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intersymbol interference

   Also found in: Wikipedia 0.01 sec.
intersymbol interference [¦in·tər′sim·bəl ‚in·tər′fir·əns]
(communications)
In a transmission system, extraneous energy from the signal in one or more keying intervals which tends to interfere with the reception of the signal in another keying interval, or the disturbance which results.
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One important advantage of the OFDM transmission technique is that the intersymbol interference (ISI) can be removed if the channel delay spread is less than he inserted guard interval.
Iterative detection and decoding with PIC algorithm for MIMO-OFDM ... by Wang, Zhongpeng / International Journal of Communications, Network and Systems Sciences (IJCNS)
Challenges consist of impairments related to the propagation of the signals themselves, such as insertion loss and intersymbol interference, that are caused by the limited bandwidth and real impedance of the cable itself, plus degradations due to interfering effects, such as echo, near-end crosstalk and far-end crosstalk.
10GigE just fine on copper cabling: 10GBASE-T enables network ... by Zimmerman, George; Tolley, Bruce / Communications News
However, when the CP is not long enough, the orthogonality of the subcarriers is lost, causing intercarrier and intersymbol interference (ICI and ISI), and a prefilter is needed at the receiver to shorten the effective channel to appropriate length.
Performance of fractionally spaced blind channel shortening by Elahmar, S.A.; Djebbari, A.; Bouziani, M.; Rouvaen, J.M. / International Journal of Applied Engineering Research
 
 
 
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