Patent application number | Description | Published |
20110302025 | Conversion Path Performance Measures And Reports - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated. | 12-08-2011 |
20110307322 | Conversion Path Performance Measures And Reports - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated. | 12-15-2011 |
20110307324 | Conversion Path Performance Measures And Reports - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated. | 12-15-2011 |
20110307325 | Conversion Path Performance Measures And Reports - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated. | 12-15-2011 |
20110307326 | Conversion Path Performance Measures And Reports - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated. | 12-15-2011 |
20110307509 | Conversion Path Performance Measures And Reports - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated. | 12-15-2011 |
20110307515 | Conversion Path Performance Measures And Reports - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing conversion path performance measures and reports. In one aspect, user interaction data are obtained, were the user interaction data specify user interactions for a plurality of conversions. User interactions that are associated with each conversion are selected from the user interaction data, where the associated user interactions for each conversion are user interactions with a converting user during the conversion cycle for the conversion. Using the user interaction data for the selected user interactions, a quantity of user interactions that are associated with each conversion and occurred during the conversion cycle for the conversion are determined. In turn, conversion path performance measures are computed and reports specifying the conversion path performance measures are generated. | 12-15-2011 |
20120265755 | Authentication of a Contributor of Online Content - Methods, computer program products and systems are described for online-content management. Online content from multiple contributors is received at one or more first computers for public online display. An authentication score is determined for a contributor of the multiple contributors. The contributor's name and a representation of the contributor's authentication score is published online for display on one or more second computers in association with the online content received from the contributor. | 10-18-2012 |
20150193811 | SYSTEM AND METHOD FOR ESTIMATING POTENTIAL UNIQUE ONLINE USERS AN ADVERTISEMENT CAN REACH - Methods, systems, and computer programs encoded on a computer storage medium include receiving, from an advertiser, advertisement criteria associated with an advertisement, the advertisement criteria comprising a first set of criteria and a budget and/or a bid, the advertisement criteria to be used in advertisement auctions for which the advertisement is to be considered for display to users performing online actions; determining a number of users for whom the advertisement was a candidate to be shown based on the first set of criteria associated with the advertisement, but to whom the advertisement was not shown based on the budget and/or bid of the advertisement during a particular period of time; and providing, in a report, information relating to the number of users. | 07-09-2015 |
Patent application number | Description | Published |
20120082198 | METHOD AND APPARATUS FOR OBTAINING CHANNEL STATE INFORMATION REQUIRED FOR BEAMFORMING - The present invention provides a method for obtaining channel state information required for beamforming, comprising: estimating current channel state information according to a received signal; predicting future channel state information which is expected to be used by a transmitter in the next beamforming based on the current channel state information and historical channel state information; reading previous channel state information used by the transmitter in the current beamforming; determining feedback information based on the future channel state information and the previous channel state information; and sending the feedback information to the transmitter. The present invention further provides a method for performing beamforming, comprising: receiving feedback information from a receiver; reading previous channel state information used in the last beamforming; reconstructing channel state information based on the feedback information and the previous channel state information; and performing beamforming according to the reconstructed channel state information. | 04-05-2012 |
20120106474 | BEAMFORMING TRAINING METHODS, APPARATUSES AND SYSTEM FOR A WIRELESS COMMUNICATION SYSTEM - The present invention provides methods and apparatuses for beamforming training at a service and control point and a user station, and a system for beamforming training for a wireless communication system. According to the present invention, a method for beamforming training at a service and control point may comprise: transmitting training sequences to multiple user stations by using switched transmit antenna weight vectors; determining optimum transmit antenna weight vectors of the service and control point based on channel information that is fed back from each user station of the multiple user stations and related to channel condition of own link and cross links of the each user station. According to the present invention, there is provided a spatial-reuse based simultaneous beamforming training technology, which may satisfy the demands of a dense-user application; moreover, has a high spectrum efficiency and saves beamforming training time. | 05-03-2012 |
20120195399 | APPARATUS, METHOD AND RECEIVING TERMINAL FOR LDPC DECODING - An apparatus and a method for Low-density parity-check (LDPC) decoding are provided. The apparatus for LDPC decoding comprises a post effective noise variance estimation unit for estimating a post effective noise variance based on a preamble in a received signal, an LLR calculation unit for calculating an LLR based on the estimated post effective noise variance, and a decoding unit for performing LDPC decoding based on the calculated LLR. The post effective noise variance estimation unit comprises a channel frequency response estimation unit for estimating a channel frequency response based on the preamble in the received signal, a noise variance estimation unit for estimating a noise variance based on the preamble in the received signal, and a post effective noise variance calculation unit for calculating the post effective noise variance based on the channel frequency response and the noise variance. | 08-02-2012 |
20130058361 | SIGNAL FOR TRANSMISSION IN SINGLE-CARRIER COMMUNICATION SYSTEM - An apparatus and method for generating a signal for transmission in a single-carrier communication system are disclosed. The apparatus comprises a reference signal inserter, which multiplexes data symbols with reference signal symbols in time domain to form a plurality of symbol blocks as the signal for transmission, wherein the plurality of symbol blocks include symbol blocks of a first type and symbol blocks of a second type, wherein each of the symbol blocks of the first type includes only data symbols, and wherein each of the symbol blocks of the second type includes both data symbols and reference signal symbols. | 03-07-2013 |
