J. Cioffi and K. Cheong, "Coexistence of 2-10 Mbps Home-Phone LANS and DMT VDSL via Multiuser Detection," T1E1.4 June 1999. Home/Search Document Not in Database Summary Related Articles Check |
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ADSL System Enhancement with Multiuser Detection - Chu (Correct)
....the desired signal and the crosstalk. We use some simplification methods to reduce the complexity of JMLSE. The technique we proposed is sort of having feedback session between the primary and secondary sequence estimators. Meanwhile, we also review an alternative method, called Tone Zeroing [77] [81] for complexity reduction. Our comments with this method have also been discussed after the reviewing. 6.1 Tone Zeroing Method Using the loading algorithm [78] 79] in DMT system together with the studies on ADSL and SDSL spectral compatibility results, a sub optimum solution on ADSL receiver ....
....As we have discussed in the previous section, the number of the tone being zeroed is depended on the coupling DSL data rate, the ADSL transmitting throughput and its bandwidth. In fact, in very high bit rate DSL (VDSL) just a few zeroed tones lead to a dramatic improvement in minimum distance [81]. The choice of setting tones to zero depends on knowledge of where crosstalk signals have the largest energy, but generally the band of any crosstalk is known, if the various of DSL systems are co located in a Telco CO. Loading algorithms in DMT allow for various tones to be easily zeroed and 86 ....
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J. Cioffi and K. Cheong, "Coexistence of 2-10 Mbps Home-Phone LANS and DMT VDSL via Multiuser Detection," T1E1.4 June 1999.
ADSL System Enhancement with Multiuser Detection - Chu (Correct)
....This method is very successfully used in the wireless network to combat cochannel signals with employing frequency reuse where one or more secondary signals from nearby cells can interfere with the desired signal. It has also been studied in the VDSL system; together with the Home Phone LANs (HPL) [53] and showing very little degradation from the HPL crosstalk with multiuser detection, while large degradation with a single user detector. This thesis employs multiuser detection for the DMT ADSL system to mitigate crosstalk from SDSL systems in the same binder. The goal of this thesis is to ....
J. M. Cioffi, K. W. Cheong, "Coexistence of 2- 10 Mbps Home-Phone LANS and DMT VDSL via Multiuser Detection," TIE1.4/99-333, June 1999.
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