Patent application number | Description | Published |
20140056124 | Communication Devices and Methods for Performing Communication - A infrastructure station in a cellular mobile communication system, the infrastructure station includes a infrastructure station core configured to provide infrastructure station functionality to a plurality of dependent stations, a topographer configured to discover a network topology and designate a failover topology from the network topology for use in the event that the infrastructure station fails thereby no longer being capable of providing infrastructure station functionality to the plurality of dependent stations, the failover topology comprising failover stations, and a synchronizer configured to periodically provide timing estimates of dependent stations to the failover stations such that network reentry after infrastructure station failure is shorter than normal network entry. | 02-27-2014 |
20140056248 | Communication Devices and Methods for Performing Communication - In a first implementation, a method for performing direct mobile-to-mobile communication in a cellular mobile communication system, the cellular mobile communication system having at least two mobile stations and a communication network for providing a communication connection between the at least two mobile stations via at least one base station of the communication network is provided, method for performing direct mobile-to-mobile communication in a cellular mobile communication system includes associating a first mobile station and a second mobile station with the at least one base station, performing neighbor discovery between the first mobile station and the second mobile station for reporting to the at least one base station, detecting the feasibility of direct communication between the first mobile station and the second mobile station, establishing a direct communication link between the at least two mobile stations, allocating identification for communication and flow and resources for a flow between the first mobile station and the second mobile station, synchronizing the flow between the first mobile station and the second mobile station, and sending automatic repeat requests (ARQ) messages. | 02-27-2014 |
20140057637 | Communication Terminal and Method for Performing Communication - A method for enabling a forwarding to network operation in a cellular mobile communication system is described, the cellular mobile communication system comprising a plurality of mobile stations and at least one base station, the method comprising: reporting forwarding capability of a first mobile station of the plurality of mobile stations with the at least one base station; discovering neighboring mobile stations to the first mobile station; selecting a second mobile station from the neighboring mobile stations and establishing a forwarding link between the first mobile station and the second mobile station; allocating radio resources for a link between the first mobile station and the second mobile station; and synchronizing the link between the first mobile station and the second mobile station to establish the forwarding network. | 02-27-2014 |
20140148185 | Base Station and Method of Operating the Same - The present invention is directed to a base station including a transceiver configured to communicate with another base station using a radio resource, wherein the radio resource is allocated to the base station to serve communication devices located in a radio cell operated by the base station. A method of operating a base station is also disclosed. | 05-29-2014 |
20140269317 | COMPRESSION DEVICES, DECOMPRESSION DEVICES, COMPRESSION METHODS, AND DECOMPRESSION METHODS - A compression device which may include: a subset determination circuit configured to determine a subset of a transmission indication map, the transmission indication map including a plurality of bits, each bit indicating whether data to be transmitted to a respective pre-determined radio communication terminal is present in an access point; a pre-determined bit value determination circuit configured to determine whether the subset includes a bit of a pre-determined bit value; and a compressed string generation circuit configured to insert, if the subset includes a bit of the pre-determined bit value, into a compressed string an indicator indicating that the subset includes a bit of the pre-determined bit value and the subset and further configured to include, if the subset does not includes a bit of the pre-determined bit value, into the compressed string an indicator indicating that the subset does not include a bit of the pre-determined bit value. | 09-18-2014 |
20150029844 | METHOD AND A COMMUNICATION TERMINAL FOR MODULATING A MESSAGE FOR TRANSMISSION IN A WIRELESS COMMUNICATION NETWORK - The present invention is directed to a communication terminal in a wireless communication network. The communication terminal includes a receiver configured to receive a first message comprising a media access control (MAC) frame at a first transmission rate from a communication device in the wireless communication network; a message generator configured to generate a second message in response to the received first message, the second message comprising a control response frame; and a transmitter configured to transmit the control response frame at a second transmission rate, wherein the second transmission rate is lower than or equal to the first transmission rate; and wherein the second transmission rate is dependent on a difference in qualities between downlink communication and uplink communication between the communication device and the communication terminal. Methods of modulating a message for transmission in the wireless communication network are also disclosed. | 01-29-2015 |
