Equalizer for 5G Base Station

The demand for high-speed data connection services develops in tandem with the number of internet users and multimedia apps. To deliver these services, a robust, reliable, and high-performance modem with an efficient structure is necessary. The channel’s inter-symbol interference (ISI) causes severe performance degradation in high-rate transmission. The ISI can be significantly decreased if the receiver has channel equalization. Many equalizers have been employed to increase the data rate and lower the ISI through channel compensation in the face of inter-symbol interference caused by multipath channels. While linear equalizers, when using the FIR filter structure, have a significant tapped-delay-line (TDL), the nonlinear equalizer class has proven to be quite helpful.

Faststream Technologies, on the other hand, shows how to employ Xilinx 7 Series All Programmable FPGAs and SoCs to create high-clock-rate signal processing functionality, which is common in digital radio datapaths. On a mid-speed grade 7 device, a clock rate of more than 400 MHz can be sustained by using nearly all of the logic slices, more than 90% of the DSP48 slices, and 70% of the block RAMs.

This necessitates the designer to adhere to a set of very basic design guidelines that address both algorithmic and implementation issues. Although nearly all of the slices may be used for pure datapath designs at 400 MHz, only about 75% to 80% of the logic resources (LUTs) are successfully employed, which is mostly due to routing and control set resource limits. A greater LUT usage ratio may be achieved with the next-generation 20 nm UltraScale architecture, which provides dramatically improved capabilities.

Advantage

• The increased capacity is a key benefit of 5G
• The efficiency of signaling will improve
• In comparison to 4G LTE, latency will be drastically reduced

Features

• People will be able to receive radio signals at higher altitudes thanks to the 5th generation wireless communication system.
• Different radio technologies will be able to share the same spectrum more efficiently thanks to cognitive radio technology.
• The 5th generation’s principal use will be to transform the entire planet into a Wi-Fi hotspot.
• The fifth-generation will establish a universal standard that will apply to everybody.

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