A Novel Synchronous Duplexing Method for Long Distance Wireless Backhaul System

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In this letter, we propose a new synchronous duplexing scheme for a long distance wireless backhaul system. In conventional time-division duplexing, a backhaul system can transmit its data only after the transmission of the opposite backhaul system is finished. Thus, any propagation delay caused by long distances leads to a long guard time. However, in our proposed scheme, both local and remote backhaul systems transmit their down and up-link data to each other simultaneously. Thus, even for a long propagation delay, the time for which the channel is not used, which is called the feedback delay, can be effectively reduced. We conduct a mathematical analysis to derive the theoretical efficiency of the proposed scheme and show simulation results indicating the superiority of the proposed scheme in terms of synchronization error and propagation delay.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2019-06
Language
English
Article Type
Article
Citation

IEEE WIRELESS COMMUNICATIONS LETTERS, v.8, no.3, pp.761 - 764

ISSN
2162-2337
DOI
10.1109/LWC.2019.2891531
URI
http://hdl.handle.net/10203/263196
Appears in Collection
EE-Journal Papers(저널논문)
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