{"paper":{"title":"On Non-coherent MIMO Channels in the Wideband Regime: Capacity and Reliability","arxiv_id":"cs/0603018","primary_cat":"cs.IT","submitted_at":"2006-03-03T22:41:58+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. 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freedom.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.95,"main_claim_p":0.08,"quantitative":false,"quantitative_p":0.06,"role_probabilities":{"gap":0.0,"method":0.02,"result":0.01,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.97,"interpretation":0.0}},{"i":2,"p":0.7,"id":"s2","own":true,"role":"result","text":"We establish conditions on the coherence length and number of antennas for the non-coherent channel to have a \"near coherent\" performance in the wideband regime.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.95,"main_claim_p":0.22,"quantitative":false,"quantitative_p":0.32,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.7,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.3,"interpretation":0.0}},{"i":3,"p":0.86,"id":"s3","own":true,"role":"contribution","text":"We also propose a signaling scheme that is near-capacity achieving in this regime.","hedge":{"p":0.93,"label":"asserted"},"own_p":0.95,"main_claim_p":0.13,"quantitative":false,"quantitative_p":0.11,"role_probabilities":{"gap":0.0,"method":0.14,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.86,"interpretation":0.0}},{"i":4,"p":0.94,"id":"s4","own":true,"role":"contribution","text":"We compute the error probability for this wideband non-coherent MIMO channel and study its dependence on SNR, number of transmit and receive antennas and coherence length.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.96,"main_claim_p":0.07,"quantitative":false,"quantitative_p":0.06,"role_probabilities":{"gap":0.0,"method":0.04,"result":0.02,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.94,"interpretation":0.0}},{"i":5,"p":1.0,"id":"s5","own":true,"role":"result","text":"We show that error probability decays inversely with coherence length and exponentially with the product of the number of transmit and receive 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