Intel IP Corporation Patent applications |
Patent application number | Title | Published |
20160128134 | SYSTEMS, METHODS, AND DEVICES WITH DIFFERENT RADIO LINK FAILURE TIMERS BASED ON USER EQUIPMENT SPEED - Systems, methods, and device for adjusting an operation time of a radio link failure timer are disclosed herein. User equipment (UE) may be configured to communicatively couple to an evolved Universal Terrestrial Radio Access Network (E-UTRAN). The UE use different radio link failure timer parameters depending on the speed of the UE. The radio link failure timer may run for a longer time for rapidly moving UEs and run for a shorter time for slowly moving UEs. In an embodiment, the UE may scale the radio link failure timer by a scaling factor. In another embodiment, the UE may include multiple radio link failure timers for different speeds. The radio link failure timer parameters for each speed may be specified by the E-UTRAN in a one-to-one communication. The E-UTRAN may determine which parameters to use for each UE based on characteristics of the UE. | 05-05-2016 |
20160119939 | SYSTEMS, METHODS, AND APPARTATUSES FOR BEARER SPLITTING IN MULTI-RADIO HETNET - Systems and methods for bearer splitting among multiple radio links are disclosed herein. User equipment (UE) may be communicatively coupled to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB) by multiple radio links (e.g., an LTE link and a WLAN link). A transmitter may dynamically determine a splitting policy for how to split traffic among each link (e.g., what proportion to send over each link). In some embodiments, the transmitter may determine the splitting policy explicitly based on lower layer metrics. Alternatively, or in addition, each radio access interface may request data when a transmission opportunity becomes available, and the splitting policy may be determined implicitly from the data requests. For a UE, the splitting policy may be determined with network assistance, which may include a resource allocation for an LTE link, a probability of successful transmission over a WLAN link, and/or the like. | 04-28-2016 |
20160078927 | DESIGN-FOR-TEST APPARATUSES AND TECHNIQUES - Embodiments of design-for-test (DFT) apparatuses and related techniques are disclosed herein. In some embodiments, a DFT apparatus may include an SRAM cell, read/write (R/W) circuitry to provide a nominal word line (WL) voltage and a nominal BL voltage for application to the SRAM cell during accesses. The DFT apparatus may also include test circuitry having an activated state and a deactivated state. When the test circuitry is in the activated state, in some embodiments, the WL voltage and/or the BL voltage applied to the SRAM cell may be different from the nominal voltages provided by the R/W/decoder circuitry. The R/W/decoder circuitry may be operated to perform accesses to the SRAM cell while the test circuitry is in the activated state. Other embodiments may be disclosed and/or claimed. | 03-17-2016 |
20160077184 | METHOD, SYSTEM AND APPARATUS FOR A LOW-POWER LOCATION MEASUREMENT RESPONDER - In accordance with some embodiments, one or more low-power responder nodes may be utilized to provide better and lower cost coverage for fine timing measurement (FTM) requests. By advertising its availability to receive and respond to FTM requests, a low-power responder node may enter a low-power or deep sleep mode during times of unavailability. A low-power responder node may be powered by a battery, reducing the cost and deployment of nodes in a location determination network. | 03-17-2016 |
20160044552 | SYSTEMS, METHODS, AND DEVICES FOR PROXIMITY SERVICES FOR MULTI-CARRIER CAPABLE MOBILE DEVICES - A user equipment (UE) is configured to perform cell selection and camp on a first cell in a first frequency resource. The UE is configured to determine that proximity services are supported in a second frequency resource. The first and second wireless frequency resources are within licensed spectrums corresponding to one or more mobile communications networks. The UE is configured to start device-to-device communication on the second frequency resource and send, with the transceiver, a device-to-device message in the second frequency resource. The device-to-device message includes one of a device-to-device discovery message and a device-to-device communication message. | 02-11-2016 |
20160044529 | SYSTEMS, METHODS, AND DEVICES FOR CONGESTION CONTROL ON A MOBILE NETWORK - A user equipment (UE) is configured to send one or more service requests to a third party server via a mobile communications network, such as an evolved packet core (EPC). The UE is configured to determine that there is an error or delay in receiving a response to the one or more service requests from the third party server, and to send a wake-up request to a network element in the mobile communications network requesting notification when the third party server is available. | 02-11-2016 |
20160029417 | SMALL DATA COMMUNICATIONS - Technology for communicating a small data set between a user equipment (UE) and an evolved node B (eNB). A channel condition of a downlink channel with the eNB may be determined at the UE. A channel condition indication based on the channel condition may be communicated to the eNB. The small data may be transmitted to the eNB using a signaling radio bearer (SRB) when the channel condition is greater than a selected threshold. | 01-28-2016 |
