{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/28400"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/28400","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Construction and analysis of real-time relay for efficient antenna sharing","abstract":"In this thesis, I present and analyze a real-time intermediate node that promotes low latency transmission of information between two endpoints. Traditional relaying via digital decoding and retransmission has inherent time delay due to limitations in processing requirements at the transceiver, however this delay can be minimized by high speed analog amplification and forwarding rather than by processing the content of the information packets. I use a heterodyne system where the radio signal from the originating node is translated to a new frequency band to retransmit. Latency measurements of less than one microsecond and signal-to-noise ratio loss of 2.3 dB are found. Comparisons with a time domain multiplexing digital relaying scheme show that analog relaying may be advantageous in applications demanding low latency.","abstract_html":"In this thesis, I present and analyze a real-time intermediate node that promotes low latency transmission of information between two endpoints. Traditional relaying via digital decoding and retransmission has inherent time delay due to limitations in processing requirements at the transceiver, however this delay can be minimized by high speed analog amplification and forwarding rather than by processing the content of the information packets. I use a heterodyne system where the radio signal from the originating node is translated to a new frequency band to retransmit. Latency measurements of less than one microsecond and signal-to-noise ratio loss of 2.3 dB are found. Comparisons with a time domain multiplexing digital relaying scheme show that analog relaying may be advantageous in applications demanding low latency.","abstract_has_math":false,"creators":["Halbig, Jeffrey S. (Jeffrey Stephan), 1981-"],"institution":"Massachusetts Institute of Technology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.","school":null,"contributors":[],"advisors":["Andrew Lippman."],"committee_chairs":[],"committee_members":[],"year":2004,"date_issued":"2004","date_published":"2004","updated_at":"2026-07-22T22:21:20Z","subjects":["Electrical Engineering and Computer Science."],"languages":["en_US"],"rights":["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. 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