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Method for quick allocation of frequency domain resources

A frequency-domain resource and fast technology, applied in the field of communication, can solve problems such as large processing volume and high complexity

Active Publication Date: 2013-01-30
POTEVIO INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a high complexity in searching for RBs. In order to obtain complete continuous RB resources with different levels of CQI distribution, it is necessary to traverse RBs one by one.
Take a 20M cell and 100 RBs as an example. For each RB and each level of CQI query once, you need to search 100 times 16, a total of 1600 times. During the search process, you need to compare RB continuity and RBs with different CQI levels The amount of data that can be carried, which is very large for 1 subframe (1ms) with a length of 1 millisecond

Method used

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  • Method for quick allocation of frequency domain resources

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] In the embodiment of the present invention, when searching for RBs, consider the situation of not higher than all CQI levels supported by it, and use MaxCQI to search for RBs once. When MaxCQI is equal to 15, frequency domain resource allocation is performed by MaxCQI being 15; when MaxCQI If it is not equal to 15 or -1, frequency domain resource allocation is performed by MaxCQI. In this way, the number of RB searches is simplified, and frequency domain resource allocation is performed based on the CQI level of the RB. Simplify the search method as much as possible without affecting the effect of resource allocation, and reduce the amount of data processing.

[0025] See attached figure 1 It is a flow diagram of a method for...

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Abstract

A method for quick allocation of frequency domain resources includes: when available RB (resource block) resources exist, performing traversal according to descending order of CQI (channel quality indication) in CQI grade resource lists between a maximum channel quality indication MaxCQI and the CQI of the current RB; storing information of the available RB resources to the CQI grade resource list corresponding to the current RB resource, updating MaxCQI, and scheduling according to the MaxCQI when an initial value of the MaxCQI is -1; when no RB resource is available, cycling all the CQI grade resource lists, and selecting the CQI grade resource list with most transmittable bits to schedule; and updating rest frequency domain resources. After application of the method for quick allocation of frequency domain resources, data processing volume can be reduced according to optimal data throughput on the premise that resource allocation effects are unaffected.

Description

technical field [0001] The present invention relates to the technical field of communications, and more specifically, to a method for rapidly allocating frequency domain resources. Background technique [0002] In order to select continuous resource blocks (RBs) that can meet the number of transmission bits, the selection is performed from 0 to 16 levels according to the channel quality indicator (CQI). Level 0 has the worst channel quality, and Level 15 has the best channel quality. When the RB conforms to the high-level CQI, it also conforms to the low-level CQI by default. The 16 CQI-level resource tables store the resources of different CQIs and the number of transmittable bits. Initialize the CQI level value that meets the requirement of the number of transmission bits to -1. [0003] 1. Start searching from the first RB, store the RB-related information in the CQI level resource table not higher than that supported by the RB, store it in the high CQI level resource ...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04W72/12
Inventor 穆铁忠王杨
Owner POTEVIO INFORMATION TECH
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