20160021593 | NETWORK-ASSISTED LTE CHANNEL ACQUISITION - In one embodiment, the present disclosure provides an IRP manager configured to query at least one eNB to determine physical layer cell identification and/or LTE band information associated with one or more cell coverage areas associated with the at least one eNB and determine an optimal physical layer cell identification and LTE band for at least one cell associated with the at least one eNB. The optimal physical layer cell identification and/or LTE band may be based on, for example, network topology statistics (e.g., current cell coverage area, etc.), traffic load, etc. The optimal physical layer cell identification and/or LTE band information may be utilized by at least one UE within a coverage area of a WLAN AP to provide cell connection in the event the at least one UE falls outside the coverage area of a WLAN AP. | 01-21-2016 |
20160020890 | APPARATUS, SYSTEM AND METHOD OF USER-EQUIPMENT (UE) CENTRIC TRAFFIC ROUTING - Some demonstrative embodiments include devices, systems of User Equipment (UE) centric access network selection. For example, a node B may transmit to a User Equipment (UE) a cellular communication message over a cellular communication medium, the message including a value of a predefined parameter, which is based on a cellular network load of a cellular network. | 01-21-2016 |
20150382281 | APPARATUS, SYSTEM AND METHOD OF COMMUNICATING NON-CELLULAR ACCESS NETWORK INFORMATION OVER A CELLULAR NETWORK - Some demonstrative embodiments include devices, systems and/or methods of communicating non-cellular access network information via a cellular network. For example, an Evolved Node B (eNB) may include a radio to transmit a control message over a cellular communication medium, the control message including access network information of at least one non-cellular network within a coverage area of the eNB. | 12-31-2015 |
20150382258 | SYSTEMS, METHODS AND DEVICES FOR SMALL CELL ACTIVATION AND DETECTION - Methods, systems, and devices for enabling wireless communication devices in a cellular wireless network to utilize small cells having coverage within a macro cell are disclosed herein. User equipment (UE) can detect the need for using a booster providing a small cell, detect availability of small cells and submit a request to infrastructure of the cellular wireless network to aid in connection with the booster that provides the small cell. The request can be enhanced with small cell location queries, small cell activation requests and/or assistance data to enable meaningful small cell selection. | 12-31-2015 |
20150373596 | IMPROVED HANDOVER WITH PING PONG AVOIDANCE IN A WIRELESS NETWORK - Generally, this disclosure provides apparatus and methods for improved handover with ping pong avoidance in wireless heterogeneous networks. The UE device may include a handover (HO) module configured to determine a reference signal received power (RSRP) difference between a serving cell and a neighbor cell and to select a TimeToTrigger (TTT) related to an HO measurement report based, at least in part, on the RSRP difference. | 12-24-2015 |
20150373510 | MULTICAST-BASED GROUP COMMUNICATIONS IN AD HOC ARRANGEMENTS OF WIRELESS DEVICES - Wireless communication devices may directly communicate within groups of wireless communication devices using Layer-2 communications to implement “push-to-talk” type applications. In one implementation, a method may include generating a floor request signaling message to take control of a communication channel for a group. After transmitting data relating to the communications, a floor release signaling message may be generated and transmitted a number of times. | 12-24-2015 |
20150359033 | PATH SWITCHING PROCEDURE FOR DEVICE-TO-DEVICE COMMUNICATION - Session continuity may be maintained when communication devices transition from communicating through network infrastructure (e.g., through a cellular network) to direct mode communications (e.g., a communication path directly between two communication devices). For example, in switching from an infrastructure mode communication path to a direct mode communication path, a method may include: determining a public-facing address corresponding to the infrastructure path; replacing, for a packet that is to be transmitted over the direct mode communication path to a second communication device, a source address field of the packet with the determined public-facing address; and encapsulating the packet with source and destination address fields corresponding to the first and second communication device through the direct mode communication path respectively. | 12-10-2015 |
20150359023 | TARGETED GROUP-BASED DISCOVERY FOR WIRELESS COMMUNICATION DEVICES - Techniques described herein may provide for device discovery of direct communication paths, to enable direct mode communication, between communication devices. The discovery of the communication paths may be based on identifiers that may be defined at the application level and included in device discovery requests. In one implementation, the identifiers may be SIP-URIs (session initiation protocol (SIP)-uniform resource identifiers (URIs)). | 12-10-2015 |
