Triggering pilot transmission for mobility measurements

A mobility and beam-emitting technology, applied in the field of triggering of mobility measurement, can solve problems such as long measurement period, slow handover and beam update

Active Publication Date: 2017-08-18
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The natural alternative of continuously transmitting in different beams results in longer measurement periods, slower handoffs and beam updates

Method used

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  • Triggering pilot transmission for mobility measurements
  • Triggering pilot transmission for mobility measurements
  • Triggering pilot transmission for mobility measurements

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Embodiment Construction

[0031] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which certain embodiments of the inventive concept are shown. However, this inventive concept can be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein; more precisely, these embodiments are provided by way of example so that this disclosure will be thorough and It is complete and will fully convey the scope of the inventive concept to those skilled in the art. Similar reference numerals refer to similar elements throughout this description. Any steps or features illustrated by dashed lines should be considered optional.

[0032] figure 1 It is a schematic diagram illustrating the communication network 10 in which the embodiments proposed herein can be applied. The communication network 10 includes radio access network nodes RANN 11a, 11b, 11c. The RANN may be any combination of radio base stati...

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Abstract

There is provided a method for triggering mobility measurements for a wireless device. The method is performed by a radio access network node (RANN). The RANN is configurable to transmit using a set of transmission beams. The method comprises receiving signaling from a wireless device (WD). The user traffic signaling is indicative of a current position of the WD and a performance quality metric of the WD. The method comprises, only in a case the performance quality metric fulfils a location dependent performance quality criterion, activating transmission of mobility pilot signals to the WD in at least one transmission beam in the set of transmission beams. The method comprises, thereafter, instructing the WD to perform measurements on the at least one transmission beam.

Description

Technical field [0001] The embodiments presented herein relate to the triggering of mobility measurement, and in particular to a method for triggering mobility measurement for wireless devices, radio access network nodes, computer programs, and computer program products. Background technique [0002] In a communication network, the following challenges may exist: to obtain good performance and capacity for a given communication protocol, its parameters, and the physical environment in which the communication network is deployed. [0003] For example, handover is a critical part of any cellular communication network. Handover can be defined as the following process: the ongoing connection of a wireless device is transferred from one radio access network node (denoted as serving radio access network node) to another radio access network node (denoted as target radio access Network node) in order to achieve transparent services over a large coverage area. The handover should be perf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00
CPCH04W36/0072H04W36/0088H04W36/06H04W36/30H04L5/0048H04W36/0094H04W64/00
Inventor A·塞德格伦A·雷亚尔C·蒂德斯塔夫
Owner TELEFON AB LM ERICSSON (PUBL)
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