Follow us on Twitter
twitter icon@FreshPatents


Carrier Aggregation patents

      

This page is updated frequently with new Carrier Aggregation-related patent applications.




 Method, apparatus and computer program product for enhanced control channel usage in carrier aggregation patent thumbnailMethod, apparatus and computer program product for enhanced control channel usage in carrier aggregation
The present invention addresses a method, apparatus and computer program product for managing control channel usage in carrier aggregation, which implement defining a time reuse factor for a physical uplink control channel resource on a primary cell for enabling time multiplexing the subframes of the resource, and assigning a physical uplink control channel resource element to a requesting user equipment by using colliding resources in different subframes, wherein the time reuse factor is variably set based on at least one of the number of requesting user equipments and the individual traffic needs of the requesting user equipment.. .
Nokia Solutions And Networks Oy


 Reception device and reception method patent thumbnailReception device and reception method
Disclosed are a transmission device and a transmission method with which it is possible to prevent delays in data transmission and to minimize the increase in the number of bits necessary for the notification of a cc to be used, in cases where a cc to be used is added during communication employing carrier aggregation. When a component carrier is to be added to a component carrier set, a setting section provided in a base station: modifies a cif table that defines the correspondence between code points, which are used as labels for the respective component carriers contained in the component carrier set, and the identification information of the respective component carriers; and assigns a vacant code point to the component carrier to be added, while keeping the correspondence between the code points and the component carrier identification information defined in the cif table before modification..
Sun Patent Trust


 Method for transreceiving signals and  same patent thumbnailMethod for transreceiving signals and same
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting an uplink signal in a wireless communication system supporting carrier aggregation (ca), and to an apparatus for same, comprising the steps of: establishing a first cell having a first time division duplex (tdd) uplink-downlink (ul-dl) configuration and a second cell having a second tdd ul-dl configuration; receiving data through a dl subframe of the first cell; and transmitting reception reply information with respect to the data through a ul subframe of the second cell..
Lg Electronics Inc.


 Method and  managing multiple timing advance groups in mobile communication system supporting carrier aggregation patent thumbnailMethod and managing multiple timing advance groups in mobile communication system supporting carrier aggregation
A method and apparatus for managing multiple timing advance groups (tags) operating with different timings are provided for use in a long term evolution (lte) system. The method for managing multiple tags at a base station of a wireless communication system supporting carrier aggregation according to an exemplary embodiment of the present invention includes categorizing a plurality of carriers into at least one tag according to a predetermined rule, assigning a tag index to each tag, transmitting the tag index to a terminal, generating a timing advance command (tac) for synchronization, and transmitting the tac to the terminal in a random access process.
Samsung Electronics Co., Ltd.


 Method and  monitoring for radio link failure patent thumbnailMethod and monitoring for radio link failure
Methods and apparatus are described for monitoring for a radio link failure in a long term evolution-advanced (lte-a) system operated with carrier aggregation. The methods include criteria for determining radio link failure, recovery events, and the actions that a wireless transmit/receive unit (wtru) may take upon the occurrence of such events..
Interdigital Patent Holdings, Inc.


 Method and device for transmitting and receiving data by using multiple carriers in mobile communication system patent thumbnailMethod and device for transmitting and receiving data by using multiple carriers in mobile communication system
To solve the above-mentioned problem, the method for transmitting and receiving a signal by user equipment (ue) through one or more cells, according to one embodiment of the present specification, comprises the steps of: receiving, from a base station, a first message indicating whether one or more cells usable by the ue are enabled; determining which cells to enable or disable on the basis of the first message; and enabling or disabling the selected cells. According to the embodiment of the present specification, by aggregating carriers amongst different base stations, a possibility for the ue to transmit and receive high-speed data through carrier aggregation can increase..
Samsung Electronics Co., Ltd


 Method of transmitting and receiving ack/nack signal and apparatus thereof patent thumbnailMethod of transmitting and receiving ack/nack signal and apparatus thereof
Disclosed is a method for transmitting an ack/nack signal for an harq (hybrid automatic repeat request) in a ca (carrier aggregation) system, the method including obtaining at least one transmission resource among first and second transmission resources; configuring a first table showing a relationship in which a combination of at least one of the first and second transmission resources and modulation symbols is mapped to an ack/nack signal, and transmitting modulation symbols corresponding to a transmission target ack/nack signal in the first table by using transmission resource corresponding to the transmission target ack/nack signal in the first table.. .
Pantech Inc.


