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68 papers · 1 filter
Windowed Decoding for Delayed Bit-Interleaved Coded Modulation
Yihuan Liao, Min Qiu, Jinhong Yuan
Delayed bit-interleaved coded modulation (DBICM) generalizes bit-interleaved coded modulation (BICM) by modulating differently delayed sub-blocks of codewords onto the same signals…
Cooperative Reflection Design with Timing Offsets in Distributed Multi-RIS Communications
Yaqiong Zhao, Wei Xu, Huan Sun +2
This letter investigates a wireless communication system deploying distributed reconfigurable intelligent surfaces (RISs). Existing works have assumed that perfect timing synchroni…
On the Hamming Weight Distribution of Subsequences of Pseudorandom Sequences
Mahyar Shirvanimoghaddam
In this paper, we characterize the average Hamming weight distribution of subsequences of maximum-length sequences (-sequences). In particular, we consider all possible -sequ…
Connecting Spatially Coupled LDPC Code Chains for Bit-Interleaved Coded Modulation
Yihuan Liao, Min Qiu, Jinhong Yuan
This paper investigates the design of spatially coupled low-density parity-check (SC-LDPC) codes constructed from connected-chain ensembles for bit-interleaved coded modulation (BI…
Energy-Efficient Precoding in Electromagnetic Exposure-Constrained Uplink Multiuser MIMO
Jiayuan Xiong, Li You, Derrick Wing Kwan Ng +2
User electromagnetic (EM) exposure is continuously being exacerbated by the evolution of multi-antenna portable devices. To mitigate the effects of EM radiation, portable devices m…
User Grouping and Reflective Beamforming for IRS-Aided URLLC
Hailiang Xie, Jie Xu, Ya-Feng Liu +2
This paper studies an intelligent reflecting surface (IRS)-aided downlink ultra-reliable and low-latency communication (URLLC) system, in which an IRS is dedicatedly deployed to as…