20130083865 | WIRELESS COMMUNICATION SYSTEM AND BEAMFORMING TRAINING METHOD FOR WIRELESS COMMUNICATION SYSTEM - The invention provides a wireless communication system and a beamforming training method for a wireless communication system. A wireless communication system comprising: a plurality of transmitting stations each including a transmit antenna array, the plurality of transmitting stations transmitting training sequences via the respective transmit antenna arrays in the same period of time; and a plurality of receiving stations corresponding to the plurality of transmitting stations respectively and each including a receive antenna array, each of the plurality of receiving stations receiving the respective training sequences transmitted by the plurality of transmitting stations via the respective receive antenna array and acquiring channel information regarding channel conditions of the respective links between the receiving station and the respective ones of the plurality of transmitting stations, the channel information being used to determine at least one of optimized transmit antenna weight vectors of the transmit antenna arrays of the plurality of transmitting stations and optimized receive antenna weight vectors of the receive antenna arrays of the plurality of receiving stations. | 04-04-2013 |
20130089163 | DEVICE AND METHOD FOR GENERATING PILOT SEQUENCE - A device for generating a pilot sequence is provided. The device includes: a mapping information determining unit configured to determine periodic mapping information of the pilot sequence on subcarriers; and a pilot sequence generating unit configured to generate the pilot sequence by calculating phase information of the pilot sequence to be generated based on the periodic mapping information. A method and a device for estimating channel information are also provided. | 04-11-2013 |
20130142091 | METHOD AND APPARATUS FOR SCHEDULING DOWNLINK TRANSMISSION - The present invention relates to method and apparatus for scheduling downlink transmission. According to an embodiment of the present invention, a method for scheduling downlink transmission in a wireless communication system is provided. The method comprises: scheduling, in a channel measurement sub-frame, user equipments in a cell according to feedback information that was most recently received from the user equipments, wherein in the channel measurement sub-frame, the user equipments calculate feedback information to be reported; and scheduling, in response to receipt of the feedback information, the user equipments based on a result of scheduling corresponding to the channel measurement sub-frame. According to an embodiment of the present invention, there is also provided a scheduling apparatus, base station device and corresponding computer program product. | 06-06-2013 |
20130235835 | METHOD AND APPARATUS OF PERFORMING OUTER LOOP LINK ADAPTATION OPERATION - The present invention discloses a method and apparatus of performing outer loop link adaptation (OLLA) operation. This method may comprise: accelerating in an initial probing phase, increase of an OLLA scaling factor until obtaining a negative result regarding codeword selection; and fine modifying, in a fine modification phase, the scaling factor using an upturn factor and a downturn factor in response to the result regarding codeword selection so that a channel quality indication, which is modified using the scaling factor, is matched with its actual value. Compared with the prior art, the technical solution as provided in the present invention can quickly modify a CQI to match its actual value, thus this solution may effectively mitigate the CQI mismatch, improve the CQI feedback accuracy, and further enhance the cell throughput performance and frequency utilization. | 09-12-2013 |
20130242920 | METHOD AND APPARATUS FOR ENHANCING DOWNLINK HARQ - Embodiments of the invention provide a method for enhancing downlink HARQ. The method may comprise steps of: responsive to that a packet is unsuccessfully received, estimating a required channel quality for next retransmission of the packet; selecting a target subset of base stations from a cooperation set of base stations based on the required channel quality; and sending an indication of the target subset of base stations to a central unit. | 09-19-2013 |
20130259024 | METHOD AND APPARATUS FOR PRIMARY SYNCHRONIZATION SIGNAL DETECTION - The present invention discloses a method and an apparatus for primary synchronization signal (PSS) detection. The method may comprise: performing a central-symmetrical preprocess on a receive vector by exploiting a central symmetry of the primary synchronization signal; and performing, based on the central-symmetrical preprocess, a non-coherent detection on the receive vector using local primary synchronization signals so as to detect the primary synchronization signal. The computation complexity in PSS detection may be significantly reduced by performing preprocess to the receive vector based on the central symmetry of the primary synchronization signal, thereby considerably enhancing the speed and performance of PSS search and further improving the cell search efficiency. | 10-03-2013 |
20130265960 | METHOD AND APPARATUS FOR MODIFYING CHANNEL QUALITY INDICATION - The present invention discloses a method and an apparatus for modifying a channel quality indication (CQI). This method may comprise: calculating a scaling factor for the channel quality indication based on uplink channel information and an antenna virtualization pre-coding scheme; and modifying the channel quality indication reported by user equipment by using the scaling factor. According to the technical solutions of the present invention, the antenna virtualization factor is considered in performing CQI modification and. Thus, this solution can overcome the problem of CQI mismatch, enhance the completeness and accuracy of CQI feedback, and improve the cell throughput performance and frequency utilization. | 10-10-2013 |
20130272438 | METHOD, TRANSMITTER AND RECEIVER FOR BEAMFORMING - Embodiments of the invention provide a method for beamforming based on Grassmannian predictive coding (GPC) in a MIMO system. The method may comprise steps of: estimating present channel direction information (CDI) according to a received signal; predicting future CDI based on the present CDI and at least one of previous CDIs; predicting future codebook based on present codebook and at least one of previous codebooks; selecting a codeword from the future codebook based on the future CSI; and feeding back an index of the selected codeword to the transmitter. | 10-17-2013 |
20130322396 | METHOD AND APPARATUS FOR COORDINATING INTERFERENCE ON USER EQUIPMENT - Embodiments of the disclosure provide a method an apparatus for coordinating interference on a user equipment, the user equipment being served by a serving base station and interfered by an interfering base station. The method comprising steps of requesting for a limited access to the interfering base station; and responsive to an acknowledge message from the interfering base station, transmitting interference coordination information to the interfering base station. | 12-05-2013 |