 Uplink carrier aggregation architecture patent thumbnailUplink carrier aggregation architecture
Uplink carrier aggregation architecture. In some embodiments, an uplink (ul) carrier aggregation (ca) architecture may include a first antenna port and a second antenna port.
Skyworks Solutions, Inc.


 Method and apparatus of controlling periodic csi reporting patent thumbnailMethod and apparatus of controlling periodic csi reporting
Exemplary embodiments of the present invention relates to an apparatus and method for performing periodic csi reporting available in a system supporting a tdd-fdd aggregation operation and an fdd-tdd aggregation operation. A periodicity and an offset for periodic reporting of channel quality indicator and precoding matrix indicator may be determined based on the cell type of a primary serving cell for a tdd-fdd carrier aggregation and an fdd-tdd carrier aggregation..
Innovative Technology Lab Co., Ltd.


 Multi-path low-noise amplifier and associated low-noise amplifier module and receiver patent thumbnailMulti-path low-noise amplifier and associated low-noise amplifier module and receiver
A receiver is provided to support a plurality of carrier aggregation modes. The receiver includes a low-noise amplifier (lna) module including a plurality of lnas, wherein the lnas are arranged to receive input signals from a plurality of input ports, respectively, and each of the lnas generates and outputs a plurality of noise-cancelled signals at a plurality of output terminals of the lna module..
Mediatek Inc.


Uplink based selection of downlink connectivity configuration

Uplink based selection of downlink connectivity configuration a node (110, 120) of a cellular network determines a characteristic of at least one ul channel (112, 122) between a device (10) and the cellular network. Depending on the determined characteristic of the at least one uplink channel (112, 114), the node (110, 120) selects a configuration for a downlink connection for the device (10), e.g., a dual connectivity configuration or a carrier aggregation configuration.
Telefonaktiebolaget Lm Ericsson (publ)

Method for signaling control information, and apparatus therefor

The present invention relates to a wireless communication system. In detail, the invention relates to a method for a terminal to transmit a uci in a carrier aggregation-based wireless communication system, and to an apparatus therefor, wherein the method involves the steps of: forming a first cell group having a pcell; forming a second cell group having one or more scells; receiving one or more data in the second cell group; and transmitting harq-ack information on the one or more data through a pucch, wherein, when the first and second cell groups are managed by an identical base station, the harq-ack information is transmitted in the pcell, and, when the first and second cell groups are managed by different base stations, the harq-ack information is transmitted in the second cell group..
Lg Electronics Inc.

Configurable threshold for format selection for enhanced carrier aggregation

Different control information formats offer tradeoffs between performance for a ue and multiplexing capability for different ues. In one aspect, a user equipment (ue) determines a first threshold to apply in selecting a format from a plurality of formats and uses the format for a first transmission of control information.
Qualcomm Incorporated

Method for receiving device-to-device signal in wireless communication system supporting carrier aggregation, and apparatus therefor

The present invention relates to a method for receiving a device-to-device signal of a terminal in a wireless communication system supporting frequency division duplex (fdd) band and time division duplex (tdd) band-based carrier aggregation. Particularly, the present invention comprises a step for receiving a d2d signal on an uplink cell of the fdd band according to whether a wide area network (wan) signal of the tdd band is transmitted and received on a specific sub-frame in which the wan signal is received on a downlink cell of the fdd band, wherein the d2d signal is received when the tdd band transmits the wan signal and a reception circuit (rx chain) for the tdd band is reconfigured for the uplink cell of the fdd band..
Lg Electronics Inc.