20150029922 | STATIONS, ACCESS POINTS, COMMUNICATION SYSTEMS AND METHODS OF CONTROLLING THE SAME - In various embodiments, a method of controlling a station may be provided. The method may include receiving a first signal from an access point, the first signal including information indicating a time period. The method may further include deactivating the station after receiving the first signal and before expiry of the time period. The method may also include activating the station upon expiry of the time period. | 01-29-2015 |
20150030036 | COMPRESSION DEVICES, DECOMPRESSION DEVICES, COMPRESSION METHODS, AND DECOMPRESSION METHODS - The present invention is directed to a compression device including an identifier determination circuit configured to determine a first identifier value identifying a first communication terminal of a network, and a second identifier value identifying a second communication terminal of the network; a differential determination circuit configured to determine a differential value based on a difference between the first identifier value and the second identifier value; and a compressed string generation circuit configured to insert the differential value into a compressed string. A compression method, a decompression device and a decompression method are also disclosed. | 01-29-2015 |
20150092697 | METHODS FOR DETERMINING INFORMATION ABOUT A COMMUNICATION PARAMETER AND COMMUNICATION DEVICES - According to various embodiments, a method for determining information about a communication parameter may be provided. The method may include providing information about the communication parameter in at least one of an add block acknowledgement request signal, an acknowledgement signal for an add block acknowledgement request signal, an add block acknowledgement response signal, or an acknowledgement signal for an add block acknowledgement response signal. | 04-02-2015 |
20150244619 | COMMUNICATION METHODS AND COMMUNICATION DEVICES - According to various embodiments, a communication method may be provided. The communication method may include: at least one of sending a data unit or receiving a data unit; wherein the data unit is a null-data packet (NDP) and includes at least a physical layer (PHY) header; wherein the PHY header includes a plurality of fields; and wherein the plurality of fields include a sub-type field with at least 3 bits indicating a NDP sub-type of the data unit. | 08-27-2015 |
20150249529 | COMMUNICATION METHODS AND COMMUNICATION DEVICES - According to various embodiments, a communication method may be provided. The communication method may include: at least one of sending a first data unit including a physical layer (PHY) header or receiving a first data unit including a PHY header. The PHY header may include at least a field to indicate whether a response data unit is intended to follow the first data unit, and to indicate the type of the response data unit, when a response data unit is intended to follow the first data unit. The type of the response data unit may be used to estimate the duration of the response data unit. | 09-03-2015 |
20150296532 | Access Points, Radio Communication Devices, Methods for Controlling an Access Point, and Methods for Controlling a Radio Communication Device - According to various embodiments, an access point may be provided. The access point may include: a transmitter configured to transmit scheduling information for a page. The page may include one or more segments of a Traffic Indication Map (TIM). The scheduling information may include at least one of the following information: an explicit indication of an interval of one or more recurrences of subsequent transmissions of the scheduling information for the page; or information indicating scheduling of transmission of segments of the page including at least: an offset between the transmission of the first segment included in the page scheduling and the transmission of the scheduling information; and the number of blocks in each segment of the page, wherein a block contains a predetermined number of bits of the TIM. | 10-15-2015 |
20150318956 | Radio Communication Devices, Access Points, Method for Controlling a Radio Communication Device, and Methods for Controlling an Access Point - According to various embodiments, a radio communication device may be provided. The radio communication device may include: a transmitter configured to transmit a null data packet. The null data packet may include acknowledgement data indicating acknowledgements for a plurality of packets. The null data packet may include a cyclic redundancy check field configured to provide information based on which the null data packet or acknowledgements may be checked for errors. The null data packet may include further information based on which the acknowledgements may be checked for errors. | 11-05-2015 |
Patent application number | Description | Published |
20080246006 | Cdte/Gsh Core-Shell Quantum Dots - Quantum dots, each having a core comprising CdTe and a shell comprising GSH covering the core, are provided. The Quantum dots can be formed in a solution comprising a telluride (Te) precursor and a cadmium (Cd) precursor for forming the cores, and glutathione (GSH) for forming shells covering the cores. The cores can comprise CdTe nanocrystals grown in the solution. The growth of the nanocrystals can be limited. The quantum dots can have high fluorescence emission quantum yield such as up to about 45%, and small sizes such as from about 3.8 nm to about 6 nm. | 10-09-2008 |
