Patent application number | Description | Published |
20110222496 | METHOD FOR OPERATING A MULTI-CELL RADIO SYSTEM AND A MULTI-CELL RADIO SYSTEM - For enhancing user throughput and coverage within a multi-cell radio system a method for operating a multi-cell radio system, especially an OFDMA-based radio system including a plurality of base stations, wherein different frequency reuse factors are used within different reuse zones of one cell by a fractional frequency reuse (FFR) scheme, the method includes the following steps: allocating a size or resource to the different reuse zones, and allocating users into different reuse zones. Further, a multi-cell radio system is described, preferably for carrying out the above mentioned method. | 09-15-2011 |
20110263264 | METHOD FOR OPERATION OF A WIMAX NETWORK AND WIMAX NETWORK - A method for operation of a WiMAX network, the network including a WiMAX macrocell network with one or more macrocell base stations and at least one femtocell base station, the macrocell base stations and the at least one femtocell base station being configured to offer connectivity to mobile stations is described. The method is characterized in that a communication scheme between the macrocell network and the at least one femtocells base station is defined according to which a direct wireless link is established between the at least one femtocell base station and one or more of the macrocell base stations located within the coverage area of the at least one femtocell base station. Furthermore, a corresponding WiMAX network is disclosed. | 10-27-2011 |
20110287775 | METHOD FOR INTERFERENCE MITIGATION FOR FEMTOCELL BASE STATIONS OF A WIMAX NETWORK - A method for interference mitigation for femtocell base stations of a WiMAX network, wherein the femtocell base station is located within the transmission range of at least one macrocell base station and/or at least one other femtocell base station, is characterized in that the femtocell base station performs downlink measurements to detect neighboring macrocell and/or femtocell base stations and reports results of the downlink measurements to at least one higher layer network controller, wherein the network controller allocates transmission parameters to the WiMAX femtocell base stations on the basis of at least the reported measurement results and the current resource occupation in the network. | 11-24-2011 |
20110300855 | METHOD FOR SUPPORTING AN OPERATIONAL WIRELESS CONNECTION OF A MOBILE STATION TO A MACROCELL OR FEMTOCELL BASE STATION - A method for supporting an operational wireless connection of a mobile station to a macrocell or femtocell base station—current base station—, wherein the mobile station is located both within the coverage area of the current base station and in the coverage area of another base station—foreign base station—, in particular a femtocell base station, wherein the mobile station has access authorization to the current base station and no access authorization to the foreign base station, is characterized in that a restricted connection is permitted between the mobile station and the foreign base station. | 12-08-2011 |
20120021735 | METHOD FOR OPERATING A WIMAX FEMTOCELL BASE STATION AND FEMTOCELL BASE STATION - A method for operating a WiMAX femtocell base station, wherein the femtocell base station has an active operational mode, in which the radio interface subsystem of the femtocell base station is fully power supplied, is characterized in that a power saving mode with reduced radio interface activity is provided, wherein the femtocell base station is enabled to transit between the active operation mode and the power saving mode. Furthermore, a corresponding femtocell base station for deployment in a WiMAX network is disclosed. | 01-26-2012 |
20120088506 | METHOD FOR OPERATING A NETWORK AND A NETWORK - For allowing a reliable communication within a network by simple constructive features a method for operating a network is claimed, wherein a number of base stations are grouped into a cluster and are connected to a cluster controller and wherein the cluster controller is providing access of the base stations to a main network. The method is characterized in that the cluster controller is mitigating interference within and/or outside the cluster on the basis of a measurement information and/or report from at least one base station. Further, an according network is claimed, preferably for carrying out the above mentioned method. | 04-12-2012 |
20120322437 | METHOD AND FEMTOCELL BASE STATION FOR SUPPORTING WIRELESS CONNECTIVITY OF A MOBILE STATION TO A CELLULAR NETWORK - A method for supporting wireless connectivity of a mobile station to a cellular network, wherein the mobile station is located within the coverage area of a femtocell base station of which it is a non-CSG mobile station, and wherein the mobile station experiences interference which it indicates to the femtocell base station, is characterized in that the femtocell base station, upon receiving the experienced interference indication from the non-CSG mobile station, triggers the non-CSG mobile station to report interference related information, wherein, based on the interference related information, the femtocell base station performs a first check whether it is originator of the interference experienced by the non-CSG mobile station. Furthermore, a corresponding femtocell base station for supporting wireless connectivity of a mobile station to a cellular network is disclosed. | 12-20-2012 |
20130235778 | METHOD FOR SWITCHING A BASE STATION FROM AN INACTIVE OPERATIONAL MODE TO AN ACTIVE OPERATIONAL MODE IN A HIERARCHICALLY STRUCTURED MOBILE - A method and system for switching a base station from an inactive operational mode to a more active operational mode in a hierarchically structured mobile communication network preferably a WiMAX or LTE network, with at least one small cell base station and at least one macro cell base station in a radio access network includes:
| 09-12-2013 |
20140018092 | METHOD FOR OPERATING A BASE STATION AND BASE STATION - A method for operating a base station of a mobile wireless system, in particular of a mobile communications network, wherein the base station is configured to operate in different operation states, wherein the operation states at least include an active operational mode, in which the radio interface subsystem of the base station is fully activated, and a low-duty operational mode with reduced radio transmission activity, is characterized in that in the low-duty operational mode the base station implements a window mechanism including availability intervals during which radio transmissions are allowed and unavailability intervals in which no radio transmissions are allowed. Furthermore, a corresponding base station for deployment in a mobile wireless system is disclosed. | 01-16-2014 |
20140155077 | METHOD FOR OPERATING A WIMAX FEMTOCELL BASE STATION AND FEMTOCELL BASE STATION - A method for operating a WiMAX femtocell base station, wherein the femtocell base station has an active operational mode, in which the radio interface subsystem of the femtocell base station is fully power supplied, is characterized in that a power saving mode with reduced radio interface activity is provided, wherein the femtocell base station is enabled to transit between the active operation mode and the power saving mode. Furthermore, a corresponding femtocell base station for deployment in a WiMAX network is disclosed. | 06-05-2014 |