20150351139 | METHOD, APPARATUS AND SYSTEM FOR MANAGING BEARERS IN A WIRELESS COMMUNICATION SYSTEM - Embodiments of the present disclosure describe methods, apparatuses, and systems for managing bearers in a wireless communication system. In some embodiments, an apparatus, to be employed by a user equipment (UE), may comprise a communication module to: communicate with a core network on a first bearer through a master evolved Node B (MeNB); receive, from the MeNB, a first message of reconfiguring a radio resource control (RRC) connection to establish a second bearer between the UE and the core network and through a secondary eNB (SeNB); synchronize, in response to the message, with the SeNB in order to establish the second bearer; and communicate with the core network on the second bearer through the SeNB, and continue communicating with the core network on the first bearer through the MeNB. | 12-03-2015 |
20150341838 | TECHNIQUES FOR DEPLOYING SMALL CELLS AS SECONDARY CELLS FOR USER EQUIPMENT - Examples are disclosed for deploying small cells as secondary cells for user equipment (UE). The examples include an UE, one or more small cell evolved node B (eNBs) or a macro cell eNB gathering information and reporting the gathered information to a management entity for an evolved packet core. The gathered information may be associated with the one or more small cell eNBs serving as a secondary cell for the UE while the macro cell eNB may serve as a primary cell. In some examples, the gathered information may be reported in one or more minimization of drive tests (MDT) reports. The MDT reports may be sent to the management entity by the UE, small cell eNBs or macro cell eNBs for the management entity to manage deployment of the one or more small cell eNBs. Other examples are described and claimed. | 11-26-2015 |
20150334152 | PRESENCE SERVICE USING IMS BASED DASH SERVICE - Technology for distributing presence information by a presence server in an Internet protocol (IP) multimedia subsystem (IMS) based dynamic adaptive streaming over hypertext transfer protocol (HTTP) (DASH) service is disclosed. In an example, a user equipment (UE) can be operable to act as a presentity and include computer circuitry configured to: Generate a trigger event during a DASH session; and publish presence information including content being consumed to a presence server. The published content can include DASH content. | 11-19-2015 |
20150327275 | SYSTEMS, METHODS AND DEVICES FOR FLEXIBLE RETRANSMISSIONS - A hybrid automatic repeat request (HARQ) process enables a retransmission to be sent on a carrier (or medium, set of frequencies, band, etc.) different from the carrier on which the previous transmissions (initial transmission and/or retransmissions) were sent. An enhanced HARQ process can improve system performance by aiding user throughput, system throughput, and delay performance by making retransmissions possible even when the unlicensed band is not available (e.g., when occupied by other RATs or the same RAT deployed by another operator). For example, a transmitter sends a subpacket in an unlicensed band. The receiver feeds back a NACK to the transmitter due to the packet decoding failure. If the medium is not idle, the transmitter sends the retransmission in another band or another channel that can be either a licensed band/channel or another unlicensed band/channel. The retransmission can be sent in multiple licensed and/or unlicensed bands/channels at the same time. | 11-12-2015 |
20150327201 | SYSTEMS, METHODS, AND DEVICES FOR SYNCHRONIZATION SOURCE SELECTION FOR DEVICE-TO-DEVICE COMMUNICATION - A user equipment (UE) is configured to scan for device-to-device synchronization sources based on scanning configuration information. The UE is configured to report detection of a device-to-device synchronization source to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB) in response to determining that the device-to-device synchronization source meets one or more reporting requirements of the scanning configuration information. The UE is configured to receive a communication from the eNB enabling the UE as a synchronization source and transmit signals to provide a synchronization reference to one or more in-range UEs including the device-to-device synchronization source. | 11-12-2015 |
20150327200 | SIGNALING A SYNCHRONIZATION FRAME TRANSMISSSION REQUEST - Various embodiments of the invention describe a format and procedure for a wireless communication device to request a network controller to transmit a synchronization frame so that the device may synchronize its communication activities with the network controller. This operation may be used in various types of wireless networks, such as but not limited to those conforming to IEEE standard 802.11ah. | 11-12-2015 |
