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Controlling communications between visible light communication access points and user equipments

A technology of visible light communication and user equipment, which is applied in the direction of free space transmission, electromagnetic wave transmission system, short-distance system, etc., and can solve problems such as being susceptible to interference

Active Publication Date: 2019-01-15
TELEFON AB LM ERICSSON (PUBL)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

VLC is an alternative to RF-based communication methods, but is also susceptible to interference in some environments

Method used

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  • Controlling communications between visible light communication access points and user equipments
  • Controlling communications between visible light communication access points and user equipments
  • Controlling communications between visible light communication access points and user equipments

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Embodiment Construction

[0016] The inventive concepts will be described more fully hereinafter with reference to the accompanying drawings, in which examples of embodiments of the inventive concepts are shown. However, inventive concepts may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the various inventive concepts to those skilled in the art. It should also be noted that these embodiments are not mutually exclusive. Components from one embodiment may by default be present / used in another embodiment.

[0017] Embodiments of the present disclosure relate to improvements in how to control communication between a VLC AP and a UE when the VLC AP has at least partially overlapping communication coverage areas. Although light sources for VLCAPs may have beams configured to provide better defined communication c...

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Abstract

A method by a coordination node is disclosed for controlling communications between visible Light Communication, VLC, Access Points, AP, (130) and User Equipments, UEs (108). The method includes identifying occurrence of an event relating to operation of a first VLC AP (130). The method further includes determining that a second VLC AP (130) and a third VLC AP (130) each have communication coverage areas that are at least partially within a communication coverage area of the first VLC AP (130), responsive to identification of occurrence of the event. The method then controls the second and thethird VLC APs (130) responsive to the determination to avoid their interfering with communications between the first VLC AP (130) and any UEs (108) within common communication coverage areas of the second or the third VLC APs (130). Related coordination nodes are disclosed.

Description

technical field [0001] The present disclosure relates generally to networking systems and methods, and more particularly to visible light communication (VLC) systems and associated access points (APs). Background technique [0002] With the explosion of smartphones, tablets, laptops, and other user equipment (UE) in enterprise (e.g., bring your own device or BYOD) and guest account scenarios, the demand for wireless bandwidth in high-density UE environments The demand keeps growing. Traditionally, WLAN (also known as Wireless Fidelity (WiFi)) is the primary means of connectivity for UEs. WLANs are generally defined in IEEE802.11 and its variants. As demand grows exponentially with the proliferation of such devices, the wireless spectrum necessary for communication between WiFi / WLAN access points (APs) and UEs is becoming increasingly scarce. [0003] Deploying more WiFi / WLAN access points (APs) may not be the right solution due to already high levels of interference from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/116
CPCH04B10/116H04B10/1141H04B10/114H04B10/1149
Inventor 尼古拉斯·塞维特梁宏鑫王琪
Owner TELEFON AB LM ERICSSON (PUBL)
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