Patent application number | Description | Published |
20090142251 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBE DEVICES - A method for treating carbon nanotubes is provided. In the method for treating carbon nanotubes (CNTs), the CNTs are treated with SO | 06-04-2009 |
20090211901 | METHODS FOR PREPARING CNT FILM, CNT FILM WITH A SANDWICH STRUCTURE, AN ANODE INCLUDING THE CNT FILM AND AN ORGANIC LIGHT-EMITTING DIODES INCLUDING THE ANODE AND CNT DEVICE - Methods for preparing flexible transparent conducting carbon nanotube (CNT) films, the CNT film prepared from said methods, a method of treating CNT film by using thionyl bromide (SOBr | 08-27-2009 |
20100080749 | CARBON NANOTUBES, A METHOD OF PREPARING THE SAME AND AN ELEMENT USING THE SAME - Carbon nanotubes, a method for preparing the same and an element using the same are provided. The method for preparing carbon nanotubes includes synthesizing carbon nanotubes from carbon source using an arc-discharge method in the presence of catalysts and promoter, wherein the promoter contains an element capable of reducing the surface energy of carbon nanotubes. Carbon nanotubes with high purity and narrow diameter distribution can thus be prepared. | 04-01-2010 |
20100143234 | METHODS OF PREPARING AND PURIFYING CARBON NANOTUBES, CARBON NANOTUBES, AND AN ELEMENT USING THE SAME - A method of preparing carbon nanotubes (CNT), a method of purifying carbon nanotubes, carbon nanotubes, and an element using said carbon nanotubes are provided. The method includes preparing carbon nanotubes by arc-discharge and employs a coordination chemistry process to remove a catalyst and/or optional promoter used in arc-discharge. | 06-10-2010 |
20100193747 | PROCESS OF PREPARING CARBON NANOTUBE FILM, THE CARBON NANOTUBE FILM PREPARED THEREBY AND CARBON NANOTUBE ELEMENTS COMPRISING THE SAME - A process of a preparing transparent conductive carbon nanotube (CNT) film, the carbon nanotube film prepared by the process, and carbon nanotube elements including the carbon nanotube film are provided. The carbon nanotube film has a higher transparency and much lower sheet resistance compared with the carbon nanotube film obtained by a conventional filtration process. | 08-05-2010 |
Patent application number | Description | Published |
20080298339 | METHOD FOR FREQUENCY DIVISION DUPLEX COMMUNICATIONS - The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The highly bandwidth-efficient communications method combines a form of time division duplex (TDD), frequency division duplex (FDD), time division multiple access (TDMA), orthogonal frequency division multiplexing (OFDM), spatial diversity, and polarization diversity in various unique combinations. The method provides excellent fade resistance. The method enables changing a user's available bandwidth on demand by assigning additional TDMA slots during the user's session. | 12-04-2008 |
20090245403 | METHODS AND APPARATUS FOR USE IN REDUCING RESIDUAL PHASE ERROR IN OFDM COMMUNICATION SIGNALS - Methods and apparatus for use in reducing residual phase error (RPE) in orthogonal frequency division multiplexed (OFDM) communication signals are described. In at least one embodiment of the invention, an apparatus includes a residual phase error estimator configured to estimate a residual phase error at least partially based on a plurality of phases of a first channel-compensated received signal and a plurality of phases of a sliced version of the first channel-compensated received signal. The residual phase error estimator is configured to correct a channel estimate at least partially based on the residual phase error estimate to thereby generate a corrected channel estimate. The apparatus includes a channel compensator configured to generate a second channel-compensated received signal at least partially based on a received signal and the corrected channel estimate. | 10-01-2009 |
20110222526 | METHOD FOR FREQUENCY DIVISION DUPLEX COMMUNICATIONS - The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The highly bandwidth-efficient communications method combines a form of time division duplex (TDD), frequency division duplex (FDD), time division multiple access (TDMA), orthogonal frequency division multiplexing (OFDM), spatial diversity, and polarization diversity in various unique combinations. The method provides excellent fade resistance. The method enables changing a user's available bandwidth on demand by assigning additional TDMA slots during the user's session. | 09-15-2011 |
20130051291 | METHOD FOR FREQUENCY DIVISION DUPLEX COMMUNICATIONS - The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The highly bandwidth-efficient communications method combines a form of time division duplex (TDD), frequency division duplex (FDD), time division multiple access (TDMA), orthogonal frequency division multiplexing (OFDM), spatial diversity, and polarization diversity in various unique combinations. The method provides excellent fade resistance. The method enables changing a user's available bandwidth on demand by assigning additional TDMA slots during the user's session. | 02-28-2013 |
Patent application number | Description | Published |
20080298450 | Frequency Band Adaptive Wireless Communication - A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. Signal quality metrics for each frequency band are evaluated by a receiver to identify qualified frequency bands. The qualified frequency bands can be ranked according to one or more signal quality metrics, where the list of qualified bands can be communicated to a transmitter. The transmitter is arranged to evaluate the list of qualified bands and select a communication method based on the available frequency bands and a selected communication optimization scenario. Multiple frequency bands and communication methods can be utilized by the transmitter such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication. The receiver continually monitors communications and can report link performance to the transmitter for adaptive control of the selected communication methods. | 12-04-2008 |
