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Survey of turbo, LDPC and polar decoder ASIC implementations

Survey of turbo, LDPC and polar decoder ASIC implementations
Survey of turbo, LDPC and polar decoder ASIC implementations
Channel coding may be viewed as the best- informed and most potent component of cellular com- munication systems, which is used for correcting the transmission errors inflicted by noise, interference and fading. The powerful turbo code was selected to provide channel coding for Mobile Broad Band (MBB) data in the 3G UMTS and 4G LTE cellular systems. However, the 3GPP standardization group has recently debated whether it should be replaced by Low Density Parity Check (LDPC) or polar codes in 5G New Radio (NR), ultimately reaching the decision to adopt the LDPC code family for enhanced Mobile Broad Band (eMBB) data and polar codes for eMBB control. This paper summarises the factors that influenced this debate, with a particular focus on the Application Specific Integrated Circuit (ASIC) implementation of the decoders of these three codes. We show that the overall implementation complexity of turbo, LDPC and polar decoders depends on numerous other factors beyond their computational complexity. More specifically, we compare the throughput, error correction capability, flexibility, area efficiency and energy efficiency of ASIC implementations drawn from 110 papers and use the results for characterising the advantages and disadvantages of these three codes as well as for avoiding pitfalls and for providing design guidelines.
1553-877X
Shao, Shuai
59ba0bf5-d953-4967-8655-4de394007f2a
Hailes, Peter
952615b5-67fc-4978-a886-c407ae62b892
Wang, Tsang-Yi
7f1c0642-9107-4096-b255-799aff0b3176
Wu, Jwo-Yuh
1c95bdaf-16e4-4c34-85b7-2df0eb2a1c0e
Maunder, Robert
76099323-7d58-4732-a98f-22a662ccba6c
Al-Hashimi, Bashir
0b29c671-a6d2-459c-af68-c4614dce3b5d
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Shao, Shuai
59ba0bf5-d953-4967-8655-4de394007f2a
Hailes, Peter
952615b5-67fc-4978-a886-c407ae62b892
Wang, Tsang-Yi
7f1c0642-9107-4096-b255-799aff0b3176
Wu, Jwo-Yuh
1c95bdaf-16e4-4c34-85b7-2df0eb2a1c0e
Maunder, Robert
76099323-7d58-4732-a98f-22a662ccba6c
Al-Hashimi, Bashir
0b29c671-a6d2-459c-af68-c4614dce3b5d
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Shao, Shuai, Hailes, Peter, Wang, Tsang-Yi, Wu, Jwo-Yuh, Maunder, Robert, Al-Hashimi, Bashir and Hanzo, Lajos (2019) Survey of turbo, LDPC and polar decoder ASIC implementations. IEEE Communications Surveys & Tutorials. (doi:10.1109/COMST.2019.2893851).

Record type: Article

Abstract

Channel coding may be viewed as the best- informed and most potent component of cellular com- munication systems, which is used for correcting the transmission errors inflicted by noise, interference and fading. The powerful turbo code was selected to provide channel coding for Mobile Broad Band (MBB) data in the 3G UMTS and 4G LTE cellular systems. However, the 3GPP standardization group has recently debated whether it should be replaced by Low Density Parity Check (LDPC) or polar codes in 5G New Radio (NR), ultimately reaching the decision to adopt the LDPC code family for enhanced Mobile Broad Band (eMBB) data and polar codes for eMBB control. This paper summarises the factors that influenced this debate, with a particular focus on the Application Specific Integrated Circuit (ASIC) implementation of the decoders of these three codes. We show that the overall implementation complexity of turbo, LDPC and polar decoders depends on numerous other factors beyond their computational complexity. More specifically, we compare the throughput, error correction capability, flexibility, area efficiency and energy efficiency of ASIC implementations drawn from 110 papers and use the results for characterising the advantages and disadvantages of these three codes as well as for avoiding pitfalls and for providing design guidelines.

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Survey of Turbo, LDPC and Polar Decoder ASIC Implementations - Accepted Manuscript
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Accepted/In Press date: 15 January 2019
e-pub ahead of print date: 17 January 2019

Identifiers

Local EPrints ID: 427712
URI: https://eprints.soton.ac.uk/id/eprint/427712
ISSN: 1553-877X
PURE UUID: 038988e3-317b-47cd-b971-e8cdd2b3289f
ORCID for Shuai Shao: ORCID iD orcid.org/0000-0003-4135-7973
ORCID for Robert Maunder: ORCID iD orcid.org/0000-0002-7944-2615
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 25 Jan 2019 17:30
Last modified: 10 Dec 2019 01:58

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