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Wireless Communication Systems

The basic elements of Wireless Communication Systems are the radio wave and the underlying technology. The two most common forms of wireless communication are Bluetooth and 2.4GHz WiFi. Bluetooth is typically used for computer peripherals like remote controls and music players. Infrared communication, on the other hand, uses infrared light and requires a line of sight between the transmitter and receiver to communicate. Despite their similarities, Bluetooth and WiFi have some important differences.

Multipath channel

During a wireless transmission, multiple paths can result from a single transmitted signal. These paths often create artificial distances. The signals can reduce the effectiveness of a good signal by arriving out of phase. The multipath effects are not always apparent. Careful antenna positioning is needed to avoid these effects. Here are some ways to minimize the impact of multipath. – Use adaptive equalizers. This feature reduces multipaths.


Traditional wireless communication systems are designed to provide reliable data transmission over a channel that impairs signals. These systems use multiple components, including channel coding, modulation, equalization, and synchronization, which are mathematical models that are simplified to close form expressions. The autoencoder models the transmission of data streams by optimizing both the transmitter and receiver as a system. The results of these joint optimizations are more efficient than traditional systems.


There are two major methods for signal modulation in wireless communication systems. These methods use carrier-modulation to create additional frequency components in the carrier waveform. One method creates PSK using a balanced modulator with input that is perfectly correlated to the carrier signal. The other method uses the Fourier Transform to determine the spectrum bandwidth required for the signal. The following illustration shows the spectral components in a worst-case scenario signal.


In wireless communication systems, multiplexing reduces the amount of data that can be transmitted over the same radio wave, but does not reduce its usability. Because each step in the transmission process has its own potential problems, troubleshooting must consider the entire transmission path, including the termination points. Unlike wireless devices, T-1 multiplexers do not require digital signal conversion; they can multiplex analog signals. Therefore, if you have data from a computer, it must first be converted to analog before multiplexing.


Many studies have focused on specific circumstances and the need for higher security for wireless communication systems. For example, current security mechanisms have to detect active attackers, while new methods may offer greater security. To make the security level more robust, wireless communication systems should use the spread spectrum waveform instead. This waveform is highly susceptible to jamming attacks, which can compromise reliable communication. In this article, we will discuss a variety of different ways to protect these systems.