Distributed multi-input multi-output public mobile communication system based on electric line

Abstract

The invention discloses a distributing MIMO public mobile communication system which is based on electric power line, the wireless switch-in point 6 is mounted on electric power line interface 8 or floodlight at different position, so the distribution of wireless switch-in point 6 is realized, transferring information with current low voltage electric power line 9, the cost of mobile communication system can be decreased, problems that building network is complex and selecting address of base station is difficult of current distributing MIMO public mobile communication system can be resolved.It possesses characters that distance of signal is little; emitting power of wireless switch-in point is low, capability of system is high, electromagnetism radiation is little, the cost of construction is decreased, it is easy to realize.

Description

technical field [0001] The invention belongs to the technical field of communication, in particular to a mobile communication system using multiple antennas in the communication technology. Background technique [0002] As we all know, the Multiple Input Multiple Output (MIMO for short) mobile communication system refers to a communication system in which both the base station and the mobile terminal have multiple antennas, and it has good spectral efficiency, high system capacity and good communication quality. [0003] In recent years, a distributed MIMO mobile communication system (Distributed Multiple Input Multiple Output) has received more and more attention as a new trend of public wireless access in the future. [0004] Distributed MIMO mobile communication system model such as figure 1 As shown, the system is mainly composed of a mobile terminal antenna 1, a mobile terminal 2, a base station antenna 3, a transmission medium 4, and a central signal processor 5. Th...

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Problems solved by technology

[0005] Distributed MIMO technology can overcome the problem of strong link spatial correlation in centralized MIMO, but the papers, patents and related publications that have been reported so far are still limited to the theoretical research on the performance indicators of distributed MIMO technology. Technologies such as detection algorithms are not yet mature, and there is no practical solution for distributed MIMO mobile communication systems

[0006] In practical applications, both distributed MIMO and general public mobile communication systems have disadvantages such as high construction costs, complex network construction, difficult base station site selection, and large electromagnetic radiation to the human body.

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