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Carrier Frequency patents



      
           
This page is updated frequently with new Carrier Frequency-related patent applications. Subscribe to the Carrier Frequency RSS feed to automatically get the update: related Carrier RSS feeds. RSS updates for this page: Carrier Frequency RSS RSS


System and method for controlling ground transceiver communications with a satellite transceiver

System and method for controlling ground transceiver communications with a satellite transceiver

Method and apparatus for multi-radio coexistence on adjacent frequency bands

Date/App# patent app List of recent Carrier Frequency-related patents
07/17/14
20140199941
 System and method for controlling ground transceiver communications with a satellite transceiver patent thumbnailSystem and method for controlling ground transceiver communications with a satellite transceiver
A system and method of controlling communication between a satellite transceiver and a ground transceiver, where the satellite transceiver is configured to receive concurrently a plurality of messages at substantially the same carrier frequency from a plurality of ground transceivers. The satellite transceiver transmits a time reference signal.
07/17/14
20140199940
 System and method for controlling ground transceiver communications with a satellite transceiver patent thumbnailSystem and method for controlling ground transceiver communications with a satellite transceiver
A system and method of controlling communication between a satellite transceiver and a ground transceiver, where the satellite transceiver is configured to receive concurrently a plurality of messages at substantially the same carrier frequency from a plurality of ground transceivers. The satellite transceiver transmits a priority threshold indicative of a transmit power that a ground transceiver is authorized to use to transmit a message.
07/17/14
20140199939
 System and method for controlling ground transceiver communications with a satellite transceiver patent thumbnailSystem and method for controlling ground transceiver communications with a satellite transceiver
A system and method of controlling communication between a satellite transceiver and a ground transceiver, where the satellite transceiver is configured to receive concurrently a plurality of messages at substantially the same carrier frequency from a plurality of ground transceivers. The satellite transceiver transmits a priority threshold indicative of a priority rating of a message that authorizes the ground transceiver to transmit the message to the satellite transceiver.
07/17/14
20140198765
 Method and apparatus for multi-radio coexistence on adjacent frequency bands patent thumbnailMethod and apparatus for multi-radio coexistence on adjacent frequency bands
Various methods for controlling an aggressor user equipment (ue) can use two transmission power control loops to mitigate ue-to-ue adjacent carrier frequency band interference to a geographically proximal victim ue. The aggressor ue can select between different transmission power parameters based on two (or more) power values.
07/17/14
20140198744
 Method and apparatus for data-splitting transmission from multiple sites patent thumbnailMethod and apparatus for data-splitting transmission from multiple sites
Methods and apparatus for changing cell range coverage are disclosed. The coverage may be changed on a per-sub-frame basis.
07/17/14
20140198721
 System and method for controlling ground transceiver communications with a satellite transceiver patent thumbnailSystem and method for controlling ground transceiver communications with a satellite transceiver
A system and method of controlling communication between a satellite transceiver and a ground transceiver, where the satellite transceiver is configured to receive concurrently a plurality of messages at substantially the same carrier frequency from a plurality of ground transceivers. The satellite transceiver transmits a ranking threshold indicative of a transmit power that a ground transceiver is authorized to use to transmit a message.
07/17/14
20140198717
 System and method for controlling ground transceiver communications with a satellite transceiver patent thumbnailSystem and method for controlling ground transceiver communications with a satellite transceiver
A system and method of controlling communication between a satellite transceiver and a ground transceiver, where the satellite transceiver is configured to receive concurrently a plurality of messages at substantially the same carrier frequency from a plurality of ground transceivers. The satellite transceiver transmits a ranking threshold indicative of a transceiver ranking of a ground transceiver that authorizes the ground transceiver to transmit a message to the satellite transceiver.
07/10/14
20140192850
 Method and apparatus for eliminating the effects of frequency offsets in a digital communication system patent thumbnailMethod and apparatus for eliminating the effects of frequency offsets in a digital communication system
The present invention aims at eliminating the effects of frequency offsets between two transceivers by adjusting frequencies used during transmission. In this invention, methods for correcting the carrier frequency and the sampling frequency during transmission are provided, including both digital and analog implementations of such methods.
