scholarly journals Beamforming with Precoders Based Millimeter Wave Communication System

The 5G communications are used with baseband Precoders and Beamforming. The Technology is needed to update, all available characteristics in the present Wireless Communication System (WCS). The Hybrid Beamforming systems are across in the RF and Digital domain. In the mmWave MIMO system, the numbers of antennas has increased to improve the Spectral Efficiency of the system. The proposed algorithms observe that system performance for different SNR range.

Author(s):  
Sarala Patchala ◽  
M. Sailaja

: The next generation 5g communications are used with baseband precoders and beam forming. The technology is needed to update the all the available characteristics in the present wireless communication system. In the mmWave MIMO system the number of antenna are increased to improve the spectral efficiency of the system.


Author(s):  
S.A. Haider ◽  
Yabo Li Yabo Li ◽  
Keang-Po Ho Keang-Po Ho ◽  
Jianhan Liu Jianhan Liu ◽  
I. Ngebani

Author(s):  
SRINIVAS K ◽  
T Srinivasulu

Power consumption and hardware cost reduction with the use of hybrid beamforming in large-scale millimeter wave MIMO systems. The large dimensional analog precoding integrates with the hybrid beamforming based on the phase shifters including digital precoding with lower dimensionality. The reduction of Euclidean distance between the hybrid precoder and fully digital is the major problem to overcome the minimization of resultant spectral efficiency. The issue formulates as a fully digital precoder’s matrix factorization problem based on the analog RF precoder matrix and the digital baseband precoder matrix. An additional element-wise unit modulus constraint is imposed by the phase shifters on the analog RF precoder matrix. The traditional methods have a problem of performance loss in spectral efficiency. In the processing time and iteration, high complexities result in optimization algorithms. In this paper, a novel low complexity algorithm proposes which maximizes the spectral efficiency and reduces the computational processing time. 


2011 ◽  
Vol 464 ◽  
pp. 245-249
Author(s):  
Xi Jian Zheng ◽  
Ming Da Liu ◽  
Zheng Yi Xie

This paper deals with solution to building tower crane fleet wireless communication system. Feasibility of a system based on ZigBee module is analyzed. By researching transmitting mechanism of ZigBee module and analyzing interference factors during the transmission period,experiments are designed to test data transmission and anti-interference performance, on the condition of simulating on-site environment. Experiment results show that the wireless communication system based on ZigBee module is feasible and the data transmission is reliable.


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