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In this paper, we propose an advanced polar encoding scheme with successive cancellation list (SCL) decoder for visible light communication (VLC). As much high-profile channel coding methods, polar codes have achieved the symmetric capacity of binary-input discrete memoryless channels (B-DMCs) based on channel polarization. By taking advantages of simple recursive encoding structure and confirmed...
The combination of multiple-input multiple-output (MIMO) and bit-interleaved coded modulation (BICM)/BICM with iterative demapping (BICM-ID) is one of the key technologies to meet the high-transmission-rate requirement of the next generation broadcasting systems. However, conventional low-density parity check (LDPC) coded MIMO BICM schemes always show poor performance with iterative demapping, and...
Digital terrestrial television multimedia broadcasting - advanced (DTMB-A) is digital terrestrial television broadcasting (DTTB) standard proposed by China, which has been accepted by ITU as the international DTTB standard in July, 2015. By adopting several advanced technologies, such as nearcapacity channel coding and modulation as well as improved frame structure, DTMB-A can provide fast system...
This paper evaluates the rate loss of fixed-length spatially-coupled low-density parity-check (SC-LDPC) code compared to the asymptotic performance of such code. In previous works, SC-LDPC with sufficient length of codeword shows excellent asymptotic performance and attracts a lot of attentions. However, when the length of codeword is limited, the performance of SC-LDPC code with limited codeword-length...
For digital terrestrial television broadcasting (DT-TB) systems, orthogonal frequency division multiplexing (OFDM) technique is considered to be an effective method to combat the frequency selective channel cause by multi-path effect. In the single frequency network (SFN) scenario, Alamouti space frequency block coding (SFBC) is introduced to provide spatial diversity gain and improve the link stability...
Multiple-rate multiple-length LDPC codes with near Shannon limit performance at each rate are demanded in the next generation digital television terrestrial broadcasting (DTTB) systems. Row-Combining with Edge Variation (RCEV) codes, which generate higher rate codes by linearly combining the rows of parity-check matrix of a lower rate mother code, are rate-compatible with constant code length and...
In this paper, a new channel coding scheme for the narrowband powerline communication (PLC) system employing quasi-cyclic (QC) low-density parity-check (LDPC) codes of multiple code rate and multiple code length is proposed. Combined with proper constellation mappings, 4 transmission modes can be supported, which provides different error correction capabilities. A comparison with the coding scheme...
This paper summarizes some key features for future Chinese digital television terrestrial broadcasting (DTTB) systems including improved frame structure, transmit diversity, advanced channel coding and modulation, multi-service support, broadcasting return channel solution and etc.
Digital Television/Terrestrial Multimedia Broadcasting (DTMB) is announced as the Chinese Digital Television Terrestrial Broadcasting (DTTB) standard. In the conventional applications, all the transport streams (TS) from various programs are multiplexed in the level of TS packets. Therefore, all the programs should take the same interleaving, constellation mapping and channel coding, and hence the...
Bit-interleaved coded modulation (BICM) is a sub- optimal scheme from the average mutual information (AMI) point of view due to independent demapping. However, this AMI loss can be neglected for signal constellations with Gray mapping at high coding rates. AMI of amplitude-phase shift keying (APSK) constrained additive white Gaussian noise (AWGN) channel is provided in this paper, which shows that...
Technical details of the recently announced Chinese Digital Terrestrial Television Broadcasting Standard which defines the physical layer transmission protocol including the frame structure, channel coding and modulation schemes are discussed in this paper. The major differences between Chinese DTV standard in multi-carrier working mode and DVB-T standard, all occupying the same 8 MHz baseband bandwidth,...
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