Systems and methods for carrier aggregation

A user equipment (ue) for performing carrier aggregation is described. The ue includes a processor and instructions stored in memory that is in electronic communication with the processor.
Sharp Kabushiki Kaisha

Techniques and apparatuses for virtual radio link monitoring during carrier aggregation and cross-carrier scheduling

Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communication device may determine that the wireless communication device is configured to use a primary component carrier (pcc), a first secondary component carrier (scc), and a second scc for carrier aggregation.
Qualcomm Incorporated

User apparatus, base station, uplink transmission power reporting method and parameter notification method

A user apparatus in a mobile communication system includes a first and second base station that perform communication with the user apparatus by inter-base station carrier aggregation. The user apparatus receives, from the first base station, a first detection parameter on uplink transmission power reporting set for a first cell group that is a cell group of the first base station.
Ntt Docomo, Inc.

User apparatus and uplink transmission power information transmission method

A user apparatus in a mobile communication system including a first base station and a second base station that perform communication with the user apparatus by inter-base station carrier aggregation, including: a transmission trigger detection unit configured to detect a transmission trigger for transmitting uplink transmission power information in the user apparatus to the first base station or to the second base station; and an uplink transmission power information transmission unit configured to transmit the uplink transmission power information to the first base station or to the second base station based on a transmission trigger detected by the transmission trigger detection unit.. .
Ntt Docomo, Inc.

Measurement control method and base station

A measurement control method in a mobile communication system is provided. The mobile communication system includes a first base station and a second base station which perform communications with a user apparatus by using inter-base-station carrier aggregation.
Ntt Docomo, Inc.

Base station apparatus

A base station apparatus includes a memory; and a processor coupled to the memory, the processor configured to: sequentially acquire terminal identification ids, and update and retain the terminal identification ids. Each of the terminal identification ids indicates a current connection state of a terminal with respect to each second base station apparatus among second base station apparatuses of cells managed by the base station apparatus including a cell of the base station apparatus.
Fujitsu Limited

Method for aperiodic feedback of channel state information in a wireless access system supporting multi-carrier aggregation

The present invention relates to a wireless access system supporting multi-carrier aggregation (ca) and discloses various methods and devices for aperiodic feedback of channel state information (csi). The method for aperiodic feedback of the channel state information (csi) in the wireless access system supporting the multi-carrier aggregation (ca), according to an embodiment of the present invention, comprises the steps of: receiving a first message including an aperiodic csi request field and uplink grant from a base station; receiving a second message including bitmap information indicating a downlink component carrier (dl cc) subjected to csi measurement from the base station; measuring the csi in consideration of at least one of the aperiodic csi request, uplink grant, and bitmap information; and transmitting the measured csi to the base station through a physical uplink shared channel (pusch) to thereby receive aperiodic feedback of the same..
Lg Electronics Inc.

Electronic device with multi-band antenna for supporting carrier aggregation using non-segmented conductive border member

An electronic device including a multi-band antenna, a cover, a substrate, and a conductive border member is disclosed, where the device includes a first feed terminal connected to a circuit of a substrate embedded in the device, a second feed terminal connected to the circuit and insulated from the first feed terminal, a ground disposed on the substrate, a conductive border member continuously disposed along a periphery of the electronic device, a first antenna connected to the first feed terminal and the conductive border member, and the first antenna forming a multiple resonance for covering a first multi-band having a plurality of bands, a second antenna connected to the second feed terminal and the conductive border member and the second antenna forming a multiple resonance for covering a second multi-band, and a bypass conductor to bypass interference signals generated by the first antenna and the second antenna to the ground.. .
Samsung Electro-mechanics Co., Ltd.

