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A method for independent carrier scheduling based on pre-allocation in multi-carrier system

A multi-carrier system and pre-allocation technology, applied in the field of wireless communication, can solve problems such as unbalanced load, active carrier congestion, waste of resources, etc., and achieve the effect of balancing load and avoiding unbalanced load

Inactive Publication Date: 2016-06-15
POTEVIO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0009] To sum up, according to the independent carrier scheduling method in the prior art, since users need to be allocated to different active carriers in advance, the current load situation of each active carrier is not considered when performing allocation, and, because different users support The QoS requirements of services are also different. Therefore, some activated carriers may cause waste of resources due to the small number of services carried, while some activated carriers may cause congestion due to the large number of services carried. It can be seen that the existing The independent carrier scheduling method in the technology may cause load imbalance among the active carriers

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  • A method for independent carrier scheduling based on pre-allocation in multi-carrier system
  • A method for independent carrier scheduling based on pre-allocation in multi-carrier system

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Embodiment Construction

[0029] In order to make the objectives, technical solutions, and advantages of the present invention clearer and more comprehensible, the solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0030] figure 1 This is a flowchart of a pre-allocation-based independent carrier scheduling method in a multi-carrier system provided by the present invention. Such as figure 1 As shown, the method includes the following steps:

[0031] Step 101: Pre-configure the length of the load balancing period timer.

[0032] Step 102: When each subframe arrives, it is determined whether the load balancing period timer expires, and if it expires, step 103 is executed; otherwise, step 104 is directly executed.

[0033] Step 103: Determine the pre-allocated queue of each activated carrier according to the updated priority of each activated carrier and the service levels of all services of all users.

[0034] Step 104: Priori...

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Abstract

The invention discloses a method for scheduling the independent carrier in a multi-carrier system based on preassigning, comprising the following steps: determining the preassigning queues of all activated carriers according to the priority of each updated activated carrier and the level of all services of all users when each sub-frame arrives and a load balancing cycle timer expires; sequencing the services in the preassigning queues of all the activated carriers in sequence accroding to the sequence of the priority of the services from high to low to form the priority queues of all the activated carriers; and finally allotting resources to all the services in the priority queues of all the activated carriers in sequence according to the sequence of the priority queues. Due to the adoption of the method, the load among all the activated carriers can be balanced.

Description

Technical field [0001] The present invention relates to the field of wireless communication, in particular to an independent carrier scheduling method based on pre-allocation in a multi-carrier system. Background technique [0002] In order to meet the needs of IMT-Advanced, 3GPP has carried out research on the LTE-Advanced project, which is the evolution of LTE. Among several key technologies of LTE-Advanced, carrier aggregation technology is the most direct method to increase data transmission rate. Multiple carriers can be used in combination. [0003] In a multi-carrier system, currently common scheduling algorithms that can be applied in a multi-carrier aggregation scenario are mainly independent carrier scheduling algorithm (CIS) and joint carrier scheduling algorithm (MCJS). Among them, the joint carrier scheduling algorithm changes the existing Rel-8 / 9 system architecture greatly, and the implementation of the independent carrier scheduling algorithm is more compatible wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/10H04W72/12
Inventor 胡静
Owner POTEVIO INFORMATION TECH CO LTD
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