Related Experiment Video
Updated: Sep 13, 2025
05:30
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
Published on: September 8, 2023
661
Energy-Efficient Resource Allocation for Near-Field MIMO Communication Networks.
Tong Lin1, Jianyue Zhu1, Junfan Zhu1
1School of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China.
Sensors (Basel, Switzerland)
|July 30, 2025
Summary
This study optimizes power and antenna count for 6G wireless networks, maximizing energy efficiency in the near-field region. The proposed algorithm reduces system energy use and antenna overhead for greener communications.
Area of Science:
- Wireless Communications
- Signal Processing
- Antenna Theory
Background:
- Sixth-generation (6G) wireless networks and large-scale MIMO necessitate near-field communication models.
- Traditional far-field models are inadequate for high-precision beamforming in near-field scenarios.
Purpose of the Study:
- To jointly optimize power and antenna number for maximum energy efficiency in near-field 6G communications.
- To address the resolution constraint for negligible user interference.
Main Methods:
- Simplified near-field resolution constraint using Fresnel approximation.
- Applied Dinkelbach algorithm to transform energy efficiency maximization into a convex subproblem.
- Integral optimization of antenna number using monotonicity analysis.
Main Results:
- Significantly improved system energy efficiency.
- Reduced antenna overhead under various configurations.
- Demonstrated practical applicability for green communication systems.
Conclusions:
- The proposed low-complexity algorithm effectively optimizes power and antenna number for near-field 6G.
- The method offers a practical approach for designing energy-efficient and sustainable wireless networks.
Related Concept Videos
01:16Maximum Power Transfer
414
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
By substituting the entire circuit with...
414
01:23Maximum Power Flow and Line Loadability
181
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
181
01:31Energy Stored In A Coaxial Cable
1.7K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
1.7K
01:23Transmission Line Design Considerations
215
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
215
02:12Short-distance Transport of Resources
16.5K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
16.5K
01:12Mesh Analysis for AC Circuits
421
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
421