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DOTA: Physical-Layer Decomposing and Threading for ZigBee/Wi-Fi Co-Transmission
- Authors
- Shao, Chenglong; Park, Hoorin; Roh, Heejun; Lee, Wonjun
- Issue Date
- 2월-2019
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- ZigBee; Wi-Fi; cross-technology interference
- Citation
- IEEE WIRELESS COMMUNICATIONS LETTERS, v.8, no.1, pp.133 - 136
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE WIRELESS COMMUNICATIONS LETTERS
- Volume
- 8
- Number
- 1
- Start Page
- 133
- End Page
- 136
- ISSN
- 2162-2337
- Abstract
- The ever-increasing deployment of Wi-Fi and ZigBee networks aggravates cross-technology interference (CTI) in the 2.4 GHz unlicensed spectrum. This letter presents a clean-slate technique, DOTA, to combat the CTI and enable ZigBee/Wi-Fi co-transmission. Unlike existing solutions merely handling Wi-Fi-to-ZigBee interference, DOTA accounts for the true sense of CTI wherein ZigBee and Wi-Fi interfere with each other. At the heart of DOTA lies two operations, signal polishing and pulse disambiguation, for decomposing and threading signal samples to recover contaminated ZigBee and Wi-Fi signals. Experiment results validate the feasibility of superiority of DOTA.
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