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


Finding channel state information with reduced codebook in a multi-antenna wireless communication system

Method of transmitting feedback message in wireless communication system

Liquid activated failsafe for portable computing devices

Date/App# patent app List of recent Ebook-related patents
07/24/14
20140205038
 Terminal device, base station device, program, and integrated circuit patent thumbnailTerminal device, base station device, program, and integrated circuit
In a cellular system, new precoding that enables the performance of precoding to be adequately utilized is introduced, and thereby throughput is increased. There is provided a terminal device that includes a plurality of transmit antennas and that performs precoding on a transmit signal.
07/24/14
20140205031
 Finding channel state information with reduced codebook in a multi-antenna wireless communication system patent thumbnailFinding channel state information with reduced codebook in a multi-antenna wireless communication system
Multiple antennas employed at the transmitter and receiver can significantly increase a mimo system capacity, especially when channel knowledge is available at the transmitter. Channel state information may be provided to the transmitter by the receiver in a codebook based precoding feedback.
07/24/14
20140204855
 Method of transmitting feedback message in wireless communication system patent thumbnailMethod of transmitting feedback message in wireless communication system
A method of transmitting a feedback message in wireless communication system is provided. The method includes selecting n best subbands of m subbands according to cqi, where both m and n are a natural number and m is larger than n, generating multiple input multiple output (mimo) information comprising n codebook indexes and n differential cqis and transmitting the feedback message comprising the mimo information..
07/24/14
20140203665
 Liquid activated failsafe for portable computing devices patent thumbnailLiquid activated failsafe for portable computing devices
The described embodiments relate generally to portable computing devices such as notebook computers and more particularly to failsafe mechanisms designed to prevent electrical shorts in the event that a portable computing device comes in contact with a liquid. A plurality of liquid sensors can be positioned within a computing device and electrically coupled to a controller.
07/17/14
20140201853
 Subsystem authenticity and integrity verification (saiv) patent thumbnailSubsystem authenticity and integrity verification (saiv)
Systems and methods are disclosed for enhancing anti-terrorism public safety measures, by more securely determining whether explosives or other contraband have been inserted into notebook computer batteries or other large, replaceable subsystems of electronic devices. Because notebook computers typically require large, heavy batteries, they present attractive containers for smugglers and terrorists attempting to bring explosives onto an airplane.
07/17/14
20140201785
 Method and apparatus for alternate content scheduling on mobile devices patent thumbnailMethod and apparatus for alternate content scheduling on mobile devices
Alternate digital content is inserted into mobile devices with a method and apparatus that comprises an alternate content scheduler, an alternate content reporter, and a micro-splicer. The alternate content scheduler further comprises a mobile network interface for interaction with a mobile data and broadcast network, a micro-splicer interface for interfacing with a micro-splicer, a rulebook that is shared with the network which provides the rules for alternate content scheduling, a preference provisioning module comprising an alternate content scheduler library for storing user or network preferences, a scheduler for providing tight synchronization between original program content and alternate content, and a metric recording interface to an alternate content reporter.
07/17/14
20140199977
 System and method for transmitting and receiving an event message patent thumbnailSystem and method for transmitting and receiving an event message
A system for transmitting and receiving an event message is provided. The system comprises a transmitting terminal that generates an event message, and that transmits the event message and caller information, an event message service server that stores phonebook data after receiving the phonebook data transmitted from at least one terminal, that searches for a receiving terminal including the caller information in the phonebook data among receiving terminals included in the phonebook data of the transmitting terminal when receiving the event message, and that transmits the event message to the searched receiving terminal, and a receiving terminal that receives an event message transmitted by the event message service server, and informs its user of reception of the event message..
07/17/14
20140198870
 Feedback scheduling to reduce feedback rates in mimo systems patent thumbnailFeedback scheduling to reduce feedback rates in mimo systems
