Class / Patent application number | Description | Number of patent applications / Date published |
455448000 | Co-located systems | 16 |
20080268858 | METHOD AND SYSTEM OF CHANNEL NEGOTIATION BETWEEN NEIGHBOR BASE STATIONS - A method and system of channel negotiation between neighbor BSs are provided. The method includes: a first BS obtaining channel information of all second BSs which neighboring to the first BS in response to starting of the first BS; selecting a channel in the network as a first working channel of the first BS, and requesting all third BSs which are the second BSs occupying the first working channel to switch channel; and determining another channel for each of the third BSs excluding the first working channel as the target channel of the third BS, and switching the working channel of the third BS to the target channel, then occupying the first working channel. The method and system of channel negotiation between neighbor BSs adjust channels between neighbor BSs by negotiation automatically, and resource distribution for the whole network is optimized. | 10-30-2008 |
20100136986 | Systems And Methods For Facilitating Instant Communications Over Distributed Cellular Networks - A wireless user device maintains wireless access via a public land mobile network and, while maintaining such wireless access, participates with one or more other devices in an instant communication session delivered via a carrier instant communications processing element of the public land mobile network. The session communications from the wireless user device are routed through a processing element of a private communication network for an assignment of a generic identifier to the session communications in place of a user identifier of the wireless user device, and then routed back to the public land mobile network to the carrier instant communications processing element for delivery to the one or more other devices in the instant communication session. | 06-03-2010 |
20110105132 | COORDINATING MACRO-CELL AND PRIVATE CELL OPERATION IN OVERLAY WIRELES NETWORKS - The present application describes methods involving one or more mobile units, one or more macrocells providing wireless connectivity to one or more first coverage areas, and one or more femtocell providing wireless connectivity to one or more second coverage areas overlapping with the first coverage area(s). One embodiment of the method includes determining, at the femtocell(s), whether to transmit one or more beacon signal from the femtocell(s) on one or more carriers associated with the macrocell(s) based on whether mobile unit(s) are located within the first coverage area(s). | 05-05-2011 |
20110223923 | Method and Apparatus for Releasing Blank Zone by Macro Base Station in Wireless Communication System - Provided are a method and an apparatus for releasing a blank zone by a macro base station in a wireless communication system. The macro base station: receives channel information from a macro terminal that is serviced therefrom; determines based on the channel information whether or not a downlink blank zone allocated to a resource zone of a femto bas station is released; and transmits downlink blank zone release information to the femto base station if the downlink blank zone is supposed to be released. The downlink blank zone is a resource zone which restricts the downlink transmission, among all the resource zones used by the femto base station. The channel information may be the information about the distance between the femto base station and the macro terminal. | 09-15-2011 |
20120208544 | ACCESS TYPE SETTING APPARATUS, MOBILE COMMUNICATION SYSTEM, AND ACCESS TYPE SETTING METHOD - The access type setting apparatus 1 according to the present invention includes a calculation unit 12 configured to calculate an amount of interference from the femtocell #a to the macrocell #11 and a determination unit 13 configured to determine the access type (Close/Hybrid/Open) to be set in the radio base station HeNB#a/HNB#a configured to manage the femtocell #a. | 08-16-2012 |
20120214496 | LARGE CELL BASE STATION AND COMMUNICATION CONTROL METHOD - When a radio terminal ( | 08-23-2012 |
20130203424 | Method and Apparatus for Distributing Synchronization Information - An apparatus including at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to at least evaluate, in a cognitive node, transmission of a physical random access channel in an uplink of a communications carrier, and, based on the evaluating, utilize an interference-free guard time period of a cellular user terminal's transmission in the physical random access channel, for distributing a synchronization signal and a beacon signal locally, the cellular user terminal's transmission in the physical random access channel including a guard time period that compensates a maximum round trip delay in a cell. | 08-08-2013 |
20130210445 | RADIO COMMUNICATION SYSTEM, HIGH-POWER BASE STATION, LOW-POWER BASE STATION, AND COMMUNICATION CONTROL METHOD - A radio communication system | 08-15-2013 |
