Method, system and equipment for scheduling

A device and scheduling technology, which is applied to the separation device, electrical components, wireless communication and other directions of the transmission path. It can solve the problem that overlapping subframes cannot be scheduled, and achieve the effect of improving system performance and resource utilization.

Inactive Publication Date: 2011-10-19
CHINA ACAD OF TELECOMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention improves how data can be transmitted between two devices by allowing multiple connections simultaneously without interference from each other's signals or even if they don’t work properly together at all times. This means that more efficient use of resources may result when there are fewer users than usual working with one device for example due to increased demand caused by new applications being developed later.

Problems solved by technology

This patented describes how mobile devices communicate wirelessly between themselves without being limited within certain limits due to their limitations like low battery capacity caused by factors like high power consumption. To address this problem, various techniques were developed during the development process called Carrier Assignment Multi Access (CAMA). These techniques involve assigning specific resources among neighboring wireless communication networks based upon predetermined criteria. However, some issues still exist even though they could lead to overlap between adjacent network elements.

Method used

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  • Method, system and equipment for scheduling
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  • Method, system and equipment for scheduling

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Embodiment Construction

[0045] In the embodiment of the present invention, when the network side device needs to schedule user equipment that uses different time-division duplex TDD uplink / downlink configurations for carrier aggregation, it sends a message containing DCI (Downlink Control Information, Downlink Control Information) of the SIF (Subframe Indication Field) used to schedule a carrier different from the TDD uplink / downlink configuration in this carrier; where n is an integer not less than 0. Since it is possible to perform cross-carrier scheduling on overlapping subframes after carrier aggregation using different TDD uplink / downlink configurations, system performance and resource utilization are improved.

[0046] In implementation, the implementation of the present invention can also be applied to non-overlapping subframes for cross-carrier scheduling.

[0047] Unless otherwise specified, the user equipments described below are all user equipments that use carriers with different TDD upl

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Abstract

The embodiment of the invention relates to the technical field of wireless communication, in particular to a method, a system and equipment for scheduling, which are used for conducting span-carrier wave scheduling on overlapped subframes after using carrier wave aggregation with different TDD (time division duplex) uplink/downlink configuration. The method in the embodiment of the invention comprises the following steps: when network side equipment needs to carry out scheduling to user equipment using the carrier waves with different TDD uplink/downlink configuration to carry out aggregation, SIF (sound intermediate frequency) for scheduling the carrier waves with the configuration different from the TDD uplink/downlink configuration of the carrier waves is determined; the network side equipment transmits DCI (data communication interrogate) containing the SIF to a user terminal by bearing downlink subframes n in the carrier waves of downlink control information, wherein n is integral number not less than 0. In the invention, span-carrier wave scheduling can be carried out on the overlapped subframes aiming at the aggregated carrier waves with different TDD uplink/downlink configuration, and the system performance and the resource utilization rate can be improved.

Description

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Claims

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Application Information

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Owner CHINA ACAD OF TELECOMM TECH
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