In a closed-loop wireless communication system, a codebook-based feedback control mechanism is provided where feedback from each of a plurality of receivers is scheduled to control the feedback so that the receiving devices do not needlessly feed back precoding information to the transmitting device. The feedback may be controlled by establishing and distributing a schedule to control when each receiver feeds back precoding information, or by establishing and distributing a metric-based feedback threshold that must be satisfied before feedback is permitted..
07/17/14
20140198869
 Precoding codebooks for 4tx and 8tx mimo communication systems patent thumbnailPrecoding codebooks for 4tx and 8tx mimo communication systems
A method for communication includes configuring a communication system that includes a transmitter and a receiver with first precoding matrices for mapping up to n data streams onto n transmit antenna ports of the transmitter. Each of at least some of the first precoding matrices are derived from respective second and third precoding matrices.
07/17/14
20140198868
 Dl mimo precoding enhancement patent thumbnailDl mimo precoding enhancement
A method includes applying a precoder to information to be transmitted on n antenna ports, wherein application of the precoder creates an m-tx codebook, each codeword of which is obtained through truncation of a codeword from an n-tx codebook corresponding to the n antenna ports. The precoded information is transmitted on the n antenna ports to a ue and information allowing an n-tx codeword to be selected from the n-tx codebook is received.
07/10/14
20140194153
Methods and apparatus for generating a message for a wireless device
Methods and apparatus for generating a message (106) for a wireless device (102) are disclosed. In an embodiment, an application server (106), or any other suitable device or system, receives a wireless network identifier (e.g.
07/10/14
20140192918
Method and apparatus for reporting downlink channel state
A method of reporting a channel state to a base station supporting downlink multiple input multiple output in a wireless communication system includes measuring a downlink channel based on a downlink signal received from the base station, and reporting a codebook index for precoding of the downlink signal according to the measurement of the downlink channel. The codebook for precoding includes an improved codebook (hereinafter, referred to as an improved 4tx codebook) having a dual structure composed of a codebook for wideband and a codebook for subband, for 4 transmit (4tx) antenna ports, and the improved 4tx codebook includes sub-codebooks obtained by sub-sampling the codebook for subband according to priority..
07/10/14
20140192916
Communication system using a multi-antenna transmit precoder codebook
Systems using a transmit precoder codebook designed for a four-transmitter (4tx) antenna configuration are described. The 4tx antenna configuration is an attractive option for base stations in cellular network environments due to site-acquiring advantages and robust performance.
07/10/14
20140192762
Methods and apparatuses for channel measurement and feedback of multi-dimensional antenna array
Embodiments of the present invention generally relate to methods and apparatuses for the channel measurement and feedback of a multi-dimensional antenna array. Specifically, according to embodiments of the present invention, the primary inventive idea is to allow a base station equipped with a multi-dimensional antenna array to configure more than one class of csi-rs, wherein each class of csi-rs is for use in a channel measurement at the ue for a different dimension of the multi-dimensional antenna array.
07/10/14
20140192761
Radio communication system, radio base station apparatus, user terminal and radio communication method
The present invention is designed to reduce the space to install antennas and still increase the system capacity despite the state of the distribution of user terminals in cells. According to the radio communication method of the present invention, a radio base station apparatus selects precoding vectors from a codebook that is set in advance to be uneven with respect to the direction of the arrangement of antenna elements, based on communication quality information of the user terminals in the cell, multiplies signals to supply to each antenna element by the selected precoding vectors, and transmits the signals multiplied by the precoding vectors to the user terminals, and the user terminal receives a signal from the radio base station apparatus, extracts a reference signal from the received signal and measures channel quality; and feeds back a communication quality feedback signal, including the measured channel quality, to the radio base station apparatus, via the uplink..
07/03/14
20140189458
Soft input, soft ouput mappers and demappers for block codes
