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Wireless device, network node and method therein for receiving and transmitting system information in a wireless communication network

A technology of wireless communication network, system information, applied in the field of wireless devices

Active Publication Date: 2020-12-15
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This also means that an increased number of capable wireless devices (i.e., wireless devices with a wide range of possible RFs) in a wireless communication network will also lead to an increased number of wireless devices that potentially take longer to scan their possible carrier frequencies. Increase the number of

Method used

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  • Wireless device, network node and method therein for receiving and transmitting system information in a wireless communication network
  • Wireless device, network node and method therein for receiving and transmitting system information in a wireless communication network
  • Wireless device, network node and method therein for receiving and transmitting system information in a wireless communication network

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Embodiment Construction

[0032] The figures are schematic and simplified for clarity, and they only show details essential to the understanding of the embodiments presented herein, while other details are left out. Throughout, the same reference numerals are used for equivalent or corresponding parts or steps.

[0033]As part of understanding and developing the embodiments described herein, some further issues and issues will first be identified and discussed in more detail.

[0034] One problem identified in wireless communication networks of LTE is that network nodes continuously broadcast system information including PLMNs, regardless of whether any wireless device served by the network node actually reads the broadcasted system information. Therefore, solutions aiming at minimizing the broadcasting of system information in order to be more energy efficient and generate less interference in wireless communication networks are proposed. An example of such a solution is called System Control Panel S...

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Abstract

A method performed by a wireless device (121) for receiving system information from a network node (110) in a wireless communication network (100) is provided. First, a first wireless device receives first system information indicating one or more Public Land Mobile Networks, PLMNs, supported by a network node (110) on a frequency carrier. The wireless device then determines whether the one or more PLMNs indicated in the first system information exclude all PLMNs supported by the wireless device (121). When the one or more PLMNs indicated in the first system information do not exclude all PLMNs supported by the wireless device (121), then the wireless device receives the one or more PLMNs supported by the network node (110) on a frequency carrier or second system information of multiple PLMNs. A wireless device (121) for receiving system information is also provided. Furthermore, a network node and a method therein for communicating system information are also provided.

Description

technical field [0001] Embodiments herein relate to system information in a wireless communication network. In particular, embodiments herein relate to wireless devices, network nodes and methods therein for receiving and transmitting system information in a wireless communication network. Background technique [0002] In a typical wireless communication network, wireless devices, also known as mobile stations, terminals and / or user equipment UE, communicate via a radio access network RAN ​​to one or more core networks CN. A radio access network covers a geographical area divided into cell areas, each served by a base station, such as a radio base station, RBS, or a network node (in some networks they may also be referred to as eg "NodeB" or "eNodeB"). A cell is a geographical area where radio coverage is provided by a radio base station at a base station site or at an antenna site, in case the antenna and radio base station are not co-located. Each cell is identified by a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/18H04W48/20
CPCH04W48/18H04W48/20H04W48/10H04W48/16
Inventor I.L.J.达斯瓦J.L.普拉达斯J.鲁内G.米尔德
Owner TELEFON AB LM ERICSSON (PUBL)