...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Application No. | Application Title | Issue Date |
| 20110319084 | METHOD AND APPARATUS FOR MITIGATING INTERFERENCE IN FEMTOCELL DEPLOYMENTS Methods and apparatuses are provided for mitigating interference among access points, and/or devices communicating therewith, in unplanned network deployments. Based on determining that one or more served devices potentially interfere with one or more access points, an ... | 12/29/2011 |
| 20110201340 | Method and Apparatus for Cell Selection in Flexible Spectrum Use Radio System In accordance with an example embodiment of the present invention, an apparatus comprises a transceiver configured to receive beacons from a plurality of access points; a processor configured to estimate an expected bit-rate for the plurality of access points based at l... | 08/18/2011 |
| 20110151881 | TECHNIQUES FOR FRACTIONAL FREQUENCY REUSE IN WIRELESS NETWORKS Methods and apparatuses for Fractional frequency reuse (FFR). A reuse factor of one (f=1) may be used to serve mobile stations located in inner cell regions that do not experience significant inter-cell interference (ICI) and a reuse factor of less than one (f<1) may... | 06/23/2011 |
| 20110092209 | SYSTEMS, METHODS AND APPARATUS FOR FACILITATING HANDOVER CONTROL USING RESOURCE RESERVATION WITH FREQUENCY REUSE Systems, methods and apparatus for facilitating handover control using resource reservation with frequency reuse are provided. In one embodiment, the method can include: transmitting scheduling information for the transmission of information on frequencies corresponding... | 04/21/2011 |
| 20110053601 | Cell Configuration for Self-Organized Networks with Flexible Spectrum Usage The present invention relates to methods and apparatuses for controlling cell configuration in a cellular network, wherein a cell identity and a local cell spectrum resource entity or profile are assigned to an access device in response to a result of sensing a local ra... | 03/03/2011 |
| 20110034174 | IN A RADIO NETWORK ENVIRONMENT, REDUCING INTERFERENCE AMONG OVERLAPPING CELLS Disclosed is a method for a femtocell to reduce interference with an overlapping macrocell. The femtocell determines soft-frequency-reuse (“SFR”) information of the macrocell. From that information, the femtocell determines which frequency sub-channels are assigned ... | 02/10/2011 |
| 20100317354 | FREQUENCY PLANNING FOR A CELLULAR COMMUNICATION SYSTEM An apparatus for frequency planning for a cellular communication system comprises a receiver (201) receiving measurement reports from remote stations. An interference processor (203) determines, for each of a plurality of cells, a neighbour cell interferen... | 12/16/2010 |
| 20100311428 | RANDOM ACCESS PREAMBLE CELLULAR PHONE SYSTEMS WITH MULTIPLE ZADOFF-CHU SEQUENCES A cellular phone system where a random access channel burst has a preamble comprising two Zadoff-Chu sequences to mitigate the effects of Doppler Frequency Offset. Upon reception of a random access channel burst by a base station, division is applied to the two sequence... | 12/09/2010 |
| 20100222061 | METHOD AND APPARATUS FOR MITIGATING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM Techniques to mitigate inter-cell interference using joint time and frequency division are described. A frequency band is divided into multiple non-overlapping frequency subbands. The transmission timeline is divided into Tin and Tout time interval... | 09/02/2010 |
| 20100214997 | Clustering Based Resource Allocation in Multi-Cell OFDMA Networks A method allocates resource in an Orthogonal Frequency-Division Multiple Access (OFDMA) network, including a set of Base Stations (BSs) and a set of Mobile Stations (MSs) for each BS. OFDMA frame are constructed as multiple resource blocks, and each resource block conta... | 08/26/2010 |
| 20100173636 | Method for improving frequency reuse utilizing synchronized downlink resources from adjacent cells The present invention provides a method for improving frequency reuse utilizing synchronized downlink resources from adjacent cells. The communication system determines that a mobile unit is receiving signals from a first cell and one or more adjacent cells. Upon receiv... | 07/08/2010 |
| 20100173637 | CARRIER REUSE IN A MULTICARRIER WIRELESS COMMUNICATION ENVIRONMENT Systems and methodologies are described that facilitate employing fractional frequency reuse within carriers in a multicarrier heterogeneous wireless communication environment. Each carrier can be divided into a plurality of frequency reuse sets. Moreover, each of the f... | 07/08/2010 |
| 20100124930 | INTERFERENCE MANAGEMENT AND DECENTRALIZED CHANNEL ACCESS SCHEMES IN HOTSPOT-AIDED CELLULAR NETWORKS A system and method are provided wherein one or more femtocell base stations are deployed within a range of a cellular base station and utilize substantially the same frequency band as the cellular base station. Each femtocell base station may be configured to employ on... | 05/20/2010 |
