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A method and system for allocating downlink traffic channel resources

A technology of traffic channels and resources, which is applied in the field of allocation of downlink traffic channel resources to achieve the effect of increasing capacity and increasing the probability of space division multiplexing

Active Publication Date: 2017-04-05
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no method and system for allocating downlink traffic channel resources in the LTE system based on the new AAS

Method used

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  • A method and system for allocating downlink traffic channel resources
  • A method and system for allocating downlink traffic channel resources
  • A method and system for allocating downlink traffic channel resources

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Experimental program
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Embodiment Construction

[0052]The basic idea of ​​the present invention is: according to the number of beams of the AAS and the traffic channel resources of the pre-divided cell, generate corresponding multiples of the traffic channel resources of the divided cell; obtain the user queue to be scheduled in the cell, and obtain the queue in turn The received power of each user in each beam area; according to the obtained received power, determine the activated beam area of ​​each user, and the activated beam area is the beam area for allocating traffic channel resources to the user; respectively according to the activated beam area of ​​each user Allocate traffic channel resources.

[0053] The first embodiment of a method for allocating downlink traffic channel resources provided by the present invention is as follows: figure 2 As shown, the method includes:

[0054] Step 201, according to the number of beams of the AAS and the traffic channel resources of the pre-divided cell, generate correspondin...

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Abstract

The present invention provides a method and system for allocating downlink traffic channel resources. The method includes: according to the number of active antenna system (AAS) beams and the traffic channel resources of the cell before being divided, generate corresponding multiples of divided The traffic channel resource of the rear cell; obtain the user queue to be scheduled in the cell, and sequentially obtain the receiving power of each user in the queue in each beam area; determine the activation beam area of ​​each user according to the obtained receiving power, and the activation The beam area is a beam area for allocating traffic channel resources to users; the traffic channel resources are allocated respectively according to the active beam area of ​​each user. The present invention can increase the probability of space division multiplexing, thereby increasing the capacity of the service channel.

Description

technical field [0001] The present invention relates to traffic channel resource allocation technology, in particular to a method and system for allocating downlink traffic channel resources in a Long Term Evolution (LTE) system. Background technique [0002] At present, in order to improve the traffic channel capacity in the LTE system, space division multiplexing is usually performed by utilizing the weak correlation characteristic of multiple user spatial channels to allocate downlink traffic channel resources. However, the effect of space division multiplexing using the weak correlation characteristics of multiple user space channels depends entirely on the degree of correlation between the base station antenna and the space channel. When the base station antenna is strongly correlated with the space channel, the space division multiplexing The probability of use is very low, and the capacity of the service channel cannot be effectively improved. [0003] In the past, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/02H04W16/28
CPCH04W16/28H04B7/0617H04B7/0632H04B7/0695H04W72/566
Inventor 华亚维姚春峰刘巧艳
Owner ZTE CORP