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Wireless communication system and method for handling wireless communication enhancing handover

A technology of wireless communication system and communication area, applied in wireless communication, radio transmission system, transmission system, etc., can solve the problem of wasting network resources in user experience of switching parameter settings

Active Publication Date: 2020-05-05
FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In traditional handover, incorrect handover parameter settings can negatively affect user experience and waste network resources by causing handover ping-pong, handover failure (HOF) and radio link failure (RLF)

Method used

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  • Wireless communication system and method for handling wireless communication enhancing handover
  • Wireless communication system and method for handling wireless communication enhancing handover
  • Wireless communication system and method for handling wireless communication enhancing handover

Examples

Experimental program
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Embodiment Construction

[0072] Some embodiments described herein relate to the attention mode that the base station is switched to or set / controlled into. Attention mode refers to when the BS starts scheduling and / or serving UEs.

[0073] figure 1 The shown wireless communication system comprises various terrestrial base stations 2, 2' having beams covering different communication areas 3, 3'. The base stations 2, 2' are connected to the coordination unit 4. Also shown are the different beams of the base stations 2, 2', which in one embodiment are also specifically addressed by the coordinating unit 4 as part of the information related to a possible handover.

[0074] figure 2 Two different travel routes or trajectories of a vehicle as an example of a user equipment 10 within the wireless communication system 1 are shown. User equipment is not limited to vehicles, but may also belong to, for example, the Internet of Things.

[0075] The wireless communication system 1 comprises various base sta...

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PUM

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Abstract

The invention refers to a wireless communication system (1) comprising a plurality of base-stations (2, 2', 2'') covering different communication areas (3, 3', 3'') and a coordinator unit (4). The coordinator unit (4) compiles an expectation list with at least one base-station (2, 2', 2'') serving as a coordinated base-station (2, 2', 2'') for a possible handover concerning a user equipment (10) based on information about the user equipment (10). The coordinator unite (4) provides the at least one base-station (2, 2', 2'') of the expectation list with handover information concerning the possible handover. The at least one base-station (2, 2', 2'') of the expectation list goes into an attention mode after receiving the handover information from the coordinator unit (4). The invention also refers to a corresponding method.

Description

technical field [0001] The present invention relates to a wireless communication system and a method for processing wireless communication. Background technique [0002] Fast-moving objects (vehicles, trains, drones, unmanned aerial vehicles (UAVs), high-altitude platforms (HAPs), etc.) can experience severe service interruptions due to radio link failures (RLFs) due to lengthy traditional handover procedures. The term handover refers, for example, to the process of transferring an ongoing data channel from one base station to another. [0003] In LTE (Long Term Evolution) and advanced 3GPP (3rd Generation Partnership Project) wireless standards, when the Mobility Management Entity (MME) and Serving Gateway (SGW) are unchanged, handover is done using the X2 interface, for example, to use the The X2 interface handovers a user equipment (UE) from a source evolved node base station (S-eNodeB or S-eNB) to a target eNodeB (T-eNB) or target gigabit NB (T-gNB). The handover proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/24H04W56/00H04W36/28
CPCH04B7/18541H04B7/18504H04W36/008375H04W36/328H04W36/324H04W36/083H04W36/085H04W36/00835H04W36/322H04W36/00837H04W36/00692H04W84/042
Inventor 哈立德·肖基·哈桑·侯赛因托马斯·海恩
Owner FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
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