20100316797 | FORMING GLUTATHIONE-CAPPED AND METAL-DOPED ZINC SELENIDE/ZINC SULFIDE CORE-SHELL QUANTUM DOTS IN AQUEOUS SOLUTION - In a process of forming a capped crystal structure, a precursor solution is heated. The solution comprises a mixture of zinc (Zn) precursor, selenium (Se) precursor, precursor for a dopant, glutathione (GSH), and water. The dopant comprises a transition metal (M). The molar ratio of Zn:Se in the solution may be about 10:3 to about 10:5. The solution is heated for a first period sufficient to allow Zn(M)Se crystal core to form. After the first period of heating, more zinc precursor and GSH are added to the heated solution, and the solution is heated for a second period sufficient to form ZnS crystal shell on the Zn(M)Se crystal core. GSH is added in a sufficient amount to form a GSH layer around the Zn(M)Se/ZnS quantum dot. | 12-16-2010 |
20110165689 | METHODS, COMPOSITIONS, AND ARTICLES COMPRISING STABILIZED GOLD NANOCLUSTERS - The invention relates generally to gold nanoclusters, and in particular, fluorescent gold nanoclusters. The gold nanoclusters may be stabilized, for example, with a protein or stabilizing agent. In some cases, the gold nanoclusters may be used in methods or articles to determine the presence, absence, and/or concentration of mercuric ions in a sample. | 07-07-2011 |
20130023024 | CONJUGATE OF MAGNETIC PARTICLE AND SURFACE MODIFIER LINKED THROUGH CLEAVABLE PEPTIDE BOND - A conjugate is provided for cell processing, which comprises a magnetic particle and a surface modifier having specific affinity to a target cell. The particle and modifier are linked through a cleavable peptide bond. In a method of cell processing, the conjugate is attached to a target cell; the target cell attached to the conjugate is subject to magnetic processing; the peptide bond is cleaved to separate the processed target cell from the magnetic particle; the target cell separated from the magnetic particle is attached to a substrate. The magnetic particle may include an iron oxide, and the surface modifier may include a glucosamine. The particle and modifier may be linked by a linker comprising a protease recognition site and a peptide bond. The linker links the surface modifier to the particle, and cleavage of the peptide bond is catalyzed by a specific protease that recognizes the protease recognition site. | 01-24-2013 |
Patent application number | Description | Published |
20110077538 | ELECTROCARDIOGRAM SIGNAL PROCESSING SYSTEM - According to embodiments of the present invention, an electrocardiogram signal processing system is provided which includes: a wavelet transformation unit comprising a plurality of outputs, each output being connected to one of a plurality of scales, wherein the wavelet transformation unit is adapted to transform an input electrocardiogram signal into a set of wavelets, each wavelet being output to one of the scales; a plurality of signal processing blocks, each of the signal processing blocks coupled to a respective output of the wavelet transformation unit and configured to receive and process the wavelet from the respective output, wherein the signal processing blocks provide processing functions which differ from one another. | 03-31-2011 |
20120032736 | MODULATOR, DEMODULATOR AND MODULATOR-DEMODULATOR - A modulator, a demodulator and a modulator-demodulator are provided. A modulator includes a first intermediate signal processing path adapted to route a first intermediate signal; a second intermediate signal processing path adapted to route a second intermediate signal; a first amplifier coupled into the first intermediate signal processing path; a second amplifier coupled into the second intermediate signal processing path; and a chopper circuit coupled into the first intermediate signal processing path; wherein the chopper circuit is adapted to process the first intermediate signal in dependence on first baseband data; wherein the first amplifier is adapted to amplify the first intermediate signal processed by the chopper circuit in dependence on second baseband data; and wherein the second amplifier is adapted to amplify the second intermediate signal in dependence on the second baseband data. | 02-09-2012 |
20120087418 | Communication Device and Method of Determining a Ranging Value in the Communication Device - A communication device and a method of determining a ranging value in the communication device are provided. The communication device, includes: a transmitter path, including: a transmitter clock generating circuit configured to generate a transmitter clock signal; a receiver path, including: a clock recovery circuit configured to recover a receiver clock signal from a received signal; a comparator circuit coupled to the clock recovery circuit and configured to compare the receiver clock signal and the transmitter clock signal to generate an output signal; a ranging determination circuit configured to determine a ranging value based on the output signal. | 04-12-2012 |
20130022086 | Transmitter with Modulation - A transmitter with modulation comprising a phase changing stage having a first switch and a second switch coupled t the first switch, a first transistor and a second transistor individually coupled to the each switch. The transmitter is configured to receive a phase changing signal having a first state and a second state. The first switch is configured t operate in an opposing manner to the second switch such that only the first transistor is configured to be turned on i the first state and only the second transistor is configured to be turned on in the second state upon receipt of the phase changing signal by the switches so as to achieve a change in an output phase of the transmitter when the phase changing signal switches from the first state to the second state. | 01-24-2013 |