Control messages in wireless communication

In lte tdd with carrier aggregation (ca), a two bit sequence number or downlink assignment indicator (dai) can be attached to downlink control information (dci) messages relating to packets transmitted on some or all of successive carrier frequencies in a given subframe. The numerical progression of the sequence numbers can be used to determine the number of ack/nack bits (ack/nack codebook size) needed to acknowledge reception of the packets.
Fujitsu Limited

Method for transmitting and receiving control information of a mobile communication system

The method for transmitting control information in a mobile communication system includes: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. A capacity for control information, which increases for multiple user multiple-input multiple-out (mimos) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (mbsfn) subframe, and for a comp transmission control, may be satisfied.
Electronics And Telecommunications Research Institute

Control messages in wireless communication

Lte tdd with carrier aggregation, a sequence number or downlink assignment indicator can be attached to downlink control information (dci) messages relating to packets transmitted on some or all of successive carrier frequencies in a given subframe. The sequence number is incremented or decremented for each dci transmitted depending on whether the total number of dci message transmitted in a given subframe is even or odd.
Fujitsu Limited

Tune away procedure based on tdd uplink/downlink configuration

A method and system for wireless communication in a time division duplex (tdd) system in a multi-sim (subscriber identity module) multi-standby, single receiver ue (user equipment), adjusts a tune away procedure based on a current time division duplexing (tdd) uplink/downlink configuration and/or number of active component carrier of carrier aggregation. The ue (user equipment) determines when to start a tune away from a first rat (radio access technology) to a second rat (radio access technology) based, at least in part, on a current tdd (time division duplexing) uplink/downlink configuration of the first rat (radio access technology)..
Qualcomm Incorporated

Data transmission in carrier aggregation with different carrier configurations

Techniques are provided for aggregating carriers with different carrier configurations. The carriers may include both time division duplex (tdd) and frequency division duplex (fdd) carriers which may be configured such that control information for both carrier types is conveyed by the tdd carrier.
Qualcomm Incorporated

Carrier aggregation using diplexers

Current aggregation using diplexers. A multiplexing system can include a first diplexer and a second diplexer.
Skyworks Solutions, Inc.

Uplink scheduling apparatus and method based on uplink report in wireless communication system

A method and an apparatus for scheduling uplink transmissions according to a maximum transmission power and power headrooms (phs) reported by a user equipment (ue) are provided. A method for reporting the phs for carriers used by a terminal in a mobile communication system supporting carrier aggregation includes generating a message including the phs along with indicators indicating whether a real transmission is scheduled on an uplink data channel of corresponding carrier, and including, when the real transmission is scheduled, a maximum transmission power used for calculating the phs in the generated message..
Samsung Electronics Co., Ltd.

Mobile communication system and user equipment

In tdd-fdd carrier aggregation, delay in downlink retransmission timing and ue's battery energy consumption are reduced. In a mobile communication system that performs carrier aggregation using a first component carrier associated with a first cell conducting radio communication in a first duplex mode and a second component carrier associated with a second cell conducting radio communication in a second duplex mode, a cell is provided on which an uplink control channel carrying acknowledgement or negative acknowledgement for the first component carrier and the second component carrier is transmitted, and a user equipment performs discontinuous reception using a timer value corresponding to a duplex mode of said cell on which the uplink control channel is transmitted upon receiving at least one of a first downlink data signal transmitted over the first component carrier and a second downlink data signal transmitted over the second component carrier..
Ntt Docomo, Inc.

User equipment, band balancing controller and rs-sinr reporting method

A user apparatus in a mobile communication system supporting carrier aggregation includes a measurement unit configured to measure an rs-sinr (reference signal-signal to interference and noise ratio) for a reference signal in a physical downlink control channel transmitted from a base station; and a reporting unit configured to report the measured rs-sinr to the base station in accordance with a predefined reporting trigger.. .
Ntt Docomo, Inc.

