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Method for optimizing cooperative network information and energy transmission in combination with weights of destination nodes

A technology of energy transmission and cooperative network, applied in network topology, wireless communication, services based on specific environments, etc., can solve the problem of information and energy transmission not being considered, and achieve the effect of improving effectiveness

Active Publication Date: 2020-08-25
JILIN UNIV
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Problems solved by technology

[0006] The present invention provides a method for optimizing cooperative network information and energy transmission in conjunction with the weight of the destination node, so as to solve the problem that the information and energy transmission in the wireless network does not consider the resource allocation in combination with the sensor node weight

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  • Method for optimizing cooperative network information and energy transmission in combination with weights of destination nodes
  • Method for optimizing cooperative network information and energy transmission in combination with weights of destination nodes
  • Method for optimizing cooperative network information and energy transmission in combination with weights of destination nodes

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Embodiment Construction

[0091] see Figure 1-4 , figure 1 It is a schematic flow diagram of the method for optimizing cooperative network information and energy transmission by combining the weight of destination nodes. It mainly includes four parts: building a system model, establishing a communication model, proposing a joint weight optimization time slot protocol JWTA, and optimizing system performance.

[0092] figure 2 It is a system model constructed by the present invention, and the model includes multiple nodes, which are source nodes (S), several different types of destination nodes (D) and relay nodes (R), and the relay nodes are located between the source nodes and the destination nodes between. The energy is broadcast from the source node to the relay node and the destination node. After all nodes collect energy, they use the energy they receive to transmit information back. The information flow is sent back to the source by the destination node through the relay cooperation.

[0093] ...

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Abstract

The invention relates to a method for optimizing cooperative network information and energy transmission in combination with weights of destination nodes, and belongs to the field of wireless information transmission, cooperative networks and wireless energy collection. The method comprises: constructing a multi-point information energy transmission network model with a cooperative relay, and realizing information transmission from a source to all destination nodes under the assistance of the relay; establishing a communication model between system nodes, and establishing a transceiving modelof signals between the nodes; proposing a joint node weight optimization time slot allocation protocol in combination with the importance of physiological parameters acquired by the destination sensornode to a human body; proposing and optimizing the concept of system weighted throughput, and improving the effectiveness of system information transmission. Aiming at the current situation that a time allocation protocol of a traditional relay cooperative transmission network, namely, only a transmission time slot is simply optimized, transmission resource allocation and transmission protocol optimization are carried out according to the importance of a destination node, and the proposed optimization method is applied to a wireless transmission network.

Description

technical field [0001] The invention relates to the fields of wireless information transmission, cooperative network and wireless energy collection, in particular to a method for optimizing cooperative network information and energy transmission in conjunction with destination node weights. Background technique [0002] In recent years, the technologies of sensor, communication and computer have developed rapidly, and various portable wireless communication devices have begun to emerge in large numbers. Along with the rapid growth of the wireless sensor network, the wireless body area network (Wireless Body Area Networks, WBAN), as an extension of it, has also become a field of research and development and focus of attention in recent years. The wireless body area network collects various signals of the human body through sensor nodes to monitor the physiological condition in real time, so the information and energy transmission in the transmission network will undoubtedly b...

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Application Information

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IPC IPC(8): H04W4/38H04W24/02H04W24/06H04W72/04H04W72/08H04W84/18H04B7/024H02J50/00
CPCH04W4/38H04W24/02H04W24/06H04W72/0446H04W84/18H04B7/024H02J50/001H04W72/53H04W72/51H04W72/542
Inventor 胡封晔贺明明黄子秋凌壮毛执李爽桂一琳司宇王婷婷
Owner JILIN UNIV
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