Dispatching method and device for user terminal

A technology of a user terminal and a scheduling method, applied in the field of user terminal scheduling methods and devices, capable of solving problems such as low utilization rate of time-frequency resources, achieving the effect of improving utilization rate and avoiding relatively low utilization rate

Active Publication Date: 2015-01-14
CHINA MOBILE COMM GRP CO LTD
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  • Abstract
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Problems solved by technology

[0004] Embodiments of the present invention provide a user terminal scheduling method and device to sol

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  • Dispatching method and device for user terminal
  • Dispatching method and device for user terminal
  • Dispatching method and device for user terminal

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Example Embodiment

[0017] In order to solve the problem in the prior art that may lead to relatively low utilization of time-frequency resources, the present invention provides a scheduling method for user terminals. The solution uses user terminals that can be scheduled on the same time-frequency resource , determine the user terminal to be scheduled whose energy efficiency value is greater than the preset energy efficiency threshold when using the time-frequency resource to send downlink data, and then use the time-frequency resource to send downlink data for the determined user terminal to be scheduled. Since the energy efficiency value is used as the selection basis when determining the user terminal to be scheduled, the energy efficiency value when sending downlink data for the determined user terminal to be scheduled at the same time on the same time-frequency resource can reach a better value , which is greater than the amount of data transmitted by using this time-frequency resource in th...

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Abstract

The invention discloses a dispatching method and device for a user terminal. The dispatching method and device are used for solving the problem that the utilization rate of time frequency resources is possibly low in the prior art. The method includes the steps that, to-be-dispatched user terminals with the energy efficiency value larger than the preset energy efficiency threshold when the time frequency resources are used for sending downlink data are determined in user terminals capable of being dispatched on the same time frequency resource; the to-be-dispatched user terminals meet the condition that the sum of the sending power values needed in sending the downlink data to all the to-be-dispatched user terminals respectively is not larger than the maximum sending power value of a base station; the downlink data are sent to the to-be-dispatched user terminals through the time frequency resources.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular to a user terminal scheduling method and device. Background technique [0002] Constellation overlapping technology, that is, Dynamic Code Division Multiplexing (DCDM) technology, is mainly designed for multiple users with very different channel qualities. After the downlink data is modulated by using different modulation modes, the obtained modulated signals are superimposed and sent using the same time-frequency resource. Specifically, when the constellation overlapping technology is not used, the downlink data of user terminal 1 and the downlink data of user terminal 2 are independent of each other, have their own constellation diagrams, and use different time-frequency resources for transmission. When the constellation overlapping technology is used, for a time-frequency resource, first determine two user terminals 1 and 2 to be scheduled from among t...

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Application Information

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IPC IPC(8): H04W72/12
CPCH04W72/121Y02D30/70
Inventor 韩双锋潘振岗易芝玲
Owner CHINA MOBILE COMM GRP CO LTD
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