07/10/14
20140192616
 Electronic device patent thumbnailElectronic device
Provided is an electronic device including a modulation unit (22) that modulates a sound signal to a modulation wave for a parametric speaker; an oscillator (12) to which the modulation wave is input; an equalizer (26) that corrects a frequency characteristic of a sound wave that is demodulated by the modulation wave; and a control unit (20) that selects a carrier frequency of the modulation wave and changes setting of the equalizer (26) on the basis of the selected carrier frequency. Thus, it is possible to provide the electronic device capable of correcting the frequency characteristic of the sound wave that is demodulated, for each carrier frequency of the modulation wave..
07/03/14
20140186057
 Method of demodulating a phase modulated optical signal patent thumbnailMethod of demodulating a phase modulated optical signal
Proposed is a method of demodulating a phase modulated optical signal received from an optical channel. A time-discrete electrical signal is derived from the phase modulated optical signal, using a local optical signal, which has a frequency that is essentially equal to a carrier frequency of the phase modulated optical signal.
07/03/14
20140184393
Wireless control system and method
A wireless control system for use in a vehicle and for use with a remote electronic system is provided. The wireless control system includes a transceiver for mounting in the vehicle.
06/26/14
20140179333
Method and base station for automatic carrier selection
A femtocell basestation selects its carrier frequency by detecting a carrier used by at least one other basestation in its network, and selecting its own carrier frequency such that it partially overlaps with the detected carrier. The downlink power of the femtocell basestation is set based on the degree of overlap between the selected carrier and the detected carrier, so that a user equipment having a connection to the other basestation is forced to search for the selected carrier..
06/26/14
20140179302
Wireless radio extension using up- and down-conversion
A system may include a base station and a remote radio head (“rrh”). The base station may receive digital data streams destined for a user device, and generate a first set of modulated signals.
06/26/14
20140179254
Carrier frequency offset compensation apparatus and associated method
A carrier frequency offset compensation method for a communication system is provided. The method includes: mixing, filtering and interpolating an input signal according to a mixing parameter, a first filtering parameter and a first interpolation parameter, respectively, to generate a processed result; calculating a carrier frequency offset estimation value of the input signal according to the processed result; adjusting the mixing parameter according to the carrier frequency offset estimation value; and mixing, filtering and interpolating the input signal according to the adjusted mixing parameter, a second filtering parameter and a second interpolation parameter, respectively.
06/26/14
20140177766
Channel tracking in an orthogonal frequency-division multiplexing system
A receiver determines phase and frequency information from data signals that carry information from a transmitter to a receiver, instead of or in addition to, information from control signals. In a specific embodiment, the information is obtained from data signals modulated as a binary phase-shift keying (“bpsk”) waveform by demodulation.
06/26/14
20140177552
Data resource mapping for frequency-coded symbols
A device and method for communicating frequency-coded symbols that include data elements and reference symbols are disclosed. In one aspect, a carrier frequency band includes a plurality of subcarrier frequency bands.
06/26/14
20140177550
Transmitting method, receiving method, transmitter, and receiver
A transmitter, a receiver, a transmitting method and a receiving method are proposed. The transmitter, adapted for an user equipment (ue) of a data transmission scheme using a contention-based radio access based on single-carrier frequency division multiplexing access with code division multiplexing (sc-fdma-cdm) includes a memory unit and a processing unit.
06/26/14
20140175267
Method and apparatus for generation of arbitrary waveforms with large bandwidth and long time apertures
Techniques for producing an arbitrary broadband waveform include storing a first waveform in a circulating coherent storage device. A next waveform is generated.
06/19/14
20140173668
Fast blind scan method insensitive to adjacent channel interference
A fast blind scan method first initializes pointers to fetch a block of spectrum and then checks whether the block contains a high spectrum signal and whether the difference between a carrier frequency of the high spectrum signal and a start pointer is greater than a first threshold. When the high spectrum signal is absent or the difference is not greater than the first threshold, it checks whether there is a full band channel in the block.
06/19/14
20140169784
Training-assisted carrier frequency and phase recovery in digital coherent optical communication systems
A method of recovering frequency and phase associated with an optical carrier signal in an optical communication system includes determining an estimated frequency offset based on a starting training sequence, determining a current frequency offset based on the estimated frequency offset and a current phase during steady-state operation of the optical communication system, determining a current frequency based on the current frequency offset, determining an estimated phase using training symbols inserted into the optical carrier signal, and determining the current phase associated with the optical carrier signal based on the estimated phase and a blind phase search algorithm. A corresponding systems and computer-readable device are also disclosed..
