Performance Analysis of LDM and TDM systems for Three PLPs in DVB-T2

被引：0
|
作者：
Kim, Ho Jae [1 ]
Kwon, Soon-Young [1 ]
Kim, Hyoung-Nam [1 ]
Bae, JaeHwui [2 ]
Hur, Namho [2 ]
机构：
[1] Pusan Natl Univ, Dept Elect Engn, Busan, South Korea
[2] Elect & Telecommun Res Inst, Daejeon, South Korea
来源：
2020 INTERNATIONAL CONFERENCE ON ELECTRONICS, INFORMATION, AND COMMUNICATION (ICEIC) | 2020年
关键词：
Layered Division Multiplexing(LDM); Digital Terrestrial Broadcasting;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A layered division multiplexing (LDM) system is one of multiplexing techniques that combine multiple signals with different power levels and transmit them over a single radio frequency (RF) channel. To check the feasibility of threelayered division multiplexing, we analyzed the performance of signal-to-noise ratio (SNR) gain when LDM and time division multiplexing (TDM) systems transmit three PLPs with the same data rate in DVB-T2. Although at some data rates, TDM systems are superior to LDM systems, the SNR performance of LDM systems is mostly better than that of TDM. Specifically, when targeting data rates of three PLPs at 3 Mbps, 6 Mbps, and 20 Mbps, LDM systems have an SNR gain of about 0 to 5 dB better than TDM systems.
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页数：3
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