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Methods and devices for downlink flow control in wireless communication systems

A downlink and flow control technology, applied in the field of wireless communication, can solve the problems of wireless link delay reduction, limiting flow control performance bottlenecks, etc.

Active Publication Date: 2018-08-21
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] With improvements in the 5G air interface, wireless link latency can be significantly reduced, but backhaul latency is not, which can create a bottleneck that limits flow control performance

Method used

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  • Methods and devices for downlink flow control in wireless communication systems
  • Methods and devices for downlink flow control in wireless communication systems
  • Methods and devices for downlink flow control in wireless communication systems

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Embodiment Construction

[0030]Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In the following description, numerous specific details are shown in order to provide a more complete understanding of the present disclosure. However, it will be apparent to those skilled in the art that the present invention may be practiced without these details. Furthermore, it should be understood that the invention is not limited to the particular embodiments as presented herein. Rather, any combination of the following features and elements may be considered in order to realize and practice the invention, whether they relate to different embodiments or not. For example, although the following is described in the context of a 5G cellular communication system for illustrative purposes, those skilled in the art will recognize that one or more embodiments of the present disclosure are also applicable to various other types of cellular communication system. According...

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Abstract

One embodiment of the present disclosure relates to a method for operating in a terminal device for downlink flow control. The terminal device receives duplicated packets from a first network node device and one or more secondary network node devices. The method comprises measuring downlink transmission information for the first network node device and the one or more secondary network node devices; deciding downlink flow control information based on the measured downlink transmission information; and sending the downlink flow control information to at least the first network node device. According to other aspects of the present disclosure, there are provided corresponding methods and devices.

Description

technical field [0001] The present disclosure relates generally to wireless communications and, in particular, to methods and apparatus for flow control in downlink multipoint diversity. Background technique [0002] This section is intended to provide a context for various embodiments of the invention that are described in this disclosure. The description herein may include concepts that could be pursued, but not necessarily concepts that have been previously conceived or pursued. Therefore, unless otherwise indicated herein, what is described in this section is not prior art to the description and / or claims in the present disclosure and is not admitted to be prior art by mere inclusion in this section. [0003] Coordinated Multipoint (CoMP) has been discussed by the 3rd Generation Partnership Project (3GPP) as a typical case among existing multipoint diversity mechanisms. Among the different modes for downlink (DL) CoMP implementation, joint transmission is a possible wa...

Claims

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Application Information

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IPC IPC(8): H04W72/08H04W24/10
CPCH04W24/10H04W28/02H04L47/34H04W28/0236H04L5/00H04W72/23H04W28/065H04W28/12
Inventor 朱怀松卢前溪张战
Owner TELEFON AB LM ERICSSON (PUBL)
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