06/19/14
20140169413
Communication apparatus
A communication apparatus includes a doppler shift amount calculation unit configured to calculate a doppler shift amount of a reception signal which is received from an artificial satellite and is obtained by modulating a signal, for which spectrum spreading is performed by using a predetermined spread code, by a predetermined carrier frequency, a sampling interval setting unit configured to set a sampling interval, at which down sampling is performed for the reception signal, a down sampling unit configured to perform the down sampling for the reception signal, a coherent addition unit configured to perform coherent addition of the reception signal, a spread code generation unit configured to generate a spread code, and a phase detection unit configured to perform correlation calculation between a calculation result of the coherent addition and the spread code and detects a phase of the spread code of the reception signal.. .
06/19/14
20140168011
Communication apparatus
A communication apparatus includes a doppler shift amount calculation unit configured to calculate a doppler shift amount of a reception signal which is obtained by modulating a signal, for which spectrum spreading is performed by using a predetermined spread code, by a predetermined carrier frequency, a frequency shift amount setting unit configured to set a frequency shift amount on the basis of the doppler shift amount, a frequency conversion unit configured to shift the frequency of the reception signal by the frequency shift amount, a coherent addition unit configured to perform coherent addition of the reception signal, a spread code generation unit configured to generate a spread code, and a phase detection unit configured to perform correlation calculation between a calculation result of the coherent addition and the spread code and detect a phase of the spread code of the reception signal on the basis of the correlation calculation result.. .
06/12/14
20140161443
End-to-end carrier frequency control to improve bandwidth utilization in an optical network
A system to provide carrier frequency control in an optical network includes a first network element monitoring performance information and a second network element coupled to the first network element by the optical network. The second network element receives performance information from the first network element using an administration channel bandwidth, and modifies a carrier frequency associated with the second network element based on the performance information such that the carrier frequency is aligned to a center of a signal channel bandwidth.
06/12/14
20140161215
Device and method for estimating carrier frequency offset of ofdm signals transmitted and received through plurality of polarized antennas
Provided are a device and method for estimating carrier frequency offset of ofdm signals transmitted and received through a plurality of polarized antennas that may accurately estimate carrier frequency offset used for carrier frequency synchronization acquisition when there is interference between polarized waves.. .
06/12/14
20140161067
Method and apparatus for transmitting uplink control information
A method of transmitting uplink control information of a user equipment is provided. The method includes: generating the uplink control information repeatedly as many as uplink data transmission layers; modulating the uplink control information to generate a plurality of repeated modulation symbol; applying a precoding matrix to the plurality of repeated modulation symbols to generate a plurality of first precoded symbol; and transmitting the plurality of first precoded symbols respectively through a plurality of antennas in an uplink subframe comprising a plurality of single carrier frequency division multiple access (sc-fdma) symbols in a time domain and a plurality of subcarriers in a frequency domain..
06/12/14
20140159870
Contactless communication method with negative modulation
The present invention concerns a method of radio-frequency communication between a contactless transponder and a reader, in which at least one sideband of the carrier frequency is used for communicating a response from the transponder by modulation of the amplitude of this carrier frequency. The method is distinguished in that the modulation at least partly applies a modulation level greater than 100%, which causes a negative modulation.
06/05/14
20140153616
Sliding if transceiver architecture
Techniques for providing a transceiver with a sliding intermediate frequency (if). In an aspect, a pll generates a single local oscillator (lo) signal used for both up-conversion by a transmit (tx) signal path and down-conversion by a receive (rx) signal path, wherein the lo frequency is chosen as the tx carrier frequency.
06/05/14
20140152459
Wellsite system and method for multiple carrier frequency, half duplex cable telemetry
Methods and systems for multiple carrier frequency, half duplex cable telemetry for a wellsite. The methods involve generating a first type of bi-directional message in a first propagation mode, generating a second type of bi-directional message in the first propagation mode and in a second propagation mode, transmitting over a cable operatively coupling a surface modem and a downhole modem the first and second types of bi-directional message sequentially in a plurality of time periods across a single frequency bandwidth, and separating each of the first and second types of bi-directional message from a most subsequently transmitted one of the first and second types of bi-directional message by a quiet time sample during which no message is transmitted..
05/29/14
20140146928
Convolutional deinterleaving apparatus and associated method
A convolutional deinterleaving apparatus includes a memory and a control module. The control module stores a plurality of sets of data into the memory according to a deinterleaving rule.
