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Closed loop remote interference management

A long-range, interference-level technology, applied in network traffic/resource management, wireless communication, electrical components, etc., can solve existing problems and other problems

Pending Publication Date: 2021-08-06
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0055] alas, current long-range interference mitigation schemes are still problematic

Method used

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  • Closed loop remote interference management
  • Closed loop remote interference management
  • Closed loop remote interference management

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A1

[0199]Example Al. A network node configured to communicate with a wireless device (WD), the network node configured to and / or comprising a radio interface and / or comprising processing circuitry configured to:

[0200] determining at least one message corresponding to closed-loop feedback for remote interference mitigation; and

[0201] Optionally transmit at least one message.

[0202] Example A2. The network node of embodiment A1, wherein the processing circuit is further configured to determine at least one message by being configured to determine one of at least two messages, a first message of the at least two messages providing a positive response to increase long-range interference mitigation. a mitigation indication, and a second of the at least two messages provides a negative mitigation indication to cease or reduce remote interference mitigation.

[0203] Example A3. The network node of embodiment A2, wherein the determined message is one of three messages, where...

Embodiment B1

[0206] Example B1. A method implemented in a network node, the method comprising:

[0207] determining at least one message corresponding to closed-loop feedback for remote interference mitigation; and

[0208] Optionally transmit at least one message.

[0209] Example B2. The method of embodiment B1, wherein determining at least one message further comprises determining one of at least two messages, a first of the at least two messages providing a positive mitigation indication of increased remote interference mitigation, and the at least two messages of The second message provides a negative mitigation indication to stop or reduce remote interference mitigation.

[0210] Example B3. The method of embodiment B2, wherein the determined message is one of three messages, wherein the second message provides a negative mitigation indication to stop remote interference mitigation, and the third message provides a negative mitigation indication to decrease remote interference mi...

Embodiment C1

[0213] Example C1. A network node configured to communicate with a wireless device (WD), the network node configured to and / or comprising a radio interface and / or comprising processing circuitry configured to:

[0214] receiving at least one message corresponding to closed-loop feedback for remote interference mitigation; and

[0215] Based on the at least one message received, mitigating action is taken.

[0216] Example C2. The network node of embodiment C1, wherein the at least one message received is one of at least two messages, a first of the at least two messages providing a positive mitigation indication that increases remote interference mitigation applied by the network node, And a second of the at least two messages provides a negative mitigation indication to stop or reduce remote interference mitigation applied by the network node.

[0217] Example C3. The network node of Embodiment C2, wherein the received message is one of three messages, wherein the second ...

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PUM

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Abstract

Methods and apparatuses are disclosed for a closed-loop remote interference management framework. In one embodiment for a victim node, a method includes determining one of at least two messages corresponding to a closed-loop feedback for remote interference mitigation, the at least two messages comprising a first message and a second message, the first message providing a positive mitigation indication and the second message providing a negative mitigation indication; and transmitting the determined one of the at least two messages to another network node. In another embodiment for an aggressor node, a method includes receiving one of at least two messages corresponding to a closed-loop feedback for remote interference mitigation; and taking a remote interference mitigation action based on the received one of at least two messages.

Description

technical field [0001] The present disclosure relates to wireless communications, and in particular, to closed-loop Remote Interference Management (RIM). Background technique [0002] Interference Protection in Time Division Duplex (TDD) Networks [0003] A wireless cellular network is usually composed of cells, ie organized into cells. Each cell may be defined by a specific coverage area of ​​a network node, such as a radio base station (BS) (eg, eNB, gNB, etc.). Network nodes communicate wirelessly with terminals / wireless devices (WD), such as user equipment (UE) in the network. Communications can be performed in paired or unpaired spectrum. In the case of paired spectrum, the downlink (DL) (i.e. from the network node to the wireless device) and uplink (UL) (i.e. from the wireless device to the network node) directions can be separated in frequency, known as frequency division Duplex (FDD). In the case of unpaired spectrum, DL and UL can use the same spectrum, which i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/54
CPCH04W72/27H04W72/541H04W28/0236
Inventor M·孙德贝格S·法克塞尔F·巴拉克
Owner TELEFON AB LM ERICSSON (PUBL)