38.214

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38.214 is a 3rd Generation Partnership Project (3GPP) technical specification for the 5G New Radio (NR). It serves as the go-to communication standard for 5G services. It is the Wireless Access Specification in the new 5G system.

The application field of 38.214 covers a wide range of radio applications for 5G service. The specification provides requirements for radio interface design, air interface procedures and system profiles for a wide range of wireless services and applications such as mobile broadband access, massive IoT, high speed wireless access, etc. It also supports new spectrum requirements in the 3.4-3.8GHz (FR1) and 24.25-27.5GHz (FR2) bands.

38.214 outlines the criteria and standards to be implemented in order for the target system to conform with the 5G New Radio (NR) specifications. The key goals are to provide a high speed and low latency communication between the user and the cell site, while also allocating spectrum use efficiently.

The working principle of 38.214 restricts interference between radio users, and performs beamforming to achieve a good signal-to-interference-noise ratio. This helps support high-speed data transfers and low latency with high reliability, and ensures that user needs are met. In order to provide an optimized signal-to-interference-noise ratio to each user, the system needs to have excellent channel, beamforming, and scheduling capabilities.

The base station is then able to focus the energy towards each user, providing a stronger signal than the noise, which improves the data rate and latency. This is done by using beamforming matrices and applying a set of weights to each antenna element to manipulate the signal’s phase and amplitude.

38.214 also addresses the needs of massive MIMO systems. This advanced setting makes use of multiple antennas in order to provide a high reliability connection for all users. For this reason, it includes guidelines for the antenna design, uplink interference cancellation (UIC) techniques, downlink beamforming, downlink scheduling, and more.

To sum up, 38.214 is a very important 3rd Generation Partnership Project (3GPP) technical specification for the 5G New Radio (NR). It covers a variety of radio applications and provides requirements for Radio Access Network design, air interface procedures, and system profiles. It also provides guidelines for the antenna design, uplink interference cancellation, downlink beamforming, downlink scheduling, and more. Most importantly, it helps to increase the speed and reduce the latency between the user and the cell site, while also efficiently allocating spectrum use. This helps ensure that user needs are met, and that a high-quality, reliable communication is provided.

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