20130343481 | METHOD AND APPARATUS FOR PREDICTING PRECODING MATRIX IN MIMO SYSTEM - A method for predicting precoding matrix (PM) in a MIMO System includes the steps of: obtaining a present PM based on a present transmission; fitting the present PM and previous PMs with a predefined model; and determining a forthcoming PM which is expected to be used in the next transmission based on the fitting. | 12-26-2013 |
20130344913 | METHOD AND APPARATUS FOR DETERMINING TRANSMISSION POWER OF A SECONDARY TRANSMITTER IN A HIERARCHICAL SPECTURM SHARING SYSTEM - The present invention provides a method and apparatus for determining a transmission power of a secondary transmitter in a hierarchical spectrum sharing system. The method can comprise steps of obtaining channel quality information on a primary link from at least one primary receiver within a transmission range of the secondary transmitter; and determining the transmission power for the secondary transmitter based on the channel quality information, wherein the transmission power is matched with the channel quality indicated by the channel quality information. According to the embodiments of the present invention, a power control scheme is applied to the secondary transmitter based on the channel quality information on the primary link. In such a way, the secondary transmitter' throughput can be improved with controllable rate loss to the primary receiver and accordingly the spectrum efficiency for the whole system can be further upgraded. | 12-26-2013 |
20140192704 | METHOD AND APPARATUS FOR INDICATING DOWNLINK CHANNEL MEASUREMENT AND METHOD AND APPARATUS PERFORMING DOWNLINK CHANNEL MEASUREMENT IN A RELAYING SYSTEM - The present invention provides a method and apparatus for indicating downlink channel measurement and a method and apparatus for performing channel measurement. The method for indicating downlink channel measurement comprises: receiving information on interferes of a user equipment; generating, based on downlink subframe configuration information, a downlink channel measurement indication for each of possible combinations of the interferers, wherein the channel measurement indication is adapted to indicate a subframe group to be measured by a user equipment; and sending the downlink channel measurement indication to the user equipment so as to indicate the user equipment to perform corresponding downlink channel measurement. According to embodiments of the present invention, the subframe groups that are required to be measured by the user equipment may be determined with respect to possible combinations of interferers corresponding to different levels of interference. Thus, the user equipment may perform channel measurement for respective subframe groups. Therefore, the channel quality as determined in such way will be more accurate and reliable and better match the actual channel condition. Moreover, it also provides a possibility for the serving node to perform the scheduling more accurately and effectively. | 07-10-2014 |
20140328218 | METHOD AND APPARATUS FOR ALLOCATING FEEDBACK TRANSMISSION RESOURCE AND METHOD AND APPARATUS FOR PROVIDING INFORMATION ON VALUES THEREOF - The present invention provides a method and apparatus for allocating feedback transmission resource and a method and apparatus for providing information on values thereof. According to the method of allocating feedback transmission resource, the feedback transmission resource is divided into a plurality of resource units, and the method can comprise receiving information on values of the plurality of resource units for the mobile stations; determining values of possible resource allocation status in each bidding round for the mobile stations from the received information on the values based on the sequential second price auction; and deriving an auction process of the resource units from the determined values of possible resource allocation status in each bidding round based on the sequential second price auction, so as to obtain a final resource unit allocation result for the mobile stations. With embodiments of the present invention, it is possible to improve performance in sum channel capacity and at the same time it can achieve preservation in fairness among MSs. In preferred embodiments of the present invention, the feedback transmission resource can be optimized between at least two kinds of feedback information such as channel station information and intercell interference information, which will further improve the system performance. | 11-06-2014 |
20140369219 | METHOD AND APPARATUS FOR ESTIMATING CHANNEL QUALITY INFORMATION, BASE STATION AND NETWORK CENTRAL PROCESSING DEVICE - The present invention provides a method and apparatus for estimating channel quality information, a base station and a network central processing device. According to the embodiments of the present invention, a macro cell includes multiple transmission points, the method can comprise receiving the channel quality information which is measured by a user equipment based on a cell specific reference signal; obtaining channel matrix information the multiple transmission points; calculating beamforming information on a single cell transmission and a coordinated multi-point transmission based on the channel matrix information; and estimating the channel quality information for the single cell transmission and the coordinated multi-point transmission based on the channel quality information, the channel matrix information, and the beamforming information. With embodiments of the present invention, it is possible to provide coordinated multi-point gains with no overhead introduced and it is compatible with the existing available user equipments. | 12-18-2014 |
20140369281 | METHOD AND APPARATUS FOR REPORTING AND CANCELLING CROSS-SUBFRAME CO-CHANNEL INTERFERENCE - Embodiments of the disclosure provide methods and apparatuses for cancelling cross-subframe co-channel interference (CCI), the method comprising receiving a channel quality indicator (CQI) of a cross-subframe from a user equipment (UE), the cross-subframe is a downlink subframe that is interfered by an uplink subframe in a neighboring cell; determining if the UE should be scheduled during cross-subframes by comparing the CQI with an adaptive threshold; and scheduling the UE during the cross-subframes if the UE is determined to be scheduled. By means of determining the resources scheduling based on an adaptive threshold, CCI may be cancelled and the overall resource usage will be increased according to the present invention. Furthermore, the adaptive threshold scheme can be easily implemented in practice. | 12-18-2014 |
