Results 31 to 40 of about 1,319,177 (129)
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
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An iterative Power Allocation Alogrithm for Energy Efficiency Optimization in Massive MIMO Systems [PDF]
EAI Endorsed Transactions on Internet of Things, 2017 In this paper, a transmitting power allocation strategy for users jointed together pre-coding is presented to eliminate inter-users interference and improve the energy efficiency of Massive MIMO systems.
Yuanyuan Ren, Panpan Miao, Yanhui Lu
doaj +1 more source
Low-Complexity Power Allocation in NOMA Systems With Imperfect SIC for Maximizing Weighted Sum-Rate
IEEE Access, 2019 In this paper, we investigate the power allocation for maximizing weighted sum rate (WSR) in downlink multiple carriers non-orthogonal multiple access (MC-NOMA) systems with imperfect successive interference cancellation (SIC).
Xiaoming Wang +3 more
doaj +1 more source
Digital-Twin-Assisted Edge-Computing Resource Allocation Based on the Whale Optimization Algorithm
Sensors, 2022 With the rapid increase of smart Internet of Things (IoT) devices, edge networks generate a large number of computing tasks, which require edge-computing resource devices to complete the calculations.
Shaoming Qiu +6 more
doaj +1 more source
On Resource Allocation in Fading Multiple Access Channels - An Efficient Approximate Projection Approach [PDF]
, 2008 We consider the problem of rate and power allocation in a multiple-access channel. Our objective is to obtain rate and power allocation policies that maximize a general concave utility function of average transmission rates on the information theoretic ...
Eryilmaz, Atilla +3 more
core +3 more sources
Power Allocation Based on SEP Minimization in Two-Hop Decode-and-Forward Relay Networks [PDF]
, 2011 The problem of optimal power allocation among the relays in a two-hop decode-and-forward cooperative relay network with independent Rayleigh fading channels is considered.
Arash Khabbazibasmenj +3 more
core +1 more source
EURASIP Journal on Wireless Communications and Networking, 2009 The power allocation problem for multiuser wireless networks is considered under the assumption of amplify-and-forward cooperative diversity. Specifically, optimal centralized and distributed power allocation strategies with and without minimum rate ...
Le LongBao +3 more
doaj +2 more sources
Capacity Loss From Localization Error in MIMO Channel Using Leaky Coaxial Cable
IEEE Access, 2021 Leaky coaxial (LCX) cable has been employed as antennas for wireless traffic over many linear-cell scenarios such as railway station, tunnels and shopping malls.
Junjie Zhu +3 more
doaj +1 more source
, 2010 Equal allocation of bandwidth and/or power may not be efficient for wireless multi-user networks with limited bandwidth and power resources. Joint bandwidth and power allocation strategies for wireless multi-user networks with and without relaying are ...
Gong, Xiaowen +2 more
core +1 more source
Towards 5G High Mobility: A Fairness-Adjustable Time-Domain Power Allocation Approach
IEEE Access, 2017 How to provide efficient information service for high-mobility scenarios, including high-speed railway communications (HSRCs), is one of the most important requirements in future 5G communication networks.
Ke Xiong +3 more
doaj +1 more source