Invention Grant
- Patent Title: Methods and devices for reducing interference in heterogeneous communication networks based on inter-cell interference coordination
- Patent Title (中): 基于小区间干扰协调减少异构通信网络干扰的方法和装置
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Application No.: US14731147Application Date: 2015-06-04
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Publication No.: US09596695B2Publication Date: 2017-03-14
- Inventor: Konstantinos Dimou , Asif Ali Khan
- Applicant: Telefonaktiebolaget L M Ericsson (publ)
- Applicant Address: SE Stockholm
- Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
- Current Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
- Current Assignee Address: SE Stockholm
- Agency: Rothwell, Figg, Ernst & Manbeck, P.C.
- Main IPC: H04W72/08
- IPC: H04W72/08 ; H04B1/38 ; H04L5/00 ; H04W72/04 ; H04W36/30 ; H04W16/16

Abstract:
Devices and methods for reducing interference in a communication network including a first node and a first node coverage area, a second closed subscriber group (CSG) node located within the first node coverage area, and one or more user equipment (UE) devices located within the first node coverage area are provided. In one embodiment, a method includes receiving link quality measurement information from the one or more UE devices and determining if a link quality value for a UE device is below a predetermined link quality threshold value and is caused by the second CSG node. If both conditions are true, if the UE device is a member of the second CSG node, and if the first UE device does not include interference cancellation capability, the method further includes instructing the second CSG node to mute transmission causing interference for the UE device.
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