00000nam 2200000zi 4500 9.915282 CaOODSP 20221107183203 m o d f cr mn||||||||| 220909t20102010oncad ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre Co24-3/7-2010-2E-PDF Willink, Tricia Janet, 1966- author. Spatial emissions for MIMO technologies / T.J. Willink. [Ottawa] : Communications Research Centre Canada = Centre de recherches sur les communications Canada, 2010. ©2010 1 online resource (x, 29 pages) : illustrations, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier Technical report ; CRC RP 2010-002 "March 2010." Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. Includes bibliographical references. "In communication systems using a single transmit antenna, the signal energy is emitted according to the antenna pattern, regardless of the data content. In systems using multiple transmit antennas, such as multi-input multi-output (MIMO) systems, the spatial pattern of the signal energy is dependent on the data vector transmitted. For some types of MIMO transmission, there may be a very strong directionality for a subset of data vectors. This directional signal energy has the potential to cause interference to users that would be unaffected by transmission from a single antenna. The MIMO signalling strategies that exhibit the strongest directionality are the same ones that appear in most new and emerging wireless standards. Regulatory intervention may be necessary to ensure that interference levels do not disrupt other licenced users"--Abstract, page i. Includes abstracts in English and French. MIMO systems. Signal processing Mathematical models. Wireless communication systems. Systèmes à entrées multiples et à sorties multiples. Traitement du signal Modèles mathématiques. Transmission sans fil. Communications Research Centre (Canada), issuing body. CRC report ; CRC RP 2010-002. (CaOODSP)9.882492 PDF 4.47 MB https://publications.gc.ca/collections/collection_2022/isde-ised/co24/Co24-3-7-2010-2-eng.pdf