<abstract xmlns="http://www.w3.org/1999/xhtml">How to reduce the hardware cost and high power consumption of RF link of communication device is the key problem to be solved for multi-transmitting antenna and multi-receiving antenna system (MIMO). Always choose the best antennas connection a limited number of RF circuits, which is called antenna selection technology (AS), are a perfect solution to the problem, Assuming that the spatial range of the antenna meets the requirements of signal multiplexing and based on the maximum capacity criterion of the selected MIMO system, the manuscript proposes a low computational complexity (CC) and high performance joint transmitting and receiving antenna selection technique (JTRAS). Starting from the traditional capacity formula and the full matrix of MIMO channel, we utilize a simplified channel capacity expression through repeatedly iterating to delete a row and a column of the equivalent decrement channel matrix, which is to remove a pair of transmitting and receiving antennas. Based on the decreasing JTRAS (DJTRAS) algorithm, the capacity results of simulating calculation indicate that its median capacity overtakes other ones, such as optimum selection (OS), AS based on Frobenius 2 norm (NBS), and concise joint AS criterion (CJAS) etc., and the novel DJTRAS scheme can significantly reduce computational complexity (CC) compared to the exhaustive search method with maximum capacity, which defined as optimal algorithm in the curve graphs. This new technology of the AS is particularly suited to large number of selected antennas, such as <italic>Lt ≥ NT</italic>/2,<italic>Lr ≥ NR</italic>/2.</abstract>

How to reduce the hardware cost and high power consumption of RF link of communication device is the key problem to be solved for multi-transmitting antenna and multi-receiving antenna system (MIMO). Always choose the best antennas connection a limited number of RF circuits, which is called antenna selection technology (AS), are a perfect solution to the problem, Assuming that the spatial range of the antenna meets the requirements of signal multiplexing and based on the maximum capacity criterion of the selected MIMO system, the manuscript proposes a low computational complexity (CC) and high performance joint transmitting and receiving antenna selection technique (JTRAS). Starting from the traditional capacity formula and the full matrix of MIMO channel, we utilize a simplified channel capacity expression through repeatedly iterating to delete a row and a column of the equivalent decrement channel matrix, which is to remove a pair of transmitting and receiving antennas. Based on the decreasing JTRAS (DJTRAS) algorithm, the capacity results of simulating calculation indicate that its median capacity overtakes other ones, such as optimum selection (OS), AS based on Frobenius 2 norm (NBS), and concise joint AS criterion (CJAS) etc., and the novel DJTRAS scheme can significantly reduce computational complexity (CC) compared to the exhaustive search method with maximum capacity, which defined as optimal algorithm in the curve graphs. This new technology of the AS is particularly suited to large number of selected antennas, such as Lt ≥ NT/2,Lr ≥ NR/2.

A Novel Joint Transmitting and Receiving Antenna Selection for Spatial Multiplexing Systems

School of Information Science and Engineering

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

How to reduce the hardware cost and high power consumption of RF link of communication device is the key problem to be solved for multi-transmitting antenna...

A Novel Joint Transmitting and Receiving Antenna Selection for Spatial Multiplexing Systems

Data publikacji: 15 wrz 2020

Zakres stron: 565 - 580

Otrzymano: 30 mar 2020

Przyjęty: 26 maj 2020

DOI: https://doi.org/10.2478/amns.2020.2.00031

Słowa kluczowe
MIMO, joint transmitting and receiving AS (JTRAS), channel capacity, spatial multiplexing, computational complexity (CC)

© 2020 Mingjie Zhuang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

A Novel Joint Transmitting and Receiving Antenna Selection for Spatial Multiplexing Systems

Data publikacji: 15 wrz 2020

Zakres stron: 565 - 580

Otrzymano: 30 mar 2020

Przyjęty: 26 maj 2020

DOI: https://doi.org/10.2478/amns.2020.2.00031

Słowa kluczoweMIMO, joint transmitting and receiving AS (JTRAS), channel capacity, spatial multiplexing, computational complexity (CC)

© 2020 Mingjie Zhuang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Słowa kluczowe
MIMO, joint transmitting and receiving AS (JTRAS), channel capacity, spatial multiplexing, computational complexity (CC)