What is a Smart Antenna? - JEM Engineering Blog (2024)

FAQs

What is a Smart Antenna? - JEM Engineering Blog? ›

The textbook definition of a smart antenna is “an antenna array with digital signal processing algorithms, which identify spatial signatures.” Using these spatial signatures, the smart antenna calculates beamforming vectors, which are then used to track and locate the antenna beam on a mobile or target.

Also known as adaptive antennas, these use an array of antennas in combination with smart signal processing algorithms that track the location of a mobile client device using techniques such as the direction of arrival of a signal.

A smart antenna consists of several antenna elements, whose signal is processed adaptively in order to exploit the spatial domain of the mobile radio channel. The smart antenna technology can significantly improve wireless system performance and economics for a range of potential users.

Compared with common antennas, smart antennas have the following advantages: Longer coverage distance: Smart antennas improve the signal strength at the same location as before and increase the user-experienced Wi-Fi speed. As such, fewer APs are required, reducing customers' investments.

The smart antenna feature enables an AP to automatically adjust the antenna parameters based on the client location and channel information to improve signal quality and stability.

While smart TVs typically come with built-in antennas, they are used for Bluetooth or Wi-Fi connectivity — not for picking up free over-the-air channels.

A GPS antenna is a device that receives radio signals from GPS satellites at varying frequencies. The antenna expands the signals and converts them into electronic signals so that they can be interpreted by a GPS receiver.

Abstract and Figures. Smart antennas are antenna arrays or group of antenna with smart processing algorithms used to identify spatial signal signature. A smart antenna takes advantage of diversity effect at the source (transmitter), the destination (receiver), or both.

Smart Antennas which are also known as Adaptive Array Antennas, digital antenna arrays, multiple antennas, or MIMO is antenna arrays with smart signal processing algorithms used to identify spatial signal signatures like the direction of the arrival of the signal.

Smart TVs only need an antenna to receive free over-the-air channels. They are also connected to the Internet, so you can use streaming apps to watch whatever you want on demand. Once you have an internet connection, you get access to more than one program at a time.

What are the disadvantages of smart antennas? ›

Explanation: Compared to the traditional base station trans-receivers, design of trans-receiver is a complex because there is a need of separate trans-receiver chains for each array elements. Smart antennas are more directive and costly. The base stations need very powerful numeric processors and control systems.

While smart TVs typically come with built-in antennas, they are used for Bluetooth or Wi-Fi connectivity — not for picking up free-to-air channels. You can always try using a less sophisticated analog antenna, but there's a good chance you'll experience signal problems.

Over-the-Air Channels

If you can't access the programs you're searching for or don't want to pay the monthly cost, there's another option — over-the-air (OTA) channels. To access these you just need to purchase an HD antenna. Then you will be able to watch local news, regional sports, and more.

The smart antenna system estimates the direction of arrival of the signal, using techniques such as MUSIC (MUltiple SIgnal Classification), estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithms, Matrix Pencil method or one of their derivatives.

For beam formation of smart antennas, four types of ML algorithms are used: SVM, ANN, EA, and DT, and their performance is compared. As far as the achievement of the desired beam and null direc- tions is concerned, ANN offers better performance, whereas the EA method is better for reducing SLL.

A 5G smart antenna is an advanced antenna system that is designed to work with 5G networks. It uses sophisticated beamforming techniques to focus the antenna's signal in specific directions, allowing for better coverage, increased capacity, and improved signal quality.

For a simple indoor antenna that offers everything you need to cut the cord, the 1byone Amplified Indoor HDTV Antenna offers a 50-mile range and included amplifier, all for a fairly reasonable price. The Winegard Elite 7550 is the smart option and the best TV antenna for outdoor installation.