Data transmission method and apparatus

A technology for transmitting data and data, which is applied in the field of data transmission, and can solve problems such as low transmission efficiency, waste of large channel resources, waste, etc.

Active Publication Date: 2009-05-06
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] However, in the second type of frame structure of the existing LTE (Long Term Evolution, long-term evolution) system, the position and structure of the special time slot are fixed, and the UpPTS part bears the PRACH channel (random access channel), other Resources are vacant, which wastes a lot of channel resources when transmitting data for the TD-SCDMA system, resulting in low transmission efficiency and a lot of waste

Method used

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  • Data transmission method and apparatus
  • Data transmission method and apparatus

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Embodiment Construction

[0027] The specific implementation manners of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] Such as image 3 Shown, be an embodiment of the method of the present invention, comprise steps:

[0029] S301. Set the length of the UpPTS in the special area, set the length of the UpPTS, and set the length of the UpPTS according to the length of the special time slot, considering mutual compatibility with TD-SCDMA;

[0030] S302. Use the UpPTS to transmit data, and transmit data within the time period of the UpPTS.

[0031] In the embodiment of the present invention, after setting the length of the UpPTS in the special area, the UpPTS is used to transmit data. The method of flexible configuration for special time slots is realized, and the performance of special time slots is extended on the basis of ensuring compatibility with TD-SCDMA system. On the premise of ensuring the system perform...

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Abstract

The embodiment of the invention discloses a method for data transmission, which comprises the following steps: the length of an UpPTS in a special zone is set; and the UpPTS is used for data transmission. The embodiment of the invention also discloses a device for data transmission, which comprises an UpPTS length setting unit used for setting the UpPTS length and a data transmission unit used for the data transmission by the UpPTS. The embodiment of the invention adopts a flexible configuration method for the special time slot by setting the length of the UpPTS and then utilizing the UpPTS to transmit the data. On the foundation of guaranteeing the compatibility with aTD-SCDMA system, the performance of the special time slot is developed. On the premise of guaranteeing the system performance and complexity, the development of the UpPTS function is realized, and the data transmission can be carried out.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method and device for transmitting data. Background technique [0002] Data transmission in the communication network needs to take into account the provisions of the data frame structure in the current relevant technical standards. The LTE (Long tern evolution, long term evolution system) system supports two types of frame structures. [0003] Such as figure 1 As shown, the frame structure of the first type is applicable to FDD and TDD (TDD, time division duplex, time division duplex, FDD, Frequency division duplex frequency division duplex) systems. The frame length of the first type of wireless frame is 10ms, and is composed of 20 time slots, each time slot is 0.5ms in length, and the marks are from 0 to 19. Two consecutive time slots are defined as a subframe, and subframe i is composed of time slots 2i and 2i+1, where i=0, 1, . . . , 9. For the FDD system,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04W72/12
Inventor 肖国军索士强潘学明王可唐海
Owner DATANG MOBILE COMM EQUIP CO LTD
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