20140369283 | METHOD AND APPARATUS FOR OUTER LOOP LINK ADAPTATION FOR A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method for link adaptation in a wireless communication system. The method comprises: determining whether a UE operates in a SU-MIMO transmission mode or in a MU-MIMO transmission mode; applying, in responsive to determination that the UE operates in the SU-MIMO transmission mode, a SU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation; applying, in responsive to determination that the UE operates in the MU-MIMO transmission mode, a MU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation, wherein the MU-MIMO OLLA offset is based on the SU-MIMO OLLA offset and an extra offset which is indicative of inter-user interference, wherein the SU-MIMO OLLA offset and the extra offset are updated in responsive to receipt of an ACK/NACK message for a packet reported from the UE. | 12-18-2014 |
20140376369 | METHOD AND APPARATUS FOR DYNAMICALLY ADJUSTING UPLINK-DOWNLINK CONFIGURATION - Embodiments of the disclosure provide a method and apparatus for dynamically adjusting UL-DL configuration. In the method according to embodiments of the present invention, downlink traffic load and uplink traffic load for transmission between a BS and a UE in a TDD system may be obtained, a UL-DL traffic load relation may be determined based on the downlink traffic load and the uplink traffic load and a UL-DL configuration may be selected based on the UL-DL traffic load relation. | 12-25-2014 |
20140378150 | METHOD AND APPARATUS FOR PERFORMING D2D COMMUNICATION - Embodiments of the disclosure provide methods and apparatuses for performing D2D communication in a communication system. The communication system at least comprises a BS and a UE in cellular communication with the BS, and wherein the D2D communication is performed between a D2D transmitter and a D2D receiver and interferes with the cellular communication. A method according to the disclosure may comprise steps of: obtaining MCS information on the cellular communication between the BS and the UE; and determining a transmitting power for the D2D communication based on the MCS information, so as to reduce the interference from the D2D communication to the cellular communication. | 12-25-2014 |
20140378154 | METHODS AND APPARATUSES FOR ALLOCATION OF RESOURCE BLOCKS - Provided are methods and corresponding apparatuses for allocation of resource blocks. A method for allocation of resource blocks comprises receiving, from a base station, information regarding a measurement location at which at least one identified resource block has been measured; and using, based upon a current location of a mobile relay node and the measurement location, the at least one identified resource block for communication between the mobile relay node and at least one user equipment connected therewith, wherein the at least one identified resource block is not used for communication between the base station and at least one user equipment connected therewith at the measurement location and a measurement of the at least one identified resource block is below a predetermined threshold. With the claimed inventions, interference in the high speed railway communication could be ameliorated and the spectrum efficiency would be improved. | 12-25-2014 |
20150009895 | METHOD AND APPARATUS FOR REPORTING AND CANCELLING CROSS-SUBFRAME CO-CHANNEL INTERFERENCE - Embodiments of the disclosure provide methods and apparatuses for cancelling cross-subframe co-channel interference (CCI). The method comprising receiving a channel quality indicators (CQI) of a cross-subframe from user equipment (UE), wherein the cross-subframe is a downlink subframe that is interfered by an uplink subframe in a neighboring cell; determining if the UE should be scheduled during cross-subframes based on at least the CQI; scheduling the UE during the cross-subframes if the UE is determined to be scheduled. By means of measuring and reporting CQIs on cross-subframe at UEs, base stations may determine more accurately if interferences at the cross-subframes are severe enough and if resources should be scheduled at the cross-subframe. | 01-08-2015 |
20150036561 | METHOD AND APPARATUS FOR ENHANCING COVERAGE - Embodiments of the disclosure provide a method and apparatus for enhancing coverage in a TDD system, wherein there is at least one TDD UL/DL configuration for subframes in the TDD system, and the at least one UL/DL configuration comprises at least one special subframe and at least one normal subframe. In the method according to embodiments of the present invention, whether a special subframe is to be applied in TTI bundling is determined first, and then a message with an indication indicating that a special subframe is to be applied in TTI bundling is sent to a UE in response to determining that a special subframe is to be applied in TTI bundling, such that the UE transmits TTI bundling packets on at least one special subframe. | 02-05-2015 |
20150105025 | METHOD AND APPARATUS FOR THREE-DIMENSIONAL BEAMFORMING - Embodiments of the disclosure provide methods and apparatuses for three-dimensional beamforming. The method may comprise: mapping vertical virtual antenna ports to physical antenna ports based on vertical reference signals to obtain mapped vertical reference signals; transmitting the mapped vertical reference signals to a user equipment; receiving a tilting indicator from the user equipment, wherein the tilting indicator is obtained based on the mapped vertical reference signals at the user equipment; determining a tilting vector based on the received tilting indicator, wherein the tilting vector indicates adjustment for traffic data in antenna vertical tilting; and adjusting traffic data with the tilting vector. | 04-16-2015 |
20150110013 | METHOD AND APPARATUS FOR LINK ADAPTATION IN PRECODED MIMO SYSTEMS - Embodiments of the invention relate to methods and apparatus for link adaptation in a preceded MIMO system. According to one embodiment, there is provided a method for link adaptation in a precoded MIMO system. The method comprises: receiving first channel quality information γ | 04-23-2015 |
20150110020 | METHOD AND APPARATUS FOR INTERFERENCE CONTROL - Methods and apparatuses for interference control have been disclosed. A method for a base station in a wireless communication system, comprising: obtaining a system setting of the wireless communication system; selecting a transmission mode based at least in part on the system setting, wherein the transmission mode is one of an Interference Cancellation IC transmission mode and a Beamforming BF transmission mode; and configuring the selected transmission mode. The total system throughput may be maximized by dynamically switching the transmission mode between IC and BF at the base station. Further, the proposed switching mechanism may be applied to various communication networks where downlink interference may occur. | 04-23-2015 |
20150117237 | METHOD AND APPARATUS FOR OBTAINING CHANNEL QUALITY INDICATION - Embodiments of the disclosure provide a method and apparatus for obtaining a CQI in a communication system, wherein the communication system comprises a UE, a CoMP measurement set including more than one BS/point, and one or more outside BSs/points which is outside the CoMP measurement set, and wherein the UE is served by a serving BS/point in the CoMP measurement set and interfered by at least one interfering BS/point in the CoMP measurement set and the one or more outside BSs/points. In the method according to embodiments of the present invention, a first interference from at least one outside BS/point which is outside the CoMP measurement set to the UE is estimated; a second interference from at least one interfering BS/point in the CoMP measurement set to the UE is estimated; and a target CQI based on the first interference and the second interference is obtained. | 04-30-2015 |
