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Systems and techniques for silence management in multi-cell coordination

A processor and priority technology, applied in diversity/multi-antenna systems, power management, transmission systems, etc., can solve problems such as interference with adjacent base station transmissions

Active Publication Date: 2019-02-12
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, transmissions from one base station may interfere with transmissions from neighboring base stations

Method used

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  • Systems and techniques for silence management in multi-cell coordination
  • Systems and techniques for silence management in multi-cell coordination
  • Systems and techniques for silence management in multi-cell coordination

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Embodiment Construction

[0011] Embodiments of the present invention address improvements to coordinated multipoint communications, particularly multi-cell coordinated scheduling. In cellular communication systems, various methods for coordinated multipoint scheduling are being developed or used. These methods include centralized methods and decentralized methods. Base stations can coordinate the order of transmissions to avoid interference with each other. One mechanism is to silence transmissions that require specific resources or at specific times (silencing is defined as zero-power transmissions or intervals), while the other is to silence transmissions at specific resources or time periods with reduced power transmission. In a decentralized approach for coordinated scheduling, a cell (which may be represented by a base station) itself makes decisions about muting (that is, avoiding or scheduling transmissions for one or more of its user equipments) . In networks operating according to the sta...

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Abstract

Systems and techniques for negotiated control of multipoint coordination. The first device (such as a central entity or base station) signaling to the second device it is expected to coordinate radio transmission and claim control of the second device, or is ready to accept control of the second device. The consultation may include, for example, the acceptance of control, the rejection of control, the designation of resources controlled or exempt from control, and a priority-based decision for overturning the rejection or avoiding the rejection. The transfer is then coordinated based on the result of the negotiation.

Description

technical field [0001] The present invention relates generally to wireless network communications. More specifically, the present invention relates to improved systems and techniques for multi-cell coordinated scheduling. Background technique [0002] Availability in wireless network communications is an important goal that becomes increasingly important as the number of users and user demands for services continue to grow. Network operators want to minimize the infrastructure they have to provide. Furthermore, frequency bands dedicated to wireless network communications are a limited and valuable resource, and network operators are constantly striving to use this resource efficiently in order to avoid the available frequencies from becoming oversaturated. If the frequency is too saturated, network elements will interfere with each other. For example, transmissions from one base station may interfere with transmissions from neighboring base stations. To avoid interferenc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/024H04L5/00H04W72/12H04W52/44
CPCH04B7/024H04L5/0035H04L5/0073H04W52/44H04W72/20H04W72/54H04W72/1263H04W28/16H04W52/40
Inventor A·贝德卡王笑一
Owner NOKIA TECH OY