A Graph-Based Collision Resolution Scheme for Asynchronous Unsourced Random Access - Li, Tianya; Wu, Yongpeng; Zhang, Wenjun; Xia, Xiang-Gen; Xiao, Chengshan (IEEE Global Communications Conference (Online), 2023)
Keywords: Channel estimation; Collision resolution; Constellation diagram; MIMO; MIMO communication; OFDM; Parity check codes; Quantization (signal); Signal resolution; timing and frequency offsets; unsourced random access