| 20100067455 | METHOD FOR FRACTIONAL FRQUENCY REUSE WITH ORDERING SCHEME TO INCREASE CAPACITY OF OFDM SYSTEMS Disclosed herein is a method for fractional frequency reuse with ordering scheme (FFRO) to increase capacity of orthogonal frequency division multiplexing (OFDM) systems while reducing interference due to the use of a common sub-channel set. Each cell includes a common ... | 03/18/2010 |
| 20100062780 | Frequency reuse techniques in mote-appropriate networks Mote appropriate networks employing multiple frequencies, such as those utilized in frequency reuse techniques.... | 03/11/2010 |
| 20100041396 | SATELLITE COMMUNICATIONS APPARATUS AND METHODS USING ASYMMETRICAL FORWARD AND RETURN LINK FREQUENCY REUSE Communications are conducted between a space-based component of the wireless communications system and radioterminals using a plurality of forward link cells and a plurality of return link cells, the return link cells having a greater number of cells per frequency reuse... | 02/18/2010 |
| 20100003998 | CELLULAR SYSTEM, CARRIER ALLOCATION METHOD THEREOF, BASE STATION, AND MOBILE STATION In a method of allocating carriers of a cellular system comprising mobile stations and a wireless network of multiple base stations, multiple carriers being available for communication between base and mobile stations, the wireless network performs the following. Carrie... | 01/07/2010 |
| 20090275339 | Frequency mapping for a wireless communication system Example embodiments are directed to frequency mapping for a wireless communication system. An example embodiment provides a method frequency reuse method. The frequency reuse method includes assigning frequencies for use and reuse to sectors of a cell of a wireless comm... | 11/05/2009 |
| 20090247171 | TRANSMISSION METHOD, WIRELESS BASE STATION, AND WIRELESS COMMUNICATION METHOD A transmission method that can implement efficient communication control. A transmission block sends a signal of a first frequency band allocated to each zone, by a first directive beam which covers the entire zone, in a first time slot of a predetermined period and sen... | 10/01/2009 |
| 20090247172 | LOW REUSE PREAMBLE FOR A WIRELESS COMMUNICATION NETWORK Techniques for sending low reuse preambles in a wireless network are described. In an aspect, a base station may send a low reuse preamble on reserved frequency resources to allow terminals to detect the base station even in the presence of strong interfering base stati... | 10/01/2009 |
| 20090201867 | Method for Allocating Resources in Cell-Edge Bands of OFDMA Networks A method allocates bandwidth from a radio frequency spectrum in a cellular network including a set of cells. Each cell includes a base station for serving a set of mobile stations in the cell. An area around each base station is partitioned into a center region and an e... | 08/13/2009 |
| 20090186623 | Base Station Device And Cell Forming Method A base station device includes a plurality of directional antennas, a power control unit and a frequency management unit. The cell is formed with layers of a base cell having a cell border with a cell formed by a neighboring base station device and including a plurality... | 07/23/2009 |
| 20080311919 | USE OF THE PHYSICAL UPLINK CONTROL CHANNEL IN A 3RD GENERATION PARTNERSHIP PROJECT COMMUNICATION SYSTEM In a 3rd Generation Partnership Project, 3GPP, communication system a base station comprises a scheduler allocating communication resource of at least one of a Physical Uplink Shared CHannel, PUSCH, and a Physical Downlink Shared CHannel, PDSCH to a User Equi... | 12/18/2008 |
| 20080298275 | Autonomous Infrastructure Wireless Networks A method for deploying a cellular wireless communication network is provided. The method consists of: providing one or more micro base stations; autonomously deploying the micro base stations using a network access point linked to a cellular wireless communication netwo... | 12/04/2008 |
| 20080274746 | Scheduling Methods and Systems for Wireless Multi-Hop Relay Communications A scheduling method for a wireless multi-hop relay communication system, wherein the communication system includes a base station dominating a plurality of relay stations, the scheduling method including separating the plurality of relay stations into N groups, N being ... | 11/06/2008 |
| 20080274745 | INTERFERENCE MITIGATION TECHNIQUE A backhaul network for a mobile wireless network including a plurality of nodes forming links, the links utilizing a 1:n frequency re-use scheme in backhaul communication, where n equals 2 to about 16, wherein each link communicates over a different portion of an entire... | 11/06/2008 |
| 20080268857 | CHANNEL SOUNDING TECHNIQUES FOR A WIRELESS COMMUNICATION SYSTEM A technique of operating a wireless communication system includes determining respective geometries of multiple subscriber stations, which include a first subscriber station and a second subscriber station, with respect to a serving base station. Respective channel soun... | 10/30/2008 |