05/22/14
20140143818
Cable communication systems and methods employing 256-qam upstream channels and having increased upstream capacity for supporting voice and/or data services
Cable communication systems and methods to provide voice and/or data services to subscriber premises via a cable plant that conveys upstream information over an upstream path bandwidth, and a cable modem system including one or more demodulation tuners to receive and demodulate one or more upstream radio frequency (rf) signals. An rf signal includes an encoded carrier wave having a carrier frequency of between approximately 5 mhz and 25 mhz that is modulated using quadrature amplitude modulation (qam) with voice and/or data information constituting at least some of the upstream information.
05/22/14
20140141787
Management of asymmetric communication frequency channels in a radio communication system
A radio communications system comprising a plurality of cells, each containing a base station and mobile terminals. Said system is able to manage group communications between different mobile terminals, allocating during the establishment of a group communication for each cell an uplink channel contained in an uplink carrier frequency and a downlink channel contained in a downlink carrier frequency.
05/22/14
20140140709
Apparatus and method for a frequency specific antenna and receiver
A frequency specific receiver and method can receive a transmitted polarized carrier signal wave, the carrier signal wave having a carrier frequency, encoding one or more data bits, includes a synchronization filter to determine a reference time at 0π of the carrier signal wave from a forward wave received at a forward antenna element and a rear wave received at a rear antenna element, positioned apart from one another by a distance of ¼ wavelength of the transmitted carrier signal wave and oriented in a polarization direction of the transmitted carrier signal wave. A first a/d converter samples the forward wave at π/2, π, 3π/2 and 2π radians and a second a/d converter samples the rear wave at π/2, π, 3π/2 and 2π radians.
05/22/14
20140140444
Compensation apparatus, signal generator and wireless communication equipment
A compensation apparatus compensates a quadrature-demodulated signal output from a quadrature demodulator 5 that performs quadrature demodulation by using a signal of a carrier frequency fc, by removing an image component caused by the quadrature demodulator 5 from the quadrature-demodulated signal. The compensation apparatus includes a signal generator 10 that generates a reference signal having a predetermined bandwidth in a reception band, and provides the reference signal to an input side of the quadrature demodulator 5.
05/22/14
20140140430
Multi-antenna signal processing method and device in uplink system
The disclosure discloses a multi-antenna signal processing method in an uplink system. The method includes that: after scrambling, modulation, layer mapping, pre-coding, transmission pre-coding, resource mapping and single carrier frequency division multiple access (sc-fdma) signal generation are performed successively on a coded bit sequence corresponding to each codeword, a resulted signal is transmitted from each transmitting antenna port.
05/22/14
20140140380
Initialization sequence for bi-directional communications in a carrier-based system
A method is provided. An initial bit sequence is received by a receiver.
05/22/14
20140140302
Method and apparatus for transmitting/receiving uplink signaling information in a single carrier fdma system
A method and an apparatus method are provided for transmitting uplink information in a single carrier frequency division multiple access (sc-fdma) wireless communication system. The method includes determining whether acknowledgement/negative acknowledgement (ack/nack) information indicating whether or not downlink data has been received exists to be transmitted, if uplink data exists to be transmitted; multiplexing the uplink data and control information for the uplink data and transmitting multiplexed data including the uplink data and the control information, through a frequency resource allocated for the uplink data, if no ack/nack information exists; and multiplexing the uplink data, the control information for the uplink data, and the ack/nack information, and transmitting multiplexed data through the frequency resource allocated for the uplink data, if the ack/nack information exists.
05/22/14
20140139352
Frequency hopping for smart air springs
The subject invention relates to an air spring height sensor comprising a transmitter unit (102) for transmitting a height measuring signal, a receiver unit (101) for sensing a height signal, a carrier frequency switching unit (103), and an evaluation unit (200). The receiver unit and the transmitter unit are adapted for being mounted to opposing mounting elements (10, 20) of an air spring (1).
05/15/14
20140133490
Parallelly coupled stackable network switching device
A network switching device includes at least two stacking ports, each stacking port being connectable via a stacking cable to a stack including at least one external network switching device. The device further includes an internal communication medium coupled to the stacking ports and capable of transmitting a frequency division multiplexed signal between the stacking ports.
05/15/14
20140131344
Seat heater and capacitive occupancy sensor combination
In a combined seat heater and capacitive occupancy sensor, the present invention proposes to perform two measurements with two different frequencies. In a first step, the carrier frequency is set to a first known carrier frequency, the complex current through inductance and unknown capacitance and complex drive voltage are measured.