20150133132 | METHOD AND APPARATUS FOR PERFORMING D2D COMMUNICATION - Embodiments of the disclosure provide methods and apparatuses for performing D2D communication in a communication system. The communication system may at least comprise a base station (BS), a D2D transmitter and a D2D receiver. The D2D transmitter transmits D2D data to the D2D receiver in a D2D communication. | 05-14-2015 |
20150156792 | METHOD AND APPARATUS FOR SCHEDULING USER EQUIPMENT - Embodiments of the disclosure provide methods and apparatuses for scheduling a UE in a communication system comprising D2D communication and cellular communication. The cellular communication is performed between a base station (BS) and at least one UE, and the D2D communication is performed between a D2D transmitter and a D2D receiver. According to the method of the present invention, an outage margin of the D2D communication is obtained, wherein the outage margin indicates the margin that the communication from the D2D transmitter to the D2D receiver is in outage; and a target transmission power of the at least one UE is determined based on the outage margin to perform cellular scheduling. | 06-04-2015 |
20150195791 | METHODS AND APPARATUSES FOR DETERMINING TRANSMISSION POWER AND PROVIDING INFORMATION FOR POWER DETERMINATION - The present disclosure provides a method and an apparatus for determining transmission power for a base station. The method may comprise receiving information on link resource configuration of at least one interfered base station; determining the transmission power for the base station, based on link resource configuration for the base station and the information on link resource configuration of the at least one interfered base station. With embodiments of the present invention, it is possible to provide a new power control scheme by which the cross-subframe co-channel interference might be mitigated and thus the uplink performance of a user equipment, and besides, the downlink performance of the edge UE might also be improved. Additionally, the present disclosure also provides a method and apparatus for providing information for power determination. | 07-09-2015 |
20150256317 | METHOD AND APPARATUS FOR ADAPTIVE CHANNEL DIRECTION INFORMATION FEEDBACK IN A HETEROGENEOUS SYSTEM - The present invention relates to method and apparatus for channel direction information feedback in a heterogeneous system. According to an embodiment of the present invention, a method for channel direction information feedback in a heterogeneous system comprises: determining, for a user equipment, total feedback bits for quantization of channel direction information, based on a trade off between accuracy of channel direction information quantization and reliability of uplink feedback transmission on a predetermined uplink feedback resource, wherein coordinated multi-point transmission between a local base station and a cross base station is performed for the user equipment in the heterogeneous system; and notifying said user equipment of said total feedback bits for quantization of channel direction information that will be conveyed on said predetermined uplink feedback resource. The embodiments of the present invention further relate to corresponding base station, user equipment and computer program product. | 09-10-2015 |
20150319765 | METHODS AND APPARATUSES OF ALLOCATING RESOURCES FOR DEVICE-TO-DEVICE COMMUNICATION - The present disclosure provides a method and an apparatus for allocating resources for device-to-device communication. The method may comprise selecting, from device-to-device pairs that need to be allocated resources and are sorted based on channel condition in descending order, a device-to-device pair ranking first in the device-to-device pairs; determining system sum rates for channels if the device-to-device pair shares resources with respective potential cellular users; and allocating resources assigned to a cellular user to the device-to-device pair based on the determined system sum rates. With embodiments of the present disclosure, the performance of the D2D communication may be further improved and it may achieve a system performance optimization. | 11-05-2015 |
20150351089 | METHOD AND APPARATUS OF RESOURCE SHARING FOR DEVICE-TO-DEVICE AND CELLULAR COMMUNICATIONS - The present disclosure provides a method and an apparatus of resource sharing for D2D and cellular communications. The method may comprise: determining a cellular user set containing potential cellular users that may share resources with a D2D pair; and determining transmit power of the D2D pair on a frequency band of at least one cellular user in the cellular user set and transmit power of the at least one cellular user through maximizing throughput of the D2D pair with a quality of service (QoS) constraint and a power budget constraint of each of the potential cellular users and a transmit power constraint of the D2D pair. With embodiments of the present disclosure, it may provide a non-orthogonal resource sharing solution in which a D2D pair can reuse resources of the cellular users as more as possible while the QoS of all the cellular users are guaranteed, whereby the performance of the D2D user may be improved greatly. | 12-03-2015 |
20150358115 | METHOD AND APPARATUS FOR PERFORMING TTI BUNDLING IN A TDD SYSTEM - Embodiments of the present disclosure provide methods and apparatus for performing Transmission Time Interval (TTI) bundling in a Time Division Duplex (TDD) system. One of the methods may comprise receiving a first TTI bundling packet containing a first part of a redundancy version of a transport block on a special subframe and a second TTI bundling packet containing a second part of the redundancy version on another special subframe; and combining the first TTI bundling packet and the second TTI bundling packet to obtain the redundancy version of the transport block in a complete form. With embodiments of the present disclosure, more configurations may be used in TTI bundling for enhancing coverage in the TDD system, and it may avoid additional interferences to legacy UEs. | 12-10-2015 |
20150358836 | METHOD AND APPARATUS FOR DL/UL RESOURCE CONFIGURATION IN A TDD SYSTEM - Embodiments of the present disclosure relate to a method and apparatus for DL/UL resource configuration in a Time Division Duplex (TDD) system. The method may comprise: dividing a plurality of cells into disjoint clusters based on interference conditions among base stations of the plurality of cells; and performing, in each of at least one of the disjoint clusters, a cooperation DL/UL resource configuration on in-cluster cells included therein based on traffic conditions and performance metrics of the in-cluster cells, so as to determine respective DL/UL resource configurations for the in-cluster cells. With embodiments of the present disclosure, time domain resources may be utilized more efficiently and, additionally, it may be expected to achieve a better overall performance at a low cost. | 12-10-2015 |
