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A fine uplink resource scheduling method in smart grid communication

A smart grid communication and resource scheduling technology, applied in wireless communication, electrical components, etc., can solve problems affecting resource allocation accuracy, wireless resource waste, etc., and achieve the effect of improving system resource utilization and efficiency

Inactive Publication Date: 2017-10-13
UNIV OF SCI & TECH OF CHINA +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, there will be some discrepancies between the buffered amount of UE uplink data to be sent obtained by the scheduler and the actual situation, and this discrepancy will affect the accuracy of resource allocation, resulting in a waste of wireless resources

Method used

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  • A fine uplink resource scheduling method in smart grid communication
  • A fine uplink resource scheduling method in smart grid communication
  • A fine uplink resource scheduling method in smart grid communication

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Embodiment Construction

[0046] For example: the amount of SM data collected by a DA is relatively small, only 430 bytes. According to the BSR index value corresponding to the non-uniform quantization table is 25, when allocating resources to the DA, the eNB takes the cache corresponding to the index value 25 The upper limit is 440 bytes, because the size of these buffer intervals does not include the number of bytes occupied by the header information of RLC and MAC, so we need to allocate a little more appropriately when allocating resources to this logical channel group. The waste is very small, so there is no need to query the second representative.

[0047] If the amount of SM data collected by a DA is relatively large, 129,000 bytes, the BSR index value corresponding to the non-uniform quantization table is 62, and resources are allocated to the DA at this time, and the eNB takes the cache upper limit of the interval corresponding to the index value 62 , that is, 150,000 bytes, the number of wast...

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Abstract

The invention provides a method for precisely scheduling uplink resources in intelligent network communication. The size of data cached by UE is expressed by cache size index columes in a BSR frame format, and under the larger cache condition, the resources are quite severely wasted. In order to effectively reduce the resource waste condition, the process for sending the report of the status of the uplink data cache domain includes the following steps of refining a cache size section corresponding to a large cache value, setting secondary tables respectively provided with 64 index values for all sub-sections of the cache size section respectively, determining whether to search the secondary tables through a reserved bit position in a sub-head-portion of an MAC control unit or not, and more precisely reflecting the information of the status of the uplink cache of the UE through a certain mapping rule. On the premise that no additional expenses are needed, user and wireless resource scheduling efficiency is improved, and the system resource utilization rate is effectively increased.

Description

technical field [0001] The invention relates to the problem of resource allocation in wireless communication, and improves the resource utilization rate of the system. Background technique [0002] The smart grid is built on the basis of an integrated, high-speed two-way communication network. Through the application of advanced sensing and measurement technology, advanced equipment technology, advanced control method and advanced decision support system technology, the reliability and safety of the power grid can be realized. , economical, efficient, environmentally friendly and safe to use. The smart grid is different from the traditional data communication. The data it generates has specific requirements, such as a large amount of data and a small data packet. The characteristics of LTE's low latency and high bandwidth make it an effective solution for smart grid applications. method. [0003] In the process of uplink resource scheduling, LTE uses the scheduler at the b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/12
Inventor 杨坚朱锐意郭经红张浩
Owner UNIV OF SCI & TECH OF CHINA
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