研究目的
Proposing a topology variable routing algorithm (TVRA) in On-Body networks to prolong the network lifetime on the premise of energy balance under the normal state of the network and ensure that the abnormal data can be sent with the lowest delay when the network is abnormal.
研究成果
The proposed TVRA routing algorithm effectively balances energy consumption among wearable wireless sensor nodes to prolong network lifetime under normal conditions and ensures low delay transmission of abnormal data by switching to single-hop routing, making it suitable for disaster rescue scenarios.
研究不足
The study focuses on simulation results and may not fully capture real-world complexities such as dynamic environmental conditions and varying node mobility patterns.
1：Experimental Design and Method Selection:
The study proposes a topology variable routing algorithm (TVRA) for On-Body networks, which includes multi-hop routing under normal network conditions and single-hop routing under abnormal conditions.
2：Sample Selection and Data Sources:
The simulation involves 15 sensor nodes and 1 coordinator in an On-body network.
3：List of Experimental Equipment and Materials:
Parameters include node energy, transmission distance, power amplification factor, energy consumption model of channel, energy consumption factor for wireless transmitter and receiver of the wearable sensor node.
4：Experimental Procedures and Operational Workflow:
The algorithm initializes network state, determines node states, selects next hop based on energy balance index, and switches to single-hop routing upon detecting abnormality.
5：Data Analysis Methods:
The performance of TVRA is evaluated in terms of network lifetime and delay through simulation.
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