20130225183 | METHODS AND APPARATUS FOR TURNING OFF MACRO CARRIERS TO DEPLOY FEMTOCELLS - Methods and apparatus are disclosed for deploying at least one small-coverage base station in a coverage area. The method includes configuring the at least one small-coverage base station to operate on a given channel. The method includes detecting usage information of the at least one small-coverage base station on the given channel. The method includes adjusting an overall transmit power of at least one large-coverage base station in the coverage area based at least in part on the usage information. | 08-29-2013 |
20140038620 | Methods and Apparatuses for Sharing a Radio Node - A method and a radio node (RN) shared by operators of separate cellular networks having operator specific tracking area plans. The radio node (RN) broadcasts (1:1) system information with network identities of the cellular networks (PLMN IDs) and multiple operator specific tracking area codes (TACs) valid in respective tracking area plans of the cellular networks, each tracking area code being associated with a corresponding network identity in the system information. Thereby, the operators are enabled to use their own operator specific tracking area codes for their respective operator specific tracking areas that include a cell ( | 02-06-2014 |
20140099964 | APPARATUS AND METHOD FOR CONFIGURING CELL IN WIRELESS COMMUNICATION SYSTEM - A method for configuring a cell in a wireless communication system is provided. The method includes generating a virtual field based on information of a Remote Radio Header (RRH), generating grids in the virtual field at intervals, generating a virtual coverage map by regarding each of the grids as a virtual User Equipment (UE) and determining a serving RRH for each of the virtual UEs, determining grids which are located at a boundary region among RRHs among grids included in the virtual coverage map as boundary region grids, configuring a cell such that the cell includes less than or equal to a maximum sub-cell number of sub-cells, excluding boundary region grids included in a same cell among the boundary region grids from the boundary region grids, and selecting a sub-cell grouping combination which has a minimum number of boundary region grids among all sub-cell grouping combinations, and configuring the cell using the selected sub-cell grouping combination. | 04-10-2014 |
20140335871 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR ENABLING NAV PROTECTION FOR RESTRICTED ACCESS WINDOW - Embodiments of the invention provide signaling mechanisms for wireless networks composed of a large number of stations. An example method embodiment comprises: receiving, by a station in an access network, a frame from another station in the access network or from an overlapped access network, indicating time restrictions for reserving a wireless medium, the frame including an indication in a first portion of the frame, indicating the presence of the time restrictions for reserving the wireless medium; and decoding, by the station, at least a second portion occurring after the first portion of the received frame, to determine the time restrictions for reserving the wireless medium, in response to the indication. | 11-13-2014 |
20150011229 | WIRELESS COMMUNICATION SYSTEM, TRANSMISSION POWER CONTROL APPARATUS, BASE STATION APPARATUS, PARAMETER PROVIDING APPARATUS, AND TRANSMISSION POWER CONTROL METHOD - A wireless communication system includes a first base station ( | 01-08-2015 |
20150031374 | MOBILE COMMUNICATIONS NETWORK, INFRASTRUCTURE EQUIPMENT AND METHOD - A mobile communications network includes a core network including infrastructure equipment, and a radio network including plural base stations to provide a wireless access interface for communicating data to/from communications terminals. One base station operates as a serving base station to one of the communications terminals, to establish one or more communications bearers for communicating user data to/from the communications terminal via the core network and the radio network via the serving base station, and to co-operate with at least another base station to communicate the user data to/from the communications terminal. The mobile communications network can monitor a state of a radio communications channel between the co-operating base station and the communications terminal, and upon predetermined conditions, establish a communications bearer from the core network to the co-operating base station for communicating the user data to the co-operating base station transmitting the user data to the communications terminal. | 01-29-2015 |
20150111585 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION APPARATUS, AND RADIO COMMUNICATION METHOD - In a radio communication system that allows coexistence of a plurality of radio network systems, a radio node | 04-23-2015 |
20150141025 | DYNAMIC NETWORK-CONTROLLED FORMATION OF MOBILE CELLS - The invention is directed to systems, methods and computer program products for forming a mobile cell in a network. An exemplary method comprises: first determining a first node of the network is within a predetermined distance of a second node of the network; second determining the first node's movement pattern is substantially similar to the second node's movement pattern; forming a mobile cell comprising the first node and the second node based on the first determining and second determining steps; and selecting the first node as a base station for the mobile cell. | 05-21-2015 |