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Method, system and device for data transmission

A data transmission and data technology, applied in the field of data transmission, can solve the problems of large number of bits, increase signaling overhead, increase system complexity, etc., and achieve the effect of reducing complexity, reducing the number of bits and signaling overhead

Inactive Publication Date: 2008-06-11
CHINA ACAD OF TELECOMM TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0010] The present invention provides a method, system and device for data transmission to solve the problems existing in the prior art that TFCI occupies a large number of bits when transmitting data, which increases signaling overhead and may increase The problem of system complexity

Method used

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  • Method, system and device for data transmission
  • Method, system and device for data transmission

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Embodiment Construction

[0036] The method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0037]The present invention provides a data transmission system, in which the corresponding relationship between the absolute index and the relative index is preset, and the system includes a base station and at least one terminal, wherein the terminal is used to Obtaining the absolute index of the transport block size, using the corresponding relationship to obtain the relative index corresponding to the absolute index of the transport block size, and sending the format combination indication message and data including the relative index of the transport block size to the base station; the base station uses Obtaining the absolute index corresponding to the relative index in the format combination instruction message by using the corresponding relationship, and parsing the received data by using the absolute index. The number of bits occupied by sending...

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Abstract

The invention discloses a method of data transmission, which is used in a system consisting of a base station and at least one terminal to preset the relation between absolute and relative index. The method comprises the following steps that: A, the terminal obtains the absolute index of a transmission block size according to scheduling license sent by the base station and obtains the relative index according to the relation, and then send the format combination indication messages and data of the relative index of a transmission block size to the base station. B, the base station obtains absolute index corresponding to relative index in format combination indication messages by using the relations; C, the base station uses the absolute index to analyze the data received. The invention reduces the bit number and signaling cost that the format combination indication messages takes and reduces the system complexity; moreover, the invention disclose a system and device for data transmission.

Description

technical field [0001] The data transmission technology in the communication field of the present invention particularly relates to a data transmission method, system and device. Background technique [0002] In order to improve the uplink data transmission capability, frequency division duplex (FDD) mode and time division duplex (HCR TDD) mode in wideband code division multiple access system (WCDMA), and time division synchronous code division multiple access system (TD-SCDMA) , also known as LCR TDD) successively introduced the enhanced uplink (Enhanced Uplink) technology in R6 and R7 defined by the third generation mobile communication standardization organization. The uplink enhanced transport format combination (E-TFC) selection process is performed on the terminal. In TDD mode, the selected transport format combination indication message (E-TFCI) is transmitted on the enhanced uplink control channel (E-UCCH) . In order to ensure that the base station can accurately a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04Q7/38H04W28/06H04W48/08H04W72/12
CPCH04W48/08H04W28/06H04W72/12
Inventor 白杰周海军秦飞胡金玲
Owner CHINA ACAD OF TELECOMM TECH
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