Patent application number | Description | Published |
20140094185 | SELECTIVE JOINDER OF USER EQUIPMENT WITH WIRELESS CELL - Embodiments are described herein for selective joinder, by a user equipment (“UE”), to a wireless cell of a plurality of wireless cells. In various embodiments, this may include transitioning, by the UE, from an idle mode to a connected mode, and contemporaneously with the transition of the UE from the idle mode to the connected mode, measuring, by the UE, signals of a first plurality of cells. In various embodiments, the UE may identify, from within the first plurality of cells, a second plurality of cells having measured signals that satisfy a channel condition criterion and frequency priorities that satisfy a priority criterion. In various embodiments, the UE may be configured to select and join a cell of the second plurality of cells, randomly or based on respective loads of the second plurality of cells. | 04-03-2014 |
20140177427 | TRUNCATED ZADOFF-CHU SEQUENCE FOR LTE UPLINK REFERENCE SIGNALS - A method to generate truncated Zadoff-Chu sequences is disclosed. A large Zadoff-Chu sequence is generated, based on a maximum transmission bandwidth, then the sequence is truncated based on the actual transmission bandwidth. The Zadoff-Chu sequence is cyclicly extended, as needed, to maintain a quasi-orthogonal characteristic. The result is that there is an increased number of available Zadoff-Chu sequences for distribution in a wireless neighborhood and the rate of interference is reduced. | 06-26-2014 |
20150029955 | SIGNALING MESSAGE SYNCHRONIZATION - Technology for supporting dual connectivity is disclosed. A user equipment (UE) may receive a radio resource control (RRC) reconfiguration message from a macro evolved node B (MeNB). The RRC reconfiguration message may indicate that a secondary cell associated with a secondary eNB (SeNB) is to be added for connection to the UE. The UE may complete an RRC reconfiguration procedure to add the secondary cell. The UE may send a preamble to the SeNB indicating that the UE has completed the RRC reconfiguration procedure. The UE may communicate data with the SeNB after sending the preamble to the SeNB, wherein the UE supports dual connectivity to the MeNB and the SeNB. | 01-29-2015 |
20150087317 | 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. | 03-26-2015 |
20150111581 | MOBILITY INFORMATION REPORTING - Technology for reporting mobility information is disclosed. Mobility information can be identified for the UE when the UE is in idle mode, the mobility information including a visited cell history for the UE when the UE is in idle mode. An evolved node B (eNB) can be notified that the mobility information for the UE is available when the UE transitions from the idle mode to a connected mode. A request can be received from the eNB for the mobility information. The mobility information can be sent to the eNB using a reduced number of bits to represent the mobility information while substantially maintaining a level of accuracy of a mobility state estimation for the UE, wherein the mobility state estimation is performed at the eNB in order to determine an estimated speed of the UE. | 04-23-2015 |
20150215220 | METHOD AND APPARATUS TO ASSIST NETWORK TRAFFIC - Described is a User Equipment (UE) to communicate with an eNB on an LTE network, the UE comprising: EPS bearers, at least one of which is configured with a TFT, wherein the TFT includes one or more packet filters; a transmitter to transmit traffic over the LTE network to the eNB, the traffic having packets; and logic to configure the one or more packet filters for uplink transmission with an indicator, wherein the indicator to identify whether the packets in the traffic are attended. Described is a Public Data Network Gateway (PGW) comprising: logic to associate a packet filter of an uplink traffic flow with a packet filter in a downlink traffic flow; and logic to label packets for downlink traffic as attended or unattended in the downlink traffic flow when the associated packet filter of the uplink traffic flow is identified as attended or unattended, respectively. | 07-30-2015 |
20150215827 | PACKET DATA CONVERGENCE PROTOCOL (PDCP) ENHANCEMENTS IN DUAL-CONNECTIVITY NETWORKS - In embodiments, apparatuses, methods, and storage media may be described for identifying, by a master evolved NodeB (MeNB), one or more packet data convergence protocol (PDCP) packets that were previously scheduled to be transmitted to a user equipment (UE) by a secondary eNB (SeNB). The PDCP packets that are identified by the MeNB may then be transmitted, or retransmitted, to the UE. Additionally, embodiments may include apparatuses, methods, and storage media for allowing the UE to identify one or more parameters related to a PDCP reordering process to be performed by the UE. Other embodiments may be claimed. | 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 |
