 more sources