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A semi-persistent scheduling resource allocation method and base station

A technology of semi-persistent scheduling and allocation method, applied in the field of communication, which can solve the problems of data packet transmission, reduction of voice service quality, data packet delay, etc.

Active Publication Date: 2017-06-16
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The number of PRBs determined by the existing technology is used for data transmission. When the data packet arrival cycle is shorter than the SPS cycle, one SPS cycle cannot transmit all the received data packets, and the remaining data packets will be accumulated in the cache, resulting in The delay of data packets reduces the quality of voice services

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  • A semi-persistent scheduling resource allocation method and base station
  • A semi-persistent scheduling resource allocation method and base station
  • A semi-persistent scheduling resource allocation method and base station

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Embodiment Construction

[0064] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection of the present invention. scope.

[0065] At present, the scheduling mode determined by LTE is divided into two types: SPS and dynamic scheduling. The existing SPS resource allocation method will cause larger data packet time delay and lower voice service quality. In order to solve the above-mentioned problems, the present invention implements The example provides a semi-persistent...

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Abstract

The present invention provides a semi-persistent scheduling resource allocation method and a base station. The method comprises: a base station receives a data packet sent by a UE during a voice call; the base station determines an MCS level and determines packet information of the data packet according to the received data packet, wherein the MCS level is determined by the base station according to a CQI of a channel that is used for the UE to send the data packet, and the packet information comprises a data packet size; the base station determines a data volume of each SPS according to formula I, wherein formula I is: the data volume of each SPS=min{preset maximum data volume of the SPS, the data packet size*[SPS period / data packet arrival period]}; and the base station determines the number of physical resource blocks (PRBs) according to the data volume of each SPS and the MCS level so as to allow the UE to transmit the data packet according to the number of the PRBs. By means of the method and the base station, time delay of a data packet can be reduced and quality of a voice service can be improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for allocating semi-persistent scheduling resources and a base station. Background technique [0002] In the communication system, LTE (Long Term Evolution, Long Term Evolution) adopts a shared resource allocation and scheduling system. Currently, LTE determines two scheduling modes: Semi-Persistent Scheduling (Semi-Persistent Scheduling, SPS for short) and dynamic scheduling. [0003] In the LTE system, all voice services in the circuit domain are cancelled, and VOIP (Voice over Internet Protocol, VoIP) services in the data domain are adopted. In the VOIP service, the speech coder outputs packets according to a fixed cycle, such as figure 1 as shown, figure 1 A schematic diagram of VOIP service data transmission is shown. In the transient state (no call) stage, there is no voice packet to be scheduled, and other services can be dynamically scheduled at...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/04
Inventor 王桂英刘晓丹
Owner DATANG MOBILE COMM EQUIP CO LTD