logging in or signing up ADSL Clarice Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 3689 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (1) Added: November 26, 2007 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: smruti.chin2 (38 month(s) ago) how to down load dis ppt Saving..... Post Reply Close Saving..... Edit Comment Close By: myolay (39 month(s) ago) hi , thz Saving..... Post Reply Close Saving..... Edit Comment Close By: amitsaha86 (53 month(s) ago) I want 2 download dis ppt....How can i do dat??? Plz reply soon...My email id is email@example.com Saving..... Post Reply Close Saving..... Edit Comment Close By: amitsaha86 (53 month(s) ago) http://www.authorstream.com/Presentation /Clarice-29947-ADSL-Asymmetric-Digital-S ubscriber-Line-Table-Contents-Introducti on-Advantages-Nyquists-Theorem-as-Entert ainment-ppt-powerpoint/ Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Asymmetric Digital Subscriber Line(ADSL): Asymmetric Digital Subscriber Line (ADSL) Table of Contents: Table of Contents Introduction Advantages Drawbacks ConclusionIntroduction: Introduction High speed data link. Pure network connection. Coming with different schemes: CAP, QAM, and DMT. Using special modems called endpointsSlide4: Server Internet CORE Network ADSL Existing Copper ADSL 1.5 to 9 Mbps 16 to 640 kbps ADSL ConnectionAdvantages: Advantages Connectivity – always connected Ease of use Reliability Security SpeedSlide6: FDM POTS POTS Upstream Upstream Downstream Downstream Echo Cancellation Frequency Frequency 1 Mhz 1 Mhz Create Multiple ChannelNyquist’s Theorem: Nyquist’s Theorem Maximum data rate = 2H log2 V bits/sec H = low-pass filter of bandwidth V = signal discrete levelsDrawbacks: Drawbacks Availability Signal leaking Cost of installation and equipment Not standardizationSlide9: Splitter ADSL modem Phone Phone Telephone line Voice + ADSL Voice (only) ADSL (only) Fig. 1 ADSL Problem Slide10: Splitter ADSL modem Phone Phone Telephone line Voice + ADSL Voice (+ ADSL leakage) ADSL (only) Fig. 2 ADSL Problem ADSL FilterConclusion: Conclusion ADSL is a high speed access to internet. ADSL has advantages but it also has limitations. ADSL needs to extend the access distance. ADSL might improve the speed. ADSL needs to be standardized. You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.