20150327114 | UPDATES TO SUPPORT NETWORK BASED INTERNET PROTOCOL FLOW MOBILITY - Various embodiments may be generally directed to techniques for UE initiated and network initiated IP flow mobility. Various embodiments provide techniques for sharing IP flow routing rules and/or filters between a UE and various network infrastructure components using existing network based protocols or extensions thereto. Various embodiments provide techniques for provisioning network based IP flow mobility triggers and for ensuring UE connections to a 3GPP network are maintained in the absence of any 3GPP network IP flows. | 11-12-2015 |
20150327105 | BLACKLISTING TECHNIQUES FOR DETECTED SET EVENT EVALUATION - Blacklisting techniques for detected set event evaluation are described. In one embodiment, for example, user equipment (UE) may comprise at least one radio frequency (RF) transceiver, at least one RF antenna, and logic, at least a portion of which is in hardware, the logic to receive a measurement control message comprising a remotely-selected event evaluation blacklist (EEB) for a wireless communication frequency, determine whether a local EEB exists for the wireless communication frequency, and in response to a determination that a local EEB exists for the wireless communication frequency, replace the contents of the local EEB with the contents of the remotely-selected EEB. Other embodiments are described and claimed. | 11-12-2015 |
20150327103 | TECHNIQUES TO MANAGE RADIO FREQUENCY CHAINS - Various embodiments may be generally directed to techniques for configuring a secondary RF chain of a mobile device—in particular, a secondary receiver chain—to perform wireless network measurements when the secondary RF chain is not used for data communications. Various embodiments provide for a primary RF chain to provide data communications with a wireless network and for the secondary RF chain to be capable of providing aggregated data communications with the wireless network. Various embodiments provide for the mobile device to determine that the wireless network does not support carrier aggregation and to reconfigure the secondary receiver chain, which would otherwise be left unused or inactive, to perform wireless network measurements. System throughout can be improved in comparison to using the primary RF chain for performing the wireless network measurements. | 11-12-2015 |
20150319674 | METHOD AND APPARATUS FOR BLUETOOTH-BASED GENERAL SERVICE DISCOVERY - The disclosure relates to a method, system and apparatus for extending Bluetooth low energy (BLE) technology to conserve energy in multi-mode wireless devices. In one embodiment, the disclosure relates to a device comprising a first module configured for radio communication at a non-BLE communication mode; a second module to communicate at a BLE communication mode; and a controller for controlling the first and the second communication modules, the controller configured to direct the BLE communication mode to at least one of advertise or scan for information relating to the non-BLE communication mode. | 11-05-2015 |
20150319555 | METHOD AND APPARATUS FOR BLUETOOTH-BASED WI-FI SYNCHRONIZATION - The disclosure relates to a method and apparatus for leveraging Bluetooth (BT) or Bluetooth low energy (BLE) technologies to conserve energy in multi-mode devices. In one embodiment, the disclosure relates to synchronizing a first wireless platform with a second wireless platform by exchanging Wi-Fi synchronization information through BT packets. Each of the first and the second wireless platforms may have integrated Wi-Fi (or other communication modalities) with a BT radio. In one embodiment of the disclosure, the Wi-Fi communication modes are kept at sleep mode while the BT modalities exchange synchronization information. | 11-05-2015 |
20150312930 | SIMULTANEOUS SCHEDULING REQUEST TRANSMISSION IN DUAL CONNECTIVITY - Briefly, in accordance with one or more embodiments, an apparatus may be configured to receive a first scheduling request transmission for a first cell group, and a second scheduling request transmission for a second cell group, determine one of the first scheduling request and the second scheduling request to have a higher priority and another one of the first scheduling request and the second scheduling request to have a lower priority, and process the scheduling request having a higher priority without processing the scheduling request having a lower priority. An apparatus may be configured to combine a configuration of a first scheduling request for a first cell group and a second configuration of a second scheduling request for a secondary cell group in a system radio bearer, and transmit the SRB to a user equipment to process the first scheduling request and the second scheduling request. | 10-29-2015 |
20150312822 | COMMUNICATION VIA DEDICATED NETWORK NODES - Briefly, in accordance with one or more embodiments, methods to establish and control communication of a dedicated device such as a dedicated user equipment (UE) with dedicated nodes of a network are provided. | 10-29-2015 |
