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Carrier Aggregation patents

      

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




 Transmission of scheduling assignments in multiple operating bandwidths patent thumbnailTransmission of scheduling assignments in multiple operating bandwidths
Methods and apparatuses are described for wireless communication supporting carrier aggregation. The method includes monitoring a first search space and a second search space on a primary component carrier, to receive a scheduling assignment including information indicating a component carrier on which data is transmitted, wherein a scheduling assignment for the primary component carrier is received in the first search space, and a scheduling assignment for a secondary component carrier is received in the second search space; and receiving the data on one of the primary component carrier and the secondary component carrier.
Samsung Electronics Co., Ltd.


 User apparatus and uplink transmission timing control method patent thumbnailUser apparatus and uplink transmission timing control method
A user apparatus includes a signal transmission unit configured to transmit an uplink signal, a signal reception unit configured to receive a downlink signal; and a timing adjustment unit configured to perform timing control for shifting forward transmission timing of the uplink signal on the basis of reception timing of the downlink signal. When there is a secondary cell to which a physical uplink control channel is set in a cell group including secondary cells using a same uplink transmission timing in cells used for the carrier aggregation, the timing adjustment unit performs the timing control on the cell group by using an offset value according to a frame structure of the secondary cell..
Ntt Docomo, Inc.


 Method for configuring reference resource of channel status information in wireless communication system and apparatus therefor patent thumbnailMethod for configuring reference resource of channel status information in wireless communication system and apparatus therefor
Disclosed is a method for reporting, by a terminal, channel status information (csi) on a frequency division duplex (fdd) secondary cell in a wireless communication system to which a carrier aggregation technique is applied. Specifically, the method comprises the steps of: configuring, as valid sub-frames for measuring the csi, sub-frames in the fdd secondary cell which coincide with the position of downlink sub-frames or the position of special sub-frames including a downlink resource of a predetermined length or more on a specific uplink/downlink sub-frame configuration of a time division duplex (tdd) primary cell; measuring the cso in at least one of the valid sub-frames; and reporting the csi to a network..
Lg Electronics Inc.


 Communication method using a carrier aggregation and apparatus therefore patent thumbnailCommunication method using a carrier aggregation and apparatus therefore
A method and a user equipment for controlling an uplink transmission at in a wireless communications system are discussed, the user equipment being configured with multiple component carriers. The method according to an embodiment includes receiving, from a base station, radio resource control (rrc) configuration information for a channel status information report; and performing a procedure for periodically transmitting channel status information to the base station.
Lg Electronics Inc.


 Method for operating terminal in carrier aggregation system, and apparatus using said method patent thumbnailMethod for operating terminal in carrier aggregation system, and apparatus using said method
A method for operating a terminal in a carrier aggregation system and a corresponding apparatus. In the method, downlink control information (dci) including a downlink assignment index (dai) can be received via an enhanced physical downlink control channel (e-pdcch).
Lg Electronics Inc.


 Method and device for signaling control information in carrier aggregation system patent thumbnailMethod and device for signaling control information in carrier aggregation system
A method, a user equipment, and a base station for maintaining uplink synchronization in a wireless communication system supporting carrier aggregation are discussed. The method of maintaining uplink synchronization at a user equipment according to an embodiment includes receiving a physical downlink control channel (pdcch) order.
Lg Electronics Inc.


 Power-limit reporting in a communication system using carrier aggregation patent thumbnailPower-limit reporting in a communication system using carrier aggregation
The invention relates to methods for informing an enodeb on the transmit power status of a user equipment in a mobile communication system using component carrier (cc) aggregation. Furthermore, the invention is also related to the implementation of these methods by hardware and their implementation in software.
Sun Patent Trust


 Method and  controlling tpc command timing considering tdd-fdd carrier aggregation patent thumbnailMethod and controlling tpc command timing considering tdd-fdd carrier aggregation
One or more exemplary embodiments provide a tpc command timing by taking into consideration tdd-fdd ca and cross-carrier scheduling, and provide a pusch transmission power controlling method in a subframe i for an fdd-based scheduled cell, based on the tpc command timing. According to one or more exemplary embodiments, an uplink transmission power may be effectively controlled when tdd-fdd ca and cross-carrier scheduling is configured for a ue.
Innovative Technology Lab Co., Ltd.


 Method and  transmitting uplink signals in wireless communication system patent thumbnailMethod and transmitting uplink signals in wireless communication system
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and an apparatus for a terminal controlling uplink power in a carrier aggregation-based wireless communication system, comprising the steps of: configuring a first cell and a second cell; transmitting a first pucch signal from subframe #n in the first cell; and transmitting a second pucch signal from subframe #n in the second cell, wherein when the sum of transmit power of the first pucch signal and transmit power of the second pucchj signal exceeds a predetermined maximum transmit power configured to the terminal, the transmit power of the pucch signal having a lower priority from among the first ucch signal and the second pucch signal is reduced or the transmission is dropped..
Lg Electronics Inc.