20150237547 | ASSISTANCE INFORMATION FOR EVOLVED NODE B (eNB) PARAMETER TUNING - Technology for providing core network assistance information from a mobility management entity (MME) in an evolved packet core (EPC) is disclosed. An average radio resource control (RRC) connected state time for a UE is determined. An average RRC idle state time for the UE is also determined. An amount of time that the UE spends in cells of the EPC is identified to determine a number of handover procedures between cells in a selected time period. The core network assistance information communicated to a serving eNB of the UE to enable the serving eNB to reduce UE state transitions for the UE. | 08-20-2015 |
20150245235 | MEASUREMENT GAP PATTERNS - Technology for configuring measurement gap patterns is disclosed. An evolved node B (eNB) can generate multiple measurement gap patterns for a user equipment (UE), wherein each measurement gap pattern indicates at least one set of consecutive subframes within a defined time period during which the UE is to perform inter-frequency measurements for a selected cell. The eNB can configure the multiple measurement gap patterns from the eNB to the UE, the UE being configured to perform the inter-frequency measurements for selected cells within a group of cells according to the multiple measurement gap patterns. | 08-27-2015 |
20150271708 | USE OF AN OMA MANAGEMENT OBJECT TO SUPPORT APPLICATION-SPECIFIC CONGESTION CONTROL IN MOBILE NETWORKS - Technology for using an open mobile alliance (OMA) management object (MO) for congestion control in mobile networks is described. A novel type of OMA MO for application specific access control (ASAC) can include internet protocol (IP) flow descriptions that can be used to characterize applications with fine granularity. Priorities can be assigned to IP flows based on the IP flow descriptions. A user equipment (UE) can receive such an OMA MO and also receive application-barring information regarding a congestion level in a mobile network with which an application at the UE wishes to connect. The UE can have a connectivity manager (CM) that determines whether to allow the application to establish a connection with the mobile network based on the priority level of the application's associated IP flow and the application-barring information. | 09-24-2015 |
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 |
20150327104 | SYSTEMS, METHODS, AND DEVICES FOR CONFIGURING MEASUREMENT GAPS FOR DUAL CONNECTIVITY - Systems and methods for configuring measurement gaps for dual connectivity are disclosed herein. User equipment (UE) may be configured to communicatively couple to a plurality of Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node Bs (eNBs). For example, the UE may include a plurality of transceivers, and each transceiver may be coupled to a different cell group. A measurement gap may need to be configured for each transceiver. However, the transceivers may interfere with each other's measurement gaps. In an embodiment, a duration of a measurement gap may be increased over a default value to reduce the number of interruptions per measurement gap. Alternatively, or in addition, measurement gaps may begin and/or end at the same. The measurement gaps may have a same repetition period and be aligned each period. Or, the measurement gaps may have different repetition periods and may or may not align periodically. | 11-12-2015 |
20150327133 | SYSTEMS, METHODS, AND DEVICES FOR CELL SELECTION BASED ON PRIORITIZED NODES - Systems and methods for cell selection and/or reselection based on prioritize nodes are disclosed herein. User equipment (UE) may be configured to determine whether to select and/or reselect an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB). The eNB may be a dedicated eNB and/or may be communicatively coupled to a dedicated core network (CN). The dedicated eNB and/or the dedicated CN may be configured to optimize performance for UEs sharing particular characteristics. Accordingly, the selection and/or reselection criteria may be biased to encourage the UE to select and/or reselect towards a dedicated eNB and/or an eNB coupled to a dedicated CN. The eNB and/or CN may be dedicated to supporting particular types of UEs, types of nodes, types of traffic, types of subscriptions, UE mobilities, applications/services, other predetermined categories, and/or the like. | 11-12-2015 |
20150327286 | SYSTEMS, METHODS, AND DEVICES FOR PRIORITIZING INTER-FREQUENCY MEASUREMENTS - Systems and methods for prioritizing inter-frequency measurement are disclosed herein. User equipment (UE) may be configured to communicatively couple to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB). The eNB may determine a priority for performing each of a plurality of inter-frequency measurement. The eNB may indicate the priority of each measurement to the UE. The eNB may transmit lists of higher priority and lower priority measurement objects. The lists may be separate and/or concatenated. Alternatively, or in addition, each measurement object may include a priority indicator, or the priority may be determined from the type of measurement object. In some embodiments, the eNB may provide indications of normal priority and low priority measurement objects and/or indications of normal priority and high priority measurement objects. The UE may perform measurements according to the indicated priorities. | 11-12-2015 |
