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Method and system for data transmission, user equipment and node B

A data transmission method and user equipment technology, applied in access restrictions, electrical components, wireless communications, etc., can solve problems such as inability of users to access, low utilization of network resources, and increased occupancy of system resources, so as to avoid network resources. Low utilization rate, the effect of improving the utilization rate of network resources

Inactive Publication Date: 2013-02-13
HUAWEI TECH CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

If there are 11 users applying for the 10msTTI type, even if there are still 10 resources corresponding to 2msTTI vacant at this time, there must be 1 user who cannot access, which shows that the resource utilization rate of this solution is low
[0011] In the above solution, introducing new preamble scrambling code and new common E-DCH resource list will not only increase the system resource usage rate, but also the fixed application of TTI resources will lead to low utilization rate of network resources

Method used

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  • Method and system for data transmission, user equipment and node B
  • Method and system for data transmission, user equipment and node B
  • Method and system for data transmission, user equipment and node B

Examples

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example 4

[0135] The TTI resources in Example 4 are specified by the base station, and the TTI resources in Example 5 are specified by the UE, which avoids the problem of low utilization of network resources caused by fixed allocation, thereby improving the utilization of network resources.

[0136] In the above five examples, the NodeB indicates the TTI type used by the common E-DCH resource, when the UE has a large power headroom, the uplink data rate is increased; when the UE has a small power headroom, the coverage performance is improved.

[0137] A user device such as Figure 4 As shown, it includes: a TTI determining unit 301 , a first message sending unit 302 , a second message receiving unit 303 and a data transmission unit 304 .

[0138] The TTI determination unit 301 is configured to determine the transmission time interval TTI type of the common enhanced uplink dedicated channel Common E-DCH to be used by the user equipment UE.

[0139] The first message sending unit 302 is...

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Abstract

The embodiment of the invention discloses a method and a system for data transmission, user equipment and a node B, wherein the method comprises the steps of: determining a transmission time interval (TTI) type of a common enhanced uplink dedicated channel (Common E-DCH) to be used by user equipment (UE) by the UE; sending a first message to the node B in an access process, wherein the first message carries the TTI type of the Common E-DCH to be used; receiving a second message from the node B, wherein the second message carries information on prohibiting UE access or information on allowing the UE access and information indicating the TTI used by the UE; and if access is allowed, carrying out data transmission according to the TTI type used by the UE, indicated by the second message. According to the invention, the problem of low utilization rate of network resources due to fixed distribution can be avoided, so that the utilization rate of the network resources is improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and system, user equipment and a base station. Background technique [0002] With the rapid development of communication technology, Wideband Code Division MultBP20110510le Access (WCDMA), as one of the mainstream technologies of the third generation mobile communication system, has been widely researched and applied worldwide. [0003] In order to increase the data transmission rate and meet different requirements, WCDMA introduces High Speed ​​Downlink Packet Access (HSDPA) technology, enabling the downlink to achieve a speed of up to 14.4 Mbit / s. In order to improve the performance of WCDMA system, HSDPA has made a lot of enhancements on the wireless interface, which is reflected in the physical layer and media access control (MAC, Media Access Control) layer mainly including: shorter transmission time interval (Transmission Time Inter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/08
Inventor 邵家枫贺传峰高永强闫坤
Owner HUAWEI TECH CO LTD
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