Free-ride feedback and superposition retransmission over LDPC coded links

Q Wang, S Cai, Y Wang, X Ma - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, we propose a new transmission scheme for the scenario where two nodes
attempt to exchange messages and the conventional low-density parity-check (LDPC) codes …

Free-ride coding for constructions of coupled LDPC codes

Q Wang, S Cai, X Ma - IEEE Transactions on Communications, 2023 - ieeexplore.ieee.org
Free-ride coding, as an approach that admits transmission of a few extra bits over a low-
density parity-check (LDPC) coded link without bandwidth expansion, is applied in this …

Free ride on LDPC coded transmission

S Cai, S Zhao, X Ma - IEEE Transactions on Information Theory, 2021 - ieeexplore.ieee.org
In this paper, we formulate the problem to cope with the transmission of extra bits over an
existing coded transmission link (referred to as coded payload link) without any cost of extra …

A type-aware coding approach for unequal message protection

X Yao, H Wan, X Ma - Physical Communication, 2022 - Elsevier
In this paper, to achieve an unequal message protection (UMP), we propose a type-aware
coding approach. The proposed approach can be used to construct a UMP code with …

Implicit globally-coupled LDPC codes using free-ride coding

X Ma, Q Wang, M Xie, S Cai - 2022 IEEE Wireless …, 2022 - ieeexplore.ieee.org
In this paper, we present a new construction of the globally-coupled LDPC (GC-LDPC)
codes, referred to as implicit GC-LDPC codes, where the additional global parity-check bits …

Implicit partial product-LDPC codes using free-ride coding

X Ma, Q Wang, S Cai, X Xie - ICC 2022-IEEE International …, 2022 - ieeexplore.ieee.org
In this paper, we propose a new construction of product codes, where the whole information
array is protected row-by-row by a low-density parity-check (LDPC) code while only a …

Free-Ride Transmission of Semantic Features in Wireless Video Surveillance Systems

J Chen, Y Wang, Q Wang, H Wan… - 2024 IEEE Wireless …, 2024 - ieeexplore.ieee.org
This paper is concerned with the wireless video surveillance systems, which were widely
deployed and now augmented by edge computing. Armed with the edge computing, on …

Partial product-LDPC codes without rate loss

Q Wang, S Cai, F Meng, L Chen… - 2022 IEEE/CIC …, 2022 - ieeexplore.ieee.org
In this paper, we present a new construction of product codes, where all rows of the
information array are encoded using the low-density parity-check (LDPC) codes while only …

Transmitting extra bits with cyclically shifted LDPC codes

Y Wang, M Jiang, X Ma - IEEE Wireless Communications …, 2021 - ieeexplore.ieee.org
In this letter, we propose a simple yet efficient coding scheme to transmit extra bits by
cyclically shifting a low-density parity-check (LDPC) coded sequence without any additional …

Improving Performance of LDPC-Coded Links via Partial Superposition Retransmission

Y Wang, Q Wang, M Jiang, X Ma - Journal of Communications …, 2022 - ieeexplore.ieee.org
In this paper, we propose a transmission scheme for uplink and downlink transmissions,
where the fifth generation (5G) low-density parity-check (LDPC) codes are implemented for …