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 |
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 |
Patent application number | Description | Published |
20130196664 | USER EQUIPMENT AND METHOD FOR ADAPTIVE SELECTION OF HANDOVER PARAMETERS IN WIRELESS-ACCESS NETWORKS - Embodiments of user equipment (UE) and method for adaptively selecting an A3offset-TTT pair for handover in a wireless access network are generally described herein. In some embodiments, the UE may select an A3offset value based on target cell Reference Signal Received Power (RSRP) and select a time-to-trigger (TTT) based on serving cell RSRP. A measurement report may be transmitted to an eNodeB for handover when the target cell RSRP exceeds the serving cell RSRP by at least the A3offset value for the TTT. The A3offset value may be selected to be inversely related to the target cell RSRP and the TTT may be selected to be directly related to the serving cell RSRP. | 08-01-2013 |
20130303231 | USER EQUIPMENT AND METHODS FOR HANDOVER ENHANCEMENT USING REFERENCE SIGNAL RECEIVED QUALITY (RSRQ) - Embodiments of user equipment (UE) and method for handover enhancement using reference signal received quality (RSRQ) in a wireless network are generally described herein. In some embodiments, a UE adaptively selects handover initiation parameters based, at least in part, on a velocity of the UE. The UE may determine an RSRQ of a serving cell and an RSRQ of a target cell and may transmit a measurement report to a serving eNB for handover from the serving cell to the target cell when the target cell RSRQ exceeds the serving cell RSRQ in accordance with the selected handover initiation parameters. In some of these embodiments, the handover initiation parameters may include an offset value, such as an A3offset value, and a time-to-trigger (TTT) that comprise an A3offset-TTT pair. | 11-14-2013 |
20140198767 | SYSTEMS AND METHODS FOR MOBILITY OPTIMIZATION IN A HETEROGENEOUS NETWORK - Methods, systems, and devices for mobility optimization in a heterogeneous network are disclosed herein. A base station includes an anchor module, a context information module, and a transmission point module. The anchor module configures the base station as a virtual anchor cell for a plurality of small cells. The context information module is configured to maintain context information for user equipment (UE). The context information for the UE is maintained by the context information module while any small cell of the plurality of small cells is configured as a TP for the UE. The transmission point (TP) change module is configured to send at least a portion of the context information to a small cell configured as the TP for the UE. | 07-17-2014 |
20140302851 | USER EQUIPMENT AND METHODS FOR HANDOVER ENHANCEMENT USING SCALED TIME-TO-TRIGGER AND TIME-OF-STAY - Embodiments of user equipment (UE) and method for handover enhancement using a scaled time-to-trigger (TTT) and a time-of-stay are generally described herein. In some embodiments, the TTT is scaled based on at least one of a measured reference signal received quality (RSRQ) value of a serving cell and a time-of-stay in the serving cell. | 10-09-2014 |
20140362829 | EPS BEARER SPLITTING FOR DUAL CONNECTIVITY DEVICES - A User Equipment (UE) may be connected to multiple Enhanced Node Bs (eNBs). The multiple connection allows a UE to have an EPS bearer with multiple bearer paths, one routed through each of the eNBs. One eNB may implement a decision module to switch the bearer path to route incoming packets along a selected bearer path in order to achieve objectives such as maintaining Quality of Service (QoS) for the EPS bearer and/or maximizing overall network throughput. The eNB may gather information and metrics influencing these objectives from the other eNB and UE in order to make better bearer path decisions. The split bearer allows the UE to implement reduced protocol layers and reconfigure the protocol layers to match the bearer path selected by the eNB. | 12-11-2014 |
20150078335 | USER EQUIPMENT AND METHODS FOR FAST HANDOVER FAILURE RECOVERY IN 3GPP LTE NETWORK - Embodiments of User Equipment (UE) and methods for fast handover failure recovery in a 3GPP LTE network are generally described herein. In some embodiments, the UE may initiate handover (HO) failure recovery by transmission of a random-access channel (RACH) 2 message when both a radio-link failure (RLF) timer and a time-to trigger (TTT) timer are concurrently running. The RACH 2 message may be a message transmitted on a random-access channel for radio-resource control (RRC) connection re-establishment. The RLF timer may be activated as part of a radio-link monitoring (RLM) process based on radio-link conditions with a serving cell, and the TTT timer may have been activated as part of a HO process based on a measurement reporting event. | 03-19-2015 |