20150365957 | METHOD AND APPARATUS FOR CROSS-SUBFRAME INTERFERENCE COORDINATION - Embodiments of the disclosure provide a method and apparatus for cross-subframe interference coordination in a dynamic TDD system. The method comprises steps of: obtaining UL-DL configurations employed by a plurality of cells in the dynamic TDD system; and determining, based on the UL-DL configurations, a beamforming vector of at least one interfering cell which has cross-subframe interference on at least one interfered cell, so as to reduce the cross-subframe interference. | 12-17-2015 |
20160020953 | METHOD AND APPARATUS FOR DYNAMIC DL-UL RECONFIGURATION IN TDD SYSTEM - Embodiments of the disclosure provide a method and apparatus for reconfiguring DL-UL resource allocation in a TDD system. The method includes steps of: a) obtaining traffic condition about DL and UL data to be transmitted; b) estimating system-wise transmission capability and/or UE-wise transmission capability, wherein the system-wise transmission capability accounts for DL transmission capability and UL transmission capability of the TDD system, and the UE-wise transmission capability accounts for transmission capabilities of different UEs; and c) reconfiguring the DL-UL resource allocation according to the obtained traffic condition and the estimated system-wise transmission capability and/or UE-wise transmission capability. | 01-21-2016 |
20160056977 | METHODS AND APPARATUSES FOR DATA TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM - Embodiments of the present disclosure relate to downlink/uplink data transmission in a wireless communication system. In an embodiment of the present disclosure, there is provided a method for downlink data transmission in a wireless communication system which comprises transmitting an indication for a new-type reference signal to a user equipment, wherein the new-type reference signal has an identical location in frequency domain to a legacy reference signal; and transmitting the new-type reference signal and the legacy reference signal to the user equipment for using in channel estimation. In a case of more than one antenna port, the new-type reference signal may be designed to have a different location in time domain from a legacy reference signal to avoid interference to other antenna ports. With embodiments of the present disclosure, it is possible to perform a channel estimation based on both the legacy reference signal and the new-type reference signal to achieve a higher accuracy of channel estimation, and thus a UE with a low SNR may be also used in LTE networks. | 02-25-2016 |
20160065288 | Method and Apparatus for Obtaining Channel Direction Information - The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). | 03-03-2016 |
20160081046 | METHOD AND APPARATUS FOR RESOURCE SHARING FOR DEVICE-TO-DEVICE AND CELLULAR COMMUNICATIONS IN A MULTICELL NETWORK - Embodiments of the disclosure provide a method and apparatus for resource sharing for D2D and cellular communications in a multicell network. The method comprises steps of: acquiring CSI on channels relating to D2D pair and a plurality of cellular users that potentially share resources with the D2D pair; and determining D2D transmit powers of the D2D pair on a plurality of frequency bands allocated to the plurality of cellular users and cellular transmit powers of the plurality of cellular users based on the CSI, to improve throughput of the multicell network. | 03-17-2016 |
Patent application number | Description | Published |
20140099526 | HAND-HELD ELECTRONIC DEVICE ACCESSORY THAT FACILITATES RAPID BATTERY REPLACEMENT - An accessory for a hand-held electronic device includes a protective case and a battery. The electronic device is insertable into the protective case. The battery may be utilized to provide auxiliary power to the electronic device. The battery may be replaceable without having to remove the electronic device from the protective case. | 04-10-2014 |
20140158769 | BAR CODE-READING CAPABILITIES OF A PORTABLE, HAND-HELD COMPUTING DEVICE THAT COMPRISES A CAMERA - This patent specification describes an attachment for a camera device. The attachment comprises at least one of a target generating mechanism, a proximity sensor, illumination that is optimized for bar code reading, optics that provide an alternative optical path to the camera device, and a supplementary lens system that is optimized for bar code reading. | 06-12-2014 |
20140263632 | CREATING A VIRTUAL BAR CODE FROM A PHYSICAL BAR CODE - In accordance with the present disclosure a portable computing device may scan a physical bar code, which may exist on some physical medium, such as paper, plastic, glass, etc. The physical bar code may be decoded to obtain decoded data, and the decoded data may subsequently be re-encoded to generate a virtual bar code. The virtual bar code may be rendered (e.g., on a display of a computing device, and/or on some type of physical medium) and scanned by a bar code scanner. | 09-18-2014 |
20140370807 | COMMUNICATING WIRELESS PAIRING INFORMATION FOR PAIRING AN ELECTRONIC DEVICE TO A HOST SYSTEM - During a pairing procedure between an electronic device and a host system, the host system may output audiovisual data that communicates wireless pairing information. The electronic device may detect the audiovisual data and determine the wireless pairing information by processing the audiovisual data that it detects. The wireless pairing information may facilitate pairing the electronic device to the host system in accordance with the short-range wireless communication protocol. | 12-18-2014 |
20150021400 | BARCODE READER HAVING MULTIPLE ILLUMINATION SYSTEMS AND MULTIPLE SETS OF IMAGING OPTICS - A barcode reader comprises a first lens assembly with a first field of view and a first optical path for first illumination from the first field of view to project to a first image sensor section. The barcode reader further comprises a second lens assembly with a second field of view and a second optical path for second illumination from the second field of view to project to a second image sensor section. The barcode reader further comprises a first illumination system positioned outside of the first field of view projecting the first illumination into the first field of view at a first angle from the first optical path. The barcode reader further comprises a second illumination system positioned between the second lens assembly and a point from which the first illumination system projects the first illumination into the first field of view. | 01-22-2015 |