Transmission of control information in a wireless network with carrier aggregation

Techniques for sending control information to support operation on multiple component carriers (ccs) are disclosed. A user equipment (ue) may be configured with multiple ccs for carrier aggregation.
Qualcomm Incorporated

Uplink control data transmission

Methods and systems for transmitting uplink control information and feed back are disclosed for carrier aggregation systems. A user equipment device may be configured to transmit uplink control information and other feedback for several downlink component carriers using one or more uplink component carriers.
Interdigital Patent Holdings, Inc.

Method and configuring position of frequency resource

A method and an apparatus are used to configure a position of a transmission frequency resource according to a synchronization relationship between devices, includes: adjusting, by a first device, synchronization according to synchronization information of a second device, in a case in which the first device is synchronous with the second device, or the second device can adjust a configured frequency resource, configuring a frequency resource close to an edge of a frequency band, where the frequency resource is used to transmit data, and notifying first user equipment; in a case in which the devices are synchronous, adjusting, by the first device and the second device, a start moment or an end moment of transmitting or receiving a signal; and using, by the first device in a manner of extending a bandwidth of a carrier frequency or a manner of carrier aggregation.. .
Huawei Technologies Co., Ltd.

Component carrier (de)activation in communication systems using carrier aggregation

This invention relates to the proposal of component carrier (de)activation message that is allowing a activation or deactivation of one or more component carriers in the uplink or downlink. Furthermore, the invention relates to the use of the new component carrier (de)activation message in methods for (de)activation of downlink component carrier(s) configured for a mobile terminal, a base station and a mobile terminal.
Sun Patent Trust

System and user equipment initiated management of carrier aggregation

Methods that are performed by a user equipment (ue) and corresponding methods of base stations that allow a ue to determine whether the ue is in a carrier aggregation enabled or disabled state. One exemplary embodiment of a method performed by a ue determines a first artificial value for a first parameter and a second artificial value for a power headroom (phr) for a secondary component carrier (scc), the first and second artificial values being substantially low relative to a configuration of the network, generates an artificial report including the first and second artificial values, transmits the artificial report to a primary cell providing a primary component carrier (pcc) and receives an indication that the ue is placed in a carrier aggregation disabled state..
Apple Inc.

Random access process in carrier aggregation

A mac layer instructs a physical layer to transmit a preamble as a part of a random access (ra) procedure on a licensed assisted access (laa) cell. The wireless device performs an lbt for transmission of the preamble.
Ofinno Technologies, Llc

Opportunistic carrier aggregation using short range extension carriers

Systems and methods for providing opportunistic carrier aggregation to short range or low power extension carriers are generally disclosed herein. One embodiment includes data traffic offload techniques to offload data communicated in a wireless wide area network (wwan) from a primary cell to a secondary cell.
Intel Corporation

Base station, user equipment, and measurement inter-base station carrier aggregation

Embodiments of the present invention provide a base station, user equipment, and a measurement method for inter-base station carrier aggregation. The method includes: a primary base station of the ue sends a message include indication information to request the ue report a timing offset between the primary base station and a secondary base station of the ue; the secondary base station calculates a corrected measurement gap information according to a measurement gap information and the timing offset; the secondary base station stops scheduling the ue in a measurement gap period indicated by the corrected measurement gap information.
Huawei Technologies Co., Ltd.

Periodic channel state information reporting for enhanced carrier aggregation

Methods, systems, and devices for wireless communication are described. A user equipment (ue) may detect the size of a payload for reporting hybrid automatic repeat request (harq) feedback for transmissions on a set of component carriers (ccs) and may determine whether a scheduling request (sr) and/or a periodic channel state information (p-csi) report is present.
Qualcomm Incorporated

User equipment and method

Some techniques are disclosed for determining downlink control information for use in each cell in carrier aggregation using a fdd cell and a tdd cell together. One aspect of the present invention relates to user equipment, comprising: a transmission and reception unit configured to transmit and receive a radio channel to/from a base station via multiple cells configured for carrier aggregation in accordance with a frequency division duplex (fdd) mode and a time division duplex (tdd) mode; a cell management unit configured to manage the multiple cells; and a communication control unit configured to determine whether a duplex mode applied to a primary cell in the multiple cells is either the fdd mode or the tdd mode and receive and demodulate downlink control information compliant with the determined duplex mode for each carrier aggregation implemented cell..
Ntt Docomo, Inc.