20150181492 | BASE STATION AND METHOD FOR EARLY HANDOVER USING UPLINK CHANNEL CHARACTERISTICS - Embodiments of a base station and method for early handover using uplink channel characteristics in a wireless network are generally described herein. In some embodiments, a method for handover determination is performed by an enhanced node B (eNB) operating as a serving cell base station. In these embodiments, a handover decision is based on a signal level of unlink transmissions of user equipment (UE) measured at a target cell base station in addition to signal levels of downlink signals of the target cell base station and downlink signals of a serving cell base station measured at the UE. | 06-25-2015 |
20150195750 | USER EQUIPMENT, PORT CONTROL PROTOCOL SERVER, AND METHODS FOR SIGNALING DEVICE AND APPLICATION FEEDBACK - Embodiments of User Equipment (UE) and methods to support reception of content for use by an application supported by a Port Control Protocol (PCP) client are disclosed herein. The UE may receive, from a PCP server, a first portion of video content for use by the application during a first time period. The UE may send a PCP update message that includes one or more mobility status parameters. The UE may receive a second portion of the video content for use by the application during a second time period. The first and second portions of the video content may be received from a first and a second mobility anchor, which may operate as relays for the PCP server. The second mobility anchor may be determined based on a referred IP prefix included in the PCP date message. | 07-09-2015 |
20150215803 | SYSTEMS, METHODS, AND DEVICES FOR IMPROVED INTER-FREQUENCY MEASUREMENT - Systems and methods for improved inter-frequency measurement are disclosed herein. User equipment (UE) may be configured to communicatively couple to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB). The eNB may determine a measurement pattern indicating when the UE should perform inter-frequency measurements. The measurement pattern may be selected such that the UE performs measurements more often than once per measurement cycle. The measurement pattern may be selected to balance timing requirements for the UE with increased power consumption that may result from more frequent measurements. The eNB may determine the measurement pattern based on an estimate of UE speed and a number of frequencies to be monitored. A default pattern may be used if the UE speed and/or number of frequencies do not exceed predetermined thresholds. | 07-30-2015 |
20150215837 | MEASUREMENT GAP REPETITION PATTERNS FOR INTER-FREQUENCY OFFLOADING IN HETEROGENEOUS WIRELESS NETWORKS - An embodiment for user equipment that receives a plurality of measurement gap repetition patterns from a network. Each measurement gap repetition pattern may be assigned to a different frequency of the network. The plurality of measurement gap repetition patterns may include skipping measurement patterns. Further embodiments may include the user equipment receiving a repetition period in a measurement object frame or receiving a plurality of measurement gap repetition patterns in which the measurement gaps are non-colliding with measurement gaps of other repetition patterns assigned to the user equipment. | 07-30-2015 |
20150223050 | RSRP MOBILITY STATE ESTIMATION FOR CELLULAR DEVICE - Generally discussed herein are systems and apparatuses that can implement a Mobility State Estimation (MSE) of a User Equipment (UE) and techniques for using the MSE algorithms. According to an example technique to determine the MSE of a UE can include determining, using the UE, a maximum Reference Signal Received Power (RSRP) within a cell, determining, using the UE, a minimum RSRP within the cell, determining, using the UE, a difference between the maximum and minimum RSRP, and determining, using the UE, an MSE of the UE as a function of the determined difference. | 08-06-2015 |
20150245221 | PCI PARTITION AND ALLOCATION FOR CELLULAR NETWORK - Generally discussed herein are systems and apparatuses that can implement Physical Cell Identity assignments that reduce collision or confusion of small cell identities at User Equipment and techniques for using the same. According to an example apparatus a device can be configured to estimate a location of the small cell eNodeB based on at least one of Global Positioning System (GPS) coordinates of the location of the small cell eNodeB and an RSRP measured at the small cell eNodeB, determine if the location of the small cell eNodeB is within a first region or a second region of a large cell transmission area, wherein the first and second regions do not overlap, and in response to determining which region the small cell eNodeB is deployed in, assign a PCI code from a respective group of available PCI codes to the small cell eNodeB. | 08-27-2015 |
