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A method, system and device for reporting and confirming cache status information

A technology that caches status information and data volume. It is used in wireless communication, electrical components, etc., and can solve the problem that terminals cannot report BSR.

Active Publication Date: 2011-12-21
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0032] Embodiments of the present invention provide a method, system and device for reporting and confirming cache status information, so as to solve the problem that terminals cannot report BSR more accurately in the CA system existing in the prior art

Method used

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  • A method, system and device for reporting and confirming cache status information
  • A method, system and device for reporting and confirming cache status information
  • A method, system and device for reporting and confirming cache status information

Examples

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Embodiment 1

[0245] Embodiment 1: Scheme 1.

[0246] Step 1: The UE first determines the value of Factor (that is, the reference coefficient value) corresponding to the LCG:

[0247]

[0248] Step 2: The UE determines the value of the BufferSize field corresponding to the LCG in the BSR MAC CE according to the following formula:

[0249] B left =B rel %B max= 350Kbyte% 150Kbyte = 50Kbyte

[0250] According to B left Check the BSR table (Table 1) defined by the LTE system, you can get B left The corresponding quantization level is 56, expressed as 6bit, that is, 111000.

[0251] Step 3: The UE reports the BSR to the eNB, and judges that the type of the reported BSR is a short BSR according to the same rules of the LTE system. The BSR report needs to carry the Factor indication, which can be implemented in the following ways.

[0252] 1: Introduce the Factor indication field in BSR MAC CE, the peak rate is 1200Kbyte, then Factor can be represented by 3 bits, for long BSR, it can m...

Embodiment 2

[0261] Example 2: Scheme 2

[0262] Step 1: UE first determines the value of Factor:

[0263] The UE can determine the Factor value in the following three ways:

[0264] 1: Determine the reference coefficient value corresponding to its own level according to the preset correspondence between the terminal type and the reference coefficient value (implicit mode);

[0265] 2: Determine the reference coefficient value corresponding to the current network parameter (implicit) according to the corresponding relationship between the preset network parameter and the reference coefficient value;

[0266] 3: Factor is indicated by the base station, which indicates the use of RRC signaling or broadcast notification (explicit);

[0267] Which method to use is specified by the default agreement or agreement between the base station and UE, for example, if 3 is used,

[0268] If the Factor indicated by the UE based on the base station in the RRC signaling is 3, the corresponding Factor a...

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Abstract

The embodiment of the invention relates to the technical field of wireless communication, in particular to a method, a system and equipment for reporting and confirming buffer memory state information, which are used for solving the problems that in a multi-carrier system in the prior art, a terminal can not accurately carry out bit scan reverse (BSR) reporting to the network side. The method of the embodiment of the invention comprises the following steps that: the terminal confirms the reference buffer memory data quantity of each large hadron collider computing grid (LCG) according to the actual buffer memory data quantity of each LCG in a first system, confirms the index number of the LCG corresponding to the subordinative buffer memory data quantity range of the reference buffer memory data quantity according to the corresponding relationship between the index number and the buffer memory data quantity range in a second system and reports the index number, wherein the first system is a carrier wave merging system, and the second system is not a carrier wave merging system. When the method of the embodiment of the invention is adopted, the buffer region state can be accurately reported to the network side in the multi-carrier-wave system so that the upstream dispatching can be accurately carried out by the network side.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method, system and equipment for reporting and confirming buffer state information. Background technique [0002] LTE (Long term evolution, long-term evolution) and LTE-A (Long term evolution advance, long-term evolution upgrade) systems are both scheduling-based systems. The base station allocates the time-frequency resources required for data transmission to the UE (terminal). Scheduling commands for downlink data reception or uplink data transmission. [0003] Uplink data transmission is scheduled by the base station, and the base station will notify the terminal through a UL grant (uplink scheduling permission) after determining the allocation of uplink resources. One of the bases for the base station to allocate uplink resources is the amount of data in the buffer of the terminal. If the base station wants to know the information, the terminal need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/10
Inventor 赵亚利谌丽许芳丽
Owner DATANG MOBILE COMM EQUIP CO LTD
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