Simultaneous Bi-Directional Communications and Data Forwarding Using a Single ZigBee Data Stream
Simultaneous Bi-Directional Communications and Data Forwarding Using a Single ZigBee Data Stream
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使用单个 ZigBee 数据流同时进行双向通信和数据转发
DOI:
10.1109/tnet.2021.3054339
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发表时间:
2021-04
期刊:
影响因子:
--
通讯作者:
Ting Zhu
中科院分区:
文献类型:
--
作者:
Zicheng Chi;Yan Li;Hongyu Sun;Zhichuan Huang;Ting Zhu
With the exponentially increasing number of Internet of Things (IoT) devices and the huge volume of data generated by these devices, there is a pressing need to investigate a more efficient communication method in both frequency and time domains at the edge of IoT networks. In this paper, we present Amphista, a novel cross-layer design for IoT communication and data forwarding that can more efficiently utilize the ever increasingly crowded 2.4 GHz spectrum near the gateway. Specifically, to enable the communication from ZigBee to WiFi, we leverage WiFi’s fine-grained channel state information to extract the concurrently transmitted ZigBee-to-WiFi message from time overlapped ZigBee and WiFi packet. We further leverage this unique feature and design a novel forwarding protocol that can simultaneously forward uplink (e.g., collecting sensing data) and downlink (e.g., disseminating control messages) data by using a single ZigBee data stream. Our extensive experimental results show that Amphista significantly improves throughput (by up to 400x) and reduces the latency.
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DOI:
10.1145/345910.345925
发表时间:
2000-08
期刊:
--
影响因子:
--
作者:
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通讯作者:
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期刊:
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影响因子:
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影响因子:
3.7
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影响因子:
7.9
作者:
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通讯作者:
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DOI:
10.1145/3356250.3360046
发表时间:
2019-11
期刊:
Proceedings of the 17th Conference on Embedded Networked Sensor Systems
影响因子:
--
作者:
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通讯作者:
Zicheng Chi;Yan Li;Xin Liu;Yao Yao-Yao;Yanchao Zhang;Ting Zhu