20150271087 | EVOLVED NODE-B AND MOBILITY MANAGEMENT ENTITY AND USER EQUIPMENT AND METHODS FOR SUPPORTING ATTENDED AND UNATTENDED SERVICES - Embodiments of an Evolved Node-B (eNB) to support packet-switched (PS) services according to EPS bearers are disclosed herein. The eNB may receive an EPS bearer setup message from an MME for an establishment of an EPS bearer for a PS service between a User Equipment (UE) and a PGW. The EPS bearer setup message may include an attention indicator for the PS service that indicates whether traffic for the PS service is attended or unattended at the UE. The eNB may further transmit traffic packets to and receive traffic packets from the UE | 09-24-2015 |
20150312818 | USER EQUIPMENT AND METHODS FOR HANDOVER USING MEASUREMENT REPORTING BASED ON MULTIPLE EVENTS - Embodiments of a User Equipment (UE) to support inter-frequency handover are disclosed herein. The UE may receive, from an Evolved Node-B (eNB), a measurement report configuration message that includes multiple measurement events to be determined at the UE. The UE may transmit a measurement report when a combined measurement event occurs. The combined measurement event may include a combination of the multiple measurement events according to a “logical AND” operator such that the combined measurement event occurs when the multiple measurement events occur. The measurement events may be related to signal measurements performed on one or more signals received at the UE from one or more cells configured for operation in the network. | 10-29-2015 |
20150312826 | LOAD BALANCING IN A WIRELESS CELLULAR NETWORK BASED ON USER EQUIPMENT MOBILITY - Embodiments of the present disclosure describe systems, devices, and methods for load balancing in a wireless communication network based on user equipment (UE) mobility. In embodiments, a UE may receive a plurality of cell reselection priority configurations designated for different levels of UE mobility. The UE may determine its mobility and select one of the cell reselection priority configurations based on the determined mobility. The UE may establish a radio resource control (RRC) connection, such as an RRC idle mode connection, on a carrier frequency and/or cell based on the selected cell reselection priority configuration. Other embodiments may be described or claimed. | 10-29-2015 |
20150327142 | APPARATUS, COMPUTER-READABLE MEDIUM, AND METHOD TO SUPPORT LOW COMPLEXITY USER EQUIPMENT - Apparatus, computer-readable medium, and method to support low complexity user equipment are disclosed. A wireless communication device including circuitry is disclosed. The circuitry may be configured to determine support of a target evolved nodeB (eNB) for a low complexity user equipment (LC-UE), and handover the LC-UE to the target eNB if the support of the target eNB indicates the target eNB supports LC-UE. The wireless communication device may be a long term evolution (LTE) wireless communication device. The wireless communication device may be one of the following a source eNB, a core network entity, a LC-UE, a source radio network controller (RNC), a base station, a source base service set (BSS). The circuitry may be configured to determine support of the target eNB for the LC-UE based on a configuration or information from the target eNB. | 11-12-2015 |
20150327322 | SYSTEMS, DEVICES, AND METHODS FOR ALIGNMENT PROCEDURES IN DUAL-CONNECTIVITY NETWORKS - Embodiments of the present disclosure describe systems, devices, and methods for alignment procedures in dual-connectivity networks. Various embodiments may include determining system frame number and subframe number differences, and aligning discontinuous reception (DRX) or measurement gaps of a secondary cell group with a master cell group. Other embodiments may be described or claimed. | 11-12-2015 |
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 |
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 |
20160029234 | RADIO LINK MONITORING FOR EPDCCH - Generally discussed herein are systems and methods that include Radio Link Monitoring (RLM) on an Enhanced Physical Downlink Control Channel (EPDCCH) transmission within a Heterogeneous Network (HetNet). RLM can be done without regard to a Physical Downlink Control Channel (PDCCH) quality level. A User Equipment (UE) can be configured to receive the EPDCCH transmission from an Enhanced Node B (eNodeB). A quality level of the EPDCCH transmission can be estimated based upon a BLock Error Rate (BLER) of the EPDCCH transmission. If the quality level is lower than a first threshold value for a first specified number of consecutive periods, a timer can be started. In response to determining the quality level is greater than a second threshold for a second specified number of consecutive periods stop the timer before the timer expires. If the timer is stopped before the timer expires, declare a Radio Link Failure (RLF). | 01-28-2016 |
