Selection method for strengthening dedicated channel transport format set and device thereof

Abstract

The invention discloses a selection method for strengthening dedicated channel transport format set and a device thereof. The method comprises: calculating the code rate of each E-TFC by user equipment, which corresponds to each modulation mode, according to an authorization control message distributed by a network side; according to the code rate of each E-TFC, which corresponds to each modulation mode, and the wireless resource configuration message distributed by the network side, determining a candidate E-TFC set corresponding to each modulation mode; according to the authorization controlmessage and the wireless resource configuration message, determining the code rate corresponding to the maximum authorization transmission power which corresponds to each modulation mode and is allowed on an E-PUCH information channel; according to the code rate corresponding to the maximum authorization transmission power, determining the subset of the candidate E-TFC as the E-TFC set corresponding to each modulation mode; selecting an E-TFC set used for transmitting data from the E-TFC set corresponding to each modulation mode, and adopting a modulation mode corresponding to the selected E-TFC set to package data. On the basis of fully considering the resources distributed by the network side, the method can quickly and reasonably determine a suitable E-TFC set to transmit data.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a method and device for selecting an enhanced dedicated channel transmission format set (E-DCHTransport Format Combination, E-TFC) for High Speed ​​Uplink Packet Access (HSUPA) . Background technique [0002] High-speed uplink packet access HSUPA is a further enhancement and evolution of the wireless part of the TD-SCDMA system, which can greatly increase the uplink capacity and transmission rate. [0003] HSUPA has two data transmission modes: scheduled transmission (Scheduled Transmission) based on base station (NodeB) and non-scheduled transmission (Non-Scheduled Transmission) based on radio network controller (Radio Network Controller, RNC). In the existing HSUPA technology, the media access control (Media Access Control, MAC) layer provides a logical channel (Logical Channel, LC) for the radio link control (Radio Link Control, RLC), which is used to carry the dat...

AI Technical Summary

Problems solved by technology

[0023] Among them, after receiving the allocated physical resource information in step (4), the UE performs the process of E-TFC selection, and no specific implementation method for selection is given in the existing protocol

It is very important to select the appropriate E-TFC for data transmission between the UE and the base station. If the base station and the UE cannot determine the appropriate E-TFC, it may cause the failure of decoding the transmitted data, or even cause the system to fail to work normally.

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