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Method and a base station for detecting loss of synchronization

A technology for base stations and detection components, applied in synchronization devices, using return channels for error prevention/detection, power management, etc., can solve problems such as waste of radio resources, interference, etc., and achieve improved resource allocation, low power consumption, and reduced interference. volume effect

Inactive Publication Date: 2014-09-24
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This would result in a waste of radio resources that could actually be allocated for data transmission by other UEs (or users)
In addition, unnecessary radio transmissions generate interference in cells of the network, e.g. in one or several neighboring cells to the cell in which the UE is currently located

Method used

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  • Method and a base station for detecting loss of synchronization
  • Method and a base station for detecting loss of synchronization
  • Method and a base station for detecting loss of synchronization

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Embodiment Construction

[0020] In the following description, for purposes of explanation rather than limitation, specific details are set forth, such as particular architectures, situations, techniques, etc., in order to provide a thorough understanding of the present invention. It will be apparent, however, to those skilled in the art that the invention and its embodiments may be practiced in other embodiments that depart from these specific details.

[0021] Various embodiments of the invention are described herein with reference to certain example scenarios. In particular, the invention is described in a non-limiting general context relating to communication networks based on third generation (3G) long term evolution (LTE) concepts. It should be noted that the invention is not limited to 3G LTE, but can be applied in other wireless systems employing Discontinuous Reception (DRX), such as WiMAX (Worldwide Interoperability for Microwave Access) or HSPA (High Speed ​​Packet Access) or WCDMA ( Wideba...

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Abstract

The invention relates to a method for detecting loss of DRX synchronization in a telecommunication system. The invention also relates to a base station (200) configured to perform a method for detecting a loss in DRX synchronization. The method comprises the step of assigning radio resources to the UE for enabling the UE to send uplink information to the base station. The method further comprises the step of detecting a loss in DRX synchronization when there is no information expected by the base station on the assigned resources.

Description

technical field [0001] The present invention generally relates to the field of wireless communication, and more particularly to a method and a base station for detecting a loss of synchronization between a base station and a user equipment due to discontinuous reception (DRX). Background technique [0002] The 3rd Generation Partnership Project (3GPP) is in charge of standardization of the UMTS (Universal Mobile Telecommunications Service) system, and LTE (Long Term Evolution) is now being discussed as a next generation mobile communication system of the UMTS system. LTE is a technology for realizing high-speed packet-based communication capable of a data rate of about 100 Mbps on a downlink and a data rate of about 50 Mbps on an uplink. To this end, schemes and mechanisms are being discussed, eg schemes to reduce the number of network nodes in conventional UMTS networks. For example, a base station, also called eNB (Enhanced Node B) in LTE, will perform the functions of a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02H04W56/00
CPCH04W56/005H04L1/18H04W76/048H04W56/0075H04W76/04H04W76/20H04W76/28
Inventor G·佩莱蒂尔R·苏西泰瓦尔
Owner TELEFON AB LM ERICSSON (PUBL)