20150048166 | BARCODE-READING APPLICATION FOR A MOBILE DEVICE WITH A HIGH RESOLUTION COLOR CAMERA - This patent specification describes an attachment for a mobile device. The attachment may have an attachment feature designed to be attached to a mobile device such as a smartphone, tablet, or smartphone/tablet with a camera. The attachment may also include an optics system and/or an illumination system that cooperates with the camera to facilitate the capture of decodable barcodes. The illumination system may include a targeting illumination system that facilitates proper positioning of the article and/or an exposure illumination system that helps illuminate the article during capture. The optics system may include a lens that modifies the depth of field and/or the size of the field of view of the camera, an aperture that helps define the field of view, a filter that prevents light of undesired wavelengths from reaching the camera, and/or a mirror that redirects the camera's optical pathway. | 02-19-2015 |
20150048167 | BARCODE-READING CAPABILITIES OF A PORTABLE, HAND-HELD COMPUTING DEVICE THAT COMPRISES A CAMERA - This patent specification describes an attachment for a mobile device. The attachment may have an attachment feature designed to be attached to a mobile device such as a smartphone, tablet, or smartphone/tablet with a camera. The attachment may also include an optics system and/or an illumination system that cooperates with the camera to facilitate the capture of decodable barcodes. The illumination system may include a targeting illumination system that facilitates proper positioning of the article and/or an exposure illumination system that helps illuminate the article during capture. The optics system may include a lens that modifies the depth of field and/or the size of the field of view of the camera, an aperture that helps define the field of view, a filter that prevents light of undesired wavelengths from reaching the camera, and/or a mirror that redirects the camera's optical pathway. | 02-19-2015 |
20150053765 | BARCODE-READING ENHANCEMENT SYSTEM FOR A COMPUTING DEVICE THAT COMPRISES A CAMERA AND AN ILLUMINATION SYSTEM - This patent specification describes an attachment for a mobile device. The attachment may have an attachment feature designed to be attached to a mobile device such as a smartphone, tablet, or smartphone/tablet with a camera. The attachment may also include an optics system and/or an illumination system that cooperates with the camera to facilitate the capture of decodable barcodes. The illumination system may include a targeting illumination system that facilitates proper positioning of the article and/or an exposure illumination system that helps illuminate the article during capture. The optics system may include a lens that modifies the depth of field and/or the size of the field of view of the camera, an aperture that helps define the field of view, a filter that prevents light of undesired wavelengths from reaching the camera, and/or a mirror that redirects the camera's optical pathway. | 02-26-2015 |
20150115034 | DIFFUSE BRIGHT FIELD ILLUMINATION SYSTEM FOR A BARCODE READER - One aspect of the present disclosure is related to a barcode reader that includes a bright field illumination system, a dark field illumination system, and an additional illumination system that is better able to illuminate an area of the reader's field of view between the far zone (where bright field illumination is optimal) and the close zone (where dark field illumination is optimal). In this “center zone,” the dark field illumination may not be bright enough and the bright field illumination may not be diffuse enough for reading a barcode. | 04-30-2015 |
20150129656 | CREATING A VIRTUAL BAR CODE FROM A PHYSICAL BAR CODE - In accordance with the present disclosure a portable computing device may capture an image of a physical bar code, which may exist on some physical medium, such as paper, plastic, glass, etc. The physical bar code may be decoded to obtain decoded data, and the decoded data may subsequently be re-encoded to generate a virtual bar code. The virtual bar code may be rendered (e.g., on a display of a computing device, and/or on some type of physical medium) and read by a barcode reader. | 05-14-2015 |
20150199549 | BARCODE-READING CAPABILITIES OF A PORTABLE, HAND-HELD COMPUTING DEVICE THAT COMPRISES A CAMERA - This patent specification describes an attachment for a mobile device. The attachment may have an attachment feature designed to be attached to a mobile device such as a smartphone, tablet, or smartphone/tablet with a camera. The attachment may also include an optics system and/or an illumination system that cooperates with the camera to facilitate the capture of decodable barcodes. The illumination system may include a targeting illumination system that facilitates proper positioning of the article and/or an exposure illumination system that helps illuminate the article during capture. The optics system may include a lens that modifies the depth of field and/or the size of the field of view of the camera, an aperture that helps define the field of view, a filter that prevents light of undesired wavelengths from reaching the camera, and/or a mirror that redirects the camera's optical pathway. | 07-16-2015 |
20150261988 | BARCODE READER HAVING MULTIPLE ILLUMINATION SYSTEMS AND MULTIPLE SETS OF IMAGING OPTICS - A barcode reader comprises a first lens assembly with a first field of view and a first optical path for first illumination from the first field of view to project to a first image sensor section. The barcode reader further comprises a second lens assembly with a second field of view and a second optical path for second illumination from the second field of view to project to a second image sensor section. The barcode reader further comprises a first illumination system positioned outside of the first field of view projecting the first illumination into the first field of view at a first angle from the first optical path. The barcode reader further comprises a second illumination system positioned between the second lens assembly and a point from which the first illumination system projects the first illumination into the first field of view. | 09-17-2015 |
20150269403 | BARCODE READER HAVING MULTIPLE SETS OF IMAGING OPTICS - The present disclosure provides a barcode reader including a second set of imaging optics having a larger effective depth of field than a first set of imaging optics and requiring a larger amount of time to process a resulting image of a barcode into a decodable format. The barcode reader also includes a processor providing a decoded output based on an image acquired with the second set of imaging optics if an image acquired with the first set of imaging optics is not decodable. | 09-24-2015 |
20150317503 | BARCODE-READING SYSTEM - This patent specification describes an attachment for a mobile device. The attachment may have an attachment feature designed to be attached to a mobile device such as a smartphone, tablet, or smartphone/tablet with a camera. The attachment may also include an optics system and/or an illumination system that cooperates with the camera to facilitate the capture of decodable barcodes. The illumination system may include a targeting illumination system that facilitates proper positioning of the article and/or an exposure illumination system that helps illuminate the article during capture. The optics system may include a lens that modifies the depth of field and/or the size of the field of view of the camera, an aperture that helps define the field of view, a filter that prevents light of undesired wavelengths from reaching the camera, and/or a mirror that redirects the camera's optical pathway. | 11-05-2015 |
