Results 31 to 40 of about 13,079,526 (282)
IET Communications, 2021 The secrecy rate of two‐way untrusted relay networks with imperfect channel state information based on SWIPT is investigated when multiple relays harvest energy from two sources.
Dayong Yang +3 more
doaj +1 more source
JOIV: International Journal on Informatics Visualization, 2022 Underwater Visible light communication (UVLC) is a network communication wirelessly where information is transmitted employing light through visible waves; in this case, the light source comes from a light-emitting diode (LED) as a transmitter underwater.
Luthfi Nur'Adli +2 more
doaj +1 more source
Power Allocation Algorithm Minimizing Outage Probability in Cognitive Radio Relay Network [PDF]
Jisuanji gongcheng, 2017 To improve the outage performance of cognitive radio relay network,this paper proposes a power allocation algorithm minimizing outage probability by analyzing the system outage probability and user power allocation conditions.It presents the mathematical
ZHU Chunhua,ZHOU Yuping,CHEN Baoxing,ZHU Quan
doaj +1 more source
Approximate minimum BER power allocation for MIMO-THP system [PDF]
, 2008 This paper proposes a transmit power allocation (TPA) scheme based on multiple-input multiple-output (MIMO) Tomlinson-Harashima precoding (THP) structure, where a TPA matrix is introduced to the conventional MIMO-THP.
Lv, Tiejun +9 more
core +1 more source
Sum Capacity for Single-Cell Multi-User Systems with M-Ary Inputs
Entropy, 2017 This paper investigates the sum capacity of a single-cell multi-user system under the constraint that the transmitted signal is adopted from M-ary two-dimensional constellation with equal probability for both uplink, i.e., multiple access channel (MAC ...
Pei Yang +3 more
doaj +1 more source
Simulated Annealing for Resource Allocation in Downlink NOMA Systems in 5G Networks
Applied Sciences, 2021 In this work, we investigate resource allocation and user pairing to improve the system’s Throughput for the downlink non-orthogonal multiple access (NOMA)-based 5G networks.
Osama Abuajwa +2 more
doaj +1 more source
Transmission loss allocation through a modified Ybus [PDF]
, 2005 A methodology to allocate the active power transmission loss among agents of a power pool is proposed. The approach is based on the inclusion of the admittances equivalent to bus power injections in the bus admittance matrix.
Daniel, JS, Irving, MR, Salgado, RS
core +1 more source
Journal of Applied Mathematics, 2014 In multibeam satellite communication systems it is important to improve the utilization efficiency of the power resources, due to the scarcity of satellite power resources.
Heng Wang +3 more
doaj +1 more source
Computers, 2023 This paper focuses on downlink power allocation for a cognitive radio-based non-orthogonal multiple access (CR-NOMA) system in a femtocell environment involving device-to-device (D2D) communication. The proposed power allocation scheme employs the greedy
Nahla Nur Elmadina +6 more
doaj +1 more source
Efficient power allocation for NOMA-enabled IoT networks in 6G era
Physical Communication, 2020 Due to unrivaled effectiveness, non-orthogonal multiple access (NOMA) has risen as a promising multiple access scheme for the Internet of things (IoT).
W. Khan +5 more
semanticscholar +1 more source