8 citations · 39 across the 22 of their papers we have counts for
24 papers
WAIR-D: Wireless AI Research Dataset
Yourui Huangfu, Jian Wang, Shengchen Dai +4
It is a common sense that datasets with high-quality data samples play an important role in artificial intelligence (AI), machine learning (ML) and related studies. However, althou…
System-Level Evaluation of Beam Hopping in NR-Based LEO Satellite Communication System
Jingwei Zhang, Dali Qin, Chuili Kong +4
Satellite communication by leveraging the use of low earth orbit (LEO) satellites is expected to play an essential role in future communication systems through providing ubiquitous…
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…
Distributed Learning for Time-varying Networks: A Scalable Design
Jian Wang, Yourui Huangfu, Rong Li +2
The wireless network is undergoing a trend from "onnection of things" to "connection of intelligence". With data spread over the communication networks and computing capability enh…
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…
Fast polar codes for terabits-per-second throughput communications
Jiajie Tong, Xianbin Wang, Qifan Zhang +4
Targeting high-throughput and low-power communications, we implement two successive cancellation (SC) decoders for polar codes. With ASIC technology, the area efficiency and…
Integrated Communication and Navigation for Ultra-Dense LEO Satellite Networks: Vision, Challenges and Solutions
Yu Wang, Hejia Luo, Ying Chen +3
Next generation beyond 5G networks are expected to provide both Terabits per second data rate communication services and centimeter-level accuracy localization services in an effic…
Improving the Gilbert-Varshamov Bound by Graph Spectral Method
Zicheng Ye, Huazi Zhang, Rong Li +3
We improve Gilbert-Varshamov bound by graph spectral method. Gilbert graph is a graph with all vectors in as vertices where two vertices are adjacent i…
Cooperative Beam Hopping for Accurate Positioning in Ultra-Dense LEO Satellite Networks
Yu Wang, Ying Chen, Yunfei Qiao +4
In ultra-dense LEO satellite networks, conventional communication-oriented beam pattern design cannot provide multiple favorable signals from different satellites simultaneously, a…
The Complete Affine Automorphism Group of Polar Codes
Yuan Li, Huazi Zhang, Rong Li +4
Recently, a permutation-based successive cancellation (PSC) decoding framework for polar codes attaches much attention. It decodes several permuted codewords with independent succe…
On the Weight Spectrum of Pre-Transformed Polar Codes
Yuan Li, Huazi Zhang, Rong Li +3
Polar codes are the first class of channel codes achieving the symmetric capacity of the binary-input discrete memoryless channels with efficient encoding and decoding algorithms.…
Toward Terabits-per-second Communications: Low-Complexity Parallel Decoding of -Coset Codes
Xianbin Wang, Jiajie Tong, Huazi Zhang +3
Recently, a parallel decoding framework of -coset codes was proposed. High throughput is achieved by decoding the independent component polar codes in parallel. Various algori…
Toward Terabits-per-second Communications: A High-Throughput Hardware Implementation of -Coset Codes
Jiajie Tong, Xianbin Wang, Qifan Zhang +4
Recently, a parallel decoding algorithm of -coset codes was proposed.The algorithm exploits two equivalent decoding graphs.For each graph, the inner code part, which consists…
A Soft Cancellation Decoder for Parity-Check Polar Codes
Jiajie Tong, Huazi Zhang, Xianbin Wang +3
Polar codes has been selected as the channel coding scheme for 5G new radio (NR) control channel. Specifically, a special type of parity-check polar (PC-Polar) codes was adopted in…
Realistic Channel Models Pre-training
Yourui Huangfu, Jian Wang, Chen Xu +5
In this paper, we propose a neural-network-based realistic channel model with both the similar accuracy as deterministic channel models and uniformity as stochastic channel models.…
Reinforcement Learning for Nested Polar Code Construction
Lingchen Huang, Huazi Zhang, Rong Li +2
In this paper, we model nested polar code construction as a Markov decision process (MDP), and tackle it with advanced reinforcement learning (RL) techniques. First, an MDP environ…
Learning to Flip Successive Cancellation Decoding of Polar Codes with LSTM Networks
Xianbin Wang, Huazi Zhang, Rong Li +4
The key to successive cancellation (SC) flip decoding of polar codes is to accurately identify the first error bit. The optimal flipping strategy is considered difficult due to lac…
AI Coding: Learning to Construct Error Correction Codes
Lingchen Huang, Huazi Zhang, Rong Li +2
In this paper, we investigate an artificial-intelligence (AI) driven approach to design error correction codes (ECC). Classic error correction code was designed upon coding theory…
Predicting the Mumble of Wireless Channel with Sequence-to-Sequence Models
Yourui Huangfu, Jian Wang, Rong Li +4
Accurate prediction of fading channel in the upcoming transmission frame is essential to realize adaptive transmission for transmitters, and receivers with the ability of channel p…
A Flip-Syndrome-List Polar Decoder Architecture for Ultra-Low-Latency Communications
Huazi Zhang, Jiajie Tong, Rong Li +5
We consider practical hardware implementation of Polar decoders. To reduce latency due to the serial nature of successive cancellation (SC), existing optimizations improve parallel…
Polarization Weight Family Methods for Polar Code Construction
Yue Zhou, Rong Li, Huazi Zhang +2
Polar codes are the first proven capacity-achieving codes. Recently, they are adopted as the channel coding scheme for 5G due to their superior performance.A polar code for encodin…
Reed-Muller Sequences for 5G Grant-free Massive Access
Huazi Zhang, Rong Li, Jun Wang +2
We propose to use second order Reed-Muller (RM) sequence for user identification in 5G grant-free access. The benefits of RM sequences mainly lie in two folds, (i) support of much…
Parity-Check Polar Coding for 5G and Beyond
Huazi Zhang, Rong Li, Jian Wang +5
In this paper, we propose a comprehensive Polar coding solution that integrates reliability calculation, rate matching and parity-check coding. Judging a channel coding design from…
-expansion: A Theoretical Framework for Fast and Recursive Construction of Polar Codes
Gaoning He, Jean-Claude Belfiore, Xiaocheng Liu +8
In this work, we introduce -expansion, a notion borrowed from number theory, as a theoretical framework to study fast construction of polar codes based on a recursive structure…