20160044539 | LOAD BALANCING SCHEMES FOR IDLE MODE USER EQUIPMENT - A user equipment device (UE) comprises physical layer circuitry configured to transmit and receive radio frequency electrical signals with one or more nodes of a radio access network; and processing circuitry. The processing circuitry is configured to receive system information via the network, wherein the system information indicates cell specific priority and frequency priority; identify candidate cells that have a cell specific priority that is higher than a cell priority of the current serving cell, have a frequency priority that is higher than a frequency priority of a current serving frequency, and satisfy a cell suitability criterion; and determine a candidate cell from the identified candidate cells to replace the current serving cell for communicating with the network. | 02-11-2016 |
20160050706 | DUAL CONNECTIVITY FOR TERMINALS SUPPORTING ONE UPLINK CARRIER - Techniques for enabling dual-connectivity in LTE systems for terminals with only single uplink component carrier capability are described. Dual connectivity refers to a terminal having serving cells from two base stations. In one technique, the terminal transmits to macro and small cells using time division multiplexing. In another, the terminal transmits to one cell only, either the macro cell or the small cell. | 02-18-2016 |
20160066243 | USER EQUIPMENT AND METHODS FOR HANDOVER ENHANCEMENT USING SCALED TIME-TO-TRIGGER AND TIME-OF-STAY - Embodiments of user equipment (UE) and method for handover enhancement using a scaled time-to-trigger (TTT) and a time-of-stay are generally described herein. In some embodiments, the TTT is scaled based on at least one of a measured reference signal received quality (RSRQ) value of a serving cell and a time-of-stay in the serving cell. | 03-03-2016 |
Patent application number | Description | Published |
20120146108 | CHIP PACKAGE AND METHOD FOR FORMING THE SAME - An embodiment of the invention provides a chip package which includes: a semiconductor substrate having a first surface and an opposite second surface; a drain region located in the semiconductor substrate; a source region located in the semiconductor substrate; a gate located on the semiconductor substrate or at least partially buried in the semiconductor substrate, wherein a gate dielectric layer is between the gate and the semiconductor substrate; a drain conducting structure disposed on the first surface of the semiconductor substrate and electrically connected to the drain region; a source conducting structure disposed on the second surface of the semiconductor substrate and electrically connected to the source region; and a gate conducting structure disposed on the first surface of the semiconductor substrate and electrically connected to the gate. | 06-14-2012 |
20120146111 | CHIP PACKAGE AND MANUFACTURING METHOD THEREOF - An embodiment of the invention provides a chip package including a semiconductor substrate, a drain electrode, a source electrode and a gate electrode. The semiconductor substrate has a first surface and an opposite second surface wherein the second surface has a recess. The drain electrode is disposed on the first surface and covers the recess. The source electrode is disposed on the second surface in a position corresponding to the drain electrode covering the recess. The gate electrode is disposed on the second surface. An embodiment of the invention further provides a manufacturing method of a chip package. | 06-14-2012 |
20120146153 | CHIP PACKAGE AND METHOD FOR FORMING THE SAME - A chip package includes: a substrate; a drain and a source regions located in the substrate; a gate located on or buried in the substrate; a drain conducting structure, a source conducting structure, and a gate conducting structure, disposed on the substrate and electrically connected to the drain region, the source region, and the gate, respectively; a second substrate disposed beside the substrate; a second drain and a second source region located in the second substrate, wherein the second drain region is electrically connected to the source region; a second gate located on or buried in the second substrate; and a second source and a second gate conducting structure disposed on the second substrate and electrically connected to the second source region and the second gate, respectively, wherein terminal points of the drain, the source, the gate, the second source, and the second gate conducting structures are substantially coplanar. | 06-14-2012 |
