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Sparse code multiple access (SCMA) is a new kind of multiple access (MA) technology which ranks one of the most promising candidates for 5G wireless because of its outstanding performance. SCMA enjoys stronger overloading tolerance compared with traditional MA technologies. It also takes the advantage of sparse property to achieve lower complexity when using message passing algorithm (MPA). In this...
Sparse code multiple access (SCMA) is a new kind of multiple access (MA) technology which ranks one of the most promising candidates for 5G wireless because of its outstanding performance. SCMA enjoys stronger overloading tolerance compared with traditional MA technologies. It also takes the advantage of sparse property to achieve lower complexity when using message passing algorithm (MPA). In this...
This paper presents a high-throughput GCM VLSI architecture fully compliant to IEEE 802.1ae applications, which can be operated in all modes specified in the standard. Unlike previous works, with the modified parallel GHASH module, the design implements encryption efficiently without knowing the total number of data blocks in advance. Furthermore, a fully subpipelined version of loop-free key expansion...
In this paper, an efficient high-speed low-density parity-check (LDPC) decoder is presented. Single minimum decoding and non-uniform quantization schemes are explored to reduce the complexity of computation core and the memory requirement. Shifting structure is incorporated to significantly reduce the routing complexity of the LDPC decoder. The implementation of an 8192-bit LDPC decoder demonstrates...
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