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Indication method and judgment method of modulation mode of high speed downlink packet access

A modulation method, high-speed shared control technology, applied in the direction of adjustment of transmission rate, digital transmission system, error prevention, etc., can solve the problem that HS-SCCH frame structure cannot represent 64QAM, etc., to achieve the effect of functional support

Active Publication Date: 2013-03-27
ZTE CORP
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Problems solved by technology

[0014] The present invention is proposed for the above-mentioned problem that the current HS-SCCH frame structure cannot represent 64QAM. Therefore, the present invention aims to propose a method for indicating modulation mode in high-speed downlink packet access and a terminal in high-speed downlink packet access A method of judging the modulation method to solve the above problems

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  • Indication method and judgment method of modulation mode of high speed downlink packet access

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Embodiment Construction

[0030] Functional Overview

[0031] In the technical solution provided by the embodiment of the present invention, the modulation mode information bit of the high-speed shared control channel is set to indicate the modulation mode determined by the Node B, that is, if the modulation mode determined by the Node B is 64QAM or QPSK, the high-speed shared control channel The modulation mode information of the channel is set to 0; if the determined modulation mode is 16QAM, the modulation mode information of the high-speed shared control channel is set to 1. Compared with the prior art, under the existing HS-SCCH frame structure, it can be compatible with UE devices that support and do not support 64QAM and high-order modulation, and realize the functional support for the 64QAM modulation mode.

[0032] The specific implementation of the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be noted that, if there is n...

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Abstract

An indication method and a judgment method of a modulation mode of High Speed Downlink Packet Access (HSDPA) are disclosed. The indication method of the modulation mode of HSDPA includes: if the modulation mode determined by Node B is 64QAM or QPSK, the information position of the modulation mode of Shared Control Channel for HS-DSCH is 0; if the modulation mode determined by Node B is 16QAM, the information position of the modulation mode of Shared Control Channel for HS-DSCH is 1.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for indicating a modulation mode in high-speed downlink packet access and a method for a terminal to judge a modulation mode in high-speed downlink packet access. Background technique [0002] An important feature of the third-generation mobile communication system is the unbalanced traffic volume of the uplink / downlink. The traffic volume of the downlink will generally be greater than that of the uplink. In response to this requirement, the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP for short) introduced a High Speed ​​Downlink Packet Access (HSDPA for short) feature into the 3G specification. In the HSDPA feature, by introducing Adaptive Modulation and Coding (AMC for short), Hybrid Automatic Retransmission Request (HARQ for short) technology and related technologies for reducing network processing delay, To provide a higher down...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0028H04L1/0003
Inventor 赵静陈慧马志锋黄河陈冠
Owner ZTE CORP
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