20120270504 | FREQUENCY BAND ADAPTIVE WIRELESS COMMUNICATION - A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. Signal quality metrics for each frequency band are evaluated by a receiver to identify qualified frequency bands. The qualified frequency bands can be ranked according to one or more signal quality metrics, where the list of qualified bands can be communicated to a transmitter. The transmitter is arranged to evaluate the list of qualified bands and select a communication method based on the available frequency bands and a selected communication optimization scenario. Multiple frequency bands and communication methods can be utilized by the transmitter such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication. The receiver continually monitors communications and can report link performance to the transmitter for adaptive control of the selected communication methods. | 10-25-2012 |
20140064227 | FREQUENCY BAND ADAPTIVE WIRELESS COMMUNICATION - A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. The system evaluates signal quality metrics for each frequency band and selects a communication method based on the evaluation. Multiple frequency bands and communication methods can be utilized by the system such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication. The system monitors communications and can report link performance for adaptive control of the selected communication methods. | 03-06-2014 |
20150146667 | FREQUENCY BAND ADAPTIVE WIRELESS COMMUNICATION - A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. The system evaluates signal quality metrics for each frequency band and selects a communication method based on the evaluation. Multiple frequency bands and communication methods can be utilized by the system such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication. The system monitors communications and can report link performance for adaptive control of the selected communication methods. | 05-28-2015 |
Patent application number | Description | Published |
20140133375 | OPTIMIZED RESOURCE MANAGEMENT IN MULTI-RADIO ACCESS TECHNOLOGY DEVICES - Methods and systems are described herein for adaptively adjusting the power level of a wireless transceiver and a cellular transceiver in a telecommunications device to correspond to the usage and data throughput of the device. The device can also dynamically enter different modes of operation based at least in part on network activity data usage on a wireless data network provided by the telecommunications device. By controlling the power levels, the power usage of the device can be reduced in order to increase efficiency of battery usage. | 05-15-2014 |
20140146739 | Inter-Base Station Logical Interface Communication Using Relay Devices - A relay device configured to facilitate a wireless communication over a logical interface between a first base station and a second base station is described herein. The logical interface may be an X2 interface for a Long Term Evolution network. The relay device receives the wireless communication from the first base station using one or more wireless transceivers of the relay device. The relay device may identify the second base station based at least in part on information associated with the wireless communication. Then, the relay device may transmit the wireless communication to the second base station through the one or more wireless transceivers. | 05-29-2014 |
20140185519 | Intelligent Routing of Network Packets on Telecommunication Devices - A telecommunication device configured to select one of a plurality of network connectivities of the telecommunication device to use for transmission of a network packet is described herein. The telecommunication device may select the network connectivity based on user routing criteria, connectivity metrics, or transmission times. The user routing criteria may be dynamically updated during a communication or connection, affecting selection of the network connectivity for further network packets. The network connectivities may be respectively associated with different network operators. Also, the telecommunication device may select a first network connectivity for transmitting a first network packet and a second network connectivity for transmitting a second network packet. Further, the telecommunication device may select a first network connectivity for uplink communications and a second network connectivity for downlink communications. | 07-03-2014 |
20140187242 | Service Preferences for Multiple-Carrier-Enabled Devices - Techniques are described herein for generating service preferences for a telecommunication device. Those service preferences are then provided to the telecommunication device to enable the telecommunication device to select a network connectivity from a plurality of network connectivities based at least in part on the service preferences. The network connectivities are respectively associated with a plurality of network operators. The service preferences may be generated and provided by any of a network operator, a service broker, or a management service. | 07-03-2014 |
20150071239 | Application-Based Multi-Band Transmission - Described herein is a radio access provider configured to communicate with wireless access devices over frequency bands. The radio access provider receives service priorities associated with active applications of the wireless communication devices. Based at least in part on the service priorities, the radio access provider selects blocks or channels from one or more of the frequency bands for a radio communication link for each of at least a subset of the wireless communication devices. The selecting may include selecting block or channels from multiple ones of the frequency bands for the radio communication link for at least one of the subset of the wireless communication devices. The selecting may also be based at least in part on signal quality metrics for the frequency bands, cross-correlations of the frequency bands, or power capacities of the wireless communication devices. | 03-12-2015 |