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Method and system for dynamic caching of user information

A dynamic caching and user information technology, which is applied in transmission systems, wireless communications, network traffic/resource management, etc., can solve the problems of user information caching resource waste, code block parameter information caching area occupying multiple BRAMs, etc., to reduce waste, The effect of saving BRAM

Active Publication Date: 2015-01-28
NANJING ZHONGXING XIN SOFTWARE CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Therefore, the code block parameter information cache area occupies more BRAM (Block RAM, on-chip storage), resulting in a waste of user information cache resources

Method used

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  • Method and system for dynamic caching of user information
  • Method and system for dynamic caching of user information
  • Method and system for dynamic caching of user information

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Embodiment Construction

[0038] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0039] Figure 4 It is a flow chart of bit-level processing of user information dynamic cache provided by the embodiment of the present invention, such as Figure 4 As shown, the method includes the following steps:

[0040] Step S401, code block segmentation.

[0041] After receiving the TB, the control module for bit-level processing of the downlink physical layer service channel adds a 24-bit check digit to the end of the TB. If the length B exceeds the longest code block length of 6144 after the check digit is added, the TB needs to be divided into multiple For code blocks whose length is less than 6144, recalculate the CRC for each code block and a...

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Abstract

The present invention provides a method and system for dynamically buffering user information, which are used for solving the problem of excessive resources for buffering user information. In the present invention, by storing a starting address of a Transport Block (TB) located in a code block parameter buffer area into a TB buffer area, and storing the starting address of each code block located in the data buffer area into the code block parameter buffer area according to the starting address of the TB located in the code block parameter buffer area, wherein the code block is segmented from the TB, a concatenation module, when a concatenation is performed, finds out the starting address of the TB located in the code block parameter buffer area from the TB buffer area according to a User Equipment (UE) index, and finds out the starting address of the code block located in the data buffer area according to a current code block index maintained by the concatenation module. Thus the waste of resources for buffering user information is decreased and more Block Random Access Memories (BRAMs) are saved.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method and system for dynamic caching of user information. Background technique [0002] figure 1 It is the bit-level processing flowchart of the downlink physical layer shared channel specified in the 3GPP TS (The 3rd Generation Partnership Project Technical Specification, third generation partnership project technical standard) 36.211 protocol provided by the prior art, such as figure 1 As shown, the process includes CRC (Cyclic Redundancy Check, cyclic redundancy check), channel coding, rate matching and code block concatenation, etc., wherein the function realized by the code block concatenation part is to convert TB (Transport Block, transmission block) The data is collected and handed over to subsequent modules for other processing. [0003] figure 2 is a bit-level processing structure diagram of the downlink physical layer traffic channel provided by the prior a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/14
CPCH04L49/90
Inventor 吕闻陈石磊
Owner NANJING ZHONGXING XIN SOFTWARE CO LTD
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