Methods, base station and wireless device for supporting radio communication

A base station (300), a wireless device (302) and methods thereinfor supporting radio communication, wherein the base station (300) employs carrier aggregation with multiple carriers serving a primary cell, pcell, and at least one secondary cell, scell. The base station (300) signals (3:3) an scell status to the wireless device (302), the scell status indicating whether the at least one scell will be in active state where the base station (300) transmits downlink signals on a carrier serving the at least one scell, or in inactive state where the base station (300) does not transmit downlink signals on the carrier serving the at least one scell.
Telefonaktiebolaget Lm Ericsson (publ)

Terminal device, base station device, and communication method

A terminal device configured to communicate with a base station device includes a higher layer processing unit that configures a mode of periodic channel state information reporting, and a transmission unit that periodically performs feedback of channel state information on a physical uplink control channel by using the mode. A period and an offset in the channel state information reporting are determined based on a parameter given in a first table in a case of frequency division duplexing, or based on a parameter given in a second table in a case of carrier aggregation for frequency division duplexing and time division duplexing where a primary cell has a frame structure type-2.
Sharp Kabushiki Kaisha

User terminal, radio base station and radio communication method

The present invention is designed to realize dynamic tdd that is based on tdd-fdd ca. A user terminal, by employing carrier aggregation or dual connectivity, performs radio communication via a plurality of cells including a primary cell, which is an fdd cell, and a secondary cell, which is a dynamic tdd cell, and has a receiving section that receives control information transmitted from the primary cell, and a cell-specific downlink signal transmitted from the dynamic tdd cell, and a control section that decides whether one or a plurality of subframes in the dynamic tdd cell are uplink subframes or downlink subframes based on the control information, and controls operations with respect to the dynamic tdd cell, and the control section executes control so that a subframe to receive the cell-specific downlink signal from the dynamic tdd cell and a subframe to retransmit uplink data are different..
Ntt Docomo, Inc.

Shared spectrum load balancing based on network load

A wireless telecommunications system may be configured to provide wireless service via unlicensed, licensed, and/or shared frequency bands (e.g., frequency bands that are shared with other telecommunications systems, and for which access is regulated by an external entity). A load balancing technique, described herein, may provide load balancing between licensed and shared frequency bands based on relative load of the licensed and shared networks, and/or other factors (e.g., a priority access license (“pal”) of a base station to which the user device is attached).
Verizon Patent And Licensing Inc.

Method and security communication of carrier aggregation between base stations

This invention discloses a method for security communication of carrier aggregation between base stations, which method comprises receiving, by a user equipment, a first message to add a cell controlled by a secondary base station as a service cell sent by a primary base station; and creating, by the user equipment, a security key for communication with cells controlled by the secondary base station according to security context of the primary base station and the first message. This invention further discloses the corresponding user equipment and base stations.
Huawei Technologies Co., Ltd.

Simplified multi-band/carrier carrier aggregation radio frequency front-end based on frequency-shifted antennas

Certain aspects of the present disclosure provide methods and apparatus for processing signals using separate frequency-shifted antennas in a radio frequency front-end (rffe) of a wireless communication device. One example apparatus includes a transceiver; a first antenna configured to support communications in a first frequency range; a second antenna configured to support communications in a second frequency range different than the first frequency range, wherein the second frequency range partially overlaps the first frequency range; a first circuit block coupled to the transceiver and configured to process one or more first signals for transmission over a first bandwidth via the first antenna; and a second circuit block coupled to the transceiver and configured to process one or more second signals for reception over a second bandwidth via the second antenna, wherein the second bandwidth at least partially overlaps the first bandwidth..
Qualcomm Incorporated

Power detection of individual carrier of aggregated carrier

Aspects of this disclosure relate to detecting power associated with an individual carrier of a carrier aggregated signal. In an embodiment, a carrier aggregation system includes radio frequency (rf) sources, a transmission output, and a directional coupler.
Skyworks Solutions, Inc.

