Design and implementation of the 1024-QAM RF transmission system for UHD cable TV broadcasting

Abstract

Abstract-This paper presents the 1024-QAM transmission system design, implementation and performance for providing UHDTV services over HFC network. The CNR@TOV (Threshold Of Visibility, BER of 3.6e-6) of proposed system is 32.7dB under AWGN and data throughput is 48.54Mbps within 6MHz bandwidth. In this paper, we provide a detail description of UHDTV(Ultra High Definition TV) 1024-QAM cable transmission system design which includes functional description of modem components, simulation results, and lab test results for performance evaluation. To overcome severe burst noise and multipath channel impairments, we proposed the MPEG transport stream layer FEC (TS-FEC) and pilot symbol insertion for additional error control coding gain, fast channel acquisition and estimation.

Implementation and Field Trials of OFDM-Based Digital Video Broadcasting System in Commercial Broadcasting Network for Multichannel UHD Service

“…Furthermore, the data rate of the system of [9] is similar to that of the implemented system with 1024QAM. Therefore, in this subsection, the ToV performance between the designed scheme of [9] and the implemented system of this paper is compared. Figure 7 shows the BER performance of the designed digital video broadcasting system according to the modulation and coderate in AWGN channel.…”

“…Furthermore, the evaluated performance of the designed system is compared to that of the existing digital broadcasting system. Table 5 shows the system parameter comparison between the existing transmission schemes [9,10] and the implemented transmission scheme. The existing transmission method currently being used is based on a single carrier and can transmit a maximum of 38.8Mbps, while the implemented transmission method is based on a multicarrier and transmits a maximum above 51Mbps to provide a transmission rate that is improved by about 30%.…”

“…The existing transmission method currently being used is based on a single carrier and can transmit a maximum of 38.8Mbps, while the implemented transmission method is based on a multicarrier and transmits a maximum above 51Mbps to provide a transmission rate that is improved by about 30%. In the case of [9], 1024-QAM-based system has been designed and implemented for UHD cable TV. Furthermore, the data rate of the system of [9] is similar to that of the implemented system with 1024QAM.…”

“…In the case of [9], 1024-QAM-based system has been designed and implemented for UHD cable TV. Furthermore, the data rate of the system of [9] is similar to that of the implemented system with 1024QAM. Therefore, in this subsection, the ToV performance between the designed scheme of [9] and the implemented system of this paper is compared.…”

“…First, the threshold of visibility of the designed system is evaluated in both additive white Gaussian noise (AWGN) and fading channel. And the evaluated threshold of visibility (ToV) performance of the designed system is compared to that of the existing digital broadcasting systems [9,10]. After the ToV performance evaluation, for the implementation, field programmable gate arrays (FPGAs) were used.…”