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Co-scheduling of wireless devices

A wireless device and a common technology, applied in the field of co-scheduling of wireless devices, can solve problems such as unreliable PMI reports

Pending Publication Date: 2019-07-02
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in multi-user MIMO scenarios where two or more wireless devices are co-scheduled, PMI reporting is not reliable

Method used

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  • Co-scheduling of wireless devices
  • Co-scheduling of wireless devices
  • Co-scheduling of wireless devices

Examples

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Embodiment Construction

[0035] The inventive concepts will now be described more fully hereinafter with reference to the accompanying drawings, in which certain embodiments of the inventive concepts are shown. However, the inventive concept 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 as examples so that this disclosure will be thorough and complete, and fully convey the scope of the inventive concept to those skilled in the art. Like numbers refer to like elements throughout the specification. Any steps or features indicated by dashed lines should be considered optional.

[0036] figure 2 is a schematic diagram illustrating a communication network 100 in which embodiments presented herein may be applied. The communication network 100 includes a radio access network 110 , a core network 130 and a service network 140 .

[0037] The radio access network 110 comprises at least one transmiss...

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PUM

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Abstract

There is provided mechanisms for co-scheduling wireless devices in a communications network. A method is performed by a network node. The method comprises obtaining first directional information indicating direction of transmission to a first wireless device. The method comprises obtaining second directional information indicating direction of transmission to a second wireless device. The method comprises rejecting a hypothesis of co- scheduling the first wireless device and the second wireless device when at least one of the direction of the second wireless device and angular spread of the direction to the second wireless device is within angular spread of the direction to the first wireless device.

Description

technical field [0001] Embodiments presented herein relate to methods, network nodes, computer programs and computer program products for co-scheduling wireless devices in a communication network. Background technique [0002] In communication networks, there can be challenges in obtaining 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, multiple antenna technology has the potential to increase the data rate and reliability of wireless communication networks. Both the transmitter and receiver are equipped with multiple antennas, resulting in a multiple-input multiple-output (MIMO) communication channel. [0004] The Long Term Evolution (LTE) standard is currently under development, which has enhanced MIMO support. One element in LTE is support for MIMO antenna deployment and MIMO-related technologies. Currently, LTE-Advanced supports an 8-lay...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04B7/0452
CPCH04B7/0452H04W4/027H04W72/51H04L1/0026H04L5/0023H04W64/006H04W72/121
Inventor 弗雷德里克·阿什莉塞巴斯蒂安·菲克斯尔
Owner TELEFON AB LM ERICSSON (PUBL)