Huawei achieves 27 Gbps using Polar Code in 5G trial

Huawei achieves 27 Gbps using Polar Code in 5G trial

Huawei says it has made a new breakthrough on 5G channel coding by achieving a downlink speed of 27 Gbps using Polar Code technology during a field trial.

The trial used millimeter-wave spectrum and tests were performed under both static and mobile environments, with multiple sessions in parallel based on short and large packets sizes.

Huawei says the trial demonstrates that Polar Code technology can simultaneously meet all three typical use cases of eMBB (up to 20 Gbps), uRLLC (1 ms latency) and mMTC (billions of connections) as per the ITU’s technological benchmarks for 5G as defined under IMT-2020.

Polar Code provides an efficient channel coding technology for 5G, allowing significantly higher spectrum efficiency than current cellular access technologies. Polar Code also has the practical decoding ability of linear complexity in order to minimize the implementation cost of coming 5G equipment.

As such, Huawei says, “Polar Code is the most competitive candidate of channel coding solution for coming 5G.”

Two key properties of Polar Code:

  • On the encoding side, it can optimize channel capacity close to the Shannon limit.
  • On decoding side, by using a simple successive cancelation polarized channel, it allows the similar performance as maximum likelihood decoding with a lower implementation complexity.

Huawei has trialed Polar Code in a 5G setting before. A recent field trial within the activities of the China IMT-2020(5G) Promotion Group in April 2016 found that Polar Code improves spectrum efficiency compared to current RAN networks by a factor of three.

“This achievement provides a key input for the on-going 5G standardization work and positions Polar Code as the best candidate to address channel coding,” Huawei said in a statement.

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