2012/10/01 by Vasilis Ntranos, Ntranos, Vasilis, Viveck R. Cadambe +5 · 1 citation
Computer Science · Engineering · #Advanced MIMO Systems Optimization #Cooperative Communication and Network Coding #FOS: Computer and information sciences #Information Theory (cs.IT) #Wireless Communication Networks Research #Wireless Communication Security Techniques
paper · pdf · doi:10.48550/arxiv.1210.0293
openalex publication_date 2012/10/01 · openalex created_date 2025/10/24 · openalex updated_date 2026/07/28
We study the three-user interference channel where each transmitter has local\nfeedback of the signal from its targeted receiver. We show that in the\nimportant case where the channel coefficients are static, exact alignment can\nbe achieved over two time slots using linear schemes. This is in contrast with\nthe interference channel where no feedback is utilized, where it seems that\neither an infinite number of channel extensions or infinite precision is\nrequired for exact alignment. We also demonstrate, via simulations, that our\nscheme significantly outperforms time-sharing even at finite SNR.\n