An Independent Carrier Scheduling Method in Carrier Aggregation Scenario

An independent carrier and carrier aggregation technology, applied in wireless communication, electrical components, etc., can solve problems such as inability to obtain optimal performance, adjust data volume ratio, and poor flexibility of data volume ratio, so as to achieve flexible allocation mechanism, effective adaptation, and improvement The effect of transmission efficiency

Inactive Publication Date: 2019-02-12
POTEVIO INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] Compared with round-robin and random allocation, this scheduling method can ensure that more data flows to carriers with better channel quality to a certain extent, but because it cannot flexibly adjust the proportion of data volume according to the service QoS satisfaction of each carrier, it makes The data volume ratio of each carrier is less flexible, and it is still unable to obtain optimal performance

Method used

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  • An Independent Carrier Scheduling Method in Carrier Aggregation Scenario
  • An Independent Carrier Scheduling Method in Carrier Aggregation Scenario
  • An Independent Carrier Scheduling Method in Carrier Aggregation Scenario

Examples

Experimental program
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Effect test

Embodiment approach

[0042] For the component carrier CCn whose service i satisfaction is less than the threshold Thcc_sat, adjust the data volume ratio of service i on this component carrier to:

[0043] R' CCn_i =R CCn_i ·Sat CCn_i (2)

[0044] Among them, R CCn_i is the data rate before adjustment on component carrier n for service i.

[0045] The data rate of service i on the component carrier m whose satisfaction degree is greater than or equal to the threshold Thcc_sat is increased by ΔRi :

[0046] R' CCm_i =R CCm_i +ΔR i , (3)

[0047] in,

[0048] N is the set of component carriers whose satisfaction of service i is less than the threshold Thcc_sat; K is the number of component carriers whose satisfaction of service i is greater than or equal to the threshold Thcc_sat.

[0049] Step 104: Calculate the guaranteed bit rate GBR of the service on each component carrier according to the adjusted service data volume of each component carrier, and then return to step 102.

[0050] ...

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Abstract

The invention discloses an independent carrier scheduling method in a carrier aggregation scene. The method comprises steps: A, when the transmission efficiency of each member carrier is not acquired, service data volumes are uniformly distributed for each member carrier; B, the service transmission satisfaction degree on each member carrier is periodically counted, and whether a service satisfaction degree on a certain carrier is lower than a preset threshold exists is judged, if yes, a step C is executed, or otherwise, the step B is repeated to be executed; and C, the service data volume for a member carrier whose service satisfaction degree is lower than the threshold is reduced, and the reduced service data volume is distributed to other member carriers. The technical scheme of the invention can effectively adapt to each carrier transmission feature, and the overall system transmission efficiency is enhanced.

Description

technical field [0001] The present application relates to the technical field of mobile communication, and in particular to an independent carrier scheduling method in a carrier aggregation scenario. Background technique [0002] Carrier Aggregation (CA, Carrier Aggregation) technology is the most direct method to increase the data transmission rate. The so-called carrier aggregation means that user data can be simultaneously transmitted on multiple component carriers (CC, Component Carrier), which is equivalent to increasing the transmission bandwidth of the user. In the LTE Rel-10 protocol, a user can use up to five CCs at the same time, so that the maximum transmission bandwidth of a single user can theoretically reach 100MHz, which will greatly increase the peak rate of user data transmission. [0003] A CC represents an uplink carrier or a downlink carrier, and an uplink CC and a downlink CC are associated through a certain correspondence to form a cell (Cell), so carr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/08
Inventor 韦玮吕征南
Owner POTEVIO INFORMATION TECH CO LTD
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