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User equipment, network node and method therein for enabling device-to-device (d2d) communication in a radio communication network

A technology for network nodes and user equipment, applied in the directions of wireless communication, electrical components, pilot signal distribution, etc., can solve the problem of D2D communication not being automatically protected, and achieve the effect of improving D2D communication

Active Publication Date: 2020-01-14
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Similarly, existing RRM techniques do not automatically protect D2D communications from cellular downlink reference signals

Method used

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  • User equipment, network node and method therein for enabling device-to-device (d2d) communication in a radio communication network
  • User equipment, network node and method therein for enabling device-to-device (d2d) communication in a radio communication network
  • User equipment, network node and method therein for enabling device-to-device (d2d) communication in a radio communication network

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Embodiment Construction

[0037] The figures are schematic and simplified for the sake of clarity, and they only show details essential for understanding the embodiments presented herein, while other details have been omitted. In all figures, the same reference numerals are used for the same or corresponding parts or steps.

[0038] image 3 An example of a radio communication network 100 in which embodiments herein may be implemented is shown. Although in figure 1 Shown here as an LTE network, the wireless communication network 100 may be any wireless communication system, such as LTE-Advanced, Wideband Code Division Multiple Access (WCDMA), Global System for Mobile Communications / Enhanced Data Rates for GSM Evolution (GSM / EDGE), Worldwide Interoperability for Microwave Access (WiMax), Ultra Mobile Broadband (UMB) or GSM networks, or other 3GPP cellular networks or systems. The radio communication system 100 comprises network nodes 110-112.

[0039] Each of the network nodes 110-112 may be, for ...

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PUM

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Abstract

A method performed by a first user equipment (UE) (121) to enable device-to-device (D2D) communication (141) with a second UE (122) in a radio communication network (100) is provided. The first UE (212) is configured to perform D2D communication (141) on downlink cellular resources in the radio communication network (100). The first UE (121) measures the received signal strength of a Reference Signal (RS) on downlink cellular resources from one or more network nodes (110, 111, 112) in the radio communication network (100). The first UE (212) then determines a first subset of downlink cellular resources for which the measured received signal strength of the RS is higher than or equal to a threshold. Furthermore, the network node sends information indicative of the determined first subset of downlink cellular resources to a network node serving the first UE (121) in the radio communication network (100) to enable D2D communication ( 141). Also provided are a first UE (121), a network node (110) and a method therein for enabling D2D communication between a first UE (121) and a second UE (122) in a radio communication network (100).

Description

technical field [0001] Embodiments herein relate to device-to-device (D2D) communication between user equipments in a radio communication network. In particular, embodiments herein relate to a user equipment, a network node and a method therein for enabling device-to-device (D2D) communication in a radio communication network. Background technique [0002] In a typical wireless communication network, wireless terminals (also referred to as mobile stations, terminals and / or user equipment (UE)) communicate via a radio access network (RAN) to one or more core networks. A radio access network covers a geographical area divided into cell areas, each of which is served by a base station, such as a radio base station (RBS), or network node, which in some networks may also be referred to as, for example, a "NodeB" or "eNodeB". A cell is a geographical area where radio coverage is provided by a radio base station at the base station site or at the antenna site (if the antenna is n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/10H04W76/14H04L5/00H04W72/54
CPCH04W72/02H04L5/0007H04L5/0048H04W76/14H04W72/542H04W24/10
Inventor 盖博·福多珀·斯凯乐马克克里斯托马斯·库斯马尼斯歌瓦汉·瓦拉基那斯·马杜吉里
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD