US 8,914,055 B2Granted

Dynamic resource selection to reduce interference that results from direct device to device communications

AssigneeTelefonaktiebolaget L M Ericsson (publ)

InventorsKonstantinos Dimou, Gabor Fodor, Tarcisio Fereira Maciel, Francisco Rodrigo Porto Cavalcanti

Life of this patent

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Abstract

Systems and methods are disclosed for selecting resources for direct device to device (D2D) communications in a cellular communication network. In one embodiment, a downlink resource is selected as a resource for a direct D2D communication link between a first wireless device and a second wireless device if a base station serving each of the first and second wireless devices is equipped with an interference cancellation receiver and both the first and second wireless devices are less than a predefined threshold radio distance from their serving base station. An uplink resource is selected as a resource for the direct D2D communication link if the base station serving each of the first and second wireless devices is equipped with an interference cancellation receiver and at least one of the first and second wireless devices is more than the predefined threshold radio distance from its serving base station.

Claims30

Dependent claims

A network node configured to select resources for a direct device to device communication link between a first wireless device and a second wireless device in a cellular communication network, comprising:

a transceiver sub-system configured to enable wireless communication;
and
a processing sub-system associated with the transceiver sub-system configured to:
select a downlink resource of the cellular communication network as a resource for the direct device to device communication link between the first wireless device and the second wireless device if a base station serving the first wireless device and a base station serving the second wireless device are equipped with an interference cancellation receiver and both a radio distance between the first wireless device and the base station serving the first wireless device and a radio distance between the second wireless device and the base station serving the second wireless device are less than a predefined threshold radio distance;
and
select an uplink resource of the cellular communication network as the resource for the direct device to device communication link between the first wireless device and the second wireless device if the base station serving the first wireless device and the base station serving the second wireless device are equipped with an interference cancellation receiver and at least one of the radio distance between the first wireless device and the base station serving the first wireless device and the radio distance between the second wireless device and the base station serving the second wireless device is greater than the predefined threshold radio distance.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/525,752Filed 18 Jun 2012 · continuation in part
Priority: 21 Mar 2012
Published: US 2013/0252621 A126 Sep 2013
Granted: 16 Dec 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

H04W 4/02
Services specially adapted for wireless communication networks; Facilities therefor: services making use of location information
H04W 72/541
Based on quality criteria: using the level of interference
H04W 76/14
Connection setup: direct-mode setup
H04W 4/025
Services making use of location information: using location based information parameters

Family

Application13/425,836Parent of this continuation-in-part · filed 21 Mar 2012
US 2013/0252621 A1Pre-grant publication · published 26 Sep 2013
US 2013/0252654 A1Published application
US 8,914,054 B2Related patent
US 8,914,055 B2This patent

From the US filing history. Foreign family members aren’t listed.