{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,29]],"date-time":"2023-10-29T05:05:46Z","timestamp":1698555946828},"reference-count":12,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2008,9,12]],"date-time":"2008-09-12T00:00:00Z","timestamp":1221177600000},"content-version":"vor","delay-in-days":4213,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Trans Emerging Tel Tech"],"published-print":{"date-parts":[[1997,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The paper is focused on the application of perceptron\u2010based neural networks to optimal decision for <jats:italic>M<\/jats:italic>\u2010QAM signals transmitted over nonlinear channels. The decision is performed by two cascaded blocks: the first denotes one of the 4 quadrants and the second selects one of the <jats:italic>M<\/jats:italic>\/4 symbols. A specific initialization procedure has been adopted in order to avoid local minima. The classifier performance, for the specific application, has been evaluated by the <jats:italic>CNR<\/jats:italic> (Carrier to Noise Ratio) <jats:italic>degradation<\/jats:italic> due to nonlinearity (\u03b4<jats:italic>CIN<\/jats:italic>) for a target error rate <jats:italic>P<jats:sub>e<\/jats:sub><\/jats:italic> = 10<jats:sup>\u22123<\/jats:sup>. The results, obtained by Monte Carlo simulations, denote optimal matching with respect to upper bounds obtained with some minor simplifying hypothesis, even if the overall method's effectiveness can be adequate only for mild nonlinearity conditions.<\/jats:p>","DOI":"10.1002\/ett.4460080204","type":"journal-article","created":{"date-parts":[[2008,9,12]],"date-time":"2008-09-12T14:25:02Z","timestamp":1221229502000},"page":"135-139","source":"Crossref","is-referenced-by-count":0,"title":["Letter: Neural classifiers as optimal decision devices for warped M\u2010QAM signal formats"],"prefix":"10.1002","volume":"8","author":[{"given":"Angelo","family":"Bernardini","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Silvia De","family":"Fina","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2008,9,12]]},"reference":[{"key":"e_1_2_1_2_2","volume-title":"Digital transmission theory","author":"Benedetto S.","year":"1987"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/26.44196"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/TCOM.1974.1092061"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/TCOM.1987.1096767"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/72.88169"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/0165-1684(94)90182-1"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/72.363473"},{"key":"e_1_2_1_9_2","volume-title":"Probability, random variables, and stochastic processes","author":"Papoulis A.","year":"1991"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1109\/TCOM.1981.1094911"},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.1109\/72.80290"},{"key":"e_1_2_1_12_2","doi-asserted-by":"publisher","DOI":"10.1109\/5.58343"},{"issue":"4","key":"e_1_2_1_13_2","first-page":"395","article-title":"Performance analysis of new techniques of predistortion with memory in digital radio links","volume":"4","author":"Bemardini A.","year":"1993","journal-title":"ETT"}],"container-title":["European Transactions on Telecommunications"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fett.4460080204","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ett.4460080204","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,28]],"date-time":"2023-10-28T04:42:17Z","timestamp":1698468137000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ett.4460080204"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1997,3]]},"references-count":12,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1997,3]]}},"alternative-id":["10.1002\/ett.4460080204"],"URL":"https:\/\/doi.org\/10.1002\/ett.4460080204","archive":["Portico"],"relation":{},"ISSN":["1124-318X","1541-8251"],"issn-type":[{"value":"1124-318X","type":"print"},{"value":"1541-8251","type":"electronic"}],"subject":[],"published":{"date-parts":[[1997,3]]}}}