AccelerComm develops PUSCH decoder IP for 5G

February 22, 2021 // By Peter Clarke
AccelerComm develops PUSCH decoder IP for 5G
Channel coding specialist AccelerComm Ltd. (Southampton, England) has developed a shared channel encoder and decoder for 5G radio networks.

The Physical Layer IP increases spectral efficiency and reduces latency. It includes the 5G NR PUSCH (Physical Uplink Shared Channel) decoder and PDSCH (Physical Downlink Shared Channel) encoder. The codec pair build on the company's channel coding and modulation/demodulation IP.

The PUSCH Decoder integrates additional 3GPP physical layer functions together with its low-density parity check (LDPC) decoders, to create a 3GPP-compliant IP package that can be used in custom silicon (ASIC) and programmable hardware (FPGA).

The architecture is flexible so that the performance, power consumption and physical area can be tailored to need.

The PUSCH decoder includes: LDPC decoder with transport block wrapper, polar decoder, demultiplexer, descrambler and QAM demodulator.

The PDSCH encoder includes: LDPC encoder with transport block wrapper,  scrambler and QAM modulator

"This product builds on the existing AccelerComm IP portfolio to enable operators to deliver on the high-performance, low-latency promise of 5G using their existing spectrum and cloud RAN infrastructure." said Robert Barnes, sales vice president of AccelerComm, in a statement.

The specification is as defined in Sections 6.2 and 7.2 of 3GPP document TS 38.212, as well as Sections,, and of TS 38.211.  

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