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A data transmission method based on td-lte

A data transmission method and data technology, applied in the field of data transmission based on TD-LTE, can solve the problems of low speed, unable to meet the business needs of smart grid and sensor network, etc., and achieve the effect of reducing overhead and increasing data volume.

Inactive Publication Date: 2016-06-15
POTEVIO INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] At present, the 230MHz frequency band is mainly used in data transmission stations to undertake remote data collection work. Because the provided rate is very low, it can only be used for some simple communication applications and cannot meet the growing business needs of smart grids and sensor networks.

Method used

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  • A data transmission method based on td-lte
  • A data transmission method based on td-lte
  • A data transmission method based on td-lte

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0048] In the embodiment of the present invention, a RLC PDU is included in the data transmission message, the first LCID is set in the RLC PDU, and the first LCID occupies 3 bits; the MAC header is not included in the data transmission message. This minimizes header overhead. Since the LCID only occupies 3 bits, it occupies 2 bits less than the LCID in the prior art. If there are n PDUs in the string, the transmission can be reduced by 2n bits. The overhead of the header is reduced, and the amount of transmitted data can be increased correspondingly in unit time.

[0049] In the present invention, the LCID is compressed from 5 bits to occupy 3 bits. Three bits can represent different meanings. The LCID indicates different uplink ...

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Abstract

Provided is a data transmission method based on TD-LTE. The method comprises the steps that a data sending end establishes messages of transmission data; the messages of the transmission data comprise a radio link control protocol data unit, a first logic channel identification is arranged in the radio link control protocol data unit, and the first logic channel identification occupies 3 bits; the messages of the transmission data do not contain a multimedia access control head; the data sending end sends the messages. After the data transmission method is applied, the data size transmitted in unit time can be increased.

Description

technical field [0001] The present invention relates to the technical field of communication, and more specifically, to a TD-LTE-based data transmission method. Background technique [0002] At present, the 230MHz frequency band is mainly used in data transmission stations to undertake remote data collection work. Because the provided rate is very low, it can only be used for some simple communication applications, and cannot meet the growing business needs of smart grids and sensor networks. [0003] The 230MHz frequency band equipment based on TD-LTE technology provides a better solution, forming a new generation of flexible multi-service communication system with low power consumption, high spectrum utilization and high reliability. It satisfies the business requirements of the power load monitoring system to the greatest extent. [0004] The 230MHz band equipment based on TD-LTE technology adopts the medium access control (MAC) and protocol data unit radio link control ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/06H04L1/00H04L1/06
Inventor 刘建明陶雄强李祥珍邢益海闫淑辉胡炜徐宏祝锋邓晓晖李勇洪海冯世英
Owner POTEVIO INFORMATION TECH CO LTD
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