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Decoding method and decoding apparatus

A decoding and decoding table technology, applied in digital transmission systems, electrical components, unequal/adaptive error prevention, etc., can solve problems such as increased system overhead, high communication and protection requirements, and increased system overhead. , to achieve the effect of meeting the delay requirements

Active Publication Date: 2009-07-29
HUAWEI TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

Due to the increase of tasks, the corresponding system overhead increases (such as task stacks). At the same time, because all tasks schedule the same physical resource, the communication and protection requirements between tasks are very high. Especially when the physical resource is abnormal, the recovery mechanism is very difficult. Complex, which will further increase the overhead of the system

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  • Decoding method and decoding apparatus
  • Decoding method and decoding apparatus
  • Decoding method and decoding apparatus

Examples

Experimental program
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Embodiment 1

[0025] In this example, more than one pre-decoding data queue and the main decoding table are set up, among which, the high-priority business corresponds to the high-priority pre-decoding data queue, and the low-priority business corresponds to the low-priority Data queue before decoding. More than one pre-decoding data queue stores the user's decoding control information according to the first-in-first-out rule. Among them, the decoding control information mainly includes parameters such as decoding rate, number of transmission blocks, total number of code blocks, and code block serial number. The main decoding table is used to record the decoding control information of the user currently using the decoder. The user's data to be decoded can be sent to the decoder, and the data to be decoded sent to the decoder is decoded according to the decoding control information in the main decoding table. For example, construct a pre-decoding data queue corresponding to the priority of ...

Embodiment 2

[0038] figure 2 It is a schematic diagram of the corresponding relationship between the queue and the decoding table of the decoding method provided by Embodiment 2 of the present invention. Such as figure 2 As shown, this embodiment takes R99TC service, HSUPA 10ms service and HSUPA 2ms service as examples, and constructs corresponding queues and decoding tables. Firstly, according to the priority of the service, construct the queue before decoding corresponding to the priority, and put the decoding control information of the user who has completed the data preparation before decoding into the corresponding queue before decoding (a user may have multiple decoding block). According to the order of priority from high to low, they are arranged as follows: HSUPA 2ms service, HSUPA 10ms service, R99TC service. Users in each queue have the same priority and are processed in the order of arrival. Users with the same level of priority are not supported to preempt each other. Con...

Embodiment 3

[0050] Figure 4 A schematic structural diagram of a decoding device provided in Embodiment 3 of the present invention, as shown in Figure 4 As shown, the decoding device in this embodiment includes: a first processing unit 11 , a second processing unit 12 , and a third processing unit 13 .

[0051] Wherein, the first processing unit 11 is configured to put the decoding control information of the user who has completed the pre-decoding data preparation into the corresponding pre-decoding data queue according to the service priority of the user, wherein the high service priority The business corresponds to the high-priority pre-decoding data queue, and the low-priority business corresponds to the low-priority pre-decoding data queue;

[0052] The second processing unit 12 is configured to acquire the decoding control information from the data queue with the highest priority currently existing in the decoding control information before decoding, and transfer the decoding contr...

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Abstract

The embodiment of the invention relates to a decoding method and a decoding device, wherein, the decoding method comprises the following steps: after pre-decoding data preparation is finished, user decoding control information is placed into a corresponding pre-decoding data queue according to user business priority; the decoding control information is obtained from the pre-decoding data queue which currently contains the decoding control information and has the highest priority and then sent to a preset master decoding table; a scheduling decoder implements the decoding of the user data to be decoded according to the decoding control information in the current master decoding table. The embodiment of the invention further provides the decoding device. By adopting a scheduling way with the queue as well as master and sub decoding tables, the embodiment of the invention finishes resource scheduling in the unit of a code block, and satisfies the time delay requirements of users with different priorities, without increasing the communication and protection difficulty between system tasks.

Description

technical field [0001] The embodiment of the present invention relates to a decoding method and a decoding device, which belong to the technical field of communication. Background technique [0002] Currently, there are mainly two schemes for decoder resource allocation. One is to schedule according to the user; the other is to create multiple decoding tasks according to the user's priority on an operating system that supports multi-threading, and use the preemption between tasks to complete the preemption of decoding blocks. [0003] In the process of realizing the present invention, the inventor finds that the prior art has at least the following disadvantages: [0004] In the user-based scheduling scheme, the user who obtains the resource will occupy the resource until all decoding blocks are decoded. During this period, if a user with a higher priority arrives, the high-priority user must wait for the current user to complete all decoding before obtaining resources. H...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L1/00H03M13/35
Inventor 徐昌平李萍
Owner HUAWEI TECH CO LTD
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