05/08/14
20140128091
Probability calculation of rat candidate
An apparatus (200) for use in a telecommunications system. The apparatus (200) comprising a memory (240) and a controller (210).
05/08/14
20140128011
Antenna system and signal transmit device
Embodiments of the present invention provide an antenna system that includes: at least one antenna unit group, wherein at least two antenna units are arranged in the vertical direction in each antenna unit group, and each antenna unit includes two antennas which are crosswise arranged, where carrier frequency signals transmitted by the at least one antenna unit group are identical, and a gap between adjacent antenna units which transmit any identical carrier frequency signal in each antenna unit group is a half wavelength of a frequency of the transmitted carrier frequency signal; and the number of antenna units which transmit each type of carrier frequency signals is determined by a gap between adjacent antenna units which transmit the type of carrier frequency signals and the coverage radii of at least two types of carrier frequency signals transmitted by the antenna unit group.. .
05/08/14
20140126676
Estimation of sample clock frequency offset based on error vector magnitude
A low complexity system and method for operating a receiver in order to estimate an offset between the actual sample clock rate 1/ts′ of a receiver and an intended sample clock rate 1/ts. The receiver captures samples of a received baseband signal at the rate 1/ts′, operates on the captured samples to generate an estimate for the clock rate offset, and fractionally resamples the captured samples using the clock rate offset.
05/08/14
20140126664
Using sequences for symbol timing synchronization in single-carrier modulation mimo communication systems
A method for symbol timing synchronization in multiple-input multiple-output (mimo) communication, the method including transmitting a first symbol sequence including a preamble symbol sequence s1 from a first transmitting location, transmitting a second symbol sequence from a second transmitting location, the first and second symbol sequences being modulated onto a same carrier frequency, receiving a first mixture of the first and the second symbol sequences at a first receiving location, cross correlating the first mixture with a symbol sequence p1 thereby producing a first correlation output, and determining a first timing offset for receiving the first symbol sequence based, at least in part, on the first correlation output. Related apparatus and methods are also described..
05/08/14
20140126440
Method and system for managing transmit power on a wireless communication network
The present disclosure sets forth multiple embodiments of the invention. Among those embodiments is a method for determining a maximum power reduction of an uplink signal.
05/08/14
20140125509
Radar for rejecting and looking past surface reflections
A multi-modal ground penetrating radar includes a radar set configured to launch predistorted double-sideband (dsb) suppressed-carrier modulated continuous waves (cw) to illuminate and penetrate a ground surface. A variable frequency modulator is connected to modulate a continuous wave (cw) carrier frequency generator within the radar set to yield a double-sideband suppressed carrier output.
05/01/14
20140120915
Method of handling frequency de-prioritization
A method of handling frequency de-prioritization for a communication device in a wireless communication system is disclosed. The method comprises receiving a first radio resource control (rrc) connection reject message with a first deprioritisation request indicating at least one first carrier frequency to be the lowest priority frequency, from a first public land mobile network (plmn) of the wireless communication system, and determining the at least one first carrier frequency to be the lowest priority frequency only when the communication device selects or registers to the first plmn..
05/01/14
20140119470
Digital radio frequency clocking methods
A method and system for synchronous transfer of bitstream data between a power-driver chip and a digital signal processing chip in a digital radio frequency transmit system is disclosed. A master phase-locked-loop located in the power-driver chip is utilized to provide master clocking control for the digital radio frequency transmit system.
05/01/14
20140119297
Method and apparatus for transmitting control information in a wireless communication system
A method for transmitting a signal via physical uplink control channel (pucch) in a wireless communication system and an apparatus for performing the method are provided. Control information bits are modulated to generate n1 modulation symbols, wherein n1 is twice a number of subcarriers in one resource block (rb).
05/01/14
20140119264
Primary cell signaling for embms in carrier aggregation
A method, an apparatus, and a computer program product for wireless communication are provided. In a first configuration, the apparatus is an enb.
04/24/14
20140112409
Wireless transmitter, wireless receiver, wireless communication system, elevator control system, and transformer equipment control system
Improving the reliability of digital radio communication affected by multi-path interference under an environment where there are multiple objects that scatter electromagnetic waves is accomplished. A wireless transmitter transmits a first transmission wave having a first carrier frequency (f0+Δf), modulated by a modulator with an information signal having a frequency band f1 which is predetermined, from a transmitting antenna, and transmits a second transmission wave having a second carrier frequency (f0−Δf), modulated by a modulator with such information signal.
