Method and device for adjusting transmission time interval

A technology of transmission time interval and adjustment method, which is applied in the field of transmission time interval adjustment technology of high-speed uplink packet access channel, which can solve the problems of waste of channel resources of base stations and impact on service quality, and achieve the effect of improving utilization rate

Inactive Publication Date: 2009-11-04
HUAWEI TECH CO LTD
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  • Abstract
  • Description
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Problems solved by technology

However, in the process of implementing the present invention, the inventors found that the existing solutions have at least the following problems: fix

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  • Method and device for adjusting transmission time interval
  • Method and device for adjusting transmission time interval
  • Method and device for adjusting transmission time interval

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Embodiment Construction

[0025] An embodiment of the present invention provides a method for adjusting the transmission time interval TTI, such as figure 1 As shown, the method mainly includes:

[0026] S101. Obtain the current traffic of high-speed uplink packets accessing the HSUPA channel.

[0027] Wherein, the current service flow of the HSUPA channel can be represented by the correctly received service volume per unit time. For example, if a measurement period is set in advance, and the traffic volume correctly received in the measurement period is obtained, the current traffic flow of the HSUPA channel can be expressed as the quotient of the traffic volume correctly received in the measurement period and the preset measurement period: The current traffic flow of the HSUPA channel = the traffic volume correctly received in the measurement period / the measurement period.

[0028] S102. Compare the acquired current service flow with a preset threshold.

[0029] In addition, the preset threshold m...

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Abstract

The embodiment of the invention provides a method for adjusting transmission time interval TTI. The method mainly comprises the following steps: obtaining current service flow of a high-speed uplink packet access HUSPA channel; comparing the obtained current service flow with a predetermined threshold; and adjusting the TTI of the HUSPA channel according to the current TTI and the comparison result. The embodiment of the invention also provides a TTI adjusting device and a wireless network controller. The method, the TTI adjusting device and the wireless network controller can adjust the TTI of the HUSPA channel according to the actual service flow so that the TTI not only satisfies the need of data transmission but also can try to improve the channel resource utilization rate of a base station.

Description

technical field [0001] The embodiment of the present invention relates to the field of mobile communication, in particular to the technology for adjusting the transmission time interval of a high-speed uplink packet access channel. Background technique [0002] The R6 version of the 3rd Generation Partnership Project (3GPP for short) introduces High Speed ​​Uplink Packet Access (HSUPA for short), which can realize high-speed uplink data transmission. One of its main features is that the air interface adopts short frames with a Transmission Timing Interval (Transmission Timing Interval, "TTI" for short) of 10 ms or 2 ms. When the service is carried on the HSUPA channel, configuring the TTI of the HSUPA channel as 2ms can provide a higher uplink peak rate than configuring the TTI as 10ms. [0003] In the existing solution, when the service is carried on the HSUPA channel, its TTI configuration is fixed, and once configured, it will not change. That is to say, it is either 2m...

Claims

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Application Information

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IPC IPC(8): H04W24/10H04W28/10H04W72/12H04W88/12
CPCH04W28/10H04W72/1205H04W28/18H04W72/52
Inventor 于江郭房富姚瑶
Owner HUAWEI TECH CO LTD
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