What do you understand by adjacent channel interference?

Adjacent-channel interference (ACI) is interference caused by extraneous power from a signal in an adjacent channel.

How do you solve a co channel interference?

One strategy to reduce CCI in the 2.4 GHz band is to turn off a lot of the 2.4 GHz radios in dual-frequency access points and rely more of the coverage provided by the 5 GHz AP radios to meet density needs.

What is fidelity of receiver?

Fidelity of a receiver is its ability to reproduce the exact replica of the transmitted signals at the receiver output. For better fidelity, the amplifier must pass high bandwidth signals to amplify the frequencies of the outermost sidebands, while for better selectivity the signal should have narrow bandwidth.

What is adjacent channel interference in GSM?

Last updated: 17th Jun ’13.

What is co-channel reuse ratio?

The Co-channel reuse ratio in a cellular system is defined as the ratio of the distance between cells using related channels to the cell radius. If a pair of terminals in two cells are using the same channel, the ratio is called the co-channel reuse ratio (CRR).

What is the difference between co-channel and adjacent channel interference?

In adjacent channel interference the networks are interfering with each other as “noise”. In co-channel interference the network is “congested” (or possibly “saturated”) and clients are fighting for a few milliseconds of talk time.

What is adjacent channel rejection Anansi?

ANSI/IEEE Std 802.11 First Edition 1999-00-00 Receiver adjacent channel rejection The adjacent channel rejection measurement is very important because it tells you how well your device will perform under real-world conditions. The alternate channel rejection test is very similar to this test.

What is the alternate channel rejection test?

The alternate channel rejection test is very similar to this test. The test setup, according to the IEEE standards, must have two independent signal sources for the in-band and the adjacent channel signals. The two signal sources cannot be coherent in either phase or frequency. You will need a signal combiner for the test signals.

What is rereceiver adjacent channel rejection?

Receiver adjacent channel rejection is the measure of how well a receiver can receive the transmitted signal in the presence of a high-level interfering signal in the adjacent channel. It is measured as a frame error ratio (FER) or packet error rate (PER) at specified interferer power levels.

What is adjacent channel selectivity?

Adjacent channel selectivity, ACS, defines how well a radio receiver rejects unwanted signals on nearby frequencies. The Adjacent Channel Selectivity, ACS is a measure of the ability of a radio receiver to receive a signal on the wanted channel or frequency in the presence of another signal on an adjacent frequency or channel.