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Carrier processing method and device

A processing method, carrier technology, applied in the field of communication

Active Publication Date: 2017-12-26
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention is proposed in view of the problem that the always fixed carrier type in the related art cannot adapt to the change of the communication scene in the actual communication. Therefore, the main purpose of the present invention is to provide a carrier processing method and device to solve the above problems

Method used

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  • Carrier processing method and device

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0048] This example 1 describes that the base station autonomously determines to change the first component carrier from a compatible carrier to a sliced ​​carrier or an extended carrier.

[0049] When the initial configuration of the first component carrier is a compatible carrier, the base station may refer to the following factors to determine whether to change to a fragmented carrier or to change to an extended carrier. For example, the number of users in the cell is not large, and there is no shortage of PDCCH resources, but the transmission data of each user increases, which brings about a shortage of PDSCH resources in the system. Should the base station change the first component carrier to a fragmented carrier or change the To extend the carrier, it may be determined according to the sum of the bandwidths of the second component carrier and the first component carrier. If the sum of their bandwidths meets the requirements not to exceed the maximum bandwidth of a singl...

example 2

[0052] Example 2 describes that the base station autonomously determines to change the first component carrier from an extended carrier to a sliced ​​carrier or a compatible carrier.

[0053] When the initial configuration of the first component carrier is an extended carrier, the base station may refer to the following factors to determine whether to change to a fragmented carrier or to change to a compatible carrier. For example, when the PDCCH resource shortage occurs in the base station system due to scheduling, the base station can change the type of the first component carrier from an extended carrier to a fragmented carrier. Since the fragmented carrier shares a PDCCH resource with a compatible carrier, it can play a role in comparison with the extended carrier. Saving PDCCH resources; if PDCCH continues to experience resource shortage and congestion after the first component carrier is configured as a fragmented carrier, the base station can configure the first componen...

Embodiment 1

[0073] It is assumed that there are 3 component carriers in the system, and the carrier types are all compatible component carriers with continuous frequencies, and each component carrier is 10 MHz and belongs to the same band. It is assumed that there is no RRH node in the system.

[0074] When the system is in a low-peak period of traffic, the base station judges the traffic and concludes that one of the component carriers in the system can be configured as a fragmented carrier or an extended carrier to achieve the purpose of energy saving, and the remaining two component carriers continue to be compatible The component carrier type provides normal access capabilities for the system, etc.

[0075] Since the three component carriers are all carriers in the same band at this time, and the carrier frequencies of each other are continuous, if the base station needs to configure one component carrier as an extension carrier, then the base station can arbitrarily select a componen...

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Abstract

The present invention provides a carrier processing method and device. The method includes: the base station determines to change the type of the first component carrier; and notifies the user equipment of the type of the first component carrier through a compatible carrier. Through the present invention, the carrier type is changed in actual communication, and the change of the carrier type is coordinated between the base station and the user equipment, thereby comprehensively solving the problem that the carrier type is always fixed.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a carrier wave processing method and device. Background technique [0002] With the development of the mobile communication industry and the increasing demand for mobile data services, people have higher and higher requirements for the speed and quality of service (Qos) of mobile communication. Therefore, before the third generation of mobile communication (3G) has not yet Before large-scale commercial use, the research and development work on the next generation mobile communication system has already started. The typical example is the Long Term Evolution (LTE) project launched by the Third Generation Partnership Project (3GPP). The highest frequency spectrum that the LTE system can provide The bandwidth is 20MHz (megahertz). With the further evolution of the network, LTE-A (Evolved LTE), as an evolution system of LTE, can provide up to 100MHz of spectrum bandwidth and suppo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/18H04W88/08
CPCH04W72/0453H04W72/23
Inventor 苟伟夏树强戴博左志松
Owner ZTE CORP