MIMO Wireless Technology

Posted by E-Lins Technology on December 21st, 2019

MIMO (multiple input, multiple output) is an antenna technology for wireless communications in which multiple antennas are used at both the source (transmitter) and the destination (receiver). The antennas at each end of the communications circuit are combined to minimize errors and optimize data speed. MIMO is one of several forms of smart antenna technology, the others being MISO (multiple input, single output) and SIMO (single input, multiple output).

It means that the wireless network signal is synchronously transmitted and received through multiple antennas, which can increase the data transmission rate. In wireless communication, MIMO technology can multiply the capacity and spectrum utilization of communication systems without increasing bandwidth.

The essence of MIMO technology is multi-input and multi-antenna technology, which is a technology in which wireless signals are transmitted and received synchronously through multiple antennas. Therefore, a wireless communication system constitutes a wireless MIMO system as long as both the transmitting end and the receiving end use multiple antennas at the same time. According to the theoretical calculation, the transmission rate of the wireless local area network using the MIMO technology can be increased to above 108 Mbps, and the maximum can reach 320 Mbps.

SU-MIMO is short for Single-User Multiple Input Multiple Output. The MIMO mentioned in the router is actually SU-MIMO. Although SU-MIMO, in which multiple antennas transmit simultaneously, has brought faster transmission speeds than a single antenna, it still cannot fully utilize all network capacity.

Later, high-end wireless routers mentioned MU-MIMO technology. MU-MIMO is an abbreviation for Multi-User Multiple-Input Multiple-Output. It is a multi-antenna client that participates in MIMO. MU-MIMO technology allows a wireless router to send data to multiple clients at the same time. Easily communicate with multiple wireless devices at the same time, bringing all network capacity to life.

The comparison between SU-MIMO and MU-MIMO is shown in the figure below:


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About the Company

E-Lins is a leading provider of industrial 4g router, sim card wifi router 4g, 4G modem, dual sim 4g router and router LTE. The company prides itself on delivering the best equipment at highly competitive prices to its customers around the world.

E-Lins Technology

About the Author

E-Lins Technology
Joined: September 24th, 2019
Articles Posted: 30

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