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Method and node relating to system information acquisition during flexible subframe operation

A system information and flexible subframe technology, applied in the field of telecommunication systems, which can solve problems such as loss of scheduling authorization

Active Publication Date: 2018-06-12
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0031] - loss of scheduling grants sent by a network node because the UE may not be able to use the network node;

Method used

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  • Method and node relating to system information acquisition during flexible subframe operation
  • Method and node relating to system information acquisition during flexible subframe operation
  • Method and node relating to system information acquisition during flexible subframe operation

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Embodiment Construction

[0053] In an embodiment of the present invention, the problem of performance degradation of receiving and transmitting data in the serving cell during SI acquisition occurs when the wireless device is configured with a flexible subframe allocation scheme, which transmits at least a minimum number Nmin of UL Feedback signals are processed in response to the resolution that the wireless device obtains DL data in the SI time period. This value Nmin is associated with the flexible subframe allocation scheme for which the wireless device is configured and is thus obtained by the wireless device and by the network node serving the wireless device. The value Nmin can thus be set so that the serving cell performance can be guaranteed at a certain level. This performance is guaranteed by some minimum number of DL subframes that the UE is able to receive data from the serving cell in the time period during which the wireless device uses autonomous gaps to obtain the SI of another cell. ...

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PUM

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Abstract

The present disclosure relates to a method performed in a wireless device located in a first cell operated by a network node of a wireless communication system. The method includes obtaining (510) system information of a second cell using at least one autonomous gap during a time period. The wireless device is configured with flexible subframe allocation in the first cell for at least a portion of the time period. The method further comprises obtaining (520) a value Nmin corresponding to a minimum number of uplink feedback signals, wherein the value Nmin is associated with the flexible subframe allocation scheme. The method also includes transmitting (530) at least a minimum number Nmin of the uplink feedback signal in response to the downlink data during the time period. The present disclosure also relates to a method in a network node as well as the wireless device and the network node.

Description

technical field [0001] Embodiments herein relate to wireless communication systems, such as telecommunication systems. Disclosed are methods and wireless devices for managing uplink (UL) feedback during system information (SI) acquisition when flexible subframe operation is configured, and for assisting during SI acquisition when flexible subframe operation is configured Method and network node for wireless device management UL feedback. Furthermore, a corresponding computer program and computer program product are disclosed. Background technique [0002] In telecommunication systems, a flexible subframe scheme can be applied to better adapt the number of UL and downlink (DL) subframes to current traffic conditions. For example, when there is mainly DL traffic, it is preferable to use a scheme with many DL subframes. [0003] Flexible Subframes in Dynamic Time Division Duplex [0004] In a dynamic time division duplex (TDD) system, a group of subframes are fixed subfram...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04W36/0088H04W72/21H04W24/10H04W72/0446H04L1/1812H04W48/08H04W72/044H04W72/1263
Inventor A·贝拉万M·卡兹米I·西欧米纳
Owner TELEFON AB LM ERICSSON (PUBL)
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