Bluetooth Mesh energy efficiency routing method based on wake-up time prediction
A wake-up time and routing technology, applied in the field of Bluetooth, can solve problems such as frequent monitoring of BLE devices, reduced battery life of BLE devices, and battery impact on user experience.
Active Publication Date: 2020-07-14
NANTONG UNIVERSITY
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Problems solved by technology
In the application environment with many BLE devices, the current Mesh solution has an excessively large message forwarding scale, resulting in frequent monitoring and forwarding of data by BLE devices, which reduces the battery life of BLE devices.
In addition, in the process of mutual interaction between nodes in the Mesh network, some nodes are always or frequently in the working state, which will make the battery-powered BLE device's battery life in the Mesh network too short, and frequent battery replacement will affect the user experience.
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[0152] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0153] see Figure 1-5 , the present invention provides a technical solution: the present invention provides the following technical solution: a Bluetooth Mesh energy efficiency routing method based on wake-up time prediction, in this method, after the Mesh networking is completed, the proxy node and all relay nodes in the network Under the premise that the basic routing information of all nodes has been stored, the proxy node can send a routing request packet...
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The invention discloses a Bluetooth Mesh energy efficiency routing method based on wake-up time prediction. The method comprises the steps: an agent node retrieves all routing information from a source node to a target node according to a client instruction, collects the comprehensive evaluation value and energy information of a routing path through transmitting a routing request data package, andselects an optimal routing path; the relay node sequentially predicts the wake-up time of the next relay node and relays the routing request data packet to the next node; the target node analyzes therouting request data packet, comprehensively evaluates the hop count, the energy and the delay information of each path, and feeds back an obtained comprehensive evaluation value to the source node.The method has the characteristics that the response delay is low, the error-tolerant rate is high, and the whole Mesh network is convenient for a user to use for a longer time under the condition oflimited energy.
Description
technical field [0001] The invention relates to the technical field of Bluetooth, in particular to a Bluetooth Mesh energy efficiency routing method based on wake-up time prediction. Background technique [0002] Bluetooth Mesh technology is mainly used in the scene of mesh network and two-way data transmission. The biggest improvement between Mesh network and traditional Bluetooth is to extend "one-to-one" communication to "one-to-many" communication, and expand the communication range through multi-hop data transmission. Bluetooth Mesh can connect and communicate with multiple devices indoors without a base station. It is mainly divided into proxy nodes, relay nodes, friendly neighbor nodes, and low-power nodes. [0003] However, current Mesh solutions such as CSR Mesh or the Mesh protocol specification proposed by the SIG all use broadcast flooding (Flooding) for communication. In an application environment with many BLE devices, the current Mesh solution has an excessi...
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Login to View More IPC IPC(8): H04W40/02H04W40/10
CPCH04W40/02H04W40/10Y02D30/00Y02D30/70
Inventor杨永杰李良程孙强居金娟曹埔铭李翔宇
OwnerNANTONG UNIVERSITY