ZigZag decoding : combating hidden terminals in wireless networks
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008.
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| Format: | Thesis |
| Language: | eng |
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Massachusetts Institute of Technology
2009
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| Online Access: | http://hdl.handle.net/1721.1/44376 |
| _version_ | 1826215053453426688 |
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| author | Gollakota, Shyamnath (Shyamnath Venkata Satyasrisai) |
| author2 | Dina Katabi. |
| author_facet | Dina Katabi. Gollakota, Shyamnath (Shyamnath Venkata Satyasrisai) |
| author_sort | Gollakota, Shyamnath (Shyamnath Venkata Satyasrisai) |
| collection | MIT |
| description | Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008. |
| first_indexed | 2024-09-23T16:15:47Z |
| format | Thesis |
| id | mit-1721.1/44376 |
| institution | Massachusetts Institute of Technology |
| language | eng |
| last_indexed | 2024-09-23T16:15:47Z |
| publishDate | 2009 |
| publisher | Massachusetts Institute of Technology |
| record_format | dspace |
| spelling | mit-1721.1/443762019-04-12T09:52:49Z ZigZag decoding : combating hidden terminals in wireless networks Zig Zag decoding : combating hidden terminals in wireless networks Gollakota, Shyamnath (Shyamnath Venkata Satyasrisai) Dina Katabi. Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science. Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science. Electrical Engineering and Computer Science. Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008. Includes bibliographical references (leaves 59-62). This thesis presents ZigZag, an 802.11 receiver that combats hidden terminals. ZigZag exploits 802.11 retransmissions which, in the case of hidden terminals, cause successive collisions. Due to asynchrony, these collisions have different interference-free stretches at their start, which ZigZag uses to bootstrap its decoding. ZigZag makes no changes to the 802.11 MAC and introduces no overhead when there are no collisions. But, when senders collide, ZigZag attains the same throughput as if the colliding packets were a priori scheduled in separate time slots. We build a prototype of ZigZag in GNU Radio. In a testbed of 14 USRP nodes, ZigZag reduces the average packet loss rate at hidden terminals from 82.3% to about 0.7%. by Shyamnath Gollakota S.M. 2009-01-30T16:39:02Z 2009-01-30T16:39:02Z 2008 2008 Thesis http://hdl.handle.net/1721.1/44376 276947787 eng M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582 62 leaves application/pdf Massachusetts Institute of Technology |
| spellingShingle | Electrical Engineering and Computer Science. Gollakota, Shyamnath (Shyamnath Venkata Satyasrisai) ZigZag decoding : combating hidden terminals in wireless networks |
| title | ZigZag decoding : combating hidden terminals in wireless networks |
| title_full | ZigZag decoding : combating hidden terminals in wireless networks |
| title_fullStr | ZigZag decoding : combating hidden terminals in wireless networks |
| title_full_unstemmed | ZigZag decoding : combating hidden terminals in wireless networks |
| title_short | ZigZag decoding : combating hidden terminals in wireless networks |
| title_sort | zigzag decoding combating hidden terminals in wireless networks |
| topic | Electrical Engineering and Computer Science. |
| url | http://hdl.handle.net/1721.1/44376 |
| work_keys_str_mv | AT gollakotashyamnathshyamnathvenkatasatyasrisai zigzagdecodingcombatinghiddenterminalsinwirelessnetworks |