稀疏码多址（SCMA）是一种新的频域非正交多址技术，可以提高无线电接入的频谱效率。使用 SCMA，不同的传入数据流直接映射到不同多维食谱的码字，其中每个码字代表一个扩展传输层。多个 SCMA 层共享 OFDMA 的相同时频资源。码字的稀疏性

Packet : SCMASystem-master_2.zip filelist
SCMASystem-master/
SCMASystem-master/Blocks/
SCMASystem-master/Blocks/Receiver.m
SCMASystem-master/Blocks/Transmitter.m
SCMASystem-master/Blocks/Transmitter.m~
SCMASystem-master/Blocks/channelDecoding.m
SCMASystem-master/Blocks/channelEncoding.m
SCMASystem-master/MainSystem.m
SCMASystem-master/README.md
SCMASystem-master/txConfig.m

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