An Efficient Successive Cancellation List Decoder for Polar Codes

被引：0
|
作者：
Lee, Huang-Chang [1 ]
Zhang, Yi-Qin [2 ]
Lee, Hsin-Yu [2 ]
Ucng, Wong -Luh [3 ]
机构：
[1] Chang Gang Univ, Dept Elect Engn, Taipei, Taiwan
[2] Natl Thing Him Univ, Dept Elect Engn, Taipei, Taiwan
[3] Natl Thing Hua Univ, Inst Commun Engn, Dept Elect Engn, Hsinchu, Taiwan
来源：
2019 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS) | 2019年
关键词：
Polar codes; successive cancellation list decoding; hardware implementation;
D O I：
10.1109/iccw.2019.8757183
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Achieving a high decoding throughput using a successive cancellation list (SCL) decoder for polar codes is difficult due to its sequential decoding architecture. In this work, combining the local sorter from a single parity check (SPC) node with a shift-based path memory, a modified fast simplified successive cancellation list (Fast-SSCL) decoder is proposed, in order to provide a high-throughput using a low-complexity implementation. The proposed modified Fast-SSCL decoder can be operated at 470 MHz and was synthesized with an area of 5.26 mm2 using a 'I'S:MC 90 nm CMOS process. The decoder presented in this work is able to improve the throughput to area ratio (TAR) by more than 30% compared with the previous designs.
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页数：6
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