{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,1]],"date-time":"2025-02-01T05:30:04Z","timestamp":1738387804912,"version":"3.35.0"},"reference-count":13,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2008,9,12]],"date-time":"2008-09-12T00:00:00Z","timestamp":1221177600000},"content-version":"vor","delay-in-days":2872,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Trans Emerging Tel Tech"],"published-print":{"date-parts":[[2000,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We analyze the effects of Doppler spread in mobile channels on Orthogonal Frequency Division Multiplex (OFDM) systems. This is important, since channel variations during one OFDM symbol cause Inter Sub\u2010carrier Interference (ICI) in OFDM systems, which degrades the performance, since ICI can be seen as additional near\u2010Gaussian noise. The analysis is presented and closed\u2010form results are given for numerous important practical Doppler spread encountered in mobile channels and applications such as mobile reception of DVB\u2010T. We also show that for the case of asymmetrical Doppler spreads, the frequency correction of the receiver can be adjusted so as to minimize the ICI. To extend our work to OFDM(A) mobile radio systems where many users' contributions to the ICI overlap, we have introduced the concept of an equivalent single\u2010user which causes the total ICI, in order to use the same analytical framework, and compared the uplink and downlink cases. Simulation results confirm our analysis and show the importance of the analytical tool to perform realistic system analysis without having to resort to time consuming time\u2010domain simulations.<\/jats:p>","DOI":"10.1002\/ett.4460110609","type":"journal-article","created":{"date-parts":[[2008,9,12]],"date-time":"2008-09-12T15:00:29Z","timestamp":1221231629000},"page":"585-592","source":"Crossref","is-referenced-by-count":9,"title":["Analysis of Doppler Spread Perturbations in OFDM(A) Systems"],"prefix":"10.1002","volume":"11","author":[{"given":"Patrick","family":"Robertson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefan","family":"Kaiser","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","unstructured":"M.AlardandR.Lassalle Principles of modulation and channel coding for digital broadcasting for mobile receivers.EBU Review pages47\u201369 August1987."},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/TCOM.1971.1090705"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/26.328961"},{"issue":"1","key":"e_1_2_1_5_2","first-page":"4546","article-title":"Terrestrial digital video broadcasting for mobile reception using OFDM","volume":"2","author":"Russel M.","year":"1995","journal-title":"Wireless Personal Comms, Special Issue Multi\u2010Carrier Comms"},{"key":"e_1_2_1_6_2","doi-asserted-by":"crossref","unstructured":"K.MatheusandK.\u2010D.Kammeyer Optimal design of mul\u2010ticamer systems with soft impulse shaping including equalization in time or frequency. 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