04/24/14
20140112302
Method of dynamic allocation of shared resources in a time-frequency plan and associated device
A method is provided of dynamic allocation of shared resources in a communication network, consisting in defining, in a time-frequency plan, a superframe of a given duration Δt and a given spectral width Δf, made up of one or more frames, each defining a regular time-frequency grid, of which one square, referred to as a time-frequency unit, constitutes the smallest time and frequency interval allocable to a user of said network within said frame, said method consisting in reserving, on each carrier frequency of a frame, at least one block of a number k, greater than or equal to 1, of time-frequency units which can be dynamically allocated to a user for communication or for synchronization.. .
04/17/14
20140107533
Ultrasound neuromodulation treatment of attention deficit hyperactivity disorder
Disclosed are methods and systems and methods for non-invasive neuromodulation using ultrasound to treat attention deficit hyperactivity disorder. The neuromodulation can produce acute or long-term effects.
04/17/14
20140106774
Second node, positioning node and methods therein
Some embodiments herein disclose a method in a second node (12,13) for performing a positioning measurement on at least uplink signals transmitted by a wireless device (10) served by a first node (12) in a wireless communication network (1). The second node (12,13) obtains information related to a non-contiguous uplink configuration associated with a carrier frequency, wherein the non-contiguous uplink configuration further comprises one or more multi-cluster uplink transmissions from the wireless device (10).
04/17/14
20140106669
Carrier frequency variation for device detection in near-field communications
A near-field communications (nfc) device includes an nfc antenna, a matching network coupled to the nfc antenna, and a transmitter coupled to the matching network. The transmitter applies a signal to the matching network and varies a frequency of the signal.
04/17/14
20140105342
Frame and symbol timing recovery for unbursted packetized transmissions using constant-amplitude continuous-phase frequency-modulation
A system and method for performing frame and symbol timing synchronization on samples of a received signal that includes a series of frames. Each frame includes a known preamble and payload data.
04/17/14
20140103110
Automatic touch identification system and method thereof
An automatic identification system for communicating identifying information by coupling signals through the human body is provided. The system includes a battery powered identification device that transmits an identifying signal via a modulated carrier.
04/10/14
20140099969
Dedicated barring and escape command
In accordance with an example embodiment of the present invention, a method includes receiving a connection request in uplink signaling from a user equipment, the user equipment being located in a cell; making a determination whether the user equipment can be connected and, if it is determined that the user equipment cannot be connected, informing the user equipment by downlink signaling, as a response to the connection request, that the user equipment cannot be connected. The downlink signaling includes information that indicates that the user equipment should de-prioritize a current carrier frequency or current radio access technology, and can further include a timer value to indicate a period of time for which the current carrier frequency or current radio access technology is to be de-prioritized.
04/10/14
20140099894
Apparatus and method pertaining to testing a stylus communication path for interference
An apparatus having a stylus scribing surface and a sensor configured to communicate with a stylus via a wireless communication path regarding a location of the stylus with respect to that stylus scribing surface also has a control circuit that operably couples to that sensor. The control circuit is configured to automatically test that wireless communication path for interference.
04/10/14
20140098743
Resolving co-channel interference between overlapping users using rank selection
An improved method for resolving interference between co-channel users is disclosed. A peak in a spectrum generated by a music algorithm is determined for a signal of interest (“soi”) using a noise subspace.
04/03/14
20140092867
Method and system for redirection between disparate systems
Disclosed are a method and a system for inter-system redirection. The method comprises: a base station sending a first message to a terminal, instructing the terminal to perform redirection; and the terminal accessing the redirected network; wherein the first message carries at least one of the following: a type of wireless access technology, an identifier of whether to redirect, threshold information of redirection, recognition information of the redirected cell, carrier frequency information, return indication of redirection failure, and grouping information of redirection.
03/27/14
20140086085
Channel measurement method and apparatus
Embodiments of the present invention provide a channel measurement method and apparatus. The method includes: configuring, for each frequency band of n frequency bands having a same carrier frequency, according to a measurement demand, reference signal information corresponding to each frequency band, so that reference signal densities included in configured reference signal information of at least two frequency bands of the n frequency bands are different, where n is a positive integer greater than or equal to 2, the reference signal information refers to information required to generate a reference signal, the reference signal density refers to a distribution density on a time domain or a distribution density on a frequency domain of the reference signal or a pattern of the reference signal; and notifying a user equipment of the reference signal information, so that the user equipment performs channel measurement according to the reference signal information..