| 20080207210 | Apparatus and Method for Frequency Planning for a Cellular Communication System The invention relates to frequency planning in a cellular communication system, such as a GSM cellular communication system. An apparatus for frequency planning comprises an interference matrix processor (201) which generates an interference matrix comprising int... | 08/28/2008 |
| 20080207209 | CELLULAR MOBILE RADIO COMMUNICATION SYSTEM A method of autonomously generating neighboring cell information in a cellular mobile radio communication system including: transmitting, by a first base station, a measurement radio signal through a radio channel for radio field intensity measurement; measuring a radio... | 08/28/2008 |
| 20080207211 | Method and apparatus for indicating preferred layer information in multimedia broadcast/multicast service (MBMS) A method is disclosed for transferring preferred frequency information in a mobile communication system which establishes a preferred frequency layer and a non-preferred frequency layer for a Multimedia Broadcast/Multicast Service (MBMS) service. The method involves the... | 08/28/2008 |
| 20080125132 | COMMUNICATION METHOD, BASE STATION, AND USER TERMINAL FOR A WIRELESS COMMUNICATION NETWORK The present invention comprises a method for communicating in a wireless communication network (1) comprising a number of cells (2.1, 2.2, 2.3) served by respective base stations (3). According to the proposed method, the following steps are perform... | 05/29/2008 |
| 20080057967 | APPARATUS AND METHOD FOR RADIOS OCCUPYING A COMMON FREQUENCY REGION Various embodiments for a communication control configuration and a communication control method are described for wireless communication devices having at least two radios that can potentially interfere with one another. The control schemes described herein reduce the ... | 03/06/2008 |
| 20070287464 | Frequency Channel Assigning System, Base Station, Control Station, Inter-System Common Control Apparatus, Frequency Channel Assigning Method and Control Method This invention relates to a frequency channel assignment system which enables adaptive overlapping use of the same frequency band in a plurality of radio communications systems. The frequency channel assignment system includes radio communications systems 1 and <... | 12/13/2007 |
| 20070259671 | Generation, Deployment and Use of Tailored Channel Quality Indicator Tables Channel Quality Indicator (CQI) tables are tailored to one or more cells of interest. Tailoring CQI tables to individual cells permits devices such as radio base stations to more reliably and accurately allocate radio resources to those cells since channel conditions va... | 11/08/2007 |
| 20070249358 | SYSTEM AND METHOD FOR FREQUENCY RE-USE IN A SECTORIZED CELL PATTERN IN A WIRELESS COMMUNICATION SYSTEM The present invention relates to a system and method for frequency re-use in a wireless communication system. More particularly, the inventive system and method provides for maximum coverage of a service area with a pattern of cells each having a sectorized hub antenna ... | 10/25/2007 |
| 20070207809 | Networking corridors for packet data and voice communications A data and voice digital communication network installation and networking method, including a plurality of packet communication networking hubs, logically configured in a hierarchy of at least two tiers, a transmission backbone network linking said hubs, including at l... | 09/06/2007 |
| 20070161376 | Timeslot reuse for a service based interference control The specification and drawings present a new method, system, apparatus and software product for a timeslot (TSL) reuse typically combined with a frequency reuse for a service based interference control in communication systems. TSL reuse method can be applied to a servi... | 07/12/2007 |
| 20070087755 | Method for deployment scheduling for mobile communication network A method for deployment scheduling for a mobile communication network is disclosed. The mobile network is to be changed from a first network plan to a second network plan, and both the first and second network plans include a plurality of BSC (base station controller) a... | 04/19/2007 |
| 20070077934 | Dynamic reuse partitioning and subchannel allocation scheme in multicell OFDMA downlink systems The reuse partitioning problem for a cellular orthogonal frequency division multiple access (OFDMA) system with dynamic subcarrier allocation is considered. One objective is to allocate the network resources in an efficient way in order to maximize the system's total th... | 04/05/2007 |
| 20070026867 | Satellite Communications Apparatus and Methods Using Asymmetrical Forward and Return Link Frequency Reuse Communications are conducted between a space-based component of the wireless communications system and radioterminals using a plurality of forward link cells and a plurality of return link cells, the return link cells having a greater number of cells per frequency reuse... | 02/01/2007 |