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A downlink scheduling method and device

A scheduling method and technology of a scheduling unit, which are applied in the field of communication, can solve problems such as easy interference and complex scheduling of LTE downlink trunking group call services, and achieve the effect of avoiding interference

Active Publication Date: 2020-06-16
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide a downlink scheduling method and device to solve the problem in the prior art that the scheduling of LTE downlink trunking group call services is complex and likely to cause interference

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  • A downlink scheduling method and device
  • A downlink scheduling method and device
  • A downlink scheduling method and device

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0050] In order to solve the problem in the prior art that the scheduling of downlink trunking group call services is complex and likely to cause interference in the LTE trunking system, in the embodiment of the present invention, the base station establishes a logical cell, and all the downlink trunking group call services are grouped into into the logical cell, and allocate first frequency domain resources for the logical cell, the base statio...

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Abstract

The invention relates to the field of communications, and especially relates to a downlink scheduling method and device. The method comprises the following steps: establishing a logical cell for all downlink cluster group calling services by a base station and allocating a first frequency domain resource for the logical cell; respectively scheduling all downlink cluster group calling services in the logical cell by the base station based on the first frequency domain resource, and obtaining resource allocation results respectively corresponding to all downlink cluster group calling services; and respectively transmitting downlink service data of all downlink cluster group calling services to a terminal by the base station according to the resource allocation results respectively corresponding to all downlink cluster group calling services by adopting a preset scrambling mode. Therefore, the interference problem of downlink scheduling is solved, and receiving gains are also brought to acluster terminal.

Description

technical field [0001] The present invention relates to the communication field, in particular to a downlink scheduling method and device. Background technique [0002] In the Long Term Evolution (LTE) trunking system, according to the Broadband Trunking Communication (B-TrunC) standard proposed by the China Communications Standards Association (CCSA), the trunking base station needs to support the Simultaneously schedule unicast services and multicast services in the same downlink transmission time interval (Transmission Time Interval, TTI), and for multiple multicast services, each multicast service needs to be performed in multiple cells of the same cluster base station multicast. Since the downlink trunking group call service is a point-to-multipoint service, in order to save air interface resources, the standard proposes a group shared channel, that is, multiple terminals in the same group share the same trunking control channel (Trunking Control Channel, TCCH) and tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/0453H04W72/1273
Inventor 林秋利贺英英赵义
Owner DATANG MOBILE COMM EQUIP CO LTD