DESIGN AND IMPLEMENTATION OF GENERALIZED FREQUENCY DIVISION MULTIPLEXING SYSTEM RECEIVER ON 3.5 GHZ FREQUENCY USING SOFTWARE DEFINED RADIO

• Main Author: Falih Mulia, Rafi
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/66623
• Institution: Institut Teknologi Bandung

ii ABSTRACT DESIGN AND IMPLEMENTATION OF GENERALIZED FREQUENCY DIVISION MULTIPLEXING SYSTEM RECEIVER ON 3.5 GHZ FREQUENCY USING SOFTWARE DEFINED RADIO By Rafi Falih Mulia NIM: 18118010 (Telecommunication Engineering Program) Cellular communication system continues to develop, starting from the first generation (1G) until fifth generation (5G) that has emerged right now. The enhancement of data traffic requires a better technology. 5G offers greater throughput value than 4G. Just like 4G, multicarrier system is also used in 5G for its physical layer. The current 5G standard uses orthogonal frequency division multiplexing (OFDM) as its multicarrier system. Actually, there are other mutlicarrier system that can be used for 5G. Generalized frequency division multiplexing (GFDM) is one of those alternatives. Currently, there are not many studies or reseach that discuss about the implementation of communication system using GFDM. In ths final project, a prototype of receiver system using GFDM is made with the aim that the prototype receiver can receive information wirelessly at a frequency of 3,5 GHz. To make the prototype, MATLAB is used to perform baseband signal processing and SDR USRP E310 to receive RF signal. For GFDM parameters, the number of subcarriers and subsymbols used are 4 and 16, respectively, and the type of mapper used is 4-QAM. Testing is done by sending information in the form of images and text from transmitter which will then be received by receiver. From the test results, it is found that the receiver is able to receive information sent from the transmitter, although there is still a mistake in the received information and the bit error rate (BER) value is still quite high. Keywords: GFDM, 5G, receiver