20150356336 | A BARCODE-READING SYSTEM - This patent specification describes an attachment for a mobile device. The attachment may have an attachment feature designed to be attached to a mobile device such as a smartphone, tablet, or smartphone/tablet with a camera. The attachment may also include an optics system and/or an illumination system that cooperates with the camera to facilitate the capture of decodable barcodes. The illumination system may include a targeting illumination system that facilitates proper positioning of the article and/or an exposure illumination system that helps illuminate the article during capture. The optics system may include a lens that modifies the depth of field and/or the size of the field of view of the camera, an aperture that helps define the field of view, a filter that prevents light of undesired wavelengths from reaching the camera, and/or a mirror that redirects the camera's optical pathway. | 12-10-2015 |
20150363619 | BARCODE READER RANGING USING TARGETING ILLUMINATION - A barcode reader comprising a targeting illumination system, a plurality of illumination systems, and a lens assembly may also comprise feature offset data. The feature offset data may be offsets between locations of a plurality of features projected by the targeting illumination system within a plurality of calibration image frames captured at different calibration distances. The barcode reader may (i) select two features projected by the targeting illumination system that are present in a barcode image captured via the first lens, (ii) determine a feature offset that indicates an offset between the two features, and (iii) estimate a barcode distance based on the feature offset and the feature offset data. | 12-17-2015 |
20150363621 | BARCODE READER WHICH OBTAINS OPERATING INSTRUCTIONS FROM A REMOTE SERVER - A barcode reader for providing decoded data to a remote computing system includes a communication interface, non-volatile memory comprising first executable code, volatile memory, and a processor. The processor executes the first executable code to utilize the communication interface to obtain second executable code from a remote configuration server. The processor also loads the second executable code directly to the volatile memory and executes the second executable code to commence operation of the barcode reader. | 12-17-2015 |
20150363622 | BARCODE READER WHICH OBTAINS FORMATTING AND ROUTING INSTRUCTIONS FROM A REMOTE SERVER - A barcode reader for decoding and manipulating data from a barcode and providing the decoded and manipulated data to a remote computing system includes barcode reading hardware, including an image sensor which captures an image of a barcode within a field of view. The barcode reader also includes a processor executing executable code which generates decoded data representative of data encoded in the barcode, formats the decoded data, and sends the formatted decoded data to the remote computing system only when the processor executes formatting and routing instructions which the barcode reader obtains from a remote configuration server upon power up of the barcode reader. | 12-17-2015 |
20150363623 | BARCODE READER WHICH OBTAINS SUPPLEMENTAL OPERATING INSTRUCTIONS FROM A REMOTE SERVER - A barcode reader for decoding data from a barcode includes barcode reading hardware, including an image sensor which captures an image of a barcode within a field of view. The barcode reader also includes a processor. The processor executes embedded firmware to operate the barcode reading hardware. The processor also generates decoded data representative of data encoded in the barcode by executing supplemental operating instructions which the barcode reader obtains from a remote configuration server upon power up of the barcode reader. The supplemental operating instructions are distinct from the embedded firmware and include instructions which, when executed by the processor, enable the barcode reader to output the decoded data from the barcode within the field of view. | 12-17-2015 |
20150363624 | BARCODE READER WHICH OBTAINS A RAM IMAGE FROM A REMOTE SERVER - A host device is configured to (i) establish a point-to-point connection with a barcode reader via a point-to-point communication interface, (ii) determine that the barcode reader is in a state wherein executable instructions necessary for providing decoded data to the host device are not present within memory of the barcode reader, (iii) use the network interface to connect to a configuration server and to receive, from the configuration server, executable instructions required for the barcode reader to be capable of providing the decoded data to the host device, (iv) provide the executable instructions to the barcode reader via the point-to-point connection, and (v) receive from the barcode reader, via the point-to-point communication interface, the decoded data only after the executable instructions have been loaded to volatile memory of the barcode reader. | 12-17-2015 |
20150363626 | PROVIDING OPERATING INSTRUCTIONS FOR A BARCODE READER FROM A SERVER - A barcode reader may include one or more advancements in the manner in which its software and/or firmware are updated and/or installed. The barcode reader may have an image sensor that captures an image of a barcode, a communication interface, volatile memory, non-volatile memory, and a processor. The barcode reader may receive executable code, selected from multiple versions, from a configuration server remote from the barcode reader. The executable code may be loaded directly into the volatile memory, without first being loaded into the non-volatile memory. The executable code may be loaded at a location in the volatile memory that begins at a start address stored in the non-volatile memory or in a header of the executable code. The barcode reader may execute the executable code to commence operation of the barcode reader directly after the executable code has been loaded into the volatile memory. | 12-17-2015 |
20160034735 | DIFFUSE BRIGHT FIELD ILLUMINATION SYSTEM FOR A BARCODE READER - One aspect of the present disclosure is related to a barcode reader that includes a bright field illumination system, a dark field illumination system, and an additional illumination system that is better able to illuminate an area of the reader's field of view between the far zone (where bright field illumination is optimal) and the close zone (where dark field illumination is optimal). In this “center zone,” the dark field illumination may not be bright enough and the bright field illumination may not be diffuse enough for reading a barcode. | 02-04-2016 |
20160092711 | ATTACHMENT INCLUDING A MIRROR THAT CHANGES AN OPTICAL PATH OF A CAMERA DEVICE - This patent specification describes an attachment for a camera device. The attachment comprises at least one of a target generating mechanism, a proximity sensor, illumination that is optimized for bar code reading, optics that provide an alternative optical path to the camera device, and a supplementary lens system that is optimized for bar code reading. | 03-31-2016 |