20120194148 | POWER MODULE AND THE METHOD OF PACKAGING THE SAME - A power module includes a substrate; a conductive path layer formed on the substrate with a specific pattern as an inductor; a connection layer being formed on the substrate and electrically connected to a first terminal of the inductor; and a first transistor, electrically mounted on the substrate through the connection layer. | 08-02-2012 |
20120194301 | CAPACITIVE COUPLER PACKAGING STRUCTURE - Embodiments of the present invention provide a capacitive coupler packaging structure including a substrate with at least one capacitor and a receiver formed thereon, wherein the at least one capacitor at least includes a first electrode layer, a second electrode layer and a capacitor dielectric layer therebetween, and the first electrode layer is electrically connected to the receiver via a solder ball. The capacitive coupler packaging structure also includes a transmitter electrically connecting to the capacitor. | 08-02-2012 |
Patent application number | Description | Published |
20110183623 | Methods For Reducing Interference In A Communication System - Example embodiments are directed to methods of reducing interference in a communication system. In at least one example embodiment, a method includes first determining, by a first transmitter having a multi-directional antenna configured to produce a plurality of beams, at least one interference level of at least one interfering beam of a plurality of beams of at least one transmitter in the communication system, second determining a transmitting beam pattern based on the interference level, the transmitting beam pattern indicating a sequence of illuminating the plurality of beams at corresponding time slots, third determining a fractional frequency reuse pattern based on the transmitting beam pattern, and transmitting data based on the transmitting beam pattern and the frequency reuse pattern. | 07-28-2011 |
20110223867 | Methods for reducing interference in communication systems - Example embodiments are directed to methods of reducing interference in a communication system. A method includes receiving, by a transmitter, first and second quantized matrices from a mobile station. The first and second quantized matrices are based on an estimated channel matrix and an estimated interference matrix. The method further includes determining, by the transmitter, a transmission beamforming vector based on the first and second quantized values. | 09-15-2011 |
20120034874 | APPARATUSES AND/OR METHODS OF INTERFERENCE MITIGATION AND/OR RATE IMPROVEMENT VIA UNCOORDINATED BEAMFORMING IN HETEROGENEOUS NETWORKS - A method of selecting beamforming vectors for a first transmitter and a first receiver communicating via a first communication link to reduce interference at a second transmitter and a second receiver communicating via a second communication link includes estimating a transmission null space for the second transmitter with respect to the first receiver and estimating a reception null space for the second receiver with respect to the first transmitter. The method further includes determining a first transmission beamforming vector for the first transmitter that falls within the estimated reception null space, and determining a first reception beamforming vector for the first receiver that falls within the estimated transmission null space. | 02-09-2012 |
20130225216 | METHOD & APPARATUS FOR WIRELESS SYSTEM CONTROL - An example system includes a plurality of wireless communication elements and a controller. The plurality of wireless communication elements are configured to provide wireless service to a geographic area of interest, each wireless communication element comprising at least an antenna port or at least one antenna. The controller is configured to control the wireless communication elements, wherein the controller is configured to determine respective ones of the wireless communication elements that are to be activated or not activated. | 08-29-2013 |
20130331136 | Method And Apparatus For Coordinated Beamforming - Various methods and devices are provided to improve wireless communications. In one method, a need for additional wireless service in a target area is detected ( | 12-12-2013 |
20140329485 | Method And Apparatus For Beamforming - An example method of tactical communication is provided. The method includes receiving information indicating a tactical situation associated with a target area. The tactical situation is one of a missile in-flight, an eavesdropper, a signal jammer, and a transceiver located in a zone of interest. The method further includes performing a beamforming process including instructing transmission of a plurality of signaling beams from one or more transmitters toward the target area. The tactical situation may be associated with a foe and the plurality of signaling beams generate interference inhibiting communication with by the foe. The tactical situation may be associated with a friend and the plurality of signaling beams generate decodable signal for enhancing communication with the friend. | 11-06-2014 |