Data aggregation method based on 6LoWPAN protocol stack

A technology of data aggregation and protocol stack, which is applied in the field of wireless 6LoWPAN protocol stack research, can solve problems such as data transmission delay, achieve the effects of reducing transmission conflicts, saving bandwidth resources, and improving wireless channel utilization

Active Publication Date: 2013-09-04
HUNAN UNIV
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  • Data aggregation method based on 6LoWPAN protocol stack
  • Data aggregation method based on 6LoWPAN protocol stack
  • Data aggregation method based on 6LoWPAN protocol stack

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Embodiment 1

[0063] The core of the present invention is to add a data aggregation function module to the adaptation layer of 6LoWPAN, and perform aggregation processing on IPv6 network layer data packets. The realization of the data aggregation module includes four parts, the data aggregation design of the adaptation layer, the architecture design of the adaptation layer, the realization of the dynamic aggregation mechanism based on the aggregation conditions and the dynamic aggregation algorithm based on the aggregation conditions. Its implementation is as follows:

[0064] 1) First, modify the adaptation layer architecture of 6LoWPAN and add the data aggregation module.

[0065] 2) Initialize the relevant parameters of the aggregation control module, including time granularity T and aggregation degree D, to realize the dynamic aggregation function of the aggregation function module. The default value of D is 0, and its change is related to T. The specific setting of T is: the value of ...

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Abstract

The invention discloses a data aggregation method based on a 6LoWPAN protocol stack. After an adaption layer input queue receives a data package output by a network layer, whether the data package is real-time data or not is judged according to the communication category in a header field, if yes, the data package is directly output to an adaption layer output queue; if no, the data package is processed in a data aggregation mode within time granularity T and then is output to the adaption layer output queue. Data aggregation processing is the fact that received data packages are classified according to the destination addresses in headers of the data packages and data aggregation is conducted according to the aggregation degree D and classification. According to the data aggregation method based on the 6LoWPAN protocol stack, the function of data aggregation is added, a dynamic data aggregation mechanism is achieved to reduce the data communication traffic between the network layer and an MAC layer, and the real-time performance of a network is improved.

Description

technical field [0001] The invention relates to a data aggregation method based on a 6LoWPAN protocol stack, and belongs to the research field of the wireless 6LoWPAN protocol stack. Background technique [0002] The perception layer of the Internet of Things (IoT) is composed of a large number of embedded devices with limited resources such as energy, computing power and storage capacity. These resource-constrained embedded devices are wirelessly interconnected into a low-power, low-bandwidth wireless network. Realizing the interconnection among heterogeneous embedded devices in the wireless sensor network and better seamlessly connecting the embedded devices in the network with the existing IP Internet have become new challenges for today's wireless sensor networks. [0003] IETF formally established the (IPv6over Low Power Wireless Personal Area Network) 6LoWPAN working group in November 2004 to introduce IPv6 into the wireless personal area network with IEEE802.15.4 as ...

Claims

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Application Information

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IPC IPC(8): H04W28/02H04W52/02H04W80/00
CPCY02D30/70
Inventor 罗娟潘陈汪攀武
Owner HUNAN UNIV
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