20150264699 | SYSTEMS, METHODS AND DEVICES FOR OPPORTUNISTIC NETWORKING - Opportunistic networking systems can utilize one or multiple bands/channels that are shared with other radio access technologies (RATs) (such as wireless local area networks (WLAN, such as Wi-Fi) and mmWave). An unconventional carrier type (UCT) can be defined to support opportunistic networking in licensed and/or unlicensed spectrum. For example, a primary base station can determine a secondary base station activated for use with user equipment (UE). The primary base station can schedule data to be sent to the UE via the secondary base station. The secondary base station can provide discovery information, reserve a wireless channel, transmit the data and/or release the channel (implicitly, explicitly, or by reservation). | 09-17-2015 |
20150264677 | SYSTEMS, METHODS, AND DEVICES FOR DEVICE-TO-DEVICE COMMUNICATION MODE SELECTION - A user equipment (UE) includes a transmission mode component, a selection component, and a transmission component. The transmission mode component is configured to selectively allocate resources for device-to-device communication according to a plurality of transmission modes. The plurality of transmission modes include a first transmission mode in which the resources used by the UE are specifically allocated by one of a base station or relay node and a second transmission mode in which the UE selects the resources from a pool of available resources. The selection component is configured to select a selected transmission mode. The transmission component is configured to transmit signals in frequency resources selected according to the selected transmission mode. | 09-17-2015 |
20150215845 | APPLICATION SPECIFIC CONGESTION CONTROL IN A WIRELESS NETWORK - Application-specific Congestion control for Data Communication (ACDC) may be implemented by limiting, on a per-application or per-application category basis, access to certain Access Point Names (APNs). For example, during network radio congestion, a mobile device, before allowing an application to initiate a data communication channel, may determine the APN associated with the application and whether the APN is currently a permitted or prohibited APN. In another implementation, ACDC may be implemented by limiting access to certain bearer connections. In some implementations, a combination of APN barring and bearer barring may be used. | 07-30-2015 |
20150215840 | SYSTEMS, METHODS AND DEVICES FOR APPLICATION SPECIFIC ROUTING IN DUAL CONNECTIVITY - A wireless service provider can route packets in a dual connectivity wireless system based on application (instead of solely on bearers). For example, an evolved Node B can split a bearer between a master eNB (MeNB) and a secondary wireless connection (such as a secondary eNB (SeNB)). User equipment (UE) can connect to a both a MeNB and a SeNB and split a bearer based on application type. Instead of basing data forwarding on a bearer, packet routing can be based on other attributes (such as IP address, application, application type, etc.). This dual connectivity allows MeNB to schedule data forwarding based on application. Data packets assigned to a bearer can be divided among the MeNB and SeNB based on desirable attributes of the MeNB and SeNB for an application. | 07-30-2015 |
20150139090 | TRANSMIT TIME OFFSET IN UPLINK MULTI-USER MULTIPLE INPUT-MULTIPLE OUTPUT SYSTEM - A method for transmit time offset in a UL-MU-MIMO system monitors respective transmit powers, over a wireless channel, for a plurality of stations in the system. A respective transmit time offset is determined for each station in response to the respective transmit power of each station. A poll exchange sequence is initiated in which the transmit time offsets are transmitted to each respective station. An access point can then receive data from the stations at times adjusted by the respective transmit time offsets. | 05-21-2015 |
20150092553 | SYSTEMS, METHODS AND DEVICES FOR TRAFFIC OFFLOADING - Wireless communication traffic can be offloaded from a user equipment (UE) to two wireless points of access. For example, user equipment (UE) is connected to a radio access network (RAN) using a radio access technology (RAT) such as a long term evolution (LTE) network. The UE can determine which network capabilities are available for traffic offloading and adapt to the capabilities presented. In one embodiment, the UE can determine whether the network supports three different configurations and configure traffic offloading to operate within the network conditions: (1) RAN rules without access network detection and selection function (ANDSF), (2) ANDSF in conjunction with RAN rules or (3) enhanced ANDSF with RAN assistance. | 04-02-2015 |
20150078428 | TECHNIQUES FOR DETERMINING COVARIANCE MEASURES BASED ON CORRELATION CRITERIA - A method includes providing a plurality of sets of equalizer taps, wherein each set is coupled to a respective one of a plurality of antenna ports; assigning a first plurality of equalizer taps of the sets of equalizer taps to a first subset; determining a first covariance measure associated with the first plurality of equalizer taps of the first subset based on a first correlation criterion; assigning a second plurality of equalizer taps of the sets of equalizer taps to a second subset; and determining a second covariance measure associated with the second plurality of equalizer taps of the second subset based on a second correlation criterion. | 03-19-2015 |
