214 citations · 311 across the 55 of their papers we have counts for
58 papers
Construction and Design of MPAC Codes
Fangbo Yi, Zuoxin Cai, Zhongjun Yang +4
This paper proposes modified polarization-adjusted convolutional (MPAC) codes and their hybrid decoding that achieves an improved performance-complexity tradeoff. For MPAC codes, o…
GII-Polar Codes for Block Fading Channels
Fangbo Yi, Zhongjun Yang, Xinzheng He +2
Polar codes are proven to be capacity-achieving codes, being gradually practiced in wireless communications. However, their successive cancellation (SC) and successive cancellation…
A Path-Survival Analytical Framework for SCL Decoding of Polar Codes
Xianbin Wang, Zhichao Liu, Yuan Li +4
A theoretical analysis of CRC-aided successive cancellation list (CA-SCL) decoding for polar codes remains an open problem, despite its widespread practical adoption. While low-den…
Beyond 1N Decoding: Capacity-Aware Rateless Polar Codes for IR-HARQ
Huazi Zhang, Xianbin Wang, Jiajie Tong +2
This paper introduces a novel framework for polar codes, designed for flexible Incremental Redundancy Hybrid Automatic Repeat Request (IR-HARQ). By generalizing the decoding order…
Stitched Polar Codes
Yuan Li, Zicheng Ye, Huazi Zhang +4
In this paper, we introduce stitched polar codes, a novel generalization of Arıkan's regular polar codes. Our core methodology reconfigures the fundamental polarization process by…
Partial Orders in Rate-Matched Polar Codes
Zhichao Liu, Liuquan Yao, Yuan Li +4
In this paper, we establish the partial order (POs) for both the binary erasure channel (BEC) and the binary memoryless symmetric channel (BMSC) under any block rate-matched polar…
Coded Water-Filling for Multi-User Interference Cancellation
Yuan Li, Zicheng Ye, Huazi Zhang +3
In this paper, we study the system-level advantages provided by rateless coding, early termination and power allocation strategy for multiple users distributed across multiple cell…
On the Weight Spectrum of Rate-Compatible Polar Codes
Zicheng Ye, Yuan Li, Zhichao Liu +4
The weight spectrum plays a crucial role in the performance of error-correcting codes. Despite substantial theoretical exploration of polar codes with mother code length, a framewo…
Adaptive Perturbation Enhanced SCL Decoder for Polar Codes
Xianbin Wang, Huazi Zhang, Jiajie Tong +2
For polar codes, successive cancellation list (SCL) decoding algorithm significantly improves finite-length performance compared to SC decoding. SCL-flip decoding can further enhan…
Achievability Bounds on Unequal Error Protection Codes
Liuquan Yao, Shuai Yuan, Yuan Li +4
Unequal error protection (UEP) codes can facilitate the transmission of messages with different protection levels. In this paper, we study the achievability bounds on UEP by the ge…
Modified OSD Algorithm with Reduced Gaussian Elimination
Marc Fossorier, Mahdi Shakiba-Herfeh, Huazi Zhang
In this paper, the OSD algorithm is modified to perform a limited GE with complexity for an linear block code of rate .
New Partial Orders of Polar Codes for BMSC
Liuquan Yao, Zhichao Liu, Yuan Li +4
In this paper, we define partial orders (POs) of polar codes based on the Bhattacharyya parameter and the bit-error probability, respectively. These POs are applicable to arbitrary…
Second-Order Identification Capacity of AWGN Channels
Zhicheng Liu, Yuan Li, Huazi Zhang +3
In this paper, we establish the second-order randomized identification capacity (RID capacity) of the Additive White Gaussian Noise Channel (AWGNC). On the one hand, we obtain a re…
On the Performance of Low-complexity Decoders of LDPC Codes
Qingqing Peng, Dawei Yin, Dongxu Chang +4
Efficient decoding is crucial to high-throughput and power-sensitive wireless communication scenarios. A theoretical analysis of the performance-complexity tradeoff toward low-comp…
Achieving the Fundamental Limit of Lossless Analog Compression via Polarization
Shuai Yuan, Liuquan Yao, Yuan Li +4
In this paper, we study the lossless analog compression for i.i.d. nonsingular signals via the polarization-based framework. We prove that for nonsingular source, the error probabi…
Entropic Conditional Central Limit Theorem and Hadamard Compression
Zhi-Ming Ma, Liu-Quan Yao, Shuai Yuan +1
We make use of an entropic property to establish a convergence theorem (Main Theorem), which reveals that the conditional entropy measures the asymptotic Gaussianity. As an applica…
On the Weight Distribution of Weights Less than in Polar Codes
Zicheng Ye, Yuan Li, Huazi Zhang +3
The number of low-weight codewords is critical to the performance of error-correcting codes. In 1970, Kasami and Tokura characterized the codewords of Reed-Muller (RM) codes whose…
On the Weight Spectrum Improvement of Pre-transformed Reed-Muller Codes and Polar Codes
Yuan Li, Zicheng Ye, Huazi Zhang +3
Pre-transformation with an upper-triangular matrix (including cyclic redundancy check (CRC), parity-check (PC) and polarization-adjusted convolutional (PAC) codes) improves the wei…
Theoretical Bounds for the Size of Elementary Trapping Sets by Graphic Methods
Haoran Xiong, Zicheng Ye, Huazi Zhang +6
Elementary trapping sets (ETSs) are the main culprits for the performance of LDPC codes in the error floor region. Due to the large quantity, complex structures, and computational…
Universal Polar Coding for Parallel Gaussian Channels with Non-Binary Inputs and Its Applications to HARQ and MIMO
Bin Li, Jiaqi Gu, Huazi Zhang
In this paper, we first propose an universal polar coding scheme for parallel Gaussian channels with non-binary inputs. It is assumed that the encoder knows only the sum capacity o…
On the Message Passing Efficiency of Polar and Low-Density Parity-Check Decoders
Dawei Yin, Yuan Li, Xianbin Wang +8
This study focuses on the efficiency of message-passing-based decoding algorithms for polar and low-density parity-check (LDPC) codes. Both successive cancellation (SC) and belief…
Deterministic Identification over Channels without CSI
Yuan Li, Xianbin Wang, Huazi Zhang +4
Identification capacities of randomized and deterministic identification were proved to exceed channel capacity for Gaussian channels \emph{with} channel side information (CSI). In…
The Complete SC-invariant Affine Automorphisms of Polar Codes
Zicheng Ye, Yuan Li, Huazi Zhang +4
Automorphism ensemble (AE) decoding for polar codes was proposed by decoding permuted codewords with successive cancellation (SC) decoders in parallel and hence has lower latency c…
A unified polar decoder platform for low-power and low-cost devices
Jiajie Tong, Qifan Zhang, Huazi Zhang +3
In this paper, we design a polar decoding platform for diverse application scenarios that require low-cost and low-power communications. Specifically, prevalent polar decoders such…