Anti-interference routing method for multi-hop ad hoc networks based on link quality factor
A link quality and routing technology, applied in advanced technology, climate sustainability, sustainable communication technology, etc., can solve the problem of inability to quickly respond to complex electromagnetic environments and dynamic and variable conditions of network topology, and increase the computational complexity of routing algorithms , complex protocols, etc., to achieve the effect of alleviating the pressure of network flooding, strong adaptability to dynamic interference environments, and low control overhead
Active Publication Date: 2018-11-13
THE 36TH INST OF CENT MILITARY COMMISSION EQUIP DEV DEPT
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[0008] Therefore, the existing wireless ad hoc network anti-jamming routing protocol, while improving the topology adaptability and environmental adaptability, often at the cost of increasing the control overhead, or increasing the computational complexity of the routing algorithm, resulting in the protocol is too complex to be fast Respond to complex electromagnetic environment and dynamic and changeable network topology
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[0031] figure 1 It is a network layout diagram at a certain moment of an embodiment of an emergency communication multi-hop ad hoc network. figure 2 for figure 1 network topology diagram.
[0032] For such as figure 1 , 2 The multi-hop ad hoc network shown in the present invention is based on the link quality factor multi-hop ad hoc network anti-interference routing method, such as image 3 shown, including the following steps:
[0033] (10) Neighbor node discovery: node sends test packet, other nodes answer test packet, establishes neighbor node list and neighbor link of each node;
[0034] Such as Figure 4 As shown, the (10) neighbor node discovery step includes:
[0035] (11) Sending test packets: Node i resets its own timer and counter after starting up, and after node i joins the network and obtains the allocated time slot synchronously, it broadcasts in its main time slot with a fixed power P s and a fixed sending rate r s packet / s, in the preset window perio...
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The invention discloses a multi-hop ad-hoc-network anti-interference routing method based on a link quality factor. Environment adaptability is high and control cost is less. The method comprises the following steps of (10) neighbor node discovery: a node sends a test pack, other nodes response to the test pack, and a neighbor node list of each node and a neighbor link are established; (20) neighbor link quality prediction: neighbor link forwarding cost is calculated according to a neighbor link stability factor, a symmetry factor and a reliability factor; (30) node routing discovery: a source node sends a routing request, a destination node replies the routing request and the source node discovers the routing according to path forwarding cost from the source node to the destination node.
Description
technical field [0001] The invention belongs to the technical field of multi-hop wireless network routing, in particular to a multi-hop ad hoc network anti-interference routing method based on link quality factor with strong environmental adaptability and low control overhead. Background technique [0002] The wireless ad-hoc network routing needs to adapt to the topology changes caused by node movement or interference, so the routing mechanism generally needs to meet the characteristics of self-adaptation and distribution. In the past, the research on the anti-jamming ability of wireless ad hoc networks focused on the physical layer anti-jamming using directional antennas, MIMO technology, etc., at the MAC layer through channel allocation and scheduling strategies to reduce interference, and at the network layer, mainly design routing algorithms based on interference perception , analyze the impact of interference on network performance, and avoid interference areas to the ...
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IPC IPC(8): H04W40/12H04W40/14H04W40/16H04W24/08
CPCH04W24/08H04W40/12H04W40/14H04W40/16Y02D30/70
Inventor 楼俐范建华贺荣胡永扬吕遵明成洁
Owner THE 36TH INST OF CENT MILITARY COMMISSION EQUIP DEV DEPT