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Method and system for determining maximum transmission block size bit number

A technology of transmission block size and number of bits, which is applied in network traffic/resource management, electrical components, wireless communication, etc., and can solve problems such as terminal performance degradation

Inactive Publication Date: 2015-06-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] In view of this, the main purpose of the present invention is to provide a method and system for determining the number of bits of the maximum transport block size, to solve the problem that when the terminal belongs to multiple HS-DSCH physical layer categories, because the highest HS-DSCH physical layer category corresponds to The maximum transmission block size that can be received within a transmission time interval to transmit data, which leads to the problem of terminal performance degradation

Method used

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  • Method and system for determining maximum transmission block size bit number
  • Method and system for determining maximum transmission block size bit number
  • Method and system for determining maximum transmission block size bit number

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] Such as figure 1 As shown, when the terminal belongs to category 23 and category 25, the process of determining the number of bits of the maximum transport block size includes:

[0070] Step 110, the terminal reports the HS-DSCH physical layer category (category 23 and category 25) to the radio network controller to which it belongs through the RRC protocol layer control signaling.

[0071] Step 120, since the terminal belongs to category 23 and category 25, the radio network controller determines that the terminal is a terminal of a special category.

[0072] Step 130, the radio network controller looks up Table 1 (HS-DSCH physical layer category table), and selects one of the maximum receivable transport block size values ​​in a transmission time interval corresponding to each HS-DSCH physical layer category to which the terminal belongs maximum value.

[0073]Specifically: the radio network controller consults Table 1. When the terminal belongs to category 23, the ...

Embodiment 2

[0079] like figure 2 As shown, when the terminal belongs to category 23 and category 26, the process of determining the number of bits of the maximum transport block size includes:

[0080] Step 210, the terminal reports the HS-DSCH physical layer category (category 23 and category 26) to the radio network controller to which it belongs through the RRC protocol layer control signaling.

[0081] In step 220, since the terminal belongs to category 23 and category 26, the radio network controller determines that the terminal is a terminal of a special category.

[0082] Step 230, the radio network controller looks up Table 1, and selects the maximum value among the maximum receivable transport block size values ​​within a transmission time interval corresponding to each HS-DSCH physical layer category to which the terminal belongs.

[0083] Specifically: the radio network controller consults Table 1, when the terminal belongs to category 23, the corresponding "maximum transmiss...

Embodiment 3

[0089] like image 3 As shown, when the terminal belongs to category 24 and category 25, the process of determining the number of bits of the maximum transport block size includes:

[0090] Step 310, the terminal reports the HS-DSCH physical layer category (category 24 and category 25) to the radio network controller to which it belongs through the RRC protocol layer control signaling.

[0091] In step 320, since the terminal belongs to category 24 and category 25, the radio network controller determines that the terminal is a terminal of a special category.

[0092] Step 330, the radio network controller looks up Table 1, and selects the maximum value among the maximum receivable transport block size values ​​within a transmission time interval corresponding to each HS-DSCH physical layer category to which the terminal belongs.

[0093] Specifically: the radio network controller consults Table 1. When the terminal belongs to category 24, the corresponding "maximum transmissi...

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Abstract

The invention discloses a method and system for determining a maximum transmission block size bit number. The method comprises the steps: when a wireless network controller determines that a terminal is a special terminal, the wireless network controller selects a maximum value from the maximum transmission block size values which can be received within one transmission time interval corresponding to the type of a physic layer of each HS-DSCH (High Speed Downlink Sharing Channel) which the terminal belongs to; and a node B and the terminal use the maximum transmission size which can be received within one transmission time interval of the selected maximum value for data transmission. According to the method and system for determining the maximum transmission block size bit number, disclosed by the invention, breakage of terminal performance can be efficiently reduced when data transmission is reduced efficiently.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method and system for determining the number of bits of the maximum transmission block size. Background technique [0002] HSDPA (High Speed ​​Downlink Packet Access, High Speed ​​Downlink Packet Access) technology improves system capacity, and can significantly increase the user data rate of WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access) downlink. Within the Hertz (MHz) bandwidth, a downlink data transmission rate of about 14.4 Mbits per second (without using other combined technologies) is provided for packet data services. This improvement in performance comes from some key technologies adopted by HSDPA, these technologies mainly include: adaptive modulation coding, fast scheduling, hybrid automatic retransmission application, fast cell search and advanced receiver design. In addition, HSDPA uses short transmission time intervals...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/22
Inventor 程翔
Owner ZTE CORP