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Method of addressing user equipment when transmitting common control channel on e-dch

A common control channel and user equipment technology, applied in the field of wireless communication, can solve problems such as UE addressing ambiguity, inability to address, authorization resource conflicts, etc.

Inactive Publication Date: 2011-12-07
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A common solution is that Node B broadcasts several public E-RNTIs through system broadcast messages, and UE selects one of them as its own, but this will cause E-RNTI conflicts, that is, multiple UEs may use the same E-RNTI at the same time. -RNTI, causing Node B to be unable to accurately address a specific UE through the E-AGCH channel, resulting in a conflict of authorized resources
Moreover, when there is more than one E-RUCCH channel in the cell, the E-AGCH channel may still be received by multiple UEs, which will also cause the problem of UE addressing ambiguity

Method used

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  • Method of addressing user equipment when transmitting common control channel on e-dch
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  • Method of addressing user equipment when transmitting common control channel on e-dch

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Embodiment Construction

[0067] The technical solution of the present invention will be described in more detail below with reference to the drawings and embodiments.

[0068] On the basis of the random access algorithm in the existing system, the present invention further achieves the effect that the Node B can correctly address the UE by establishing the timing relationship between the E-AGCH channel and the E-RUCCH channel. like image 3 As shown, the following steps are included: first, determine the association relationship between one or more E-AGCH channels and an E-RUCCH channel, so that the UE only listens to the E-AGCH channel associated with the E-RUCCH channel selected by itself; and then By establishing the timing relationship between the E-AGCH channel and its associated E-RUCCH channel to determine whether the E-AGCH channel is sent to the UE that sends a random access request through the E-RUCCH channel at a specific moment, it can be completely Avoid the problem of UE addressing ambi...

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Abstract

A method for addressing user equipment UE when transmitting a common control channel on an enhanced-dedicated transport channel E-DCH, including: establishing an association between an enhanced-random access uplink control channel E-RUCCH and at least one enhanced-absolute grant channel E-AGCH relationship, and save the relationship between the base station Node B and the UE; when receiving a random access request from the UE through an E-RUCCH channel carrying an enhanced-radio link temporary identifier E-RNTI, the Node B selects a The E-AGCH associated with E-RUCCH sends authorization information carrying E-RNTI to the UE, and there is a definite timing relationship between the E-AGCH channel and the E-RUCCH channel; - Receive authorization information on AGCH. The present invention is based on the existing random access algorithm and the E-DCH transmission process, and is simple and applicable.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for addressing user equipment when transmitting a common control channel on E-DCH (enhanced-dedicated transmission channel). Background technique [0002] 3GPP (Third Generation Partnership for Mobile Communications) is currently working on the standardization of CELL_FACH (Cell_Forward Access Channel) state uplink enhancement. The CELL_FACH state uplink enhancement introduces the E-DCH transmission channel in the CELL_FACH state to enhance the uplink packet data transmission performance of this state, so that it can obtain a smaller packet transmission delay and a higher transmission rate. [0003] E-DCH transmission is commonly referred to as HSUPA (High Speed ​​Uplink Packet Access). HSUPA uses advanced physical layer technology to obtain high transmission efficiency. In versions prior to 3GPP Rel-7, E-DCH transmission is only used in the CELL_DCH (cell_dedicate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W8/26H04W72/14H04W74/08
Inventor 陈慧
Owner ZTE CORP