A codebook which includes a plurality of messages and a plurality of codewords, a specified codeword bit value, and a specified message bit value are obtained. The llr for bit ci in a codeword is generated, including by: identifying, from the codebook, those codewords where bit ci has the specified codeword bit value; for a message which corresponds to one of the codewords where bit ci has the specified codeword bit value, identifying those bits which have the specified message bit value; and summing one or more llr values which correspond to those bits, in the message which corresponds to one of the codewords where bit ci has the specified codeword bit value, which have the specified message bit value..
07/03/14
20140188665
Crowdchunk system, method, and computer program product for searching summaries of online reviews of products
System, method, and computer program product for researching reviews written online to assess the performance and functionality of digital media consumer products bought online or not (e.g. Ebooks, movies, tv shows, music, dvd's, etc.).
07/03/14
20140185224
Notebook computer with slidable and rotatable screen panel
A notebook computer is provided. The notebook computer includes a screen panel, a main body, two connecting members, and two shafts.
07/03/14
20140184904
Modular electronic device system with a detachable display
Particular embodiments described herein provide for an electronic device, such as a notebook computer or laptop, that includes a circuit board coupled to a plurality of electronic components (which includes any type of components, elements, circuitry, etc.). One particular example implementation of the electronic device may include means for establishing a first electrical connection between a first base and a lid portion; and means for establishing a second electrical connection between a second base and the lid portion.
07/03/14
20140184521
Integrated camera lens and touch screen cover for an electronic device
Particular embodiments described herein provide a touch screen assembly for an electronic device, such as a laptop, notebook or tablet, having a camera module. The touch screen assembly includes a touch screen cover having a touch sensor layer extending across a portion of a surface of the touch screen cover, and a camera lens element integrated with the touch screen cover.
07/03/14
20140184431
Methods for simplified mmi vq based harq buffer reduction for lte
Methods of simplified mmi vq based harq buffer reduction are disclosed. In one embodiment of the invention, the vq obtains distribution information from source data based on a predefined codebook subset design.
06/26/14
20140181647
Method and system for delineating and accessing multi-tagged literature
The present invention provides a way of parsing into tagged segments of texts and therefrom accessing multi-tagged literature. Multi-tagged literature comprises multiple narrative threads that may each occur simultaneously within a narrative or historical timeline, thereby allowing the reader to switch back and forth between various aspects of a text and optionally follow separate threads.
06/26/14
20140180696
Method for speech coding, method for speech decoding and their apparatuses
A high quality speech is reproduced with a small data amount in speech coding and decoding for performing compression coding and decoding of a speech signal to a digital signal. In speech coding method according to a code-excited linear prediction (celp) speech coding, a noise level of a speech in a concerning coding period is evaluated by using a code or coding result of at least one of spectrum information, power information, and pitch information, and various excitation codebooks are used based on an evaluation result.
06/26/14
20140177749
Method of designing codebook for 3d antenna configuration
The invention relates to a method of designing a codebook for a 3d antenna configuration, the method including the steps of: selecting a first codeword characterizing a first antenna array in the 3d antenna configuration from a first codebook; selecting a second codeword characterizing a second antenna array in the 3d antenna configuration from a second codebook; and obtaining a corresponding codeword in the codebook for the 3d antenna configuration by multiplying the first codeword with the second codeword. The solution of the invention has the advantage of being simple in design and can make use of existing lte rel-10 codebooks and thus have the advantage of good compatibility..
06/26/14
20140177745
Method and apparatus for antenna array channel feedback
A method and apparatus provide antenna array channel feedback. The method can include receiving a first set of channel state information reference signals on resource elements, and a second set of channel state information reference signals on resource elements.
06/26/14
20140177683
Method and apparatus for antenna array channel feedback
A method and apparatus provide antenna array channel feedback. The method can include receiving, at a wireless terminal, a set of channel state information reference signals.
06/26/14
20140177157
Notebook computer and method for automatically opening cover of notebook computer
In a method for automatically opening a cover of a notebook computer, the cover includes a display screen and a gravity sensor. The notebook computer further includes a base member, a signal receiver, and a driver device.
06/19/14
20140173441