20150043439 | COOPERATIVE MULTIPLE BEAM TRANSMISSION - Briefly, in accordance with one or more embodiments, cooperation of multiple beams for transmission is provided by identifying at least two beams among multiple beams that are dominant for a user, determining if there is any beam collision between the at least two beams, and, if there is beam collision between the at least two beams, delaying scheduling on one or more weaker ones of the at least two beams for other users and combining the two or more beams for transmission to the user. Alternatively, cooperation of multiple beams for transmission is provided by, if there is beam collision between the at least two beams, muting one or more weaker ones of the at least two beams and transmitting to the user with a stronger one of the at least two beams. | 02-12-2015 |
20140363026 | COMPLEMENTARY SIGNAL MIXING - A method of performing complementary mixing may include performing an exclusive OR (XOR) function with respect to an I-channel symbol based on an oscillator signal to produce an I-channel output signal with bits that alternate between the I-channel symbol and a complement of the I-channel symbol in response to the oscillator signal rising and falling. The method may also include performing the XOR function with respect to a Q-channel symbol based on the oscillator signal to produce a Q-channel output signal with bits that alternate between the Q-channel symbol and a complement of the Q-channel symbol in response to the oscillator signal. Further, the method may include combining the I-channel output signal and the Q-channel output signal based on adding operations performed with respect to an I-channel extra bit signal, a Q-channel extra bit signal, the I-channel output signal, and the Q-channel output signal to generate a complementary mixed signal. | 12-11-2014 |
20140355701 | SIGNAL DUTY CYCLE REDUCTION - A method may include receiving a positive in-phase (“I”)-channel signal (“I+ signal”), a negative I-channel signal (“I− signal”), a positive quadrature-phase (“Q”)-channel signal (“Q+ signal”), and a negative Q-channel signal (“Q− signal”). The method may further include outputting a truncated I+ signal, a truncated I− signal, a truncated Q+ signal, and a truncated Q− signal. The method may further include generating the truncated I+ signal based on the I+ and Q+ signals and a complement of the truncated Q− signal, generating the truncated I− signal based on the I− and Q− signals and a complement of the truncated Q+ signal, generating the truncated Q+ signal based on the I− and Q+ signals and a complement of the truncated I+ signal, and generating the truncated Q− signal based on the I+ and Q− signals and a complement of the truncated I− signal. | 12-04-2014 |
20140355651 | CALIBRATED TEMPERATURE MEASUREMENT SYSTEM - In accordance with some embodiments of the present disclosure, a calibrated temperature measurement system comprises a resistor, a thermistor, a resistance-to-current converter configured to generate a current signal based on a resistance, and an analog-to-digital converter (ADC) configured to receive a first current signal based on the resistor, convert the first current signal into a first digital signal, receive a second current signal based on the thermistor, and convert the second current signal into a second digital signal. A memory may comprise resistor-characterization information. A calculation stage communicatively coupled to an ADC output may be configured to determine a first digital value based on the first digital signal, determine a second digital value based on the second digital signal, calculate a resistance ratio based on the first digital value and the second digital value, and determine a temperature output value based on the resistance ratio and the resistor-characterization information. | 12-04-2014 |
20140347137 | ADJUSTING TUNING SEGMENTS IN A DIGITALLY-CONTROLLED OSCILLATOR - A circuit may include a digitally-controlled oscillator including a coarse frequency-tuning array with a multiple selectable coarse frequency-tuning segments. Each of the coarse frequency-tuning segments may have a coarse segment frequency step size. The digitally-controlled oscillator may also include a fine frequency-tuning array with multiple selectable fine frequency-tuning segments. The fine frequency-tuning array may have a fine array frequency step size that is at least twice the coarse segment frequency step size. The digitally-controlled oscillator may be configured to generate an output signal with a frequency based on the coarse frequency-tuning array and the fine frequency-tuning array. | 11-27-2014 |
20140347109 | HYBRID PHASE-LOCKED LOOPS - A circuit may include an oscillator configured to generate an output signal based on an analog signal and a digital signal and a controller configured to generate an offset signal based on a comparison of a first analog control signal and a second analog control signal. The circuit may also include a divider configured to generate a feedback signal based on the output signal and the offset signal. The circuit may also include an analog control signal unit configured to generate the second analog control signal based on the feedback signal and a reference signal and a coupling unit configured to select either the first analog control signal or the second analog control signal as the analog signal. | 11-27-2014 |