 Service-based, separated access and paging cell selection and reselection patent thumbnailService-based, separated access and paging cell selection and reselection
Systems and techniques are disclosed to separate paging and access cell selection (and use) among available cells based on different paging cell and access cell requirements and specific service availability. A ue selects a first cell that meets paging cell requirements as a paging cell and a second cell that meets service requirements as an access cell.
Qualcomm Incorporated


User apparatus and base station

A user apparatus includes an information storage unit configured to store band combination information indicating a combination of bands that can be used in carrier aggregation in the user apparatus, and a notification control unit configured to explicitly or implicitly add, to the band combination information, capability information indicating whether the user apparatus is able to set a primary cell by using a band of a first duplex mode in the carrier aggregation, and to notify a base station of the band combination information to which the capability information is added.. .
Ntt Docomo, Inc.

Pucch resource allocation for carrier aggregation in lte-advanced

Systems and methods of signaling uplink control information in a mobile communication network using carrier aggregation are provided. In one exemplary embodiment, a method may include scheduling downlink transmissions to a first user terminal on a single downlink component carrier (cc) associated with a primary cell and scheduling downlink transmissions to a second user terminal on multiple downlink ccs or on a downlink cc associated with a non-primary cell.
Telefonaktiebolaget Lm Ericsson (publ)

Method for reporting channel state information on transmission opportunity duration in wireless access system supporting unlicensed band, and device supporting same

The present invention relates to a wireless access system supporting an unlicensed band and provides a method for reporting channel state information (csi) on a transmission opportunity (txop) duration, and devices supporting the same. According to one embodiment of the present invention, a method by which a user equipment (ue) reports csi of a txop duration in a wireless access system supporting carrier aggregation (ca) with the unlicensed band comprises the steps of: receiving csi interference measurement (csi-im) configuration information related to the txop duration through a primary cell (pcell); measuring an interference amount in subframes of a secondary cell (scell), in which csi-im is set, on the basis of the csi-im configuration information; measuring csi of the txop duration for the scell by using the interference amount; and transmitting the csi to a base station, wherein the pcell can be a serving cell configured in a licensed band, and the scell can be a serving cell configured in the unlicensed band..
Lg Electronics Inc.

Enabling radio frequency multiplexing in a wireless system

A communication device comprises a set of filters that are selectively coupled to different groups of front end ports and an antenna port to form a diplexer, a single filter or a no filter connection for transmission and reception of different data signals. A processor operates to selectively determine or combine filters and couple them to the front end ports and the antenna port based on an operational mode and a frequency separation of signals operating in different frequency ranges of different operating bands.
Intel Ip Corporation

Apparatus for uplink multi-antenna communication based on a hybrid coupler and a tunable phase shifter

Embodiments of front-end module (fem) circuitry and a communication device are generally described herein. In some embodiments, the fem circuitry may be configured to provide uplink (ul) multiple-input multiple-output (mimo) signals and/or ul carrier aggregation (ca) signals for transmission by the communication device.

Apparatus and performing uplink power control in wireless communication system supporting carrier aggregation

A method of an apparatus controls transmit power of uplink channels in a wireless communication system. The method includes configuring, for a ue, a primary serving cell on which a first uplink control channel is transmitted from the ue, configuring, for the ue, a secondary serving cell on which a second uplink control channel is transmitted from the ue, configuring a first tpc command and a second tpc command in a single tpc command group, the first tpc command being associated with transmit power of the uplink control information of the primary serving cell, the second tpc command being associated with transmit power of the uplink control information of the secondary serving cell, scrambling downlink control information based on an identifier associated with a tpc, the downlink control information comprising the single tpc command group; transmitting, to the ue, a downlink control channel comprising the scrambled downlink control information..
Innovative Technology Lab Co., Ltd.

Methods, network node, and user equipment related to channel spacing

It is presented a method for obtaining a capability of channel spacing between component carriers used in carrier aggregation for a user equipment, ue. The method is performed in a network node and comprises the step of: determining, from a plurality of alternatives, the capability of channel spacing for the ue based on signalling between the ue and the network node, the channel spacing capability comprising at least one of the alternatives of: a multiple of 300 khz, a multiple of 15 khz and any other channel spacing.
Telefonaktiebolaget Lm Ericsson (publ)

Method for transmitting and receiving signal by aggregating three downlink carriers and two uplink carriers

When a terminal aggregates three downlink carriers by using the carrier aggregation (ca) of the lte-a technology and transmits an uplink signal on two uplink carriers while aggregating two uplink carriers, a harmonic component and an intermodulation distortion (imd) component are generated, thereby influencing a downlink band of the terminal itself. Therefore, the present specification presents a scheme therefor..
Lg Electronics Inc.

Filter module supporting carrier aggregation and electronic device including the same

A filter module supporting a carrier aggregation (ca) and an electronic device including the same. The electronic device supporting a carrier aggregation may include one or more antennas and a first filter module configured to send or receive signals to and from the first antenna of the one or more antennas.
Wisol Co., Ltd.

Opportunistic antenna switch diversity (asdiv) in carrier aggregation

Aspects of the present disclosure relate to techniques for switching antennas in devices that have multiple antennas for communicating via aggregation of multiple carriers.. .
Qualcomm Incorporated

Method, 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

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

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

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

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

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

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

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

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

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.



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


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    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.


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