03/20/14
20140079164
Full-range pilot-assisted frequency offset estimation for ofdm communication systems
A training symbol with two identical halves as well as a pilot-tone at a center frequency is used for both timing synchronization and carrier frequency offset estimation. A timing synchronization is achieved by finding a peak of a cross-correlation function of the two halves in the first symbol.
03/20/14
20140077904
Apparatus and method for tuning the frequency of a bandpass filter to an offset frequency around a carrier frequency
A novel frequency locked loop for tuning a bandpass filter to a small offset frequency around an rf center frequency is provided. The difference between the bandpass filter frequency and the rf center frequency is generated, a frequency locked loop is used to tune the frequency difference to a reference offset frequency..
03/13/14
20140071937
Method, system, access point and computer program product for enhancing the usable bandwidth between of a telecomunications network and a user equipment
A method for enhancing usable bandwidth between an access point of a radio access network of a telecommunications network and a user equipment of a subscriber of the telecommunications network, in which the user equipment and the access point are configured to mutually communicate based on a standardized mobile communication technology using carrier aggregation of at least a first communication carrier having a first carrier frequency and a second communication carrier having a second carrier frequency. The first carrier frequency is a standardized and licensed frequency and is related to the standardized mobile communication technology.
03/13/14
20140071919
Method and apparatus for handling measurement gaps in wireless networks
In a wireless communication system, user equipment (ue) has autonomy provided by one or more set of rules to handle processing during a measurement gap. Ue can ignore or use only a portion of the whole measurement gap if not needed.
03/13/14
20140070998
Device and method for recognizing location by conversion of frequency offset
Provided is an apparatus and method for recognizing a location by conversion of a frequency offset, the apparatus including a setting unit to receive, from a terminal, a plurality of signals comprising a first signal and a second signal, and to set a variable corresponding to each of the plurality of signals, a detector to detect a first residual phase of a carrier frequency of the first signal and a second residual phase of a carrier frequency of the second signal using the variables, and a recognizer to recognize a location of the terminal by calculating a difference between the first residual phase and the second residual phase.. .
03/06/14
20140068272
Strong authentication token with acoustic data input over multiple carrier frequencies
Strong authentication tokens for generating dynamic security values having an acoustical input interface for acoustically receiving input data are disclosed. The tokens may also include an optical interface for receiving input data and may have a selection mechanism to select either the acoustical or the optical input interface to receive data.
03/06/14
20140064734
Wdm telecommunications link with coherent detection and optical frequency comb sources
An optical data link has a transmitter and a receiver with coherent detection at the receiver and more than one optical carrier frequency. The optical carrier frequencies are generated by a frequency comb source in both the transmitter and the receiver.
03/06/14
20140064409
Data and/or command signal transmission device with antenna arrangements
The data and/or command signal transmission device includes a first signal generator connected to a first antenna arrangement, a second signal generator connected to a second antenna arrangement, a third signal generator connected to a third antenna arrangement, and a synchronisation circuit. The synchronisation circuit performs data amplitude modulation by combining the signals transmitted by the antenna arrangements.
03/06/14
20140064341
Radio communication apparatus method
A digital radio module (100) comprises a modular architecture for use in a multi-band multi-standard radio communication apparatus. The digital radio module (100) comprises one or more digital transmitter sub modules (1011 to 101x), each digital transmitter sub module comprising a plurality of digital transmitter chains (1031 to 103n), and one or more digital receiver sub modules (1051 to 105y), each digital receiver sub module comprising a plurality of digital receiver chains (1071 to 107m).
03/06/14
20140063884
Inverter device
In an inverter device, a first three-level circuit includes first to fourth preceding-stage switch elements connected in series between a first input end and a ground and a first charging and discharging capacitor. A second three-level circuit includes fifth to eighth preceding-stage switch elements connected in series between a second input end and the ground and a second charging and discharging capacitor.


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Carrier Frequency topics: Carrier Frequency, Modulation, Demodulation, Objective Function, Phase Offset, Coordinates, Phase Shift, Amplification, Mobile Terminal, Pilot Signal, Electrical Signal, Base Station, Subscriber, Extension Carrier, Carrier Aggregation

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