Method for low-power transmission of big data information in wireless sensor networks
A wireless sensor and big data technology, applied in the direction of wireless communication, power management, energy consumption reduction, etc., can solve the problem of extra power consumption, achieve the effect of reducing quantity, reducing power consumption, and reducing the probability of data retransmission
Active Publication Date: 2016-12-28
苏州澜普智能技术有限公司
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[0009] The purpose of the present invention is to provide a method for low-power transmission of big data information in a wireless sensor network, which solves the problem of extra power consumption caused by too many control packets during transmission, and further reduces the power consumption of the wireless sensor network
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[0031] This embodiment describes a method for low-power transmission of big data information in a wireless sensor network. The method uses a method of reducing excessive control information during big data transmission to reduce system power consumption. This method uses packet loss in wireless transmission The number adaptively adjusts the number of data packets transmitted at one time, thereby reducing the probability of data loss and retransmission.
[0032] For the above technical solution, the inventor has a further optimized implementation.
[0033] As an optimization, this method implements a block response mechanism in the transmission of big data information, and reduces the energy loss caused by control information in data transmission under the premise of ensuring the quality of data transmission. The block response mechanism means that the sender sends N data packets, the receiver responds with an ACK message, instead of requesting the receiver to respond with an A...
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The invention discloses a low power consumption transmission method for large data information in a wireless sensor network. According to the low power consumption transmission method for the large data information in the wireless sensor network, system power consumption is reduced by reducing overmuch control information during the transmission of large data, the number of data packets transmitted at one time is self-adaptively adjusted according to the number of wireless transmitted lost packets, accordingly a retransmission rate caused by data loss is reduced. The power consumption is reduced through a method of reducing the number of control information during transmission aiming at applications of large data information transmission in the wireless sensor network. The low power consumption transmission method for the large data information in the wireless sensor network has the advantages of firstly achieving a block transmission mechanism and reducing the number of control packet ACK (Acknowledgement character) and secondly being capable of calculating a packet loss rate of continuously transmitting the data last time according to the retransmitted field information in the ACK, self-adaptively adjusting the number of data for continuous retransmission next time andenablingthe purpose of reducing the data retransmission rate to be achieved.
Description
technical field [0001] The invention relates to the field of data transmission of a wireless sensor network, in particular to a method for low-power transmission of large data information in a wireless sensor network. Background technique [0002] In recent years, with the development of wireless communication and electronics, Wireless Sensor Networks (Wireless Senior Networks, referred to as WSN) has become a new network of research and application hotspots. It consists of a large number of micro sensor nodes deployed in the monitoring area. A multi-hop self-organizing network system is formed. However, the working environment of nodes is very complicated, so batteries are generally used for power supply, which leads to very limited energy of nodes, so how to reduce system power consumption and prolong the survival time of the network has always been one of the research focuses of wireless sensor networks. [0003] The energy of wireless sensor network nodes is generally l...
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IPC IPC(8): H04W52/02H04L1/16
CPCY02D30/70
Inventor 周晓明赵荣臻张燕
Owner 苏州澜普智能技术有限公司