20140341315 | SIGNAL PEAK-TO-AVERAGE POWER RATIO (PAR) REDUCTION - A method of reducing a peak to average power ratio (PAR) of a signal may include generating an in-band error signal indicating in-band distortion of a compressed signal and generating an out-of-band error signal indicating out-of-band distortion of the compressed signal. The method may further include applying an in-band gain to the in-band error signal to generate an adjusted in-band error signal and applying an out-of-band gain to the out-of-band error signal to generate an adjusted out-of-band error signal. The method may also include combining the compressed signal with the adjusted in-band error signal and the adjusted out-of-band error signal to generate an output signal. The compressed signal may be combined with the adjusted error signals, and the in-band gain and the out-of-band gain may be based on the output signal such that distortion of the output signal is reduced with respect to distortion of the compressed signal. | 11-20-2014 |
20140340131 | REDUCING SETTLING TIME IN PHASE-LOCKED LOOPS - A circuit may include a phase detector configured to generate a phase error signal based on a feedback signal and an oscillator configured to generate an output signal. The feedback signal may be based on the output signal. The circuit may also include a determination unit configured to measure a phase of the feedback signal based on the phase error signal when an output of the phase detector and an input of the oscillator are communicatively decoupled. The circuit may also include an adjustment unit configured to subtract the measured phase of the feedback signal from an intermediate signal upon which the output signal is based when the output of the phase detector and the input of the oscillator are communicatively coupled. | 11-20-2014 |
20140340067 | OUTPUT VOLTAGE VARIATION REDUCTION - A method of reducing voltage variations in a power supply may include generating an intermediate voltage and setting a first-transistor gate voltage at a first-transistor gate of a first transistor of the power supply based on the intermediate voltage. The method may also include setting an output voltage at an output node of the power supply based on a second-transistor gate voltage at a second-transistor gate of a second transistor. Additionally, the method may include setting the second-transistor gate voltage based on the first-transistor gate voltage such that the output voltage is based on the intermediate voltage, a first-transistor threshold voltage of the first transistor, and a second-transistor threshold voltage of the second transistor and such that variations in the first-transistor threshold voltage and the second-transistor threshold voltage at least partially cancel each other out. | 11-20-2014 |
20140198637 | Handling User Plane Congestion - In accordance with some embodiments, when UPCON congestion is detected, service data flows (SDFs) may be adjusted to account for the problem and to avoid denial of service. In accordance with some embodiments, a priority scheme may be implemented in which certain users or certain types of data are given priority and in some cases maximum bit rates (MBRs) may be imposed for either particular users or certain types of data. Once the congestion alleviates, regular service data flows may be again permitted. | 07-17-2014 |
20140167871 | FREQUENCY TUNING AND STEP CONTROL OF A DIGITALLY CONTROLLED OSCILLATOR - A variable leaf capacitor is disclosed. In accordance with some embodiments of the present disclosure, a variable leaf capacitor may comprise a first alternating current coupling capacitor having a first terminal coupled to a first differential node and a second terminal coupled to a first common-mode node, a second alternating current coupling capacitor having a first terminal coupled to a second differential node and a second terminal coupled to a second common-mode node, and a varactor having a bias terminal, a first common-mode terminal coupled to the first common-mode node, and a second common-mode terminal coupled to the second common-mode node, wherein the capacitance of the varactor is based on the voltage from the first common-mode terminal of the varactor to the bias terminal of the varactor and on the voltage from the second common-mode terminal of the varactor to the bias terminal of the varactor. | 06-19-2014 |
20140167867 | Variable Inductor for LC Oscillator - A variable inductor is disclosed. In accordance with some embodiments of the present disclosure, a variable inductor may comprise a single-turn conductor comprising a first inductor terminal, a second inductor terminal, a first base portion extending from the first inductor terminal to a first intersection location, a second base portion extending from the second inductor terminal to a second intersection location, and a switched portion extending from the first intersection location to the second intersection location, and a switch comprising a first conductive terminal coupled to the first intersection location and a second conductive terminal coupled to the second intersection location. | 06-19-2014 |