Method and system for inserting immersive contents into ebook
A method and system for adding immersive contents into existing ebooks and making interactive and engaging to readers is disclosed. The method and system comprises an authoring tool for adding immersive contents.
06/19/14
20140169494
Method for generating codebook, method and apparatus for data transmission
A method for generating a codebook and a method and an apparatus for data transmission are provided. The method includes: receiving a label of a codeword sent by a user equipment (ue); selecting the codeword identified by the label from the codebook for eight-antenna; and coding data to be sent by using the codeword.
06/19/14
20140169493
Parameterized codebook with subset restrictions for use with precoding mimo transmissions
One aspect of the teachings herein relates to signaling codebook restrictions, to restrict the precoder recommendations being fed back from a remote transceiver, so that precoder selections made by the remote receiver are restricted to permitted subsets of overall precoders within a defined set of overall precoders, or to permitted subsets within larger sets of conversion precoders and tuning precoders, for the case where the overall precoders are represented in factorized form by conversion and tuning precoders. As a non-limiting example, these teachings advantageously provide for precoder restrictions in lte or lte-advanced networks, where ongoing development targets the use of larger, richer sets of precoders, and where the disclosed mechanisms for determining, signaling, and responding to subset restrictions provide significant operational advantages..
06/19/14
20140169421
Wireless communication apparatus
Processing data presented in the form of a vector representation involves representing direction of the vector with incremental accuracy by using a set of vector codebooks of decreasing dimensions per accuracy increment.. .
06/19/14
20140169420
Wireless communication apparatus
Processing data presented in the form of a vector representation involves representing direction of the vector with incremental accuracy by using a set of vector codebooks of decreasing dimensions per accuracy increment.. .
06/19/14
20140168143
Simultaneous sensing arrangement
Multi-touch touch-sensing devices and methods are described herein. The touch sensing devices can include multiple sense points, each located at a crossing of a drive line and a sense line.
06/19/14
20140168077
Multi-touch navigation mode
Techniques are disclosed for providing a navigation mode in electronic touch sensitive devices. The navigation mode can be used to advance forward and backward through displayed pages of content on a page-by-page or multi-page basis, such as pages of an ebook, photos, lists such as search results and files, or other consumable content that can be displayed in a page-like fashion.
06/12/14
20140164593
Analyzing reading metrics
Data reports are received from a plurality of clients including action reports and timing reports. Action reports describe actions performed by users of the clients at location within an ebook.
06/12/14
20140162670
Codebook for eight transmit antennas and multiple input multiple output communication system using the codebook
A transmitter and a receiver of a multiple input multiple output (mimo) communication system may use two codebooks to share channel information. When the transmitter uses eight transmit antennas, two codebooks may be defined.
06/12/14
20140161355
Sparse coding based superpixel representation using hierarchical codebook constructing and indexing
Embodiments of the present invention include systems and methods for identifying an object in an image. In embodiments, object identification includes using smooth encoding from a tree structure to generate a feature from a descriptor.
06/12/14
20140161203
Methods for selecting precoding vectors for multi-point mimo (multiple-input-multiple-output) communications and related wireless terminals and radio network nodes
A wireless terminal may receive multiple-input-multiple-output (mimo) downlink communications from a wireless communication network including a plurality of base station sector antenna arrays using a codebook of precoding vectors. Mimo downlink communications may be received from the wireless communication.
06/12/14
20140160653
Keyboard configuration for an electronic device
Particular embodiments described herein provide for an electronic device, such as a notebook computer or laptop, that includes including a base portion and a keyboard assembly at least partially disposed in the base portion. The keyboard assembly may include a first portion having at least a first key of a first thickness, and a second portion having at least a second key of a second thickness.


Popular terms: [SEARCH]

Ebook topics: Communications, Tablet Computer, Electronic Device, Precoding Matrix, Smart Phone, Communication System, Beamforming, Automatic Repeat Request, Carrier Aggregation, Sounding Reference Signal, Wireless Communication Device, Cell Phone, Impact Strength, Portable Computer, Antenna Array

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