Methods and apparatus relating to lte fdd-tdd inter-system carrier aggregation in advanced wireless communication systems

A signalling method is disclosed for use in an advanced wireless communication network that supports fdd-tdd carrier aggregation (ca). The signalling method comprises configuring the ue (by establishing radio resource control (rrc) connection with the network through the first access node) for data transmission between the ue and the network through the first access node on the first duplex mode carrier as a primary component carrier (pcell), configuring the ue (via dedicated rrc signalling on the pcell) for data transmission between the ue and the network through the second access node on the second duplex mode carrier as a secondary component carrier (scell), and performing scheduling for data transmission on the aggregated scell using either self-scheduling or cross-carrier scheduling..
Nec Corporation

User terminal, radio base station and radio communication method

The present invention is designed to implement dynamic tdd that does not rely on tdd-fdd ca-based tdd ul-dl configurations. A user terminal executes radio communication with a plurality of cells by employing carrier aggregation, and has a receiving section that, when a connection is established with a secondary cell serving as a dynamic tdd cell, receives control information, which is transmitted from a primary cell and which includes a dynamic command with respect to a subframe configuration of the dynamic tdd cell, and a transmission timing of an uplink signal, and a control section that decides whether or not one or a plurality of subframes in the dynamic tdd cell are uplink subframes or downlink subframes based on the control information, and, furthermore, controls the transmission timing of the uplink signal based on the transmission timing..
Ntt Docomo, Inc.

Method for transmitting channel state information in wireless access system

A method is provided for reporting channel state information (csi) in a wireless access system which supports carrier aggregation. A user equipment (ue) measures a first type csi for a first component carrier (cc) of two or more downlink (dl) ccs, and measures a second type csi for a second cc of the two or more dl ccs.
Lg Electronics Inc.

Uplink power control for a secondary cell in carrier aggregation

A wireless device transmits first uplink control information (uci) on a physical uplink control channel (pucch) secondary cell employing an adjustment factor. The adjustment factor is updated when the wireless device receives a transmit power control command for the secondary pucch.
Ofinno Technologies, Llc

Network node, wireless device and methods therein for controlling a radio communication using carrier aggregation

A network node (600), a wireless device (602) and methods for controlling a radio communication using carrier aggregation. The wireless device (602) sends (6:1) ue capabilities to the network node (600), indicating a maximum capability limit per component carrier and a total maximum capability limit across all component carriers to be used in the radio communication.
Telefonaktiebolaget Lm Ericsson (publ)

Method for transmitting and receiving signals using multi-band radio frequencies

A method is provided for transmitting, by a base station, signals in a communication system. carrier aggregation configuration information is transmitted to a mobile station via a primary carrier band of the mobile station.
Lg Electronics Inc.

Communication carrier aggregation system

Embodiments of the present invention provide a communication method for a carrier aggregation system. The communication method includes receiving physical downlink share channel pdsch information sent by a base station through a subframe n of a secondary cell.
Huawei Technologies Co., Ltd.



Carrier Aggregation topics:
  • Carrier Aggregation
  • Base Station
  • Sounding Reference Signal
  • Relay Node
  • Scheduling
  • Channel Status
  • Carrier Frequency
  • Communication System
  • Automatic Repeat Request
  • Transmitter
  • Extension Carrier
  • Downlink Control Information
  • Radio Resource Control
  • Heterogeneous
  • Heterogeneous Network


  • Follow us on Twitter
    twitter icon@FreshPatents

    ###

    This listing is a sample listing of patent applications related to Carrier Aggregation for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Carrier Aggregation with additional patents listed. Browse our RSS directory or Search for other possible listings.


    1.6469

    file did exist - 3022

    0 - 1 - 55