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Method and system for distributing available soft channel maximum bit value

A technology of soft channel bits and allocation methods, which is applied in the field of allocation of the maximum available soft channel bits, can solve problems such as inability to transmit integers, inability to exhaustively enumerate all data, increase in signaling load, etc., and achieve the effect of meeting performance requirements

Inactive Publication Date: 2012-03-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] With the development of technology, due to the following two disadvantages of explicit allocation: one is to increase the signaling load; the other is that explicit allocation is an enumerated value, which cannot exhaustively enumerate all data, so that all integers cannot be transmitted, so when introducing HSDPA After multiple input and multiple output (MIMO, Multiple Input Multiple output) technology, use the above explicit way to allocate N IR , or the method called HARQ Process Memory Size is no longer applicable
However, in fact, from the perspective of the completeness of the performance test of the UE category, only the above implicit way is used to assign N IR , or HARQ Process Memory Size also has problems, that is: it cannot fully cover various test cases
At present, there is no effective solution to the problem of implicit allocation

Method used

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  • Method and system for distributing available soft channel maximum bit value
  • Method and system for distributing available soft channel maximum bit value
  • Method and system for distributing available soft channel maximum bit value

Examples

Experimental program
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Effect test

Embodiment 1

[0074] In this embodiment, the UE capability is 14, and the corresponding soft channel total bit number is 259200 bits (bit) IR method, such as figure 2 shown, including the following steps:

[0075] Step 310: Node B divides the total number of soft channel bits (T=259200bit) corresponding to the UE capability level by the number of HARQs (N=6) to obtain temp_process_memory_size (that is, the above-mentioned N TIR =43200bit).

[0076] Step 320: For the calculated temp_process_memory_size, Node B finds the value (40000bit) closest to the value but less than or equal to the temp_process_memory_size from the predefined enumeration value, which is called the cache size (process_memory_size), and the cache size is the original Maximum number of available soft channel bits N in the invention IR .

[0077] Step 330: Node B returns the number of HARQ processes (Number of Processes) to the radio network controller as 6 through the radio link establishment response message.

[007...

Embodiment 2

[0083] In this embodiment, the UE capability is 10, and the total number of soft channel bits corresponding to it is 172800 bits as an example to illustrate the allocation of HARQ N IR method, such as image 3 shown, including the following steps:

[0084] Step 410: Node B divides the total number of soft channel bits (172800 bits) corresponding to the UE capability level by the number of HARQs (6), and obtains temp_process_memory_size (that is, the above-mentioned N TIR =28800bit).

[0085] Step 420: Node B finds the value (28800bit) closest to the calculated temp_process_memory_size from the predefined enumeration value (28800bit), which is called the cache size, and the cache size is available in the present invention Soft channel bit maximum value N IR .

[0086] Step 430: The node B returns the number of HARQ processes (Number of Processes) to the radio network controller as six through the radio link establishment response.

[0087] Step 440: The radio network contr...

Embodiment 3

[0092] In this embodiment, taking UE capability as 16, working in dual-carrier mode, and the corresponding total number of soft channel bits as 345600 bits as an example, the allocation of HARQ N IR method, such as Figure 4 shown, including the following steps:

[0093] Step 510: Node B divides the total number of soft channel bits (345600 bits) corresponding to the UE capability level by the number of HARQs (12), and obtains temp_process_memory_size (that is, the above-mentioned N TIR =28800bit).

[0094] Step 520: Node B finds the value (28800bit) closest to the calculated temp_process_memory_size from the predefined enumeration value (28800bit), which is called the cache size, and the cache size is available in the present invention Soft channel bit maximum value N IR .

[0095] Step 530: Node B returns the number of HARQ processes (Number of Processes) to the radio network controller as 12 through the radio link reconfiguration ready.

[0096] Step 540: The radio net...

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Abstract

The invention discloses a method for distributing an available soft channel maximum bit value, which comprises the following steps: a node B sets that NTIR is equal to T / N, wherein T is the total bit number of a soft channel of user equipment (UE), and N is the amount of the processing progress of a hybrid automatic repeat request (HARQ) configured for the UE by the node B; according to the NTIR, the available soft channel maximum bit value NIR of each HARQ processing progress in N HARG processing progresses is determined; and in an implicit mode, the node B notifies the UE to distribute the NIR for the node B. The invention also discloses a system for distributing the available soft channel maximum bit value, and an NIR determining unit on the node B side is used for determining the available soft channel maximum bit value NIR of each HARQ processing progress in N HARG processing progresses according to the NTIR. According to the method and the system disclosed by the invention, an effective solution is provided for aiming at problems caused by distribution in the implicit mode.

Description

technical field [0001] The present invention relates to the allocation technology of the maximum available soft channel bits in the field of communication, in particular to a method and system for allocating the maximum available soft channel bits of a Hybrid-Automatic Repeat reQuest (HARQ, Hybrid-Automatic Repeat reQuest) processing process. Background technique [0002] High-speed downlink packet access (HSDPA, High-Speed ​​Downlink Packet Access) technology can improve system capacity, and can significantly increase the user data rate of wideband code division multiple access (WCDMA) downlink, and can provide packet data services within a 5MHz bandwidth Provides a downlink data transmission rate of 10Mbit / s. [0003] The HSDPA technology introduces a new transmission channel, High Speed ​​Downlink Shared Channel (HS-DSCH, High Speed ​​Downlink Shared Channel), which is used to carry the load of HSDPA. The functions provided by HS-DSCH include: fast adaptation of transmis...

Claims

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Application Information

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IPC IPC(8): H04L1/18H04W28/14H04W72/04
Inventor 刘霖柯雅珠程翔
Owner ZTE CORP
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