20130035050 | Antenna and Receiver Circuit - According to one aspect of the invention, there is provided an antenna including: a substrate; a conductive layer formed on a portion of a top surface of the substrate; a first slot formed within the conductive layer; a conductive stub disposed within the first slot, the conductive stub tuned to reject a first frequency band; and a second slot formed within the conductive layer, the second slot tuned to reject a second frequency band. | 02-07-2013 |
20130163689 | Phase Shift Keying Transmitter Circuit - A phase shift keying transmitter circuit that includes: a variable frequency conversion stage adapted to receive a first data signal, wherein the variable frequency conversion stage comprises a plurality of frequency modulating elements, wherein the first data signal controls the number of the plurality of frequency modulating elements that are operated so as to control an operating frequency of the variable frequency conversion stage; and an output stage configured to switch between one of two possible outputs, the signals provided by one of the two possible outputs having an opposite polarity to the other, wherein the output stage is configured to receive a second data signal to control the switching between the two possible outputs, wherein the output stage is coupled to the variable frequency conversion stage and wherein the switching between the two possible outputs changes the phase of a signal from the variable frequency conversion stage by 180°. | 06-27-2013 |
20130207723 | A GM-RATIOED AMPLIFIER - Embodiments provide a gm-ratioed amplifier. The gm-ratioed amplifier comprises a first input voltage terminal and a second input voltage terminal, a first output voltage terminal and a second output voltage terminal, and an amplifying unit. The amplifying unit may be coupled between the input voltage terminals and the output voltage terminals and may be adapted to supply an output voltage to the output terminals in dependence on an input voltage supplied to the input terminals. The amplifying unit may comprise a gm-load, which comprises a first load branch comprising a first field effect transistor, and a second load branch comprising a second field effect transistor. A first source/drain terminal and a gate terminal of the first field effect transistor may be coupled to the first output voltage terminal, and a first source/drain terminal and a gate terminal of the second field effect transistor may be coupled to the second output voltage terminal. A second source/drain terminal of the first field effect transistor and a second source/drain terminal of the second field effect transistor may be coupled with each other through a first transistor arrangement such that a linearity of response of the output voltage to the input voltage is improved. | 08-15-2013 |
20130329773 | RECEIVER AND METHOD OF CONTROLLING A RECEIVER - According to embodiments of the present invention, a receiver is provided. The receiver includes an envelope detector configured to generate a waveform corresponding to an envelope of a signal received by the receiver, a carrier recovery circuit configured to generate a carrier signal based on the waveform, wherein the carrier signal has a frequency corresponding to a center frequency of the received signal, and a template generator configured to generate a local template signal based on the waveform, the local template signal including a plurality of pulses. According to further embodiments of the present invention, a method of controlling a receiver is also provided. | 12-12-2013 |
20140104010 | Method and Apparatus for a Duty-Cycled Harmonic Injection Locked Oscillator - A method and an apparatus for a duty-cycled injection locked oscillator is provided for frequency shift keyed (FSK) signal transmissions. The oscillator includes a resonance LC tank and a first switching device. The first switching device is coupled to the resonance LC tank and injects an initial current pulse with a predetermined pulse magnitude into the resonance LC tank. The initial current pulse also fixes an initial phase of the duty-cycled injection locked free-running oscillator in response to the predetermined magnitude of the initial current pulse to enable fast settling of injection locking and high data rate operation of the duty-cycled injection locked oscillator. The oscillator also includes a second switching device, such as a differential pair of switching devices. The second switching device is coupled to the LC resonance tank for injecting a gated periodic reference signal having a duty cycle modified to reduce power of the reference signal by approximately seventy-five per cent. | 04-17-2014 |
20140362952 | Frequency Shift Keying Transmitter - According to embodiments of the present invention, a frequency shift keying transmitter is provided. The frequency shift keying transmitter includes a logic gate arrangement that produces an output signal having a frequency that depends on input signals to the logic gate arrangement, a clock generator coupled to the logic gate arrangement, the clock generator adapted to produce a clock signal, and a sampling arrangement coupled to the logic gate arrangement, the sampling arrangement adapted to receive a data signal, wherein the sampling arrangement is configured to sample the clock signal to generate periodic waveforms delayed from each other by an interval determined by the point the clock signal is sampled, wherein the sampling arrangement is configured to be controlled by the data signal to have the logic gate arrangement select periodic waveforms that are delayed from each other by one of a set of intervals associated with the data signal, to be used as the input signals to the logic gate arrangement to produce the output signal. | 12-11-2014 |