Mean Effective Gain. In a multipath environment, the ability of an an- tenna to receive electromagnetic power is quantified by Mean Effective Gain (MEG). It is defined as the ratio of the mean received power to the mean incident power of the antenna [13].
What is channel capacity loss?
At last, Channel Capacity Loss (CCL) is computed, which helps in defining the loss of transmission bits/s/Hz in a high data rate transmission. The minimum acceptable limit of CCL over which the high data transmission is feasible is defined by 0.4 bits/s/Hz [14, 44] .
What does gain mean in antenna?
Antenna gain is the ability of the antenna to radiate more or less in any direction compared to a theoretical antenna. If an antenna could be made as a perfect sphere, it would radiate equally in all directions.
How does dBi gain work?
The gain of an antenna is simply the measure of an antenna’s ability to direct or concentrate radio frequency energy in a particular direction or pattern, with dBi being the unit of measure. High gain antennas (8.1 dBi) take the signal and radiate it along a straight plane in a tight, narrow pattern.
What is a MIMO antenna?
Introduction to MIMO. MIMO stands for Multiple-In Multiple-Out, referring to the fact that when a packet is transmitted into the channel it transmitted on more than one antenna and when it comes out of the channel it is received on multiple antennas.
What is MIMO configuration?
It is an antenna technology that is used both in transmission and receiver equipment for wireless radio communication. • There can be various MIMO configurations. For example, a 2×2 MIMO configuration is 2 antennas to transmit signals (from base station) and 2 antennas to receive signals (mobile terminal).
Is higher antenna gain better?
If you want to focus all of the signal to direct it to a distant target, then the high gain antenna is definitely the best choice. High gain antennas need to be pointed in a preferred direction to send RF signal so that limited signal can be intensified in desired location, as illustrated below.
What is gain in RF?
RF amplifier gain is defined as the difference in power between the amplifier output signal and the input signal. It is assumed that both input and output impedances of the amplifier are the same as the characteristic impedance of the system.
Does higher dBi mean better quality?
The higher the dBi number of the antenna, the higher the gain, but less of a broad field pattern, meaning that the signal strength will go further but in a narrower direction, as illustrated in the diagram below.
What does 5dB gain mean?
A 5dB gain antenna radiates more energy toward the horizon (compared to the 0, 2, and 3dB antennas) to reach radio communication sites that are further apart and less obstructed. Therefore, they are best used in flatlands and open areas.
What is LTE MIMO?
MIMO, Multiple Input Multiple Output is a technology that was introduced into many wireless communications systems including 4G LTE to improve the signal performance. Using multiple antennas, LTE MIMO is able to utilise the multiple path propagation that exists to provide improvements in signal performance.
What is TS9?
TS-9 (or TS9) is an uncommon RF coaxial connector found in cellular devices such as 3G and 4G mobile broadband modems to support connection of an external antenna. The connector is most popularly found on wireless broadband devices manufactured by Netgear and Sierra Wireless.
